blob: 7af706b73cfaf9b0ea2da9062bde1eef7cf9b5dc [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "cc/test/geometry_test_utils.h"
#include "skia/ext/pixel_ref_utils.h"
#include "skia/ext/refptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkImageGenerator.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "third_party/skia/include/core/SkPixelRef.h"
#include "third_party/skia/include/core/SkPoint.h"
#include "third_party/skia/include/core/SkShader.h"
#include "third_party/skia/src/core/SkOrderedReadBuffer.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/skia_util.h"
namespace skia {
namespace {
class TestImageGenerator : public SkImageGenerator {
public:
TestImageGenerator(const SkImageInfo& info)
: SkImageGenerator(info) { }
};
skia::RefPtr<SkImage> CreateDiscardableImage(const gfx::Size& size) {
const SkImageInfo info =
SkImageInfo::MakeN32Premul(size.width(), size.height());
return skia::AdoptRef(
SkImage::NewFromGenerator(new TestImageGenerator(info)));
}
void SetDiscardableShader(SkPaint* paint) {
skia::RefPtr<SkImage> image = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkShader> shader = skia::AdoptRef(
image->newShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode));
paint->setShader(shader.get());
}
SkCanvas* StartRecording(SkPictureRecorder* recorder, gfx::Rect layer_rect) {
SkCanvas* canvas =
recorder->beginRecording(layer_rect.width(), layer_rect.height());
canvas->save();
canvas->translate(-layer_rect.x(), -layer_rect.y());
canvas->clipRect(SkRect::MakeXYWH(
layer_rect.x(), layer_rect.y(), layer_rect.width(), layer_rect.height()));
return canvas;
}
SkPicture* StopRecording(SkPictureRecorder* recorder, SkCanvas* canvas) {
canvas->restore();
return recorder->endRecordingAsPicture();
}
} // namespace
void VerifyScales(SkScalar x_scale,
SkScalar y_scale,
const SkMatrix& matrix,
int source_line) {
SkSize scales;
bool success = matrix.decomposeScale(&scales);
EXPECT_TRUE(success) << "line: " << source_line;
EXPECT_FLOAT_EQ(x_scale, scales.width()) << "line: " << source_line;
EXPECT_FLOAT_EQ(y_scale, scales.height()) << "line: " << source_line;
}
TEST(PixelRefUtilsTest, DrawPaint) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
canvas->drawPaint(first_paint);
canvas->clipRect(SkRect::MakeXYWH(34, 45, 56, 67));
canvas->drawPaint(second_paint);
canvas->save();
canvas->scale(2.f, 3.f);
canvas->drawPaint(second_paint);
canvas->restore();
// Total clip is now (34, 45, 56, 55)
canvas->clipRect(SkRect::MakeWH(100, 100));
canvas->drawPaint(third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(4u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 256, 256),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(34, 45, 56, 67),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(34, 45, 56, 67),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(2.f, 3.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(34, 45, 56, 55),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[3].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[3].filter_quality);
}
TEST(PixelRefUtilsTest, DrawPoints) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
SkPoint points[3];
points[0].set(10, 10);
points[1].set(100, 20);
points[2].set(50, 100);
// (10, 10, 90, 90).
canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, points, first_paint);
canvas->save();
canvas->clipRect(SkRect::MakeWH(50, 50));
// (10, 10, 90, 90).
canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, points, second_paint);
canvas->restore();
points[0].set(50, 55);
points[1].set(50, 55);
points[2].set(200, 200);
// (50, 55, 150, 145).
canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, points, third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 90, 90),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 90, 90),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 55, 150, 145),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
}
TEST(PixelRefUtilsTest, DrawRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
// (10, 20, 30, 40).
canvas->drawRect(SkRect::MakeXYWH(10, 20, 30, 40), first_paint);
canvas->save();
canvas->translate(5, 17);
// (5, 50, 25, 35)
canvas->drawRect(SkRect::MakeXYWH(0, 33, 25, 35), second_paint);
canvas->restore();
canvas->clipRect(SkRect::MakeXYWH(50, 50, 50, 50));
canvas->translate(20, 20);
// (20, 20, 100, 100)
canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 20, 30, 40),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(5, 50, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(20, 20, 100, 100),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
}
TEST(PixelRefUtilsTest, DrawRRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
SkRRect rrect;
rrect.setRect(SkRect::MakeXYWH(10, 20, 30, 40));
// (10, 20, 30, 40).
canvas->drawRRect(rrect, first_paint);
canvas->save();
canvas->translate(5, 17);
rrect.setRect(SkRect::MakeXYWH(0, 33, 25, 35));
// (5, 50, 25, 35)
canvas->drawRRect(rrect, second_paint);
canvas->restore();
canvas->clipRect(SkRect::MakeXYWH(50, 50, 50, 50));
canvas->translate(20, 20);
rrect.setRect(SkRect::MakeXYWH(0, 0, 100, 100));
// (20, 20, 100, 100)
canvas->drawRRect(rrect, third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 20, 30, 40),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(5, 50, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(20, 20, 100, 100),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
}
TEST(PixelRefUtilsTest, DrawOval) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
canvas->save();
canvas->scale(2.f, 0.5f);
// (20, 10, 60, 20).
canvas->drawOval(SkRect::MakeXYWH(10, 20, 30, 40), first_paint);
canvas->restore();
canvas->save();
canvas->translate(1, 2);
// (1, 35, 25, 35)
canvas->drawRect(SkRect::MakeXYWH(0, 33, 25, 35), second_paint);
canvas->restore();
canvas->clipRect(SkRect::MakeXYWH(50, 50, 50, 50));
canvas->translate(20, 20);
// (20, 20, 100, 100).
canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(20, 10, 60, 20),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(2.f, 0.5f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(1, 35, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(20, 20, 100, 100),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
}
TEST(PixelRefUtilsTest, DrawPath) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPath path;
path.moveTo(12, 13);
path.lineTo(50, 50);
path.lineTo(22, 101);
// (12, 13, 38, 88).
canvas->drawPath(path, first_paint);
canvas->save();
canvas->clipRect(SkRect::MakeWH(50, 50));
// (12, 13, 38, 88), since clips are ignored as long as the shape is in the
// clip.
canvas->drawPath(path, second_paint);
canvas->restore();
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(2u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(12, 13, 38, 88),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(12, 13, 38, 88),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
}
TEST(PixelRefUtilsTest, DrawText) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPoint points[4];
points[0].set(10, 50);
points[1].set(20, 50);
points[2].set(30, 50);
points[3].set(40, 50);
SkPath path;
path.moveTo(10, 50);
path.lineTo(20, 50);
path.lineTo(30, 50);
path.lineTo(40, 50);
path.lineTo(50, 50);
canvas->drawText("text", 4, 50, 50, first_paint);
canvas->drawPosText("text", 4, points, first_paint);
canvas->drawTextOnPath("text", 4, path, NULL, first_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
}
TEST(PixelRefUtilsTest, DrawVertices) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint second_paint;
SetDiscardableShader(&second_paint);
SkPaint third_paint;
SetDiscardableShader(&third_paint);
SkPoint points[3];
SkColor colors[3];
uint16_t indecies[3] = {0, 1, 2};
points[0].set(10, 10);
points[1].set(100, 20);
points[2].set(50, 100);
// (10, 10, 90, 90).
canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
3,
points,
points,
colors,
NULL,
indecies,
3,
first_paint);
canvas->save();
canvas->clipRect(SkRect::MakeWH(50, 50));
// (10, 10, 90, 90), since clips are ignored as long as the draw object is
// within clip.
canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
3,
points,
points,
colors,
NULL,
indecies,
3,
second_paint);
canvas->restore();
points[0].set(50, 55);
points[1].set(50, 55);
points[2].set(200, 200);
// (50, 55, 150, 145).
canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
3,
points,
points,
colors,
NULL,
indecies,
3,
third_paint);
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 90, 90),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 90, 90),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 55, 150, 145),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
}
TEST(PixelRefUtilsTest, DrawImage) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
skia::RefPtr<SkImage> first = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkImage> second = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkImage> third = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkImage> fourth = CreateDiscardableImage(gfx::Size(50, 1));
skia::RefPtr<SkImage> fifth = CreateDiscardableImage(gfx::Size(10, 10));
skia::RefPtr<SkImage> sixth = CreateDiscardableImage(gfx::Size(10, 10));
canvas->save();
// At (0, 0).
canvas->drawImage(first.get(), 0, 0);
canvas->translate(25, 0);
// At (25, 0).
canvas->drawImage(second.get(), 0, 0);
canvas->translate(0, 50);
// At (50, 50).
canvas->drawImage(third.get(), 25, 0);
canvas->restore();
canvas->save();
canvas->translate(1, 0);
canvas->rotate(90);
// At (1, 0), rotated 90 degrees
canvas->drawImage(fourth.get(), 0, 0);
canvas->restore();
canvas->save();
canvas->scale(5.f, 6.f);
// At (0, 0), scaled by 5 and 6
canvas->drawImage(fifth.get(), 0, 0);
canvas->restore();
canvas->rotate(27);
canvas->scale(3.3f, 0.4f);
canvas->drawImage(sixth.get(), 0, 0);
canvas->restore();
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(6u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(25, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 50, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 1, 50),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
VerifyScales(1.f, 1.f, pixel_refs[3].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[3].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 60),
gfx::SkRectToRectF(pixel_refs[4].pixel_ref_rect));
VerifyScales(5.f, 6.f, pixel_refs[4].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[4].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(-1.8159621f, 0, 31.219175f, 18.545712f),
gfx::SkRectToRectF(pixel_refs[5].pixel_ref_rect));
VerifyScales(3.3f, 0.4f, pixel_refs[5].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[5].filter_quality);
}
TEST(PixelRefUtilsTest, DrawImageRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
skia::RefPtr<SkImage> first = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkImage> second = CreateDiscardableImage(gfx::Size(50, 50));
skia::RefPtr<SkImage> third = CreateDiscardableImage(gfx::Size(50, 50));
SkPaint first_paint;
SetDiscardableShader(&first_paint);
SkPaint non_discardable_paint;
canvas->save();
// (0, 0, 100, 100).
canvas->drawImageRect(
first.get(), SkRect::MakeWH(100, 100), &non_discardable_paint);
canvas->translate(25, 0);
// (75, 50, 10, 10).
canvas->drawImageRect(
second.get(), SkRect::MakeXYWH(50, 50, 10, 10), &non_discardable_paint);
canvas->translate(5, 50);
// (0, 30, 100, 100). One from bitmap, one from paint.
canvas->drawImageRect(
third.get(), SkRect::MakeXYWH(-30, -20, 100, 100), &first_paint);
canvas->restore();
skia::RefPtr<SkPicture> picture =
skia::AdoptRef(StopRecording(&recorder, canvas));
std::vector<skia::PixelRefUtils::PositionPixelRef> pixel_refs;
skia::PixelRefUtils::GatherDiscardablePixelRefs(picture.get(), &pixel_refs);
EXPECT_EQ(4u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 100, 100),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
VerifyScales(2.f, 2.f, pixel_refs[0].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[0].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(75, 50, 10, 10),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
VerifyScales(0.2f, 0.2f, pixel_refs[1].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[1].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 30, 100, 100),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
VerifyScales(2.f, 2.f, pixel_refs[2].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[2].filter_quality);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 30, 100, 100),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
VerifyScales(2.f, 2.f, pixel_refs[3].matrix, __LINE__);
EXPECT_EQ(kNone_SkFilterQuality, pixel_refs[3].filter_quality);
}
} // namespace skia