diff options
author | Xavier Ducrohet <xav@android.com> | 2010-01-14 18:45:04 -0800 |
---|---|---|
committer | Xavier Ducrohet <xav@android.com> | 2010-01-14 18:45:04 -0800 |
commit | e8f4d7deab2c183604ea5a2344a1e2d7ff4f823a (patch) | |
tree | 222820fb3b39898bf1f9dea3d5ce0dc38c68f041 /tools | |
parent | 240298f9e4542c487edd0337e84b50c493cbeecd (diff) | |
download | frameworks_base-e8f4d7deab2c183604ea5a2344a1e2d7ff4f823a.zip frameworks_base-e8f4d7deab2c183604ea5a2344a1e2d7ff4f823a.tar.gz frameworks_base-e8f4d7deab2c183604ea5a2344a1e2d7ff4f823a.tar.bz2 |
ADT/Layoutlib: improved gradient drawing for perf.
Change-Id: I79b909d7787e4442e7cfdf196de1ac0c077da7f8
Diffstat (limited to 'tools')
-rw-r--r-- | tools/layoutlib/bridge/src/android/graphics/LinearGradient.java | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tools/layoutlib/bridge/src/android/graphics/LinearGradient.java b/tools/layoutlib/bridge/src/android/graphics/LinearGradient.java index bd152a2..38ffed3 100644 --- a/tools/layoutlib/bridge/src/android/graphics/LinearGradient.java +++ b/tools/layoutlib/bridge/src/android/graphics/LinearGradient.java @@ -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(); } } |