69 lines
2.0 KiB
Haxe
69 lines
2.0 KiB
Haxe
package funkin.backend.utils;
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import openfl.display.BitmapData;
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import flixel.util.FlxColor;
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class BitmapUtil {
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/**
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* Returns the most present color in a Bitmap.
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* @param bmap Bitmap
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* @return FlxColor Color that is the most present.
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*/
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public static function getMostPresentColor(bmap:BitmapData):FlxColor {
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// map containing all the colors and the number of times they've been assigned.
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var colorMap:Map<FlxColor, Float> = [];
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var color:FlxColor = 0;
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var fixedColor:FlxColor = 0;
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for(y in 0...bmap.height) {
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for(x in 0...bmap.width) {
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color = bmap.getPixel32(x, y);
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fixedColor = 0xFF000000 + (color % 0x1000000);
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if (!colorMap.exists(fixedColor))
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colorMap[fixedColor] = 0;
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colorMap[fixedColor] += color.alphaFloat;
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}
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}
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var mostPresentColor:FlxColor = 0;
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var mostPresentColorCount:Float = -1;
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for(c=>n in colorMap) {
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if (n > mostPresentColorCount) {
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mostPresentColorCount = n;
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mostPresentColor = c;
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}
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}
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return mostPresentColor;
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}
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/**
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* Returns the most present saturated color in a Bitmap.
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* @param bmap Bitmap
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* @return FlxColor Color that is the most present.
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*/
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public static function getMostPresentSaturatedColor(bmap:BitmapData):FlxColor {
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// map containing all the colors and the number of times they've been assigned.
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var colorMap:Map<FlxColor, Float> = [];
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var color:FlxColor = 0;
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var fixedColor:FlxColor = 0;
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for(y in 0...bmap.height) {
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for(x in 0...bmap.width) {
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color = bmap.getPixel32(x, y);
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fixedColor = 0xFF000000 + (color % 0x1000000);
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if (!colorMap.exists(fixedColor))
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colorMap[fixedColor] = 0;
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colorMap[fixedColor] += color.alphaFloat * 0.33 + (0.67 * (color.saturation * (2 * (color.lightness > 0.5 ? 0.5 - (color.lightness) : color.lightness))));
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}
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}
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var mostPresentColor:FlxColor = 0;
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var mostPresentColorCount:Float = -1;
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for(c=>n in colorMap) {
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if (n > mostPresentColorCount) {
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mostPresentColorCount = n;
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mostPresentColor = c;
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}
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}
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return mostPresentColor;
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}
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} |