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am 240298f9: Merge "ADT/Layoutlib: always use custom gradient (java) Paint." into eclair

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Merge commit '240298f9e4542c487edd0337e84b50c493cbeecd' into eclair-plus-aosp

* commit '240298f9e4542c487edd0337e84b50c493cbeecd':
  ADT/Layoutlib: always use custom gradient (java) Paint.
This commit is contained in:
Xavier Ducrohet
2010-01-14 18:39:48 -08:00
committed by Android Git Automerger
parent b8c564d0fc 240298f9e4
commit 895c92a44b
1 changed files with 17 additions and 30 deletions
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47
tools/layoutlib/bridge/src/android/graphics/LinearGradient.java
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@@ -16,19 +16,15 @@
package android.graphics;
import java.awt.GradientPaint;
import java.awt.Color;
import java.awt.Paint;
import java.awt.PaintContext;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.Raster;
import java.awt.image.SampleModel;
import java.awt.image.WritableRaster;
public class LinearGradient extends Shader {
@@ -56,14 +52,17 @@ public class LinearGradient extends Shader {
throw new IllegalArgumentException("color and position arrays must be of equal length");
}
if (colors.length == 2) { // for 2 colors: use the Java implementation
// The hasAlpha flag in Color() is only used to enforce alpha to 0xFF if false.
// If true the alpha is read from the int.
mJavaPaint = new GradientPaint(x0, y0, new Color(colors[0], true /* hasalpha */),
x1, y1, new Color(colors[1], true /* hasalpha */), tile != TileMode.CLAMP);
} else {
mJavaPaint = new MultiPointLinearGradientPaint(x0, y0, x1, y1, colors, positions, tile);
if (positions == null) {
float spacing = 1.f / (colors.length - 1);
positions = new float[colors.length];
positions[0] = 0.f;
positions[colors.length-1] = 1.f;
for (int i = 1; i < colors.length - 1 ; i++) {
positions[i] = spacing * i;
}
}
mJavaPaint = new MultiPointLinearGradientPaint(x0, y0, x1, y1, colors, positions, tile);
}
/**
@@ -79,10 +78,7 @@ public class LinearGradient extends Shader {
*/
public LinearGradient(float x0, float y0, float x1, float y1, int color0, int color1,
TileMode tile) {
// The hasAlpha flag in Color() is only used to enforce alpha to 0xFF if false.
// If true the alpha is read from the int.
mJavaPaint = new GradientPaint(x0, y0, new Color(color0, true /* hasalpha */), x1, y1,
new Color(color1, true /* hasalpha */), tile != TileMode.CLAMP);
this(x0, y0, x1, y1, new int[] { color0, color1}, null /*positions*/, tile);
}
// ---------- Custom Methods
@@ -198,19 +194,14 @@ public class LinearGradient extends Shader {
}
public Raster getRaster(int x, int y, int w, int h) {
SampleModel sampleModel = mColorModel.createCompatibleSampleModel(w, h);
WritableRaster raster = Raster.createWritableRaster(sampleModel,
new java.awt.Point(x, y));
DataBuffer data = raster.getDataBuffer();
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
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++) {
data.setElem(index++, color);
image.setRGB(ix, iy, color);
}
}
} else if (mDy == 0) { // horizontal
@@ -220,22 +211,18 @@ public class LinearGradient extends Shader {
line[ix] = getColor(ix + x, mX0, mDx);
}
int index = 0;
for (int iy = 0 ; iy < h ; iy++) {
for (int ix = 0 ; ix < w ; ix++) {
data.setElem(index++, line[ix]);
}
image.setRGB(0, iy, w, 1 /*h*/, line, 0 /* offset*/, w /*scansize*/);
}
} else {
int index = 0;
for (int iy = 0 ; iy < h ; iy++) {
for (int ix = 0 ; ix < w ; ix++) {
data.setElem(index++, getColor(ix + x, iy + y));
image.setRGB(ix, iy, getColor(ix + x, iy + y));
}
}
}
return raster;
return image.getRaster();
}
}