Android Utililty Methods Color Filter

List of utility methods to do Color Filter

  1. HOME
  2. Android
  3. C
  4. Color Filter

Description

The list of methods to do Color Filter are organized into topic(s).

Method

intClippedColorPart(int color)
Clipped Color Part 
if (color < 0) {
    return 0;
} else if (color > 0xFF) {
    return 0xFF;
return color;
ClassfindCommonElementType(Collection collection)
Find the common element type of the given Collection, if any. 
if (isEmpty(collection)) {
    return null;
Class<?> candidate = null;
for (Object val : collection) {
    if (val != null) {
        if (candidate == null) {
            candidate = val.getClass();
...
ColorMatrixColorFiltergetContrastFilter(float factor)
get Contrast Filter 
final float scale = factor + 1f;
final float translation = (-.5f * scale + .5f) * 255f;
final float[] matrix = { scale, 0, 0, 0, translation, 0, scale, 0,
        0, translation, 0, 0, scale, 0, translation, 0, 0, 0, 1, 0 };
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
return filter;
ColorMatrixColorFiltergetScaleContrastFilter(float factor)
get Scale Contrast Filter 
final float scale = factor + 1f;
final float[] matrix = { scale, 0, 0, 0, 0, 0, scale, 0, 0, 0, 0,
        0, scale, 0, 0, 0, 0, 0, 1, 0 };
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
return filter;
intgetSecondaryColorFromPrimaryColor(int color, double secondaryColorStrength)
Take a color as input, multiply each of the rgb components by mSecondaryColorStrength and return the new color that results from this. 
return ((color & ALPHA_MASK)
        + ((int) ((color & RED_MASK) * secondaryColorStrength) & RED_MASK)
        + ((int) ((color & GREEN_MASK) * secondaryColorStrength) & GREEN_MASK) + ((int) ((color & BLUE_MASK) * secondaryColorStrength) & BLUE_MASK));
ColorMatrixColorFiltergetTranslationColorFilter( int amount)
get Translation Color Filter 
final int a = (amount >>> 24);
final int r = (amount >> 16) & 0xFF;
final int g = (amount >> 8) & 0xFF;
final int b = (amount) & 0xFF;
final float[] matrix = { 1, 0, 0, 0, r, 0, 1, 0, 0, g, 0, 0, 1, 0,
        b, 0, 0, 0, 1, a };
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
return filter;
...