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Bug 216568 - <svg:image> implementation. r=pavlov

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This commit is contained in:
tor%cs.brown.edu 2004-12-17 23:45:30 +00:00
parent 3d5bed914f
commit 9fd7c6b3b7
5 changed files with 661 additions and 5 deletions
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3
content/svg/content/src/Makefile.in
View File

@ -60,7 +60,8 @@ REQUIRES = xpcom \
necko \
xpconnect \
webshell \
unicharutil
unicharutil \
imglib2
CPPSRCS = \
nsSVGAngle.cpp \

64
content/svg/content/src/nsSVGImageElement.cpp
View File

@ -48,12 +48,18 @@
#include "nsSVGCoordCtxProvider.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsSVGAnimatedPreserveAspectRatio.h"
#include "nsSVGPreserveAspectRatio.h"
#include "nsImageLoadingContent.h"
#include "imgIContainer.h"
#include "imgIDecoderObserver.h"
typedef nsSVGGraphicElement nsSVGImageElementBase;
class nsSVGImageElement : public nsSVGImageElementBase,
public nsIDOMSVGImageElement,
public nsIDOMSVGURIReference
public nsIDOMSVGURIReference,
public nsImageLoadingContent
{
protected:
friend nsresult NS_NewSVGImageElement(nsIContent **aResult,
@ -77,6 +83,9 @@ public:
// nsISVGContent specializations:
virtual void ParentChainChanged();
// nsISVGValueObserver specializations:
NS_IMETHOD DidModifySVGObservable(nsISVGValue *observable);
protected:
void GetSrc(nsAString& src);
@ -85,7 +94,7 @@ protected:
nsCOMPtr<nsIDOMSVGAnimatedLength> mWidth;
nsCOMPtr<nsIDOMSVGAnimatedLength> mHeight;
nsCOMPtr<nsIDOMSVGAnimatedString> mHref;
nsCOMPtr<nsIDOMSVGAnimatedPreserveAspectRatio> mPreserveAspectRatio;
};
@ -104,6 +113,8 @@ NS_INTERFACE_MAP_BEGIN(nsSVGImageElement)
NS_INTERFACE_MAP_ENTRY(nsIDOMSVGElement)
NS_INTERFACE_MAP_ENTRY(nsIDOMSVGImageElement)
NS_INTERFACE_MAP_ENTRY(nsIDOMSVGURIReference)
NS_INTERFACE_MAP_ENTRY(imgIDecoderObserver)
NS_INTERFACE_MAP_ENTRY(nsIImageLoadingContent)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(SVGImageElement)
NS_INTERFACE_MAP_END_INHERITING(nsSVGImageElementBase)
@ -193,6 +204,20 @@ nsSVGImageElement::Init()
NS_ENSURE_SUCCESS(rv,rv);
}
// DOM property: preserveAspectRatio , #IMPLIED attrib: preserveAspectRatio
{
nsCOMPtr<nsIDOMSVGPreserveAspectRatio> preserveAspectRatio;
rv = NS_NewSVGPreserveAspectRatio(getter_AddRefs(preserveAspectRatio));
NS_ENSURE_SUCCESS(rv,rv);
rv = NS_NewSVGAnimatedPreserveAspectRatio(
getter_AddRefs(mPreserveAspectRatio),
preserveAspectRatio);
NS_ENSURE_SUCCESS(rv,rv);
rv = AddMappedSVGValue(nsSVGAtoms::preserveAspectRatio,
mPreserveAspectRatio);
NS_ENSURE_SUCCESS(rv,rv);
}
return rv;
}
@ -243,8 +268,9 @@ NS_IMETHODIMP
nsSVGImageElement::GetPreserveAspectRatio(nsIDOMSVGAnimatedPreserveAspectRatio
**aPreserveAspectRatio)
{
NS_NOTYETIMPLEMENTED("write me!");
return NS_ERROR_UNEXPECTED;
*aPreserveAspectRatio = mPreserveAspectRatio;
NS_IF_ADDREF(*aPreserveAspectRatio);
return NS_OK;
}
//----------------------------------------------------------------------
@ -333,3 +359,33 @@ void nsSVGImageElement::GetSrc(nsAString& src)
else
src = relURIStr;
}
//----------------------------------------------------------------------
// nsISVGValueObserver methods:
NS_IMETHODIMP
nsSVGImageElement::DidModifySVGObservable(nsISVGValue* aObservable)
{
nsCOMPtr<nsIDOMSVGAnimatedString> s = do_QueryInterface(aObservable);
if (s && mHref == s) {
nsAutoString href;
GetSrc(href);
#ifdef DEBUG_tor
fprintf(stderr, "nsSVGImageElement - URI <%s>\n", ToNewCString(href));
#endif
// If caller is not chrome and dom.disable_image_src_set is true,
// prevent setting image.src by exiting early
if (nsContentUtils::GetBoolPref("dom.disable_image_src_set") &&
!nsContentUtils::IsCallerChrome()) {
return NS_OK;
}
ImageURIChanged(href);
}
return nsSVGImageElementBase::DidModifySVGObservable(aObservable);
}

5
layout/base/nsCSSFrameConstructor.cpp
View File

@ -210,6 +210,8 @@ extern nsresult
NS_NewSVGStopFrame(nsIPresShell *aPresShell, nsIContent *aContent, nsIFrame *aParentFrame, nsIFrame** newFrame);
nsresult
NS_NewSVGMarkerFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsIFrame** aNewFrame);
extern nsresult
NS_NewSVGImageFrame(nsIPresShell *aPresShell, nsIContent *aContent, nsIFrame** newFrame);
#endif
#include "nsIDocument.h"
@ -7291,6 +7293,9 @@ nsCSSFrameConstructor::ConstructSVGFrame(nsIPresShell* aPresShell,
processChildren = PR_TRUE;
rv = NS_NewSVGMarkerFrame(aPresShell, aContent, &newFrame);
}
else if (aTag == nsSVGAtoms::image) {
rv = NS_NewSVGImageFrame(aPresShell, aContent, &newFrame);
}
if (newFrame == nsnull) {
// Either we have an unknown tag, or construction of a frame

2
layout/svg/base/src/Makefile.in
View File

@ -60,6 +60,7 @@ REQUIRES = xpcom \
necko \
unicharutil \
webshell \
imglib2 \
$(NULL)
CPPSRCS = \
@ -71,6 +72,7 @@ CPPSRCS = \
nsSVGGenericContainerFrame.cpp \
nsSVGGlyphFrame.cpp \
nsSVGGradientFrame.cpp \
nsSVGImageFrame.cpp \
nsSVGInnerSVGFrame.cpp \
nsSVGLineFrame.cpp \
nsSVGMarkerFrame.cpp \

592
layout/svg/base/src/nsSVGImageFrame.cpp Normal file
View File

@ -0,0 +1,592 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla SVG project.
*
* The Initial Developer of the Original Code is IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsSVGPathGeometryFrame.h"
#include "nsIDOMSVGAnimatedLength.h"
#include "nsIDOMSVGLength.h"
#include "nsIDOMSVGImageElement.h"
#include "nsIDOMSVGElement.h"
#include "nsISVGRendererPathBuilder.h"
#include "nsISVGRendererSurface.h"
#include "nsISVGRendererCanvas.h"
#include "nsISVGRenderer.h"
#include "nsIDOMSVGMatrix.h"
#include "nsIDOMSVGAnimPresAspRatio.h"
#include "nsIDOMSVGPresAspectRatio.h"
#include "imgIDecoderObserver.h"
#include "imgIContainerObserver.h"
#include "nsIImageLoadingContent.h"
#include "imgIContainer.h"
#include "gfxIImageFrame.h"
#include "imgIRequest.h"
#define NS_GET_BIT(rowptr, x) (rowptr[(x)>>3] & (1<<(7-(x)&0x7)))
class nsSVGImageFrame;
class nsSVGImageListener : public imgIDecoderObserver
{
public:
nsSVGImageListener(nsSVGImageFrame *aFrame);
virtual ~nsSVGImageListener();
NS_DECL_ISUPPORTS
NS_DECL_IMGIDECODEROBSERVER
NS_DECL_IMGICONTAINEROBSERVER
void SetFrame(nsSVGImageFrame *frame) { mFrame = frame; }
private:
nsSVGImageFrame *mFrame;
};
class nsSVGImageFrame : public nsSVGPathGeometryFrame
{
protected:
friend nsresult
NS_NewSVGImageFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsIFrame** aNewFrame);
virtual ~nsSVGImageFrame();
virtual nsresult Init();
public:
// nsISVGValueObserver interface:
NS_IMETHOD DidModifySVGObservable(nsISVGValue* observable);
// nsISVGPathGeometrySource interface:
NS_IMETHOD ConstructPath(nsISVGRendererPathBuilder *pathBuilder);
// nsISVGChildFrame interface:
NS_IMETHOD Paint(nsISVGRendererCanvas* canvas, const nsRect& dirtyRectTwips);
private:
nsCOMPtr<nsIDOMSVGLength> mX;
nsCOMPtr<nsIDOMSVGLength> mY;
nsCOMPtr<nsIDOMSVGLength> mWidth;
nsCOMPtr<nsIDOMSVGLength> mHeight;
nsCOMPtr<nsIDOMSVGPreserveAspectRatio> mPreserveAspectRatio;
nsCOMPtr<imgIDecoderObserver> mListener;
nsCOMPtr<nsISVGRendererSurface> mSurface;
nsresult ConvertFrame(gfxIImageFrame *aNewFrame);
friend class nsSVGImageListener;
PRBool mSurfaceInvalid;
};
//----------------------------------------------------------------------
// Implementation
nsresult
NS_NewSVGImageFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsIFrame** aNewFrame)
{
*aNewFrame = nsnull;
nsCOMPtr<nsIDOMSVGImageElement> Rect = do_QueryInterface(aContent);
if (!Rect) {
#ifdef DEBUG
printf("warning: trying to construct an SVGImageFrame for a content element that doesn't support the right interfaces\n");
#endif
return NS_ERROR_FAILURE;
}
nsSVGImageFrame* it = new (aPresShell) nsSVGImageFrame;
if (nsnull == it)
return NS_ERROR_OUT_OF_MEMORY;
*aNewFrame = it;
return NS_OK;
}
nsSVGImageFrame::~nsSVGImageFrame()
{
nsCOMPtr<nsISVGValue> value;
if (mX && (value = do_QueryInterface(mX)))
value->RemoveObserver(this);
if (mY && (value = do_QueryInterface(mY)))
value->RemoveObserver(this);
if (mWidth && (value = do_QueryInterface(mWidth)))
value->RemoveObserver(this);
if (mHeight && (value = do_QueryInterface(mHeight)))
value->RemoveObserver(this);
if (mPreserveAspectRatio && (value = do_QueryInterface(mPreserveAspectRatio)))
value->RemoveObserver(this);
// set the frame to null so we don't send messages to a dead object.
if (mListener) {
nsCOMPtr<nsIImageLoadingContent> imageLoader = do_QueryInterface(mContent);
if (imageLoader) {
imageLoader->RemoveObserver(mListener);
}
NS_REINTERPRET_CAST(nsSVGImageListener*, mListener.get())->SetFrame(nsnull);
}
mListener = nsnull;
}
nsresult nsSVGImageFrame::Init()
{
nsresult rv = nsSVGPathGeometryFrame::Init();
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDOMSVGImageElement> Rect = do_QueryInterface(mContent);
NS_ASSERTION(Rect,"wrong content element");
{
nsCOMPtr<nsIDOMSVGAnimatedLength> length;
Rect->GetX(getter_AddRefs(length));
length->GetBaseVal(getter_AddRefs(mX));
NS_ASSERTION(mX, "no x");
if (!mX) return NS_ERROR_FAILURE;
nsCOMPtr<nsISVGValue> value = do_QueryInterface(mX);
if (value)
value->AddObserver(this);
}
{
nsCOMPtr<nsIDOMSVGAnimatedLength> length;
Rect->GetY(getter_AddRefs(length));
length->GetBaseVal(getter_AddRefs(mY));
NS_ASSERTION(mY, "no y");
if (!mY) return NS_ERROR_FAILURE;
nsCOMPtr<nsISVGValue> value = do_QueryInterface(mY);
if (value)
value->AddObserver(this);
}
{
nsCOMPtr<nsIDOMSVGAnimatedLength> length;
Rect->GetWidth(getter_AddRefs(length));
length->GetBaseVal(getter_AddRefs(mWidth));
NS_ASSERTION(mWidth, "no width");
if (!mWidth) return NS_ERROR_FAILURE;
nsCOMPtr<nsISVGValue> value = do_QueryInterface(mWidth);
if (value)
value->AddObserver(this);
}
{
nsCOMPtr<nsIDOMSVGAnimatedLength> length;
Rect->GetHeight(getter_AddRefs(length));
length->GetBaseVal(getter_AddRefs(mHeight));
NS_ASSERTION(mHeight, "no height");
if (!mHeight) return NS_ERROR_FAILURE;
nsCOMPtr<nsISVGValue> value = do_QueryInterface(mHeight);
if (value)
value->AddObserver(this);
}
{
nsCOMPtr<nsIDOMSVGAnimatedPreserveAspectRatio> ratio;
Rect->GetPreserveAspectRatio(getter_AddRefs(ratio));
ratio->GetBaseVal(getter_AddRefs(mPreserveAspectRatio));
NS_ASSERTION(mHeight, "no preserveAspectRatio");
if (!mPreserveAspectRatio) return NS_ERROR_FAILURE;
nsCOMPtr<nsISVGValue> value = do_QueryInterface(mPreserveAspectRatio);
if (value)
value->AddObserver(this);
}
mSurface = nsnull;
mSurfaceInvalid = PR_TRUE;
mListener = new nsSVGImageListener(this);
if (!mListener) return NS_ERROR_OUT_OF_MEMORY;
nsCOMPtr<nsIImageLoadingContent> imageLoader = do_QueryInterface(mContent);
NS_ENSURE_TRUE(imageLoader, NS_ERROR_UNEXPECTED);
imageLoader->AddObserver(mListener);
return NS_OK;
}
//----------------------------------------------------------------------
// nsISVGValueObserver methods:
NS_IMETHODIMP
nsSVGImageFrame::DidModifySVGObservable(nsISVGValue* observable)
{
nsCOMPtr<nsIDOMSVGLength> l = do_QueryInterface(observable);
if (l && (mX==l || mY==l || mWidth==l || mHeight==l)) {
UpdateGraphic(nsISVGPathGeometrySource::UPDATEMASK_PATH);
return NS_OK;
}
// else
return nsSVGPathGeometryFrame::DidModifySVGObservable(observable);
}
//----------------------------------------------------------------------
// nsISVGPathGeometrySource methods:
/* void constructPath (in nsISVGRendererPathBuilder pathBuilder); */
/* For the purposes of the update/invalidation logic pretend to
be a rectangle. */
NS_IMETHODIMP nsSVGImageFrame::ConstructPath(nsISVGRendererPathBuilder* pathBuilder)
{
float x, y, width, height;
mX->GetValue(&x);
mY->GetValue(&y);
mWidth->GetValue(&width);
mHeight->GetValue(&height);
/* In a perfect world, this would be handled by the DOM, and
return a DOM exception. */
if (width == 0 || height == 0)
return NS_OK;
pathBuilder->Moveto(x, y);
pathBuilder->Lineto(x+width, y);
pathBuilder->Lineto(x+width, y+height);
pathBuilder->Lineto(x, y+height);
pathBuilder->ClosePath(&x, &y);
return NS_OK;
}
//----------------------------------------------------------------------
// nsISVGChildFrame methods:
NS_IMETHODIMP
nsSVGImageFrame::Paint(nsISVGRendererCanvas* canvas, const nsRect& dirtyRectTwips)
{
if (mSurfaceInvalid) {
nsCOMPtr<imgIRequest> currentRequest;
nsCOMPtr<nsIImageLoadingContent> imageLoader = do_QueryInterface(mContent);
if (imageLoader)
imageLoader->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
getter_AddRefs(currentRequest));
nsCOMPtr<imgIContainer> currentContainer;
if (currentRequest)
currentRequest->GetImage(getter_AddRefs(currentContainer));
nsCOMPtr<gfxIImageFrame> currentFrame;
if (currentContainer)
currentContainer->GetCurrentFrame(getter_AddRefs(currentFrame));
if (currentFrame) {
ConvertFrame(currentFrame);
mSurfaceInvalid = PR_FALSE;
} else {
return NS_OK;
}
}
if (mSurface) {
nsCOMPtr<nsIDOMSVGMatrix> ctm;
GetCanvasTM(getter_AddRefs(ctm));
float width, height;
mWidth->GetValue(&width);
mHeight->GetValue(&height);
PRUint32 nativeWidth, nativeHeight;
mSurface->GetWidth(&nativeWidth);
mSurface->GetHeight(&nativeHeight);
PRUint16 align, meetOrSlice;
mPreserveAspectRatio->GetAlign(&align);
mPreserveAspectRatio->GetMeetOrSlice(&meetOrSlice);
// default to the defaults
if (align == nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_UNKNOWN)
align = nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMID;
if (meetOrSlice == nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_UNKNOWN)
align = nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_MEET;
float a, d, e, f;
a = width/nativeWidth;
d = height/nativeHeight;
e = 0.0f;
f = 0.0f;
if (align != nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE &&
a != d) {
if (meetOrSlice == nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_MEET &&
a < d ||
meetOrSlice == nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_SLICE &&
d < a) {
d = a;
switch (align) {
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMIN:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMIN:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMIN:
break;
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMID:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMID:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMID:
f = (height - a * nativeHeight) / 2.0f;
break;
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMAX:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMAX:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMAX:
f = height - a * nativeHeight;
break;
default:
NS_NOTREACHED("Unknown value for align");
}
}
else if (
meetOrSlice == nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_MEET &&
d < a ||
meetOrSlice == nsIDOMSVGPreserveAspectRatio::SVG_MEETORSLICE_SLICE &&
a < d) {
a = d;
switch (align) {
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMIN:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMID:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMINYMAX:
break;
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMIN:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMID:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMAX:
e = (width - a * nativeWidth) / 2.0f;
break;
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMIN:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMID:
case nsIDOMSVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMAXYMAX:
e = width - a * nativeWidth;
break;
default:
NS_NOTREACHED("Unknown value for align");
}
}
else NS_NOTREACHED("Unknown value for meetOrSlice");
}
float x, y;
mX->GetValue(&x);
mY->GetValue(&y);
nsCOMPtr<nsIDOMSVGMatrix> trans;
ctm->Translate(x + e, y + f, getter_AddRefs(trans));
nsCOMPtr<nsIDOMSVGMatrix> fini;
trans->ScaleNonUniform(a, d, getter_AddRefs(fini));
canvas->CompositeSurfaceMatrix(mSurface,
fini,
mStyleContext->GetStyleDisplay()->mOpacity);
}
return NS_OK;
}
nsresult
nsSVGImageFrame::ConvertFrame(gfxIImageFrame *aNewFrame)
{
PRInt32 width, height;
aNewFrame->GetWidth(&width);
aNewFrame->GetHeight(&height);
nsISVGOuterSVGFrame *outerSVGFrame = GetOuterSVGFrame();
nsCOMPtr<nsISVGRenderer> renderer;
outerSVGFrame->GetRenderer(getter_AddRefs(renderer));
renderer->CreateSurface(width, height, getter_AddRefs(mSurface));
PRUint8 *data, *target;
PRUint32 length;
PRInt32 stride;
mSurface->Lock();
mSurface->GetData(&data, &length, &stride);
#ifdef XP_WIN
stride = -stride;
#endif
aNewFrame->LockImageData();
aNewFrame->LockAlphaData();
PRUint8 *rgb, *alpha = nsnull;
PRUint32 bpr, abpr;
aNewFrame->GetImageData(&rgb, &length);
aNewFrame->GetImageBytesPerRow(&bpr);
aNewFrame->GetAlphaData(&alpha, &length);
aNewFrame->GetAlphaBytesPerRow(&abpr);
if (!alpha) {
for (PRInt32 y=0; y<height; y++) {
if (stride > 0)
target = data + stride * y;
else
target = data + stride * (1 - height) + stride * y;
for (PRInt32 x=0; x<width; x++) {
#ifdef XP_WIN
*target++ = rgb[y*bpr + 3*x];
*target++ = rgb[y*bpr + 3*x + 1];
*target++ = rgb[y*bpr + 3*x + 2];
#else
*target++ = rgb[y*bpr + 3*x + 2];
*target++ = rgb[y*bpr + 3*x + 1];
*target++ = rgb[y*bpr + 3*x];
#endif
*target++ = 255;
}
}
} else {
if (abpr >= width) {
/* 8-bit alpha */
for (PRInt32 y=0; y<height; y++) {
if (stride > 0)
target = data + stride * y;
else
target = data + stride * (1 - height) + stride * y;
for (PRInt32 x=0; x<width; x++) {
PRUint32 a = alpha[y*abpr + x];
#ifdef XP_WIN
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x] * a);
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x + 1] * a);
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x + 2] * a);
#else
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x + 2] * a);
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x + 1] * a);
FAST_DIVIDE_BY_255(*target++, rgb[y*bpr + 3*x] * a);
#endif
*target++ = a;
}
}
} else {
/* 1-bit alpha */
for (PRInt32 y=0; y<height; y++) {
if (stride > 0)
target = data + stride * y;
else
target = data + stride * (1 - height) + stride * y;
PRUint8 *alphaRow = alpha + y*abpr;
for (PRUint32 x=0; x<width; x++) {
if (NS_GET_BIT(alphaRow, x)) {
#ifdef XP_WIN
*target++ = rgb[y*bpr + 3*x];
*target++ = rgb[y*bpr + 3*x + 1];
*target++ = rgb[y*bpr + 3*x + 2];
#else
*target++ = rgb[y*bpr + 3*x + 2];
*target++ = rgb[y*bpr + 3*x + 1];
*target++ = rgb[y*bpr + 3*x];
#endif
*target++ = 255;
} else {
*target++ = 0;
*target++ = 0;
*target++ = 0;
*target++ = 0;
}
}
}
}
}
mSurface->Unlock();
aNewFrame->UnlockImageData();
aNewFrame->UnlockAlphaData();
return NS_OK;
}
//----------------------------------------------------------------------
// nsSVGImageListener implementation
NS_IMPL_ISUPPORTS2(nsSVGImageListener,
imgIDecoderObserver,
imgIContainerObserver)
nsSVGImageListener::nsSVGImageListener(nsSVGImageFrame *aFrame) : mFrame(aFrame)
{
}
nsSVGImageListener::~nsSVGImageListener()
{
}
NS_IMETHODIMP nsSVGImageListener::OnStartDecode(imgIRequest *aRequest)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnStartContainer(imgIRequest *aRequest,
imgIContainer *aImage)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnStartFrame(imgIRequest *aRequest,
gfxIImageFrame *aFrame)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnDataAvailable(imgIRequest *aRequest,
gfxIImageFrame *aFrame,
const nsRect *aRect)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnStopFrame(imgIRequest *aRequest,
gfxIImageFrame *aFrame)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnStopContainer(imgIRequest *aRequest,
imgIContainer *aImage)
{
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::OnStopDecode(imgIRequest *aRequest,
nsresult status,
const PRUnichar *statusArg)
{
if (!mFrame)
return NS_ERROR_FAILURE;
mFrame->mSurfaceInvalid = PR_TRUE;
mFrame->UpdateGraphic(nsISVGPathGeometrySource::UPDATEMASK_ALL);
return NS_OK;
}
NS_IMETHODIMP nsSVGImageListener::FrameChanged(imgIContainer *aContainer,
gfxIImageFrame *newframe,
nsRect * dirtyRect)
{
if (!mFrame)
return NS_ERROR_FAILURE;
mFrame->mSurfaceInvalid = PR_TRUE;
mFrame->UpdateGraphic(nsISVGPathGeometrySource::UPDATEMASK_ALL);
return NS_OK;
}