diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/ImageFilterTest.cpp | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/tests/ImageFilterTest.cpp b/tests/ImageFilterTest.cpp index 2798ea0b18..da663bcfc0 100644 --- a/tests/ImageFilterTest.cpp +++ b/tests/ImageFilterTest.cpp @@ -133,7 +133,7 @@ static SkImageFilter* make_scale(float amount, SkImageFilter* input = NULL) { return SkColorFilterImageFilter::Create(filter, input); } -static SkImageFilter* make_grayscale(SkImageFilter* input = NULL, const SkImageFilter::CropRect* cropRect = NULL) { +static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) { SkScalar matrix[20]; memset(matrix, 0, 20 * sizeof(SkScalar)); matrix[0] = matrix[5] = matrix[10] = 0.2126f; @@ -144,28 +144,51 @@ static SkImageFilter* make_grayscale(SkImageFilter* input = NULL, const SkImageF return SkColorFilterImageFilter::Create(filter, input, cropRect); } +static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) { + SkAutoTUnref<SkColorFilter> filter(SkColorFilter::CreateModeFilter(SK_ColorBLUE, + SkXfermode::kSrcIn_Mode)); + return SkColorFilterImageFilter::Create(filter, input, cropRect); +} + DEF_TEST(ImageFilter, reporter) { { - // Check that two non-clipping color matrices concatenate into a single filter. + // Check that two non-clipping color-matrice-filters concatenate into a single filter. SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f)); SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrightness)); REPORTER_ASSERT(reporter, NULL == quarterBrightness->getInput(0)); + SkColorFilter* cf; + REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf)); + REPORTER_ASSERT(reporter, cf->asColorMatrix(NULL)); + cf->unref(); } { - // Check that a clipping color matrix followed by a grayscale does not concatenate into a single filter. + // Check that a clipping color-matrice-filter followed by a color-matrice-filters + // concatenates into a single filter, but not a matrixfilter (due to clamping). SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f)); SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBrightness)); - REPORTER_ASSERT(reporter, halfBrightness->getInput(0)); + REPORTER_ASSERT(reporter, NULL == halfBrightness->getInput(0)); + SkColorFilter* cf; + REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf)); + REPORTER_ASSERT(reporter, !cf->asColorMatrix(NULL)); + cf->unref(); } { // Check that a color filter image filter without a crop rect can be // expressed as a color filter. - SkAutoTUnref<SkImageFilter> gray(make_grayscale()); + SkAutoTUnref<SkImageFilter> gray(make_grayscale(NULL, NULL)); REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL)); } - + + { + // Check that a colorfilterimage filter without a crop rect but with an input + // that is another colorfilterimage can be expressed as a colorfilter (composed). + SkAutoTUnref<SkImageFilter> mode(make_blue(NULL, NULL)); + SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, NULL)); + REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL)); + } + { // Check that a color filter image filter with a crop rect cannot // be expressed as a color filter. |