/**
* 变化Item的灰度值
* @param child 需要设置灰度值的Item
* @param frame 位置信息
*/
private void greyItem(View child,Rect frame) {
float value = computeGreyScale(frame.left - mOffsetAll);
ColorMatrix cm = new ColorMatrix(new float[]{
value,120*(1-value),value,1,250*(1-value),});
// cm.setSaturation(0.9f);
// Create a paint object with color matrix
Paint greyPaint = new Paint();
greyPaint.setColorFilter(new ColorMatrixColorFilter(cm));
// Create a hardware layer with the grey paint
child.setLayerType(View.LAYER_TYPE_HARDWARE,greyPaint);
if (value >= 1) {
// Remove the hardware layer
child.setLayerType(View.LAYER_TYPE_NONE,null);
}
}
项目：Mu-Retargeter-1.0
文件：ColorPickerDialog.java
private int rotateColor(int color,float rad) {
float deg = rad * 180 / 3.1415927f;
int r = Color.red(color);
int g = Color.green(color);
int b = Color.blue(color);
ColorMatrix cm = new ColorMatrix();
ColorMatrix tmp = new ColorMatrix();
cm.setRGB2YUV();
tmp.setRotate(0,deg);
cm.postConcat(tmp);
tmp.setYUV2RGB();
cm.postConcat(tmp);
final float[] a = cm.getArray();
int ir = floatToByte(a[0] * r + a[1] * g + a[2] * b);
int ig = floatToByte(a[5] * r + a[6] * g + a[7] * b);
int ib = floatToByte(a[10] * r + a[11] * g + a[12] * b);
return Color.argb(Color.alpha(color),pinToByte(ir),pinToByte(ig),pinToByte(ib));
}
项目：GitHub
文件：PageWidget.java
public PageWidget(Context context,String bookId,List<BookMixAToc.mixToc.Chapters> chaptersList,OnReadStatechangelistener listener) {
super(context,bookId,chaptersList,listener);
mPath0 = new Path();
mPath1 = new Path();
mMaxLength = (float) Math.hypot(mScreenWidth,mScreenHeight);
mPaint = new Paint();
mPaint.setStyle(Paint.Style.FILL);
createDrawable();
ColorMatrix cm = new ColorMatrix();//设置颜色数组
float array[] = {0.55f,80.0f,0.55f,0.2f,0};
cm.set(array);
mColorMatrixFilter = new ColorMatrixColorFilter(cm);
mMatrix = new Matrix();
mTouch.x = 0.01f; // 不让x,y为0,否则在点计算时会有问题
mTouch.y = 0.01f;
}
项目：GitHub
文件：UberColorPickerDialog.java
/**
* Keep all colorspace representations in sync.
*/
private void updateYUVfromrGB() {
float r = mRGB[0] / 255.0f;
float g = mRGB[1] / 255.0f;
float b = mRGB[2] / 255.0f;
ColorMatrix cm = new ColorMatrix();
cm.setRGB2YUV();
final float[] a = cm.getArray();
mYUV[0] = a[0] * r + a[1] * g + a[2] * b;
mYUV[0] = pinToUnit(mYUV[0]);
mYUV[1] = a[5] * r + a[6] * g + a[7] * b;
mYUV[1] = pin(mYUV[1],-.5f,.5f);
mYUV[2] = a[10] * r + a[11] * g + a[12] * b;
mYUV[2] = pin(mYUV[2],.5f);
}
项目：FriskyImage
文件：FriskyImageProperty.java
public static Bitmap FriskyEnhanceImage(Bitmap mBitmap,float contrast,float brightness) {
ColorMatrix cm = new ColorMatrix(new float[]
{
contrast,brightness,contrast,0
});
Bitmap BrightedImage = Bitmap.createBitmap(mBitmap.getWidth(),mBitmap.getHeight(),mBitmap
.getConfig());
Canvas canvas = new Canvas(BrightedImage);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(cm));
canvas.drawBitmap(mBitmap,paint);
return BrightedImage;
}
项目：FriskyImage
文件：FriskyImageProperty.java
public static Bitmap FriskyContrast(Bitmap bitmap,int Value)
{
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.set(new float[] {
Value,Value,0 });
Bitmap BrightedImage = Bitmap.createBitmap(bitmap.getWidth(),bitmap.getHeight(),bitmap
.getConfig());
Canvas canvas = new Canvas(BrightedImage);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
canvas.drawBitmap(bitmap,paint);
return BrightedImage;
}
项目：FriskyImage
文件：FriskyImageProperty.java
public static Bitmap FriskyBright(Bitmap mBitmap,int fb) {
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.set(new float[] {
1,fb,0 });
Bitmap BrightedImage = Bitmap.createBitmap(mBitmap.getWidth(),mBitmap
.getConfig());
Canvas canvas = new Canvas(BrightedImage);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
canvas.drawBitmap(mBitmap,paint);
return BrightedImage;
}
项目：LaunchEnr
文件：DragView.java
private void animateFilterTo(float[] targetFilter) {
float[] oldFilter = mCurrentFilter == null ? new ColorMatrix().getArray() : mCurrentFilter;
mCurrentFilter = Arrays.copyOf(oldFilter,oldFilter.length);
if (mFilteranimator != null) {
mFilteranimator.cancel();
}
mFilteranimator = ValueAnimator.ofObject(new FloatArrayEvaluator(mCurrentFilter),oldFilter,targetFilter);
mFilteranimator.setDuration(COLOR_CHANGE_DURATION);
mFilteranimator.addUpdateListener(new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mPaint.setColorFilter(new ColorMatrixColorFilter(mCurrentFilter));
invalidate();
}
});
mFilteranimator.start();
}
项目：FriendBook
文件：SimulationPageAnim.java
public SimulationPageAnim(int w,int h,View view,OnPagechangelistener listener) {
super(w,h,view,mScreenHeight);
mPaint = new Paint();
mPaint.setStyle(Paint.Style.FILL);
createDrawable();
ColorMatrix cm = new ColorMatrix();//设置颜色数组
float array[] = { 1,0 };
cm.set(array);
mColorMatrixFilter = new ColorMatrixColorFilter(cm);
mMatrix = new Matrix();
mTouchX = 0.01f; // 不让x,否则在点计算时会有问题
mTouchY = 0.01f;
}
项目：Bridge
文件：ChooserItemViewHolder.java
private void checkSelected() {
boolean selected = BridgeSettings.isActivityForward(getData().activityInfo.name);
itemView.setSelected(selected);
if (!selected) {
if (filter.get() == null) {
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
ColorMatrixColorFilter grayColorFilter = new ColorMatrixColorFilter(cm);
filter = new WeakReference<>(grayColorFilter);
}
icon.setColorFilter(filter.get());
} else {
icon.setColorFilter(null);
}
}
项目：BBSSDK-for-Android
文件：ImageUtils.java
/**
* 转为灰度图片
*
* @param src 源图片
* @param recycle 是否回收
* @return 灰度图
*/
public static Bitmap toGray(final Bitmap src,final boolean recycle) {
if (isEmptyBitmap(src)) {
return null;
}
Bitmap ret = Bitmap.createBitmap(src.getWidth(),src.getHeight(),src.getConfig());
Canvas canvas = new Canvas(ret);
Paint paint = new Paint();
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(0);
ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(colorMatrix);
paint.setColorFilter(colorMatrixColorFilter);
canvas.drawBitmap(src,paint);
if (recycle && !src.isRecycled()) {
src.recycle();
}
return ret;
}
项目：XFrame
文件：XBitmapUtils.java
/**
* 饱和度处理
*
* @param bitmap 原图
* @param saturationValue 新的饱和度值
* @return 改变了饱和度值之后的图片
*/
public static Bitmap saturation(Bitmap bitmap,int saturationValue) {
// 计算出符合要求的饱和度值
float newSaturationValue = saturationValue * 1.0F / 127;
// 创建一个颜色矩阵
ColorMatrix saturationColorMatrix = new ColorMatrix();
// 设置饱和度值
saturationColorMatrix.setSaturation(newSaturationValue);
// 创建一个画笔并设置其颜色过滤器
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(saturationColorMatrix));
// 创建一个新的图片并创建画布
Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(),Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
// 将原图使用给定的画笔画到画布上
canvas.drawBitmap(bitmap,paint);
return newBitmap;
}
项目：XFrame
文件：XBitmapUtils.java
/**
* 亮度处理
*
* @param bitmap 原图
* @param lumValue 新的亮度值
* @return 改变了亮度值之后的图片
*/
public static Bitmap lum(Bitmap bitmap,int lumValue) {
// 计算出符合要求的亮度值
float newlumValue = lumValue * 1.0F / 127;
// 创建一个颜色矩阵
ColorMatrix lumColorMatrix = new ColorMatrix();
// 设置亮度值
lumColorMatrix.setScale(newlumValue,newlumValue,1);
// 创建一个画笔并设置其颜色过滤器
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(lumColorMatrix));
// 创建一个新的图片并创建画布
Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(),paint);
return newBitmap;
}
项目：XFrame
文件：XBitmapUtils.java
/**
* 色相处理
*
* @param bitmap 原图
* @param hueValue 新的色相值
* @return 改变了色相值之后的图片
*/
public static Bitmap hue(Bitmap bitmap,int hueValue) {
// 计算出符合要求的色相值
float newHueValue = (hueValue - 127) * 1.0F / 127 * 180;
// 创建一个颜色矩阵
ColorMatrix hueColorMatrix = new ColorMatrix();
// 控制让红色区在色轮上旋转的角度
hueColorMatrix.setRotate(0,newHueValue);
// 控制让绿红色区在色轮上旋转的角度
hueColorMatrix.setRotate(1,newHueValue);
// 控制让蓝色区在色轮上旋转的角度
hueColorMatrix.setRotate(2,newHueValue);
// 创建一个画笔并设置其颜色过滤器
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(hueColorMatrix));
// 创建一个新的图片并创建画布
Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(),paint);
return newBitmap;
}
项目：NovelReader
文件：SimulationPageAnim.java
public SimulationPageAnim(int w,mScreenHeight);
mPaint = new Paint();
mPaint.setStyle(Paint.Style.FILL);
createDrawable();
ColorMatrix cm = new ColorMatrix();//设置颜色数组
float array[] = { 1,否则在点计算时会有问题
mTouchY = 0.01f;
}
private void otherInit() {
// Other initialization
mBlackPaint = new Paint();
mBlackPaint.setColor(0xff000000);
mMaskedPaint = new Paint();
mMaskedPaint
.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
// Always want a cache allocated.
mCacheBitmap = Bitmap.createBitmap(1,Bitmap.Config.ARGB_8888);
if (mDesaturateOnPress) {
// Create a desaturate color filter for pressed state.
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
mDesaturateColorFilter = new ColorMatrixColorFilter(cm);
}
}
项目：Glide-transformations
文件：GrayscaleTransformation.java
@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource,int outWidth,int outHeight) {
Bitmap source = resource.get();
int width = source.getWidth();
int height = source.getHeight();
Bitmap.Config config =
source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
Bitmap bitmap = mBitmapPool.get(width,height,config);
if (bitmap == null) {
bitmap = Bitmap.createBitmap(width,config);
}
Canvas canvas = new Canvas(bitmap);
ColorMatrix saturation = new ColorMatrix();
saturation.setSaturation(0f);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(saturation));
canvas.drawBitmap(source,paint);
return BitmapResource.obtain(bitmap,mBitmapPool);
}
项目：LJFramework
文件：ImageUtils.java
/**
* 转为灰度图片
*
* @param src 源图片
* @param recycle 是否回收
* @return 灰度图
*/
public static Bitmap toGray(Bitmap src,boolean recycle) {
if (isEmptyBitmap(src)) {
return null;
}
Bitmap grayBitmap = Bitmap.createBitmap(src.getWidth(),src
.getHeight(),Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(grayBitmap);
Paint paint = new Paint();
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(0);
ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(colorMatrix);
paint.setColorFilter(colorMatrixColorFilter);
canvas.drawBitmap(src,paint);
if (recycle && !src.isRecycled()) {
src.recycle();
}
return grayBitmap;
}
项目：buildAPKsSamples
文件：FoldingLayoutActivity.java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fold);
mImageView = (ImageView)findViewById(R.id.image_view);
mImageView.setPadding(ANTIALIAS_PADDING,ANTIALIAS_PADDING,ANTIALIAS_PADDING);
mImageView.setScaleType(ImageView.ScaleType.FIT_XY);
mImageView.setimageDrawable(getResources().getDrawable(R.drawable.image));
mTextureView = new TextureView(this);
mTextureView.setSurfaceTextureListener(mSurfaceTextureListener);
mAnchorSeekBar = (SeekBar)findViewById(R.id.anchor_seek_bar);
mFoldLayout = (FoldingLayout)findViewById(R.id.fold_view);
mFoldLayout.setBackgroundColor(Color.BLACK);
mFoldLayout.setFoldListener(mOnFoldListener);
mTouchSlop = ViewConfiguration.get(this).getScaledTouchSlop();
mAnchorSeekBar.setonSeekBarchangelistener(mSeekBarchangelistener);
mScrollGestureDetector = new GestureDetector(this,new ScrollGestureDetector());
mItemSelectedListener = new ItemSelectedListener();
mDefaultPaint = new Paint();
mSepiaPaint = new Paint();
ColorMatrix m1 = new ColorMatrix();
ColorMatrix m2 = new ColorMatrix();
m1.setSaturation(0);
m2.setScale(1f,.95f,.82f,1.0f);
m1.setConcat(m2,m1);
mSepiaPaint.setColorFilter(new ColorMatrixColorFilter(m1));
}
项目：EditPhoto
文件：Utils.java
static Bitmap contrastBitmap(Bitmap bitmap,float contrast) {
float[] colorTransform = new float[]{
contrast,0};
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(0f);
colorMatrix.set(colorTransform);
ColorMatrixColorFilter colorFilter = new ColorMatrixColorFilter(colorMatrix);
Paint paint = new Paint();
paint.setColorFilter(colorFilter);
Bitmap resultBitmap = bitmap.copy(Bitmap.Config.ARGB_8888,true);
Canvas canvas = new Canvas(resultBitmap);
canvas.drawBitmap(resultBitmap,paint);
return resultBitmap;
}
项目：EditPhoto
文件：Utils.java
public static Bitmap brightBitmap(Bitmap bitmap,int brightness) {
float[] colorTransform = {
1,0};
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(0f);
colorMatrix.set(colorTransform);
ColorMatrixColorFilter colorFilter = new ColorMatrixColorFilter(colorMatrix);
Paint paint = new Paint();
paint.setColorFilter(colorFilter);
Bitmap resultBitmap = bitmap.copy(Bitmap.Config.ARGB_8888,paint);
return resultBitmap;
}
项目：EditPhoto
文件：Utils.java
public static Bitmap contrastBitmap(Bitmap bitmap,int contrast) {
float[] colorTransform = {
contrast,paint);
return resultBitmap;
}
项目：EditPhoto
文件：Utils.java
static Bitmap brightBitmap(Bitmap bitmap,float brightness) {
float[] colorTransform = {
1,paint);
return resultBitmap;
}
项目：TextReader
文件：PageWidget.java
public PageWidget(Context context,否则在点计算时会有问题
mTouch.y = 0.01f;
}
项目：BookReader-master
文件：PageWidget.java
public PageWidget(Context context,否则在点计算时会有问题
mTouch.y = 0.01f;
}
项目：HumanBody
文件：IosButton.java
/**
* 传入改变亮度前的bitmap，返回改变亮度后的bitmap
* @author leibing
* @createTime 2016/12/30
* @lastModify 2016/12/30
* @param srcBitmap
* @return
*/
@SuppressWarnings("deprecation")
public Drawable changeBrightnessBitmap(Bitmap srcBitmap){
Bitmap bmp = Bitmap.createBitmap(srcBitmap.getWidth(),srcBitmap.getHeight(),Config.ARGB_8888);
int brightness = 60 - 127;
ColorMatrix cMatrix = new ColorMatrix();
// 改变亮度
cMatrix.set(new float[] { 1,0 });
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(cMatrix));
Canvas canvas = new Canvas(bmp);
// 在Canvas上绘制一个Bitmap
canvas.drawBitmap(srcBitmap,paint);
return new BitmapDrawable(bmp);
}
项目：android-study
文件：ImageHelper.java
public static Bitmap handleImageGrayEffect(Bitmap bitmap) {
Bitmap bmp =
Bitmap.createBitmap(bitmap.getWidth(),Bitmap.Config.ARGB_8888);
float[] colorMatrixValue = new float[] {
0.33f,0.59f,0.11f,0.33f,0
};
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.set(colorMatrixValue);
Canvas canvas = new Canvas(bmp);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
canvas.drawBitmap(bitmap,paint);
return bmp;
}
项目：android-study
文件：ImageHelper.java
public static Bitmap handleImageHighSaturationEffect(Bitmap bitmap) {
Bitmap bmp =
Bitmap.createBitmap(bitmap.getWidth(),Bitmap.Config.ARGB_8888);
float[] colorMatrixValue = new float[] {
1.438f,-0.122f,-0.016f,-0.03f,-0.062f,1.378f,0.05f,1.483f,-0.02f,paint);
return bmp;
}
public static Bitmap handleImageEffect(Bitmap bm,float lum) {
Bitmap bmp = Bitmap.createBitmap(bm.getWidth(),bm.getHeight(),Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bmp);
Paint paint = new Paint();
ColorMatrix lumMatrix = new ColorMatrix();
lumMatrix.setScale(lum,lum,1);
ColorMatrix imageMatrix = new ColorMatrix();
imageMatrix.postConcat(lumMatrix);
paint.setColorFilter(new ColorMatrixColorFilter(imageMatrix));
canvas.drawBitmap(bm,paint);
return bmp;
}
项目：FlickLauncher
文件：DragView.java
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void animateFilterTo(float[] targetFilter) {
float[] oldFilter = mCurrentFilter == null ? new ColorMatrix().getArray() : mCurrentFilter;
mCurrentFilter = Arrays.copyOf(oldFilter,targetFilter);
mFilteranimator.setDuration(COLOR_CHANGE_DURATION);
mFilteranimator.addUpdateListener(new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mPaint.setColorFilter(new ColorMatrixColorFilter(mCurrentFilter));
invalidate();
}
});
mFilteranimator.start();
}
项目：aos-MediaLib
文件：Utils.java
public static void setBackground(View v,Bitmap bm) {
if (bm == null) {
v.setBackgroundResource(0);
return;
}
int vwidth = v.getWidth()/4;
int vheight = v.getHeight()/4;
int bwidth = bm.getWidth();
int bheight = bm.getHeight();
float scalex = (float) vwidth / bwidth;
float scaley = (float) vheight / bheight;
float scale = Math.max(scalex,scaley) * 1.3f;
Bitmap.Config config = Bitmap.Config.ARGB_8888;
Bitmap bg = Bitmap.createBitmap(vwidth,vheight,config);
Canvas c = new Canvas(bg);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
ColorMatrix greymatrix = new ColorMatrix();
greymatrix.setSaturation(0);
ColorMatrix darkmatrix = new ColorMatrix();
darkmatrix.setScale(1f,1f,.1f);
greymatrix.postConcat(darkmatrix);
ColorFilter filter = new ColorMatrixColorFilter(greymatrix);
paint.setColorFilter(filter);
Matrix matrix = new Matrix();
matrix.setTranslate(-bwidth/2,-bheight/2); // move bitmap center to origin
matrix.postRotate(10);
matrix.postScale(scale,scale);
matrix.postTranslate(vwidth/2,vheight/2); // Move bitmap center to view center
c.drawBitmap(bm,matrix,paint);
v.setBackgroundDrawable(new BitmapDrawable(bg));
}
项目：SimpleUILauncher
文件：DragView.java
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void animateFilterTo(float[] targetFilter) {
float[] oldFilter = mCurrentFilter == null ? new ColorMatrix().getArray() : mCurrentFilter;
mCurrentFilter = Arrays.copyOf(oldFilter,targetFilter);
mFilteranimator.setDuration(COLOR_CHANGE_DURATION);
mFilteranimator.addUpdateListener(new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mPaint.setColorFilter(new ColorMatrixColorFilter(mCurrentFilter));
invalidate();
}
});
mFilteranimator.start();
}
项目：Picasso-transformations
文件：GrayscaleTransformation.java
@Override public Bitmap transform(Bitmap source) {
int width = source.getWidth();
int height = source.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width,Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
ColorMatrix saturation = new ColorMatrix();
saturation.setSaturation(0f);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(saturation));
canvas.drawBitmap(source,paint);
source.recycle();
return bitmap;
}
项目：RLibrary
文件：ResUtil.java
/**
* 设置View的灰度
*/
public static void setGreyscale(View v,boolean greyscale) {
if (greyscale) {
// Create a paint object with 0 saturation (black and white)
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
Paint greyscalePaint = new Paint();
greyscalePaint.setColorFilter(new ColorMatrixColorFilter(cm));
// Create a hardware layer with the greyscale paint
v.setLayerType(LAYER_TYPE_HARDWARE,greyscalePaint);
} else {
// Remove the hardware layer
v.setLayerType(LAYER_TYPE_NONE,null);
}
}
项目：ktball
文件：CommonUtil.java
/**
* 设置Selector。 本次只增加点击变暗的效果，注释的代码为更多的效果
*/
public static StateListDrawable createSLD(Context context,Drawable drawable) {
StateListDrawable bg = new StateListDrawable();
int brightness = 50 - 127;
ColorMatrix cMatrix = new ColorMatrix();
cMatrix.set(new float[]{1,// 改变亮度
0,0});
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(cMatrix));
Drawable normal = drawable;
Drawable pressed = createDrawable(drawable,paint);
bg.addState(new int[]{android.R.attr.state_pressed,},pressed);
bg.addState(new int[]{android.R.attr.state_focused,pressed);
bg.addState(new int[]{android.R.attr.state_selected},pressed);
bg.addState(new int[]{},normal);
return bg;
}
项目：flappy
文件：SelectSceneActivity.java
private Bitmap updateSaturation(Bitmap src,float settingSat) {
int w = src.getWidth();
int h = src.getHeight();
Bitmap bitmapResult =
Bitmap.createBitmap(w,Bitmap.Config.ARGB_8888);
Canvas canvasResult = new Canvas(bitmapResult);
Paint paint = new Paint();
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(settingSat);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
paint.setColorFilter(filter);
canvasResult.drawBitmap(src,paint);
return bitmapResult;
}
项目：permissionsModule
文件：PrintHelperKitkat.java
private Bitmap convertBitmapForColorMode(Bitmap original,int colorMode) {
if (colorMode != COLOR_MODE_MONOCHROME) {
return original;
}
// Create a grayscale bitmap
Bitmap grayscale = Bitmap.createBitmap(original.getWidth(),original.getHeight(),Config.ARGB_8888);
Canvas c = new Canvas(grayscale);
Paint p = new Paint();
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
p.setColorFilter(f);
c.drawBitmap(original,p);
c.setBitmap(null);
return grayscale;
}
项目：Android-Yet-Another-Refresh
文件：BitmapUtil.java
public static Bitmap changeBitmapContrastBrightness(Bitmap bmp,float brightness)
{
ColorMatrix cm = new ColorMatrix(new float[]
{
contrast,0
});
Bitmap ret = Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(),bmp.getConfig());
Canvas canvas = new Canvas(ret);
Paint paint = new Paint();
paint.setColorFilter(new ColorMatrixColorFilter(cm));
canvas.drawBitmap(bmp,paint);
return ret;
}
项目：devbricks
文件：BitmapUtils.java
public static Bitmap createColorFilteredBitmap(Bitmap origBitmap,ColorMatrix cm) {
if (origBitmap == null || cm == null) {
return origBitmap;
}
final int width = origBitmap.getWidth();
final int height = origBitmap.getHeight();
if (width <= 0 || height <= 0) {
return origBitmap;
}
Bitmap filteredBitmap = Bitmap.createBitmap(width,Config.ARGB_8888);
Canvas c = new Canvas(filteredBitmap);
ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
Paint paint = new Paint();
paint.setColorFilter(f);
c.drawBitmap(origBitmap,paint);
return filteredBitmap;
}
项目：aptoide-client
文件：AptoideUtils.java
/**
* Sets a color to a Drawable
*
* @param drawable
* @param color
*/
public static void setDrawableColor(Drawable drawable,int color) {
// Assuming "color" is your target color
float r = Color.red(color) / 255f;
float g = Color.green(color) / 255f;
float b = Color.blue(color) / 255f;
float a = Color.alpha(color) / 255f;
ColorMatrix cm = new ColorMatrix(new float[]{
r,r,//red
g,g,//green
b,b,//blue
1,1 //alpha
});
ColorMatrixColorFilter cf = new ColorMatrixColorFilter(cm);
drawable.setColorFilter(cf);
}
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