예제 #1
0
파일: kdrive.c 프로젝트: dikerex/theqvd
void
KdSetRootClip (ScreenPtr pScreen, BOOL enable)
{
#ifndef FB_OLD_SCREEN
    WindowPtr	pWin = WindowTable[pScreen->myNum];
    WindowPtr	pChild;
    Bool	WasViewable;
    Bool	anyMarked;
    RegionPtr	pOldClip, bsExposed;
#ifdef DO_SAVE_UNDERS
    Bool	dosave = FALSE;
#endif
    WindowPtr   pLayerWin;
    BoxRec	box;

    if (!pWin)
	return;
    WasViewable = (Bool)(pWin->viewable);
    if (WasViewable)
    {
	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
	{
	    (void) (*pScreen->MarkOverlappedWindows)(pChild,
						     pChild,
						     &pLayerWin);
	}
	(*pScreen->MarkWindow) (pWin);
	anyMarked = TRUE;
	if (pWin->valdata)
	{
	    if (HasBorder (pWin))
	    {
		RegionPtr	borderVisible;

		borderVisible = REGION_CREATE(pScreen, NullBox, 1);
		REGION_SUBTRACT(pScreen, borderVisible,
				&pWin->borderClip, &pWin->winSize);
		pWin->valdata->before.borderVisible = borderVisible;
	    }
	    pWin->valdata->before.resized = TRUE;
	}
    }

    if (enable)
    {
	box.x1 = 0;
	box.y1 = 0;
	box.x2 = pScreen->width;
	box.y2 = pScreen->height;
	pWin->drawable.width = pScreen->width;
	pWin->drawable.height = pScreen->height;
	REGION_INIT (pScreen, &pWin->winSize, &box, 1);
	REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
	REGION_RESET(pScreen, &pWin->borderClip, &box);
	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    else
    {
	REGION_EMPTY(pScreen, &pWin->borderClip);
	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    
    ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
    
    if (WasViewable)
    {
	if (pWin->backStorage)
	{
	    pOldClip = REGION_CREATE(pScreen, NullBox, 1);
	    REGION_COPY(pScreen, pOldClip, &pWin->clipList);
	}

	if (pWin->firstChild)
	{
	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
							   pWin->firstChild,
							   (WindowPtr *)NULL);
	}
	else
	{
	    (*pScreen->MarkWindow) (pWin);
	    anyMarked = TRUE;
	}

#ifdef DO_SAVE_UNDERS
	if (DO_SAVE_UNDERS(pWin))
	{
	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
	}
#endif /* DO_SAVE_UNDERS */

	if (anyMarked)
	    (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
    }

    if (pWin->backStorage &&
	((pWin->backingStore == Always) || WasViewable))
    {
	if (!WasViewable)
	    pOldClip = &pWin->clipList; /* a convenient empty region */
	bsExposed = (*pScreen->TranslateBackingStore)
			     (pWin, 0, 0, pOldClip,
			      pWin->drawable.x, pWin->drawable.y);
	if (WasViewable)
	    REGION_DESTROY(pScreen, pOldClip);
	if (bsExposed)
	{
	    RegionPtr	valExposed = NullRegion;
    
	    if (pWin->valdata)
		valExposed = &pWin->valdata->after.exposed;
	    (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
	    if (valExposed)
		REGION_EMPTY(pScreen, valExposed);
	    REGION_DESTROY(pScreen, bsExposed);
	}
    }
    if (WasViewable)
    {
	if (anyMarked)
	    (*pScreen->HandleExposures)(pWin);
#ifdef DO_SAVE_UNDERS
	if (dosave)
	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
#endif /* DO_SAVE_UNDERS */
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
    }
    if (pWin->realized)
	WindowsRestructured ();
#endif	/* !FB_OLD_SCREEN */
}
static void
PclDoArc(
     DrawablePtr pDrawable,
     GCPtr pGC,
     int nArcs,
     xArc *pArcs,
     void (*DoIt)(FILE *, PclContextPrivPtr, double, double, xArc))
{
    char t[80];
    FILE *outFile;
    int nbox, i;
    BoxPtr pbox;
    BoxRec r;
    RegionPtr drawRegion, region, transClip;
    short fudge;
    int xoffset, yoffset;
    XpContextPtr pCon;
    PclContextPrivPtr pConPriv;
    xRectangle repro;
    
    if( PclUpdateDrawableGC( pGC, pDrawable, &outFile ) == FALSE )
      return;
    
    fudge = 3 * pGC->lineWidth;

    pCon = PclGetContextFromWindow( (WindowPtr) pDrawable );
    pConPriv = (PclContextPrivPtr)
	dixLookupPrivate(&pCon->devPrivates, PclContextPrivateKey);
    XpGetReproductionArea( pCon, &repro );
    
    /* 
     * Generate the PCL code to draw the collection of arcs, by
     * defining it as a macro which uses the HP-GL/2 arc drawing
     * function.
     */

    xoffset = pDrawable->x;
    yoffset = pDrawable->y;
    
    for( i = 0; i < nArcs; i++ )
      {
	  xArc Arc = pArcs[i];
	  double b, X, Y, ratio;
	  double angle1;

	  MACRO_START( outFile, pConPriv );
	  SAVE_PCL( outFile, pConPriv, "\033%0B" );

	  /* Calculate the start of the arc */
	  if( ( Arc.angle1 / 64 ) % 360 == 90 )
	    {
		X = 0;
		Y = -Arc.height / 2.0;
	    }
	  else if( ( Arc.angle1 / 64 ) % 360 == 270 )
	    {
		X = 0;
		Y = Arc.height / 2.0;
	    }
	  else
	    {
		/* Convert the angle to radians */
		angle1 = ( Arc.angle1 / 64.0 ) * 3.141592654 / 180.0;
	  
		b = (Arc.height / 2.0);
		X = b * cos( angle1 );
		Y = -b * sin( angle1 );
	    }
	  
	  /* Change the coordinate system to scale the ellipse */
	  ratio = (double)Arc.height / (double)Arc.width;
	  
	  sprintf( t, "SC%.2f,%.2f,%d,%d;", 
		  (repro.x - Arc.width / 2 - xoffset - Arc.x) * ratio,
		  (repro.x - Arc.width / 2 - xoffset - Arc.x +
		   repro.width) * ratio,
		  repro.y - Arc.height / 2 - yoffset - Arc.y + repro.height,
		  repro.y - Arc.height / 2 - yoffset - Arc.y);
	  SAVE_PCL( outFile, pConPriv, t );

	  DoIt( outFile, pConPriv, X, Y, Arc );
	  
	  /* Build the bounding box */
	  r.x1 = -Arc.width / 2 - fudge;
	  r.y1 = -Arc.height / 2 - fudge;
	  r.x2 = Arc.width / 2 + fudge;
	  r.y2 = Arc.height / 2 + fudge;
	  drawRegion = REGION_CREATE( pGC->pScreen, &r, 0 );

	  SAVE_PCL( outFile, pConPriv, "\033%0A" );
	  MACRO_END( outFile );
    
	  /*
	   * Intersect the bounding box with the clip region.
	   */
	  region = REGION_CREATE( pGC->pScreen, NULL, 0 );
    	  transClip = REGION_CREATE( pGC->pScreen, NULL, 0 );
	  REGION_COPY( pGC->pScreen, transClip, pGC->pCompositeClip );
	  REGION_TRANSLATE( pGC->pScreen, transClip,
			    -(xoffset + Arc.x + Arc.width / 2),
			    -(yoffset + Arc.y + Arc.height / 2) );
	  REGION_INTERSECT( pGC->pScreen, region, drawRegion, transClip );

	  /*
	   * For each rectangle in the clip region, set the HP-GL/2 "input
	   * window" and render the collection of arcs to it.
	   */
	  pbox = REGION_RECTS( region );
	  nbox = REGION_NUM_RECTS( region );
    
	  PclSendData(outFile, pConPriv, pbox, nbox, ratio);

	  /*
	   * Restore the coordinate system
	   */
	  sprintf( t, "\033%%0BSC%d,%d,%d,%d;\033%%0A", repro.x, 
		  repro.x + repro.width, repro.y + repro.height, 
		  repro.y );
	  SEND_PCL( outFile, t );
	  
	  /*
	   * Clean up the temporary regions
	   */
	  REGION_DESTROY( pGC->pScreen, drawRegion );
	  REGION_DESTROY( pGC->pScreen, region );
	  REGION_DESTROY( pGC->pScreen, transClip );
      }
}