5ea95df02d
This reverts commit 95376a0dde.
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/1389083002
1314 lines
54 KiB
C++
1314 lines
54 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBitmap.h"
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#include "SkBitmapDevice.h"
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#include "SkBlurImageFilter.h"
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#include "SkCanvas.h"
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#include "SkColorFilterImageFilter.h"
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#include "SkColorMatrixFilter.h"
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#include "SkComposeImageFilter.h"
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#include "SkDisplacementMapEffect.h"
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#include "SkDropShadowImageFilter.h"
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#include "SkFlattenableSerialization.h"
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#include "SkGradientShader.h"
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#include "SkImage.h"
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#include "SkImageSource.h"
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#include "SkLightingImageFilter.h"
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#include "SkMatrixConvolutionImageFilter.h"
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#include "SkMergeImageFilter.h"
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#include "SkMorphologyImageFilter.h"
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#include "SkOffsetImageFilter.h"
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#include "SkPerlinNoiseShader.h"
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#include "SkPicture.h"
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#include "SkPictureImageFilter.h"
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#include "SkPictureRecorder.h"
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#include "SkPoint3.h"
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#include "SkReadBuffer.h"
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#include "SkRect.h"
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#include "SkRectShaderImageFilter.h"
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#include "SkSurface.h"
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#include "SkTableColorFilter.h"
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#include "SkTileImageFilter.h"
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#include "SkXfermodeImageFilter.h"
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContextFactory.h"
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#include "SkGpuDevice.h"
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#endif
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static const int kBitmapSize = 4;
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namespace {
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class MatrixTestImageFilter : public SkImageFilter {
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public:
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MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix)
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: SkImageFilter(0, nullptr), fReporter(reporter), fExpectedMatrix(expectedMatrix) {
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}
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virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context& ctx,
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SkBitmap* result, SkIPoint* offset) const override {
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REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix);
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return true;
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}
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SK_TO_STRING_OVERRIDE()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter)
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protected:
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void flatten(SkWriteBuffer& buffer) const override {
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this->INHERITED::flatten(buffer);
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buffer.writeFunctionPtr(fReporter);
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buffer.writeMatrix(fExpectedMatrix);
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}
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private:
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skiatest::Reporter* fReporter;
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SkMatrix fExpectedMatrix;
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typedef SkImageFilter INHERITED;
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};
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}
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SkFlattenable* MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) {
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SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
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skiatest::Reporter* reporter = (skiatest::Reporter*)buffer.readFunctionPtr();
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SkMatrix matrix;
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buffer.readMatrix(&matrix);
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return new MatrixTestImageFilter(reporter, matrix);
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}
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#ifndef SK_IGNORE_TO_STRING
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void MatrixTestImageFilter::toString(SkString* str) const {
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str->appendf("MatrixTestImageFilter: (");
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str->append(")");
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}
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#endif
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static SkImage* make_small_image() {
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SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kBitmapSize, kBitmapSize));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(0x00000000);
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SkPaint darkPaint;
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darkPaint.setColor(0xFF804020);
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SkPaint lightPaint;
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lightPaint.setColor(0xFF244484);
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const int i = kBitmapSize / 4;
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for (int y = 0; y < kBitmapSize; y += i) {
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for (int x = 0; x < kBitmapSize; x += i) {
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canvas->save();
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canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas->drawRect(SkRect::MakeXYWH(0, 0,
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SkIntToScalar(i),
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SkIntToScalar(i)), darkPaint);
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canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
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0,
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SkIntToScalar(i),
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SkIntToScalar(i)), lightPaint);
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canvas->drawRect(SkRect::MakeXYWH(0,
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SkIntToScalar(i),
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SkIntToScalar(i),
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SkIntToScalar(i)), lightPaint);
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canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
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SkIntToScalar(i),
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SkIntToScalar(i),
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SkIntToScalar(i)), darkPaint);
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canvas->restore();
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}
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}
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return surface->newImageSnapshot();
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}
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static SkImageFilter* make_scale(float amount, SkImageFilter* input = nullptr) {
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SkScalar s = amount;
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SkScalar matrix[20] = { s, 0, 0, 0, 0,
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0, s, 0, 0, 0,
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0, 0, s, 0, 0,
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0, 0, 0, s, 0 };
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SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix));
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return SkColorFilterImageFilter::Create(filter, input);
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}
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static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) {
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SkScalar matrix[20];
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memset(matrix, 0, 20 * sizeof(SkScalar));
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matrix[0] = matrix[5] = matrix[10] = 0.2126f;
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matrix[1] = matrix[6] = matrix[11] = 0.7152f;
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matrix[2] = matrix[7] = matrix[12] = 0.0722f;
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matrix[18] = 1.0f;
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SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix));
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return SkColorFilterImageFilter::Create(filter, input, cropRect);
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}
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static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) {
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SkAutoTUnref<SkColorFilter> filter(SkColorFilter::CreateModeFilter(SK_ColorBLUE,
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SkXfermode::kSrcIn_Mode));
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return SkColorFilterImageFilter::Create(filter, input, cropRect);
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}
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DEF_TEST(ImageFilter, reporter) {
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{
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// Check that two non-clipping color-matrice-filters concatenate into a single filter.
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SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f));
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SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrightness));
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REPORTER_ASSERT(reporter, nullptr == quarterBrightness->getInput(0));
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SkColorFilter* cf;
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REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf));
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REPORTER_ASSERT(reporter, cf->asColorMatrix(nullptr));
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cf->unref();
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}
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{
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// Check that a clipping color-matrice-filter followed by a color-matrice-filters
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// concatenates into a single filter, but not a matrixfilter (due to clamping).
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SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f));
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SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBrightness));
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REPORTER_ASSERT(reporter, nullptr == halfBrightness->getInput(0));
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SkColorFilter* cf;
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REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf));
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REPORTER_ASSERT(reporter, !cf->asColorMatrix(nullptr));
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cf->unref();
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}
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{
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// Check that a color filter image filter without a crop rect can be
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// expressed as a color filter.
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SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr));
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REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr));
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}
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{
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// Check that a colorfilterimage filter without a crop rect but with an input
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// that is another colorfilterimage can be expressed as a colorfilter (composed).
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SkAutoTUnref<SkImageFilter> mode(make_blue(nullptr, nullptr));
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SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, nullptr));
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REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr));
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}
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{
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// Test that if we exceed the limit of what ComposeColorFilter can combine, we still
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// can build the DAG and won't assert if we call asColorFilter.
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SkAutoTUnref<SkImageFilter> filter(make_blue(nullptr, nullptr));
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const int kWayTooManyForComposeColorFilter = 100;
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for (int i = 0; i < kWayTooManyForComposeColorFilter; ++i) {
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filter.reset(make_blue(filter, nullptr));
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// the first few of these will succeed, but after we hit the internal limit,
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// it will then return false.
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(void)filter->asColorFilter(nullptr);
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}
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}
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{
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// Check that a color filter image filter with a crop rect cannot
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// be expressed as a color filter.
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SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100));
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SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(nullptr, &cropRect));
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REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(nullptr));
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}
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{
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// Check that two non-commutative matrices are concatenated in
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// the correct order.
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SkScalar blueToRedMatrix[20] = { 0 };
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blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1;
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SkScalar redToGreenMatrix[20] = { 0 };
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redToGreenMatrix[5] = redToGreenMatrix[18] = SK_Scalar1;
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SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix));
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SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blueToRed.get()));
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SkAutoTUnref<SkColorFilter> redToGreen(SkColorMatrixFilter::Create(redToGreenMatrix));
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SkAutoTUnref<SkImageFilter> filter2(SkColorFilterImageFilter::Create(redToGreen.get(), filter1.get()));
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SkBitmap result;
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result.allocN32Pixels(kBitmapSize, kBitmapSize);
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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paint.setImageFilter(filter2.get());
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SkCanvas canvas(result);
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canvas.clear(0x0);
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SkRect rect = SkRect::Make(SkIRect::MakeWH(kBitmapSize, kBitmapSize));
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canvas.drawRect(rect, paint);
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uint32_t pixel = *result.getAddr32(0, 0);
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// The result here should be green, since we have effectively shifted blue to green.
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REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
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}
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{
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// Tests pass by not asserting
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SkAutoTUnref<SkImage> image(make_small_image());
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SkBitmap result;
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result.allocN32Pixels(kBitmapSize, kBitmapSize);
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{
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// This tests for :
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// 1 ) location at (0,0,1)
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SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
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// 2 ) location and target at same value
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SkPoint3 target = SkPoint3::Make(location.fX, location.fY, location.fZ);
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// 3 ) large negative specular exponent value
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SkScalar specularExponent = -1000;
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SkAutoTUnref<SkImageFilter> bmSrc(SkImageSource::Create(image));
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SkPaint paint;
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paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular(
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location, target, specularExponent, 180,
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0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1,
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bmSrc))->unref();
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SkCanvas canvas(result);
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SkRect r = SkRect::MakeWH(SkIntToScalar(kBitmapSize),
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SkIntToScalar(kBitmapSize));
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canvas.drawRect(r, paint);
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}
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}
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}
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static void test_crop_rects(SkImageFilter::Proxy* proxy, skiatest::Reporter* reporter) {
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// Check that all filters offset to their absolute crop rect,
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// unaffected by the input crop rect.
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// Tests pass by not asserting.
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SkBitmap bitmap;
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bitmap.allocN32Pixels(100, 100);
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bitmap.eraseARGB(0, 0, 0, 0);
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SkImageFilter::CropRect inputCropRect(SkRect::MakeXYWH(8, 13, 80, 80));
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SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 30, 60, 60));
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SkAutoTUnref<SkImageFilter> input(make_grayscale(nullptr, &inputCropRect));
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SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode));
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SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
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SkScalar kernel[9] = {
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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};
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SkISize kernelSize = SkISize::Make(3, 3);
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SkScalar gain = SK_Scalar1, bias = 0;
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SkImageFilter* filters[] = {
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SkColorFilterImageFilter::Create(cf.get(), input.get(), &cropRect),
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SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType,
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SkDisplacementMapEffect::kB_ChannelSelectorType,
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40.0f, input.get(), input.get(), &cropRect),
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SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
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SkDropShadowImageFilter::Create(SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1,
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SK_ColorGREEN, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
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input.get(), &cropRect),
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SkLightingImageFilter::CreatePointLitDiffuse(location, SK_ColorGREEN, 0, 0, input.get(), &cropRect),
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SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0, input.get(), &cropRect),
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SkMatrixConvolutionImageFilter::Create(kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1), SkMatrixConvolutionImageFilter::kRepeat_TileMode, false, input.get(), &cropRect),
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SkMergeImageFilter::Create(input.get(), input.get(), SkXfermode::kSrcOver_Mode, &cropRect),
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SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
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SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
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SkDilateImageFilter::Create(3, 2, input.get(), &cropRect),
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SkErodeImageFilter::Create(2, 3, input.get(), &cropRect),
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SkTileImageFilter::Create(inputCropRect.rect(), cropRect.rect(), input.get()),
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SkXfermodeImageFilter::Create(SkXfermode::Create(SkXfermode::kSrcOver_Mode), input.get(), input.get(), &cropRect),
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};
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for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
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SkImageFilter* filter = filters[i];
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SkBitmap result;
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SkIPoint offset;
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SkString str;
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str.printf("filter %d", static_cast<int>(i));
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SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), nullptr);
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REPORTER_ASSERT_MESSAGE(reporter, filter->filterImage(proxy, bitmap, ctx,
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&result, &offset), str.c_str());
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REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, str.c_str());
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}
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for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
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SkSafeUnref(filters[i]);
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}
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}
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static SkBitmap make_gradient_circle(int width, int height) {
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SkBitmap bitmap;
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SkScalar x = SkIntToScalar(width / 2);
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SkScalar y = SkIntToScalar(height / 2);
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SkScalar radius = SkMinScalar(x, y) * 0.8f;
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bitmap.allocN32Pixels(width, height);
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SkCanvas canvas(bitmap);
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canvas.clear(0x00000000);
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SkColor colors[2];
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colors[0] = SK_ColorWHITE;
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colors[1] = SK_ColorBLACK;
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SkAutoTUnref<SkShader> shader(
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SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
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SkShader::kClamp_TileMode)
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);
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SkPaint paint;
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paint.setShader(shader);
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canvas.drawCircle(x, y, radius, paint);
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return bitmap;
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}
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static void test_negative_blur_sigma(SkImageFilter::Proxy* proxy, skiatest::Reporter* reporter) {
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// Check that SkBlurImageFilter will accept a negative sigma, either in
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// the given arguments or after CTM application.
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const int width = 32, height = 32;
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const SkScalar five = SkIntToScalar(5);
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SkAutoTUnref<SkImageFilter> positiveFilter(SkBlurImageFilter::Create(five, five));
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SkAutoTUnref<SkImageFilter> negativeFilter(SkBlurImageFilter::Create(-five, five));
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SkBitmap gradient = make_gradient_circle(width, height);
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SkBitmap positiveResult1, negativeResult1;
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SkBitmap positiveResult2, negativeResult2;
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SkIPoint offset;
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SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), nullptr);
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positiveFilter->filterImage(proxy, gradient, ctx, &positiveResult1, &offset);
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negativeFilter->filterImage(proxy, gradient, ctx, &negativeResult1, &offset);
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SkMatrix negativeScale;
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negativeScale.setScale(-SK_Scalar1, SK_Scalar1);
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SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeLargest(), nullptr);
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positiveFilter->filterImage(proxy, gradient, negativeCTX, &negativeResult2, &offset);
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negativeFilter->filterImage(proxy, gradient, negativeCTX, &positiveResult2, &offset);
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SkAutoLockPixels lockP1(positiveResult1);
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SkAutoLockPixels lockP2(positiveResult2);
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SkAutoLockPixels lockN1(negativeResult1);
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SkAutoLockPixels lockN2(negativeResult2);
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for (int y = 0; y < height; y++) {
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int diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult1.getAddr32(0, y), positiveResult1.rowBytes());
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REPORTER_ASSERT(reporter, !diffs);
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if (diffs) {
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break;
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}
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diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult2.getAddr32(0, y), positiveResult1.rowBytes());
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REPORTER_ASSERT(reporter, !diffs);
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if (diffs) {
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break;
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}
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diffs = memcmp(positiveResult1.getAddr32(0, y), positiveResult2.getAddr32(0, y), positiveResult1.rowBytes());
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REPORTER_ASSERT(reporter, !diffs);
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if (diffs) {
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break;
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}
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}
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}
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DEF_TEST(TestNegativeBlurSigma, reporter) {
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const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
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const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
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SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props));
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SkImageFilter::Proxy proxy(device);
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test_negative_blur_sigma(&proxy, reporter);
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}
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DEF_TEST(ImageFilterDrawTiled, reporter) {
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// Check that all filters when drawn tiled (with subsequent clip rects) exactly
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// match the same filters drawn with a single full-canvas bitmap draw.
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// Tests pass by not asserting.
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SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode));
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SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
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SkScalar kernel[9] = {
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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};
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const SkISize kernelSize = SkISize::Make(3, 3);
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const SkScalar gain = SK_Scalar1, bias = 0;
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const SkScalar five = SkIntToScalar(5);
|
|
|
|
SkAutoTUnref<SkImage> gradientImage(SkImage::NewFromBitmap(make_gradient_circle(64, 64)));
|
|
SkAutoTUnref<SkImageFilter> gradientSource(SkImageSource::Create(gradientImage));
|
|
SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(five, five));
|
|
SkMatrix matrix;
|
|
|
|
matrix.setTranslate(SK_Scalar1, SK_Scalar1);
|
|
matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1);
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(64, 64, &factory, 0);
|
|
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30, 20)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
SkAutoTUnref<SkImageFilter> pictureFilter(SkPictureImageFilter::Create(picture.get()));
|
|
SkAutoTUnref<SkShader> shader(SkPerlinNoiseShader::CreateTurbulence(SK_Scalar1, SK_Scalar1, 1, 0));
|
|
|
|
SkAutoTUnref<SkImageFilter> rectShaderFilter(SkRectShaderImageFilter::Create(shader.get()));
|
|
|
|
SkAutoTUnref<SkShader> greenColorShader(SkShader::CreateColorShader(SK_ColorGREEN));
|
|
SkImageFilter::CropRect leftSideCropRect(SkRect::MakeXYWH(0, 0, 32, 64));
|
|
SkAutoTUnref<SkImageFilter> rectShaderFilterLeft(SkRectShaderImageFilter::Create(greenColorShader.get(), &leftSideCropRect));
|
|
SkImageFilter::CropRect rightSideCropRect(SkRect::MakeXYWH(32, 0, 32, 64));
|
|
SkAutoTUnref<SkImageFilter> rectShaderFilterRight(SkRectShaderImageFilter::Create(greenColorShader.get(), &rightSideCropRect));
|
|
|
|
struct {
|
|
const char* fName;
|
|
SkImageFilter* fFilter;
|
|
} filters[] = {
|
|
{ "color filter", SkColorFilterImageFilter::Create(cf.get()) },
|
|
{ "displacement map", SkDisplacementMapEffect::Create(
|
|
SkDisplacementMapEffect::kR_ChannelSelectorType,
|
|
SkDisplacementMapEffect::kB_ChannelSelectorType,
|
|
20.0f, gradientSource.get()) },
|
|
{ "blur", SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1) },
|
|
{ "drop shadow", SkDropShadowImageFilter::Create(
|
|
SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN,
|
|
SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode) },
|
|
{ "diffuse lighting", SkLightingImageFilter::CreatePointLitDiffuse(
|
|
location, SK_ColorGREEN, 0, 0) },
|
|
{ "specular lighting",
|
|
SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0) },
|
|
{ "matrix convolution",
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1),
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode, false) },
|
|
{ "merge", SkMergeImageFilter::Create(nullptr, nullptr, SkXfermode::kSrcOver_Mode) },
|
|
{ "merge with disjoint inputs", SkMergeImageFilter::Create(
|
|
rectShaderFilterLeft, rectShaderFilterRight, SkXfermode::kSrcOver_Mode) },
|
|
{ "offset", SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1) },
|
|
{ "dilate", SkDilateImageFilter::Create(3, 2) },
|
|
{ "erode", SkErodeImageFilter::Create(2, 3) },
|
|
{ "tile", SkTileImageFilter::Create(SkRect::MakeXYWH(0, 0, 50, 50),
|
|
SkRect::MakeXYWH(0, 0, 100, 100), nullptr) },
|
|
{ "matrix", SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality) },
|
|
{ "blur and offset", SkOffsetImageFilter::Create(five, five, blur.get()) },
|
|
{ "picture and blur", SkBlurImageFilter::Create(five, five, pictureFilter.get()) },
|
|
{ "rect shader and blur", SkBlurImageFilter::Create(five, five, rectShaderFilter.get()) },
|
|
};
|
|
|
|
SkBitmap untiledResult, tiledResult;
|
|
const int width = 64, height = 64;
|
|
untiledResult.allocN32Pixels(width, height);
|
|
tiledResult.allocN32Pixels(width, height);
|
|
SkCanvas tiledCanvas(tiledResult);
|
|
SkCanvas untiledCanvas(untiledResult);
|
|
int tileSize = 8;
|
|
|
|
for (int scale = 1; scale <= 2; ++scale) {
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
tiledCanvas.clear(0);
|
|
untiledCanvas.clear(0);
|
|
SkPaint paint;
|
|
paint.setImageFilter(filters[i].fFilter);
|
|
paint.setTextSize(SkIntToScalar(height));
|
|
paint.setColor(SK_ColorWHITE);
|
|
SkString str;
|
|
const char* text = "ABC";
|
|
SkScalar ypos = SkIntToScalar(height);
|
|
untiledCanvas.save();
|
|
untiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
untiledCanvas.drawText(text, strlen(text), 0, ypos, paint);
|
|
untiledCanvas.restore();
|
|
for (int y = 0; y < height; y += tileSize) {
|
|
for (int x = 0; x < width; x += tileSize) {
|
|
tiledCanvas.save();
|
|
tiledCanvas.clipRect(SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize)));
|
|
tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
tiledCanvas.drawText(text, strlen(text), 0, ypos, paint);
|
|
tiledCanvas.restore();
|
|
}
|
|
}
|
|
untiledCanvas.flush();
|
|
tiledCanvas.flush();
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(untiledResult.getAddr32(0, y), tiledResult.getAddr32(0, y), untiledResult.rowBytes());
|
|
REPORTER_ASSERT_MESSAGE(reporter, !diffs, filters[i].fName);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
SkSafeUnref(filters[i].fFilter);
|
|
}
|
|
}
|
|
|
|
static void draw_saveLayer_picture(int width, int height, int tileSize,
|
|
SkBBHFactory* factory, SkBitmap* result) {
|
|
|
|
SkMatrix matrix;
|
|
matrix.setTranslate(SkIntToScalar(50), 0);
|
|
|
|
SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorWHITE, SkXfermode::kSrc_Mode));
|
|
SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf.get()));
|
|
SkAutoTUnref<SkImageFilter> imageFilter(SkImageFilter::CreateMatrixFilter(matrix, kNone_SkFilterQuality, cfif.get()));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(imageFilter.get());
|
|
SkPictureRecorder recorder;
|
|
SkRect bounds = SkRect::Make(SkIRect::MakeXYWH(0, 0, 50, 50));
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
factory, 0);
|
|
recordingCanvas->translate(-55, 0);
|
|
recordingCanvas->saveLayer(&bounds, &paint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture1(recorder.endRecording());
|
|
|
|
result->allocN32Pixels(width, height);
|
|
SkCanvas canvas(*result);
|
|
canvas.clear(0);
|
|
canvas.clipRect(SkRect::Make(SkIRect::MakeWH(tileSize, tileSize)));
|
|
canvas.drawPicture(picture1.get());
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDrawMatrixBBH, reporter) {
|
|
// Check that matrix filter when drawn tiled with BBH exactly
|
|
// matches the same thing drawn without BBH.
|
|
// Tests pass by not asserting.
|
|
|
|
const int width = 200, height = 200;
|
|
const int tileSize = 100;
|
|
SkBitmap result1, result2;
|
|
SkRTreeFactory factory;
|
|
|
|
draw_saveLayer_picture(width, height, tileSize, &factory, &result1);
|
|
draw_saveLayer_picture(width, height, tileSize, nullptr, &result2);
|
|
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static SkImageFilter* makeBlur(SkImageFilter* input = nullptr) {
|
|
return SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input);
|
|
}
|
|
|
|
static SkImageFilter* makeDropShadow(SkImageFilter* input = nullptr) {
|
|
return SkDropShadowImageFilter::Create(
|
|
SkIntToScalar(100), SkIntToScalar(100),
|
|
SkIntToScalar(10), SkIntToScalar(10),
|
|
SK_ColorBLUE, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
|
|
input, nullptr);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterBlurThenShadowBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterShadowThenBlurBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeDropShadow());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeBlur(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(SkDilateImageFilter::Create(2, 2));
|
|
SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-132, -132, 234, 234);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(filter1.get(), filter2.get()));
|
|
|
|
SkRect boundsSrc = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
|
|
SkRect expectedBounds = SkRect::MakeXYWH(
|
|
SkIntToScalar(-6), SkIntToScalar(-6), SkIntToScalar(112), SkIntToScalar(112));
|
|
SkRect boundsDst = SkRect::MakeEmpty();
|
|
composedFilter->computeFastBounds(boundsSrc, &boundsDst);
|
|
|
|
REPORTER_ASSERT(reporter, boundsDst == expectedBounds);
|
|
}
|
|
|
|
static void draw_blurred_rect(SkCanvas* canvas) {
|
|
SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(SkIntToScalar(8), 0));
|
|
SkPaint filterPaint;
|
|
filterPaint.setColor(SK_ColorWHITE);
|
|
filterPaint.setImageFilter(filter);
|
|
canvas->saveLayer(nullptr, &filterPaint);
|
|
SkPaint whitePaint;
|
|
whitePaint.setColor(SK_ColorWHITE);
|
|
canvas->drawRect(SkRect::Make(SkIRect::MakeWH(4, 4)), whitePaint);
|
|
canvas->restore();
|
|
}
|
|
|
|
static void draw_picture_clipped(SkCanvas* canvas, const SkRect& clipRect, const SkPicture* picture) {
|
|
canvas->save();
|
|
canvas->clipRect(clipRect);
|
|
canvas->drawPicture(picture);
|
|
canvas->restore();
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDrawTiledBlurRTree, reporter) {
|
|
// Check that the blur filter when recorded with RTree acceleration,
|
|
// and drawn tiled (with subsequent clip rects) exactly
|
|
// matches the same filter drawn with without RTree acceleration.
|
|
// This tests that the "bleed" from the blur into the otherwise-blank
|
|
// tiles is correctly rendered.
|
|
// Tests pass by not asserting.
|
|
|
|
int width = 16, height = 8;
|
|
SkBitmap result1, result2;
|
|
result1.allocN32Pixels(width, height);
|
|
result2.allocN32Pixels(width, height);
|
|
SkCanvas canvas1(result1);
|
|
SkCanvas canvas2(result2);
|
|
int tileSize = 8;
|
|
|
|
canvas1.clear(0);
|
|
canvas2.clear(0);
|
|
|
|
SkRTreeFactory factory;
|
|
|
|
SkPictureRecorder recorder1, recorder2;
|
|
// The only difference between these two pictures is that one has RTree aceleration.
|
|
SkCanvas* recordingCanvas1 = recorder1.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
nullptr, 0);
|
|
SkCanvas* recordingCanvas2 = recorder2.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
&factory, 0);
|
|
draw_blurred_rect(recordingCanvas1);
|
|
draw_blurred_rect(recordingCanvas2);
|
|
SkAutoTUnref<SkPicture> picture1(recorder1.endRecording());
|
|
SkAutoTUnref<SkPicture> picture2(recorder2.endRecording());
|
|
for (int y = 0; y < height; y += tileSize) {
|
|
for (int x = 0; x < width; x += tileSize) {
|
|
SkRect tileRect = SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize));
|
|
draw_picture_clipped(&canvas1, tileRect, picture1);
|
|
draw_picture_clipped(&canvas2, tileRect, picture2);
|
|
}
|
|
}
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolution, reporter) {
|
|
// Check that a 1x3 filter does not cause a spurious assert.
|
|
SkScalar kernel[3] = {
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
};
|
|
SkISize kernelSize = SkISize::Make(1, 3);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(0, 0);
|
|
|
|
SkAutoTUnref<SkImageFilter> filter(
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode, false));
|
|
|
|
SkBitmap result;
|
|
int width = 16, height = 16;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(filter);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height));
|
|
canvas.drawRect(rect, paint);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolutionBorder, reporter) {
|
|
// Check that a filter with borders outside the target bounds
|
|
// does not crash.
|
|
SkScalar kernel[3] = {
|
|
0, 0, 0,
|
|
};
|
|
SkISize kernelSize = SkISize::Make(3, 1);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(2, 0);
|
|
|
|
SkAutoTUnref<SkImageFilter> filter(
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kClamp_TileMode, true));
|
|
|
|
SkBitmap result;
|
|
|
|
int width = 10, height = 10;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint filterPaint;
|
|
filterPaint.setImageFilter(filter);
|
|
SkRect bounds = SkRect::MakeWH(1, 10);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height));
|
|
SkPaint rectPaint;
|
|
canvas.saveLayer(&bounds, &filterPaint);
|
|
canvas.drawRect(rect, rectPaint);
|
|
canvas.restore();
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCropRect, reporter) {
|
|
const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props));
|
|
SkImageFilter::Proxy proxy(device);
|
|
|
|
test_crop_rects(&proxy, reporter);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrix, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkCanvas canvas(temp);
|
|
canvas.scale(SkIntToScalar(2), SkIntToScalar(2));
|
|
|
|
SkMatrix expectedMatrix = canvas.getTotalMatrix();
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(100, 100, &factory, 0);
|
|
|
|
SkPaint paint;
|
|
SkAutoTUnref<MatrixTestImageFilter> imageFilter(
|
|
new MatrixTestImageFilter(reporter, expectedMatrix));
|
|
paint.setImageFilter(imageFilter.get());
|
|
recordingCanvas->saveLayer(nullptr, &paint);
|
|
SkPaint solidPaint;
|
|
solidPaint.setColor(0xFFFFFFFF);
|
|
recordingCanvas->save();
|
|
recordingCanvas->scale(SkIntToScalar(10), SkIntToScalar(10));
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(100, 100)), solidPaint);
|
|
recordingCanvas->restore(); // scale
|
|
recordingCanvas->restore(); // saveLayer
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
canvas.drawPicture(picture);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCrossProcessPictureImageFilter, reporter) {
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0);
|
|
|
|
// Create an SkPicture which simply draws a green 1x1 rectangle.
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
// Wrap that SkPicture in an SkPictureImageFilter.
|
|
SkAutoTUnref<SkImageFilter> imageFilter(
|
|
SkPictureImageFilter::Create(picture.get()));
|
|
|
|
// Check that SkPictureImageFilter successfully serializes its contained
|
|
// SkPicture when not in cross-process mode.
|
|
SkPaint paint;
|
|
paint.setImageFilter(imageFilter.get());
|
|
SkPictureRecorder outerRecorder;
|
|
SkCanvas* outerCanvas = outerRecorder.beginRecording(1, 1, &factory, 0);
|
|
SkPaint redPaintWithFilter;
|
|
redPaintWithFilter.setColor(SK_ColorRED);
|
|
redPaintWithFilter.setImageFilter(imageFilter.get());
|
|
outerCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter);
|
|
SkAutoTUnref<SkPicture> outerPicture(outerRecorder.endRecording());
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(1, 1);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
// The result here should be green, since the filter replaces the primitive's red interior.
|
|
canvas.clear(0x0);
|
|
canvas.drawPicture(outerPicture);
|
|
uint32_t pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
// Check that, for now, SkPictureImageFilter does not serialize or
|
|
// deserialize its contained picture when the filter is serialized
|
|
// cross-process. Do this by "laundering" it through SkValidatingReadBuffer.
|
|
SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(imageFilter.get()));
|
|
SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable(
|
|
data->data(), data->size(), SkImageFilter::GetFlattenableType()));
|
|
SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get());
|
|
|
|
redPaintWithFilter.setImageFilter(unflattenedFilter);
|
|
SkPictureRecorder crossProcessRecorder;
|
|
SkCanvas* crossProcessCanvas = crossProcessRecorder.beginRecording(1, 1, &factory, 0);
|
|
crossProcessCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter);
|
|
SkAutoTUnref<SkPicture> crossProcessPicture(crossProcessRecorder.endRecording());
|
|
|
|
canvas.clear(0x0);
|
|
canvas.drawPicture(crossProcessPicture);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
// If the security precautions are enabled, the result here should not be green, since the
|
|
// filter draws nothing.
|
|
REPORTER_ASSERT(reporter, SkPicture::PictureIOSecurityPrecautionsEnabled()
|
|
? pixel != SK_ColorGREEN : pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) {
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0);
|
|
|
|
// Create an SkPicture which simply draws a green 1x1 rectangle.
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
SkAutoTUnref<SkImageFilter> imageFilter(SkPictureImageFilter::Create(picture.get()));
|
|
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), nullptr);
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(2, 2);
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
SkBitmapDevice device(bitmap, props);
|
|
SkImageFilter::Proxy proxy(&device);
|
|
REPORTER_ASSERT(reporter, !imageFilter->filterImage(&proxy, bitmap, ctx, &result, &offset));
|
|
}
|
|
|
|
DEF_TEST(ImageFilterEmptySaveLayer, reporter) {
|
|
// Even when there's an empty saveLayer()/restore(), ensure that an image
|
|
// filter or color filter which affects transparent black still draws.
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(10, 10);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
|
|
SkAutoTUnref<SkColorFilter> green(
|
|
SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode));
|
|
SkAutoTUnref<SkColorFilterImageFilter> imageFilter(
|
|
SkColorFilterImageFilter::Create(green.get()));
|
|
SkPaint imageFilterPaint;
|
|
imageFilterPaint.setImageFilter(imageFilter.get());
|
|
SkPaint colorFilterPaint;
|
|
colorFilterPaint.setColorFilter(green.get());
|
|
|
|
SkRect bounds = SkRect::MakeWH(10, 10);
|
|
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(&bounds, &imageFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture);
|
|
uint32_t pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(nullptr, &imageFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture2(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture2);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(&bounds, &colorFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture3(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture3);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
static void test_huge_blur(SkCanvas* canvas, skiatest::Reporter* reporter) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
|
|
// Check that a blur with an insane radius does not crash or assert.
|
|
SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(SkIntToScalar(1<<30), SkIntToScalar(1<<30)));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(blur);
|
|
canvas->drawSprite(bitmap, 0, 0, &paint);
|
|
}
|
|
|
|
DEF_TEST(HugeBlurImageFilter, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkCanvas canvas(temp);
|
|
test_huge_blur(&canvas, reporter);
|
|
}
|
|
|
|
DEF_TEST(MatrixConvolutionSanityTest, reporter) {
|
|
SkScalar kernel[1] = { 0 };
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(1, 1);
|
|
|
|
// Check that an enormous (non-allocatable) kernel gives a nullptr filter.
|
|
SkAutoTUnref<SkImageFilter> conv(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1<<30, 1<<30),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that a nullptr kernel gives a nullptr filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1, 1),
|
|
nullptr,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that a kernel width < 1 gives a nullptr filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(0, 1),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that kernel height < 1 gives a nullptr filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1, -1),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
}
|
|
|
|
static void test_xfermode_cropped_input(SkCanvas* canvas, skiatest::Reporter* reporter) {
|
|
canvas->clear(0);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(1, 1);
|
|
bitmap.eraseARGB(255, 255, 255, 255);
|
|
|
|
SkAutoTUnref<SkColorFilter> green(
|
|
SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_Mode));
|
|
SkAutoTUnref<SkColorFilterImageFilter> greenFilter(
|
|
SkColorFilterImageFilter::Create(green.get()));
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeEmpty());
|
|
SkAutoTUnref<SkColorFilterImageFilter> croppedOut(
|
|
SkColorFilterImageFilter::Create(green.get(), nullptr, &cropRect));
|
|
|
|
// Check that an xfermode image filter whose input has been cropped out still draws the other
|
|
// input. Also check that drawing with both inputs cropped out doesn't cause a GPU warning.
|
|
SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcOver_Mode);
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoFg(
|
|
SkXfermodeImageFilter::Create(mode, greenFilter, croppedOut));
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoBg(
|
|
SkXfermodeImageFilter::Create(mode, croppedOut, greenFilter));
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoFgNoBg(
|
|
SkXfermodeImageFilter::Create(mode, croppedOut, croppedOut));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(xfermodeNoFg);
|
|
canvas->drawSprite(bitmap, 0, 0, &paint);
|
|
|
|
uint32_t pixel;
|
|
SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType);
|
|
canvas->readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(xfermodeNoBg);
|
|
canvas->drawSprite(bitmap, 0, 0, &paint);
|
|
canvas->readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(xfermodeNoFgNoBg);
|
|
canvas->drawSprite(bitmap, 0, 0, &paint);
|
|
canvas->readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterNestedSaveLayer, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(50, 50);
|
|
SkCanvas canvas(temp);
|
|
canvas.clear(0x0);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(10, 10);
|
|
bitmap.eraseColor(SK_ColorGREEN);
|
|
|
|
SkMatrix matrix;
|
|
matrix.setScale(SkIntToScalar(2), SkIntToScalar(2));
|
|
matrix.postTranslate(SkIntToScalar(-20), SkIntToScalar(-20));
|
|
SkAutoTUnref<SkImageFilter> matrixFilter(
|
|
SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality));
|
|
|
|
// Test that saveLayer() with a filter nested inside another saveLayer() applies the
|
|
// correct offset to the filter matrix.
|
|
SkRect bounds1 = SkRect::MakeXYWH(10, 10, 30, 30);
|
|
canvas.saveLayer(&bounds1, nullptr);
|
|
SkPaint filterPaint;
|
|
filterPaint.setImageFilter(matrixFilter);
|
|
SkRect bounds2 = SkRect::MakeXYWH(20, 20, 10, 10);
|
|
canvas.saveLayer(&bounds2, &filterPaint);
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
canvas.drawRect(bounds2, greenPaint);
|
|
canvas.restore();
|
|
canvas.restore();
|
|
SkPaint strokePaint;
|
|
strokePaint.setStyle(SkPaint::kStroke_Style);
|
|
strokePaint.setColor(SK_ColorRED);
|
|
|
|
SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType);
|
|
uint32_t pixel;
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
// Test that drawSprite() with a filter nested inside a saveLayer() applies the
|
|
// correct offset to the filter matrix.
|
|
canvas.clear(0x0);
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
canvas.saveLayer(&bounds1, nullptr);
|
|
canvas.drawSprite(bitmap, 20, 20, &filterPaint);
|
|
canvas.restore();
|
|
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(XfermodeImageFilterCroppedInput, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkCanvas canvas(temp);
|
|
test_xfermode_cropped_input(&canvas, reporter);
|
|
}
|
|
|
|
DEF_TEST(ComposedImageFilterOffset, reporter) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
SkBitmapDevice device(bitmap, props);
|
|
SkImageFilter::Proxy proxy(&device);
|
|
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(1, 0, 20, 20));
|
|
SkAutoTUnref<SkImageFilter> offsetFilter(SkOffsetImageFilter::Create(0, 0, nullptr, &cropRect));
|
|
SkAutoTUnref<SkImageFilter> blurFilter(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(blurFilter, offsetFilter.get()));
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), nullptr);
|
|
REPORTER_ASSERT(reporter, composedFilter->filterImage(&proxy, bitmap, ctx, &result, &offset));
|
|
REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0);
|
|
}
|
|
|
|
DEF_TEST(PartialCropRect, reporter) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
SkBitmapDevice device(bitmap, props);
|
|
SkImageFilter::Proxy proxy(&device);
|
|
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(100, 0, 20, 30),
|
|
SkImageFilter::CropRect::kHasWidth_CropEdge | SkImageFilter::CropRect::kHasHeight_CropEdge);
|
|
SkAutoTUnref<SkImageFilter> filter(make_grayscale(nullptr, &cropRect));
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), nullptr);
|
|
REPORTER_ASSERT(reporter, filter->filterImage(&proxy, bitmap, ctx, &result, &offset));
|
|
REPORTER_ASSERT(reporter, offset.fX == 0);
|
|
REPORTER_ASSERT(reporter, offset.fY == 0);
|
|
REPORTER_ASSERT(reporter, result.width() == 20);
|
|
REPORTER_ASSERT(reporter, result.height() == 30);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCanComputeFastBounds, reporter) {
|
|
|
|
SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
|
|
SkAutoTUnref<SkImageFilter> lighting(SkLightingImageFilter::CreatePointLitDiffuse(
|
|
location, SK_ColorGREEN, 0, 0));
|
|
REPORTER_ASSERT(reporter, !lighting->canComputeFastBounds());
|
|
|
|
SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr));
|
|
REPORTER_ASSERT(reporter, gray->canComputeFastBounds());
|
|
{
|
|
SkColorFilter* grayCF;
|
|
REPORTER_ASSERT(reporter, gray->asAColorFilter(&grayCF));
|
|
REPORTER_ASSERT(reporter, !grayCF->affectsTransparentBlack());
|
|
grayCF->unref();
|
|
}
|
|
REPORTER_ASSERT(reporter, gray->canComputeFastBounds());
|
|
|
|
SkAutoTUnref<SkImageFilter> grayBlur(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, gray.get()));
|
|
REPORTER_ASSERT(reporter, grayBlur->canComputeFastBounds());
|
|
|
|
SkScalar greenMatrix[20] = { 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1,
|
|
0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1 };
|
|
SkAutoTUnref<SkColorFilter> greenCF(SkColorMatrixFilter::Create(greenMatrix));
|
|
SkAutoTUnref<SkImageFilter> green(SkColorFilterImageFilter::Create(greenCF));
|
|
|
|
REPORTER_ASSERT(reporter, greenCF->affectsTransparentBlack());
|
|
REPORTER_ASSERT(reporter, !green->canComputeFastBounds());
|
|
|
|
SkAutoTUnref<SkImageFilter> greenBlur(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, green.get()));
|
|
REPORTER_ASSERT(reporter, !greenBlur->canComputeFastBounds());
|
|
|
|
uint8_t allOne[256], identity[256];
|
|
for (int i = 0; i < 256; ++i) {
|
|
identity[i] = i;
|
|
allOne[i] = 255;
|
|
}
|
|
|
|
SkAutoTUnref<SkColorFilter> identityCF(
|
|
SkTableColorFilter::CreateARGB(identity, identity, identity, allOne));
|
|
SkAutoTUnref<SkImageFilter> identityFilter(SkColorFilterImageFilter::Create(identityCF.get()));
|
|
REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack());
|
|
REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds());
|
|
|
|
SkAutoTUnref<SkColorFilter> forceOpaqueCF(
|
|
SkTableColorFilter::CreateARGB(allOne, identity, identity, identity));
|
|
SkAutoTUnref<SkImageFilter> forceOpaque(SkColorFilterImageFilter::Create(forceOpaqueCF.get()));
|
|
REPORTER_ASSERT(reporter, forceOpaqueCF->affectsTransparentBlack());
|
|
REPORTER_ASSERT(reporter, !forceOpaque->canComputeFastBounds());
|
|
}
|
|
|
|
// Verify that SkImageSource survives serialization
|
|
DEF_TEST(ImageFilterImageSourceSerialization, reporter) {
|
|
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10));
|
|
surface->getCanvas()->clear(SK_ColorGREEN);
|
|
SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
|
|
SkAutoTUnref<SkImageFilter> filter(SkImageSource::Create(image));
|
|
|
|
SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter));
|
|
SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable(
|
|
data->data(), data->size(), SkImageFilter::GetFlattenableType()));
|
|
SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get());
|
|
REPORTER_ASSERT(reporter, unflattenedFilter);
|
|
|
|
SkBitmap bm;
|
|
bm.allocN32Pixels(10, 10);
|
|
bm.eraseColor(SK_ColorBLUE);
|
|
SkPaint paint;
|
|
paint.setColor(SK_ColorRED);
|
|
paint.setImageFilter(unflattenedFilter);
|
|
|
|
SkCanvas canvas(bm);
|
|
canvas.drawRect(SkRect::MakeWH(10, 10), paint);
|
|
REPORTER_ASSERT(reporter, *bm.getAddr32(0, 0) == SkPreMultiplyColor(SK_ColorGREEN));
|
|
}
|
|
|
|
#if SK_SUPPORT_GPU
|
|
|
|
DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
if (nullptr == context) {
|
|
return;
|
|
}
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(100, 100),
|
|
0,
|
|
&props,
|
|
SkGpuDevice::kUninit_InitContents));
|
|
SkImageFilter::Proxy proxy(device);
|
|
|
|
test_crop_rects(&proxy, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(HugeBlurImageFilterGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
if (nullptr == context) {
|
|
return;
|
|
}
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(100, 100),
|
|
0,
|
|
&props,
|
|
SkGpuDevice::kUninit_InitContents));
|
|
SkCanvas canvas(device);
|
|
|
|
test_huge_blur(&canvas, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(XfermodeImageFilterCroppedInputGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
if (nullptr == context) {
|
|
return;
|
|
}
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(1, 1),
|
|
0,
|
|
&props,
|
|
SkGpuDevice::kUninit_InitContents));
|
|
SkCanvas canvas(device);
|
|
|
|
test_xfermode_cropped_input(&canvas, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(TestNegativeBlurSigmaGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
if (nullptr == context) {
|
|
return;
|
|
}
|
|
const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(1, 1),
|
|
0,
|
|
&props,
|
|
SkGpuDevice::kUninit_InitContents));
|
|
SkImageFilter::Proxy proxy(device);
|
|
|
|
test_negative_blur_sigma(&proxy, reporter);
|
|
}
|
|
#endif
|