mBitmap = BitmapFactory.decodeResource(resources, R.drawable.sunset1);
mTexWidth = mBitmap.getWidth();
mTexHeight = mBitmap.getHeight();
mDrawWidth = resources.getDimensionPixelSize(R.dimen.layer_width);
mDrawHeight = resources.getDimensionPixelSize(R.dimen.layer_height);
mRepeatShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
Shader.TileMode.REPEAT);
mTranslatedShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
Shader.TileMode.REPEAT);
mMtx1 = new Matrix();
mMtx1.setTranslate(mTexWidth / 2.0f, mTexHeight / 2.0f);
mMtx1.postRotate(45, 0, 0);
mTranslatedShader.setLocalMatrix(mMtx1);
mScaledShader = new BitmapShader(mBitmap, Shader.TileMode.MIRROR,
Shader.TileMode.MIRROR);
mMtx2 = new Matrix();
mMtx2.setScale(0.5f, 0.5f);
mScaledShader.setLocalMatrix(mMtx2);
mHorGradient = new LinearGradient(0.0f, 0.0f, 1.0f, 0.0f,
Color.RED, Color.GREEN, Shader.TileMode.CLAMP);
mMtx3 = new Matrix();
mMtx3.setScale(mDrawHeight, 1.0f);
mMtx3.postRotate(-90.0f);
mMtx3.postTranslate(0.0f, mDrawHeight);
mHorGradient.setLocalMatrix(mMtx3);
mDiagGradient = new LinearGradient(0.0f, 0.0f, mDrawWidth / 2.0f, mDrawHeight / 2.0f,
Color.BLUE, Color.RED, Shader.TileMode.CLAMP);
mVertGradient = new LinearGradient(0.0f, 0.0f, 0.0f, mDrawHeight / 2.0f,
Color.YELLOW, Color.MAGENTA, Shader.TileMode.MIRROR);
mSweepGradient = new SweepGradient(mDrawWidth / 2.0f, mDrawHeight / 2.0f,
Color.YELLOW, Color.MAGENTA);
mComposeShader = new ComposeShader(mRepeatShader, mHorGradient,
PorterDuff.Mode.MULTIPLY);
final float width = mBitmap.getWidth() / 8.0f;
final float height = mBitmap.getHeight() / 8.0f;
mBitmapVertices = new float[] {
0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
0.0f, height, width, height, width * 2, height, width * 4, height,
0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
};
mBitmapColors = new int[] {
0xffff0000, 0xff00ff00, 0xff0000ff, 0xffff0000,
0xff0000ff, 0xffff0000, 0xff00ff00, 0xff00ff00,
0xff00ff00, 0xff0000ff, 0xffff0000, 0xff00ff00,
0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ff0000,
};
// Use a repeating gradient with many colors to test the non simple case.
mRadGradient = new RadialGradient(mDrawWidth / 4.0f, mDrawHeight / 4.0f, 4.0f,
mBitmapColors, null, Shader.TileMode.REPEAT);
mBadComposeShader = new ComposeShader(mRadGradient, mComposeShader,
PorterDuff.Mode.MULTIPLY);
mAnotherBadComposeShader = new ComposeShader(mRadGradient, mVertGradient,
PorterDuff.Mode.MULTIPLY);
