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fixed double buffer stuff

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dcone%netscape.com 1998-09-28 17:02:32 +00:00
parent 31dd51f1e7
commit 72b9b9f720
1 changed files with 44 additions and 29 deletions
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73
gfx/src/mac/nsRenderingContextMac.cpp
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@ -34,12 +34,14 @@ DrawString(); DrawText for cstrings
#include <math.h>
#include "nspr.h"
#include <QDOffscreen.h>
#include <windows.h>
#include "nsRegionMac.h"
#include "nsGfxCIID.h"
#include <Fonts.h>
//#define NO_CLIP
/*
Some Implementation Notes
@ -111,8 +113,11 @@ nsRenderingContextMac :: nsRenderingContextMac()
nsRenderingContextMac :: ~nsRenderingContextMac()
{
::SetPort(mRenderingSurface);
::SetOrigin(0,0);
if(mRenderingSurface)
{
::SetPort(mRenderingSurface);
::SetOrigin(0,0);
}
if (mClipRegion)
{
@ -177,18 +182,16 @@ PRInt32 offx,offy;
//------------------------------------------------------------------------
// this drawing surface init should only be called for an offscreen drawing surface, without and offset or clip region
nsresult nsRenderingContextMac :: Init(nsIDeviceContext* aContext,
nsDrawingSurface aSurface)
{
//PRInt32 offx,offy;
mContext = aContext;
NS_IF_ADDREF(mContext);
mRenderingSurface = (nsDrawingSurfaceMac) aSurface;
//offx = (PRInt32)aSurface->GetNativeData(NS_NATIVE_OFFSETX);
//offy = (PRInt32)aSurface->GetNativeData(NS_NATIVE_OFFSETY);
return (CommonInit());
}
@ -593,14 +596,20 @@ void nsRenderingContextMac :: DestroyDrawingSurface(nsDrawingSurface aDS)
{
GWorldPtr theoff;
theoff = (GWorldPtr)aDS;
DisposeGWorld(theoff);
if(aDS)
{
theoff = (GWorldPtr)aDS;
DisposeGWorld(theoff);
}
if (mRenderingSurface == (GrafPtr)theoff)
mRenderingSurface = nsnull;
theoff = nsnull;
mRenderingSurface = mFrontBuffer; // point back at the front surface
//if (mRenderingSurface == (GrafPtr)theoff)
//mRenderingSurface = nsnull;
DisposeRgn(mMainRegion);
mMainRegion = nsnull;
//DisposeRgn(mMainRegion);
//mMainRegion = nsnull;
}
//------------------------------------------------------------------------
@ -986,24 +995,30 @@ nsRect tr;
nsresult nsRenderingContextMac :: CopyOffScreenBits(nsRect &aBounds)
{
/*
PixMapHandle offscreenPM;
PixMapPtr srcpix;
PixMapPtr destpix;
RGBColor rgbblack = {0x0000,0x0000,0x0000};
RGBColor rgbwhite = {0xFFFF,0xFFFF,0xFFFF};
Rect srcrect,dstrect;
::SetRect(&srcrect,0,0,aBounds.width,aBounds.height);
::SetRect(&dstrect,0,0,aBounds.width,aBounds.height);
destpix = *((CGrafPtr)mFrontBuffer)->portPixMap;
offscreenPM = ::GetGWorldPixMap((GWorldPtr)mRenderingSurface);
LockPixels(offscreenPM);
//srcpix = *offscreenPM;
srcpix = (PixMapPtr)*offscreenPM;
::RGBForeColor(&rgbblack);
::RGBBackColor(&rgbwhite);
::CopyBits((BitMap*)srcpix,(BitMap*)destpix,&srcrect,&dstrect,ditherCopy,0L);
UnlockPixels(offscreenPM);
::XSetClipMask(mFrontBuffer->display,
mFrontBuffer->gc,
None);
::XCopyArea(mRenderingSurface->display,
mRenderingSurface->drawable,
mFrontBuffer->drawable,
mFrontBuffer->gc,
aBounds.x, aBounds.y, aBounds.width, aBounds.height, 0, 0);
if (nsnull != mRegion)
::XSetRegion(mRenderingSurface->display,
mRenderingSurface->gc,
mRegion);
*/
return NS_OK;
}