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Unified Diff: tests/ImageFilterTest.cpp.orig

Issue 1912583002: Remove stray files (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 8 months ago
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Index: tests/ImageFilterTest.cpp.orig
diff --git a/tests/ImageFilterTest.cpp.orig b/tests/ImageFilterTest.cpp.orig
deleted file mode 100644
index 52e5fefdb2229085b7d2a34800b5964c0244c1fc..0000000000000000000000000000000000000000
--- a/tests/ImageFilterTest.cpp.orig
+++ /dev/null
@@ -1,1702 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBitmap.h"
-#include "SkBitmapDevice.h"
-#include "SkBlurImageFilter.h"
-#include "SkCanvas.h"
-#include "SkColorFilterImageFilter.h"
-#include "SkColorMatrixFilter.h"
-#include "SkComposeImageFilter.h"
-#include "SkDisplacementMapEffect.h"
-#include "SkDropShadowImageFilter.h"
-#include "SkFlattenableSerialization.h"
-#include "SkGradientShader.h"
-#include "SkImage.h"
-#include "SkImageSource.h"
-#include "SkLightingImageFilter.h"
-#include "SkMatrixConvolutionImageFilter.h"
-#include "SkMergeImageFilter.h"
-#include "SkMorphologyImageFilter.h"
-#include "SkOffsetImageFilter.h"
-#include "SkPaintImageFilter.h"
-#include "SkPerlinNoiseShader.h"
-#include "SkPicture.h"
-#include "SkPictureImageFilter.h"
-#include "SkPictureRecorder.h"
-#include "SkPoint3.h"
-#include "SkReadBuffer.h"
-#include "SkRect.h"
-#include "SkSpecialImage.h"
-#include "SkSpecialSurface.h"
-#include "SkSurface.h"
-#include "SkTableColorFilter.h"
-#include "SkTileImageFilter.h"
-#include "SkXfermodeImageFilter.h"
-#include "Test.h"
-#include "TestingSpecialImageAccess.h"
-
-#if SK_SUPPORT_GPU
-#include "GrContext.h"
-#include "SkGpuDevice.h"
-#endif
-
-static const int kBitmapSize = 4;
-
-namespace {
-
-class MatrixTestImageFilter : public SkImageFilter {
-public:
- static sk_sp<SkImageFilter> Make(skiatest::Reporter* reporter,
- const SkMatrix& expectedMatrix) {
- return sk_sp<SkImageFilter>(new MatrixTestImageFilter(reporter, expectedMatrix));
- }
-
- SK_TO_STRING_OVERRIDE()
- SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter)
-
-protected:
- sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context& ctx,
- SkIPoint* offset) const override {
- REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix);
- offset->fX = offset->fY = 0;
- return sk_ref_sp<SkSpecialImage>(source);
- }
-
- void flatten(SkWriteBuffer& buffer) const override {
- this->INHERITED::flatten(buffer);
- buffer.writeFunctionPtr(fReporter);
- buffer.writeMatrix(fExpectedMatrix);
- }
-
-private:
- MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix)
- : INHERITED(nullptr, 0, nullptr)
- , fReporter(reporter)
- , fExpectedMatrix(expectedMatrix) {
- }
-
- skiatest::Reporter* fReporter;
- SkMatrix fExpectedMatrix;
-
- typedef SkImageFilter INHERITED;
-};
-
-class FailImageFilter : public SkImageFilter {
-public:
- FailImageFilter() : SkImageFilter(0, nullptr) {
- }
-
- sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source,
- const Context& ctx,
- SkIPoint* offset) const override {
- return nullptr;
- }
-
- SK_TO_STRING_OVERRIDE()
- SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(FailImageFilter)
-
-private:
- typedef SkImageFilter INHERITED;
-};
-
-sk_sp<SkFlattenable> FailImageFilter::CreateProc(SkReadBuffer& buffer) {
- SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
- return sk_sp<SkFlattenable>(new FailImageFilter());
-}
-
-#ifndef SK_IGNORE_TO_STRING
-void FailImageFilter::toString(SkString* str) const {
- str->appendf("FailImageFilter: (");
- str->append(")");
-}
-#endif
-
-void draw_gradient_circle(SkCanvas* canvas, int width, int height) {
- SkScalar x = SkIntToScalar(width / 2);
- SkScalar y = SkIntToScalar(height / 2);
- SkScalar radius = SkMinScalar(x, y) * 0.8f;
- canvas->clear(0x00000000);
- SkColor colors[2];
- colors[0] = SK_ColorWHITE;
- colors[1] = SK_ColorBLACK;
- sk_sp<SkShader> shader(
- SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
- SkShader::kClamp_TileMode)
- );
- SkPaint paint;
- paint.setShader(shader);
- canvas->drawCircle(x, y, radius, paint);
-}
-
-SkBitmap make_gradient_circle(int width, int height) {
- SkBitmap bitmap;
- bitmap.allocN32Pixels(width, height);
- SkCanvas canvas(bitmap);
- draw_gradient_circle(&canvas, width, height);
- return bitmap;
-}
-
-class FilterList {
-public:
- FilterList(sk_sp<SkImageFilter> input, const SkImageFilter::CropRect* cropRect = nullptr) {
- SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
- SkScalar kernel[9] = {
- SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
- SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
- SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
- };
- const SkISize kernelSize = SkISize::Make(3, 3);
- const SkScalar gain = SK_Scalar1, bias = 0;
- const SkScalar five = SkIntToScalar(5);
-
- SkMatrix matrix;
-
- matrix.setTranslate(SK_Scalar1, SK_Scalar1);
- matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1);
-
- {
- sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorRED,
- SkXfermode::kSrcIn_Mode));
-
- this->addFilter("color filter",
- SkColorFilterImageFilter::Create(cf.get(), input.get(), cropRect));
- }
-
- {
- sk_sp<SkImage> gradientImage(SkImage::MakeFromBitmap(make_gradient_circle(64, 64)));
- sk_sp<SkImageFilter> gradientSource(SkImageSource::Make(std::move(gradientImage)));
-
- this->addFilter("displacement map", SkDisplacementMapEffect::Create(
- SkDisplacementMapEffect::kR_ChannelSelectorType,
- SkDisplacementMapEffect::kB_ChannelSelectorType,
- 20.0f, gradientSource.get(), input.get(), cropRect));
- }
-
- this->addFilter("blur", SkBlurImageFilter::Make(SK_Scalar1,
- SK_Scalar1,
- input,
- cropRect).release());
- this->addFilter("drop shadow", SkDropShadowImageFilter::Create(
- SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN,
- SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
- input.get(), cropRect));
- this->addFilter("diffuse lighting", SkLightingImageFilter::CreatePointLitDiffuse(
- location, SK_ColorGREEN, 0, 0, input.get(), cropRect));
- this->addFilter("specular lighting",
- SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0,
- input.get(), cropRect));
- this->addFilter("matrix convolution",
- SkMatrixConvolutionImageFilter::Create(
- kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1),
- SkMatrixConvolutionImageFilter::kRepeat_TileMode, false,
- input.get(), cropRect));
- this->addFilter("merge", SkMergeImageFilter::Make(input, input,
- SkXfermode::kSrcOver_Mode,
- cropRect).release());
- {
- SkPaint greenColorShaderPaint;
- greenColorShaderPaint.setShader(SkShader::MakeColorShader(SK_ColorGREEN));
-
- SkImageFilter::CropRect leftSideCropRect(SkRect::MakeXYWH(0, 0, 32, 64));
- sk_sp<SkImageFilter> paintFilterLeft(SkPaintImageFilter::Make(greenColorShaderPaint,
- &leftSideCropRect));
- SkImageFilter::CropRect rightSideCropRect(SkRect::MakeXYWH(32, 0, 32, 64));
- sk_sp<SkImageFilter> paintFilterRight(SkPaintImageFilter::Make(greenColorShaderPaint,
- &rightSideCropRect));
-
-
- this->addFilter("merge with disjoint inputs", SkMergeImageFilter::Make(
- std::move(paintFilterLeft), std::move(paintFilterRight),
- SkXfermode::kSrcOver_Mode, cropRect).release());
- }
-
- this->addFilter("offset",
- SkOffsetImageFilter::Make(SK_Scalar1, SK_Scalar1, input,
- cropRect).release());
- this->addFilter("dilate", SkDilateImageFilter::Make(3, 2, input, cropRect).release());
- this->addFilter("erode", SkErodeImageFilter::Make(2, 3, input, cropRect).release());
- this->addFilter("tile", SkTileImageFilter::Create(
- SkRect::MakeXYWH(0, 0, 50, 50),
- cropRect ? cropRect->rect() : SkRect::MakeXYWH(0, 0, 100, 100),
- input.get()));
- if (!cropRect) {
- this->addFilter("matrix", SkImageFilter::CreateMatrixFilter(
- matrix, kLow_SkFilterQuality, input.get()));
- }
-
- {
- sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(five, five, input));
-
- this->addFilter("blur and offset", SkOffsetImageFilter::Make(five, five,
- std::move(blur),
- cropRect).release());
- }
- {
- 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);
- sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
- sk_sp<SkImageFilter> pictureFilter(SkPictureImageFilter::Make(std::move(picture)));
-
- this->addFilter("picture and blur", SkBlurImageFilter::Make(five, five,
- std::move(pictureFilter),
- cropRect).release());
- }
- {
- SkPaint paint;
- paint.setShader(SkPerlinNoiseShader::MakeTurbulence(SK_Scalar1, SK_Scalar1, 1, 0));
- sk_sp<SkImageFilter> paintFilter(SkPaintImageFilter::Make(paint));
-
- this->addFilter("paint and blur", SkBlurImageFilter::Make(five, five,
- std::move(paintFilter),
- cropRect).release());
- }
- this->addFilter("xfermode", SkXfermodeImageFilter::Make(
- SkXfermode::Make(SkXfermode::kSrc_Mode), input.get(), input.get(),
- cropRect).release());
- }
- int count() const { return fFilters.count(); }
- SkImageFilter* getFilter(int index) const { return fFilters[index].fFilter.get(); }
- const char* getName(int index) const { return fFilters[index].fName; }
-private:
- struct Filter {
- Filter() : fName(nullptr), fFilter(nullptr) {}
- Filter(const char* name, SkImageFilter* filter) : fName(name), fFilter(filter) {}
- const char* fName;
- sk_sp<SkImageFilter> fFilter;
- };
- void addFilter(const char* name, SkImageFilter* filter) {
- fFilters.push_back(Filter(name, filter));
- }
-
- SkTArray<Filter> fFilters;
-};
-
-}
-
-sk_sp<SkFlattenable> MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) {
- SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
- skiatest::Reporter* reporter = (skiatest::Reporter*)buffer.readFunctionPtr();
- SkMatrix matrix;
- buffer.readMatrix(&matrix);
- return MatrixTestImageFilter::Make(reporter, matrix);
-}
-
-#ifndef SK_IGNORE_TO_STRING
-void MatrixTestImageFilter::toString(SkString* str) const {
- str->appendf("MatrixTestImageFilter: (");
- str->append(")");
-}
-#endif
-
-static sk_sp<SkImage> make_small_image() {
- auto surface(SkSurface::MakeRasterN32Premul(kBitmapSize, kBitmapSize));
- SkCanvas* canvas = surface->getCanvas();
- canvas->clear(0x00000000);
- SkPaint darkPaint;
- darkPaint.setColor(0xFF804020);
- SkPaint lightPaint;
- lightPaint.setColor(0xFF244484);
- const int i = kBitmapSize / 4;
- for (int y = 0; y < kBitmapSize; y += i) {
- for (int x = 0; x < kBitmapSize; x += i) {
- canvas->save();
- canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
- canvas->drawRect(SkRect::MakeXYWH(0, 0,
- SkIntToScalar(i),
- SkIntToScalar(i)), darkPaint);
- canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
- 0,
- SkIntToScalar(i),
- SkIntToScalar(i)), lightPaint);
- canvas->drawRect(SkRect::MakeXYWH(0,
- SkIntToScalar(i),
- SkIntToScalar(i),
- SkIntToScalar(i)), lightPaint);
- canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
- SkIntToScalar(i),
- SkIntToScalar(i),
- SkIntToScalar(i)), darkPaint);
- canvas->restore();
- }
- }
-
- return surface->makeImageSnapshot();
-}
-
-static SkImageFilter* make_scale(float amount, SkImageFilter* input = nullptr) {
- SkScalar s = amount;
- SkScalar matrix[20] = { s, 0, 0, 0, 0,
- 0, s, 0, 0, 0,
- 0, 0, s, 0, 0,
- 0, 0, 0, s, 0 };
- auto filter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
- return SkColorFilterImageFilter::Create(filter.get(), input);
-}
-
-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;
- matrix[1] = matrix[6] = matrix[11] = 0.7152f;
- matrix[2] = matrix[7] = matrix[12] = 0.0722f;
- matrix[18] = 1.0f;
- auto filter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
- return SkColorFilterImageFilter::Create(filter.get(), input, cropRect);
-}
-
-static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) {
- auto filter(SkColorFilter::MakeModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode));
- return SkColorFilterImageFilter::Create(filter.get(), input, cropRect);
-}
-
-static sk_sp<SkSpecialSurface> create_empty_special_surface(GrContext* context,
- SkImageFilter::Proxy* proxy,
- int widthHeight) {
- if (context) {
- GrSurfaceDesc desc;
- desc.fConfig = kSkia8888_GrPixelConfig;
- desc.fFlags = kRenderTarget_GrSurfaceFlag;
- desc.fWidth = widthHeight;
- desc.fHeight = widthHeight;
- return SkSpecialSurface::MakeRenderTarget(proxy, context, desc);
- } else {
- const SkImageInfo info = SkImageInfo::MakeN32(widthHeight, widthHeight,
- kOpaque_SkAlphaType);
- return SkSpecialSurface::MakeRaster(proxy, info);
- }
-}
-
-static sk_sp<SkSpecialImage> create_empty_special_image(GrContext* context,
- SkImageFilter::Proxy* proxy,
- int widthHeight) {
- sk_sp<SkSpecialSurface> surf(create_empty_special_surface(context, proxy, widthHeight));
-
- SkASSERT(surf);
-
- SkCanvas* canvas = surf->getCanvas();
- SkASSERT(canvas);
-
- canvas->clear(0x0);
-
- return surf->makeImageSnapshot();
-}
-
-
-DEF_TEST(ImageFilter, reporter) {
- {
- // 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, nullptr == quarterBrightness->getInput(0));
- SkColorFilter* cf;
- REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf));
- REPORTER_ASSERT(reporter, cf->asColorMatrix(nullptr));
- cf->unref();
- }
-
- {
- // 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, nullptr == halfBrightness->getInput(0));
- SkColorFilter* cf;
- REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf));
- REPORTER_ASSERT(reporter, !cf->asColorMatrix(nullptr));
- 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(nullptr, nullptr));
- REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr));
- }
-
- {
- // 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(nullptr, nullptr));
- SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, nullptr));
- REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr));
- }
-
- {
- // Test that if we exceed the limit of what ComposeColorFilter can combine, we still
- // can build the DAG and won't assert if we call asColorFilter.
- SkAutoTUnref<SkImageFilter> filter(make_blue(nullptr, nullptr));
- const int kWayTooManyForComposeColorFilter = 100;
- for (int i = 0; i < kWayTooManyForComposeColorFilter; ++i) {
- filter.reset(make_blue(filter, nullptr));
- // the first few of these will succeed, but after we hit the internal limit,
- // it will then return false.
- (void)filter->asColorFilter(nullptr);
- }
- }
-
- {
- // Check that a color filter image filter with a crop rect cannot
- // be expressed as a color filter.
- SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100));
- SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(nullptr, &cropRect));
- REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(nullptr));
- }
-
- {
- // 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;
- auto blueToRed(SkColorFilter::MakeMatrixFilterRowMajor255(blueToRedMatrix));
- SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blueToRed.get()));
- auto redToGreen(SkColorFilter::MakeMatrixFilterRowMajor255(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
- sk_sp<SkImage> image(make_small_image());
- SkBitmap result;
- result.allocN32Pixels(kBitmapSize, kBitmapSize);
-
- {
- // This tests for :
- // 1 ) location at (0,0,1)
- SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
- // 2 ) location and target at same value
- SkPoint3 target = SkPoint3::Make(location.fX, location.fY, location.fZ);
- // 3 ) large negative specular exponent value
- SkScalar specularExponent = -1000;
-
- sk_sp<SkImageFilter> bmSrc(SkImageSource::Make(std::move(image)));
- SkPaint paint;
- paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular(
- location, target, specularExponent, 180,
- 0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1,
- bmSrc.get()))->unref();
- SkCanvas canvas(result);
- SkRect r = SkRect::MakeWH(SkIntToScalar(kBitmapSize),
- SkIntToScalar(kBitmapSize));
- canvas.drawRect(r, paint);
- }
- }
-}
-
-static void test_crop_rects(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- // Check that all filters offset to their absolute crop rect,
- // unaffected by the input crop rect.
- // Tests pass by not asserting.
- sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100));
- SkASSERT(srcImg);
-
- SkImageFilter::CropRect inputCropRect(SkRect::MakeXYWH(8, 13, 80, 80));
- SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 30, 60, 60));
- sk_sp<SkImageFilter> input(make_grayscale(nullptr, &inputCropRect));
-
- FilterList filters(input, &cropRect);
-
- for (int i = 0; i < filters.count(); ++i) {
- SkImageFilter* filter = filters.getFilter(i);
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr);
- sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offset));
- REPORTER_ASSERT_MESSAGE(reporter, resultImg, filters.getName(i));
- REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, filters.getName(i));
- }
-}
-
-static void test_negative_blur_sigma(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- // Check that SkBlurImageFilter will accept a negative sigma, either in
- // the given arguments or after CTM application.
- const int width = 32, height = 32;
- const SkScalar five = SkIntToScalar(5);
-
- sk_sp<SkImageFilter> positiveFilter(SkBlurImageFilter::Make(five, five, nullptr));
- sk_sp<SkImageFilter> negativeFilter(SkBlurImageFilter::Make(-five, five, nullptr));
-
- SkBitmap gradient = make_gradient_circle(width, height);
- sk_sp<SkSpecialImage> imgSrc(SkSpecialImage::MakeFromRaster(proxy,
- SkIRect::MakeWH(width, height),
- gradient));
-
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr);
-
- sk_sp<SkSpecialImage> positiveResult1(positiveFilter->filterImage(imgSrc.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, positiveResult1);
-
- sk_sp<SkSpecialImage> negativeResult1(negativeFilter->filterImage(imgSrc.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, negativeResult1);
-
- SkMatrix negativeScale;
- negativeScale.setScale(-SK_Scalar1, SK_Scalar1);
- SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeWH(32, 32), nullptr);
-
- sk_sp<SkSpecialImage> negativeResult2(positiveFilter->filterImage(imgSrc.get(),
- negativeCTX,
- &offset));
- REPORTER_ASSERT(reporter, negativeResult2);
-
- sk_sp<SkSpecialImage> positiveResult2(negativeFilter->filterImage(imgSrc.get(),
- negativeCTX,
- &offset));
- REPORTER_ASSERT(reporter, positiveResult2);
-
-
- SkBitmap positiveResultBM1, positiveResultBM2;
- SkBitmap negativeResultBM1, negativeResultBM2;
-
- TestingSpecialImageAccess::GetROPixels(positiveResult1.get(), &positiveResultBM1);
- TestingSpecialImageAccess::GetROPixels(positiveResult2.get(), &positiveResultBM2);
- TestingSpecialImageAccess::GetROPixels(negativeResult1.get(), &negativeResultBM1);
- TestingSpecialImageAccess::GetROPixels(negativeResult2.get(), &negativeResultBM2);
-
- SkAutoLockPixels lockP1(positiveResultBM1);
- SkAutoLockPixels lockP2(positiveResultBM2);
- SkAutoLockPixels lockN1(negativeResultBM1);
- SkAutoLockPixels lockN2(negativeResultBM2);
- for (int y = 0; y < height; y++) {
- int diffs = memcmp(positiveResultBM1.getAddr32(0, y),
- negativeResultBM1.getAddr32(0, y),
- positiveResultBM1.rowBytes());
- REPORTER_ASSERT(reporter, !diffs);
- if (diffs) {
- break;
- }
- diffs = memcmp(positiveResultBM1.getAddr32(0, y),
- negativeResultBM2.getAddr32(0, y),
- positiveResultBM1.rowBytes());
- REPORTER_ASSERT(reporter, !diffs);
- if (diffs) {
- break;
- }
- diffs = memcmp(positiveResultBM1.getAddr32(0, y),
- positiveResultBM2.getAddr32(0, y),
- positiveResultBM1.rowBytes());
- REPORTER_ASSERT(reporter, !diffs);
- if (diffs) {
- break;
- }
- }
-}
-
-typedef void (*PFTest)(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context);
-
-static void run_raster_test(skiatest::Reporter* reporter,
- int widthHeight,
- PFTest test) {
- const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
-
- const SkImageInfo info = SkImageInfo::MakeN32Premul(widthHeight, widthHeight);
-
- SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props));
- SkImageFilter::DeviceProxy proxy(device);
-
- (*test)(&proxy, reporter, nullptr);
-}
-
-#if SK_SUPPORT_GPU
-static void run_gpu_test(skiatest::Reporter* reporter,
- GrContext* context,
- int widthHeight,
- PFTest test) {
- const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
-
- SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
- SkBudgeted::kNo,
- SkImageInfo::MakeN32Premul(widthHeight,
- widthHeight),
- 0,
- &props,
- SkGpuDevice::kUninit_InitContents));
- SkImageFilter::DeviceProxy proxy(device);
-
- (*test)(&proxy, reporter, context);
-}
-#endif
-
-DEF_TEST(TestNegativeBlurSigma, reporter) {
- run_raster_test(reporter, 100, test_negative_blur_sigma);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(TestNegativeBlurSigma_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_negative_blur_sigma);
-}
-#endif
-
-static void test_zero_blur_sigma(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- // Check that SkBlurImageFilter with a zero sigma and a non-zero srcOffset works correctly.
- SkImageFilter::CropRect cropRect(SkRect::Make(SkIRect::MakeXYWH(5, 0, 5, 10)));
- sk_sp<SkImageFilter> input(SkOffsetImageFilter::Make(0, 0, nullptr, &cropRect));
- sk_sp<SkImageFilter> filter(SkBlurImageFilter::Make(0, 0, std::move(input), &cropRect));
-
- sk_sp<SkSpecialSurface> surf(create_empty_special_surface(context, proxy, 10));
- surf->getCanvas()->clear(SK_ColorGREEN);
- sk_sp<SkSpecialImage> image(surf->makeImageSnapshot());
-
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr);
-
- sk_sp<SkSpecialImage> result(filter->filterImage(image.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, offset.fX == 5 && offset.fY == 0);
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, result->width() == 5 && result->height() == 10);
-
- SkBitmap resultBM;
-
- TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM);
-
- SkAutoLockPixels lock(resultBM);
- for (int y = 0; y < resultBM.height(); y++) {
- for (int x = 0; x < resultBM.width(); x++) {
- bool diff = *resultBM.getAddr32(x, y) != SK_ColorGREEN;
- REPORTER_ASSERT(reporter, !diff);
- if (diff) {
- break;
- }
- }
- }
-}
-
-DEF_TEST(TestZeroBlurSigma, reporter) {
- run_raster_test(reporter, 100, test_zero_blur_sigma);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(TestZeroBlurSigma_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_zero_blur_sigma);
-}
-#endif
-
-
-// Tests that, even when an upstream filter has returned null (due to failure or clipping), a
-// downstream filter that affects transparent black still does so even with a nullptr input.
-static void test_fail_affects_transparent_black(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- sk_sp<FailImageFilter> failFilter(new FailImageFilter());
- sk_sp<SkSpecialImage> source(create_empty_special_image(context, proxy, 5));
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 1, 1), nullptr);
- sk_sp<SkColorFilter> green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode));
- SkASSERT(green->affectsTransparentBlack());
- sk_sp<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(green.get(),
- failFilter.get()));
- SkIPoint offset;
- sk_sp<SkSpecialImage> result(greenFilter->filterImage(source.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, nullptr != result.get());
- if (result.get()) {
- SkBitmap resultBM;
- TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM);
- SkAutoLockPixels lock(resultBM);
- REPORTER_ASSERT(reporter, *resultBM.getAddr32(0, 0) == SK_ColorGREEN);
- }
-}
-
-DEF_TEST(ImageFilterFailAffectsTransparentBlack, reporter) {
- run_raster_test(reporter, 100, test_fail_affects_transparent_black);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterFailAffectsTransparentBlack_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_fail_affects_transparent_black);
-}
-#endif
-
-DEF_TEST(ImageFilterDrawTiled, reporter) {
- // Check that all filters when drawn tiled (with subsequent clip rects) exactly
- // match the same filters drawn with a single full-canvas bitmap draw.
- // Tests pass by not asserting.
-
- FilterList filters(nullptr);
-
- 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 (int i = 0; i < filters.count(); ++i) {
- tiledCanvas.clear(0);
- untiledCanvas.clear(0);
- SkPaint paint;
- paint.setImageFilter(filters.getFilter(i));
- 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.getName(i));
- if (diffs) {
- break;
- }
- }
- }
- }
-}
-
-static void draw_saveLayer_picture(int width, int height, int tileSize,
- SkBBHFactory* factory, SkBitmap* result) {
-
- SkMatrix matrix;
- matrix.setTranslate(SkIntToScalar(50), 0);
-
- auto cf(SkColorFilter::MakeModeFilter(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();
- sk_sp<SkPicture> picture1(recorder.finishRecordingAsPicture());
-
- 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 sk_sp<SkImageFilter> make_blur(sk_sp<SkImageFilter> input) {
- return SkBlurImageFilter::Make(SK_Scalar1, SK_Scalar1, std::move(input));
-}
-
-static sk_sp<SkImageFilter> make_drop_shadow(sk_sp<SkImageFilter> input) {
- return sk_sp<SkImageFilter>(SkDropShadowImageFilter::Create(
- SkIntToScalar(100), SkIntToScalar(100),
- SkIntToScalar(10), SkIntToScalar(10),
- SK_ColorBLUE, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
- input.get(), nullptr));
-}
-
-DEF_TEST(ImageFilterBlurThenShadowBounds, reporter) {
- sk_sp<SkImageFilter> filter1(make_blur(nullptr));
- sk_sp<SkImageFilter> filter2(make_drop_shadow(std::move(filter1)));
-
- SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
- SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
- bounds = filter2->filterBounds(bounds, SkMatrix::I());
-
- REPORTER_ASSERT(reporter, bounds == expectedBounds);
-}
-
-DEF_TEST(ImageFilterShadowThenBlurBounds, reporter) {
- sk_sp<SkImageFilter> filter1(make_drop_shadow(nullptr));
- sk_sp<SkImageFilter> filter2(make_blur(std::move(filter1)));
-
- SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
- SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
- bounds = filter2->filterBounds(bounds, SkMatrix::I());
-
- REPORTER_ASSERT(reporter, bounds == expectedBounds);
-}
-
-DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) {
- sk_sp<SkImageFilter> filter1(SkDilateImageFilter::Make(2, 2, nullptr));
- sk_sp<SkImageFilter> filter2(make_drop_shadow(std::move(filter1)));
-
- SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
- SkIRect expectedBounds = SkIRect::MakeXYWH(-132, -132, 234, 234);
- bounds = filter2->filterBounds(bounds, SkMatrix::I());
-
- REPORTER_ASSERT(reporter, bounds == expectedBounds);
-}
-
-DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) {
- sk_sp<SkImageFilter> filter1(make_blur(nullptr));
- sk_sp<SkImageFilter> filter2(make_blur(nullptr));
- sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(filter1),
- std::move(filter2)));
-
- SkRect boundsSrc = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
- SkRect expectedBounds = SkRect::MakeXYWH(
- SkIntToScalar(-6), SkIntToScalar(-6), SkIntToScalar(112), SkIntToScalar(112));
- SkRect boundsDst = composedFilter->computeFastBounds(boundsSrc);
-
- REPORTER_ASSERT(reporter, boundsDst == expectedBounds);
-}
-
-DEF_TEST(ImageFilterUnionBounds, reporter) {
- sk_sp<SkImageFilter> offset(SkOffsetImageFilter::Make(50, 0, nullptr));
- // Regardless of which order they appear in, the image filter bounds should
- // be combined correctly.
- {
- sk_sp<SkImageFilter> composite(SkXfermodeImageFilter::Make(nullptr, offset.get()));
- SkRect bounds = SkRect::MakeWH(100, 100);
- // Intentionally aliasing here, as that's what the real callers do.
- bounds = composite->computeFastBounds(bounds);
- REPORTER_ASSERT(reporter, bounds == SkRect::MakeWH(150, 100));
- }
- {
- sk_sp<SkImageFilter> composite(SkXfermodeImageFilter::Make(nullptr, nullptr,
- offset.get(), nullptr));
- SkRect bounds = SkRect::MakeWH(100, 100);
- // Intentionally aliasing here, as that's what the real callers do.
- bounds = composite->computeFastBounds(bounds);
- REPORTER_ASSERT(reporter, bounds == SkRect::MakeWH(150, 100));
- }
-}
-
-static void test_imagefilter_merge_result_size(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- SkBitmap greenBM;
- greenBM.allocN32Pixels(20, 20);
- greenBM.eraseColor(SK_ColorGREEN);
- sk_sp<SkImage> greenImage(SkImage::MakeFromBitmap(greenBM));
- sk_sp<SkImageFilter> source(SkImageSource::Make(std::move(greenImage)));
- sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(source, source));
-
- sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 1));
-
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 100, 100), nullptr);
- SkIPoint offset;
-
- sk_sp<SkSpecialImage> resultImg(merge->filterImage(srcImg.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, resultImg);
-
- REPORTER_ASSERT(reporter, resultImg->width() == 20 && resultImg->height() == 20);
-}
-
-DEF_TEST(ImageFilterMergeResultSize, reporter) {
- run_raster_test(reporter, 100, test_imagefilter_merge_result_size);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterMergeResultSize_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_imagefilter_merge_result_size);
-}
-#endif
-
-static void draw_blurred_rect(SkCanvas* canvas) {
- SkPaint filterPaint;
- filterPaint.setColor(SK_ColorWHITE);
- filterPaint.setImageFilter(SkBlurImageFilter::Make(SkIntToScalar(8), 0, nullptr));
- 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);
- sk_sp<SkPicture> picture1(recorder1.finishRecordingAsPicture());
- sk_sp<SkPicture> picture2(recorder2.finishRecordingAsPicture());
- 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.get());
- draw_picture_clipped(&canvas2, tileRect, picture2.get());
- }
- }
- 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) {
- run_raster_test(reporter, 100, test_crop_rects);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterCropRect_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_crop_rects);
-}
-#endif
-
-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;
- paint.setImageFilter(MatrixTestImageFilter::Make(reporter, expectedMatrix));
- 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
-
- canvas.drawPicture(recorder.finishRecordingAsPicture());
-}
-
-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);
- sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
-
- // Wrap that SkPicture in an SkPictureImageFilter.
- sk_sp<SkImageFilter> imageFilter(SkPictureImageFilter::Make(picture));
-
- // Check that SkPictureImageFilter successfully serializes its contained
- // SkPicture when not in cross-process mode.
- SkPaint paint;
- paint.setImageFilter(imageFilter);
- SkPictureRecorder outerRecorder;
- SkCanvas* outerCanvas = outerRecorder.beginRecording(1, 1, &factory, 0);
- SkPaint redPaintWithFilter;
- redPaintWithFilter.setColor(SK_ColorRED);
- redPaintWithFilter.setImageFilter(imageFilter);
- outerCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter);
- sk_sp<SkPicture> outerPicture(outerRecorder.finishRecordingAsPicture());
-
- 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);
- sk_sp<SkPicture> crossProcessPicture(crossProcessRecorder.finishRecordingAsPicture());
-
- 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);
-}
-
-static void test_clipped_picture_imagefilter(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- sk_sp<SkPicture> picture;
-
- {
- 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);
- picture = recorder.finishRecordingAsPicture();
- }
-
- sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 2));
-
- sk_sp<SkImageFilter> imageFilter(SkPictureImageFilter::Make(picture));
-
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), nullptr);
-
- sk_sp<SkSpecialImage> resultImage(imageFilter->filterImage(srcImg.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, !resultImage);
-}
-
-DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) {
- run_raster_test(reporter, 2, test_clipped_picture_imagefilter);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterClippedPictureImageFilter_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 2, test_clipped_picture_imagefilter);
-}
-#endif
-
-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;
-
- auto green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode));
- SkAutoTUnref<SkImageFilter> imageFilter(
- SkColorFilterImageFilter::Create(green.get()));
- SkPaint imageFilterPaint;
- imageFilterPaint.setImageFilter(imageFilter.get());
- SkPaint colorFilterPaint;
- colorFilterPaint.setColorFilter(green);
-
- SkRect bounds = SkRect::MakeWH(10, 10);
-
- SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
- recordingCanvas->saveLayer(&bounds, &imageFilterPaint);
- recordingCanvas->restore();
- sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
-
- 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();
- sk_sp<SkPicture> picture2(recorder.finishRecordingAsPicture());
-
- 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();
- sk_sp<SkPicture> picture3(recorder.finishRecordingAsPicture());
-
- 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.
- SkPaint paint;
- paint.setImageFilter(SkBlurImageFilter::Make(SkIntToScalar(1<<30),
- SkIntToScalar(1<<30),
- nullptr));
- canvas->drawBitmap(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);
-
- auto green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_Mode));
- SkAutoTUnref<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(green.get()));
- SkImageFilter::CropRect cropRect(SkRect::MakeEmpty());
- SkAutoTUnref<SkImageFilter> 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.
- auto mode = SkXfermode::Make(SkXfermode::kSrcOver_Mode);
- auto xfermodeNoFg(SkXfermodeImageFilter::Make(mode, greenFilter, croppedOut, nullptr));
- auto xfermodeNoBg(SkXfermodeImageFilter::Make(mode, croppedOut, greenFilter, nullptr));
- auto xfermodeNoFgNoBg(SkXfermodeImageFilter::Make(mode, croppedOut, croppedOut, nullptr));
-
- SkPaint paint;
- paint.setImageFilter(xfermodeNoFg);
- canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite
-
- 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->drawBitmap(bitmap, 0, 0, &paint); // drawSprite
- canvas->readPixels(info, &pixel, 4, 0, 0);
- REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
-
- paint.setImageFilter(xfermodeNoFgNoBg);
- canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite
- 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.drawBitmap(bitmap, 20, 20, &filterPaint); // drawSprite
- 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);
-}
-
-static void test_composed_imagefilter_offset(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100));
-
- SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(1, 0, 20, 20));
- sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(0, 0, nullptr, &cropRect));
- sk_sp<SkImageFilter> blurFilter(SkBlurImageFilter::Make(SK_Scalar1, SK_Scalar1,
- nullptr, &cropRect));
- sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(blurFilter),
- std::move(offsetFilter)));
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr);
-
- sk_sp<SkSpecialImage> resultImg(composedFilter->filterImage(srcImg.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, resultImg);
- REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0);
-}
-
-DEF_TEST(ComposedImageFilterOffset, reporter) {
- run_raster_test(reporter, 100, test_composed_imagefilter_offset);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ComposedImageFilterOffset_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_composed_imagefilter_offset);
-}
-#endif
-
-static void test_composed_imagefilter_bounds(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- // The bounds passed to the inner filter must be filtered by the outer
- // filter, so that the inner filter produces the pixels that the outer
- // filter requires as input. This matters if the outer filter moves pixels.
- // Here, accounting for the outer offset is necessary so that the green
- // pixels of the picture are not clipped.
-
- SkPictureRecorder recorder;
- SkCanvas* recordingCanvas = recorder.beginRecording(SkRect::MakeWH(200, 100));
- recordingCanvas->clipRect(SkRect::MakeXYWH(100, 0, 100, 100));
- recordingCanvas->clear(SK_ColorGREEN);
- sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
- sk_sp<SkImageFilter> pictureFilter(SkPictureImageFilter::Make(picture));
- SkImageFilter::CropRect cropRect(SkRect::MakeWH(100, 100));
- sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(-100, 0, nullptr, &cropRect));
- sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(offsetFilter),
- std::move(pictureFilter)));
-
- sk_sp<SkSpecialImage> sourceImage(create_empty_special_image(context, proxy, 100));
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr);
- SkIPoint offset;
- sk_sp<SkSpecialImage> result(composedFilter->filterImage(sourceImage.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, offset.isZero());
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, result->subset().size() == SkISize::Make(100, 100));
-
- SkBitmap resultBM;
- TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM);
- SkAutoLockPixels lock(resultBM);
- REPORTER_ASSERT(reporter, resultBM.getColor(50, 50) == SK_ColorGREEN);
-}
-
-DEF_TEST(ComposedImageFilterBounds, reporter) {
- run_raster_test(reporter, 100, test_composed_imagefilter_bounds);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ComposedImageFilterBounds_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_composed_imagefilter_bounds);
-}
-#endif
-
-static void test_partial_crop_rect(SkImageFilter::Proxy* proxy,
- skiatest::Reporter* reporter,
- GrContext* context) {
- sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100));
-
- SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(100, 0, 20, 30),
- SkImageFilter::CropRect::kHasWidth_CropEdge | SkImageFilter::CropRect::kHasHeight_CropEdge);
- SkAutoTUnref<SkImageFilter> filter(make_grayscale(nullptr, &cropRect));
- SkIPoint offset;
- SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr);
-
- sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offset));
- REPORTER_ASSERT(reporter, resultImg);
-
- REPORTER_ASSERT(reporter, offset.fX == 0);
- REPORTER_ASSERT(reporter, offset.fY == 0);
- REPORTER_ASSERT(reporter, resultImg->width() == 20);
- REPORTER_ASSERT(reporter, resultImg->height() == 30);
-}
-
-DEF_TEST(PartialCropRect, reporter) {
- run_raster_test(reporter, 100, test_partial_crop_rect);
-}
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(PartialCropRect_Gpu, reporter, context) {
- run_gpu_test(reporter, context, 100, test_partial_crop_rect);
-}
-#endif
-
-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());
-
- {
- sk_sp<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());
-
- sk_sp<SkImageFilter> grayBlur(SkBlurImageFilter::Make(SK_Scalar1, SK_Scalar1,
- std::move(gray)));
- 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 };
- sk_sp<SkColorFilter> greenCF(SkColorFilter::MakeMatrixFilterRowMajor255(greenMatrix));
- sk_sp<SkImageFilter> green(SkColorFilterImageFilter::Create(greenCF.get()));
-
- REPORTER_ASSERT(reporter, greenCF->affectsTransparentBlack());
- REPORTER_ASSERT(reporter, !green->canComputeFastBounds());
-
- sk_sp<SkImageFilter> greenBlur(SkBlurImageFilter::Make(SK_Scalar1, SK_Scalar1,
- std::move(green)));
- REPORTER_ASSERT(reporter, !greenBlur->canComputeFastBounds());
- }
-
- uint8_t allOne[256], identity[256];
- for (int i = 0; i < 256; ++i) {
- identity[i] = i;
- allOne[i] = 255;
- }
-
- auto identityCF(SkTableColorFilter::MakeARGB(identity, identity, identity, allOne));
- SkAutoTUnref<SkImageFilter> identityFilter(SkColorFilterImageFilter::Create(identityCF.get()));
- REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack());
- REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds());
-
- auto forceOpaqueCF(SkTableColorFilter::MakeARGB(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) {
- auto surface(SkSurface::MakeRasterN32Premul(10, 10));
- surface->getCanvas()->clear(SK_ColorGREEN);
- sk_sp<SkImage> image(surface->makeImageSnapshot());
- sk_sp<SkImageFilter> filter(SkImageSource::Make(std::move(image)));
-
- sk_sp<SkData> data(SkValidatingSerializeFlattenable(filter.get()));
- sk_sp<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));
-}
-
-static void test_large_blur_input(skiatest::Reporter* reporter, SkCanvas* canvas) {
- SkBitmap largeBmp;
- int largeW = 5000;
- int largeH = 5000;
-#if SK_SUPPORT_GPU
- // If we're GPU-backed make the bitmap too large to be converted into a texture.
- if (GrContext* ctx = canvas->getGrContext()) {
- largeW = ctx->caps()->maxTextureSize() + 1;
- }
-#endif
-
- largeBmp.allocN32Pixels(largeW, largeH);
- largeBmp.eraseColor(0);
- if (!largeBmp.getPixels()) {
- ERRORF(reporter, "Failed to allocate large bmp.");
- return;
- }
-
- sk_sp<SkImage> largeImage(SkImage::MakeFromBitmap(largeBmp));
- if (!largeImage) {
- ERRORF(reporter, "Failed to create large image.");
- return;
- }
-
- sk_sp<SkImageFilter> largeSource(SkImageSource::Make(std::move(largeImage)));
- if (!largeSource) {
- ERRORF(reporter, "Failed to create large SkImageSource.");
- return;
- }
-
- sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(10.f, 10.f, std::move(largeSource)));
- if (!blur) {
- ERRORF(reporter, "Failed to create SkBlurImageFilter.");
- return;
- }
-
- SkPaint paint;
- paint.setImageFilter(std::move(blur));
-
- // This should not crash (http://crbug.com/570479).
- canvas->drawRect(SkRect::MakeIWH(largeW, largeH), paint);
-}
-
-DEF_TEST(BlurLargeImage, reporter) {
- auto surface(SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(100, 100)));
- test_large_blur_input(reporter, surface->getCanvas());
-}
-
-#if SK_SUPPORT_GPU
-
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(HugeBlurImageFilter_Gpu, reporter, context) {
- const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
-
- SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
- SkBudgeted::kNo,
- SkImageInfo::MakeN32Premul(100, 100),
- 0,
- &props,
- SkGpuDevice::kUninit_InitContents));
- SkCanvas canvas(device);
-
- test_huge_blur(&canvas, reporter);
-}
-
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(XfermodeImageFilterCroppedInput_Gpu, reporter, context) {
- const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
-
- SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
- SkBudgeted::kNo,
- SkImageInfo::MakeN32Premul(1, 1),
- 0,
- &props,
- SkGpuDevice::kUninit_InitContents));
- SkCanvas canvas(device);
-
- test_xfermode_cropped_input(&canvas, reporter);
-}
-
-DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(BlurLargeImage_Gpu, reporter, context) {
- auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kYes,
- SkImageInfo::MakeN32Premul(100, 100)));
- test_large_blur_input(reporter, surface->getCanvas());
-}
-#endif
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