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part of fix for bug 104999. r=jag sr=jst

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This commit is contained in:
pavlov%netscape.com 2001-10-19 04:16:50 +00:00
parent 155ac84ad2
commit 85a8762e4f
4 changed files with 32 additions and 13 deletions
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2
modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp
View File

@ -866,5 +866,5 @@ term_source (j_decompress_ptr jd)
src->decoder->mObserver->OnStopDecode(nsnull, nsnull, NS_OK, nsnull);
}
/* No work necessary here */
src->decoder->mFrame->SetMutable(PR_FALSE);
}

4
modules/libpr0n/decoders/png/nsPNGDecoder.cpp
View File

@ -537,5 +537,9 @@ end_callback(png_structp png_ptr, png_infop info_ptr)
decoder->mObserver->OnStopContainer(nsnull, nsnull, decoder->mImage);
decoder->mObserver->OnStopDecode(nsnull, nsnull, NS_OK, nsnull);
}
// We are never going to change the data of this frame again. Let the OS
// do what it wants with this image.
decoder->mFrame->SetMutable(PR_FALSE);
}

2
modules/libpr0n/public/imgIContainerObserver.idl
View File

@ -1,4 +1,4 @@
/** -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file

37
modules/libpr0n/src/imgContainer.cpp
View File

@ -26,13 +26,13 @@
#include "imgContainer.h"
#include "nsIServiceManager.h"
#include "nsIImage.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "gfxIImageFrame.h"
#include "nsIImage.h"
#include "nsMemory.h"
NS_IMPL_ISUPPORTS3(imgContainer, imgIContainer, nsITimerCallback,imgIDecoderObserver)
NS_IMPL_ISUPPORTS3(imgContainer, imgIContainer, nsITimerCallback, imgIDecoderObserver)
//******************************************************************************
imgContainer::imgContainer() :
@ -105,10 +105,13 @@ NS_IMETHODIMP imgContainer::GetHeight(nscoord *aHeight)
/* readonly attribute gfxIImageFrame currentFrame; */
NS_IMETHODIMP imgContainer::GetCurrentFrame(gfxIImageFrame * *aCurrentFrame)
{
if (mCompositingFrame)
return mCompositingFrame->QueryInterface(NS_GET_IID(gfxIImageFrame), (void**)aCurrentFrame); // addrefs again
else
return this->GetFrameAt(mCurrentAnimationFrameIndex, aCurrentFrame);
if (mCompositingFrame) {
*aCurrentFrame = mCompositingFrame;
NS_ADDREF(*aCurrentFrame);
return NS_OK;
}
return this->GetFrameAt(mCurrentAnimationFrameIndex, aCurrentFrame);
}
//******************************************************************************
@ -162,10 +165,14 @@ NS_IMETHODIMP imgContainer::AppendFrame(gfxIImageFrame *item)
(numFrames >= 1)) // Not sure if I want to create a composite frame for every anim. Could be smarter.
{
mCompositingFrame = do_CreateInstance("@mozilla.org/gfx/image/frame;2");
mCompositingFrame->Init(0, 0, mSize.width, mSize.height, gfxIFormats::RGB_A1);
nsCOMPtr<nsIImage> img(do_GetInterface(mCompositingFrame));
img->SetDecodedRect(0, 0, mSize.width, mSize.height);
mCompositingFrame->Init(0, 0, mSize.width, mSize.height, gfxIFormats::RGB_A1);
nsCOMPtr<nsIInterfaceRequestor> ireq(do_QueryInterface(mCompositingFrame));
if (ireq) {
nsCOMPtr<nsIImage> img(do_GetInterface(ireq));
img->SetDecodedRect(0, 0, mSize.width, mSize.height);
}
nsCOMPtr<gfxIImageFrame> firstFrame;
this->GetFrameAt(0, getter_AddRefs(firstFrame));
@ -243,6 +250,14 @@ NS_IMETHODIMP imgContainer::EndFrameDecode(PRUint32 aFrameNum, PRUint32 aTimeout
NS_IMETHODIMP imgContainer::DecodingComplete(void)
{
mDoneDecoding = PR_TRUE;
PRUint32 numFrames;
mFrames.Count(&numFrames);
if (numFrames == 1) {
nsCOMPtr<gfxIImageFrame> currentFrame;
GetFrameAt(0, getter_AddRefs(currentFrame));
currentFrame->SetMutable(PR_FALSE);
}
return NS_OK;
}
@ -568,7 +583,7 @@ NS_IMETHODIMP imgContainer::OnDataAvailable(imgIRequest *aRequest, nsISupports *
aFrame->DrawTo(mCompositingFrame, x, aRect->y, aRect->width, aRect->height);
BuildCompositeMask(mCompositingFrame, aFrame);
}
return NS_OK;
return NS_OK;
}
//******************************************************************************