2014/10/16 上午 08:11:15

android Programming Glossary: colormatrix

How to change colors of a Drawable in Android?

http://stackoverflow.com/questions/1309629/how-to-change-colors-of-a-drawable-in-android

red green orange etc I'm guessing that I'll want to use a ColorMatrix in some way but I'm not sure how. android share improve this..

Android color picker to be included in the activity

http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity

color int g Color.green color int b Color.blue color ColorMatrix cm new ColorMatrix ColorMatrix tmp new ColorMatrix cm.setRGB2YUV.. color int b Color.blue color ColorMatrix cm new ColorMatrix ColorMatrix tmp new ColorMatrix cm.setRGB2YUV tmp.setRotate.. int b Color.blue color ColorMatrix cm new ColorMatrix ColorMatrix tmp new ColorMatrix cm.setRGB2YUV tmp.setRotate 0 deg cm.postConcat..

Draw in Canvas by finger android

http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android

Drawable => grayscale

http://stackoverflow.com/questions/1793338/drawable-grayscale

share improve this question Apparently you can use the ColorMatrix class to do any sort of color space transformations. It has.. Canvas c new Canvas grayscaleBitmap Paint p new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter.. grayscaleBitmap Paint p new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter filter new ColorMatrixColorFilter..

Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw

the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working.. the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working on a UI for.. becomes After doing some research it appears that the ColorMatrixColorFilter class may do what I need but I can't seem to find..

blur and emboss an image

http://stackoverflow.com/questions/6728860/blur-and-emboss-an-image

Canvas canvas new Canvas bmpSephia Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter.. Canvas bmpSephia Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter f new ColorMatrixColorFilter.. cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter..

Android : Converting color image to grayscale [duplicate]

http://stackoverflow.com/questions/8381514/android-converting-color-image-to-grayscale

Canvas c new Canvas bmpGrayscale Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter.. bmpGrayscale Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter f new ColorMatrixColorFilter.. Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter..

How to change colors of a Drawable in Android?

http://stackoverflow.com/questions/1309629/how-to-change-colors-of-a-drawable-in-android

that source image to create several new Drawables say blue red green orange etc I'm guessing that I'll want to use a ColorMatrix in some way but I'm not sure how. android share improve this question I think you can actually just use Drawable.setColorFilter..

Android color picker to be included in the activity

http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity

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.. 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.. 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..

Draw in Canvas by finger android

http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android

Drawable => grayscale

http://stackoverflow.com/questions/1793338/drawable-grayscale

disabled state EDIT B W grayscale android drawable share improve this question Apparently you can use the ColorMatrix class to do any sort of color space transformations. It has a setSaturation method that easily creates a color to grayscale.. colorBitmap.getWidth colorBitmap.getHeight Bitmap.Config.RGB_565 Canvas c new Canvas grayscaleBitmap Paint p new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter filter new ColorMatrixColorFilter cm p.setColorFilter filter.. colorBitmap.getHeight Bitmap.Config.RGB_565 Canvas c new Canvas grayscaleBitmap Paint p new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter filter new ColorMatrixColorFilter cm p.setColorFilter filter c.drawBitmap colorBitmap..

Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw

the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working on a UI for an app and I'm attempting to use grayscale.. the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working on a UI for an app and I'm attempting to use grayscale icons and allow.. luminosity and only modifies the color of the image. For example becomes After doing some research it appears that the ColorMatrixColorFilter class may do what I need but I can't seem to find any resources pointing to how the matrix is used. It's a 4x5..

blur and emboss an image

http://stackoverflow.com/questions/6728860/blur-and-emboss-an-image

Bitmap.createBitmap width height Bitmap.Config.RGB_565 Canvas canvas new Canvas bmpSephia Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter.. width height Bitmap.Config.RGB_565 Canvas canvas new Canvas bmpSephia Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter f canvas.drawBitmap.. Canvas canvas new Canvas bmpSephia Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setScale .3f .3f .3f 1.0f ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter f canvas.drawBitmap bmpOriginal 0 0 null for int y 1 y height..

Android : Converting color image to grayscale [duplicate]

http://stackoverflow.com/questions/8381514/android-converting-color-image-to-grayscale

Bitmap.createBitmap width height Bitmap.Config.RGB_565 Canvas c new Canvas bmpGrayscale Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter f c.drawBitmap.. width height Bitmap.Config.RGB_565 Canvas c new Canvas bmpGrayscale Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter f c.drawBitmap bmpOriginal.. Canvas c new Canvas bmpGrayscale Paint paint new Paint ColorMatrix cm new ColorMatrix cm.setSaturation 0 ColorMatrixColorFilter f new ColorMatrixColorFilter cm paint.setColorFilter f c.drawBitmap bmpOriginal 0 0 paint return bmpGrayscale..