void
gfxContext::UpdateSurfaceClip()
{
NewPath();
// we paint an empty rectangle to ensure the clip is propagated to
// the destination surface
SetDeviceColor(gfxRGBA(0,0,0,0));
Rectangle(gfxRect(0,1,1,0));
Fill();
}
/*--- these functions are called only when print ----*/
void BuildImage(char *pImage,int XPos,int YPos,
int Width,int Height,int Slant,int RotateAngle,int Color)
{
LONG ImgByteOff,ThisLine;
int ImgBytesPerLine,x1,x2,y1,y2;
int bit,oldx,y,OX,OY;
LPDC lpdc=&SysDc;
OX=x1=XPos; OY=y2=YPos;
YPos-=Height-1; y1=YPos;
x2=XPos+Width-1;
/*----------------
if((RotateAngle%360)!=0)
{
SetDeviceColor(Color,0);
return;
}
-----------------------*/
if (!PrintingSign||!GlobalRorate90)
{
if ((x1>=lpdc->right)||(x2<lpdc->left)) return;
if ((y1>=lpdc->bottom)||(y2<lpdc->top)) return;
if (x1<lpdc->left) x1=lpdc->left;
if (x2>=lpdc->right) x2=lpdc->right-1;
if(y1<lpdc->top) y1=lpdc->top;
if(y2>=lpdc->bottom) y2=lpdc->bottom-1;
}
Slant%=360;
SetDeviceColor(Color,1);
XPos=x1;
ImgBytesPerLine=(Width+7)/8;
ThisLine=(y1-YPos)*ImgBytesPerLine;
for(y=y1;y<=y2;y++)
{
ImgByteOff = ThisLine;
x1=XPos;
/*---- print one line ----*/
while(x1<=x2)
{
oldx=x1;
bit = (x1-XPos) & 7;
while( x1<=x2 && (dot1tab[bit]&pImage[ImgByteOff]) )
{
x1++;
bit++;
if(bit==8) { bit=0; ImgByteOff++; }
}
if(x1>oldx)
{ // line(oldx,y,x1-1,y)
#define SLANT_DEBUG
#ifdef SLANT_DEBUG
int sx=oldx,ex=x1-1,yy;
if(Slant)
{
PointSkew(&sx,&yy,sx,y,OX,OY,-Slant);
//PointSkew(&sx,&yy,sx,y,OX,OY,-Slant);
ex=sx+(x1-1-oldx);
}
printer->printScanLine(sx,ex,y,lpdc);
#else
printer->printScanLine(oldx,x1-1,y,lpdc);
#endif // SLANT_DEBUG
}
x1++;
if( ((x1-XPos)&7)==0 ) ImgByteOff++;
}
ThisLine+=ImgBytesPerLine; // point to next line
} /*--- y ---*/
}