Hi folks,
I was looking at the examples of the android graphics especially the
Xfermodes.java.
When I apply a SRC_IN Xfermode like in the example I have the expected
result.
But when I add a translation between the drawings of the 2 bitmaps as
below, the operation is not complete (the DestB is only partially
because of the translation).
How can I have my operation fully completed and my translation done?
// draw the checker-board pattern
paint.setStyle(Paint.Style.FILL);
paint.setShader(mBG);
canvas.drawRect(0, 0, W, H, paint);
// draw the src/dst example into our offscreen bitmap
int sc = canvas.saveLayer(0, 0, W, H, null,
Canvas.MATRIX_SAVE_FLAG |
Canvas.CLIP_SAVE_FLAG |
Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
|
Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
Canvas.CLIP_TO_LAYER_SAVE_FLAG);
canvas.drawBitmap(mDstB, x, y, paint);
paint.setXfermode(sModes[0]); //SRC_IN
canvas.translate(30, 30);
canvas.drawBitmap(mSrcB, x, y, paint);
paint.setXfermode(null);
canvas.restoreToCount(sc);
Thanks!
Bart.
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