PRUint32
imgFrame::EstimateMemoryUsed(gfxASurface::MemoryLocation aLocation) const
{
PRUint32 size = 0;
if (mSinglePixel && aLocation == gfxASurface::MEMORY_IN_PROCESS_HEAP) {
size += sizeof(gfxRGBA);
}
if (mPalettedImageData && aLocation == gfxASurface::MEMORY_IN_PROCESS_HEAP) {
size += GetImageDataLength() + PaletteDataLength();
}
#ifdef USE_WIN_SURFACE
if (mWinSurface && aLocation == mWinSurface->GetMemoryLocation()) {
size += mWinSurface->KnownMemoryUsed();
} else
#endif
#ifdef XP_MACOSX
if (mQuartzSurface && aLocation == gfxASurface::MEMORY_IN_PROCESS_HEAP) {
size += mSize.width * mSize.height * 4;
} else
#endif
if (mImageSurface && aLocation == mImageSurface->GetMemoryLocation()) {
size += mImageSurface->KnownMemoryUsed();
}
if (mOptSurface && aLocation == mOptSurface->GetMemoryLocation()) {
size += mOptSurface->KnownMemoryUsed();
}
return size;
}
nsresult imgFrame::Init(int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight,
SurfaceFormat aFormat, uint8_t aPaletteDepth /* = 0 */)
{
// assert for properties that should be verified by decoders, warn for properties related to bad content
if (!AllowedImageSize(aWidth, aHeight)) {
NS_WARNING("Should have legal image size");
return NS_ERROR_FAILURE;
}
mOffset.MoveTo(aX, aY);
mSize.SizeTo(aWidth, aHeight);
mFormat = aFormat;
mPaletteDepth = aPaletteDepth;
if (aPaletteDepth != 0) {
// We're creating for a paletted image.
if (aPaletteDepth > 8) {
NS_WARNING("Should have legal palette depth");
NS_ERROR("This Depth is not supported");
return NS_ERROR_FAILURE;
}
// Use the fallible allocator here
mPalettedImageData = (uint8_t*)moz_malloc(PaletteDataLength() + GetImageDataLength());
if (!mPalettedImageData)
NS_WARNING("moz_malloc for paletted image data should succeed");
NS_ENSURE_TRUE(mPalettedImageData, NS_ERROR_OUT_OF_MEMORY);
} else {
// Inform the discard tracker that we are going to allocate some memory.
if (!DiscardTracker::TryAllocation(4 * mSize.width * mSize.height)) {
NS_WARNING("Exceed the hard limit of decode image size");
return NS_ERROR_OUT_OF_MEMORY;
}
if (!mImageSurface) {
mVBuf = AllocateBufferForImage(mSize, mFormat);
if (!mVBuf) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (mVBuf->OnHeap()) {
int32_t stride = VolatileSurfaceStride(mSize, mFormat);
VolatileBufferPtr<uint8_t> ptr(mVBuf);
memset(ptr, 0, stride * mSize.height);
}
mImageSurface = CreateLockedSurface(mVBuf, mSize, mFormat);
}
if (!mImageSurface) {
NS_WARNING("Failed to create VolatileDataSourceSurface");
// Image surface allocation is failed, need to return
// the booked buffer size.
DiscardTracker::InformDeallocation(4 * mSize.width * mSize.height);
return NS_ERROR_OUT_OF_MEMORY;
}
mInformedDiscardTracker = true;
}
return NS_OK;
}
void imgFrame::GetImageData(PRUint8 **aData, PRUint32 *length) const
{
if (mImageSurface)
*aData = mImageSurface->Data();
else if (mPalettedImageData)
*aData = mPalettedImageData + PaletteDataLength();
else
*aData = nsnull;
*length = GetImageDataLength();
}
bool VaultImageNode::ExtractImage (plMipmap ** dst) {
hsRAMStream ramStream;
ramStream.Write(GetImageDataLength(), GetImageData());
ramStream.Rewind();
switch (GetImageType()) {
case kJPEG:
(*dst) = plJPEG::Instance().ReadFromStream(&ramStream);
break;
case kPNG:
(*dst) = plPNG::Instance().ReadFromStream(&ramStream);
break;
case kNone:
default:
(*dst) = nil;
break;
}
return ((*dst) != nil);
}
nsresult imgFrame::Init(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight,
gfxASurface::gfxImageFormat aFormat, PRUint8 aPaletteDepth /* = 0 */)
{
// assert for properties that should be verified by decoders, warn for properties related to bad content
if (!AllowedImageSize(aWidth, aHeight))
return NS_ERROR_FAILURE;
mOffset.MoveTo(aX, aY);
mSize.SizeTo(aWidth, aHeight);
mFormat = aFormat;
mPaletteDepth = aPaletteDepth;
if (aPaletteDepth != 0) {
// We're creating for a paletted image.
if (aPaletteDepth > 8) {
NS_ERROR("This Depth is not supported");
return NS_ERROR_FAILURE;
}
// Use the fallible allocator here
mPalettedImageData = (PRUint8*)moz_malloc(PaletteDataLength() + GetImageDataLength());
NS_ENSURE_TRUE(mPalettedImageData, NS_ERROR_OUT_OF_MEMORY);
} else {
// For Windows, we must create the device surface first (if we're
// going to) so that the image surface can wrap it. Can't be done
// the other way around.
#ifdef USE_WIN_SURFACE
if (!mNeverUseDeviceSurface && !ShouldUseImageSurfaces()) {
mWinSurface = new gfxWindowsSurface(gfxIntSize(mSize.width, mSize.height), mFormat);
if (mWinSurface && mWinSurface->CairoStatus() == 0) {
// no error
mImageSurface = mWinSurface->GetAsImageSurface();
} else {
mWinSurface = nsnull;
}
}
#endif
// For other platforms we create the image surface first and then
// possibly wrap it in a device surface. This branch is also used
// on Windows if we're not using device surfaces or if we couldn't
// create one.
if (!mImageSurface)
mImageSurface = new gfxImageSurface(gfxIntSize(mSize.width, mSize.height), mFormat);
if (!mImageSurface || mImageSurface->CairoStatus()) {
mImageSurface = nsnull;
// guess
return NS_ERROR_OUT_OF_MEMORY;
}
#ifdef XP_MACOSX
if (!mNeverUseDeviceSurface && !ShouldUseImageSurfaces()) {
mQuartzSurface = new gfxQuartzImageSurface(mImageSurface);
}
#endif
}
return NS_OK;
}
