Merge "ADT/Layoutlib: improved gradient drawing for perf." into eclair (79f05bb4) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/android/graphics/LinearGradient.java

+9 −3

Original line number	Diff line number	Diff line
		@@ -196,12 +196,15 @@ public class LinearGradient extends Shader {
		public Raster getRaster(int x, int y, int w, int h) {
		BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

		int[] data = new int[w*h];

		if (mDx == 0) { // vertical gradient
		// compute first column and copy to all other columns
		int index = 0;
		for (int iy = 0 ; iy < h ; iy++) {
		int color = getColor(iy + y, mY0, mDy);
		for (int ix = 0 ; ix < w ; ix++) {
		image.setRGB(ix, iy, color);
		data[index++] = color;
		}
		}
		} else if (mDy == 0) { // horizontal
		@@ -212,16 +215,19 @@ public class LinearGradient extends Shader {
		}

		for (int iy = 0 ; iy < h ; iy++) {
		image.setRGB(0, iy, w, 1 /h/, line, 0 /* offset/, w /scansize*/);
		System.arraycopy(line, 0, data, iy*w, line.length);
		}
		} else {
		int index = 0;
		for (int iy = 0 ; iy < h ; iy++) {
		for (int ix = 0 ; ix < w ; ix++) {
		image.setRGB(ix, iy, getColor(ix + x, iy + y));
		data[index++] = getColor(ix + x, iy + y);
		}
		}
		}

		image.setRGB(0 /startX/, 0 /startY/, w, h, data, 0 /offset/, w /scansize/);

		return image.getRaster();
		}
		}