8 | * Licensed under the Apache License, Version 2.0 (the "License");
9 | * you may not use this file except in compliance with the License.
10 | * You may obtain a copy of the License at
11 | *
14 | * Unless required by applicable law or agreed to in writing, software
15 | * distributed under the License is distributed on an "AS IS" BASIS,
16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 | * See the License for the specific language governing permissions and
18 | * limitations under the License.
19 | */
20 |
21 | class BlurFactor {
22 |
23 | public static final int DEFAULT_RADIUS = 25;
24 | public static final int DEFAULT_SAMPLING = 1;
25 |
26 | public int width;
27 | public int height;
28 | public int radius = DEFAULT_RADIUS;
29 | public int sampling = DEFAULT_SAMPLING;
30 | public int color = Color.TRANSPARENT;
31 | }
32 |
--------------------------------------------------------------------------------
/blurry/src/main/java/jp/wasabeef/blurry/Helper.java:
--------------------------------------------------------------------------------
1 | package jp.wasabeef.blurry;
2 |
3 | import android.view.View;
4 | import android.view.animation.AlphaAnimation;
5 |
6 | /**
7 | * Copyright (C) 2020 Wasabeef
8 | *
9 | * Licensed under the Apache License, Version 2.0 (the "License");
10 | * you may not use this file except in compliance with the License.
11 | * You may obtain a copy of the License at
12 | *
16 | * Licensed under the Apache License, Version 2.0 (the "License");
17 | * you may not use this file except in compliance with the License.
18 | * You may obtain a copy of the License at
19 | *
22 | * Unless required by applicable law or agreed to in writing, software
23 | * distributed under the License is distributed on an "AS IS" BASIS,
24 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 | * See the License for the specific language governing permissions and
26 | * limitations under the License.
27 | */
28 |
29 | class BlurTask {
30 |
31 | public interface Callback {
32 | void done(Bitmap bitmap);
33 | }
34 |
35 | private final WeakReference contextWeakRef;
36 | private final BlurFactor factor;
37 | private final Bitmap bitmap;
38 | private final Callback callback;
39 | private static final ExecutorService THREAD_POOL = Executors.newCachedThreadPool();
40 |
41 | public BlurTask(View target, BlurFactor factor, Callback callback) {
42 | this.factor = factor;
43 | this.callback = callback;
44 | this.contextWeakRef = new WeakReference<>(target.getContext());
45 |
46 | target.setDrawingCacheEnabled(true);
47 | target.destroyDrawingCache();
48 | target.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_LOW);
49 | bitmap = target.getDrawingCache();
50 | }
51 |
52 | public BlurTask(Context context, Bitmap bitmap, BlurFactor factor, Callback callback) {
53 | this.factor = factor;
54 | this.callback = callback;
55 | this.contextWeakRef = new WeakReference<>(context);
56 |
57 | this.bitmap = bitmap;
58 | }
59 |
60 | public void execute() {
61 | THREAD_POOL.execute(new Runnable() {
62 | @Override
63 | public void run() {
64 | Context context = contextWeakRef.get();
65 | if (callback != null) {
66 | new Handler(Looper.getMainLooper()).post(new Runnable() {
67 | @Override
68 | public void run() {
69 | callback.done(Blur.of(context, bitmap, factor));
70 | }
71 | });
72 | }
73 | }
74 | });
75 | }
76 | }
77 |
--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
1 | @rem
2 | @rem Copyright 2015 the original author or authors.
3 | @rem
4 | @rem Licensed under the Apache License, Version 2.0 (the "License");
5 | @rem you may not use this file except in compliance with the License.
6 | @rem You may obtain a copy of the License at
7 | @rem
8 | @rem https://www.apache.org/licenses/LICENSE-2.0
9 | @rem
10 | @rem Unless required by applicable law or agreed to in writing, software
11 | @rem distributed under the License is distributed on an "AS IS" BASIS,
12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | @rem See the License for the specific language governing permissions and
14 | @rem limitations under the License.
15 | @rem
16 |
17 | @if "%DEBUG%" == "" @echo off
18 | @rem ##########################################################################
19 | @rem
20 | @rem Gradle startup script for Windows
21 | @rem
22 | @rem ##########################################################################
23 |
24 | @rem Set local scope for the variables with windows NT shell
25 | if "%OS%"=="Windows_NT" setlocal
26 |
27 | set DIRNAME=%~dp0
28 | if "%DIRNAME%" == "" set DIRNAME=.
29 | set APP_BASE_NAME=%~n0
30 | set APP_HOME=%DIRNAME%
31 |
32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter.
33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
34 |
35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
37 |
38 | @rem Find java.exe
39 | if defined JAVA_HOME goto findJavaFromJavaHome
40 |
41 | set JAVA_EXE=java.exe
42 | %JAVA_EXE% -version >NUL 2>&1
43 | if "%ERRORLEVEL%" == "0" goto execute
44 |
45 | echo.
46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
47 | echo.
48 | echo Please set the JAVA_HOME variable in your environment to match the
49 | echo location of your Java installation.
50 |
51 | goto fail
52 |
53 | :findJavaFromJavaHome
54 | set JAVA_HOME=%JAVA_HOME:"=%
55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
56 |
57 | if exist "%JAVA_EXE%" goto execute
58 |
59 | echo.
60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
61 | echo.
62 | echo Please set the JAVA_HOME variable in your environment to match the
63 | echo location of your Java installation.
64 |
65 | goto fail
66 |
67 | :execute
68 | @rem Setup the command line
69 |
70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
71 |
72 |
73 | @rem Execute Gradle
74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
75 |
76 | :end
77 | @rem End local scope for the variables with windows NT shell
78 | if "%ERRORLEVEL%"=="0" goto mainEnd
79 |
80 | :fail
81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
82 | rem the _cmd.exe /c_ return code!
83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
84 | exit /b 1
85 |
86 | :mainEnd
87 | if "%OS%"=="Windows_NT" endlocal
88 |
89 | :omega
90 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | [](https://android-arsenal.com/details/1/2192)
2 | [](https://www.apache.org/licenses/LICENSE-2.0)
3 | [](https://search.maven.org/artifact/jp.wasabeef/blurry)
4 |
5 | `Blurry` is an easy blur library for `Android`.
6 |
7 | 
8 |
9 | Screenshot
10 | ---
11 |
12 | 
13 |
14 | How do I use it?
15 | ---
16 |
17 | ### Setup
18 |
19 | ##### Dependencies
20 | ```groovy
21 | repositories {
22 | mavenCentral()
23 | }
24 |
25 | dependencies {
26 | compile 'jp.wasabeef:blurry:4.0.1'
27 | }
28 | ```
29 |
30 | ### Functions
31 |
32 | **Overlay**
33 |
34 | Parent must be ViewGroup
35 |
36 | ```kotlin
37 | Blurry.with(context).radius(25).sampling(2).onto(rootView)
38 | ```
39 |
40 | **Into**
41 | ```kotlin
42 | // from View
43 | Blurry.with(context).capture(view).into(imageView)
44 | ```
45 |
46 | ```kotlin
47 | // from Bitmap
48 | Blurry.with(context).from(bitmap).into(imageView)
49 | ```
50 |
51 | **Blur Options**
52 |
53 | - Radius
54 | - Down Sampling
55 | - Color Filter
56 | - Asynchronous Support
57 | - Animation (Overlay Only)
58 |
59 | ```java
60 | Blurry.with(context)
61 | .radius(10)
62 | .sampling(8)
63 | .color(Color.argb(66, 255, 255, 0))
64 | .async()
65 | .animate(500)
66 | .onto(rootView);
67 | ```
68 |
69 | **Get a bitmap directly**
70 | ```kotlin
71 | // Sync
72 | val bitmap = Blurry.with(this)
73 | .radius(10)
74 | .sampling(8)
75 | .capture(findViewById(R.id.right_bottom)).get()
76 | imageView.setImageDrawable(BitmapDrawable(resources, bitmap))
77 |
78 | // Async
79 | Blurry.with(this)
80 | .radius(25)
81 | .sampling(4)
82 | .color(Color.argb(66, 255, 255, 0))
83 | .capture(findViewById(R.id.left_bottom))
84 | .getAsync {
85 | imageView.setImageDrawable(BitmapDrawable(resources, it))
86 | }
87 | ```
88 |
89 | Requirements
90 | --------------
91 | Android 5.+ (API 21)
92 |
93 | Developed By
94 | -------
95 | Daichi Furiya (Wasabeef) -
96 |
97 |
98 |
100 |
101 |
102 | License
103 | -------
104 |
105 | Copyright (C) 2020 Wasabeef
106 |
107 | Licensed under the Apache License, Version 2.0 (the "License");
108 | you may not use this file except in compliance with the License.
109 | You may obtain a copy of the License at
110 |
111 | http://www.apache.org/licenses/LICENSE-2.0
112 |
113 | Unless required by applicable law or agreed to in writing, software
114 | distributed under the License is distributed on an "AS IS" BASIS,
115 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
116 | See the License for the specific language governing permissions and
117 | limitations under the License.
118 |
--------------------------------------------------------------------------------
/CHANGELOG.md:
--------------------------------------------------------------------------------
1 | Change Log
2 | ==========
3 |
4 | Version 4.0.1 *(2021-12-13)*
5 | ----------------------------
6 |
7 | Fix:
8 | - Calling RS with no Context active [#103](https://github.com/wasabeef/Blurry/issues/103)
9 |
10 | Version 4.0.0 *(2020-09-28)*
11 | ----------------------------
12 |
13 | Update
14 | - Compile & Target SDK Version 28 -> 30
15 | - minSdkVersion -> 21
16 |
17 | Feature
18 | - [NEW] Get the bitmap directly.
19 | - `Blurry#get`, `Blurry#getAsync`
20 | - [BREAKING CHANGES] Remove `async(ImageComposerListener)`. Use getAsync(BlurTask.Callback) instead that.
21 |
22 | Version 3.0.0 *(2018-11-19)*
23 | ----------------------------
24 |
25 | Update:
26 | - Migrate to AndroidX
27 | - Remove novoda-bintray-plugin
28 | - Fix some bugs
29 |
30 | Version 2.1.1 *(2017-03-21)*
31 | ----------------------------
32 |
33 | Update:
34 | - Support Library 24.2.0 -> 25.3.0
35 |
36 | Bug Fix:
37 | - [Destroy Allocation and ScriptInstrinsicBlur objects to prevent memory leaks #51](https://github.com/wasabeef/Blurry/pull/51)
38 |
39 |
40 | Version 2.1.0 *(2016-12-20)*
41 | ----------------------------
42 |
43 | Update:
44 | - Build Tools 24.0.2 -> 25.0.2
45 | - Support Library 23.4.0 -> 24.2.0
46 |
47 | PR:
48 | - [#44](https://github.com/wasabeef/Blurry/pull/44) Implement BitmapComposer
49 |
50 |
51 | Version 2.0.3 *(2016-08-04)*
52 | ----------------------------
53 |
54 | Update:
55 | - Build Tools 23.0.1 -> 24.0.2
56 | - Support Library 23.0.1 -> 23.4.0
57 |
58 | Version 2.0.2 *(2016-04-21)*
59 | ----------------------------
60 |
61 | Fix Fatal Signal
62 |
63 | Version 2.0.1 *(2016-04-21)*
64 | ----------------------------
65 |
66 | Fix RSInvalidStateException.
67 |
68 | Version 2.0.0 *(2016-03-02)*
69 | ----------------------------
70 |
71 | Say v8.RenderScript goodbye
72 |
73 | Version 1.1.0 *(2016-02-28)*
74 | ----------------------------
75 |
76 | PR: [#21](https://github.com/wasabeef/Blurry/pull/21) Use FastBlur as a fallback upon RenderScript failure.
77 | fix Issue [#16](https://github.com/wasabeef/Blurry/issues/16)
78 | PR: [#18](https://github.com/wasabeef/Blurry/pull/18) Added optional listener.
79 |
80 | Version 1.0.5 *(2015-11-27)*
81 | ----------------------------
82 |
83 | Change the renderscriptTargetApi down to 20.
84 | Warning:Renderscript support mode is not currently supported with renderscript target 21+
85 |
86 | Version 1.0.4 *(2015-09-07)*
87 | ----------------------------
88 |
89 | fix leak code.
90 |
91 | Version 1.0.3 *(2015-09-04)*
92 | ----------------------------
93 |
94 | fix [#2](https://github.com/wasabeef/Blurry/issues/5) renderscript in build-tools.
95 |
96 | Version 1.0.2 *(2015-09-02)*
97 | ----------------------------
98 |
99 | Replace AsyncTask.
100 |
101 | Version 1.0.1 *(2015-08-26)*
102 | ----------------------------
103 |
104 | fix [#5](https://github.com/wasabeef/Blurry/issues/5) throws RuntimeException.
105 |
106 |
107 | Version 1.0.0 *(2015-07-28)*
108 | ----------------------------
109 |
110 | Refactor delete method.
111 | Added Animation.
112 |
113 | Version 0.0.3 *(2015-07-25)*
114 | ----------------------------
115 |
116 | Asynchronous Support.
117 |
118 | Version 0.0.2 *(2015-07-25)*
119 | ----------------------------
120 |
121 | Refactor.
122 |
123 | Version 0.0.1 *(2015-07-24)*
124 | ----------------------------
125 |
126 | Initial release.
127 |
--------------------------------------------------------------------------------
/.idea/codeStyles/Project.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 | xmlns:android
14 |
15 | ^$
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 | xmlns:.*
25 |
26 | ^$
27 |
28 |
29 | BY_NAME
30 |
31 |
32 |
33 |
34 |
35 |
36 | .*:id
37 |
38 | http://schemas.android.com/apk/res/android
39 |
40 |
41 |
42 |
43 |
44 |
45 |
46 |
47 | .*:name
48 |
49 | http://schemas.android.com/apk/res/android
50 |
51 |
52 |
53 |
54 |
55 |
56 |
57 |
58 | name
59 |
60 | ^$
61 |
62 |
63 |
64 |
65 |
66 |
67 |
68 |
69 | style
70 |
71 | ^$
72 |
73 |
74 |
75 |
76 |
77 |
78 |
79 |
80 | .*
81 |
82 | ^$
83 |
84 |
85 | BY_NAME
86 |
87 |
88 |
89 |
90 |
91 |
92 | .*
93 |
94 | http://schemas.android.com/apk/res/android
95 |
96 |
97 | ANDROID_ATTRIBUTE_ORDER
98 |
99 |
100 |
101 |
102 |
103 |
104 | .*
105 |
106 | .*
107 |
108 |
109 | BY_NAME
110 |
111 |
112 |
113 |
114 |
115 |
116 |
--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env sh
2 |
3 | #
4 | # Copyright 2015 the original author or authors.
5 | #
6 | # Licensed under the Apache License, Version 2.0 (the "License");
7 | # you may not use this file except in compliance with the License.
8 | # You may obtain a copy of the License at
9 | #
10 | # https://www.apache.org/licenses/LICENSE-2.0
11 | #
12 | # Unless required by applicable law or agreed to in writing, software
13 | # distributed under the License is distributed on an "AS IS" BASIS,
14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 | # See the License for the specific language governing permissions and
16 | # limitations under the License.
17 | #
18 |
19 | ##############################################################################
20 | ##
21 | ## Gradle start up script for UN*X
22 | ##
23 | ##############################################################################
24 |
25 | # Attempt to set APP_HOME
26 | # Resolve links: $0 may be a link
27 | PRG="$0"
28 | # Need this for relative symlinks.
29 | while [ -h "$PRG" ] ; do
30 | ls=`ls -ld "$PRG"`
31 | link=`expr "$ls" : '.*-> \(.*\)$'`
32 | if expr "$link" : '/.*' > /dev/null; then
33 | PRG="$link"
34 | else
35 | PRG=`dirname "$PRG"`"/$link"
36 | fi
37 | done
38 | SAVED="`pwd`"
39 | cd "`dirname \"$PRG\"`/" >/dev/null
40 | APP_HOME="`pwd -P`"
41 | cd "$SAVED" >/dev/null
42 |
43 | APP_NAME="Gradle"
44 | APP_BASE_NAME=`basename "$0"`
45 |
46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
48 |
49 | # Use the maximum available, or set MAX_FD != -1 to use that value.
50 | MAX_FD="maximum"
51 |
52 | warn () {
53 | echo "$*"
54 | }
55 |
56 | die () {
57 | echo
58 | echo "$*"
59 | echo
60 | exit 1
61 | }
62 |
63 | # OS specific support (must be 'true' or 'false').
64 | cygwin=false
65 | msys=false
66 | darwin=false
67 | nonstop=false
68 | case "`uname`" in
69 | CYGWIN* )
70 | cygwin=true
71 | ;;
72 | Darwin* )
73 | darwin=true
74 | ;;
75 | MINGW* )
76 | msys=true
77 | ;;
78 | NONSTOP* )
79 | nonstop=true
80 | ;;
81 | esac
82 |
83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
84 |
85 |
86 | # Determine the Java command to use to start the JVM.
87 | if [ -n "$JAVA_HOME" ] ; then
88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
89 | # IBM's JDK on AIX uses strange locations for the executables
90 | JAVACMD="$JAVA_HOME/jre/sh/java"
91 | else
92 | JAVACMD="$JAVA_HOME/bin/java"
93 | fi
94 | if [ ! -x "$JAVACMD" ] ; then
95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
96 |
97 | Please set the JAVA_HOME variable in your environment to match the
98 | location of your Java installation."
99 | fi
100 | else
101 | JAVACMD="java"
102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
103 |
104 | Please set the JAVA_HOME variable in your environment to match the
105 | location of your Java installation."
106 | fi
107 |
108 | # Increase the maximum file descriptors if we can.
109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
110 | MAX_FD_LIMIT=`ulimit -H -n`
111 | if [ $? -eq 0 ] ; then
112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
113 | MAX_FD="$MAX_FD_LIMIT"
114 | fi
115 | ulimit -n $MAX_FD
116 | if [ $? -ne 0 ] ; then
117 | warn "Could not set maximum file descriptor limit: $MAX_FD"
118 | fi
119 | else
120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
121 | fi
122 | fi
123 |
124 | # For Darwin, add options to specify how the application appears in the dock
125 | if $darwin; then
126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
127 | fi
128 |
129 | # For Cygwin or MSYS, switch paths to Windows format before running java
130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
133 |
134 | JAVACMD=`cygpath --unix "$JAVACMD"`
135 |
136 | # We build the pattern for arguments to be converted via cygpath
137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
138 | SEP=""
139 | for dir in $ROOTDIRSRAW ; do
140 | ROOTDIRS="$ROOTDIRS$SEP$dir"
141 | SEP="|"
142 | done
143 | OURCYGPATTERN="(^($ROOTDIRS))"
144 | # Add a user-defined pattern to the cygpath arguments
145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
147 | fi
148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
149 | i=0
150 | for arg in "$@" ; do
151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
153 |
154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
156 | else
157 | eval `echo args$i`="\"$arg\""
158 | fi
159 | i=`expr $i + 1`
160 | done
161 | case $i in
162 | 0) set -- ;;
163 | 1) set -- "$args0" ;;
164 | 2) set -- "$args0" "$args1" ;;
165 | 3) set -- "$args0" "$args1" "$args2" ;;
166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
172 | esac
173 | fi
174 |
175 | # Escape application args
176 | save () {
177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
178 | echo " "
179 | }
180 | APP_ARGS=`save "$@"`
181 |
182 | # Collect all arguments for the java command, following the shell quoting and substitution rules
183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
184 |
185 | exec "$JAVACMD" "$@"
186 |
--------------------------------------------------------------------------------
/blurry/src/main/java/jp/wasabeef/blurry/Blurry.java:
--------------------------------------------------------------------------------
1 | package jp.wasabeef.blurry;
2 |
3 | import android.content.Context;
4 | import android.graphics.Bitmap;
5 | import android.graphics.drawable.BitmapDrawable;
6 | import android.graphics.drawable.Drawable;
7 | import android.view.View;
8 | import android.view.ViewGroup;
9 | import android.widget.ImageView;
10 |
11 | /**
12 | * Copyright (C) 2020 Wasabeef
13 | *
14 | * Licensed under the Apache License, Version 2.0 (the "License");
15 | * you may not use this file except in compliance with the License.
16 | * You may obtain a copy of the License at
17 | *
19 | * Licensed under the Apache License, Version 2.0 (the "License");
20 | * you may not use this file except in compliance with the License.
21 | * You may obtain a copy of the License at
22 | *
25 | * Unless required by applicable law or agreed to in writing, software
26 | * distributed under the License is distributed on an "AS IS" BASIS,
27 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
28 | * See the License for the specific language governing permissions and
29 | * limitations under the License.
30 | */
31 |
32 | class Blur {
33 |
34 | public static Bitmap of(View view, BlurFactor factor) {
35 | view.setDrawingCacheEnabled(true);
36 | view.destroyDrawingCache();
37 | view.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_LOW);
38 | Bitmap cache = view.getDrawingCache();
39 | Bitmap bitmap = of(view.getContext(), cache, factor);
40 | cache.recycle();
41 | return bitmap;
42 | }
43 |
44 | public static Bitmap of(Context context, Bitmap source, BlurFactor factor) {
45 | int width = factor.width / factor.sampling;
46 | int height = factor.height / factor.sampling;
47 |
48 | if (Helper.hasZero(width, height)) {
49 | return null;
50 | }
51 |
52 | Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
53 |
54 | Canvas canvas = new Canvas(bitmap);
55 | canvas.scale(1 / (float) factor.sampling, 1 / (float) factor.sampling);
56 | Paint paint = new Paint();
57 | paint.setFlags(Paint.FILTER_BITMAP_FLAG | Paint.ANTI_ALIAS_FLAG);
58 | PorterDuffColorFilter filter =
59 | new PorterDuffColorFilter(factor.color, PorterDuff.Mode.SRC_ATOP);
60 | paint.setColorFilter(filter);
61 | canvas.drawBitmap(source, 0, 0, paint);
62 |
63 | try {
64 | bitmap = Blur.rs(context, bitmap, factor.radius);
65 | } catch (RSRuntimeException e) {
66 | bitmap = Blur.stack(bitmap, factor.radius, true);
67 | }
68 |
69 | if (factor.sampling == BlurFactor.DEFAULT_SAMPLING) {
70 | return bitmap;
71 | } else {
72 | Bitmap scaled = Bitmap.createScaledBitmap(bitmap, factor.width, factor.height, true);
73 | bitmap.recycle();
74 | return scaled;
75 | }
76 | }
77 |
78 | private static Bitmap rs(Context context, Bitmap bitmap, int radius) throws RSRuntimeException {
79 | RenderScript rs = null;
80 | Allocation input = null;
81 | Allocation output = null;
82 | ScriptIntrinsicBlur blur = null;
83 | try {
84 | rs = RenderScript.create(context);
85 | rs.setMessageHandler(new RenderScript.RSMessageHandler());
86 | input = Allocation.createFromBitmap(rs, bitmap, Allocation.MipmapControl.MIPMAP_NONE,
87 | Allocation.USAGE_SCRIPT);
88 | output = Allocation.createTyped(rs, input.getType());
89 | blur = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
90 |
91 | blur.setInput(input);
92 | blur.setRadius(radius);
93 | blur.forEach(output);
94 | output.copyTo(bitmap);
95 | } finally {
96 | if (rs != null) {
97 | rs.destroy();
98 | }
99 | if (input != null) {
100 | input.destroy();
101 | }
102 | if (output != null) {
103 | output.destroy();
104 | }
105 | if (blur != null) {
106 | blur.destroy();
107 | }
108 | }
109 |
110 | return bitmap;
111 | }
112 |
113 | private static Bitmap stack(Bitmap sentBitmap, int radius, boolean canReuseInBitmap) {
114 |
115 | // Stack Blur v1.0 from
116 | // http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
117 | //
118 | // Java Author: Mario Klingemann
119 | // http://incubator.quasimondo.com
120 | // created Feburary 29, 2004
121 | // Android port : Yahel Bouaziz
122 | // http://www.kayenko.com
123 | // ported april 5th, 2012
124 |
125 | // This is a compromise between Gaussian Blur and Box blur
126 | // It creates much better looking blurs than Box Blur, but is
127 | // 7x faster than my Gaussian Blur implementation.
128 | //
129 | // I called it Stack Blur because this describes best how this
130 | // filter works internally: it creates a kind of moving stack
131 | // of colors whilst scanning through the image. Thereby it
132 | // just has to add one new block of color to the right side
133 | // of the stack and remove the leftmost color. The remaining
134 | // colors on the topmost layer of the stack are either added on
135 | // or reduced by one, depending on if they are on the right or
136 | // on the left side of the stack.
137 | //
138 | // If you are using this algorithm in your code please add
139 | // the following line:
140 | //
141 | // Stack Blur Algorithm by Mario Klingemann
142 |
143 | Bitmap bitmap;
144 | if (canReuseInBitmap) {
145 | bitmap = sentBitmap;
146 | } else {
147 | bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
148 | }
149 |
150 | if (radius < 1) {
151 | return (null);
152 | }
153 |
154 | int w = bitmap.getWidth();
155 | int h = bitmap.getHeight();
156 |
157 | int[] pix = new int[w * h];
158 | bitmap.getPixels(pix, 0, w, 0, 0, w, h);
159 |
160 | int wm = w - 1;
161 | int hm = h - 1;
162 | int wh = w * h;
163 | int div = radius + radius + 1;
164 |
165 | int[] r = new int[wh];
166 | int[] g = new int[wh];
167 | int[] b = new int[wh];
168 | int rsum, gsum, bsum, x, y, i, p, yp, yi, yw;
169 | int[] vmin = new int[Math.max(w, h)];
170 |
171 | int divsum = (div + 1) >> 1;
172 | divsum *= divsum;
173 | int[] dv = new int[256 * divsum];
174 | for (i = 0; i < 256 * divsum; i++) {
175 | dv[i] = (i / divsum);
176 | }
177 |
178 | yw = yi = 0;
179 |
180 | int[][] stack = new int[div][3];
181 | int stackpointer;
182 | int stackstart;
183 | int[] sir;
184 | int rbs;
185 | int r1 = radius + 1;
186 | int routsum, goutsum, boutsum;
187 | int rinsum, ginsum, binsum;
188 |
189 | for (y = 0; y < h; y++) {
190 | rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
191 | for (i = -radius; i <= radius; i++) {
192 | p = pix[yi + Math.min(wm, Math.max(i, 0))];
193 | sir = stack[i + radius];
194 | sir[0] = (p & 0xff0000) >> 16;
195 | sir[1] = (p & 0x00ff00) >> 8;
196 | sir[2] = (p & 0x0000ff);
197 | rbs = r1 - Math.abs(i);
198 | rsum += sir[0] * rbs;
199 | gsum += sir[1] * rbs;
200 | bsum += sir[2] * rbs;
201 | if (i > 0) {
202 | rinsum += sir[0];
203 | ginsum += sir[1];
204 | binsum += sir[2];
205 | } else {
206 | routsum += sir[0];
207 | goutsum += sir[1];
208 | boutsum += sir[2];
209 | }
210 | }
211 | stackpointer = radius;
212 |
213 | for (x = 0; x < w; x++) {
214 |
215 | r[yi] = dv[rsum];
216 | g[yi] = dv[gsum];
217 | b[yi] = dv[bsum];
218 |
219 | rsum -= routsum;
220 | gsum -= goutsum;
221 | bsum -= boutsum;
222 |
223 | stackstart = stackpointer - radius + div;
224 | sir = stack[stackstart % div];
225 |
226 | routsum -= sir[0];
227 | goutsum -= sir[1];
228 | boutsum -= sir[2];
229 |
230 | if (y == 0) {
231 | vmin[x] = Math.min(x + radius + 1, wm);
232 | }
233 | p = pix[yw + vmin[x]];
234 |
235 | sir[0] = (p & 0xff0000) >> 16;
236 | sir[1] = (p & 0x00ff00) >> 8;
237 | sir[2] = (p & 0x0000ff);
238 |
239 | rinsum += sir[0];
240 | ginsum += sir[1];
241 | binsum += sir[2];
242 |
243 | rsum += rinsum;
244 | gsum += ginsum;
245 | bsum += binsum;
246 |
247 | stackpointer = (stackpointer + 1) % div;
248 | sir = stack[(stackpointer) % div];
249 |
250 | routsum += sir[0];
251 | goutsum += sir[1];
252 | boutsum += sir[2];
253 |
254 | rinsum -= sir[0];
255 | ginsum -= sir[1];
256 | binsum -= sir[2];
257 |
258 | yi++;
259 | }
260 | yw += w;
261 | }
262 | for (x = 0; x < w; x++) {
263 | rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
264 | yp = -radius * w;
265 | for (i = -radius; i <= radius; i++) {
266 | yi = Math.max(0, yp) + x;
267 |
268 | sir = stack[i + radius];
269 |
270 | sir[0] = r[yi];
271 | sir[1] = g[yi];
272 | sir[2] = b[yi];
273 |
274 | rbs = r1 - Math.abs(i);
275 |
276 | rsum += r[yi] * rbs;
277 | gsum += g[yi] * rbs;
278 | bsum += b[yi] * rbs;
279 |
280 | if (i > 0) {
281 | rinsum += sir[0];
282 | ginsum += sir[1];
283 | binsum += sir[2];
284 | } else {
285 | routsum += sir[0];
286 | goutsum += sir[1];
287 | boutsum += sir[2];
288 | }
289 |
290 | if (i < hm) {
291 | yp += w;
292 | }
293 | }
294 | yi = x;
295 | stackpointer = radius;
296 | for (y = 0; y < h; y++) {
297 | // Preserve alpha channel: ( 0xff000000 & pix[yi] )
298 | pix[yi] = (0xff000000 & pix[yi]) | (dv[rsum] << 16) | (dv[gsum] << 8) | dv[bsum];
299 |
300 | rsum -= routsum;
301 | gsum -= goutsum;
302 | bsum -= boutsum;
303 |
304 | stackstart = stackpointer - radius + div;
305 | sir = stack[stackstart % div];
306 |
307 | routsum -= sir[0];
308 | goutsum -= sir[1];
309 | boutsum -= sir[2];
310 |
311 | if (x == 0) {
312 | vmin[y] = Math.min(y + r1, hm) * w;
313 | }
314 | p = x + vmin[y];
315 |
316 | sir[0] = r[p];
317 | sir[1] = g[p];
318 | sir[2] = b[p];
319 |
320 | rinsum += sir[0];
321 | ginsum += sir[1];
322 | binsum += sir[2];
323 |
324 | rsum += rinsum;
325 | gsum += ginsum;
326 | bsum += binsum;
327 |
328 | stackpointer = (stackpointer + 1) % div;
329 | sir = stack[stackpointer];
330 |
331 | routsum += sir[0];
332 | goutsum += sir[1];
333 | boutsum += sir[2];
334 |
335 | rinsum -= sir[0];
336 | ginsum -= sir[1];
337 | binsum -= sir[2];
338 |
339 | yi += w;
340 | }
341 | }
342 |
343 | bitmap.setPixels(pix, 0, w, 0, 0, w, h);
344 |
345 | return (bitmap);
346 | }
347 | }
348 |
--------------------------------------------------------------------------------
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/CHANGELOG.md:
--------------------------------------------------------------------------------
1 | Change Log
2 | ==========
3 |
4 | Version 4.0.1 *(2021-12-13)*
5 | ----------------------------
6 |
7 | Fix:
8 | - Calling RS with no Context active [#103](https://github.com/wasabeef/Blurry/issues/103)
9 |
10 | Version 4.0.0 *(2020-09-28)*
11 | ----------------------------
12 |
13 | Update
14 | - Compile & Target SDK Version 28 -> 30
15 | - minSdkVersion -> 21
16 |
17 | Feature
18 | - [NEW] Get the bitmap directly.
19 | - `Blurry#get`, `Blurry#getAsync`
20 | - [BREAKING CHANGES] Remove `async(ImageComposerListener)`. Use getAsync(BlurTask.Callback) instead that.
21 |
22 | Version 3.0.0 *(2018-11-19)*
23 | ----------------------------
24 |
25 | Update:
26 | - Migrate to AndroidX
27 | - Remove novoda-bintray-plugin
28 | - Fix some bugs
29 |
30 | Version 2.1.1 *(2017-03-21)*
31 | ----------------------------
32 |
33 | Update:
34 | - Support Library 24.2.0 -> 25.3.0
35 |
36 | Bug Fix:
37 | - [Destroy Allocation and ScriptInstrinsicBlur objects to prevent memory leaks #51](https://github.com/wasabeef/Blurry/pull/51)
38 |
39 |
40 | Version 2.1.0 *(2016-12-20)*
41 | ----------------------------
42 |
43 | Update:
44 | - Build Tools 24.0.2 -> 25.0.2
45 | - Support Library 23.4.0 -> 24.2.0
46 |
47 | PR:
48 | - [#44](https://github.com/wasabeef/Blurry/pull/44) Implement BitmapComposer
49 |
50 |
51 | Version 2.0.3 *(2016-08-04)*
52 | ----------------------------
53 |
54 | Update:
55 | - Build Tools 23.0.1 -> 24.0.2
56 | - Support Library 23.0.1 -> 23.4.0
57 |
58 | Version 2.0.2 *(2016-04-21)*
59 | ----------------------------
60 |
61 | Fix Fatal Signal
62 |
63 | Version 2.0.1 *(2016-04-21)*
64 | ----------------------------
65 |
66 | Fix RSInvalidStateException.
67 |
68 | Version 2.0.0 *(2016-03-02)*
69 | ----------------------------
70 |
71 | Say v8.RenderScript goodbye
72 |
73 | Version 1.1.0 *(2016-02-28)*
74 | ----------------------------
75 |
76 | PR: [#21](https://github.com/wasabeef/Blurry/pull/21) Use FastBlur as a fallback upon RenderScript failure.
77 | fix Issue [#16](https://github.com/wasabeef/Blurry/issues/16)
78 | PR: [#18](https://github.com/wasabeef/Blurry/pull/18) Added optional listener.
79 |
80 | Version 1.0.5 *(2015-11-27)*
81 | ----------------------------
82 |
83 | Change the renderscriptTargetApi down to 20.
84 | Warning:Renderscript support mode is not currently supported with renderscript target 21+
85 |
86 | Version 1.0.4 *(2015-09-07)*
87 | ----------------------------
88 |
89 | fix leak code.
90 |
91 | Version 1.0.3 *(2015-09-04)*
92 | ----------------------------
93 |
94 | fix [#2](https://github.com/wasabeef/Blurry/issues/5) renderscript in build-tools.
95 |
96 | Version 1.0.2 *(2015-09-02)*
97 | ----------------------------
98 |
99 | Replace AsyncTask.
100 |
101 | Version 1.0.1 *(2015-08-26)*
102 | ----------------------------
103 |
104 | fix [#5](https://github.com/wasabeef/Blurry/issues/5) throws RuntimeException.
105 |
106 |
107 | Version 1.0.0 *(2015-07-28)*
108 | ----------------------------
109 |
110 | Refactor delete method.
111 | Added Animation.
112 |
113 | Version 0.0.3 *(2015-07-25)*
114 | ----------------------------
115 |
116 | Asynchronous Support.
117 |
118 | Version 0.0.2 *(2015-07-25)*
119 | ----------------------------
120 |
121 | Refactor.
122 |
123 | Version 0.0.1 *(2015-07-24)*
124 | ----------------------------
125 |
126 | Initial release.
127 |
--------------------------------------------------------------------------------
/.idea/codeStyles/Project.xml:
--------------------------------------------------------------------------------
1 |