Cross Reference: /frameworks/base/graphics/java/android/graphics/Color.java

Lines Matching refs:color
28  * The Color class defines methods for creating and converting color ints.
31  * stored solely in the alpha component, and not in the color components. The
54      * Return the alpha component of a color int. This is the same as saying
55      * color >>> 24
57     public static int alpha(int color) {
58         return color >>> 24;
62      * Return the red component of a color int. This is the same as saying
63      * (color >> 16) & 0xFF
65     public static int red(int color) {
66         return (color >> 16) & 0xFF;
70      * Return the green component of a color int. This is the same as saying
71      * (color >> 8) & 0xFF
73     public static int green(int color) {
74         return (color >> 8) & 0xFF;
78      * Return the blue component of a color int. This is the same as saying
79      * color & 0xFF
81     public static int blue(int color) {
82         return color & 0xFF;
86      * Return a color-int from red, green, blue components.
90      * returned color is undefined.
91      * @param red  Red component [0..255] of the color
92      * @param green Green component [0..255] of the color
93      * @param blue  Blue component [0..255] of the color
101      * Return a color-int from alpha, red, green, blue components.
104      * returned color is undefined.
105      * @param alpha Alpha component [0..255] of the color
106      * @param red   Red component [0..255] of the color
107      * @param green Green component [0..255] of the color
108      * @param blue  Blue component [0..255] of the color
116      * Returns the relative luminance of a color.
123     public static float luminance(@ColorInt int color) {
124         double red = Color.red(color) / 255.0;
126         double green = Color.green(color) / 255.0;
128         double blue = Color.blue(color) / 255.0;
134      * Parse the color string, and return the corresponding color-int.
149             long color = Long.parseLong(colorString.substring(1), 16);
152                 color |= 0x00000000ff000000;
154                 throw new IllegalArgumentException("Unknown color");
156             return (int)color;
158             Integer color = sColorNameMap.get(colorString.toLowerCase(Locale.ROOT));
159             if (color != null) {
160                 return color;
163         throw new IllegalArgumentException("Unknown color");
184      * Convert the argb color to its HSV components.
188      * @param color the argb color to convert. The alpha component is ignored.
191     public static void colorToHSV(@ColorInt int color, @Size(3) float hsv[]) {
192         RGBToHSV((color >> 16) & 0xFF, (color >> 8) & 0xFF, color & 0xFF, hsv);
196      * Convert HSV components to an ARGB color. Alpha set to 0xFF.
202      * @return the resulting argb color
209      * Convert HSV components to an ARGB color. The alpha component is passed
215      * @param alpha the alpha component of the returned argb color.
217      * @return the resulting argb color
230      * Converts an HTML color (named or numeric) to an integer RGB value.
232      * @param color Non-null color string.
234      * @return A color value, or {@code -1} if the color string could not be interpreted.
239     public static int getHtmlColor(String color) {
240         Integer i = sColorNameMap.get(color.toLowerCase(Locale.ROOT));
245                 return XmlUtils.convertValueToInt(color, -1);