2014/10/16 上午 08:11:15

android Programming Glossary: color.alpha

Android color picker to be included in the activity

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

i is the index int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int.. int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green.. int ib floatToByte a 10 r a 11 g a 12 b return Color.argb Color.alpha color pinToByte ir pinToByte ig pinToByte ib private static..

Draw in Canvas by finger android

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

Android Null Exception on Calling function

http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function

Faster way to set a (PNG) bitmap color instead of pixel by pixel

http://stackoverflow.com/questions/4251027/faster-way-to-set-a-png-bitmap-color-instead-of-pixel-by-pixel

int alpha for int i 0 i pixels.length i alpha Color.alpha pixels i if alpha 0 pixels i Color.argb alpha red green blue..

android color between two colors, based on percentage?

http://stackoverflow.com/questions/4414673/android-color-between-two-colors-based-on-percentage

this private int getColor int c0 int c1 float p int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int.. getColor int c0 int c1 float p int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green..

Android : Converting color image to grayscale [duplicate]

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

pixel src.getPixel x y retrieve color of all channels A Color.alpha pixel R Color.red pixel G Color.green pixel B Color.blue..

Android color picker to be included in the activity

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

int i int p p i now p is just the fractional part 0...1 and i is the index int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue.. now p is just the fractional part 0...1 and i is the index int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue c0 Color.blue.. 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 private static final float PI 3.1415926f @Override public boolean onTouchEvent..

Draw in Canvas by finger android

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

Android Null Exception on Calling function

http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function

i int p p i now p is just the fractional part 0...1 and i is the index int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue.. now p is just the fractional part 0...1 and i is the index int c0 colors i int c1 colors i 1 int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue c0 Color.blue.. 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 private static final float PI 3.1415926f @Override public boolean onTouchEvent..

Faster way to set a (PNG) bitmap color instead of pixel by pixel

http://stackoverflow.com/questions/4251027/faster-way-to-set-a-png-bitmap-color-instead-of-pixel-by-pixel

compColor.getRed int green compColor.getGreen int blue compColor.getBlue int alpha for int i 0 i pixels.length i alpha Color.alpha pixels i if alpha 0 pixels i Color.argb alpha red green blue return pixels java android colors share improve this question..

android color between two colors, based on percentage?

http://stackoverflow.com/questions/4414673/android-color-between-two-colors-based-on-percentage

last thing It would be OK if yellow appears at 50 . I tried this private int getColor int c0 int c1 float p int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue.. would be OK if yellow appears at 50 . I tried this private int getColor int c0 int c1 float p int a ave Color.alpha c0 Color.alpha c1 p int r ave Color.red c0 Color.red c1 p int g ave Color.green c0 Color.green c1 p int b ave Color.blue c0 Color.blue..

Android : Converting color image to grayscale [duplicate]

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

x 0 x width x for int y 0 y height y get one pixel color pixel src.getPixel x y retrieve color of all channels A Color.alpha pixel R Color.red pixel G Color.green pixel B Color.blue pixel take conversion up to one single value R G B int 0.299..