9223665316
Bug: skia:11236 Bug: skia:11235 Change-Id: I53fc0532a6067c5b30fc0345ded95d50d9955d38 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/363098 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Michael Ludwig <michaelludwig@google.com>
2053 lines
88 KiB
C++
2053 lines
88 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 "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkPicture.h"
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#include "include/core/SkPictureRecorder.h"
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#include "include/core/SkPoint3.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkSurface.h"
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#include "include/effects/SkColorMatrixFilter.h"
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#include "include/effects/SkGradientShader.h"
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#include "include/effects/SkImageFilters.h"
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#include "include/effects/SkPerlinNoiseShader.h"
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#include "include/effects/SkTableColorFilter.h"
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#include "include/gpu/GrDirectContext.h"
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#include "src/core/SkColorFilterBase.h"
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#include "src/core/SkImageFilter_Base.h"
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#include "src/core/SkReadBuffer.h"
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#include "src/core/SkSpecialImage.h"
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#include "src/core/SkSpecialSurface.h"
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#include "src/gpu/GrCaps.h"
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#include "src/gpu/GrRecordingContextPriv.h"
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#include "tests/Test.h"
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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static const int kBitmapSize = 4;
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namespace {
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class MatrixTestImageFilter : public SkImageFilter_Base {
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public:
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static sk_sp<SkImageFilter> Make(skiatest::Reporter* reporter,
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const SkMatrix& expectedMatrix) {
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return sk_sp<SkImageFilter>(new MatrixTestImageFilter(reporter, expectedMatrix));
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}
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protected:
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sk_sp<SkSpecialImage> onFilterImage(const Context& ctx, SkIPoint* offset) const override {
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REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix);
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offset->fX = offset->fY = 0;
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return sk_ref_sp<SkSpecialImage>(ctx.sourceImage());
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}
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void flatten(SkWriteBuffer& buffer) const override {
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SkDEBUGFAIL("Should never get here");
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}
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private:
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SK_FLATTENABLE_HOOKS(MatrixTestImageFilter)
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MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix)
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: INHERITED(nullptr, 0, nullptr)
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, fReporter(reporter)
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, fExpectedMatrix(expectedMatrix) {
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}
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skiatest::Reporter* fReporter;
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SkMatrix fExpectedMatrix;
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using INHERITED = SkImageFilter_Base;
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};
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class FailImageFilter : public SkImageFilter_Base {
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public:
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FailImageFilter() : INHERITED(nullptr, 0, nullptr) { }
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sk_sp<SkSpecialImage> onFilterImage(const Context& ctx, SkIPoint* offset) const override {
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return nullptr;
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}
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SK_FLATTENABLE_HOOKS(FailImageFilter)
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private:
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using INHERITED = SkImageFilter_Base;
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};
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sk_sp<SkFlattenable> FailImageFilter::CreateProc(SkReadBuffer& buffer) {
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SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
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return sk_sp<SkFlattenable>(new FailImageFilter());
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}
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void draw_gradient_circle(SkCanvas* canvas, int width, int height) {
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SkScalar x = SkIntToScalar(width / 2);
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SkScalar y = SkIntToScalar(height / 2);
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SkScalar radius = std::min(x, y) * 0.8f;
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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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sk_sp<SkShader> shader(
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SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
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SkTileMode::kClamp)
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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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}
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SkBitmap make_gradient_circle(int width, int height) {
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SkBitmap bitmap;
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bitmap.allocN32Pixels(width, height);
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SkCanvas canvas(bitmap);
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draw_gradient_circle(&canvas, width, height);
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return bitmap;
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}
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class FilterList {
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public:
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FilterList(sk_sp<SkImageFilter> input, const SkIRect* cropRect = nullptr) {
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static const SkScalar kBlurSigma = SkIntToScalar(5);
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SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
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{
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sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorRED, SkBlendMode::kSrcIn));
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this->addFilter("color filter",
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SkImageFilters::ColorFilter(std::move(cf), input, cropRect));
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}
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{
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sk_sp<SkImage> gradientImage(make_gradient_circle(64, 64).asImage());
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sk_sp<SkImageFilter> gradientSource(SkImageFilters::Image(std::move(gradientImage)));
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this->addFilter("displacement map",
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SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kB, 20.0f,
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std::move(gradientSource), input, cropRect));
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}
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this->addFilter("blur", SkImageFilters::Blur(SK_Scalar1, SK_Scalar1, input, cropRect));
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this->addFilter("drop shadow", SkImageFilters::DropShadow(
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SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN, input, cropRect));
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this->addFilter("diffuse lighting",
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SkImageFilters::PointLitDiffuse(location, SK_ColorGREEN, 0, 0, input, cropRect));
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this->addFilter("specular lighting",
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SkImageFilters::PointLitSpecular(location, SK_ColorGREEN, 0, 0, 0, input,
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cropRect));
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{
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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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// This filter needs a saveLayer bc it is in repeat mode
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this->addFilter("matrix convolution",
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SkImageFilters::MatrixConvolution(
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kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1),
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SkTileMode::kRepeat, false, input, cropRect),
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true);
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}
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this->addFilter("merge", SkImageFilters::Merge(input, input, cropRect));
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{
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sk_sp<SkShader> greenColorShader = SkShaders::Color(SK_ColorGREEN);
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SkIRect leftSideCropRect = SkIRect::MakeXYWH(0, 0, 32, 64);
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sk_sp<SkImageFilter> shaderFilterLeft(SkImageFilters::Shader(greenColorShader,
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&leftSideCropRect));
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SkIRect rightSideCropRect = SkIRect::MakeXYWH(32, 0, 32, 64);
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sk_sp<SkImageFilter> shaderFilterRight(SkImageFilters::Shader(greenColorShader,
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&rightSideCropRect));
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this->addFilter("merge with disjoint inputs", SkImageFilters::Merge(
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std::move(shaderFilterLeft), std::move(shaderFilterRight), cropRect));
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}
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this->addFilter("offset", SkImageFilters::Offset(SK_Scalar1, SK_Scalar1, input, cropRect));
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this->addFilter("dilate", SkImageFilters::Dilate(3, 2, input, cropRect));
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this->addFilter("erode", SkImageFilters::Erode(2, 3, input, cropRect));
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this->addFilter("tile", SkImageFilters::Tile(SkRect::MakeXYWH(0, 0, 50, 50),
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cropRect ? SkRect::Make(*cropRect)
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: SkRect::MakeXYWH(0, 0, 100, 100),
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input));
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if (!cropRect) {
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SkMatrix matrix;
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matrix.setTranslate(SK_Scalar1, SK_Scalar1);
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matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1);
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this->addFilter("matrix",
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SkImageFilters::MatrixTransform(matrix,
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SkSamplingOptions(SkFilterMode::kLinear),
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input));
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}
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{
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sk_sp<SkImageFilter> blur(SkImageFilters::Blur(kBlurSigma, kBlurSigma, input));
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this->addFilter("blur and offset", SkImageFilters::Offset(
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kBlurSigma, kBlurSigma, std::move(blur), cropRect));
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}
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{
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SkPictureRecorder recorder;
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SkCanvas* recordingCanvas = recorder.beginRecording(64, 64);
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SkPaint greenPaint;
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greenPaint.setColor(SK_ColorGREEN);
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recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30, 20)), greenPaint);
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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sk_sp<SkImageFilter> pictureFilter(SkImageFilters::Picture(std::move(picture)));
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this->addFilter("picture and blur", SkImageFilters::Blur(
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kBlurSigma, kBlurSigma, std::move(pictureFilter), cropRect));
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}
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{
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sk_sp<SkImageFilter> paintFilter(SkImageFilters::Shader(
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SkPerlinNoiseShader::MakeTurbulence(SK_Scalar1, SK_Scalar1, 1, 0)));
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this->addFilter("paint and blur", SkImageFilters::Blur(
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kBlurSigma, kBlurSigma, std::move(paintFilter), cropRect));
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}
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this->addFilter("blend", SkImageFilters::Blend(
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SkBlendMode::kSrc, input, input, cropRect));
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}
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int count() const { return fFilters.count(); }
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SkImageFilter* getFilter(int index) const { return fFilters[index].fFilter.get(); }
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const char* getName(int index) const { return fFilters[index].fName; }
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bool needsSaveLayer(int index) const { return fFilters[index].fNeedsSaveLayer; }
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private:
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struct Filter {
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Filter() : fName(nullptr), fNeedsSaveLayer(false) {}
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Filter(const char* name, sk_sp<SkImageFilter> filter, bool needsSaveLayer)
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: fName(name)
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, fFilter(std::move(filter))
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, fNeedsSaveLayer(needsSaveLayer) {
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}
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const char* fName;
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sk_sp<SkImageFilter> fFilter;
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bool fNeedsSaveLayer;
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};
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void addFilter(const char* name, sk_sp<SkImageFilter> filter, bool needsSaveLayer = false) {
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fFilters.push_back(Filter(name, std::move(filter), needsSaveLayer));
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}
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SkTArray<Filter> fFilters;
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};
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class FixedBoundsImageFilter : public SkImageFilter_Base {
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public:
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FixedBoundsImageFilter(const SkIRect& bounds)
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: INHERITED(nullptr, 0, nullptr), fBounds(bounds) {}
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private:
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Factory getFactory() const override { return nullptr; }
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const char* getTypeName() const override { return nullptr; }
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sk_sp<SkSpecialImage> onFilterImage(const Context&, SkIPoint* offset) const override {
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return nullptr;
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}
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SkIRect onFilterBounds(const SkIRect&, const SkMatrix&,
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MapDirection, const SkIRect*) const override {
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return fBounds;
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}
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SkIRect fBounds;
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using INHERITED = SkImageFilter_Base;
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};
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} // namespace
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sk_sp<SkFlattenable> MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) {
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SkDEBUGFAIL("Should never get here");
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return nullptr;
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}
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static sk_sp<SkImage> make_small_image() {
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auto surface(SkSurface::MakeRasterN32Premul(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 kRectSize = kBitmapSize / 4;
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static_assert(kBitmapSize % 4 == 0, "bitmap size not multiple of 4");
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for (int y = 0; y < kBitmapSize; y += kRectSize) {
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for (int x = 0; x < kBitmapSize; x += kRectSize) {
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canvas->save();
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canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas->drawRect(
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SkRect::MakeXYWH(0, 0, kRectSize, kRectSize), darkPaint);
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canvas->drawRect(
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SkRect::MakeXYWH(kRectSize, 0, kRectSize, kRectSize), lightPaint);
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canvas->drawRect(
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SkRect::MakeXYWH(0, kRectSize, kRectSize, kRectSize), lightPaint);
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canvas->drawRect(
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SkRect::MakeXYWH(kRectSize, kRectSize, kRectSize, kRectSize), darkPaint);
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canvas->restore();
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}
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}
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return surface->makeImageSnapshot();
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}
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static sk_sp<SkImageFilter> make_scale(float amount, sk_sp<SkImageFilter> input) {
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float s = amount;
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float 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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sk_sp<SkColorFilter> filter(SkColorFilters::Matrix(matrix));
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return SkImageFilters::ColorFilter(std::move(filter), std::move(input));
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}
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static sk_sp<SkImageFilter> make_grayscale(sk_sp<SkImageFilter> input,
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const SkIRect* cropRect) {
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float matrix[20];
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memset(matrix, 0, 20 * sizeof(float));
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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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sk_sp<SkColorFilter> filter(SkColorFilters::Matrix(matrix));
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return SkImageFilters::ColorFilter(std::move(filter), std::move(input), cropRect);
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}
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static sk_sp<SkImageFilter> make_blue(sk_sp<SkImageFilter> input, const SkIRect* cropRect) {
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sk_sp<SkColorFilter> filter(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn));
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return SkImageFilters::ColorFilter(std::move(filter), std::move(input), cropRect);
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}
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static sk_sp<SkSpecialSurface> create_empty_special_surface(GrRecordingContext* rContext,
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int widthHeight) {
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if (rContext) {
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return SkSpecialSurface::MakeRenderTarget(rContext, widthHeight, widthHeight,
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GrColorType::kRGBA_8888, nullptr);
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} else {
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const SkImageInfo info = SkImageInfo::MakeN32(widthHeight, widthHeight,
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kOpaque_SkAlphaType);
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return SkSpecialSurface::MakeRaster(info);
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}
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}
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static sk_sp<SkSurface> create_surface(GrRecordingContext* rContext, int width, int height) {
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const SkImageInfo info = SkImageInfo::MakeN32(width, height, kOpaque_SkAlphaType);
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if (rContext) {
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return SkSurface::MakeRenderTarget(rContext, SkBudgeted::kNo, info);
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} else {
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return SkSurface::MakeRaster(info);
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}
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}
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static sk_sp<SkSpecialImage> create_empty_special_image(GrRecordingContext* rContext,
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int widthHeight) {
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sk_sp<SkSpecialSurface> surf(create_empty_special_surface(rContext, widthHeight));
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SkASSERT(surf);
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SkCanvas* canvas = surf->getCanvas();
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SkASSERT(canvas);
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canvas->clear(0x0);
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return surf->makeImageSnapshot();
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}
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DEF_TEST(ImageFilter, reporter) {
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{
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// Check that a color matrix filter followed by a color matrix filter
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// concatenates into a single filter.
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sk_sp<SkImageFilter> doubleBrightness(make_scale(2.0f, nullptr));
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sk_sp<SkImageFilter> halfBrightness(make_scale(0.5f, std::move(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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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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sk_sp<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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sk_sp<SkImageFilter> mode(make_blue(nullptr, nullptr));
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sk_sp<SkImageFilter> gray(make_grayscale(std::move(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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sk_sp<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 = 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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SkIRect cropRect = SkIRect::MakeWH(100, 100);
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sk_sp<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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float blueToRedMatrix[20] = { 0 };
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blueToRedMatrix[2] = blueToRedMatrix[18] = 1;
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float redToGreenMatrix[20] = { 0 };
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redToGreenMatrix[5] = redToGreenMatrix[18] = 1;
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sk_sp<SkColorFilter> blueToRed(SkColorFilters::Matrix(blueToRedMatrix));
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sk_sp<SkImageFilter> filter1(SkImageFilters::ColorFilter(std::move(blueToRed), nullptr));
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sk_sp<SkColorFilter> redToGreen(SkColorFilters::Matrix(redToGreenMatrix));
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sk_sp<SkImageFilter> filter2(SkImageFilters::ColorFilter(std::move(redToGreen),
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std::move(filter1)));
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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(std::move(filter2));
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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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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(SkImageFilters::Image(std::move(image)));
|
|
SkPaint paint;
|
|
paint.setImageFilter(SkImageFilters::SpotLitSpecular(
|
|
location, target, specularExponent, 180,
|
|
0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1,
|
|
std::move(bmSrc)));
|
|
SkCanvas canvas(result);
|
|
SkRect r = SkRect::MakeIWH(kBitmapSize, kBitmapSize);
|
|
canvas.drawRect(r, paint);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void test_cropRects(skiatest::Reporter* reporter, GrRecordingContext* rContext) {
|
|
// 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(rContext, 100));
|
|
SkASSERT(srcImg);
|
|
|
|
SkIRect inputCropRect = SkIRect::MakeXYWH(8, 13, 80, 80);
|
|
SkIRect cropRect = SkIRect::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_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr,
|
|
kN32_SkColorType, nullptr, srcImg.get());
|
|
sk_sp<SkSpecialImage> resultImg(as_IFB(filter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, resultImg, filters.getName(i));
|
|
REPORTER_ASSERT(reporter, offset.fX == 20 && offset.fY == 30, filters.getName(i));
|
|
}
|
|
}
|
|
|
|
static bool special_image_to_bitmap(GrDirectContext* dContext, const SkSpecialImage* src,
|
|
SkBitmap* dst) {
|
|
sk_sp<SkImage> img = src->asImage();
|
|
if (!img) {
|
|
return false;
|
|
}
|
|
|
|
if (!dst->tryAllocN32Pixels(src->width(), src->height())) {
|
|
return false;
|
|
}
|
|
|
|
return img->readPixels(dContext, dst->pixmap(), src->subset().fLeft, src->subset().fTop);
|
|
}
|
|
|
|
static void test_negative_blur_sigma(skiatest::Reporter* reporter,
|
|
GrDirectContext* dContext) {
|
|
// Check that SkBlurImageFilter will accept a negative sigma, either in
|
|
// the given arguments or after CTM application.
|
|
static const int kWidth = 32, kHeight = 32;
|
|
static const SkScalar kBlurSigma = SkIntToScalar(5);
|
|
|
|
sk_sp<SkImageFilter> positiveFilter(SkImageFilters::Blur(kBlurSigma, kBlurSigma, nullptr));
|
|
sk_sp<SkImageFilter> negativeFilter(SkImageFilters::Blur(-kBlurSigma, kBlurSigma, nullptr));
|
|
|
|
sk_sp<SkImage> gradient = make_gradient_circle(kWidth, kHeight).asImage();
|
|
sk_sp<SkSpecialImage> imgSrc(
|
|
SkSpecialImage::MakeFromImage(dContext, SkIRect::MakeWH(kWidth, kHeight), gradient));
|
|
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, imgSrc.get());
|
|
|
|
sk_sp<SkSpecialImage> positiveResult1(
|
|
as_IFB(positiveFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, positiveResult1);
|
|
|
|
sk_sp<SkSpecialImage> negativeResult1(
|
|
as_IFB(negativeFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, negativeResult1);
|
|
|
|
SkMatrix negativeScale;
|
|
negativeScale.setScale(-SK_Scalar1, SK_Scalar1);
|
|
SkImageFilter_Base::Context negativeCTX(negativeScale, SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, imgSrc.get());
|
|
|
|
sk_sp<SkSpecialImage> negativeResult2(
|
|
as_IFB(positiveFilter)->filterImage(negativeCTX).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, negativeResult2);
|
|
|
|
sk_sp<SkSpecialImage> positiveResult2(
|
|
as_IFB(negativeFilter)->filterImage(negativeCTX).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, positiveResult2);
|
|
|
|
|
|
SkBitmap positiveResultBM1, positiveResultBM2;
|
|
SkBitmap negativeResultBM1, negativeResultBM2;
|
|
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, positiveResult1.get(),
|
|
&positiveResultBM1));
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, positiveResult2.get(),
|
|
&positiveResultBM2));
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, negativeResult1.get(),
|
|
&negativeResultBM1));
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, negativeResult2.get(),
|
|
&negativeResultBM2));
|
|
|
|
for (int y = 0; y < kHeight; 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterNegativeBlurSigma, reporter) {
|
|
test_negative_blur_sigma(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterNegativeBlurSigma_Gpu, reporter, ctxInfo) {
|
|
test_negative_blur_sigma(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
static void test_morphology_radius_with_mirror_ctm(skiatest::Reporter* reporter,
|
|
GrDirectContext* dContext) {
|
|
// Check that SkMorphologyImageFilter maps the radius correctly when the
|
|
// CTM contains a mirroring transform.
|
|
static const int kWidth = 32, kHeight = 32;
|
|
static const int kRadius = 8;
|
|
|
|
sk_sp<SkImageFilter> filter(SkImageFilters::Dilate(kRadius, kRadius, nullptr));
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(kWidth, kHeight);
|
|
SkCanvas canvas(bitmap);
|
|
canvas.clear(SK_ColorTRANSPARENT);
|
|
SkPaint paint;
|
|
paint.setColor(SK_ColorWHITE);
|
|
canvas.drawRect(SkRect::MakeXYWH(kWidth / 4, kHeight / 4, kWidth / 2, kHeight / 2),
|
|
paint);
|
|
sk_sp<SkImage> image = bitmap.asImage();
|
|
sk_sp<SkSpecialImage> imgSrc(
|
|
SkSpecialImage::MakeFromImage(dContext, SkIRect::MakeWH(kWidth, kHeight), image));
|
|
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, imgSrc.get());
|
|
|
|
sk_sp<SkSpecialImage> normalResult(
|
|
as_IFB(filter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, normalResult);
|
|
|
|
SkMatrix mirrorX;
|
|
mirrorX.setTranslate(0, SkIntToScalar(32));
|
|
mirrorX.preScale(SK_Scalar1, -SK_Scalar1);
|
|
SkImageFilter_Base::Context mirrorXCTX(mirrorX, SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, imgSrc.get());
|
|
|
|
sk_sp<SkSpecialImage> mirrorXResult(
|
|
as_IFB(filter)->filterImage(mirrorXCTX).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, mirrorXResult);
|
|
|
|
SkMatrix mirrorY;
|
|
mirrorY.setTranslate(SkIntToScalar(32), 0);
|
|
mirrorY.preScale(-SK_Scalar1, SK_Scalar1);
|
|
SkImageFilter_Base::Context mirrorYCTX(mirrorY, SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, imgSrc.get());
|
|
|
|
sk_sp<SkSpecialImage> mirrorYResult(
|
|
as_IFB(filter)->filterImage(mirrorYCTX).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, mirrorYResult);
|
|
|
|
SkBitmap normalResultBM, mirrorXResultBM, mirrorYResultBM;
|
|
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, normalResult.get(),
|
|
&normalResultBM));
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, mirrorXResult.get(),
|
|
&mirrorXResultBM));
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, mirrorYResult.get(),
|
|
&mirrorYResultBM));
|
|
|
|
for (int y = 0; y < kHeight; y++) {
|
|
int diffs = memcmp(normalResultBM.getAddr32(0, y),
|
|
mirrorXResultBM.getAddr32(0, y),
|
|
normalResultBM.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
diffs = memcmp(normalResultBM.getAddr32(0, y),
|
|
mirrorYResultBM.getAddr32(0, y),
|
|
normalResultBM.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(MorphologyFilterRadiusWithMirrorCTM, reporter) {
|
|
test_morphology_radius_with_mirror_ctm(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(MorphologyFilterRadiusWithMirrorCTM_Gpu, reporter, ctxInfo) {
|
|
test_morphology_radius_with_mirror_ctm(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
static void test_zero_blur_sigma(skiatest::Reporter* reporter, GrDirectContext* dContext) {
|
|
// Check that SkBlurImageFilter with a zero sigma and a non-zero srcOffset works correctly.
|
|
SkIRect cropRect = SkIRect::MakeXYWH(5, 0, 5, 10);
|
|
sk_sp<SkImageFilter> input(SkImageFilters::Offset(0, 0, nullptr, &cropRect));
|
|
sk_sp<SkImageFilter> filter(SkImageFilters::Blur(0, 0, std::move(input), &cropRect));
|
|
|
|
sk_sp<SkSpecialSurface> surf(create_empty_special_surface(dContext, 10));
|
|
surf->getCanvas()->clear(SK_ColorGREEN);
|
|
sk_sp<SkSpecialImage> image(surf->makeImageSnapshot());
|
|
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr,
|
|
kN32_SkColorType, nullptr, image.get());
|
|
|
|
sk_sp<SkSpecialImage> result(as_IFB(filter)->filterImage(ctx).imageAndOffset(&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;
|
|
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, result.get(), &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(ImageFilterZeroBlurSigma, reporter) {
|
|
test_zero_blur_sigma(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterZeroBlurSigma_Gpu, reporter, ctxInfo) {
|
|
test_zero_blur_sigma(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
|
|
// 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(skiatest::Reporter* reporter,
|
|
GrDirectContext* dContext) {
|
|
sk_sp<FailImageFilter> failFilter(new FailImageFilter());
|
|
sk_sp<SkSpecialImage> source(create_empty_special_image(dContext, 5));
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 1, 1), nullptr,
|
|
kN32_SkColorType, nullptr, source.get());
|
|
sk_sp<SkColorFilter> green(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrc));
|
|
SkASSERT(as_CFB(green)->affectsTransparentBlack());
|
|
sk_sp<SkImageFilter> greenFilter(SkImageFilters::ColorFilter(std::move(green),
|
|
std::move(failFilter)));
|
|
SkIPoint offset;
|
|
sk_sp<SkSpecialImage> result(as_IFB(greenFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, nullptr != result.get());
|
|
if (result) {
|
|
SkBitmap resultBM;
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, result.get(), &resultBM));
|
|
REPORTER_ASSERT(reporter, *resultBM.getAddr32(0, 0) == SK_ColorGREEN);
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterFailAffectsTransparentBlack, reporter) {
|
|
test_fail_affects_transparent_black(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterFailAffectsTransparentBlack_Gpu, reporter, ctxInfo) {
|
|
test_fail_affects_transparent_black(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
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);
|
|
const int tileSize = 8;
|
|
|
|
SkPaint textPaint;
|
|
textPaint.setColor(SK_ColorWHITE);
|
|
SkFont font(ToolUtils::create_portable_typeface(), height);
|
|
|
|
const char* text = "ABC";
|
|
const SkScalar yPos = SkIntToScalar(height);
|
|
|
|
for (int scale = 1; scale <= 2; ++scale) {
|
|
for (int i = 0; i < filters.count(); ++i) {
|
|
SkPaint combinedPaint;
|
|
combinedPaint.setColor(SK_ColorWHITE);
|
|
combinedPaint.setImageFilter(sk_ref_sp(filters.getFilter(i)));
|
|
|
|
untiledCanvas.clear(SK_ColorTRANSPARENT);
|
|
untiledCanvas.save();
|
|
untiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
untiledCanvas.drawString(text, 0, yPos, font, combinedPaint);
|
|
untiledCanvas.restore();
|
|
|
|
tiledCanvas.clear(SK_ColorTRANSPARENT);
|
|
for (int y = 0; y < height; y += tileSize) {
|
|
for (int x = 0; x < width; x += tileSize) {
|
|
tiledCanvas.save();
|
|
const SkRect clipRect = SkRect::MakeXYWH(x, y, tileSize, tileSize);
|
|
tiledCanvas.clipRect(clipRect);
|
|
if (filters.needsSaveLayer(i)) {
|
|
const SkRect layerBounds = SkRect::MakeIWH(width, height);
|
|
tiledCanvas.saveLayer(&layerBounds, &combinedPaint);
|
|
tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
tiledCanvas.drawString(text, 0, yPos, font, textPaint);
|
|
tiledCanvas.restore();
|
|
} else {
|
|
tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
tiledCanvas.drawString(text, 0, yPos, font, combinedPaint);
|
|
}
|
|
|
|
tiledCanvas.restore();
|
|
}
|
|
}
|
|
|
|
if (!ToolUtils::equal_pixels(untiledResult, tiledResult)) {
|
|
REPORTER_ASSERT(reporter, false, filters.getName(i));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void draw_saveLayer_picture(int width, int height, int tileSize,
|
|
SkBBHFactory* factory, SkBitmap* result) {
|
|
|
|
SkMatrix matrix;
|
|
matrix.setTranslate(SkIntToScalar(50), 0);
|
|
|
|
sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorWHITE, SkBlendMode::kSrc));
|
|
sk_sp<SkImageFilter> cfif(SkImageFilters::ColorFilter(std::move(cf), nullptr));
|
|
sk_sp<SkImageFilter> imageFilter(SkImageFilters::MatrixTransform(matrix,
|
|
SkSamplingOptions(),
|
|
std::move(cfif)));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(imageFilter));
|
|
SkPictureRecorder recorder;
|
|
SkRect bounds = SkRect::Make(SkIRect::MakeXYWH(0, 0, 50, 50));
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
factory);
|
|
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 SkImageFilters::Blur(SK_Scalar1, SK_Scalar1, std::move(input));
|
|
}
|
|
|
|
static sk_sp<SkImageFilter> make_drop_shadow(sk_sp<SkImageFilter> input) {
|
|
return SkImageFilters::DropShadow(100, 100, 10, 10, SK_ColorBLUE, std::move(input));
|
|
}
|
|
|
|
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(),
|
|
SkImageFilter::kReverse_MapDirection, &bounds);
|
|
|
|
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(),
|
|
SkImageFilter::kReverse_MapDirection, &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) {
|
|
sk_sp<SkImageFilter> filter1(SkImageFilters::Dilate(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(),
|
|
SkImageFilter::kReverse_MapDirection, &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterScaledBlurRadius, reporter) {
|
|
// Each blur should spread 3*sigma, so 3 for the blur and 30 for the shadow
|
|
// (before the CTM). Bounds should be computed correctly in the presence of
|
|
// a (possibly negative) scale.
|
|
sk_sp<SkImageFilter> blur(make_blur(nullptr));
|
|
sk_sp<SkImageFilter> dropShadow(make_drop_shadow(nullptr));
|
|
{
|
|
// Uniform scale by 2.
|
|
SkMatrix scaleMatrix;
|
|
scaleMatrix.setScale(2, 2);
|
|
SkIRect bounds = SkIRect::MakeLTRB(0, 0, 200, 200);
|
|
|
|
SkIRect expectedBlurBounds = SkIRect::MakeLTRB(-6, -6, 206, 206);
|
|
SkIRect blurBounds = blur->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, blurBounds == expectedBlurBounds);
|
|
SkIRect reverseBlurBounds = blur->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kReverse_MapDirection, &bounds);
|
|
REPORTER_ASSERT(reporter, reverseBlurBounds == expectedBlurBounds);
|
|
|
|
SkIRect expectedShadowBounds = SkIRect::MakeLTRB(0, 0, 460, 460);
|
|
SkIRect shadowBounds = dropShadow->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, shadowBounds == expectedShadowBounds);
|
|
SkIRect expectedReverseShadowBounds =
|
|
SkIRect::MakeLTRB(-260, -260, 200, 200);
|
|
SkIRect reverseShadowBounds = dropShadow->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kReverse_MapDirection, &bounds);
|
|
REPORTER_ASSERT(reporter, reverseShadowBounds == expectedReverseShadowBounds);
|
|
}
|
|
{
|
|
// Vertical flip.
|
|
SkMatrix scaleMatrix;
|
|
scaleMatrix.setScale(1, -1);
|
|
SkIRect bounds = SkIRect::MakeLTRB(0, -100, 100, 0);
|
|
|
|
SkIRect expectedBlurBounds = SkIRect::MakeLTRB(-3, -103, 103, 3);
|
|
SkIRect blurBounds = blur->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, blurBounds == expectedBlurBounds);
|
|
SkIRect reverseBlurBounds = blur->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kReverse_MapDirection, &bounds);
|
|
REPORTER_ASSERT(reporter, reverseBlurBounds == expectedBlurBounds);
|
|
|
|
SkIRect expectedShadowBounds = SkIRect::MakeLTRB(0, -230, 230, 0);
|
|
SkIRect shadowBounds = dropShadow->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, shadowBounds == expectedShadowBounds);
|
|
SkIRect expectedReverseShadowBounds =
|
|
SkIRect::MakeLTRB(-130, -100, 100, 130);
|
|
SkIRect reverseShadowBounds = dropShadow->filterBounds(
|
|
bounds, scaleMatrix, SkImageFilter::kReverse_MapDirection, &bounds);
|
|
REPORTER_ASSERT(reporter, reverseShadowBounds == expectedReverseShadowBounds);
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) {
|
|
sk_sp<SkImageFilter> filter1(make_blur(nullptr));
|
|
sk_sp<SkImageFilter> filter2(make_blur(nullptr));
|
|
sk_sp<SkImageFilter> composedFilter(SkImageFilters::Compose(std::move(filter1),
|
|
std::move(filter2)));
|
|
|
|
SkRect boundsSrc = SkRect::MakeIWH(100, 100);
|
|
SkRect expectedBounds = SkRect::MakeXYWH(-6, -6, 112, 112);
|
|
SkRect boundsDst = composedFilter->computeFastBounds(boundsSrc);
|
|
|
|
REPORTER_ASSERT(reporter, boundsDst == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterUnionBounds, reporter) {
|
|
sk_sp<SkImageFilter> offset(SkImageFilters::Offset(50, 0, nullptr));
|
|
// Regardless of which order they appear in, the image filter bounds should
|
|
// be combined correctly.
|
|
{
|
|
sk_sp<SkImageFilter> composite(SkImageFilters::Blend(SkBlendMode::kSrcOver, offset));
|
|
SkRect bounds = SkRect::MakeIWH(100, 100);
|
|
// Intentionally aliasing here, as that's what the real callers do.
|
|
bounds = composite->computeFastBounds(bounds);
|
|
REPORTER_ASSERT(reporter, bounds == SkRect::MakeIWH(150, 100));
|
|
}
|
|
{
|
|
sk_sp<SkImageFilter> composite(SkImageFilters::Blend(SkBlendMode::kSrcOver, nullptr,
|
|
offset, nullptr));
|
|
SkRect bounds = SkRect::MakeIWH(100, 100);
|
|
// Intentionally aliasing here, as that's what the real callers do.
|
|
bounds = composite->computeFastBounds(bounds);
|
|
REPORTER_ASSERT(reporter, bounds == SkRect::MakeIWH(150, 100));
|
|
}
|
|
}
|
|
|
|
static void test_imagefilter_merge_result_size(skiatest::Reporter* reporter,
|
|
GrRecordingContext* rContext) {
|
|
SkBitmap greenBM;
|
|
greenBM.allocN32Pixels(20, 20);
|
|
greenBM.eraseColor(SK_ColorGREEN);
|
|
sk_sp<SkImage> greenImage(greenBM.asImage());
|
|
sk_sp<SkImageFilter> source(SkImageFilters::Image(std::move(greenImage)));
|
|
sk_sp<SkImageFilter> merge(SkImageFilters::Merge(source, source));
|
|
|
|
sk_sp<SkSpecialImage> srcImg(create_empty_special_image(rContext, 1));
|
|
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 100, 100), nullptr,
|
|
kN32_SkColorType, nullptr, srcImg.get());
|
|
SkIPoint offset;
|
|
|
|
sk_sp<SkSpecialImage> resultImg(as_IFB(merge)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, resultImg);
|
|
|
|
REPORTER_ASSERT(reporter, resultImg->width() == 20 && resultImg->height() == 20);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMergeResultSize, reporter) {
|
|
test_imagefilter_merge_result_size(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterMergeResultSize_Gpu, reporter, ctxInfo) {
|
|
test_imagefilter_merge_result_size(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
static void draw_blurred_rect(SkCanvas* canvas) {
|
|
SkPaint filterPaint;
|
|
filterPaint.setColor(SK_ColorWHITE);
|
|
filterPaint.setImageFilter(SkImageFilters::Blur(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(width, height);
|
|
SkCanvas* recordingCanvas2 = recorder2.beginRecording(width, height, &factory);
|
|
|
|
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);
|
|
|
|
sk_sp<SkImageFilter> filter(SkImageFilters::MatrixConvolution(
|
|
kernelSize, kernel, gain, bias, kernelOffset, SkTileMode::kRepeat, false, nullptr));
|
|
|
|
SkBitmap result;
|
|
int width = 16, height = 16;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(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);
|
|
|
|
sk_sp<SkImageFilter> filter(SkImageFilters::MatrixConvolution(
|
|
kernelSize, kernel, gain, bias, kernelOffset, SkTileMode::kClamp, true, nullptr));
|
|
|
|
SkBitmap result;
|
|
|
|
int width = 10, height = 10;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint filterPaint;
|
|
filterPaint.setImageFilter(std::move(filter));
|
|
SkRect bounds = SkRect::MakeIWH(1, 10);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height));
|
|
SkPaint rectPaint;
|
|
canvas.saveLayer(&bounds, &filterPaint);
|
|
canvas.drawRect(rect, rectPaint);
|
|
canvas.restore();
|
|
}
|
|
|
|
static void test_big_kernel(skiatest::Reporter* reporter, GrRecordingContext* rContext) {
|
|
// Check that a kernel that is too big for the GPU still works
|
|
SkScalar identityKernel[49] = {
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 1, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0
|
|
};
|
|
SkISize kernelSize = SkISize::Make(7, 7);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(0, 0);
|
|
|
|
sk_sp<SkImageFilter> filter(SkImageFilters::MatrixConvolution(
|
|
kernelSize, identityKernel, gain, bias, kernelOffset,
|
|
SkTileMode::kClamp, true, nullptr));
|
|
|
|
sk_sp<SkSpecialImage> srcImg(create_empty_special_image(rContext, 100));
|
|
SkASSERT(srcImg);
|
|
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr,
|
|
kN32_SkColorType, nullptr, srcImg.get());
|
|
sk_sp<SkSpecialImage> resultImg(as_IFB(filter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, resultImg);
|
|
REPORTER_ASSERT(reporter, SkToBool(rContext) == resultImg->isTextureBacked());
|
|
REPORTER_ASSERT(reporter, resultImg->width() == 100 && resultImg->height() == 100);
|
|
REPORTER_ASSERT(reporter, offset.fX == 0 && offset.fY == 0);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolutionBigKernel, reporter) {
|
|
test_big_kernel(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterMatrixConvolutionBigKernel_Gpu,
|
|
reporter, ctxInfo) {
|
|
test_big_kernel(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCropRect, reporter) {
|
|
test_cropRects(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterCropRect_Gpu, reporter, ctxInfo) {
|
|
test_cropRects(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
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);
|
|
|
|
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());
|
|
}
|
|
|
|
static void test_clipped_picture_imagefilter(skiatest::Reporter* reporter,
|
|
GrRecordingContext* rContext) {
|
|
sk_sp<SkPicture> picture;
|
|
|
|
{
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory);
|
|
|
|
// 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(rContext, 2));
|
|
|
|
sk_sp<SkImageFilter> imageFilter(SkImageFilters::Picture(picture));
|
|
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), nullptr,
|
|
kN32_SkColorType, nullptr, srcImg.get());
|
|
|
|
sk_sp<SkSpecialImage> resultImage(
|
|
as_IFB(imageFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, !resultImage);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) {
|
|
test_clipped_picture_imagefilter(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterClippedPictureImageFilter_Gpu, reporter, ctxInfo) {
|
|
test_clipped_picture_imagefilter(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
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;
|
|
|
|
sk_sp<SkColorFilter> green(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrc));
|
|
sk_sp<SkImageFilter> imageFilter(SkImageFilters::ColorFilter(green, nullptr));
|
|
SkPaint imageFilterPaint;
|
|
imageFilterPaint.setImageFilter(std::move(imageFilter));
|
|
SkPaint colorFilterPaint;
|
|
colorFilterPaint.setColorFilter(green);
|
|
|
|
SkRect bounds = SkRect::MakeIWH(10, 10);
|
|
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory);
|
|
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);
|
|
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);
|
|
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 a very large radius does not crash or assert.
|
|
SkPaint paint;
|
|
paint.setImageFilter(SkImageFilters::Blur(SkIntToScalar(1<<30), SkIntToScalar(1<<30), nullptr));
|
|
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint);
|
|
}
|
|
|
|
DEF_TEST(HugeBlurImageFilter, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkCanvas canvas(temp);
|
|
test_huge_blur(&canvas, reporter);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolutionTest, 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.
|
|
sk_sp<SkImageFilter> conv(SkImageFilters::MatrixConvolution(
|
|
SkISize::Make(1<<30, 1<<30), kernel, gain, bias, kernelOffset,
|
|
SkTileMode::kRepeat, false, nullptr));
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that a nullptr kernel gives a nullptr filter.
|
|
conv = SkImageFilters::MatrixConvolution(
|
|
SkISize::Make(1, 1), nullptr, gain, bias, kernelOffset,
|
|
SkTileMode::kRepeat, false, nullptr);
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that a kernel width < 1 gives a nullptr filter.
|
|
conv = SkImageFilters::MatrixConvolution(
|
|
SkISize::Make(0, 1), kernel, gain, bias, kernelOffset,
|
|
SkTileMode::kRepeat, false, nullptr);
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
|
|
// Check that kernel height < 1 gives a nullptr filter.
|
|
conv = SkImageFilters::MatrixConvolution(
|
|
SkISize::Make(1, -1), kernel, gain, bias, kernelOffset,
|
|
SkTileMode::kRepeat, false, nullptr);
|
|
|
|
REPORTER_ASSERT(reporter, nullptr == conv.get());
|
|
}
|
|
|
|
static void test_xfermode_cropped_input(SkSurface* surf, skiatest::Reporter* reporter) {
|
|
auto canvas = surf->getCanvas();
|
|
canvas->clear(0);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(1, 1);
|
|
bitmap.eraseARGB(255, 255, 255, 255);
|
|
|
|
sk_sp<SkColorFilter> green(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrcIn));
|
|
sk_sp<SkImageFilter> greenFilter(SkImageFilters::ColorFilter(green, nullptr));
|
|
SkIRect cropRect = SkIRect::MakeEmpty();
|
|
sk_sp<SkImageFilter> croppedOut(SkImageFilters::ColorFilter(green, nullptr, &cropRect));
|
|
|
|
// Check that an blend 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.
|
|
SkBlendMode mode = SkBlendMode::kSrcOver;
|
|
sk_sp<SkImageFilter> xfermodeNoFg(SkImageFilters::Blend(
|
|
mode, greenFilter, croppedOut, nullptr));
|
|
sk_sp<SkImageFilter> xfermodeNoBg(SkImageFilters::Blend(
|
|
mode, croppedOut, greenFilter, nullptr));
|
|
sk_sp<SkImageFilter> xfermodeNoFgNoBg(SkImageFilters::Blend(
|
|
mode, croppedOut, croppedOut, nullptr));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(xfermodeNoFg));
|
|
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint); // drawSprite
|
|
|
|
uint32_t pixel;
|
|
SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType);
|
|
surf->readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(std::move(xfermodeNoBg));
|
|
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint); // drawSprite
|
|
surf->readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(std::move(xfermodeNoFgNoBg));
|
|
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint); // drawSprite
|
|
surf->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));
|
|
sk_sp<SkImageFilter> matrixFilter(
|
|
SkImageFilters::MatrixTransform(matrix, SkSamplingOptions(SkFilterMode::kLinear), nullptr));
|
|
|
|
// 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(std::move(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;
|
|
temp.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);
|
|
temp.readPixels(info, &pixel, 4, 25, 25);
|
|
canvas.saveLayer(&bounds1, nullptr);
|
|
canvas.drawImage(bitmap.asImage(), 20, 20, SkSamplingOptions(), &filterPaint); // drawSprite
|
|
canvas.restore();
|
|
|
|
temp.readPixels(info, &pixel, 4, 25, 25);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(XfermodeImageFilterCroppedInput, reporter) {
|
|
test_xfermode_cropped_input(SkSurface::MakeRasterN32Premul(100, 100).get(), reporter);
|
|
}
|
|
|
|
static void test_composed_imagefilter_offset(skiatest::Reporter* reporter,
|
|
GrRecordingContext* rContext) {
|
|
sk_sp<SkSpecialImage> srcImg(create_empty_special_image(rContext, 100));
|
|
|
|
SkIRect cropRect = SkIRect::MakeXYWH(1, 0, 20, 20);
|
|
sk_sp<SkImageFilter> offsetFilter(SkImageFilters::Offset(0, 0, nullptr, &cropRect));
|
|
sk_sp<SkImageFilter> blurFilter(SkImageFilters::Blur(SK_Scalar1, SK_Scalar1,
|
|
nullptr, &cropRect));
|
|
sk_sp<SkImageFilter> composedFilter(SkImageFilters::Compose(std::move(blurFilter),
|
|
std::move(offsetFilter)));
|
|
SkIPoint offset;
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr,
|
|
kN32_SkColorType, nullptr, srcImg.get());
|
|
|
|
sk_sp<SkSpecialImage> resultImg(
|
|
as_IFB(composedFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, resultImg);
|
|
REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0);
|
|
}
|
|
|
|
DEF_TEST(ComposedImageFilterOffset, reporter) {
|
|
test_composed_imagefilter_offset(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ComposedImageFilterOffset_Gpu, reporter, ctxInfo) {
|
|
test_composed_imagefilter_offset(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
static void test_composed_imagefilter_bounds(skiatest::Reporter* reporter,
|
|
GrDirectContext* dContext) {
|
|
// 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::MakeIWH(200, 100));
|
|
recordingCanvas->clipRect(SkRect::MakeXYWH(100, 0, 100, 100));
|
|
recordingCanvas->clear(SK_ColorGREEN);
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
sk_sp<SkImageFilter> pictureFilter(SkImageFilters::Picture(picture));
|
|
SkIRect cropRect = SkIRect::MakeWH(100, 100);
|
|
sk_sp<SkImageFilter> offsetFilter(SkImageFilters::Offset(-100, 0, nullptr, &cropRect));
|
|
sk_sp<SkImageFilter> composedFilter(SkImageFilters::Compose(std::move(offsetFilter),
|
|
std::move(pictureFilter)));
|
|
|
|
sk_sp<SkSpecialImage> sourceImage(create_empty_special_image(dContext, 100));
|
|
SkImageFilter_Base::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr,
|
|
kN32_SkColorType, nullptr, sourceImage.get());
|
|
SkIPoint offset;
|
|
sk_sp<SkSpecialImage> result(
|
|
as_IFB(composedFilter)->filterImage(ctx).imageAndOffset(&offset));
|
|
REPORTER_ASSERT(reporter, offset.isZero());
|
|
REPORTER_ASSERT(reporter, result);
|
|
REPORTER_ASSERT(reporter, result->subset().size() == SkISize::Make(100, 100));
|
|
|
|
SkBitmap resultBM;
|
|
REPORTER_ASSERT(reporter, special_image_to_bitmap(dContext, result.get(), &resultBM));
|
|
REPORTER_ASSERT(reporter, resultBM.getColor(50, 50) == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(ComposedImageFilterBounds, reporter) {
|
|
test_composed_imagefilter_bounds(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ComposedImageFilterBounds_Gpu, reporter, ctxInfo) {
|
|
test_composed_imagefilter_bounds(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCanComputeFastBounds, reporter) {
|
|
|
|
{
|
|
SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
|
|
sk_sp<SkImageFilter> lighting(SkImageFilters::PointLitDiffuse(
|
|
location, SK_ColorGREEN, 0, 0, nullptr));
|
|
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, !as_CFB(grayCF)->affectsTransparentBlack());
|
|
grayCF->unref();
|
|
}
|
|
REPORTER_ASSERT(reporter, gray->canComputeFastBounds());
|
|
|
|
sk_sp<SkImageFilter> grayBlur(SkImageFilters::Blur(
|
|
SK_Scalar1, SK_Scalar1, std::move(gray)));
|
|
REPORTER_ASSERT(reporter, grayBlur->canComputeFastBounds());
|
|
}
|
|
|
|
{
|
|
float greenMatrix[20] = { 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1.0f/255,
|
|
0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1.0f/255
|
|
};
|
|
sk_sp<SkColorFilter> greenCF(SkColorFilters::Matrix(greenMatrix));
|
|
sk_sp<SkImageFilter> green(SkImageFilters::ColorFilter(greenCF, nullptr));
|
|
|
|
REPORTER_ASSERT(reporter, as_CFB(greenCF)->affectsTransparentBlack());
|
|
REPORTER_ASSERT(reporter, !green->canComputeFastBounds());
|
|
|
|
sk_sp<SkImageFilter> greenBlur(SkImageFilters::Blur(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;
|
|
}
|
|
|
|
sk_sp<SkColorFilter> identityCF(SkTableColorFilter::MakeARGB(identity, identity,
|
|
identity, allOne));
|
|
sk_sp<SkImageFilter> identityFilter(SkImageFilters::ColorFilter(identityCF, nullptr));
|
|
REPORTER_ASSERT(reporter, !as_CFB(identityCF)->affectsTransparentBlack());
|
|
REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds());
|
|
|
|
sk_sp<SkColorFilter> forceOpaqueCF(SkTableColorFilter::MakeARGB(allOne, identity,
|
|
identity, identity));
|
|
sk_sp<SkImageFilter> forceOpaque(SkImageFilters::ColorFilter(forceOpaqueCF, nullptr));
|
|
REPORTER_ASSERT(reporter, as_CFB(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(SkImageFilters::Image(std::move(image)));
|
|
|
|
sk_sp<SkData> data(filter->serialize());
|
|
sk_sp<SkImageFilter> unflattenedFilter = SkImageFilter::Deserialize(data->data(), data->size());
|
|
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::MakeIWH(10, 10), paint);
|
|
REPORTER_ASSERT(reporter, *bm.getAddr32(0, 0) == SkPreMultiplyColor(SK_ColorGREEN));
|
|
}
|
|
|
|
DEF_TEST(ImageFilterImageSourceUninitialized, r) {
|
|
sk_sp<SkData> data(GetResourceAsData("crbug769134.fil"));
|
|
if (!data) {
|
|
return;
|
|
}
|
|
sk_sp<SkImageFilter> unflattenedFilter = SkImageFilter::Deserialize(data->data(), data->size());
|
|
// This will fail. More importantly, msan will verify that we did not
|
|
// compare against uninitialized memory.
|
|
REPORTER_ASSERT(r, !unflattenedFilter);
|
|
}
|
|
|
|
static void test_large_blur_input(skiatest::Reporter* reporter, SkCanvas* canvas) {
|
|
SkBitmap largeBmp;
|
|
int largeW = 5000;
|
|
int largeH = 5000;
|
|
// If we're GPU-backed make the bitmap too large to be converted into a texture.
|
|
if (auto ctx = canvas->recordingContext()) {
|
|
largeW = ctx->priv().caps()->maxTextureSize() + 1;
|
|
}
|
|
|
|
largeBmp.allocN32Pixels(largeW, largeH);
|
|
largeBmp.eraseColor(0);
|
|
if (!largeBmp.getPixels()) {
|
|
ERRORF(reporter, "Failed to allocate large bmp.");
|
|
return;
|
|
}
|
|
|
|
sk_sp<SkImage> largeImage(largeBmp.asImage());
|
|
if (!largeImage) {
|
|
ERRORF(reporter, "Failed to create large image.");
|
|
return;
|
|
}
|
|
|
|
sk_sp<SkImageFilter> largeSource(SkImageFilters::Image(std::move(largeImage)));
|
|
if (!largeSource) {
|
|
ERRORF(reporter, "Failed to create large SkImageSource.");
|
|
return;
|
|
}
|
|
|
|
sk_sp<SkImageFilter> blur(SkImageFilters::Blur(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(ImageFilterBlurLargeImage, reporter) {
|
|
auto surface(SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(100, 100)));
|
|
test_large_blur_input(reporter, surface->getCanvas());
|
|
}
|
|
|
|
static void test_make_with_filter(skiatest::Reporter* reporter, GrRecordingContext* rContext) {
|
|
sk_sp<SkSurface> surface(create_surface(rContext, 192, 128));
|
|
surface->getCanvas()->clear(SK_ColorRED);
|
|
SkPaint bluePaint;
|
|
bluePaint.setColor(SK_ColorBLUE);
|
|
SkIRect subset = SkIRect::MakeXYWH(25, 20, 50, 50);
|
|
surface->getCanvas()->drawRect(SkRect::Make(subset), bluePaint);
|
|
sk_sp<SkImage> sourceImage = surface->makeImageSnapshot();
|
|
|
|
sk_sp<SkImageFilter> filter = make_grayscale(nullptr, nullptr);
|
|
SkIRect clipBounds = SkIRect::MakeXYWH(30, 35, 100, 100);
|
|
SkIRect outSubset;
|
|
SkIPoint offset;
|
|
sk_sp<SkImage> result;
|
|
|
|
result = sourceImage->makeWithFilter(rContext, nullptr, subset, clipBounds,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, clipBounds,
|
|
nullptr, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, clipBounds,
|
|
&outSubset, nullptr);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
SkIRect bigSubset = SkIRect::MakeXYWH(-10000, -10000, 20000, 20000);
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), bigSubset, clipBounds,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
SkIRect empty = SkIRect::MakeEmpty();
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), empty, clipBounds,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, empty,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
SkIRect leftField = SkIRect::MakeXYWH(-1000, 0, 100, 100);
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, leftField,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, !result);
|
|
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, clipBounds,
|
|
&outSubset, &offset);
|
|
|
|
REPORTER_ASSERT(reporter, result);
|
|
REPORTER_ASSERT(reporter, result->bounds().contains(outSubset));
|
|
SkIRect destRect = SkIRect::MakeXYWH(offset.x(), offset.y(),
|
|
outSubset.width(), outSubset.height());
|
|
REPORTER_ASSERT(reporter, clipBounds.contains(destRect));
|
|
|
|
// In GPU-mode, this case creates a special image with a backing size that differs from
|
|
// the content size
|
|
{
|
|
clipBounds.setXYWH(0, 0, 170, 100);
|
|
subset.setXYWH(0, 0, 160, 90);
|
|
|
|
filter = SkImageFilters::Blend(SkBlendMode::kSrc, nullptr);
|
|
result = sourceImage->makeWithFilter(rContext, filter.get(), subset, clipBounds,
|
|
&outSubset, &offset);
|
|
REPORTER_ASSERT(reporter, result);
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMakeWithFilter, reporter) {
|
|
test_make_with_filter(reporter, nullptr);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterMakeWithFilter_Gpu, reporter, ctxInfo) {
|
|
test_make_with_filter(reporter, ctxInfo.directContext());
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterHugeBlur_Gpu, reporter, ctxInfo) {
|
|
|
|
sk_sp<SkSurface> surf(SkSurface::MakeRenderTarget(ctxInfo.directContext(),
|
|
SkBudgeted::kNo,
|
|
SkImageInfo::MakeN32Premul(100, 100)));
|
|
|
|
|
|
SkCanvas* canvas = surf->getCanvas();
|
|
|
|
test_huge_blur(canvas, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(XfermodeImageFilterCroppedInput_Gpu, reporter, ctxInfo) {
|
|
sk_sp<SkSurface> surf(SkSurface::MakeRenderTarget(
|
|
ctxInfo.directContext(),
|
|
SkBudgeted::kNo,
|
|
SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kPremul_SkAlphaType)));
|
|
|
|
test_xfermode_cropped_input(surf.get(), reporter);
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_ALL_CONTEXTS(ImageFilterBlurLargeImage_Gpu, reporter, ctxInfo) {
|
|
auto surface(SkSurface::MakeRenderTarget(
|
|
ctxInfo.directContext(), SkBudgeted::kYes,
|
|
SkImageInfo::Make(100, 100, kRGBA_8888_SkColorType, kPremul_SkAlphaType)));
|
|
test_large_blur_input(reporter, surface->getCanvas());
|
|
}
|
|
|
|
/*
|
|
* Test that colorfilterimagefilter does not require its CTM to be decomposed when it has more
|
|
* than just scale/translate, but that other filters do.
|
|
*/
|
|
DEF_TEST(ImageFilterComplexCTM, reporter) {
|
|
// just need a colorfilter to exercise the corresponding imagefilter
|
|
sk_sp<SkColorFilter> cf = SkColorFilters::Blend(SK_ColorRED, SkBlendMode::kSrcATop);
|
|
sk_sp<SkImageFilter> cfif = SkImageFilters::ColorFilter(cf, nullptr); // can handle
|
|
sk_sp<SkImageFilter> blif = SkImageFilters::Blur(3, 3, nullptr); // cannot handle
|
|
|
|
struct {
|
|
sk_sp<SkImageFilter> fFilter;
|
|
bool fExpectCanHandle;
|
|
} recs[] = {
|
|
{ cfif, true },
|
|
{ SkImageFilters::ColorFilter(cf, cfif), true },
|
|
{ SkImageFilters::Merge(cfif, cfif), true },
|
|
{ SkImageFilters::Compose(cfif, cfif), true },
|
|
|
|
{ blif, false },
|
|
{ SkImageFilters::Blur(3, 3, cfif), false },
|
|
{ SkImageFilters::ColorFilter(cf, blif), false },
|
|
{ SkImageFilters::Merge(cfif, blif), false },
|
|
{ SkImageFilters::Compose(blif, cfif), false },
|
|
};
|
|
|
|
for (const auto& rec : recs) {
|
|
const bool canHandle = as_IFB(rec.fFilter)->canHandleComplexCTM();
|
|
REPORTER_ASSERT(reporter, canHandle == rec.fExpectCanHandle);
|
|
}
|
|
}
|
|
|
|
// Test SkXfermodeImageFilter::filterBounds with different blending modes.
|
|
DEF_TEST(XfermodeImageFilterBounds, reporter) {
|
|
SkIRect background_rect = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect foreground_rect = SkIRect::MakeXYWH(50, 50, 100, 100);
|
|
sk_sp<SkImageFilter> background(new FixedBoundsImageFilter(background_rect));
|
|
sk_sp<SkImageFilter> foreground(new FixedBoundsImageFilter(foreground_rect));
|
|
|
|
const int kModeCount = static_cast<int>(SkBlendMode::kLastMode) + 1;
|
|
SkIRect expectedBounds[kModeCount];
|
|
// Expect union of input rects by default.
|
|
for (int i = 0; i < kModeCount; ++i) {
|
|
expectedBounds[i] = background_rect;
|
|
expectedBounds[i].join(foreground_rect);
|
|
}
|
|
|
|
SkIRect intersection = background_rect;
|
|
intersection.intersect(foreground_rect);
|
|
expectedBounds[static_cast<int>(SkBlendMode::kClear)] = SkIRect::MakeEmpty();
|
|
expectedBounds[static_cast<int>(SkBlendMode::kSrc)] = foreground_rect;
|
|
expectedBounds[static_cast<int>(SkBlendMode::kDst)] = background_rect;
|
|
expectedBounds[static_cast<int>(SkBlendMode::kSrcIn)] = intersection;
|
|
expectedBounds[static_cast<int>(SkBlendMode::kDstIn)] = intersection;
|
|
expectedBounds[static_cast<int>(SkBlendMode::kSrcATop)] = background_rect;
|
|
expectedBounds[static_cast<int>(SkBlendMode::kDstATop)] = foreground_rect;
|
|
|
|
// The value of this variable doesn't matter because we use inputs with fixed bounds.
|
|
SkIRect src = SkIRect::MakeXYWH(11, 22, 33, 44);
|
|
for (int i = 0; i < kModeCount; ++i) {
|
|
sk_sp<SkImageFilter> xfermode(SkImageFilters::Blend(static_cast<SkBlendMode>(i),
|
|
background, foreground, nullptr));
|
|
auto bounds = xfermode->filterBounds(src, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds[i]);
|
|
}
|
|
|
|
// Test empty intersection.
|
|
sk_sp<SkImageFilter> background2(new FixedBoundsImageFilter(SkIRect::MakeXYWH(0, 0, 20, 20)));
|
|
sk_sp<SkImageFilter> foreground2(new FixedBoundsImageFilter(SkIRect::MakeXYWH(40, 40, 50, 50)));
|
|
sk_sp<SkImageFilter> xfermode(SkImageFilters::Blend(
|
|
SkBlendMode::kSrcIn, std::move(background2), std::move(foreground2), nullptr));
|
|
auto bounds = xfermode->filterBounds(src, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, bounds.isEmpty());
|
|
}
|
|
|
|
DEF_TEST(OffsetImageFilterBounds, reporter) {
|
|
SkIRect src = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
sk_sp<SkImageFilter> offset(SkImageFilters::Offset(-50.5f, -50.5f, nullptr));
|
|
|
|
SkIRect expectedForward = SkIRect::MakeXYWH(-50, -50, 100, 100);
|
|
SkIRect boundsForward = offset->filterBounds(src, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, boundsForward == expectedForward);
|
|
|
|
SkIRect expectedReverse = SkIRect::MakeXYWH(50, 50, 100, 100);
|
|
SkIRect boundsReverse = offset->filterBounds(src, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection, &src);
|
|
REPORTER_ASSERT(reporter, boundsReverse == expectedReverse);
|
|
}
|
|
|
|
static void test_arithmetic_bounds(skiatest::Reporter* reporter, float k1, float k2, float k3,
|
|
float k4, sk_sp<SkImageFilter> background,
|
|
sk_sp<SkImageFilter> foreground,
|
|
const SkIRect* crop, const SkIRect& expected) {
|
|
sk_sp<SkImageFilter> arithmetic(
|
|
SkImageFilters::Arithmetic(k1, k2, k3, k4, false, background, foreground, crop));
|
|
// The value of the input rect doesn't matter because we use inputs with fixed bounds.
|
|
SkIRect bounds = arithmetic->filterBounds(SkIRect::MakeXYWH(11, 22, 33, 44), SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection, nullptr);
|
|
REPORTER_ASSERT(reporter, expected == bounds);
|
|
}
|
|
|
|
static void test_arithmetic_combinations(skiatest::Reporter* reporter, float v) {
|
|
SkIRect bgRect = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect fgRect = SkIRect::MakeXYWH(50, 50, 100, 100);
|
|
sk_sp<SkImageFilter> background(new FixedBoundsImageFilter(bgRect));
|
|
sk_sp<SkImageFilter> foreground(new FixedBoundsImageFilter(fgRect));
|
|
|
|
SkIRect unionRect = bgRect;
|
|
unionRect.join(fgRect);
|
|
SkIRect intersection = bgRect;
|
|
intersection.intersect(fgRect);
|
|
|
|
test_arithmetic_bounds(reporter, 0, 0, 0, 0, background, foreground, nullptr,
|
|
SkIRect::MakeEmpty());
|
|
test_arithmetic_bounds(reporter, 0, 0, 0, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, 0, 0, v, 0, background, foreground, nullptr, bgRect);
|
|
test_arithmetic_bounds(reporter, 0, 0, v, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, 0, v, 0, 0, background, foreground, nullptr, fgRect);
|
|
test_arithmetic_bounds(reporter, 0, v, 0, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, 0, v, v, 0, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, 0, v, v, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, v, 0, 0, 0, background, foreground, nullptr, intersection);
|
|
test_arithmetic_bounds(reporter, v, 0, 0, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, v, 0, v, 0, background, foreground, nullptr, bgRect);
|
|
test_arithmetic_bounds(reporter, v, 0, v, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, v, v, 0, 0, background, foreground, nullptr, fgRect);
|
|
test_arithmetic_bounds(reporter, v, v, 0, v, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, v, v, v, 0, background, foreground, nullptr, unionRect);
|
|
test_arithmetic_bounds(reporter, v, v, v, v, background, foreground, nullptr, unionRect);
|
|
|
|
// Test with crop. When k4 is non-zero, the result is expected to be cropRect
|
|
// regardless of inputs because the filter affects the whole crop area.
|
|
SkIRect cropRect = SkIRect::MakeXYWH(-111, -222, 333, 444);
|
|
test_arithmetic_bounds(reporter, 0, 0, 0, 0, background, foreground, &cropRect,
|
|
SkIRect::MakeEmpty());
|
|
test_arithmetic_bounds(reporter, 0, 0, 0, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, 0, 0, v, 0, background, foreground, &cropRect, bgRect);
|
|
test_arithmetic_bounds(reporter, 0, 0, v, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, 0, v, 0, 0, background, foreground, &cropRect, fgRect);
|
|
test_arithmetic_bounds(reporter, 0, v, 0, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, 0, v, v, 0, background, foreground, &cropRect, unionRect);
|
|
test_arithmetic_bounds(reporter, 0, v, v, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, v, 0, 0, 0, background, foreground, &cropRect, intersection);
|
|
test_arithmetic_bounds(reporter, v, 0, 0, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, v, 0, v, 0, background, foreground, &cropRect, bgRect);
|
|
test_arithmetic_bounds(reporter, v, 0, v, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, v, v, 0, 0, background, foreground, &cropRect, fgRect);
|
|
test_arithmetic_bounds(reporter, v, v, 0, v, background, foreground, &cropRect, cropRect);
|
|
test_arithmetic_bounds(reporter, v, v, v, 0, background, foreground, &cropRect, unionRect);
|
|
test_arithmetic_bounds(reporter, v, v, v, v, background, foreground, &cropRect, cropRect);
|
|
}
|
|
|
|
// Test SkArithmeticImageFilter::filterBounds with different blending modes.
|
|
DEF_TEST(ArithmeticImageFilterBounds, reporter) {
|
|
test_arithmetic_combinations(reporter, 1);
|
|
test_arithmetic_combinations(reporter, 0.5);
|
|
}
|
|
|
|
// Test SkDisplacementMapEffect::filterBounds.
|
|
DEF_TEST(DisplacementMapBounds, reporter) {
|
|
SkIRect floodBounds(SkIRect::MakeXYWH(20, 30, 10, 10));
|
|
sk_sp<SkImageFilter> flood(SkImageFilters::Shader(SkShaders::Color(SK_ColorGREEN),
|
|
&floodBounds));
|
|
SkIRect tilingBounds(SkIRect::MakeXYWH(0, 0, 200, 100));
|
|
sk_sp<SkImageFilter> tiling(SkImageFilters::Tile(SkRect::Make(floodBounds),
|
|
SkRect::Make(tilingBounds),
|
|
flood));
|
|
sk_sp<SkImageFilter> displace(SkImageFilters::DisplacementMap(SkColorChannel::kR,
|
|
SkColorChannel::kB,
|
|
20.0f, nullptr, tiling));
|
|
SkIRect input(SkIRect::MakeXYWH(20, 30, 40, 50));
|
|
// Expected: union(floodBounds, outset(input, 10))
|
|
SkIRect expected(SkIRect::MakeXYWH(10, 20, 60, 70));
|
|
REPORTER_ASSERT(reporter,
|
|
expected == displace->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection));
|
|
}
|
|
|
|
// Test SkImageSource::filterBounds.
|
|
DEF_TEST(ImageSourceBounds, reporter) {
|
|
sk_sp<SkImage> image(make_gradient_circle(64, 64).asImage());
|
|
// Default src and dst rects.
|
|
sk_sp<SkImageFilter> source1(SkImageFilters::Image(image));
|
|
SkIRect imageBounds = SkIRect::MakeWH(64, 64);
|
|
SkIRect input(SkIRect::MakeXYWH(10, 20, 30, 40));
|
|
REPORTER_ASSERT(reporter,
|
|
imageBounds == source1->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter,
|
|
input == source1->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection, &input));
|
|
SkMatrix scale(SkMatrix::Scale(2, 2));
|
|
SkIRect scaledBounds = SkIRect::MakeWH(128, 128);
|
|
REPORTER_ASSERT(reporter,
|
|
scaledBounds == source1->filterBounds(input, scale,
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter, input == source1->filterBounds(input, scale,
|
|
SkImageFilter::kReverse_MapDirection,
|
|
&input));
|
|
|
|
// Specified src and dst rects.
|
|
SkRect src(SkRect::MakeXYWH(0.5, 0.5, 100.5, 100.5));
|
|
SkRect dst(SkRect::MakeXYWH(-10.5, -10.5, 120.5, 120.5));
|
|
sk_sp<SkImageFilter> source2(SkImageFilters::Image(image, src, dst, kMedium_SkFilterQuality));
|
|
REPORTER_ASSERT(reporter,
|
|
dst.roundOut() == source2->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter,
|
|
input == source2->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection, &input));
|
|
scale.mapRect(&dst);
|
|
scale.mapRect(&src);
|
|
REPORTER_ASSERT(reporter,
|
|
dst.roundOut() == source2->filterBounds(input, scale,
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter, input == source2->filterBounds(input, scale,
|
|
SkImageFilter::kReverse_MapDirection,
|
|
&input));
|
|
}
|
|
|
|
// Test SkPictureImageFilter::filterBounds.
|
|
DEF_TEST(PictureImageSourceBounds, reporter) {
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(64, 64);
|
|
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30, 20)), greenPaint);
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
|
|
// Default target rect.
|
|
sk_sp<SkImageFilter> source1(SkImageFilters::Picture(picture));
|
|
SkIRect pictureBounds = SkIRect::MakeWH(64, 64);
|
|
SkIRect input(SkIRect::MakeXYWH(10, 20, 30, 40));
|
|
REPORTER_ASSERT(reporter,
|
|
pictureBounds == source1->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter,
|
|
input == source1->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection, &input));
|
|
SkMatrix scale(SkMatrix::Scale(2, 2));
|
|
SkIRect scaledPictureBounds = SkIRect::MakeWH(128, 128);
|
|
REPORTER_ASSERT(reporter,
|
|
scaledPictureBounds == source1->filterBounds(input, scale,
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter, input == source1->filterBounds(input, scale,
|
|
SkImageFilter::kReverse_MapDirection,
|
|
&input));
|
|
|
|
// Specified target rect.
|
|
SkRect targetRect(SkRect::MakeXYWH(9.5, 9.5, 31, 21));
|
|
sk_sp<SkImageFilter> source2(SkImageFilters::Picture(picture, targetRect));
|
|
REPORTER_ASSERT(reporter,
|
|
targetRect.roundOut() == source2->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter,
|
|
input == source2->filterBounds(input, SkMatrix::I(),
|
|
SkImageFilter::kReverse_MapDirection, &input));
|
|
scale.mapRect(&targetRect);
|
|
REPORTER_ASSERT(reporter,
|
|
targetRect.roundOut() == source2->filterBounds(input, scale,
|
|
SkImageFilter::kForward_MapDirection,
|
|
nullptr));
|
|
REPORTER_ASSERT(reporter, input == source2->filterBounds(input, scale,
|
|
SkImageFilter::kReverse_MapDirection,
|
|
&input));
|
|
}
|