gecko-dev/image/Image.cpp
Birunthan Mohanathas db2ca75447 Bug 1038536 - Flatten image/src/ directory. r=seth
--HG--
rename : image/src/BMPFileHeaders.h => image/BMPFileHeaders.h
rename : image/src/ClippedImage.cpp => image/ClippedImage.cpp
rename : image/src/ClippedImage.h => image/ClippedImage.h
rename : image/src/DecodePool.cpp => image/DecodePool.cpp
rename : image/src/DecodePool.h => image/DecodePool.h
rename : image/src/Decoder.cpp => image/Decoder.cpp
rename : image/src/Decoder.h => image/Decoder.h
rename : image/src/Downscaler.cpp => image/Downscaler.cpp
rename : image/src/Downscaler.h => image/Downscaler.h
rename : image/src/DynamicImage.cpp => image/DynamicImage.cpp
rename : image/src/DynamicImage.h => image/DynamicImage.h
rename : image/src/FrameAnimator.cpp => image/FrameAnimator.cpp
rename : image/src/FrameAnimator.h => image/FrameAnimator.h
rename : image/src/FrozenImage.cpp => image/FrozenImage.cpp
rename : image/src/FrozenImage.h => image/FrozenImage.h
rename : image/src/ICOFileHeaders.h => image/ICOFileHeaders.h
rename : image/src/IProgressObserver.h => image/IProgressObserver.h
rename : image/src/Image.cpp => image/Image.cpp
rename : image/src/Image.h => image/Image.h
rename : image/src/ImageFactory.cpp => image/ImageFactory.cpp
rename : image/src/ImageFactory.h => image/ImageFactory.h
rename : image/src/ImageMetadata.cpp => image/ImageMetadata.cpp
rename : image/src/ImageMetadata.h => image/ImageMetadata.h
rename : image/src/ImageOps.cpp => image/ImageOps.cpp
rename : image/src/ImageOps.h => image/ImageOps.h
rename : image/src/ImageRegion.h => image/ImageRegion.h
rename : image/src/ImageURL.h => image/ImageURL.h
rename : image/src/ImageWrapper.cpp => image/ImageWrapper.cpp
rename : image/src/ImageWrapper.h => image/ImageWrapper.h
rename : image/src/MultipartImage.cpp => image/MultipartImage.cpp
rename : image/src/MultipartImage.h => image/MultipartImage.h
rename : image/src/Orientation.h => image/Orientation.h
rename : image/src/OrientedImage.cpp => image/OrientedImage.cpp
rename : image/src/OrientedImage.h => image/OrientedImage.h
rename : image/src/ProgressTracker.cpp => image/ProgressTracker.cpp
rename : image/src/ProgressTracker.h => image/ProgressTracker.h
rename : image/src/RasterImage.cpp => image/RasterImage.cpp
rename : image/src/RasterImage.h => image/RasterImage.h
rename : image/src/SVGDocumentWrapper.cpp => image/SVGDocumentWrapper.cpp
rename : image/src/SVGDocumentWrapper.h => image/SVGDocumentWrapper.h
rename : image/src/ScriptedNotificationObserver.cpp => image/ScriptedNotificationObserver.cpp
rename : image/src/ScriptedNotificationObserver.h => image/ScriptedNotificationObserver.h
rename : image/src/ShutdownTracker.cpp => image/ShutdownTracker.cpp
rename : image/src/ShutdownTracker.h => image/ShutdownTracker.h
rename : image/src/SourceBuffer.cpp => image/SourceBuffer.cpp
rename : image/src/SourceBuffer.h => image/SourceBuffer.h
rename : image/src/SurfaceCache.cpp => image/SurfaceCache.cpp
rename : image/src/SurfaceCache.h => image/SurfaceCache.h
rename : image/src/VectorImage.cpp => image/VectorImage.cpp
rename : image/src/VectorImage.h => image/VectorImage.h
rename : image/src/imgFrame.cpp => image/imgFrame.cpp
rename : image/src/imgFrame.h => image/imgFrame.h
rename : image/src/imgLoader.cpp => image/imgLoader.cpp
rename : image/src/imgLoader.h => image/imgLoader.h
rename : image/src/imgRequest.cpp => image/imgRequest.cpp
rename : image/src/imgRequest.h => image/imgRequest.h
rename : image/src/imgRequestProxy.cpp => image/imgRequestProxy.cpp
rename : image/src/imgRequestProxy.h => image/imgRequestProxy.h
rename : image/src/imgTools.cpp => image/imgTools.cpp
rename : image/src/imgTools.h => image/imgTools.h
2015-05-14 20:52:05 -07:00

199 lines
5.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsMimeTypes.h"
#include "Image.h"
#include "nsRefreshDriver.h"
#include "mozilla/TimeStamp.h"
namespace mozilla {
namespace image {
///////////////////////////////////////////////////////////////////////////////
// Memory Reporting
///////////////////////////////////////////////////////////////////////////////
ImageMemoryCounter::ImageMemoryCounter(Image* aImage,
MallocSizeOf aMallocSizeOf,
bool aIsUsed)
: mIsUsed(aIsUsed)
{
MOZ_ASSERT(aImage);
// Extract metadata about the image.
nsRefPtr<ImageURL> imageURL(aImage->GetURI());
if (imageURL) {
imageURL->GetSpec(mURI);
}
int32_t width = 0;
int32_t height = 0;
aImage->GetWidth(&width);
aImage->GetHeight(&height);
mIntrinsicSize.SizeTo(width, height);
mType = aImage->GetType();
// Populate memory counters for source and decoded data.
mValues.SetSource(aImage->SizeOfSourceWithComputedFallback(aMallocSizeOf));
aImage->CollectSizeOfSurfaces(mSurfaces, aMallocSizeOf);
// Compute totals.
for (const SurfaceMemoryCounter& surfaceCounter : mSurfaces) {
mValues += surfaceCounter.Values();
}
}
///////////////////////////////////////////////////////////////////////////////
// Image Base Types
///////////////////////////////////////////////////////////////////////////////
// Constructor
ImageResource::ImageResource(ImageURL* aURI) :
mURI(aURI),
mInnerWindowId(0),
mAnimationConsumers(0),
mAnimationMode(kNormalAnimMode),
mInitialized(false),
mAnimating(false),
mError(false)
{ }
ImageResource::~ImageResource()
{
// Ask our ProgressTracker to drop its weak reference to us.
mProgressTracker->ResetImage();
}
// Translates a mimetype into a concrete decoder
Image::eDecoderType
Image::GetDecoderType(const char* aMimeType)
{
// By default we don't know
eDecoderType rv = eDecoderType_unknown;
// PNG
if (!strcmp(aMimeType, IMAGE_PNG)) {
rv = eDecoderType_png;
} else if (!strcmp(aMimeType, IMAGE_X_PNG)) {
rv = eDecoderType_png;
// GIF
} else if (!strcmp(aMimeType, IMAGE_GIF)) {
rv = eDecoderType_gif;
// JPEG
} else if (!strcmp(aMimeType, IMAGE_JPEG)) {
rv = eDecoderType_jpeg;
} else if (!strcmp(aMimeType, IMAGE_PJPEG)) {
rv = eDecoderType_jpeg;
} else if (!strcmp(aMimeType, IMAGE_JPG)) {
rv = eDecoderType_jpeg;
// BMP
} else if (!strcmp(aMimeType, IMAGE_BMP)) {
rv = eDecoderType_bmp;
} else if (!strcmp(aMimeType, IMAGE_BMP_MS)) {
rv = eDecoderType_bmp;
// ICO
} else if (!strcmp(aMimeType, IMAGE_ICO)) {
rv = eDecoderType_ico;
} else if (!strcmp(aMimeType, IMAGE_ICO_MS)) {
rv = eDecoderType_ico;
// Icon
} else if (!strcmp(aMimeType, IMAGE_ICON_MS)) {
rv = eDecoderType_icon;
}
return rv;
}
void
ImageResource::IncrementAnimationConsumers()
{
MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization "
"with DecrementAnimationConsumers");
mAnimationConsumers++;
}
void
ImageResource::DecrementAnimationConsumers()
{
MOZ_ASSERT(NS_IsMainThread(), "Main thread only to encourage serialization "
"with IncrementAnimationConsumers");
MOZ_ASSERT(mAnimationConsumers >= 1,
"Invalid no. of animation consumers!");
mAnimationConsumers--;
}
nsresult
ImageResource::GetAnimationModeInternal(uint16_t* aAnimationMode)
{
if (mError) {
return NS_ERROR_FAILURE;
}
NS_ENSURE_ARG_POINTER(aAnimationMode);
*aAnimationMode = mAnimationMode;
return NS_OK;
}
nsresult
ImageResource::SetAnimationModeInternal(uint16_t aAnimationMode)
{
if (mError) {
return NS_ERROR_FAILURE;
}
NS_ASSERTION(aAnimationMode == kNormalAnimMode ||
aAnimationMode == kDontAnimMode ||
aAnimationMode == kLoopOnceAnimMode,
"Wrong Animation Mode is being set!");
mAnimationMode = aAnimationMode;
return NS_OK;
}
bool
ImageResource::HadRecentRefresh(const TimeStamp& aTime)
{
// Our threshold for "recent" is 1/2 of the default refresh-driver interval.
// This ensures that we allow for frame rates at least as fast as the
// refresh driver's default rate.
static TimeDuration recentThreshold =
TimeDuration::FromMilliseconds(nsRefreshDriver::DefaultInterval() / 2.0);
if (!mLastRefreshTime.IsNull() &&
aTime - mLastRefreshTime < recentThreshold) {
return true;
}
// else, we can proceed with a refresh.
// But first, update our last refresh time:
mLastRefreshTime = aTime;
return false;
}
void
ImageResource::EvaluateAnimation()
{
if (!mAnimating && ShouldAnimate()) {
nsresult rv = StartAnimation();
mAnimating = NS_SUCCEEDED(rv);
} else if (mAnimating && !ShouldAnimate()) {
StopAnimation();
}
}
} // namespace image
} // namespace mozilla