SkAutoUnref autoUnref(inputColorFilter);
if (inputColorFilter->asColorMatrix(inputMatrix) && !matrix_needs_clamping(inputMatrix)) {
SkScalar combinedMatrix[20];
- mult_color_matrix(inputMatrix, colorMatrix, combinedMatrix);
+ mult_color_matrix(colorMatrix, inputMatrix, combinedMatrix);
SkAutoTUnref<SkColorFilter> newCF(SkColorMatrixFilter::Create(combinedMatrix));
return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect));
}
}
{
+ // Check that two non-commutative matrices are concatenated in
+ // the correct order.
+ SkScalar blueToRedMatrix[20] = { 0 };
+ blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1;
+ SkScalar redToGreenMatrix[20] = { 0 };
+ redToGreenMatrix[5] = redToGreenMatrix[18] = SK_Scalar1;
+ SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix));
+ SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blueToRed.get()));
+ SkAutoTUnref<SkColorFilter> redToGreen(SkColorMatrixFilter::Create(redToGreenMatrix));
+ SkAutoTUnref<SkImageFilter> filter2(SkColorFilterImageFilter::Create(redToGreen.get(), filter1.get()));
+
+ SkBitmap result;
+ result.allocN32Pixels(kBitmapSize, kBitmapSize);
+
+ SkPaint paint;
+ paint.setColor(SK_ColorBLUE);
+ paint.setImageFilter(filter2.get());
+ SkCanvas canvas(result);
+ canvas.clear(0x0);
+ SkRect rect = SkRect::Make(SkIRect::MakeWH(kBitmapSize, kBitmapSize));
+ canvas.drawRect(rect, paint);
+ uint32_t pixel = *result.getAddr32(0, 0);
+ // The result here should be green, since we have effectively shifted blue to green.
+ REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
+ }
+
+ {
// Tests pass by not asserting
SkBitmap bitmap, result;
make_small_bitmap(bitmap);