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better set() implementation

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benfry
2010-01-15 20:43:11 +00:00
parent 8520ca1279
commit 010f88fbd6
1 changed files with 39 additions and 1 deletions
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android/core/src/processing/android/core/PGraphicsAndroid2D.java
+39 -1
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@@ -1837,8 +1837,47 @@ public class PGraphicsAndroid2D extends PGraphics {
}
public void set(int x, int y, PImage src) {
// set() happens in screen coordinates, so need to clear the ctm
canvas.save(Canvas.MATRIX_SAVE_FLAG);
canvas.setMatrix(null); // set to identity
canvas.drawBitmap(src.image, x, y, null);
canvas.restore();
}
// elaborate but silly version, since android will happily do this work
// private Rect setImplSrcRect;
// private Rect setImplDstRect;
//
// protected void setImpl(int dx, int dy, int sx, int sy, int sw, int sh,
// PImage src) {
// if (setImplSrcRect == null) {
// setImplSrcRect = new Rect(sx, sy, sx+sw, sy+sh);
// setImplDstRect = new Rect(dx, dy, dx+sw, dy+sh);
// } else {
// setImplSrcRect.set(sx, sy, sx+sw, sy+sh);
// setImplDstRect.set(dx, dy, dx+sw, dy+sh);
// }
// // set() happens in screen coordinates, so need to nuke the ctm
// canvas.save(Canvas.MATRIX_SAVE_FLAG);
// canvas.setMatrix(null); // set to identity
// canvas.drawBitmap(src.image, setImplSrcRect, setImplDstRect, null);
// canvas.restore();
// }
// PImage version
// int srcOffset = sy * src.width + sx;
// int dstOffset = dy * width + dx;
//
// for (int y = sy; y < sy + sh; y++) {
// System.arraycopy(src.pixels, srcOffset, pixels, dstOffset, sw);
// srcOffset += src.width;
// dstOffset += width;
// }
// updatePixelsImpl(sx, sy, sx+sw, sy+sh);
// PGraphicsJava2D version
// WritableRaster raster = ((BufferedImage) image).getRaster();
// if ((sx == 0) && (sy == 0) && (sw == src.width) && (sh == src.height)) {
// raster.setDataElements(dx, dy, src.width, src.height, src.pixels);
@@ -1847,7 +1886,6 @@ public class PGraphicsAndroid2D extends PGraphics {
// PImage temp = src.get(sx, sy, sw, sh);
// raster.setDataElements(dx, dy, temp.width, temp.height, temp.pixels);
// }
// }