blob: 237bc60e37a46dafc28d8875ce5ac4ebf715564d [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 "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/SkFlattenableBuffers.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/rect.h"
#include "ui/gfx/skia_util.h"
namespace skia {
namespace {
void CreateBitmap(gfx::Size size, const char* uri, SkBitmap* bitmap);
class TestDiscardableShader : public SkShader {
public:
TestDiscardableShader() {
CreateBitmap(gfx::Size(50, 50), "discardable", &bitmap_);
}
TestDiscardableShader(SkFlattenableReadBuffer& flattenable_buffer) {
SkOrderedReadBuffer& buffer =
static_cast<SkOrderedReadBuffer&>(flattenable_buffer);
SkReader32* reader = buffer.getReader32();
reader->skip(-4);
uint32_t toSkip = reader->readU32();
reader->skip(toSkip);
CreateBitmap(gfx::Size(50, 50), "discardable", &bitmap_);
}
virtual SkShader::BitmapType asABitmap(SkBitmap* bitmap,
SkMatrix* matrix,
TileMode xy[2]) const OVERRIDE {
if (bitmap)
*bitmap = bitmap_;
return SkShader::kDefault_BitmapType;
}
// not indended to return an actual context. Just need to supply this.
virtual size_t contextSize() const OVERRIDE {
return sizeof(SkShader::Context);
}
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(TestDiscardableShader);
private:
SkBitmap bitmap_;
};
void CreateBitmap(gfx::Size size, const char* uri, SkBitmap* bitmap) {
const SkImageInfo info = {
size.width(), size.height(), kPMColor_SkColorType, kPremul_SkAlphaType
};
bitmap->setConfig(info);
bitmap->allocPixels();
bitmap->pixelRef()->setImmutable();
bitmap->pixelRef()->setURI(uri);
}
SkCanvas* StartRecording(SkPictureRecorder* recorder, gfx::Rect layer_rect) {
SkCanvas* canvas = recorder->beginRecording(
layer_rect.width(),
layer_rect.height(),
NULL,
SkPicture::kUsePathBoundsForClip_RecordingFlag);
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->endRecording();
}
} // namespace
TEST(PixelRefUtilsTest, DrawPaint) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
canvas->drawPaint(first_paint);
canvas->clipRect(SkRect::MakeXYWH(34, 45, 56, 67));
canvas->drawPaint(second_paint);
// 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(3u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 256, 256),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(34, 45, 56, 67),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(34, 45, 56, 55),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawPoints) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
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, 40, 40).
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 40, 40),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 55, 150, 145),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
// (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);
// (50, 50, 50, 50)
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(5, 50, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 50, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawRRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
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));
// (50, 50, 50, 50)
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(5, 50, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 50, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawOval) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
canvas->save();
canvas->scale(2, 0.5);
// (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);
// (50, 50, 50, 50)
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(1, 35, 25, 35),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 50, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawPath) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
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, 37).
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(12, 13, 38, 37),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawBitmap) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkBitmap first;
CreateBitmap(gfx::Size(50, 50), "discardable", &first);
SkBitmap second;
CreateBitmap(gfx::Size(50, 50), "discardable", &second);
SkBitmap third;
CreateBitmap(gfx::Size(50, 50), "discardable", &third);
SkBitmap fourth;
CreateBitmap(gfx::Size(50, 1), "discardable", &fourth);
SkBitmap fifth;
CreateBitmap(gfx::Size(10, 10), "discardable", &fifth);
canvas->save();
// At (0, 0).
canvas->drawBitmap(first, 0, 0);
canvas->translate(25, 0);
// At (25, 0).
canvas->drawBitmap(second, 0, 0);
canvas->translate(0, 50);
// At (50, 50).
canvas->drawBitmap(third, 25, 0);
canvas->restore();
canvas->save();
canvas->translate(1, 0);
canvas->rotate(90);
// At (1, 0), rotated 90 degrees
canvas->drawBitmap(fourth, 0, 0);
canvas->restore();
canvas->scale(5, 6);
// At (0, 0), scaled by 5 and 6
canvas->drawBitmap(fifth, 0, 0);
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(5u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(25, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 50, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 1, 50),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 60),
gfx::SkRectToRectF(pixel_refs[4].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawBitmapRect) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkBitmap first;
CreateBitmap(gfx::Size(50, 50), "discardable", &first);
SkBitmap second;
CreateBitmap(gfx::Size(50, 50), "discardable", &second);
SkBitmap third;
CreateBitmap(gfx::Size(50, 50), "discardable", &third);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
SkPaint non_discardable_paint;
canvas->save();
// (0, 0, 100, 100).
canvas->drawBitmapRect(
first, SkRect::MakeWH(100, 100), &non_discardable_paint);
canvas->translate(25, 0);
// (75, 50, 10, 10).
canvas->drawBitmapRect(
second, SkRect::MakeXYWH(50, 50, 10, 10), &non_discardable_paint);
canvas->translate(5, 50);
// (0, 30, 100, 100). One from bitmap, one from paint.
canvas->drawBitmapRect(
third, 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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(75, 50, 10, 10),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 30, 100, 100),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 30, 100, 100),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawSprite) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
SkBitmap first;
CreateBitmap(gfx::Size(50, 50), "discardable", &first);
SkBitmap second;
CreateBitmap(gfx::Size(50, 50), "discardable", &second);
SkBitmap third;
CreateBitmap(gfx::Size(50, 50), "discardable", &third);
SkBitmap fourth;
CreateBitmap(gfx::Size(50, 50), "discardable", &fourth);
SkBitmap fifth;
CreateBitmap(gfx::Size(50, 50), "discardable", &fifth);
canvas->save();
// Sprites aren't affected by the current matrix.
// (0, 0, 50, 50).
canvas->drawSprite(first, 0, 0);
canvas->translate(25, 0);
// (10, 0, 50, 50).
canvas->drawSprite(second, 10, 0);
canvas->translate(0, 50);
// (25, 0, 50, 50).
canvas->drawSprite(third, 25, 0);
canvas->restore();
canvas->save();
canvas->rotate(90);
// (0, 0, 50, 50).
canvas->drawSprite(fourth, 0, 0);
canvas->restore();
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
canvas->scale(5, 6);
// (100, 100, 50, 50).
canvas->drawSprite(fifth, 100, 100, &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(6u, pixel_refs.size());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[0].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(25, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 50, 50),
gfx::SkRectToRectF(pixel_refs[3].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(100, 100, 50, 50),
gfx::SkRectToRectF(pixel_refs[4].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(100, 100, 50, 50),
gfx::SkRectToRectF(pixel_refs[5].pixel_ref_rect));
}
TEST(PixelRefUtilsTest, DrawText) {
gfx::Rect layer_rect(0, 0, 256, 256);
SkPictureRecorder recorder;
SkCanvas* canvas = StartRecording(&recorder, layer_rect);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
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);
TestDiscardableShader first_shader;
SkPaint first_paint;
first_paint.setShader(&first_shader);
TestDiscardableShader second_shader;
SkPaint second_paint;
second_paint.setShader(&second_shader);
TestDiscardableShader third_shader;
SkPaint third_paint;
third_paint.setShader(&third_shader);
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, 40, 40).
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));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(10, 10, 40, 40),
gfx::SkRectToRectF(pixel_refs[1].pixel_ref_rect));
EXPECT_FLOAT_RECT_EQ(gfx::RectF(50, 55, 150, 145),
gfx::SkRectToRectF(pixel_refs[2].pixel_ref_rect));
}
} // namespace skia