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wip 5 millioon (i need threading and better math)

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lunarcleint
2024-04-16 22:22:27 -07:00
parent c55f75c156
commit 62515b8b74
3 changed files with 53 additions and 15 deletions
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source/funkin/backend/utils/BitmapUtil.hx
+24 -8
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@@ -74,21 +74,37 @@ class BitmapUtil {
* @param bitmap The bitmap to be cropped
*/
public static function crop(bitmap:BitmapData) {
var minX:Int = bitmap.width;
var minY:Int = bitmap.height;
var maxX:Int = 0; var maxY:Int = 0;
var bitmapBounds:Rectangle = BitmapUtil.bounds(bitmap);
var croppedBitmap:BitmapData = new BitmapData(Std.int(bitmapBounds.width), Std.int(bitmapBounds.height), true, 0x00000000);
croppedBitmap.copyPixels(bitmap, bitmapBounds, new Point(0,0));
return croppedBitmap;
}
/**
* Get bounds of non empty pixels in the bitmap
* @param bitmap
* @return
*/
public static function bounds(bitmap:BitmapData, ?limit:Rectangle = null):Rectangle {
var minX:Int = limit != null ? Std.int(limit.width) : bitmap.width;
var minY:Int = limit != null ? Std.int(limit.height) : bitmap.height;
var maxX:Int = limit != null ? Std.int(limit.x) : 0;
var maxY:Int = limit != null ? Std.int(limit.y) : 0;
for (y in 0...bitmap.height)
for (x in 0...bitmap.width)
for (x in 0...bitmap.width) {
if (limit != null && !(x >= limit.x && x <= limit.x + limit.width && y >= limit.y && y <= limit.y + limit.height)) continue;
if (bitmap.getPixel32(x, y) != 0x00000000) {
if (x < minX) minX = x;
if (y < minY) minY = y;
if (x > maxX) maxX = x;
if (y > maxY) maxY = y;
}
var croppedBitmap:BitmapData = new BitmapData(maxX-minX+1, maxY-minY+1, true, 0x00000000);
croppedBitmap.copyPixels(bitmap, new Rectangle(minX, minY, croppedBitmap.width, croppedBitmap.height), new Point(0,0));
return croppedBitmap;
}
return new Rectangle(minX, minY, maxX-minX+1, maxY-minY+1);
}
}