├── .gitignore ├── LICENSE ├── Makefile ├── README.md ├── font ├── Inconsolata-Bold.ttf ├── Inconsolata-Regular.ttf └── OFL.txt ├── main.c ├── stb_image_write.h └── stb_truetype.h /.gitignore: -------------------------------------------------------------------------------- 1 | *.png 2 | font-rasterizer 3 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2020 Georgi Gerganov 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | font-rasterizer: main.c stb_image_write.h stb_truetype.h 2 | gcc main.c -o $@ -lm 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # font-rasterizer 2 | Simple TTF rasterizer 3 | 4 | ```bash 5 | git clone https://github.com/ggerganov/font-rasterizer 6 | cd font-rasterizer 7 | make 8 | ./font-rasterizer ./font/Inconsolata-Regular.ttf 16 9 | ``` 10 | 11 | Output: 12 | ```c 13 | static const int FONT_SIZE_X = 7; 14 | static const int FONT_SIZE_Y = 16; 15 | 16 | static const unsigned char kFontRaster[128][FONT_SIZE_Y*FONT_SIZE_X] = { 17 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0000 18 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0001 19 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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0, 0, 0, 0, 12, 96, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 63, 203, 83, 0, 0, 0, 0, 105, 255, 191, 0, 0, 0, 0, 7, 242, 128, 0, 0, 0, 0, 139, 214, 14, 0, 0, 0, 0, 44, 38, 0, 0, 0, 0, 0, }, // U+0059 77 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 142, 0, 0, 0, 14, 128, 242, 231, 0, 8, 114, 235, 234, 116, 10, 67, 226, 237, 122, 12, 0, 0, 84, 246, 214, 72, 0, 0, 0, 0, 32, 173, 255, 184, 44, 0, 0, 0, 0, 67, 212, 252, 152, 0, 0, 0, 0, 4, 110, 239, 0, 0, 0, 0, 0, 0, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0060 78 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 95, 255, 255, 255, 255, 255, 255, 28, 75, 75, 75, 75, 75, 75, 18, 49, 49, 49, 49, 49, 49, 95, 255, 255, 255, 255, 255, 255, 10, 26, 26, 26, 26, 26, 26, 40, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0061 79 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 82, 101, 4, 0, 0, 0, 0, 79, 249, 218, 88, 2, 0, 0, 0, 32, 156, 251, 208, 75, 0, 0, 0, 0, 36, 161, 252, 196, 0, 0, 0, 6, 114, 241, 226, 0, 0, 81, 219, 247, 131, 11, 39, 192, 255, 175, 34, 0, 0, 111, 214, 69, 0, 0, 0, 0, 31, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0062 80 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 29, 0, 0, 0, 48, 216, 255, 255, 192, 15, 6, 220, 156, 44, 81, 249, 140, 0, 40, 5, 0, 0, 200, 187, 0, 0, 0, 0, 45, 249, 126, 0, 0, 0, 24, 225, 180, 6, 0, 0, 0, 150, 233, 11, 0, 0, 0, 0, 197, 189, 0, 0, 0, 0, 0, 35, 33, 0, 0, 0, 0, 0, 159, 161, 0, 0, 0, 0, 1, 228, 229, 1, 0, 0, 0, 0, 18, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0063 81 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 141, 150, 41, 0, 0, 71, 249, 173, 158, 246, 108, 19, 240, 138, 0, 0, 134, 191, 73, 254, 16, 72, 153, 224, 249, 124, 228, 23, 248, 154, 118, 255, 140, 218, 108, 253, 9, 92, 255, 90, 253, 68, 252, 189, 228, 255, 39, 255, 103, 68, 143, 93, 131, 0, 146, 247, 99, 28, 95, 64, 0, 3, 151, 237, 255, 253, 133, 0, 0, 0, 3, 42, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0064 82 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 98, 52, 0, 0, 0, 0, 12, 246, 167, 0, 0, 0, 0, 89, 255, 243, 9, 0, 0, 0, 174, 210, 254, 82, 0, 0, 13, 246, 117, 207, 168, 0, 0, 89, 255, 45, 137, 243, 10, 0, 174, 253, 164, 196, 255, 83, 13, 246, 201, 138, 138, 244, 168, 89, 255, 84, 0, 0, 181, 243, 174, 251, 16, 0, 0, 110, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0065 83 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50, 129, 129, 120, 60, 5, 0, 99, 255, 241, 240, 255, 242, 39, 99, 255, 81, 0, 55, 252, 155, 99, 255, 81, 0, 41, 252, 169, 99, 255, 219, 215, 253, 234, 41, 99, 255, 184, 163, 229, 251, 99, 99, 255, 81, 0, 3, 222, 246, 99, 255, 81, 0, 0, 192, 247, 99, 255, 160, 119, 169, 254, 153, 99, 255, 255, 246, 185, 117, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0066 84 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 133, 170, 100, 14, 0, 59, 246, 250, 185, 241, 183, 8, 236, 218, 41, 0, 52, 215, 53, 255, 142, 0, 0, 0, 2, 103, 255, 91, 0, 0, 0, 0, 130, 255, 66, 0, 0, 0, 0, 88, 255, 99, 0, 0, 0, 0, 43, 255, 178, 0, 0, 27, 39, 2, 180, 255, 124, 77, 233, 239, 0, 15, 192, 253, 255, 236, 78, 0, 0, 0, 22, 47, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0067 85 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 129, 129, 112, 69, 8, 0, 84, 255, 241, 252, 255, 201, 23, 84, 255, 85, 34, 150, 255, 121, 84, 255, 85, 0, 0, 229, 193, 84, 255, 85, 0, 0, 168, 250, 84, 255, 85, 0, 0, 133, 255, 84, 255, 85, 0, 0, 192, 255, 84, 255, 85, 0, 20, 249, 222, 84, 255, 143, 151, 243, 254, 88, 84, 255, 255, 233, 191, 70, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0068 86 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 129, 129, 129, 129, 129, 129, 37, 255, 250, 246, 246, 246, 246, 37, 255, 132, 0, 0, 0, 0, 37, 255, 132, 0, 0, 0, 0, 37, 255, 217, 176, 176, 176, 48, 37, 255, 231, 206, 206, 206, 56, 37, 255, 132, 0, 0, 0, 0, 37, 255, 132, 0, 0, 0, 0, 37, 255, 189, 119, 119, 119, 119, 37, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0069 87 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 124, 129, 129, 129, 129, 121, 0, 246, 252, 242, 242, 242, 228, 0, 246, 191, 0, 0, 0, 0, 0, 246, 191, 0, 0, 0, 0, 0, 246, 244, 210, 210, 210, 27, 0, 246, 230, 154, 154, 154, 20, 0, 246, 191, 0, 0, 0, 0, 0, 246, 191, 0, 0, 0, 0, 0, 246, 191, 0, 0, 0, 0, 0, 246, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0070 88 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 69, 150, 162, 87, 1, 0, 97, 254, 228, 206, 255, 141, 39, 252, 193, 3, 0, 137, 177, 98, 255, 67, 0, 0, 9, 5, 152, 255, 27, 0, 0, 0, 0, 178, 255, 16, 29, 205, 205, 205, 137, 255, 50, 23, 163, 211, 255, 92, 255, 131, 0, 0, 134, 255, 7, 205, 246, 109, 75, 195, 255, 0, 35, 200, 253, 255, 249, 137, 0, 0, 0, 24, 53, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0071 89 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 129, 62, 0, 0, 101, 128, 88, 255, 106, 0, 0, 200, 248, 88, 255, 105, 0, 0, 200, 248, 88, 255, 105, 0, 0, 200, 248, 88, 255, 202, 165, 165, 236, 248, 88, 255, 222, 198, 198, 243, 248, 88, 255, 105, 0, 0, 200, 248, 88, 255, 105, 0, 0, 200, 248, 88, 255, 105, 0, 0, 200, 248, 88, 255, 105, 0, 0, 200, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0072 90 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 102, 129, 129, 129, 129, 66, 0, 186, 235, 255, 248, 234, 119, 0, 0, 11, 255, 171, 0, 0, 0, 0, 11, 255, 171, 0, 0, 0, 0, 11, 255, 171, 0, 0, 0, 0, 11, 255, 171, 0, 0, 0, 0, 11, 255, 171, 0, 0, 0, 0, 11, 255, 171, 0, 0, 0, 93, 112, 255, 205, 102, 60, 0, 225, 255, 255, 255, 255, 151, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0073 91 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 107, 129, 129, 129, 129, 0, 0, 195, 236, 255, 248, 234, 0, 0, 0, 17, 255, 165, 0, 0, 0, 0, 17, 255, 165, 0, 0, 0, 0, 17, 255, 165, 0, 0, 0, 0, 17, 255, 165, 0, 0, 0, 0, 18, 255, 165, 0, 0, 10, 0, 37, 255, 136, 0, 66, 213, 76, 158, 255, 83, 0, 33, 212, 255, 255, 164, 2, 0, 0, 1, 40, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0074 92 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 129, 62, 0, 0, 97, 134, 88, 255, 106, 0, 84, 253, 177, 88, 255, 105, 56, 246, 201, 10, 88, 255, 139, 233, 221, 22, 0, 88, 255, 253, 255, 62, 0, 0, 88, 255, 233, 255, 176, 0, 0, 88, 255, 107, 164, 255, 93, 0, 88, 255, 105, 21, 235, 238, 27, 88, 255, 105, 0, 92, 255, 182, 88, 255, 105, 0, 0, 184, 255, 0, 0, 0, 0, 0, 6, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0075 93 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 129, 97, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 174, 0, 0, 0, 0, 18, 255, 209, 112, 112, 112, 112, 18, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0076 94 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 70, 129, 45, 0, 0, 86, 132, 139, 255, 157, 0, 3, 230, 255, 139, 255, 240, 8, 69, 255, 255, 139, 251, 222, 85, 159, 217, 255, 139, 250, 133, 185, 241, 123, 255, 139, 250, 42, 255, 213, 71, 255, 139, 250, 0, 152, 92, 71, 255, 139, 250, 0, 0, 0, 71, 255, 139, 250, 0, 0, 0, 71, 255, 139, 250, 0, 0, 0, 71, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0077 95 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65, 129, 89, 0, 0, 51, 129, 130, 255, 244, 17, 0, 102, 255, 130, 255, 253, 119, 0, 102, 255, 130, 255, 176, 227, 5, 102, 255, 130, 255, 62, 255, 91, 102, 255, 130, 255, 7, 196, 204, 102, 255, 130, 255, 7, 81, 255, 164, 255, 130, 255, 7, 3, 219, 250, 255, 130, 255, 7, 0, 108, 255, 255, 130, 255, 7, 0, 11, 237, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0078 96 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 85, 162, 141, 58, 0, 0, 141, 255, 203, 228, 253, 69, 58, 254, 168, 0, 11, 230, 230, 119, 255, 60, 0, 0, 134, 255, 159, 255, 26, 0, 0, 99, 255, 176, 255, 17, 0, 0, 90, 255, 138, 255, 44, 0, 0, 118, 255, 98, 255, 108, 0, 0, 182, 255, 14, 221, 228, 70, 107, 254, 160, 0, 56, 219, 255, 253, 190, 13, 0, 0, 0, 41, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0079 97 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 129, 129, 129, 101, 44, 0, 61, 255, 255, 255, 255, 254, 110, 61, 255, 129, 2, 50, 229, 246, 61, 255, 128, 0, 0, 171, 255, 61, 255, 166, 76, 121, 244, 229, 61, 255, 255, 255, 254, 215, 50, 61, 255, 148, 40, 17, 0, 0, 61, 255, 128, 0, 0, 0, 0, 61, 255, 128, 0, 0, 0, 0, 61, 255, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0080 98 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 78, 160, 139, 50, 0, 0, 126, 255, 237, 247, 246, 46, 47, 251, 181, 17, 36, 247, 210, 114, 255, 89, 0, 0, 165, 255, 157, 255, 39, 0, 0, 129, 255, 177, 255, 18, 0, 0, 121, 255, 144, 255, 48, 0, 0, 166, 255, 98, 255, 121, 0, 0, 214, 251, 7, 223, 240, 113, 181, 255, 141, 0, 56, 216, 255, 255, 173, 13, 0, 0, 7, 222, 213, 71, 61, 0, 0, 0, 104, 242, 255, 198, 0, 0, 0, 0, 4, 49, 44, }, // U+0081 99 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 129, 129, 126, 69, 6, 0, 73, 255, 255, 255, 255, 242, 75, 73, 255, 118, 3, 54, 244, 184, 73, 255, 117, 0, 0, 207, 247, 73, 255, 170, 99, 153, 255, 178, 73, 255, 255, 255, 255, 185, 24, 73, 255, 126, 65, 255, 146, 0, 73, 255, 117, 0, 182, 249, 34, 73, 255, 117, 0, 55, 255, 165, 73, 255, 117, 0, 0, 182, 253, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0082 100 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 104, 170, 160, 93, 1, 0, 155, 254, 188, 204, 253, 135, 7, 248, 157, 0, 0, 90, 38, 0, 213, 217, 29, 0, 0, 0, 0, 85, 245, 244, 131, 11, 0, 0, 0, 36, 191, 255, 226, 46, 0, 0, 0, 0, 87, 249, 207, 0, 48, 0, 0, 0, 205, 243, 80, 255, 195, 86, 108, 253, 185, 21, 170, 254, 255, 255, 205, 26, 0, 0, 16, 57, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0083 101 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 89, 129, 129, 129, 129, 129, 129, 173, 249, 250, 255, 253, 249, 249, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 30, 255, 160, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0084 102 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 129, 44, 0, 0, 79, 129, 111, 255, 70, 0, 0, 157, 255, 111, 255, 69, 0, 0, 157, 255, 111, 255, 69, 0, 0, 157, 255, 111, 255, 69, 0, 0, 157, 255, 111, 255, 69, 0, 0, 157, 255, 105, 255, 73, 0, 0, 161, 253, 42, 255, 117, 0, 0, 206, 197, 0, 217, 221, 93, 132, 252, 116, 0, 64, 181, 252, 236, 146, 21, 0, 0, 0, 24, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0085 103 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 99, 128, 4, 0, 0, 30, 129, 134, 255, 64, 0, 0, 113, 255, 51, 255, 139, 0, 0, 184, 238, 1, 223, 215, 0, 9, 246, 161, 0, 141, 255, 35, 72, 255, 79, 0, 58, 255, 111, 144, 243, 9, 0, 2, 229, 186, 216, 170, 0, 0, 0, 147, 251, 255, 88, 0, 0, 0, 65, 255, 248, 14, 0, 0, 0, 3, 234, 180, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0086 104 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 113, 100, 0, 0, 0, 0, 127, 201, 215, 0, 121, 108, 10, 255, 170, 238, 0, 212, 195, 26, 255, 139, 254, 17, 252, 244, 45, 255, 107, 255, 87, 223, 253, 103, 255, 76, 255, 161, 155, 213, 171, 253, 45, 255, 233, 99, 158, 237, 229, 14, 255, 255, 43, 102, 255, 198, 0, 238, 240, 2, 47, 255, 168, 0, 206, 187, 0, 3, 244, 138, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0087 105 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 66, 129, 44, 0, 0, 86, 129, 33, 248, 190, 0, 24, 245, 184, 0, 143, 255, 69, 146, 254, 54, 0, 19, 240, 213, 248, 178, 0, 0, 0, 120, 255, 254, 49, 0, 0, 0, 80, 255, 247, 27, 0, 0, 2, 210, 246, 255, 157, 0, 0, 91, 255, 122, 183, 252, 45, 6, 221, 233, 12, 49, 253, 182, 106, 255, 113, 0, 0, 166, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0088 106 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 95, 129, 22, 0, 0, 49, 129, 90, 255, 141, 0, 0, 183, 251, 2, 213, 246, 25, 44, 254, 163, 0, 85, 255, 146, 158, 254, 44, 0, 1, 208, 248, 248, 177, 0, 0, 0, 79, 255, 255, 57, 0, 0, 0, 1, 241, 224, 0, 0, 0, 0, 0, 237, 220, 0, 0, 0, 0, 0, 237, 220, 0, 0, 0, 0, 0, 237, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0089 107 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 27, 129, 129, 129, 129, 129, 129, 52, 249, 249, 249, 250, 255, 242, 0, 0, 0, 0, 100, 255, 114, 0, 0, 0, 21, 236, 211, 4, 0, 0, 0, 159, 254, 62, 0, 0, 0, 62, 254, 163, 0, 0, 0, 6, 213, 240, 24, 0, 0, 0, 120, 255, 110, 0, 0, 0, 32, 245, 247, 123, 119, 119, 122, 95, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0090 108 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 52, 52, 52, 52, 28, 0, 50, 255, 255, 255, 255, 136, 0, 50, 255, 135, 54, 54, 29, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 103, 0, 0, 0, 0, 50, 255, 255, 255, 255, 136, 0, 19, 94, 94, 94, 94, 50, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0091 109 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 9, 0, 0, 0, 0, 17, 226, 114, 0, 0, 0, 0, 0, 190, 226, 5, 0, 0, 0, 0, 72, 255, 95, 0, 0, 0, 0, 1, 207, 211, 1, 0, 0, 0, 0, 90, 255, 75, 0, 0, 0, 0, 4, 222, 193, 0, 0, 0, 0, 0, 108, 255, 55, 0, 0, 0, 0, 10, 234, 173, 0, 0, 0, 0, 0, 126, 253, 38, 0, 0, 0, 0, 19, 244, 154, 0, 0, 0, 0, 0, 102, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0092 110 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 52, 52, 52, 52, 30, 0, 41, 255, 255, 255, 255, 145, 0, 9, 54, 54, 60, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 0, 0, 0, 8, 255, 145, 0, 41, 255, 255, 255, 255, 145, 0, 15, 94, 94, 94, 94, 54, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0093 111 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 91, 28, 0, 0, 0, 0, 38, 249, 170, 0, 0, 0, 0, 184, 196, 250, 69, 0, 0, 82, 253, 44, 154, 216, 6, 0, 104, 148, 0, 31, 188, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0094 112 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 225, 225, 225, 225, 225, 225, 77, 138, 138, 138, 138, 138, 138, 0, 0, 0, 0, 0, 0, 0, }, // U+0095 113 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 91, 0, 0, 0, 0, 0, 83, 229, 8, 0, 0, 0, 0, 0, 148, 86, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0096 114 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 74, 24, 0, 0, 16, 163, 255, 255, 253, 194, 6, 8, 188, 94, 27, 117, 255, 80, 0, 0, 1, 23, 58, 245, 168, 0, 97, 231, 255, 242, 251, 189, 38, 255, 178, 25, 19, 249, 189, 62, 255, 151, 52, 162, 255, 189, 1, 179, 251, 255, 187, 238, 189, 0, 0, 19, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0097 115 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 75, 43, 0, 0, 0, 0, 61, 255, 122, 0, 0, 0, 0, 61, 255, 121, 0, 0, 0, 0, 61, 255, 121, 33, 43, 1, 0, 61, 255, 216, 253, 255, 214, 23, 61, 255, 231, 78, 126, 254, 180, 61, 255, 156, 0, 0, 213, 241, 61, 255, 130, 0, 0, 166, 255, 61, 255, 173, 0, 0, 200, 223, 61, 255, 241, 101, 124, 255, 144, 61, 254, 161, 255, 254, 180, 6, 0, 0, 0, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0098 116 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 51, 6, 0, 0, 23, 201, 254, 255, 245, 94, 2, 208, 248, 99, 58, 163, 176, 46, 255, 139, 0, 0, 4, 11, 92, 255, 93, 0, 0, 0, 0, 47, 255, 135, 0, 0, 4, 3, 2, 209, 248, 111, 78, 190, 146, 0, 23, 196, 253, 255, 239, 87, 0, 0, 0, 19, 44, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0099 117 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 66, 73, 0, 0, 0, 0, 0, 223, 223, 0, 0, 0, 0, 0, 223, 220, 0, 0, 7, 54, 12, 223, 219, 0, 76, 242, 255, 231, 242, 219, 26, 242, 217, 75, 141, 255, 218, 85, 255, 106, 0, 8, 251, 217, 126, 255, 60, 0, 0, 232, 216, 91, 255, 93, 0, 20, 255, 215, 33, 247, 222, 76, 168, 255, 214, 0, 86, 242, 255, 210, 209, 225, 0, 0, 5, 42, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0100 118 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 33, 0, 0, 0, 40, 223, 255, 255, 193, 11, 7, 224, 211, 42, 72, 249, 147, 54, 255, 162, 85, 85, 222, 210, 97, 255, 239, 234, 234, 234, 222, 54, 255, 127, 0, 0, 0, 0, 5, 223, 233, 89, 56, 173, 92, 0, 33, 209, 255, 247, 150, 33, 0, 0, 0, 25, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0101 119 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 73, 60, 0, 0, 0, 32, 222, 255, 251, 209, 0, 0, 156, 254, 62, 7, 110, 13, 31, 216, 219, 31, 30, 0, 107, 255, 255, 255, 255, 246, 0, 25, 60, 231, 213, 60, 58, 0, 0, 0, 224, 200, 0, 0, 0, 0, 0, 224, 200, 0, 0, 0, 0, 0, 224, 200, 0, 0, 0, 0, 0, 224, 200, 0, 0, 0, 0, 0, 224, 200, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0102 120 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 31, 87, 43, 9, 60, 0, 87, 251, 255, 254, 242, 243, 0, 227, 183, 16, 166, 247, 6, 5, 247, 146, 0, 126, 251, 15, 0, 154, 252, 195, 249, 166, 0, 0, 164, 179, 163, 111, 5, 0, 1, 227, 228, 164, 140, 82, 13, 0, 151, 220, 206, 227, 255, 150, 27, 254, 70, 0, 0, 201, 208, 5, 219, 232, 175, 200, 252, 100, 0, 33, 103, 149, 121, 54, 0, }, // U+0103 121 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 75, 56, 0, 0, 0, 0, 21, 255, 164, 0, 0, 0, 0, 21, 255, 162, 0, 0, 0, 0, 21, 255, 162, 13, 50, 2, 0, 21, 255, 211, 236, 255, 221, 55, 21, 255, 250, 98, 85, 255, 148, 21, 255, 184, 0, 0, 222, 216, 21, 255, 162, 0, 0, 208, 233, 21, 255, 162, 0, 0, 208, 233, 21, 255, 162, 0, 0, 208, 233, 21, 255, 162, 0, 0, 208, 233, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0104 122 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 32, 0, 0, 0, 0, 38, 255, 204, 0, 0, 0, 0, 6, 135, 81, 0, 0, 0, 17, 31, 31, 24, 0, 0, 0, 143, 255, 255, 198, 0, 0, 0, 36, 64, 242, 198, 0, 0, 0, 0, 0, 237, 198, 0, 0, 0, 0, 0, 237, 198, 0, 0, 0, 0, 0, 237, 198, 0, 0, 0, 61, 94, 244, 219, 94, 31, 0, 164, 255, 255, 255, 255, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0105 123 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 69, 23, 0, 0, 0, 0, 67, 255, 175, 0, 0, 0, 0, 15, 143, 64, 0, 0, 15, 31, 31, 31, 22, 0, 0, 124, 255, 255, 255, 180, 0, 0, 33, 67, 70, 255, 180, 0, 0, 0, 0, 4, 255, 180, 0, 0, 0, 0, 4, 255, 180, 0, 0, 0, 0, 4, 255, 180, 0, 0, 0, 0, 4, 255, 180, 0, 0, 0, 0, 6, 255, 173, 0, 6, 125, 17, 56, 255, 128, 0, 91, 255, 235, 244, 241, 45, 0, 0, 83, 156, 142, 51, 0, 0, }, // U+0106 124 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 75, 56, 0, 0, 0, 0, 21, 255, 164, 0, 0, 0, 0, 21, 255, 162, 0, 0, 0, 0, 21, 255, 162, 0, 0, 31, 21, 21, 255, 162, 0, 90, 252, 183, 21, 255, 162, 93, 252, 176, 7, 21, 255, 225, 252, 185, 5, 0, 21, 255, 255, 244, 233, 27, 0, 21, 255, 177, 69, 253, 194, 4, 21, 255, 162, 0, 140, 255, 136, 21, 255, 162, 0, 6, 205, 254, 0, 0, 0, 0, 0, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0107 125 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 66, 75, 75, 53, 0, 0, 0, 225, 255, 255, 179, 0, 0, 0, 7, 15, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 0, 7, 255, 179, 0, 0, 0, 81, 88, 255, 203, 83, 53, 0, 250, 255, 255, 255, 255, 162, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0108 126 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 49, 48, 83, 5, 83, 35, 130, 252, 246, 255, 215, 253, 251, 130, 255, 51, 248, 207, 98, 255, 130, 255, 8, 230, 173, 75, 255, 130, 255, 7, 230, 171, 75, 255, 130, 255, 7, 230, 171, 75, 255, 130, 255, 7, 230, 171, 75, 255, 130, 255, 7, 230, 171, 75, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0109 127 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 31, 20, 11, 52, 5, 0, 21, 255, 211, 234, 255, 226, 56, 21, 255, 236, 71, 93, 255, 147, 21, 255, 168, 0, 0, 223, 213, 21, 255, 162, 0, 0, 208, 229, 21, 255, 162, 0, 0, 208, 229, 21, 255, 162, 0, 0, 208, 229, 21, 255, 162, 0, 0, 208, 229, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0110 128 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 44, 23, 0, 0, 0, 49, 226, 255, 253, 180, 9, 19, 232, 216, 54, 91, 251, 164, 85, 255, 92, 0, 0, 171, 246, 128, 255, 60, 0, 0, 140, 255, 82, 255, 96, 0, 0, 178, 245, 19, 230, 221, 65, 104, 253, 162, 0, 48, 221, 255, 252, 176, 8, 0, 0, 0, 37, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0111 129 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 31, 15, 23, 50, 2, 0, 44, 255, 189, 249, 255, 225, 31, 44, 255, 248, 113, 99, 243, 194, 43, 255, 194, 0, 0, 178, 250, 43, 255, 153, 0, 0, 141, 255, 42, 255, 193, 0, 0, 177, 249, 42, 255, 247, 107, 104, 253, 189, 42, 255, 193, 243, 255, 216, 26, 41, 255, 140, 13, 38, 0, 0, 41, 255, 140, 0, 0, 0, 0, 22, 140, 76, 0, 0, 0, 0, }, // U+0112 130 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 54, 13, 26, 25, 0, 90, 244, 255, 234, 238, 208, 34, 247, 204, 56, 161, 255, 208, 96, 255, 80, 0, 31, 255, 208, 130, 255, 54, 0, 1, 247, 208, 87, 255, 97, 0, 36, 255, 208, 24, 238, 226, 84, 181, 255, 208, 0, 73, 236, 255, 224, 242, 208, 0, 0, 4, 46, 8, 227, 208, 0, 0, 0, 0, 0, 227, 208, 0, 0, 0, 0, 0, 124, 114, }, // U+0113 131 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 20, 31, 4, 28, 53, 7, 0, 164, 255, 156, 255, 255, 219, 8, 164, 255, 220, 79, 83, 151, 0, 164, 255, 68, 0, 0, 3, 0, 164, 255, 24, 0, 0, 0, 0, 164, 255, 21, 0, 0, 0, 0, 164, 255, 21, 0, 0, 0, 0, 164, 255, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0114 132 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 51, 43, 4, 0, 0, 61, 235, 255, 255, 228, 68, 0, 185, 246, 51, 57, 185, 58, 0, 130, 255, 164, 64, 5, 0, 0, 12, 120, 224, 255, 218, 54, 0, 16, 0, 3, 71, 235, 192, 15, 227, 126, 58, 59, 231, 168, 9, 137, 250, 255, 255, 210, 32, 0, 0, 6, 42, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0115 133 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 0, 0, 0, 0, 100, 241, 74, 0, 0, 4, 31, 148, 255, 68, 31, 10, 40, 255, 255, 255, 255, 255, 77, 11, 67, 190, 255, 80, 67, 20, 0, 0, 180, 252, 2, 0, 0, 0, 0, 194, 236, 0, 0, 0, 0, 0, 188, 244, 2, 0, 0, 0, 0, 125, 255, 102, 85, 143, 0, 0, 43, 213, 255, 252, 144, 0, 0, 0, 0, 38, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0116 134 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 31, 14, 0, 0, 31, 22, 57, 255, 117, 0, 0, 254, 185, 57, 255, 117, 0, 0, 254, 185, 57, 255, 117, 0, 0, 254, 185, 57, 255, 117, 0, 0, 254, 185, 42, 255, 130, 0, 19, 255, 185, 1, 232, 206, 49, 157, 255, 185, 0, 127, 248, 255, 179, 232, 198, 0, 0, 20, 50, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0117 135 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 31, 3, 0, 0, 16, 30, 98, 255, 74, 0, 0, 154, 222, 13, 243, 161, 0, 0, 206, 156, 0, 159, 240, 8, 33, 254, 64, 0, 63, 255, 80, 130, 220, 1, 0, 1, 220, 170, 227, 120, 0, 0, 0, 124, 254, 250, 24, 0, 0, 0, 29, 253, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0118 136 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 27, 25, 0, 0, 0, 5, 31, 195, 227, 0, 48, 38, 47, 255, 146, 254, 10, 195, 165, 57, 255, 98, 255, 49, 245, 226, 71, 255, 50, 255, 128, 210, 246, 130, 243, 7, 250, 218, 148, 192, 219, 200, 0, 208, 255, 91, 132, 255, 155, 0, 160, 255, 34, 72, 255, 111, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0119 137 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 31, 11, 0, 0, 27, 30, 47, 249, 184, 0, 54, 253, 155, 0, 119, 255, 93, 203, 227, 15, 0, 3, 195, 250, 255, 75, 0, 0, 0, 87, 255, 231, 8, 0, 0, 13, 222, 229, 254, 143, 0, 0, 153, 254, 63, 156, 253, 67, 72, 254, 162, 0, 17, 230, 227, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0120 138 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 31, 5, 0, 0, 22, 28, 75, 255, 92, 0, 0, 190, 212, 4, 229, 183, 0, 2, 234, 155, 0, 136, 251, 23, 55, 255, 71, 0, 40, 255, 110, 147, 232, 4, 0, 0, 197, 205, 234, 143, 0, 0, 0, 100, 255, 255, 50, 0, 0, 0, 14, 245, 213, 0, 0, 16, 0, 41, 250, 112, 0, 0, 159, 192, 232, 211, 5, 0, 0, 57, 158, 127, 31, 0, 0, 0, }, // U+0121 139 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 31, 31, 31, 31, 31, 20, 14, 255, 255, 255, 255, 255, 162, 4, 83, 83, 88, 235, 249, 57, 0, 0, 0, 151, 255, 104, 0, 0, 0, 100, 255, 157, 0, 0, 0, 56, 248, 203, 8, 0, 0, 25, 229, 255, 142, 112, 112, 120, 88, 255, 255, 255, 255, 255, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0122 140 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 63, 145, 184, 39, 0, 0, 100, 255, 195, 168, 36, 0, 0, 192, 217, 0, 0, 0, 0, 0, 238, 196, 0, 0, 0, 0, 1, 240, 184, 0, 0, 0, 38, 127, 255, 104, 0, 0, 0, 118, 255, 229, 10, 0, 0, 0, 5, 61, 255, 129, 0, 0, 0, 0, 0, 246, 183, 0, 0, 0, 0, 0, 246, 192, 0, 0, 0, 0, 0, 201, 244, 33, 0, 0, 0, 0, 87, 248, 254, 235, 45, 0, 0, 0, 32, 80, 107, 21, }, // U+0123 141 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 154, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 255, 163, 0, 0, 0, 0, 0, 77, 49, 0, 0, 0, 0, 0, }, // U+0124 142 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 184, 148, 66, 4, 0, 0, 28, 168, 192, 254, 111, 0, 0, 0, 0, 0, 206, 204, 0, 0, 0, 0, 0, 184, 249, 0, 0, 0, 0, 0, 173, 249, 4, 0, 0, 0, 0, 94, 255, 134, 42, 0, 0, 0, 6, 220, 255, 130, 0, 0, 0, 117, 255, 73, 6, 0, 0, 0, 172, 255, 3, 0, 0, 0, 0, 180, 253, 5, 0, 0, 0, 29, 236, 213, 0, 0, 34, 235, 254, 250, 97, 0, 0, 16, 108, 81, 35, 0, 0, 0, }, // U+0125 143 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 103, 80, 2, 1, 32, 9, 216, 235, 247, 208, 187, 203, 0, 100, 2, 26, 151, 171, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0126 144 | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, // U+0127 145 | }; 146 | ``` 147 | -------------------------------------------------------------------------------- /font/Inconsolata-Bold.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ggerganov/font-rasterizer/f4c882f43c49440bf9682909c48cd53766ad3e65/font/Inconsolata-Bold.ttf -------------------------------------------------------------------------------- /font/Inconsolata-Regular.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ggerganov/font-rasterizer/f4c882f43c49440bf9682909c48cd53766ad3e65/font/Inconsolata-Regular.ttf -------------------------------------------------------------------------------- /font/OFL.txt: -------------------------------------------------------------------------------- 1 | Copyright 2006 The Inconsolata Project Authors 2 | 3 | This Font Software is licensed under the SIL Open Font License, Version 1.1. 4 | This license is copied below, and is also available with a FAQ at: 5 | http://scripts.sil.org/OFL 6 | 7 | 8 | ----------------------------------------------------------- 9 | SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007 10 | ----------------------------------------------------------- 11 | 12 | PREAMBLE 13 | The goals of the Open Font License (OFL) are to stimulate worldwide 14 | development of collaborative font projects, to support the font creation 15 | efforts of academic and linguistic communities, and to provide a free and 16 | open framework in which fonts may be shared and improved in partnership 17 | with others. 18 | 19 | The OFL allows the licensed fonts to be used, studied, modified and 20 | redistributed freely as long as they are not sold by themselves. The 21 | fonts, including any derivative works, can be bundled, embedded, 22 | redistributed and/or sold with any software provided that any reserved 23 | names are not used by derivative works. The fonts and derivatives, 24 | however, cannot be released under any other type of license. The 25 | requirement for fonts to remain under this license does not apply 26 | to any document created using the fonts or their derivatives. 27 | 28 | DEFINITIONS 29 | "Font Software" refers to the set of files released by the Copyright 30 | Holder(s) under this license and clearly marked as such. This may 31 | include source files, build scripts and documentation. 32 | 33 | "Reserved Font Name" refers to any names specified as such after the 34 | copyright statement(s). 35 | 36 | "Original Version" refers to the collection of Font Software components as 37 | distributed by the Copyright Holder(s). 38 | 39 | "Modified Version" refers to any derivative made by adding to, deleting, 40 | or substituting -- in part or in whole -- any of the components of the 41 | Original Version, by changing formats or by porting the Font Software to a 42 | new environment. 43 | 44 | "Author" refers to any designer, engineer, programmer, technical 45 | writer or other person who contributed to the Font Software. 46 | 47 | PERMISSION & CONDITIONS 48 | Permission is hereby granted, free of charge, to any person obtaining 49 | a copy of the Font Software, to use, study, copy, merge, embed, modify, 50 | redistribute, and sell modified and unmodified copies of the Font 51 | Software, subject to the following conditions: 52 | 53 | 1) Neither the Font Software nor any of its individual components, 54 | in Original or Modified Versions, may be sold by itself. 55 | 56 | 2) Original or Modified Versions of the Font Software may be bundled, 57 | redistributed and/or sold with any software, provided that each copy 58 | contains the above copyright notice and this license. These can be 59 | included either as stand-alone text files, human-readable headers or 60 | in the appropriate machine-readable metadata fields within text or 61 | binary files as long as those fields can be easily viewed by the user. 62 | 63 | 3) No Modified Version of the Font Software may use the Reserved Font 64 | Name(s) unless explicit written permission is granted by the corresponding 65 | Copyright Holder. This restriction only applies to the primary font name as 66 | presented to the users. 67 | 68 | 4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font 69 | Software shall not be used to promote, endorse or advertise any 70 | Modified Version, except to acknowledge the contribution(s) of the 71 | Copyright Holder(s) and the Author(s) or with their explicit written 72 | permission. 73 | 74 | 5) The Font Software, modified or unmodified, in part or in whole, 75 | must be distributed entirely under this license, and must not be 76 | distributed under any other license. The requirement for fonts to 77 | remain under this license does not apply to any document created 78 | using the Font Software. 79 | 80 | TERMINATION 81 | This license becomes null and void if any of the above conditions are 82 | not met. 83 | 84 | DISCLAIMER 85 | THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 86 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF 87 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 88 | OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE 89 | COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 90 | INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 91 | DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 92 | FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM 93 | OTHER DEALINGS IN THE FONT SOFTWARE. 94 | -------------------------------------------------------------------------------- /main.c: -------------------------------------------------------------------------------- 1 | /* thanks to : https://github.com/justinmeiners/stb-truetype-example */ 2 | 3 | #include 4 | #include 5 | 6 | #define STB_IMAGE_WRITE_IMPLEMENTATION 7 | #include "stb_image_write.h" /* http://nothings.org/stb/stb_image_write.h */ 8 | 9 | #define STB_TRUETYPE_IMPLEMENTATION 10 | #include "stb_truetype.h" /* http://nothings.org/stb/stb_truetype.h */ 11 | 12 | int main(int argc, const char * argv[]) { 13 | if (argc < 3) { 14 | printf("usage: %s font.ttf height [width]\n", argv[0]); 15 | printf("\n"); 16 | printf(" rasterizes the provided ttf font into cells with specified height in pixels\n"); 17 | printf(" if width is provided, it overrides the auto detected value\n"); 18 | printf(" the generated raster data is printed on the standard output\n"); 19 | return -1; 20 | } 21 | 22 | const char * fontFName = argv[1]; 23 | int height = atoi(argv[2]); 24 | int width = argc > 3 ? atoi(argv[3]) : 0; 25 | 26 | unsigned char* fontBuffer; 27 | 28 | /* load font file */ 29 | { 30 | long size; 31 | FILE* fontFile = fopen(argv[1], "rb"); 32 | fseek(fontFile, 0, SEEK_END); 33 | size = ftell(fontFile); 34 | fseek(fontFile, 0, SEEK_SET); 35 | 36 | fontBuffer = malloc(size); 37 | 38 | fread(fontBuffer, size, 1, fontFile); 39 | fclose(fontFile); 40 | } 41 | 42 | /* prepare font */ 43 | stbtt_fontinfo info; 44 | if (!stbtt_InitFont(&info, fontBuffer, 0)) { 45 | printf("failed to load ttf font\n"); 46 | return -2; 47 | } 48 | 49 | int b_w = 0; /* bitmap width */ 50 | int b_h = height; /* bitmap height */ 51 | int c_w = width; /* char width */ 52 | int c_h = height; /* char height */ 53 | 54 | /* calculate font scaling */ 55 | float scale = stbtt_ScaleForPixelHeight(&info, c_h); 56 | 57 | if (c_w == 0) { 58 | /* determine max char width */ 59 | for (unsigned char ch = 0; ch < 128; ++ch) { 60 | int ax; 61 | int lsb; 62 | stbtt_GetCodepointHMetrics(&info, ch, &ax, &lsb); 63 | if (c_w < ax*scale) { 64 | c_w = ax*scale; 65 | } 66 | } 67 | } 68 | 69 | b_w = 128*c_w; 70 | 71 | /* create a bitmap for the phrase */ 72 | unsigned char* bitmap = calloc(b_w*b_h, sizeof(unsigned char)); 73 | 74 | int x = 0, maxx = 0; 75 | int ascent, descent, lineGap; 76 | stbtt_GetFontVMetrics(&info, &ascent, &descent, &lineGap); 77 | 78 | ascent *= scale; 79 | descent *= scale; 80 | 81 | /* begin C constants output */ 82 | printf("static const int FONT_SIZE_X = %d;\n", c_w); 83 | printf("static const int FONT_SIZE_Y = %d;\n\n", c_h); 84 | printf("static const unsigned char kFontRaster[128][FONT_SIZE_Y*FONT_SIZE_X] = {\n"); 85 | 86 | for (unsigned char ch = 0; ch < 128; ++ch) { 87 | /* how wide is this character */ 88 | int ax; 89 | int lsb; 90 | stbtt_GetCodepointHMetrics(&info, ch, &ax, &lsb); 91 | 92 | /* get bounding box for character (may be offset to account for chars that dip above or below the line */ 93 | int c_x1, c_y1, c_x2, c_y2; 94 | stbtt_GetCodepointBitmapBox(&info, ch, scale, scale, &c_x1, &c_y1, &c_x2, &c_y2); 95 | 96 | /* compute y (different characters have different heights */ 97 | int y = ascent + c_y1; 98 | if (y < 0) y = 0; 99 | 100 | /* render character (stride and offset is important here) */ 101 | int byteOffset = x + (lsb*scale) + (y*b_w); 102 | stbtt_MakeCodepointBitmap(&info, bitmap + byteOffset, c_x2 - c_x1, c_y2 - c_y1, b_w, scale, scale, ch); 103 | 104 | /* output C array data */ 105 | printf(" {"); 106 | for (int yy = 0; yy < c_h; ++yy) { 107 | for (int xx = 0; xx < c_w; ++xx) { 108 | int v = bitmap[byteOffset + (yy - y)*b_w + xx]; 109 | printf(" %3d,", v); 110 | if (v > 0 && xx > maxx) { 111 | maxx = xx; 112 | } 113 | } 114 | } 115 | printf(" }, // U+%04d\n", ch); 116 | 117 | /* advance x */ 118 | //x += ax*scale; // use true character width 119 | x += c_w; // force mono-space width 120 | 121 | /* add kerning */ 122 | if (ch < 127) { 123 | int kern; 124 | kern = stbtt_GetCodepointKernAdvance(&info, ch, ch + 1); 125 | x += kern*scale; 126 | } 127 | } 128 | 129 | printf("};\n"); 130 | 131 | if (maxx + 1 < c_w) { 132 | printf("// warning : max character width was %d. consider lowering the width parameter to this value\n", maxx + 1); 133 | } 134 | 135 | /* save out a 1 channel image */ 136 | { 137 | char tmp[128]; 138 | snprintf(tmp, 128, "raster-h%d.png", c_h); 139 | stbi_write_png(tmp, b_w, b_h, 1, bitmap, b_w); 140 | } 141 | 142 | free(fontBuffer); 143 | free(bitmap); 144 | 145 | return 0; 146 | } 147 | -------------------------------------------------------------------------------- /stb_image_write.h: -------------------------------------------------------------------------------- 1 | /* stb_image_write - v1.13 - public domain - http://nothings.org/stb/stb_image_write.h 2 | writes out PNG/BMP/TGA/JPEG/HDR images to C stdio - Sean Barrett 2010-2015 3 | no warranty implied; use at your own risk 4 | 5 | Before #including, 6 | 7 | #define STB_IMAGE_WRITE_IMPLEMENTATION 8 | 9 | in the file that you want to have the implementation. 10 | 11 | Will probably not work correctly with strict-aliasing optimizations. 12 | 13 | ABOUT: 14 | 15 | This header file is a library for writing images to C stdio or a callback. 16 | 17 | The PNG output is not optimal; it is 20-50% larger than the file 18 | written by a decent optimizing implementation; though providing a custom 19 | zlib compress function (see STBIW_ZLIB_COMPRESS) can mitigate that. 20 | This library is designed for source code compactness and simplicity, 21 | not optimal image file size or run-time performance. 22 | 23 | BUILDING: 24 | 25 | You can #define STBIW_ASSERT(x) before the #include to avoid using assert.h. 26 | You can #define STBIW_MALLOC(), STBIW_REALLOC(), and STBIW_FREE() to replace 27 | malloc,realloc,free. 28 | You can #define STBIW_MEMMOVE() to replace memmove() 29 | You can #define STBIW_ZLIB_COMPRESS to use a custom zlib-style compress function 30 | for PNG compression (instead of the builtin one), it must have the following signature: 31 | unsigned char * my_compress(unsigned char *data, int data_len, int *out_len, int quality); 32 | The returned data will be freed with STBIW_FREE() (free() by default), 33 | so it must be heap allocated with STBIW_MALLOC() (malloc() by default), 34 | 35 | UNICODE: 36 | 37 | If compiling for Windows and you wish to use Unicode filenames, compile 38 | with 39 | #define STBIW_WINDOWS_UTF8 40 | and pass utf8-encoded filenames. Call stbiw_convert_wchar_to_utf8 to convert 41 | Windows wchar_t filenames to utf8. 42 | 43 | USAGE: 44 | 45 | There are five functions, one for each image file format: 46 | 47 | int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes); 48 | int stbi_write_bmp(char const *filename, int w, int h, int comp, const void *data); 49 | int stbi_write_tga(char const *filename, int w, int h, int comp, const void *data); 50 | int stbi_write_jpg(char const *filename, int w, int h, int comp, const void *data, int quality); 51 | int stbi_write_hdr(char const *filename, int w, int h, int comp, const float *data); 52 | 53 | void stbi_flip_vertically_on_write(int flag); // flag is non-zero to flip data vertically 54 | 55 | There are also five equivalent functions that use an arbitrary write function. You are 56 | expected to open/close your file-equivalent before and after calling these: 57 | 58 | int stbi_write_png_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data, int stride_in_bytes); 59 | int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); 60 | int stbi_write_tga_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); 61 | int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const float *data); 62 | int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality); 63 | 64 | where the callback is: 65 | void stbi_write_func(void *context, void *data, int size); 66 | 67 | You can configure it with these global variables: 68 | int stbi_write_tga_with_rle; // defaults to true; set to 0 to disable RLE 69 | int stbi_write_png_compression_level; // defaults to 8; set to higher for more compression 70 | int stbi_write_force_png_filter; // defaults to -1; set to 0..5 to force a filter mode 71 | 72 | 73 | You can define STBI_WRITE_NO_STDIO to disable the file variant of these 74 | functions, so the library will not use stdio.h at all. However, this will 75 | also disable HDR writing, because it requires stdio for formatted output. 76 | 77 | Each function returns 0 on failure and non-0 on success. 78 | 79 | The functions create an image file defined by the parameters. The image 80 | is a rectangle of pixels stored from left-to-right, top-to-bottom. 81 | Each pixel contains 'comp' channels of data stored interleaved with 8-bits 82 | per channel, in the following order: 1=Y, 2=YA, 3=RGB, 4=RGBA. (Y is 83 | monochrome color.) The rectangle is 'w' pixels wide and 'h' pixels tall. 84 | The *data pointer points to the first byte of the top-left-most pixel. 85 | For PNG, "stride_in_bytes" is the distance in bytes from the first byte of 86 | a row of pixels to the first byte of the next row of pixels. 87 | 88 | PNG creates output files with the same number of components as the input. 89 | The BMP format expands Y to RGB in the file format and does not 90 | output alpha. 91 | 92 | PNG supports writing rectangles of data even when the bytes storing rows of 93 | data are not consecutive in memory (e.g. sub-rectangles of a larger image), 94 | by supplying the stride between the beginning of adjacent rows. The other 95 | formats do not. (Thus you cannot write a native-format BMP through the BMP 96 | writer, both because it is in BGR order and because it may have padding 97 | at the end of the line.) 98 | 99 | PNG allows you to set the deflate compression level by setting the global 100 | variable 'stbi_write_png_compression_level' (it defaults to 8). 101 | 102 | HDR expects linear float data. Since the format is always 32-bit rgb(e) 103 | data, alpha (if provided) is discarded, and for monochrome data it is 104 | replicated across all three channels. 105 | 106 | TGA supports RLE or non-RLE compressed data. To use non-RLE-compressed 107 | data, set the global variable 'stbi_write_tga_with_rle' to 0. 108 | 109 | JPEG does ignore alpha channels in input data; quality is between 1 and 100. 110 | Higher quality looks better but results in a bigger image. 111 | JPEG baseline (no JPEG progressive). 112 | 113 | CREDITS: 114 | 115 | 116 | Sean Barrett - PNG/BMP/TGA 117 | Baldur Karlsson - HDR 118 | Jean-Sebastien Guay - TGA monochrome 119 | Tim Kelsey - misc enhancements 120 | Alan Hickman - TGA RLE 121 | Emmanuel Julien - initial file IO callback implementation 122 | Jon Olick - original jo_jpeg.cpp code 123 | Daniel Gibson - integrate JPEG, allow external zlib 124 | Aarni Koskela - allow choosing PNG filter 125 | 126 | bugfixes: 127 | github:Chribba 128 | Guillaume Chereau 129 | github:jry2 130 | github:romigrou 131 | Sergio Gonzalez 132 | Jonas Karlsson 133 | Filip Wasil 134 | Thatcher Ulrich 135 | github:poppolopoppo 136 | Patrick Boettcher 137 | github:xeekworx 138 | Cap Petschulat 139 | Simon Rodriguez 140 | Ivan Tikhonov 141 | github:ignotion 142 | Adam Schackart 143 | 144 | LICENSE 145 | 146 | See end of file for license information. 147 | 148 | */ 149 | 150 | #ifndef INCLUDE_STB_IMAGE_WRITE_H 151 | #define INCLUDE_STB_IMAGE_WRITE_H 152 | 153 | #include 154 | 155 | // if STB_IMAGE_WRITE_STATIC causes problems, try defining STBIWDEF to 'inline' or 'static inline' 156 | #ifndef STBIWDEF 157 | #ifdef STB_IMAGE_WRITE_STATIC 158 | #define STBIWDEF static 159 | #else 160 | #ifdef __cplusplus 161 | #define STBIWDEF extern "C" 162 | #else 163 | #define STBIWDEF extern 164 | #endif 165 | #endif 166 | #endif 167 | 168 | #ifndef STB_IMAGE_WRITE_STATIC // C++ forbids static forward declarations 169 | extern int stbi_write_tga_with_rle; 170 | extern int stbi_write_png_compression_level; 171 | extern int stbi_write_force_png_filter; 172 | #endif 173 | 174 | #ifndef STBI_WRITE_NO_STDIO 175 | STBIWDEF int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes); 176 | STBIWDEF int stbi_write_bmp(char const *filename, int w, int h, int comp, const void *data); 177 | STBIWDEF int stbi_write_tga(char const *filename, int w, int h, int comp, const void *data); 178 | STBIWDEF int stbi_write_hdr(char const *filename, int w, int h, int comp, const float *data); 179 | STBIWDEF int stbi_write_jpg(char const *filename, int x, int y, int comp, const void *data, int quality); 180 | 181 | #ifdef STBI_WINDOWS_UTF8 182 | STBIWDEF int stbiw_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input); 183 | #endif 184 | #endif 185 | 186 | typedef void stbi_write_func(void *context, void *data, int size); 187 | 188 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data, int stride_in_bytes); 189 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); 190 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); 191 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const float *data); 192 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality); 193 | 194 | STBIWDEF void stbi_flip_vertically_on_write(int flip_boolean); 195 | 196 | #endif//INCLUDE_STB_IMAGE_WRITE_H 197 | 198 | #ifdef STB_IMAGE_WRITE_IMPLEMENTATION 199 | 200 | #ifdef _WIN32 201 | #ifndef _CRT_SECURE_NO_WARNINGS 202 | #define _CRT_SECURE_NO_WARNINGS 203 | #endif 204 | #ifndef _CRT_NONSTDC_NO_DEPRECATE 205 | #define _CRT_NONSTDC_NO_DEPRECATE 206 | #endif 207 | #endif 208 | 209 | #ifndef STBI_WRITE_NO_STDIO 210 | #include 211 | #endif // STBI_WRITE_NO_STDIO 212 | 213 | #include 214 | #include 215 | #include 216 | #include 217 | 218 | #if defined(STBIW_MALLOC) && defined(STBIW_FREE) && (defined(STBIW_REALLOC) || defined(STBIW_REALLOC_SIZED)) 219 | // ok 220 | #elif !defined(STBIW_MALLOC) && !defined(STBIW_FREE) && !defined(STBIW_REALLOC) && !defined(STBIW_REALLOC_SIZED) 221 | // ok 222 | #else 223 | #error "Must define all or none of STBIW_MALLOC, STBIW_FREE, and STBIW_REALLOC (or STBIW_REALLOC_SIZED)." 224 | #endif 225 | 226 | #ifndef STBIW_MALLOC 227 | #define STBIW_MALLOC(sz) malloc(sz) 228 | #define STBIW_REALLOC(p,newsz) realloc(p,newsz) 229 | #define STBIW_FREE(p) free(p) 230 | #endif 231 | 232 | #ifndef STBIW_REALLOC_SIZED 233 | #define STBIW_REALLOC_SIZED(p,oldsz,newsz) STBIW_REALLOC(p,newsz) 234 | #endif 235 | 236 | 237 | #ifndef STBIW_MEMMOVE 238 | #define STBIW_MEMMOVE(a,b,sz) memmove(a,b,sz) 239 | #endif 240 | 241 | 242 | #ifndef STBIW_ASSERT 243 | #include 244 | #define STBIW_ASSERT(x) assert(x) 245 | #endif 246 | 247 | #define STBIW_UCHAR(x) (unsigned char) ((x) & 0xff) 248 | 249 | #ifdef STB_IMAGE_WRITE_STATIC 250 | static int stbi__flip_vertically_on_write=0; 251 | static int stbi_write_png_compression_level = 8; 252 | static int stbi_write_tga_with_rle = 1; 253 | static int stbi_write_force_png_filter = -1; 254 | #else 255 | int stbi_write_png_compression_level = 8; 256 | int stbi__flip_vertically_on_write=0; 257 | int stbi_write_tga_with_rle = 1; 258 | int stbi_write_force_png_filter = -1; 259 | #endif 260 | 261 | STBIWDEF void stbi_flip_vertically_on_write(int flag) 262 | { 263 | stbi__flip_vertically_on_write = flag; 264 | } 265 | 266 | typedef struct 267 | { 268 | stbi_write_func *func; 269 | void *context; 270 | } stbi__write_context; 271 | 272 | // initialize a callback-based context 273 | static void stbi__start_write_callbacks(stbi__write_context *s, stbi_write_func *c, void *context) 274 | { 275 | s->func = c; 276 | s->context = context; 277 | } 278 | 279 | #ifndef STBI_WRITE_NO_STDIO 280 | 281 | static void stbi__stdio_write(void *context, void *data, int size) 282 | { 283 | fwrite(data,1,size,(FILE*) context); 284 | } 285 | 286 | #if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8) 287 | #ifdef __cplusplus 288 | #define STBIW_EXTERN extern "C" 289 | #else 290 | #define STBIW_EXTERN extern 291 | #endif 292 | STBIW_EXTERN __declspec(dllimport) int __stdcall MultiByteToWideChar(unsigned int cp, unsigned long flags, const char *str, int cbmb, wchar_t *widestr, int cchwide); 293 | STBIW_EXTERN __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int cp, unsigned long flags, const wchar_t *widestr, int cchwide, char *str, int cbmb, const char *defchar, int *used_default); 294 | 295 | STBIWDEF int stbiw_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input) 296 | { 297 | return WideCharToMultiByte(65001 /* UTF8 */, 0, input, -1, buffer, (int) bufferlen, NULL, NULL); 298 | } 299 | #endif 300 | 301 | static FILE *stbiw__fopen(char const *filename, char const *mode) 302 | { 303 | FILE *f; 304 | #if defined(_MSC_VER) && defined(STBI_WINDOWS_UTF8) 305 | wchar_t wMode[64]; 306 | wchar_t wFilename[1024]; 307 | if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename))) 308 | return 0; 309 | 310 | if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode))) 311 | return 0; 312 | 313 | #if _MSC_VER >= 1400 314 | if (0 != _wfopen_s(&f, wFilename, wMode)) 315 | f = 0; 316 | #else 317 | f = _wfopen(wFilename, wMode); 318 | #endif 319 | 320 | #elif defined(_MSC_VER) && _MSC_VER >= 1400 321 | if (0 != fopen_s(&f, filename, mode)) 322 | f=0; 323 | #else 324 | f = fopen(filename, mode); 325 | #endif 326 | return f; 327 | } 328 | 329 | static int stbi__start_write_file(stbi__write_context *s, const char *filename) 330 | { 331 | FILE *f = stbiw__fopen(filename, "wb"); 332 | stbi__start_write_callbacks(s, stbi__stdio_write, (void *) f); 333 | return f != NULL; 334 | } 335 | 336 | static void stbi__end_write_file(stbi__write_context *s) 337 | { 338 | fclose((FILE *)s->context); 339 | } 340 | 341 | #endif // !STBI_WRITE_NO_STDIO 342 | 343 | typedef unsigned int stbiw_uint32; 344 | typedef int stb_image_write_test[sizeof(stbiw_uint32)==4 ? 1 : -1]; 345 | 346 | static void stbiw__writefv(stbi__write_context *s, const char *fmt, va_list v) 347 | { 348 | while (*fmt) { 349 | switch (*fmt++) { 350 | case ' ': break; 351 | case '1': { unsigned char x = STBIW_UCHAR(va_arg(v, int)); 352 | s->func(s->context,&x,1); 353 | break; } 354 | case '2': { int x = va_arg(v,int); 355 | unsigned char b[2]; 356 | b[0] = STBIW_UCHAR(x); 357 | b[1] = STBIW_UCHAR(x>>8); 358 | s->func(s->context,b,2); 359 | break; } 360 | case '4': { stbiw_uint32 x = va_arg(v,int); 361 | unsigned char b[4]; 362 | b[0]=STBIW_UCHAR(x); 363 | b[1]=STBIW_UCHAR(x>>8); 364 | b[2]=STBIW_UCHAR(x>>16); 365 | b[3]=STBIW_UCHAR(x>>24); 366 | s->func(s->context,b,4); 367 | break; } 368 | default: 369 | STBIW_ASSERT(0); 370 | return; 371 | } 372 | } 373 | } 374 | 375 | static void stbiw__writef(stbi__write_context *s, const char *fmt, ...) 376 | { 377 | va_list v; 378 | va_start(v, fmt); 379 | stbiw__writefv(s, fmt, v); 380 | va_end(v); 381 | } 382 | 383 | static void stbiw__putc(stbi__write_context *s, unsigned char c) 384 | { 385 | s->func(s->context, &c, 1); 386 | } 387 | 388 | static void stbiw__write3(stbi__write_context *s, unsigned char a, unsigned char b, unsigned char c) 389 | { 390 | unsigned char arr[3]; 391 | arr[0] = a; arr[1] = b; arr[2] = c; 392 | s->func(s->context, arr, 3); 393 | } 394 | 395 | static void stbiw__write_pixel(stbi__write_context *s, int rgb_dir, int comp, int write_alpha, int expand_mono, unsigned char *d) 396 | { 397 | unsigned char bg[3] = { 255, 0, 255}, px[3]; 398 | int k; 399 | 400 | if (write_alpha < 0) 401 | s->func(s->context, &d[comp - 1], 1); 402 | 403 | switch (comp) { 404 | case 2: // 2 pixels = mono + alpha, alpha is written separately, so same as 1-channel case 405 | case 1: 406 | if (expand_mono) 407 | stbiw__write3(s, d[0], d[0], d[0]); // monochrome bmp 408 | else 409 | s->func(s->context, d, 1); // monochrome TGA 410 | break; 411 | case 4: 412 | if (!write_alpha) { 413 | // composite against pink background 414 | for (k = 0; k < 3; ++k) 415 | px[k] = bg[k] + ((d[k] - bg[k]) * d[3]) / 255; 416 | stbiw__write3(s, px[1 - rgb_dir], px[1], px[1 + rgb_dir]); 417 | break; 418 | } 419 | /* FALLTHROUGH */ 420 | case 3: 421 | stbiw__write3(s, d[1 - rgb_dir], d[1], d[1 + rgb_dir]); 422 | break; 423 | } 424 | if (write_alpha > 0) 425 | s->func(s->context, &d[comp - 1], 1); 426 | } 427 | 428 | static void stbiw__write_pixels(stbi__write_context *s, int rgb_dir, int vdir, int x, int y, int comp, void *data, int write_alpha, int scanline_pad, int expand_mono) 429 | { 430 | stbiw_uint32 zero = 0; 431 | int i,j, j_end; 432 | 433 | if (y <= 0) 434 | return; 435 | 436 | if (stbi__flip_vertically_on_write) 437 | vdir *= -1; 438 | 439 | if (vdir < 0) { 440 | j_end = -1; j = y-1; 441 | } else { 442 | j_end = y; j = 0; 443 | } 444 | 445 | for (; j != j_end; j += vdir) { 446 | for (i=0; i < x; ++i) { 447 | unsigned char *d = (unsigned char *) data + (j*x+i)*comp; 448 | stbiw__write_pixel(s, rgb_dir, comp, write_alpha, expand_mono, d); 449 | } 450 | s->func(s->context, &zero, scanline_pad); 451 | } 452 | } 453 | 454 | static int stbiw__outfile(stbi__write_context *s, int rgb_dir, int vdir, int x, int y, int comp, int expand_mono, void *data, int alpha, int pad, const char *fmt, ...) 455 | { 456 | if (y < 0 || x < 0) { 457 | return 0; 458 | } else { 459 | va_list v; 460 | va_start(v, fmt); 461 | stbiw__writefv(s, fmt, v); 462 | va_end(v); 463 | stbiw__write_pixels(s,rgb_dir,vdir,x,y,comp,data,alpha,pad, expand_mono); 464 | return 1; 465 | } 466 | } 467 | 468 | static int stbi_write_bmp_core(stbi__write_context *s, int x, int y, int comp, const void *data) 469 | { 470 | int pad = (-x*3) & 3; 471 | return stbiw__outfile(s,-1,-1,x,y,comp,1,(void *) data,0,pad, 472 | "11 4 22 4" "4 44 22 444444", 473 | 'B', 'M', 14+40+(x*3+pad)*y, 0,0, 14+40, // file header 474 | 40, x,y, 1,24, 0,0,0,0,0,0); // bitmap header 475 | } 476 | 477 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) 478 | { 479 | stbi__write_context s; 480 | stbi__start_write_callbacks(&s, func, context); 481 | return stbi_write_bmp_core(&s, x, y, comp, data); 482 | } 483 | 484 | #ifndef STBI_WRITE_NO_STDIO 485 | STBIWDEF int stbi_write_bmp(char const *filename, int x, int y, int comp, const void *data) 486 | { 487 | stbi__write_context s; 488 | if (stbi__start_write_file(&s,filename)) { 489 | int r = stbi_write_bmp_core(&s, x, y, comp, data); 490 | stbi__end_write_file(&s); 491 | return r; 492 | } else 493 | return 0; 494 | } 495 | #endif //!STBI_WRITE_NO_STDIO 496 | 497 | static int stbi_write_tga_core(stbi__write_context *s, int x, int y, int comp, void *data) 498 | { 499 | int has_alpha = (comp == 2 || comp == 4); 500 | int colorbytes = has_alpha ? comp-1 : comp; 501 | int format = colorbytes < 2 ? 3 : 2; // 3 color channels (RGB/RGBA) = 2, 1 color channel (Y/YA) = 3 502 | 503 | if (y < 0 || x < 0) 504 | return 0; 505 | 506 | if (!stbi_write_tga_with_rle) { 507 | return stbiw__outfile(s, -1, -1, x, y, comp, 0, (void *) data, has_alpha, 0, 508 | "111 221 2222 11", 0, 0, format, 0, 0, 0, 0, 0, x, y, (colorbytes + has_alpha) * 8, has_alpha * 8); 509 | } else { 510 | int i,j,k; 511 | int jend, jdir; 512 | 513 | stbiw__writef(s, "111 221 2222 11", 0,0,format+8, 0,0,0, 0,0,x,y, (colorbytes + has_alpha) * 8, has_alpha * 8); 514 | 515 | if (stbi__flip_vertically_on_write) { 516 | j = 0; 517 | jend = y; 518 | jdir = 1; 519 | } else { 520 | j = y-1; 521 | jend = -1; 522 | jdir = -1; 523 | } 524 | for (; j != jend; j += jdir) { 525 | unsigned char *row = (unsigned char *) data + j * x * comp; 526 | int len; 527 | 528 | for (i = 0; i < x; i += len) { 529 | unsigned char *begin = row + i * comp; 530 | int diff = 1; 531 | len = 1; 532 | 533 | if (i < x - 1) { 534 | ++len; 535 | diff = memcmp(begin, row + (i + 1) * comp, comp); 536 | if (diff) { 537 | const unsigned char *prev = begin; 538 | for (k = i + 2; k < x && len < 128; ++k) { 539 | if (memcmp(prev, row + k * comp, comp)) { 540 | prev += comp; 541 | ++len; 542 | } else { 543 | --len; 544 | break; 545 | } 546 | } 547 | } else { 548 | for (k = i + 2; k < x && len < 128; ++k) { 549 | if (!memcmp(begin, row + k * comp, comp)) { 550 | ++len; 551 | } else { 552 | break; 553 | } 554 | } 555 | } 556 | } 557 | 558 | if (diff) { 559 | unsigned char header = STBIW_UCHAR(len - 1); 560 | s->func(s->context, &header, 1); 561 | for (k = 0; k < len; ++k) { 562 | stbiw__write_pixel(s, -1, comp, has_alpha, 0, begin + k * comp); 563 | } 564 | } else { 565 | unsigned char header = STBIW_UCHAR(len - 129); 566 | s->func(s->context, &header, 1); 567 | stbiw__write_pixel(s, -1, comp, has_alpha, 0, begin); 568 | } 569 | } 570 | } 571 | } 572 | return 1; 573 | } 574 | 575 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) 576 | { 577 | stbi__write_context s; 578 | stbi__start_write_callbacks(&s, func, context); 579 | return stbi_write_tga_core(&s, x, y, comp, (void *) data); 580 | } 581 | 582 | #ifndef STBI_WRITE_NO_STDIO 583 | STBIWDEF int stbi_write_tga(char const *filename, int x, int y, int comp, const void *data) 584 | { 585 | stbi__write_context s; 586 | if (stbi__start_write_file(&s,filename)) { 587 | int r = stbi_write_tga_core(&s, x, y, comp, (void *) data); 588 | stbi__end_write_file(&s); 589 | return r; 590 | } else 591 | return 0; 592 | } 593 | #endif 594 | 595 | // ************************************************************************************************* 596 | // Radiance RGBE HDR writer 597 | // by Baldur Karlsson 598 | 599 | #define stbiw__max(a, b) ((a) > (b) ? (a) : (b)) 600 | 601 | static void stbiw__linear_to_rgbe(unsigned char *rgbe, float *linear) 602 | { 603 | int exponent; 604 | float maxcomp = stbiw__max(linear[0], stbiw__max(linear[1], linear[2])); 605 | 606 | if (maxcomp < 1e-32f) { 607 | rgbe[0] = rgbe[1] = rgbe[2] = rgbe[3] = 0; 608 | } else { 609 | float normalize = (float) frexp(maxcomp, &exponent) * 256.0f/maxcomp; 610 | 611 | rgbe[0] = (unsigned char)(linear[0] * normalize); 612 | rgbe[1] = (unsigned char)(linear[1] * normalize); 613 | rgbe[2] = (unsigned char)(linear[2] * normalize); 614 | rgbe[3] = (unsigned char)(exponent + 128); 615 | } 616 | } 617 | 618 | static void stbiw__write_run_data(stbi__write_context *s, int length, unsigned char databyte) 619 | { 620 | unsigned char lengthbyte = STBIW_UCHAR(length+128); 621 | STBIW_ASSERT(length+128 <= 255); 622 | s->func(s->context, &lengthbyte, 1); 623 | s->func(s->context, &databyte, 1); 624 | } 625 | 626 | static void stbiw__write_dump_data(stbi__write_context *s, int length, unsigned char *data) 627 | { 628 | unsigned char lengthbyte = STBIW_UCHAR(length); 629 | STBIW_ASSERT(length <= 128); // inconsistent with spec but consistent with official code 630 | s->func(s->context, &lengthbyte, 1); 631 | s->func(s->context, data, length); 632 | } 633 | 634 | static void stbiw__write_hdr_scanline(stbi__write_context *s, int width, int ncomp, unsigned char *scratch, float *scanline) 635 | { 636 | unsigned char scanlineheader[4] = { 2, 2, 0, 0 }; 637 | unsigned char rgbe[4]; 638 | float linear[3]; 639 | int x; 640 | 641 | scanlineheader[2] = (width&0xff00)>>8; 642 | scanlineheader[3] = (width&0x00ff); 643 | 644 | /* skip RLE for images too small or large */ 645 | if (width < 8 || width >= 32768) { 646 | for (x=0; x < width; x++) { 647 | switch (ncomp) { 648 | case 4: /* fallthrough */ 649 | case 3: linear[2] = scanline[x*ncomp + 2]; 650 | linear[1] = scanline[x*ncomp + 1]; 651 | linear[0] = scanline[x*ncomp + 0]; 652 | break; 653 | default: 654 | linear[0] = linear[1] = linear[2] = scanline[x*ncomp + 0]; 655 | break; 656 | } 657 | stbiw__linear_to_rgbe(rgbe, linear); 658 | s->func(s->context, rgbe, 4); 659 | } 660 | } else { 661 | int c,r; 662 | /* encode into scratch buffer */ 663 | for (x=0; x < width; x++) { 664 | switch(ncomp) { 665 | case 4: /* fallthrough */ 666 | case 3: linear[2] = scanline[x*ncomp + 2]; 667 | linear[1] = scanline[x*ncomp + 1]; 668 | linear[0] = scanline[x*ncomp + 0]; 669 | break; 670 | default: 671 | linear[0] = linear[1] = linear[2] = scanline[x*ncomp + 0]; 672 | break; 673 | } 674 | stbiw__linear_to_rgbe(rgbe, linear); 675 | scratch[x + width*0] = rgbe[0]; 676 | scratch[x + width*1] = rgbe[1]; 677 | scratch[x + width*2] = rgbe[2]; 678 | scratch[x + width*3] = rgbe[3]; 679 | } 680 | 681 | s->func(s->context, scanlineheader, 4); 682 | 683 | /* RLE each component separately */ 684 | for (c=0; c < 4; c++) { 685 | unsigned char *comp = &scratch[width*c]; 686 | 687 | x = 0; 688 | while (x < width) { 689 | // find first run 690 | r = x; 691 | while (r+2 < width) { 692 | if (comp[r] == comp[r+1] && comp[r] == comp[r+2]) 693 | break; 694 | ++r; 695 | } 696 | if (r+2 >= width) 697 | r = width; 698 | // dump up to first run 699 | while (x < r) { 700 | int len = r-x; 701 | if (len > 128) len = 128; 702 | stbiw__write_dump_data(s, len, &comp[x]); 703 | x += len; 704 | } 705 | // if there's a run, output it 706 | if (r+2 < width) { // same test as what we break out of in search loop, so only true if we break'd 707 | // find next byte after run 708 | while (r < width && comp[r] == comp[x]) 709 | ++r; 710 | // output run up to r 711 | while (x < r) { 712 | int len = r-x; 713 | if (len > 127) len = 127; 714 | stbiw__write_run_data(s, len, comp[x]); 715 | x += len; 716 | } 717 | } 718 | } 719 | } 720 | } 721 | } 722 | 723 | static int stbi_write_hdr_core(stbi__write_context *s, int x, int y, int comp, float *data) 724 | { 725 | if (y <= 0 || x <= 0 || data == NULL) 726 | return 0; 727 | else { 728 | // Each component is stored separately. Allocate scratch space for full output scanline. 729 | unsigned char *scratch = (unsigned char *) STBIW_MALLOC(x*4); 730 | int i, len; 731 | char buffer[128]; 732 | char header[] = "#?RADIANCE\n# Written by stb_image_write.h\nFORMAT=32-bit_rle_rgbe\n"; 733 | s->func(s->context, header, sizeof(header)-1); 734 | 735 | #ifdef __STDC_WANT_SECURE_LIB__ 736 | len = sprintf_s(buffer, sizeof(buffer), "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x); 737 | #else 738 | len = sprintf(buffer, "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x); 739 | #endif 740 | s->func(s->context, buffer, len); 741 | 742 | for(i=0; i < y; i++) 743 | stbiw__write_hdr_scanline(s, x, comp, scratch, data + comp*x*(stbi__flip_vertically_on_write ? y-1-i : i)); 744 | STBIW_FREE(scratch); 745 | return 1; 746 | } 747 | } 748 | 749 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) 750 | { 751 | stbi__write_context s; 752 | stbi__start_write_callbacks(&s, func, context); 753 | return stbi_write_hdr_core(&s, x, y, comp, (float *) data); 754 | } 755 | 756 | #ifndef STBI_WRITE_NO_STDIO 757 | STBIWDEF int stbi_write_hdr(char const *filename, int x, int y, int comp, const float *data) 758 | { 759 | stbi__write_context s; 760 | if (stbi__start_write_file(&s,filename)) { 761 | int r = stbi_write_hdr_core(&s, x, y, comp, (float *) data); 762 | stbi__end_write_file(&s); 763 | return r; 764 | } else 765 | return 0; 766 | } 767 | #endif // STBI_WRITE_NO_STDIO 768 | 769 | 770 | ////////////////////////////////////////////////////////////////////////////// 771 | // 772 | // PNG writer 773 | // 774 | 775 | #ifndef STBIW_ZLIB_COMPRESS 776 | // stretchy buffer; stbiw__sbpush() == vector<>::push_back() -- stbiw__sbcount() == vector<>::size() 777 | #define stbiw__sbraw(a) ((int *) (a) - 2) 778 | #define stbiw__sbm(a) stbiw__sbraw(a)[0] 779 | #define stbiw__sbn(a) stbiw__sbraw(a)[1] 780 | 781 | #define stbiw__sbneedgrow(a,n) ((a)==0 || stbiw__sbn(a)+n >= stbiw__sbm(a)) 782 | #define stbiw__sbmaybegrow(a,n) (stbiw__sbneedgrow(a,(n)) ? stbiw__sbgrow(a,n) : 0) 783 | #define stbiw__sbgrow(a,n) stbiw__sbgrowf((void **) &(a), (n), sizeof(*(a))) 784 | 785 | #define stbiw__sbpush(a, v) (stbiw__sbmaybegrow(a,1), (a)[stbiw__sbn(a)++] = (v)) 786 | #define stbiw__sbcount(a) ((a) ? stbiw__sbn(a) : 0) 787 | #define stbiw__sbfree(a) ((a) ? STBIW_FREE(stbiw__sbraw(a)),0 : 0) 788 | 789 | static void *stbiw__sbgrowf(void **arr, int increment, int itemsize) 790 | { 791 | int m = *arr ? 2*stbiw__sbm(*arr)+increment : increment+1; 792 | void *p = STBIW_REALLOC_SIZED(*arr ? stbiw__sbraw(*arr) : 0, *arr ? (stbiw__sbm(*arr)*itemsize + sizeof(int)*2) : 0, itemsize * m + sizeof(int)*2); 793 | STBIW_ASSERT(p); 794 | if (p) { 795 | if (!*arr) ((int *) p)[1] = 0; 796 | *arr = (void *) ((int *) p + 2); 797 | stbiw__sbm(*arr) = m; 798 | } 799 | return *arr; 800 | } 801 | 802 | static unsigned char *stbiw__zlib_flushf(unsigned char *data, unsigned int *bitbuffer, int *bitcount) 803 | { 804 | while (*bitcount >= 8) { 805 | stbiw__sbpush(data, STBIW_UCHAR(*bitbuffer)); 806 | *bitbuffer >>= 8; 807 | *bitcount -= 8; 808 | } 809 | return data; 810 | } 811 | 812 | static int stbiw__zlib_bitrev(int code, int codebits) 813 | { 814 | int res=0; 815 | while (codebits--) { 816 | res = (res << 1) | (code & 1); 817 | code >>= 1; 818 | } 819 | return res; 820 | } 821 | 822 | static unsigned int stbiw__zlib_countm(unsigned char *a, unsigned char *b, int limit) 823 | { 824 | int i; 825 | for (i=0; i < limit && i < 258; ++i) 826 | if (a[i] != b[i]) break; 827 | return i; 828 | } 829 | 830 | static unsigned int stbiw__zhash(unsigned char *data) 831 | { 832 | stbiw_uint32 hash = data[0] + (data[1] << 8) + (data[2] << 16); 833 | hash ^= hash << 3; 834 | hash += hash >> 5; 835 | hash ^= hash << 4; 836 | hash += hash >> 17; 837 | hash ^= hash << 25; 838 | hash += hash >> 6; 839 | return hash; 840 | } 841 | 842 | #define stbiw__zlib_flush() (out = stbiw__zlib_flushf(out, &bitbuf, &bitcount)) 843 | #define stbiw__zlib_add(code,codebits) \ 844 | (bitbuf |= (code) << bitcount, bitcount += (codebits), stbiw__zlib_flush()) 845 | #define stbiw__zlib_huffa(b,c) stbiw__zlib_add(stbiw__zlib_bitrev(b,c),c) 846 | // default huffman tables 847 | #define stbiw__zlib_huff1(n) stbiw__zlib_huffa(0x30 + (n), 8) 848 | #define stbiw__zlib_huff2(n) stbiw__zlib_huffa(0x190 + (n)-144, 9) 849 | #define stbiw__zlib_huff3(n) stbiw__zlib_huffa(0 + (n)-256,7) 850 | #define stbiw__zlib_huff4(n) stbiw__zlib_huffa(0xc0 + (n)-280,8) 851 | #define stbiw__zlib_huff(n) ((n) <= 143 ? stbiw__zlib_huff1(n) : (n) <= 255 ? stbiw__zlib_huff2(n) : (n) <= 279 ? stbiw__zlib_huff3(n) : stbiw__zlib_huff4(n)) 852 | #define stbiw__zlib_huffb(n) ((n) <= 143 ? stbiw__zlib_huff1(n) : stbiw__zlib_huff2(n)) 853 | 854 | #define stbiw__ZHASH 16384 855 | 856 | #endif // STBIW_ZLIB_COMPRESS 857 | 858 | STBIWDEF unsigned char * stbi_zlib_compress(unsigned char *data, int data_len, int *out_len, int quality) 859 | { 860 | #ifdef STBIW_ZLIB_COMPRESS 861 | // user provided a zlib compress implementation, use that 862 | return STBIW_ZLIB_COMPRESS(data, data_len, out_len, quality); 863 | #else // use builtin 864 | static unsigned short lengthc[] = { 3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258, 259 }; 865 | static unsigned char lengtheb[]= { 0,0,0,0,0,0,0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0 }; 866 | static unsigned short distc[] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577, 32768 }; 867 | static unsigned char disteb[] = { 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13 }; 868 | unsigned int bitbuf=0; 869 | int i,j, bitcount=0; 870 | unsigned char *out = NULL; 871 | unsigned char ***hash_table = (unsigned char***) STBIW_MALLOC(stbiw__ZHASH * sizeof(char**)); 872 | if (hash_table == NULL) 873 | return NULL; 874 | if (quality < 5) quality = 5; 875 | 876 | stbiw__sbpush(out, 0x78); // DEFLATE 32K window 877 | stbiw__sbpush(out, 0x5e); // FLEVEL = 1 878 | stbiw__zlib_add(1,1); // BFINAL = 1 879 | stbiw__zlib_add(1,2); // BTYPE = 1 -- fixed huffman 880 | 881 | for (i=0; i < stbiw__ZHASH; ++i) 882 | hash_table[i] = NULL; 883 | 884 | i=0; 885 | while (i < data_len-3) { 886 | // hash next 3 bytes of data to be compressed 887 | int h = stbiw__zhash(data+i)&(stbiw__ZHASH-1), best=3; 888 | unsigned char *bestloc = 0; 889 | unsigned char **hlist = hash_table[h]; 890 | int n = stbiw__sbcount(hlist); 891 | for (j=0; j < n; ++j) { 892 | if (hlist[j]-data > i-32768) { // if entry lies within window 893 | int d = stbiw__zlib_countm(hlist[j], data+i, data_len-i); 894 | if (d >= best) { best=d; bestloc=hlist[j]; } 895 | } 896 | } 897 | // when hash table entry is too long, delete half the entries 898 | if (hash_table[h] && stbiw__sbn(hash_table[h]) == 2*quality) { 899 | STBIW_MEMMOVE(hash_table[h], hash_table[h]+quality, sizeof(hash_table[h][0])*quality); 900 | stbiw__sbn(hash_table[h]) = quality; 901 | } 902 | stbiw__sbpush(hash_table[h],data+i); 903 | 904 | if (bestloc) { 905 | // "lazy matching" - check match at *next* byte, and if it's better, do cur byte as literal 906 | h = stbiw__zhash(data+i+1)&(stbiw__ZHASH-1); 907 | hlist = hash_table[h]; 908 | n = stbiw__sbcount(hlist); 909 | for (j=0; j < n; ++j) { 910 | if (hlist[j]-data > i-32767) { 911 | int e = stbiw__zlib_countm(hlist[j], data+i+1, data_len-i-1); 912 | if (e > best) { // if next match is better, bail on current match 913 | bestloc = NULL; 914 | break; 915 | } 916 | } 917 | } 918 | } 919 | 920 | if (bestloc) { 921 | int d = (int) (data+i - bestloc); // distance back 922 | STBIW_ASSERT(d <= 32767 && best <= 258); 923 | for (j=0; best > lengthc[j+1]-1; ++j); 924 | stbiw__zlib_huff(j+257); 925 | if (lengtheb[j]) stbiw__zlib_add(best - lengthc[j], lengtheb[j]); 926 | for (j=0; d > distc[j+1]-1; ++j); 927 | stbiw__zlib_add(stbiw__zlib_bitrev(j,5),5); 928 | if (disteb[j]) stbiw__zlib_add(d - distc[j], disteb[j]); 929 | i += best; 930 | } else { 931 | stbiw__zlib_huffb(data[i]); 932 | ++i; 933 | } 934 | } 935 | // write out final bytes 936 | for (;i < data_len; ++i) 937 | stbiw__zlib_huffb(data[i]); 938 | stbiw__zlib_huff(256); // end of block 939 | // pad with 0 bits to byte boundary 940 | while (bitcount) 941 | stbiw__zlib_add(0,1); 942 | 943 | for (i=0; i < stbiw__ZHASH; ++i) 944 | (void) stbiw__sbfree(hash_table[i]); 945 | STBIW_FREE(hash_table); 946 | 947 | { 948 | // compute adler32 on input 949 | unsigned int s1=1, s2=0; 950 | int blocklen = (int) (data_len % 5552); 951 | j=0; 952 | while (j < data_len) { 953 | for (i=0; i < blocklen; ++i) { s1 += data[j+i]; s2 += s1; } 954 | s1 %= 65521; s2 %= 65521; 955 | j += blocklen; 956 | blocklen = 5552; 957 | } 958 | stbiw__sbpush(out, STBIW_UCHAR(s2 >> 8)); 959 | stbiw__sbpush(out, STBIW_UCHAR(s2)); 960 | stbiw__sbpush(out, STBIW_UCHAR(s1 >> 8)); 961 | stbiw__sbpush(out, STBIW_UCHAR(s1)); 962 | } 963 | *out_len = stbiw__sbn(out); 964 | // make returned pointer freeable 965 | STBIW_MEMMOVE(stbiw__sbraw(out), out, *out_len); 966 | return (unsigned char *) stbiw__sbraw(out); 967 | #endif // STBIW_ZLIB_COMPRESS 968 | } 969 | 970 | static unsigned int stbiw__crc32(unsigned char *buffer, int len) 971 | { 972 | #ifdef STBIW_CRC32 973 | return STBIW_CRC32(buffer, len); 974 | #else 975 | static unsigned int crc_table[256] = 976 | { 977 | 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 978 | 0x0eDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 979 | 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 980 | 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, 981 | 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 982 | 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, 983 | 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 984 | 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 985 | 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, 986 | 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, 987 | 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 988 | 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, 989 | 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 990 | 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 991 | 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, 992 | 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, 993 | 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 994 | 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, 995 | 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, 996 | 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 997 | 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, 998 | 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, 999 | 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 1000 | 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, 1001 | 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, 1002 | 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 1003 | 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, 1004 | 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 1005 | 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 1006 | 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, 1007 | 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 1008 | 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D 1009 | }; 1010 | 1011 | unsigned int crc = ~0u; 1012 | int i; 1013 | for (i=0; i < len; ++i) 1014 | crc = (crc >> 8) ^ crc_table[buffer[i] ^ (crc & 0xff)]; 1015 | return ~crc; 1016 | #endif 1017 | } 1018 | 1019 | #define stbiw__wpng4(o,a,b,c,d) ((o)[0]=STBIW_UCHAR(a),(o)[1]=STBIW_UCHAR(b),(o)[2]=STBIW_UCHAR(c),(o)[3]=STBIW_UCHAR(d),(o)+=4) 1020 | #define stbiw__wp32(data,v) stbiw__wpng4(data, (v)>>24,(v)>>16,(v)>>8,(v)); 1021 | #define stbiw__wptag(data,s) stbiw__wpng4(data, s[0],s[1],s[2],s[3]) 1022 | 1023 | static void stbiw__wpcrc(unsigned char **data, int len) 1024 | { 1025 | unsigned int crc = stbiw__crc32(*data - len - 4, len+4); 1026 | stbiw__wp32(*data, crc); 1027 | } 1028 | 1029 | static unsigned char stbiw__paeth(int a, int b, int c) 1030 | { 1031 | int p = a + b - c, pa = abs(p-a), pb = abs(p-b), pc = abs(p-c); 1032 | if (pa <= pb && pa <= pc) return STBIW_UCHAR(a); 1033 | if (pb <= pc) return STBIW_UCHAR(b); 1034 | return STBIW_UCHAR(c); 1035 | } 1036 | 1037 | // @OPTIMIZE: provide an option that always forces left-predict or paeth predict 1038 | static void stbiw__encode_png_line(unsigned char *pixels, int stride_bytes, int width, int height, int y, int n, int filter_type, signed char *line_buffer) 1039 | { 1040 | static int mapping[] = { 0,1,2,3,4 }; 1041 | static int firstmap[] = { 0,1,0,5,6 }; 1042 | int *mymap = (y != 0) ? mapping : firstmap; 1043 | int i; 1044 | int type = mymap[filter_type]; 1045 | unsigned char *z = pixels + stride_bytes * (stbi__flip_vertically_on_write ? height-1-y : y); 1046 | int signed_stride = stbi__flip_vertically_on_write ? -stride_bytes : stride_bytes; 1047 | 1048 | if (type==0) { 1049 | memcpy(line_buffer, z, width*n); 1050 | return; 1051 | } 1052 | 1053 | // first loop isn't optimized since it's just one pixel 1054 | for (i = 0; i < n; ++i) { 1055 | switch (type) { 1056 | case 1: line_buffer[i] = z[i]; break; 1057 | case 2: line_buffer[i] = z[i] - z[i-signed_stride]; break; 1058 | case 3: line_buffer[i] = z[i] - (z[i-signed_stride]>>1); break; 1059 | case 4: line_buffer[i] = (signed char) (z[i] - stbiw__paeth(0,z[i-signed_stride],0)); break; 1060 | case 5: line_buffer[i] = z[i]; break; 1061 | case 6: line_buffer[i] = z[i]; break; 1062 | } 1063 | } 1064 | switch (type) { 1065 | case 1: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - z[i-n]; break; 1066 | case 2: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - z[i-signed_stride]; break; 1067 | case 3: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - ((z[i-n] + z[i-signed_stride])>>1); break; 1068 | case 4: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - stbiw__paeth(z[i-n], z[i-signed_stride], z[i-signed_stride-n]); break; 1069 | case 5: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - (z[i-n]>>1); break; 1070 | case 6: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - stbiw__paeth(z[i-n], 0,0); break; 1071 | } 1072 | } 1073 | 1074 | STBIWDEF unsigned char *stbi_write_png_to_mem(const unsigned char *pixels, int stride_bytes, int x, int y, int n, int *out_len) 1075 | { 1076 | int force_filter = stbi_write_force_png_filter; 1077 | int ctype[5] = { -1, 0, 4, 2, 6 }; 1078 | unsigned char sig[8] = { 137,80,78,71,13,10,26,10 }; 1079 | unsigned char *out,*o, *filt, *zlib; 1080 | signed char *line_buffer; 1081 | int j,zlen; 1082 | 1083 | if (stride_bytes == 0) 1084 | stride_bytes = x * n; 1085 | 1086 | if (force_filter >= 5) { 1087 | force_filter = -1; 1088 | } 1089 | 1090 | filt = (unsigned char *) STBIW_MALLOC((x*n+1) * y); if (!filt) return 0; 1091 | line_buffer = (signed char *) STBIW_MALLOC(x * n); if (!line_buffer) { STBIW_FREE(filt); return 0; } 1092 | for (j=0; j < y; ++j) { 1093 | int filter_type; 1094 | if (force_filter > -1) { 1095 | filter_type = force_filter; 1096 | stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, force_filter, line_buffer); 1097 | } else { // Estimate the best filter by running through all of them: 1098 | int best_filter = 0, best_filter_val = 0x7fffffff, est, i; 1099 | for (filter_type = 0; filter_type < 5; filter_type++) { 1100 | stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, filter_type, line_buffer); 1101 | 1102 | // Estimate the entropy of the line using this filter; the less, the better. 1103 | est = 0; 1104 | for (i = 0; i < x*n; ++i) { 1105 | est += abs((signed char) line_buffer[i]); 1106 | } 1107 | if (est < best_filter_val) { 1108 | best_filter_val = est; 1109 | best_filter = filter_type; 1110 | } 1111 | } 1112 | if (filter_type != best_filter) { // If the last iteration already got us the best filter, don't redo it 1113 | stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, best_filter, line_buffer); 1114 | filter_type = best_filter; 1115 | } 1116 | } 1117 | // when we get here, filter_type contains the filter type, and line_buffer contains the data 1118 | filt[j*(x*n+1)] = (unsigned char) filter_type; 1119 | STBIW_MEMMOVE(filt+j*(x*n+1)+1, line_buffer, x*n); 1120 | } 1121 | STBIW_FREE(line_buffer); 1122 | zlib = stbi_zlib_compress(filt, y*( x*n+1), &zlen, stbi_write_png_compression_level); 1123 | STBIW_FREE(filt); 1124 | if (!zlib) return 0; 1125 | 1126 | // each tag requires 12 bytes of overhead 1127 | out = (unsigned char *) STBIW_MALLOC(8 + 12+13 + 12+zlen + 12); 1128 | if (!out) return 0; 1129 | *out_len = 8 + 12+13 + 12+zlen + 12; 1130 | 1131 | o=out; 1132 | STBIW_MEMMOVE(o,sig,8); o+= 8; 1133 | stbiw__wp32(o, 13); // header length 1134 | stbiw__wptag(o, "IHDR"); 1135 | stbiw__wp32(o, x); 1136 | stbiw__wp32(o, y); 1137 | *o++ = 8; 1138 | *o++ = STBIW_UCHAR(ctype[n]); 1139 | *o++ = 0; 1140 | *o++ = 0; 1141 | *o++ = 0; 1142 | stbiw__wpcrc(&o,13); 1143 | 1144 | stbiw__wp32(o, zlen); 1145 | stbiw__wptag(o, "IDAT"); 1146 | STBIW_MEMMOVE(o, zlib, zlen); 1147 | o += zlen; 1148 | STBIW_FREE(zlib); 1149 | stbiw__wpcrc(&o, zlen); 1150 | 1151 | stbiw__wp32(o,0); 1152 | stbiw__wptag(o, "IEND"); 1153 | stbiw__wpcrc(&o,0); 1154 | 1155 | STBIW_ASSERT(o == out + *out_len); 1156 | 1157 | return out; 1158 | } 1159 | 1160 | #ifndef STBI_WRITE_NO_STDIO 1161 | STBIWDEF int stbi_write_png(char const *filename, int x, int y, int comp, const void *data, int stride_bytes) 1162 | { 1163 | FILE *f; 1164 | int len; 1165 | unsigned char *png = stbi_write_png_to_mem((const unsigned char *) data, stride_bytes, x, y, comp, &len); 1166 | if (png == NULL) return 0; 1167 | 1168 | f = stbiw__fopen(filename, "wb"); 1169 | if (!f) { STBIW_FREE(png); return 0; } 1170 | fwrite(png, 1, len, f); 1171 | fclose(f); 1172 | STBIW_FREE(png); 1173 | return 1; 1174 | } 1175 | #endif 1176 | 1177 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) 1178 | { 1179 | int len; 1180 | unsigned char *png = stbi_write_png_to_mem((const unsigned char *) data, stride_bytes, x, y, comp, &len); 1181 | if (png == NULL) return 0; 1182 | func(context, png, len); 1183 | STBIW_FREE(png); 1184 | return 1; 1185 | } 1186 | 1187 | 1188 | /* *************************************************************************** 1189 | * 1190 | * JPEG writer 1191 | * 1192 | * This is based on Jon Olick's jo_jpeg.cpp: 1193 | * public domain Simple, Minimalistic JPEG writer - http://www.jonolick.com/code.html 1194 | */ 1195 | 1196 | static const unsigned char stbiw__jpg_ZigZag[] = { 0,1,5,6,14,15,27,28,2,4,7,13,16,26,29,42,3,8,12,17,25,30,41,43,9,11,18, 1197 | 24,31,40,44,53,10,19,23,32,39,45,52,54,20,22,33,38,46,51,55,60,21,34,37,47,50,56,59,61,35,36,48,49,57,58,62,63 }; 1198 | 1199 | static void stbiw__jpg_writeBits(stbi__write_context *s, int *bitBufP, int *bitCntP, const unsigned short *bs) { 1200 | int bitBuf = *bitBufP, bitCnt = *bitCntP; 1201 | bitCnt += bs[1]; 1202 | bitBuf |= bs[0] << (24 - bitCnt); 1203 | while(bitCnt >= 8) { 1204 | unsigned char c = (bitBuf >> 16) & 255; 1205 | stbiw__putc(s, c); 1206 | if(c == 255) { 1207 | stbiw__putc(s, 0); 1208 | } 1209 | bitBuf <<= 8; 1210 | bitCnt -= 8; 1211 | } 1212 | *bitBufP = bitBuf; 1213 | *bitCntP = bitCnt; 1214 | } 1215 | 1216 | static void stbiw__jpg_DCT(float *d0p, float *d1p, float *d2p, float *d3p, float *d4p, float *d5p, float *d6p, float *d7p) { 1217 | float d0 = *d0p, d1 = *d1p, d2 = *d2p, d3 = *d3p, d4 = *d4p, d5 = *d5p, d6 = *d6p, d7 = *d7p; 1218 | float z1, z2, z3, z4, z5, z11, z13; 1219 | 1220 | float tmp0 = d0 + d7; 1221 | float tmp7 = d0 - d7; 1222 | float tmp1 = d1 + d6; 1223 | float tmp6 = d1 - d6; 1224 | float tmp2 = d2 + d5; 1225 | float tmp5 = d2 - d5; 1226 | float tmp3 = d3 + d4; 1227 | float tmp4 = d3 - d4; 1228 | 1229 | // Even part 1230 | float tmp10 = tmp0 + tmp3; // phase 2 1231 | float tmp13 = tmp0 - tmp3; 1232 | float tmp11 = tmp1 + tmp2; 1233 | float tmp12 = tmp1 - tmp2; 1234 | 1235 | d0 = tmp10 + tmp11; // phase 3 1236 | d4 = tmp10 - tmp11; 1237 | 1238 | z1 = (tmp12 + tmp13) * 0.707106781f; // c4 1239 | d2 = tmp13 + z1; // phase 5 1240 | d6 = tmp13 - z1; 1241 | 1242 | // Odd part 1243 | tmp10 = tmp4 + tmp5; // phase 2 1244 | tmp11 = tmp5 + tmp6; 1245 | tmp12 = tmp6 + tmp7; 1246 | 1247 | // The rotator is modified from fig 4-8 to avoid extra negations. 1248 | z5 = (tmp10 - tmp12) * 0.382683433f; // c6 1249 | z2 = tmp10 * 0.541196100f + z5; // c2-c6 1250 | z4 = tmp12 * 1.306562965f + z5; // c2+c6 1251 | z3 = tmp11 * 0.707106781f; // c4 1252 | 1253 | z11 = tmp7 + z3; // phase 5 1254 | z13 = tmp7 - z3; 1255 | 1256 | *d5p = z13 + z2; // phase 6 1257 | *d3p = z13 - z2; 1258 | *d1p = z11 + z4; 1259 | *d7p = z11 - z4; 1260 | 1261 | *d0p = d0; *d2p = d2; *d4p = d4; *d6p = d6; 1262 | } 1263 | 1264 | static void stbiw__jpg_calcBits(int val, unsigned short bits[2]) { 1265 | int tmp1 = val < 0 ? -val : val; 1266 | val = val < 0 ? val-1 : val; 1267 | bits[1] = 1; 1268 | while(tmp1 >>= 1) { 1269 | ++bits[1]; 1270 | } 1271 | bits[0] = val & ((1<0)&&(DU[end0pos]==0); --end0pos) { 1309 | } 1310 | // end0pos = first element in reverse order !=0 1311 | if(end0pos == 0) { 1312 | stbiw__jpg_writeBits(s, bitBuf, bitCnt, EOB); 1313 | return DU[0]; 1314 | } 1315 | for(i = 1; i <= end0pos; ++i) { 1316 | int startpos = i; 1317 | int nrzeroes; 1318 | unsigned short bits[2]; 1319 | for (; DU[i]==0 && i<=end0pos; ++i) { 1320 | } 1321 | nrzeroes = i-startpos; 1322 | if ( nrzeroes >= 16 ) { 1323 | int lng = nrzeroes>>4; 1324 | int nrmarker; 1325 | for (nrmarker=1; nrmarker <= lng; ++nrmarker) 1326 | stbiw__jpg_writeBits(s, bitBuf, bitCnt, M16zeroes); 1327 | nrzeroes &= 15; 1328 | } 1329 | stbiw__jpg_calcBits(DU[i], bits); 1330 | stbiw__jpg_writeBits(s, bitBuf, bitCnt, HTAC[(nrzeroes<<4)+bits[1]]); 1331 | stbiw__jpg_writeBits(s, bitBuf, bitCnt, bits); 1332 | } 1333 | if(end0pos != 63) { 1334 | stbiw__jpg_writeBits(s, bitBuf, bitCnt, EOB); 1335 | } 1336 | return DU[0]; 1337 | } 1338 | 1339 | static int stbi_write_jpg_core(stbi__write_context *s, int width, int height, int comp, const void* data, int quality) { 1340 | // Constants that don't pollute global namespace 1341 | static const unsigned char std_dc_luminance_nrcodes[] = {0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0}; 1342 | static const unsigned char std_dc_luminance_values[] = {0,1,2,3,4,5,6,7,8,9,10,11}; 1343 | static const unsigned char std_ac_luminance_nrcodes[] = {0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,0x7d}; 1344 | static const unsigned char std_ac_luminance_values[] = { 1345 | 0x01,0x02,0x03,0x00,0x04,0x11,0x05,0x12,0x21,0x31,0x41,0x06,0x13,0x51,0x61,0x07,0x22,0x71,0x14,0x32,0x81,0x91,0xa1,0x08, 1346 | 0x23,0x42,0xb1,0xc1,0x15,0x52,0xd1,0xf0,0x24,0x33,0x62,0x72,0x82,0x09,0x0a,0x16,0x17,0x18,0x19,0x1a,0x25,0x26,0x27,0x28, 1347 | 0x29,0x2a,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58,0x59, 1348 | 0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x83,0x84,0x85,0x86,0x87,0x88,0x89, 1349 | 0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4,0xb5,0xb6, 1350 | 0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xe1,0xe2, 1351 | 0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa 1352 | }; 1353 | static const unsigned char std_dc_chrominance_nrcodes[] = {0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0}; 1354 | static const unsigned char std_dc_chrominance_values[] = {0,1,2,3,4,5,6,7,8,9,10,11}; 1355 | static const unsigned char std_ac_chrominance_nrcodes[] = {0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,0x77}; 1356 | static const unsigned char std_ac_chrominance_values[] = { 1357 | 0x00,0x01,0x02,0x03,0x11,0x04,0x05,0x21,0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71,0x13,0x22,0x32,0x81,0x08,0x14,0x42,0x91, 1358 | 0xa1,0xb1,0xc1,0x09,0x23,0x33,0x52,0xf0,0x15,0x62,0x72,0xd1,0x0a,0x16,0x24,0x34,0xe1,0x25,0xf1,0x17,0x18,0x19,0x1a,0x26, 1359 | 0x27,0x28,0x29,0x2a,0x35,0x36,0x37,0x38,0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58, 1360 | 0x59,0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x82,0x83,0x84,0x85,0x86,0x87, 1361 | 0x88,0x89,0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4, 1362 | 0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda, 1363 | 0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa 1364 | }; 1365 | // Huffman tables 1366 | static const unsigned short YDC_HT[256][2] = { {0,2},{2,3},{3,3},{4,3},{5,3},{6,3},{14,4},{30,5},{62,6},{126,7},{254,8},{510,9}}; 1367 | static const unsigned short UVDC_HT[256][2] = { {0,2},{1,2},{2,2},{6,3},{14,4},{30,5},{62,6},{126,7},{254,8},{510,9},{1022,10},{2046,11}}; 1368 | static const unsigned short YAC_HT[256][2] = { 1369 | {10,4},{0,2},{1,2},{4,3},{11,4},{26,5},{120,7},{248,8},{1014,10},{65410,16},{65411,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1370 | {12,4},{27,5},{121,7},{502,9},{2038,11},{65412,16},{65413,16},{65414,16},{65415,16},{65416,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1371 | {28,5},{249,8},{1015,10},{4084,12},{65417,16},{65418,16},{65419,16},{65420,16},{65421,16},{65422,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1372 | {58,6},{503,9},{4085,12},{65423,16},{65424,16},{65425,16},{65426,16},{65427,16},{65428,16},{65429,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1373 | {59,6},{1016,10},{65430,16},{65431,16},{65432,16},{65433,16},{65434,16},{65435,16},{65436,16},{65437,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1374 | {122,7},{2039,11},{65438,16},{65439,16},{65440,16},{65441,16},{65442,16},{65443,16},{65444,16},{65445,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1375 | {123,7},{4086,12},{65446,16},{65447,16},{65448,16},{65449,16},{65450,16},{65451,16},{65452,16},{65453,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1376 | {250,8},{4087,12},{65454,16},{65455,16},{65456,16},{65457,16},{65458,16},{65459,16},{65460,16},{65461,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1377 | {504,9},{32704,15},{65462,16},{65463,16},{65464,16},{65465,16},{65466,16},{65467,16},{65468,16},{65469,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1378 | {505,9},{65470,16},{65471,16},{65472,16},{65473,16},{65474,16},{65475,16},{65476,16},{65477,16},{65478,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1379 | {506,9},{65479,16},{65480,16},{65481,16},{65482,16},{65483,16},{65484,16},{65485,16},{65486,16},{65487,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1380 | {1017,10},{65488,16},{65489,16},{65490,16},{65491,16},{65492,16},{65493,16},{65494,16},{65495,16},{65496,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1381 | {1018,10},{65497,16},{65498,16},{65499,16},{65500,16},{65501,16},{65502,16},{65503,16},{65504,16},{65505,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1382 | {2040,11},{65506,16},{65507,16},{65508,16},{65509,16},{65510,16},{65511,16},{65512,16},{65513,16},{65514,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1383 | {65515,16},{65516,16},{65517,16},{65518,16},{65519,16},{65520,16},{65521,16},{65522,16},{65523,16},{65524,16},{0,0},{0,0},{0,0},{0,0},{0,0}, 1384 | {2041,11},{65525,16},{65526,16},{65527,16},{65528,16},{65529,16},{65530,16},{65531,16},{65532,16},{65533,16},{65534,16},{0,0},{0,0},{0,0},{0,0},{0,0} 1385 | }; 1386 | static const unsigned short UVAC_HT[256][2] = { 1387 | {0,2},{1,2},{4,3},{10,4},{24,5},{25,5},{56,6},{120,7},{500,9},{1014,10},{4084,12},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1388 | {11,4},{57,6},{246,8},{501,9},{2038,11},{4085,12},{65416,16},{65417,16},{65418,16},{65419,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1389 | {26,5},{247,8},{1015,10},{4086,12},{32706,15},{65420,16},{65421,16},{65422,16},{65423,16},{65424,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1390 | {27,5},{248,8},{1016,10},{4087,12},{65425,16},{65426,16},{65427,16},{65428,16},{65429,16},{65430,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1391 | {58,6},{502,9},{65431,16},{65432,16},{65433,16},{65434,16},{65435,16},{65436,16},{65437,16},{65438,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1392 | {59,6},{1017,10},{65439,16},{65440,16},{65441,16},{65442,16},{65443,16},{65444,16},{65445,16},{65446,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1393 | {121,7},{2039,11},{65447,16},{65448,16},{65449,16},{65450,16},{65451,16},{65452,16},{65453,16},{65454,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1394 | {122,7},{2040,11},{65455,16},{65456,16},{65457,16},{65458,16},{65459,16},{65460,16},{65461,16},{65462,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1395 | {249,8},{65463,16},{65464,16},{65465,16},{65466,16},{65467,16},{65468,16},{65469,16},{65470,16},{65471,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1396 | {503,9},{65472,16},{65473,16},{65474,16},{65475,16},{65476,16},{65477,16},{65478,16},{65479,16},{65480,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1397 | {504,9},{65481,16},{65482,16},{65483,16},{65484,16},{65485,16},{65486,16},{65487,16},{65488,16},{65489,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1398 | {505,9},{65490,16},{65491,16},{65492,16},{65493,16},{65494,16},{65495,16},{65496,16},{65497,16},{65498,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1399 | {506,9},{65499,16},{65500,16},{65501,16},{65502,16},{65503,16},{65504,16},{65505,16},{65506,16},{65507,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1400 | {2041,11},{65508,16},{65509,16},{65510,16},{65511,16},{65512,16},{65513,16},{65514,16},{65515,16},{65516,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, 1401 | {16352,14},{65517,16},{65518,16},{65519,16},{65520,16},{65521,16},{65522,16},{65523,16},{65524,16},{65525,16},{0,0},{0,0},{0,0},{0,0},{0,0}, 1402 | {1018,10},{32707,15},{65526,16},{65527,16},{65528,16},{65529,16},{65530,16},{65531,16},{65532,16},{65533,16},{65534,16},{0,0},{0,0},{0,0},{0,0},{0,0} 1403 | }; 1404 | static const int YQT[] = {16,11,10,16,24,40,51,61,12,12,14,19,26,58,60,55,14,13,16,24,40,57,69,56,14,17,22,29,51,87,80,62,18,22, 1405 | 37,56,68,109,103,77,24,35,55,64,81,104,113,92,49,64,78,87,103,121,120,101,72,92,95,98,112,100,103,99}; 1406 | static const int UVQT[] = {17,18,24,47,99,99,99,99,18,21,26,66,99,99,99,99,24,26,56,99,99,99,99,99,47,66,99,99,99,99,99,99, 1407 | 99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99}; 1408 | static const float aasf[] = { 1.0f * 2.828427125f, 1.387039845f * 2.828427125f, 1.306562965f * 2.828427125f, 1.175875602f * 2.828427125f, 1409 | 1.0f * 2.828427125f, 0.785694958f * 2.828427125f, 0.541196100f * 2.828427125f, 0.275899379f * 2.828427125f }; 1410 | 1411 | int row, col, i, k; 1412 | float fdtbl_Y[64], fdtbl_UV[64]; 1413 | unsigned char YTable[64], UVTable[64]; 1414 | 1415 | if(!data || !width || !height || comp > 4 || comp < 1) { 1416 | return 0; 1417 | } 1418 | 1419 | quality = quality ? quality : 90; 1420 | quality = quality < 1 ? 1 : quality > 100 ? 100 : quality; 1421 | quality = quality < 50 ? 5000 / quality : 200 - quality * 2; 1422 | 1423 | for(i = 0; i < 64; ++i) { 1424 | int uvti, yti = (YQT[i]*quality+50)/100; 1425 | YTable[stbiw__jpg_ZigZag[i]] = (unsigned char) (yti < 1 ? 1 : yti > 255 ? 255 : yti); 1426 | uvti = (UVQT[i]*quality+50)/100; 1427 | UVTable[stbiw__jpg_ZigZag[i]] = (unsigned char) (uvti < 1 ? 1 : uvti > 255 ? 255 : uvti); 1428 | } 1429 | 1430 | for(row = 0, k = 0; row < 8; ++row) { 1431 | for(col = 0; col < 8; ++col, ++k) { 1432 | fdtbl_Y[k] = 1 / (YTable [stbiw__jpg_ZigZag[k]] * aasf[row] * aasf[col]); 1433 | fdtbl_UV[k] = 1 / (UVTable[stbiw__jpg_ZigZag[k]] * aasf[row] * aasf[col]); 1434 | } 1435 | } 1436 | 1437 | // Write Headers 1438 | { 1439 | static const unsigned char head0[] = { 0xFF,0xD8,0xFF,0xE0,0,0x10,'J','F','I','F',0,1,1,0,0,1,0,1,0,0,0xFF,0xDB,0,0x84,0 }; 1440 | static const unsigned char head2[] = { 0xFF,0xDA,0,0xC,3,1,0,2,0x11,3,0x11,0,0x3F,0 }; 1441 | const unsigned char head1[] = { 0xFF,0xC0,0,0x11,8,(unsigned char)(height>>8),STBIW_UCHAR(height),(unsigned char)(width>>8),STBIW_UCHAR(width), 1442 | 3,1,0x11,0,2,0x11,1,3,0x11,1,0xFF,0xC4,0x01,0xA2,0 }; 1443 | s->func(s->context, (void*)head0, sizeof(head0)); 1444 | s->func(s->context, (void*)YTable, sizeof(YTable)); 1445 | stbiw__putc(s, 1); 1446 | s->func(s->context, UVTable, sizeof(UVTable)); 1447 | s->func(s->context, (void*)head1, sizeof(head1)); 1448 | s->func(s->context, (void*)(std_dc_luminance_nrcodes+1), sizeof(std_dc_luminance_nrcodes)-1); 1449 | s->func(s->context, (void*)std_dc_luminance_values, sizeof(std_dc_luminance_values)); 1450 | stbiw__putc(s, 0x10); // HTYACinfo 1451 | s->func(s->context, (void*)(std_ac_luminance_nrcodes+1), sizeof(std_ac_luminance_nrcodes)-1); 1452 | s->func(s->context, (void*)std_ac_luminance_values, sizeof(std_ac_luminance_values)); 1453 | stbiw__putc(s, 1); // HTUDCinfo 1454 | s->func(s->context, (void*)(std_dc_chrominance_nrcodes+1), sizeof(std_dc_chrominance_nrcodes)-1); 1455 | s->func(s->context, (void*)std_dc_chrominance_values, sizeof(std_dc_chrominance_values)); 1456 | stbiw__putc(s, 0x11); // HTUACinfo 1457 | s->func(s->context, (void*)(std_ac_chrominance_nrcodes+1), sizeof(std_ac_chrominance_nrcodes)-1); 1458 | s->func(s->context, (void*)std_ac_chrominance_values, sizeof(std_ac_chrominance_values)); 1459 | s->func(s->context, (void*)head2, sizeof(head2)); 1460 | } 1461 | 1462 | // Encode 8x8 macroblocks 1463 | { 1464 | static const unsigned short fillBits[] = {0x7F, 7}; 1465 | const unsigned char *imageData = (const unsigned char *)data; 1466 | int DCY=0, DCU=0, DCV=0; 1467 | int bitBuf=0, bitCnt=0; 1468 | // comp == 2 is grey+alpha (alpha is ignored) 1469 | int ofsG = comp > 2 ? 1 : 0, ofsB = comp > 2 ? 2 : 0; 1470 | int x, y, pos; 1471 | for(y = 0; y < height; y += 8) { 1472 | for(x = 0; x < width; x += 8) { 1473 | float YDU[64], UDU[64], VDU[64]; 1474 | for(row = y, pos = 0; row < y+8; ++row) { 1475 | // row >= height => use last input row 1476 | int clamped_row = (row < height) ? row : height - 1; 1477 | int base_p = (stbi__flip_vertically_on_write ? (height-1-clamped_row) : clamped_row)*width*comp; 1478 | for(col = x; col < x+8; ++col, ++pos) { 1479 | float r, g, b; 1480 | // if col >= width => use pixel from last input column 1481 | int p = base_p + ((col < width) ? col : (width-1))*comp; 1482 | 1483 | r = imageData[p+0]; 1484 | g = imageData[p+ofsG]; 1485 | b = imageData[p+ofsB]; 1486 | YDU[pos]=+0.29900f*r+0.58700f*g+0.11400f*b-128; 1487 | UDU[pos]=-0.16874f*r-0.33126f*g+0.50000f*b; 1488 | VDU[pos]=+0.50000f*r-0.41869f*g-0.08131f*b; 1489 | } 1490 | } 1491 | 1492 | DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, YDU, fdtbl_Y, DCY, YDC_HT, YAC_HT); 1493 | DCU = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, UDU, fdtbl_UV, DCU, UVDC_HT, UVAC_HT); 1494 | DCV = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, VDU, fdtbl_UV, DCV, UVDC_HT, UVAC_HT); 1495 | } 1496 | } 1497 | 1498 | // Do the bit alignment of the EOI marker 1499 | stbiw__jpg_writeBits(s, &bitBuf, &bitCnt, fillBits); 1500 | } 1501 | 1502 | // EOI 1503 | stbiw__putc(s, 0xFF); 1504 | stbiw__putc(s, 0xD9); 1505 | 1506 | return 1; 1507 | } 1508 | 1509 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) 1510 | { 1511 | stbi__write_context s; 1512 | stbi__start_write_callbacks(&s, func, context); 1513 | return stbi_write_jpg_core(&s, x, y, comp, (void *) data, quality); 1514 | } 1515 | 1516 | 1517 | #ifndef STBI_WRITE_NO_STDIO 1518 | STBIWDEF int stbi_write_jpg(char const *filename, int x, int y, int comp, const void *data, int quality) 1519 | { 1520 | stbi__write_context s; 1521 | if (stbi__start_write_file(&s,filename)) { 1522 | int r = stbi_write_jpg_core(&s, x, y, comp, data, quality); 1523 | stbi__end_write_file(&s); 1524 | return r; 1525 | } else 1526 | return 0; 1527 | } 1528 | #endif 1529 | 1530 | #endif // STB_IMAGE_WRITE_IMPLEMENTATION 1531 | 1532 | /* Revision history 1533 | 1.10 (2019-02-07) 1534 | support utf8 filenames in Windows; fix warnings and platform ifdefs 1535 | 1.09 (2018-02-11) 1536 | fix typo in zlib quality API, improve STB_I_W_STATIC in C++ 1537 | 1.08 (2018-01-29) 1538 | add stbi__flip_vertically_on_write, external zlib, zlib quality, choose PNG filter 1539 | 1.07 (2017-07-24) 1540 | doc fix 1541 | 1.06 (2017-07-23) 1542 | writing JPEG (using Jon Olick's code) 1543 | 1.05 ??? 1544 | 1.04 (2017-03-03) 1545 | monochrome BMP expansion 1546 | 1.03 ??? 1547 | 1.02 (2016-04-02) 1548 | avoid allocating large structures on the stack 1549 | 1.01 (2016-01-16) 1550 | STBIW_REALLOC_SIZED: support allocators with no realloc support 1551 | avoid race-condition in crc initialization 1552 | minor compile issues 1553 | 1.00 (2015-09-14) 1554 | installable file IO function 1555 | 0.99 (2015-09-13) 1556 | warning fixes; TGA rle support 1557 | 0.98 (2015-04-08) 1558 | added STBIW_MALLOC, STBIW_ASSERT etc 1559 | 0.97 (2015-01-18) 1560 | fixed HDR asserts, rewrote HDR rle logic 1561 | 0.96 (2015-01-17) 1562 | add HDR output 1563 | fix monochrome BMP 1564 | 0.95 (2014-08-17) 1565 | add monochrome TGA output 1566 | 0.94 (2014-05-31) 1567 | rename private functions to avoid conflicts with stb_image.h 1568 | 0.93 (2014-05-27) 1569 | warning fixes 1570 | 0.92 (2010-08-01) 1571 | casts to unsigned char to fix warnings 1572 | 0.91 (2010-07-17) 1573 | first public release 1574 | 0.90 first internal release 1575 | */ 1576 | 1577 | /* 1578 | ------------------------------------------------------------------------------ 1579 | This software is available under 2 licenses -- choose whichever you prefer. 1580 | ------------------------------------------------------------------------------ 1581 | ALTERNATIVE A - MIT License 1582 | Copyright (c) 2017 Sean Barrett 1583 | Permission is hereby granted, free of charge, to any person obtaining a copy of 1584 | this software and associated documentation files (the "Software"), to deal in 1585 | the Software without restriction, including without limitation the rights to 1586 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 1587 | of the Software, and to permit persons to whom the Software is furnished to do 1588 | so, subject to the following conditions: 1589 | The above copyright notice and this permission notice shall be included in all 1590 | copies or substantial portions of the Software. 1591 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1592 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1593 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 1594 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 1595 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 1596 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 1597 | SOFTWARE. 1598 | ------------------------------------------------------------------------------ 1599 | ALTERNATIVE B - Public Domain (www.unlicense.org) 1600 | This is free and unencumbered software released into the public domain. 1601 | Anyone is free to copy, modify, publish, use, compile, sell, or distribute this 1602 | software, either in source code form or as a compiled binary, for any purpose, 1603 | commercial or non-commercial, and by any means. 1604 | In jurisdictions that recognize copyright laws, the author or authors of this 1605 | software dedicate any and all copyright interest in the software to the public 1606 | domain. We make this dedication for the benefit of the public at large and to 1607 | the detriment of our heirs and successors. We intend this dedication to be an 1608 | overt act of relinquishment in perpetuity of all present and future rights to 1609 | this software under copyright law. 1610 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1611 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1612 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 1613 | AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 1614 | ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 1615 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 1616 | ------------------------------------------------------------------------------ 1617 | */ 1618 | --------------------------------------------------------------------------------