mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-03-06 00:31:27 +00:00
fixed blender to work with viewer, cleaned up code, now works at most bit depths.
r=rods
This commit is contained in:
dcone%netscape.com
parent
755ea01511
commit
bc84a3e1fa
@ -26,9 +26,10 @@
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static NS_DEFINE_IID(kIBlenderIID, NS_IBLENDER_IID);
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/** --------------------------------------------------------------------------
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* General constructor for a nsBlender object
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*/
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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nsBlender :: nsBlender()
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{
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NS_INIT_REFCNT();
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@ -48,6 +49,10 @@ nsBlender :: nsBlender()
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mSecondSrcSpan = 0;
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}
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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nsBlender::~nsBlender()
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{
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NS_IF_RELEASE(mContext);
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@ -58,6 +63,10 @@ NS_IMPL_ISUPPORTS(nsBlender, kIBlenderIID);
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//------------------------------------------------------------
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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NS_IMETHODIMP
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nsBlender::Init(nsIDeviceContext *aContext)
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{
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@ -101,11 +110,13 @@ nsBlender::Init(nsIDeviceContext *aContext)
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mBlueShift = 3;
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#endif
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return NS_OK;
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}
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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NS_IMETHODIMP
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nsBlender::Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight,nsDrawingSurface aSrc,
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nsDrawingSurface aDst, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity,
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@ -117,8 +128,6 @@ nsPixelFormat pixformat;
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nsIDrawingSurface *SrcSurf, *DstSurf, *SecondSrcSurf;
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SrcSurf = (nsIDrawingSurface *)aSrc;
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DstSurf = (nsIDrawingSurface *)aDst;
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SecondSrcSurf = (nsIDrawingSurface *)aSecondSrc;
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@ -126,7 +135,7 @@ nsIDrawingSurface *SrcSurf, *DstSurf, *SecondSrcSurf;
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mSrcBytes = mSecondSrcBytes = mDestBytes = nsnull;
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if (NS_OK == SrcSurf->Lock(aSX, aSY, aWidth, aHeight, (void **)&mSrcBytes, &mSrcRowBytes, &mSrcSpan, NS_LOCK_SURFACE_READ_ONLY)){
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if (NS_OK == DstSurf->Lock(aSX, aSY, aWidth, aHeight, (void **)&mDestBytes, &mDestRowBytes, &mDestSpan, 0)){
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if (NS_OK == DstSurf->Lock(aDX, aDY, aWidth, aHeight, (void **)&mDestBytes, &mDestRowBytes, &mDestSpan, 0)){
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if (SecondSrcSurf)
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SecondSrcSurf->Lock(aSX, aSY, aWidth, aHeight, (void **)&mSecondSrcBytes, &mSecondSrcRowBytes, &mSecondSrcSpan, NS_LOCK_SURFACE_READ_ONLY);
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@ -156,34 +165,49 @@ nsIDrawingSurface *SrcSurf, *DstSurf, *SecondSrcSurf;
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return result;
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}
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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NS_IMETHODIMP nsBlender::Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight, nsIRenderingContext *aSrc,
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nsIRenderingContext *aDest, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity,
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nsIRenderingContext *aSecondSrc, nscolor aSrcBackColor,
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nscolor aSecondSrcBackColor)
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{
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nsresult result = NS_ERROR_FAILURE;
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nsPoint srcloc, maskloc;
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nsPixelFormat pixformat;
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nsDrawingSurface srcsurf;
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nsresult result = NS_ERROR_FAILURE;
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PRUint32 width,height;
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nsPixelFormat pixformat;
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nsDrawingSurface srcsurf;
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mSrcBytes = mSecondSrcBytes = mDestBytes = nsnull;
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aSrc->GetDrawingSurface(&srcsurf);
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((nsIDrawingSurface *)srcsurf)->GetDimensions(&width,&height);
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if(aSY > (PRInt32)height)
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return NS_OK;
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if ((aSY+aHeight) > (PRInt32)height)
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aHeight = aHeight-aSY;
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if (NS_OK == aSrc->LockDrawingSurface(aSX, aSY, aWidth, aHeight, (void **)&mSrcBytes, &mSrcRowBytes, &mSrcSpan, NS_LOCK_SURFACE_READ_ONLY))
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{
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if (NS_OK == aDest->LockDrawingSurface(aSX, aSY, aWidth, aHeight, (void **)&mDestBytes, &mDestRowBytes, &mDestSpan, 0))
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if (NS_OK == aDest->LockDrawingSurface(aDX, aDY, aWidth, aHeight, (void **)&mDestBytes, &mDestRowBytes, &mDestSpan, 0))
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{
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if (aSecondSrc)
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aSecondSrc->LockDrawingSurface(aSX, aSY, aWidth, aHeight, (void **)&mSecondSrcBytes, &mSecondSrcRowBytes, &mSecondSrcSpan, NS_LOCK_SURFACE_READ_ONLY);
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srcloc.x = 0;
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srcloc.y = 0;
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maskloc.x = 0;
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maskloc.y = 0;
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aSrc->GetDrawingSurface(&srcsurf);
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((nsIDrawingSurface *)srcsurf)->GetPixelFormat(&pixformat);
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((nsIDrawingSurface *)srcsurf)->GetDimensions(&width,&height);
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if(aHeight > (PRInt32)height)
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aHeight = height;
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if (aSY > (PRInt32)height)
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return NS_OK;
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result = Blend(mSrcBytes, mSrcRowBytes, mSrcSpan,
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mDestBytes, mDestRowBytes, mDestSpan,
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mSecondSrcBytes, mSecondSrcRowBytes, mSecondSrcSpan,
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@ -195,13 +219,15 @@ NS_IMETHODIMP nsBlender::Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32
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if (aSecondSrc)
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aSecondSrc->UnlockDrawingSurface();
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}
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aSrc->UnlockDrawingSurface();
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}
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return result;
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}
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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nsresult nsBlender::Blend(PRUint8 *aSrcBits, PRInt32 aSrcStride, PRInt32 aSrcBytes,
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PRUint8 *aDestBits, PRInt32 aDestStride, PRInt32 aDestBytes,
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PRUint8 *aSecondSrcBits, PRInt32 aSecondSrcStride, PRInt32 aSecondSrcBytes,
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@ -213,8 +239,7 @@ PRUint32 depth;
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mContext->GetDepth(depth);
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// now do the blend
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switch (depth)
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{
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switch (depth){
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case 32:
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Do32Blend(aAlpha, aLines, aSrcBytes, aSrcBits, aDestBits,
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aSecondSrcBits, aSrcStride, aDestStride, nsHighQual,
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@ -252,24 +277,18 @@ PRUint32 depth;
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}
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/** --------------------------------------------------------------------------
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* Blend two 32 bit image arrays
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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void
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nsBlender::Do32Blend(PRUint8 aBlendVal,PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aSecondSImage,PRInt32 aSLSpan,PRInt32 aDLSpan,nsBlendQuality aBlendQuality,nscolor aSrcBackColor, nscolor aSecondSrcBackColor, nsPixelFormat &aPixFormat)
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{
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PRUint8 *d1,*d2,*s1,*s2;
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PRUint8 *d1,*d2,*s1,*s2,*ss1,*ss2;
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PRUint32 val1,val2;
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PRInt32 x,y,temp1,numlines,xinc,yinc;
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PRInt32 x,y,temp1,numlines,numPixels,xinc,yinc;
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PRUint32 srccolor,secsrccolor,i;
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PRUint32 pixSColor,pixSSColor;
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aBlendVal = (aBlendVal*255)/100;
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val2 = aBlendVal;
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@ -283,117 +302,80 @@ PRInt32 x,y,temp1,numlines,xinc,yinc;
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xinc = 1;
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yinc = 1;
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for (y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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if (nsnull != aSecondSImage){
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ss1 = (PRUint8 *)aSecondSImage;
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srccolor = ((NS_GET_R(aSrcBackColor)<<16)) | ((NS_GET_G(aSrcBackColor) <<8)) | ((NS_GET_B(aSrcBackColor)));
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secsrccolor = ((NS_GET_R(aSecondSrcBackColor)<<16)) | ((NS_GET_G(aSecondSrcBackColor) <<8)) | ((NS_GET_B(aSecondSrcBackColor)));
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}else {
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ss1 = nsnull;
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}
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if(nsnull == ss1){
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for(y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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for(x = 0; x < aNumbytes; x++){
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255){
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temp1 = 255;
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}
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for (x = 0; x < aNumbytes; x++) {
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temp1 = (((*d2) * val1) + ((*s2) * val2)) >> 8;
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*d2 = (PRUint8)temp1;
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if (temp1 > 255)
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temp1 = 255;
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d2++;
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s2++;
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}
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*d2 = (PRUint8)temp1;
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d2++;
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s2++;
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s1 += aSLSpan;
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d1 += aDLSpan;
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}
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} else {
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numPixels = aNumbytes/4;
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for(y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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ss2=ss1;
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for(x=0;x<numPixels;x++){
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pixSColor = *((PRUint32*)(s2))&0xFFFFFF;
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pixSSColor = *((PRUint32*)(ss2))&0xFFFFFF ;
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s1 += aSLSpan;
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d1 += aDLSpan;
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if((pixSColor!=srccolor) || (pixSSColor!=secsrccolor)) {
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for(i=0;i<4;i++){
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255){
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temp1 = 255;
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}
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*d2 = (PRUint8)temp1;
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d2++;
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s2++;
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ss2++;
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}
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} else {
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d2+=4;
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s2+=4;
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ss2+=4;
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}
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}
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s1 += aSLSpan;
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d1 += aDLSpan;
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ss1+= aDLSpan;
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}
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}
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}
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/** --------------------------------------------------------------------------
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* Blend two 24 bit image arrays using an 8 bit alpha mask
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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*/
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void
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nsBlender::Do24BlendWithMask(PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aMImage,PRInt32 aSLSpan,PRInt32 aDLSpan,PRInt32 aMLSpan,nsBlendQuality aBlendQuality)
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{
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PRUint8 *d1,*d2,*s1,*s2,*m1,*m2;
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PRInt32 x,y;
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PRUint32 val1,val2;
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PRUint32 temp1,numlines,xinc,yinc;
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PRInt32 sspan,dspan,mspan;
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sspan = aSLSpan;
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dspan = aDLSpan;
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mspan = aMLSpan;
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// now go thru the image and blend (remember, its bottom upwards)
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s1 = aSImage;
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d1 = aDImage;
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m1 = aMImage;
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numlines = aNumlines;
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xinc = 1;
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yinc = 1;
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for (y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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m2 = m1;
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for(x=0;x<aNumbytes;x++){
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val1 = (*m2);
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val2 = 255-val1;
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255)
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temp1 = 255;
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*d2 = (unsigned char)temp1;
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d2++;
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s2++;
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255)
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temp1 = 255;
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*d2 = (unsigned char)temp1;
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d2++;
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s2++;
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255)
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temp1 = 255;
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*d2 = (unsigned char)temp1;
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d2++;
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s2++;
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m2++;
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}
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s1 += sspan;
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d1 += dspan;
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m1 += mspan;
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}
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}
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/** --------------------------------------------------------------------------
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* Blend two 24 bit image arrays using a passed in blend value
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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/** ---------------------------------------------------
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* See documentation in nsBlender.h
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* @update 2/25/00 dwc
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*/
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void
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nsBlender::Do24Blend(PRUint8 aBlendVal,PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aSecondSImage,PRInt32 aSLSpan,PRInt32 aDLSpan,nsBlendQuality aBlendQuality,nscolor aSrcBackColor, nscolor aSecondSrcBackColor, nsPixelFormat &aPixFormat)
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{
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PRUint8 *d1,*d2,*s1,*s2,*ss1;
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PRUint8 *d1,*d2,*s1,*s2,*ss1,*ss2;
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PRUint32 val1,val2;
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PRInt32 x,y,temp1,numlines,xinc,yinc;
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PRUint16 srccolor,secsrccolor;
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PRInt32 x,y,temp1,numlines,numPixels,xinc,yinc;
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PRUint32 srccolor,secsrccolor,i;
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PRUint32 pixSColor,pixSSColor;
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aBlendVal = (aBlendVal*255)/100;
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val2 = aBlendVal;
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@ -407,35 +389,64 @@ PRUint16 srccolor,secsrccolor;
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xinc = 1;
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yinc = 1;
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if (nsnull != aSecondSImage)
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{
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if (nsnull != aSecondSImage){
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ss1 = (PRUint8 *)aSecondSImage;
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srccolor = ((NS_GET_R(aSrcBackColor) & 0xf8) << 8) |
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((NS_GET_G(aSrcBackColor) & 0xfc) << 3) |
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((NS_GET_B(aSrcBackColor) & 0xf8) >> 3);
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secsrccolor = ((NS_GET_R(aSecondSrcBackColor) & 0xf8) << 8) |
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((NS_GET_G(aSecondSrcBackColor) & 0xfc) << 3) |
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((NS_GET_B(aSecondSrcBackColor) & 0xf8) >> 3);
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}
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else
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srccolor = ((NS_GET_R(aSrcBackColor)<<16)) | ((NS_GET_G(aSrcBackColor) <<8)) | ((NS_GET_B(aSrcBackColor)));
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secsrccolor = ((NS_GET_R(aSecondSrcBackColor)<<16)) | ((NS_GET_G(aSecondSrcBackColor) <<8)) | ((NS_GET_B(aSecondSrcBackColor)));
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}else {
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ss1 = nsnull;
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}
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if(nsnull == ss1){
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for(y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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for(x = 0; x < aNumbytes; x++){
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255){
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temp1 = 255;
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}
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for(y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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*d2 = (PRUint8)temp1;
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for(x = 0; x < aNumbytes; x++){
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temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
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if(temp1>255)
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temp1 = 255;
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*d2 = (PRUint8)temp1;
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d2++;
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s2++;
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}
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d2++;
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s2++;
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s1 += aSLSpan;
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d1 += aDLSpan;
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}
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} else {
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numPixels = aNumbytes/3;
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for(y = 0; y < aNumlines; y++){
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s2 = s1;
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d2 = d1;
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ss2=ss1;
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for(x=0;x<numPixels;x++){
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pixSColor = *((PRUint32*)(s2))&0xFFFFFF;
|
||||
pixSSColor = *((PRUint32*)(ss2))&0xFFFFFF ;
|
||||
|
||||
s1 += aSLSpan;
|
||||
d1 += aDLSpan;
|
||||
if((pixSColor!=srccolor) || (pixSSColor!=secsrccolor)) {
|
||||
for(i=0;i<3;i++){
|
||||
temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
|
||||
if(temp1>255){
|
||||
temp1 = 255;
|
||||
}
|
||||
*d2 = (PRUint8)temp1;
|
||||
d2++;
|
||||
s2++;
|
||||
ss2++;
|
||||
}
|
||||
} else {
|
||||
d2+=3;
|
||||
s2+=3;
|
||||
ss2+=3;
|
||||
}
|
||||
}
|
||||
s1 += aSLSpan;
|
||||
d1 += aDLSpan;
|
||||
ss1+= aDLSpan;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -448,17 +459,9 @@ PRUint16 srccolor,secsrccolor;
|
||||
#define BLUE16(x) (((x) & mBlueMask) << mBlueShift)
|
||||
|
||||
|
||||
/** --------------------------------------------------------------------------
|
||||
* Blend two 16 bit image arrays using a passed in blend value
|
||||
* @param aNumlines Number of lines to blend
|
||||
* @param aNumberBytes Number of bytes per line to blend
|
||||
* @param aSImage Pointer to beginning of the source bytes
|
||||
* @param aDImage Pointer to beginning of the destination bytes
|
||||
* @param aMImage Pointer to beginning of the mask bytes
|
||||
* @param aSLSpan number of bytes per line for the source bytes
|
||||
* @param aDLSpan number of bytes per line for the destination bytes
|
||||
* @param aMLSpan number of bytes per line for the Mask bytes
|
||||
* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
|
||||
/** ---------------------------------------------------
|
||||
* See documentation in nsBlender.h
|
||||
* @update 2/25/00 dwc
|
||||
*/
|
||||
void
|
||||
nsBlender::Do16Blend(PRUint8 aBlendVal,PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aSecondSImage,PRInt32 aSLSpan,PRInt32 aDLSpan,nsBlendQuality aBlendQuality,nscolor aSrcBackColor, nscolor aSecondSrcBackColor, nsPixelFormat &aPixFormat)
|
||||
@ -572,77 +575,14 @@ PRInt16 dspan,sspan,span;
|
||||
}
|
||||
}
|
||||
|
||||
/** --------------------------------------------------------------------------
|
||||
* Blend two 8 bit image arrays using an 8 bit alpha mask
|
||||
* @param aNumlines Number of lines to blend
|
||||
* @param aNumberBytes Number of bytes per line to blend
|
||||
* @param aSImage Pointer to beginning of the source bytes
|
||||
* @param aDImage Pointer to beginning of the destination bytes
|
||||
* @param aMImage Pointer to beginning of the mask bytes
|
||||
* @param aSLSpan number of bytes per line for the source bytes
|
||||
* @param aDLSpan number of bytes per line for the destination bytes
|
||||
* @param aMLSpan number of bytes per line for the Mask bytes
|
||||
* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
|
||||
*/
|
||||
void
|
||||
nsBlender::Do8BlendWithMask(PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aMImage,PRInt32 aSLSpan,PRInt32 aDLSpan,PRInt32 aMLSpan,nsBlendQuality aBlendQuality)
|
||||
{
|
||||
PRUint8 *d1,*d2,*s1,*s2,*m1,*m2;
|
||||
PRInt32 x,y;
|
||||
PRUint32 val1,val2,temp1,numlines,xinc,yinc;
|
||||
PRInt32 sspan,dspan,mspan;
|
||||
|
||||
sspan = aSLSpan;
|
||||
dspan = aDLSpan;
|
||||
mspan = aMLSpan;
|
||||
|
||||
// now go thru the image and blend (remember, its bottom upwards)
|
||||
s1 = aSImage;
|
||||
d1 = aDImage;
|
||||
m1 = aMImage;
|
||||
|
||||
numlines = aNumlines;
|
||||
xinc = 1;
|
||||
yinc = 1;
|
||||
|
||||
for (y = 0; y < aNumlines; y++){
|
||||
s2 = s1;
|
||||
d2 = d1;
|
||||
m2 = m1;
|
||||
|
||||
for(x=0;x<aNumbytes;x++){
|
||||
val1 = (*m2);
|
||||
val2 = 255-val1;
|
||||
|
||||
temp1 = (((*d2)*val1)+((*s2)*val2))>>8;
|
||||
if(temp1>255)
|
||||
temp1 = 255;
|
||||
*d2 = (unsigned char)temp1;
|
||||
d2++;
|
||||
s2++;
|
||||
m2++;
|
||||
}
|
||||
s1 += sspan;
|
||||
d1 += dspan;
|
||||
m1 += mspan;
|
||||
}
|
||||
}
|
||||
|
||||
//------------------------------------------------------------
|
||||
|
||||
extern void inv_colormap(PRInt16 colors,PRUint8 *aCMap,PRInt16 bits,PRUint32 *dist_buf,PRUint8 *aRGBMap );
|
||||
|
||||
/** --------------------------------------------------------------------------
|
||||
* Blend two 8 bit image arrays using a passed in blend value
|
||||
* @param aNumlines Number of lines to blend
|
||||
* @param aNumberBytes Number of bytes per line to blend
|
||||
* @param aSImage Pointer to beginning of the source bytes
|
||||
* @param aDImage Pointer to beginning of the destination bytes
|
||||
* @param aMImage Pointer to beginning of the mask bytes
|
||||
* @param aSLSpan number of bytes per line for the source bytes
|
||||
* @param aDLSpan number of bytes per line for the destination bytes
|
||||
* @param aMLSpan number of bytes per line for the Mask bytes
|
||||
* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
|
||||
/** ---------------------------------------------------
|
||||
* See documentation in nsBlender.h
|
||||
* @update 2/25/00 dwc
|
||||
*/
|
||||
void
|
||||
nsBlender::Do8Blend(PRUint8 aBlendVal,PRInt32 aNumlines,PRInt32 aNumbytes,PRUint8 *aSImage,PRUint8 *aDImage,PRUint8 *aSecondSImage,PRInt32 aSLSpan,PRInt32 aDLSpan,IL_ColorSpace *aColorMap,nsBlendQuality aBlendQuality,nscolor aSrcBackColor, nscolor aSecondSrcBackColor)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user