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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "BasicLayers.h"
#include "Common.h"
#include "imgIContainer.h"
#include "ImageFactory.h"
#include "ImageContainer.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/RefPtr.h"
#include "nsIInputStream.h"
#include "nsString.h"
#include "ProgressTracker.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::image;
class ImageContainers : public ::testing::Test {
protected:
AutoInitializeImageLib mInit;
};
TEST_F(ImageContainers, RasterImageContainer) {
ImageTestCase testCase = GreenPNGTestCase();
// Create an image.
RefPtr<Image> image = ImageFactory::CreateAnonymousImage(
nsDependentCString(testCase.mMimeType));
ASSERT_TRUE(!image->HasError());
nsCOMPtr<nsIInputStream> inputStream = LoadFile(testCase.mPath);
ASSERT_TRUE(inputStream);
// Figure out how much data we have.
uint64_t length;
nsresult rv = inputStream->Available(&length);
ASSERT_TRUE(NS_SUCCEEDED(rv));
// Write the data into the image.
rv = image->OnImageDataAvailable(nullptr, nullptr, inputStream, 0,
static_cast<uint32_t>(length));
ASSERT_TRUE(NS_SUCCEEDED(rv));
// Let the image know we've sent all the data.
rv = image->OnImageDataComplete(nullptr, nullptr, NS_OK, true);
ASSERT_TRUE(NS_SUCCEEDED(rv));
RefPtr<ProgressTracker> tracker = image->GetProgressTracker();
tracker->SyncNotifyProgress(FLAG_LOAD_COMPLETE);
RefPtr<layers::LayerManager> layerManager =
new layers::BasicLayerManager(layers::BasicLayerManager::BLM_OFFSCREEN);
// Get at native size.
RefPtr<layers::ImageContainer> nativeContainer =
image->GetImageContainer(layerManager, imgIContainer::FLAG_SYNC_DECODE);
ASSERT_TRUE(nativeContainer != nullptr);
IntSize containerSize = nativeContainer->GetCurrentSize();
EXPECT_EQ(testCase.mSize.width, containerSize.width);
EXPECT_EQ(testCase.mSize.height, containerSize.height);
// Upscaling should give the native size.
ImgDrawResult drawResult;
IntSize requestedSize = testCase.mSize;
requestedSize.Scale(2, 2);
RefPtr<layers::ImageContainer> upscaleContainer;
drawResult = image->GetImageContainerAtSize(
layerManager, requestedSize, Nothing(),
imgIContainer::FLAG_SYNC_DECODE |
imgIContainer::FLAG_HIGH_QUALITY_SCALING,
getter_AddRefs(upscaleContainer));
EXPECT_EQ(drawResult, ImgDrawResult::SUCCESS);
ASSERT_TRUE(upscaleContainer != nullptr);
containerSize = upscaleContainer->GetCurrentSize();
EXPECT_EQ(testCase.mSize.width, containerSize.width);
EXPECT_EQ(testCase.mSize.height, containerSize.height);
// Downscaling should give the downscaled size.
requestedSize = testCase.mSize;
requestedSize.width /= 2;
requestedSize.height /= 2;
RefPtr<layers::ImageContainer> downscaleContainer;
drawResult = image->GetImageContainerAtSize(
layerManager, requestedSize, Nothing(),
imgIContainer::FLAG_SYNC_DECODE |
imgIContainer::FLAG_HIGH_QUALITY_SCALING,
getter_AddRefs(downscaleContainer));
EXPECT_EQ(drawResult, ImgDrawResult::SUCCESS);
ASSERT_TRUE(downscaleContainer != nullptr);
containerSize = downscaleContainer->GetCurrentSize();
EXPECT_EQ(requestedSize.width, containerSize.width);
EXPECT_EQ(requestedSize.height, containerSize.height);
// Get at native size again. Should give same container.
RefPtr<layers::ImageContainer> againContainer;
drawResult = image->GetImageContainerAtSize(
layerManager, testCase.mSize, Nothing(), imgIContainer::FLAG_SYNC_DECODE,
getter_AddRefs(againContainer));
EXPECT_EQ(drawResult, ImgDrawResult::SUCCESS);
ASSERT_EQ(nativeContainer.get(), againContainer.get());
}
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