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// Copyright 2015 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 "cc/layers/picture_image_layer.h"
#include "cc/resources/display_item.h"
#include "cc/test/skia_common.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/SkColor.h"
namespace cc {
namespace {
TEST(PictureImageLayerTest, PaintContentsToDisplayList) {
scoped_refptr<PictureImageLayer> layer = PictureImageLayer::Create();
gfx::Rect layer_rect(200, 200);
SkBitmap image_bitmap;
unsigned char image_pixels[4 * 200 * 200] = {0};
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
image_bitmap.installPixels(info, image_pixels, info.minRowBytes());
SkCanvas image_canvas(image_bitmap);
image_canvas.clear(SK_ColorRED);
SkPaint blue_paint;
blue_paint.setColor(SK_ColorBLUE);
image_canvas.drawRectCoords(0.f, 0.f, 100.f, 100.f, blue_paint);
image_canvas.drawRectCoords(100.f, 100.f, 200.f, 200.f, blue_paint);
layer->SetBitmap(image_bitmap);
layer->SetBounds(gfx::Size(layer_rect.width(), layer_rect.height()));
bool use_cached_picture = false;
scoped_refptr<DisplayItemList> display_list =
DisplayItemList::Create(layer_rect, use_cached_picture);
layer->PaintContentsToDisplayList(
display_list.get(), layer_rect,
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
unsigned char actual_pixels[4 * 200 * 200] = {0};
DrawDisplayList(actual_pixels, layer_rect, display_list);
EXPECT_EQ(0, memcmp(actual_pixels, image_pixels, 4 * 200 * 200));
}
TEST(PictureImageLayerTest, PaintContentsToCachedDisplayList) {
scoped_refptr<PictureImageLayer> layer = PictureImageLayer::Create();
gfx::Rect layer_rect(200, 200);
SkBitmap image_bitmap;
unsigned char image_pixels[4 * 200 * 200] = {0};
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
image_bitmap.installPixels(info, image_pixels, info.minRowBytes());
SkCanvas image_canvas(image_bitmap);
image_canvas.clear(SK_ColorRED);
SkPaint blue_paint;
blue_paint.setColor(SK_ColorBLUE);
image_canvas.drawRectCoords(0.f, 0.f, 100.f, 100.f, blue_paint);
image_canvas.drawRectCoords(100.f, 100.f, 200.f, 200.f, blue_paint);
layer->SetBitmap(image_bitmap);
layer->SetBounds(gfx::Size(layer_rect.width(), layer_rect.height()));
bool use_cached_picture = true;
scoped_refptr<DisplayItemList> display_list =
DisplayItemList::Create(layer_rect, use_cached_picture);
layer->PaintContentsToDisplayList(
display_list.get(), layer_rect,
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->CreateAndCacheSkPicture();
unsigned char actual_pixels[4 * 200 * 200] = {0};
DrawDisplayList(actual_pixels, layer_rect, display_list);
EXPECT_EQ(0, memcmp(actual_pixels, image_pixels, 4 * 200 * 200));
}
} // namespace
} // namespace cc
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