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Merge "ADT/Layoutlib: improved gradient drawing for perf." into eclair

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Xavier Ducrohet
2010-01-14 19:10:44 -08:00
committed by Android (Google) Code Review
parent 89d538dcca e8f4d7deab
commit 79f05bb4a5
1 changed files with 9 additions and 3 deletions
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12
tools/layoutlib/bridge/src/android/graphics/LinearGradient.java
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@@ -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();
}
}