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-rw-r--r--Xprint/pcl/PclPolygon.c354
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diff --git a/Xprint/pcl/PclPolygon.c b/Xprint/pcl/PclPolygon.c
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+/* $Xorg: PclPolygon.c,v 1.3 2000/08/17 19:48:08 cpqbld Exp $ */
+/*******************************************************************
+**
+** *********************************************************
+** *
+** * File: PclPolygon.c
+** *
+** * Contents:
+** * Draws Polygons and Rectangles for the PCL DDX
+** *
+** * Created: 10/23/95
+** *
+** *********************************************************
+**
+********************************************************************/
+/*
+(c) Copyright 1996 Hewlett-Packard Company
+(c) Copyright 1996 International Business Machines Corp.
+(c) Copyright 1996 Sun Microsystems, Inc.
+(c) Copyright 1996 Novell, Inc.
+(c) Copyright 1996 Digital Equipment Corp.
+(c) Copyright 1996 Fujitsu Limited
+(c) Copyright 1996 Hitachi, Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of the copyright holders shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from said
+copyright holders.
+*/
+
+
+#include "Pcl.h"
+#include "gcstruct.h"
+#include "windowstr.h"
+
+void
+PclPolyRectangle( pDrawable, pGC, nRects, pRects )
+ DrawablePtr pDrawable;
+ GCPtr pGC;
+ int nRects;
+ xRectangle *pRects;
+{
+ char t[80];
+ FILE *outFile;
+ int nbox, i;
+ BoxPtr pbox;
+ xRectangle *drawRects, *r;
+ RegionPtr drawRegion, region;
+ short fudge;
+ int xoffset, yoffset;
+ XpContextPtr pCon;
+ PclContextPrivPtr pConPriv;
+
+ if( PclUpdateDrawableGC( pGC, pDrawable, &outFile ) == FALSE )
+ return;
+
+ pCon = PclGetContextFromWindow( (WindowPtr) pDrawable );
+ pConPriv = (PclContextPrivPtr)
+ pCon->devPrivates[PclContextPrivateIndex].ptr;
+
+ /*
+ * Allocate the storage required to deal with the clipping
+ * regions.
+ */
+ region = miRegionCreate( NULL, 0 );
+ drawRects = (xRectangle *)xalloc( nRects * sizeof( xRectangle ) );
+
+ fudge = 3 * pGC->lineWidth + 1;
+
+ /*
+ * Generate the PCL code to draw the rectangles, by defining them
+ * as a macro which uses the HP-GL/2 rectangle drawing function.
+ */
+ MACRO_START( outFile, pConPriv );
+ SAVE_PCL( outFile, pConPriv, "\033%0B" );
+
+ xoffset = pDrawable->x;
+ yoffset = pDrawable->y;
+
+ for( i = 0, r = drawRects; i < nRects; i++, r++ )
+ {
+ xRectangle rect = pRects[i];
+
+ /* Draw the rectangle */
+ sprintf( t, "PU%d,%d;ER%d,%d;", rect.x + xoffset,
+ rect.y + yoffset, rect.width, rect.height );
+ SAVE_PCL( outFile, pConPriv, t );
+
+ /* Build the bounding box */
+ r->x = MIN( rect.x, rect.x + rect.width ) + xoffset -
+ fudge;
+ r->y = MIN( rect.y, rect.y + rect.height ) + yoffset -
+ fudge;
+ r->width = rect.width + 2 * fudge;
+ r->height = rect.height + 2 * fudge;
+ }
+ SAVE_PCL( outFile, pConPriv, ";\033%0A" ); /* End the macro */
+ MACRO_END( outFile );
+
+ /*
+ * Convert the collection of rectangles to a proper region, then
+ * intersect it with the clip region.
+ */
+ drawRegion = miRectsToRegion( nRects, drawRects, CT_UNSORTED );
+
+ miIntersect( region, drawRegion,
+ ((PclGCPrivPtr)pGC->devPrivates[PclGCPrivateIndex].ptr)
+ ->pCompositeClip );
+
+ /*
+ * For each rectangle in the clip region, set the HP-GL/2 "input
+ * window" and render the set of rectangles to it.
+ */
+ pbox = REGION_RECTS( region );
+ nbox = REGION_NUM_RECTS( region );
+
+ PclSendData(outFile, pConPriv, pbox, nbox, 1.0);
+
+ /*
+ * Clean up the temporary regions
+ */
+ miRegionDestroy( drawRegion );
+ miRegionDestroy( region );
+ xfree( drawRects );
+}
+
+void
+PclFillPolygon( pDrawable, pGC, shape, mode, nPoints, pPoints )
+ DrawablePtr pDrawable;
+ GCPtr pGC;
+ int shape;
+ int mode;
+ int nPoints;
+ DDXPointPtr pPoints;
+{
+ char t[80];
+ FILE *outFile;
+ int nbox, i;
+ BoxPtr pbox;
+ BoxRec box;
+ xRectangle *drawRects, *r;
+ RegionPtr drawRegion, region;
+ int xoffset, yoffset;
+ int xtop, xbottom, yleft, yright;
+ int fillRule;
+ XpContextPtr pCon;
+ PclContextPrivPtr pConPriv;
+ char *command;
+
+ if( PclUpdateDrawableGC( pGC, pDrawable, &outFile ) == FALSE )
+ return;
+
+ pCon = PclGetContextFromWindow( (WindowPtr) pDrawable );
+ pConPriv = (PclContextPrivPtr)
+ pCon->devPrivates[PclContextPrivateIndex].ptr;
+
+ /*
+ * Generate the PCL code to draw the filled polygon, by defining
+ * it as a macro which uses the HP-GL/2 polygon drawing function.
+ */
+ MACRO_START( outFile, pConPriv );
+ SAVE_PCL( outFile, pConPriv, "\033%0B" );
+
+ if( mode == CoordModeOrigin )
+ {
+ xoffset = pDrawable->x;
+ yoffset = pDrawable->y;
+ command = "PA";
+ }
+ else
+ {
+ xoffset = yoffset = 0;
+ command = "PR";
+ }
+
+ /* Begin the polygon */
+ sprintf( t, "PU%d,%d;PM0;%s", pPoints[0].x + xoffset, pPoints[0].y
+ + yoffset, command );
+ SAVE_PCL( outFile, pConPriv, t );
+
+ /* Seed the bounding box */
+ xtop = xbottom = pPoints[0].x + xoffset;
+ yleft = yright = pPoints[0].y + yoffset;
+
+ /* Add the rest of the points to the polygon */
+ for( i = 1; i < nPoints; i++ )
+ {
+ if( i != 1 )
+ SAVE_PCL( outFile, pConPriv, "," );
+
+ sprintf( t, "%d,%d", pPoints[i].x + xoffset, pPoints[i].y +
+ yoffset );
+ SAVE_PCL( outFile, pConPriv, t );
+
+ /* Update the bounding box */
+ xtop = MIN( xtop, pPoints[i].x + xoffset );
+ xbottom = MAX( xbottom, pPoints[i].x + xoffset );
+ yleft = MIN( yleft, pPoints[i].y + yoffset );
+ yright = MAX( yright, pPoints[i].y + yoffset );
+ }
+
+ /* Close the polygon and the macro */
+
+ if( pGC->fillRule == EvenOddRule )
+ fillRule = 0;
+ else
+ fillRule = 1;
+
+ sprintf( t, ";PM2;FP%d;\033%%0A", fillRule );
+ SAVE_PCL( outFile, pConPriv, t );
+ MACRO_END ( outFile );
+
+ /*
+ * Build the bounding region from the bounding box of the polygon
+ */
+ box.x1 = xtop;
+ box.y1 = yleft;
+ box.x2 = xbottom;
+ box.y2 = yright;
+ drawRegion = miRegionCreate( &box, 0 );
+
+ if( mode == CoordModePrevious )
+ miTranslateRegion( drawRegion, pPoints[0].x, pPoints[0].y );
+
+ region = miRegionCreate( NULL, 0 );
+
+ miIntersect( region, drawRegion,
+ ((PclGCPrivPtr)pGC->devPrivates[PclGCPrivateIndex].ptr)
+ ->pCompositeClip );
+
+ /*
+ * For each rectangle in the clip region, set the HP-GL/2 "input
+ * window" and render the polygon to it.
+ */
+ pbox = REGION_RECTS( region );
+ nbox = REGION_NUM_RECTS( region );
+
+ PclSendData(outFile, pConPriv, pbox, nbox, 1.0);
+
+ /*
+ * Clean up the temporary regions
+ */
+ miRegionDestroy( drawRegion );
+ miRegionDestroy( region );
+}
+
+void
+PclPolyFillRect( pDrawable, pGC, nRects, pRects )
+ DrawablePtr pDrawable;
+ GCPtr pGC;
+ int nRects;
+ xRectangle *pRects;
+{
+ char t[80];
+ FILE *outFile;
+ int nbox, i;
+ BoxPtr pbox;
+ xRectangle *drawRects, *r;
+ RegionPtr drawRegion, region;
+ int xoffset, yoffset;
+ short fudge;
+ XpContextPtr pCon;
+ PclContextPrivPtr pConPriv;
+
+ if( PclUpdateDrawableGC( pGC, pDrawable, &outFile ) == FALSE )
+ return;
+
+ pCon = PclGetContextFromWindow( (WindowPtr) pDrawable );
+ pConPriv = (PclContextPrivPtr)
+ pCon->devPrivates[PclContextPrivateIndex].ptr;
+
+ /*
+ * Allocate the storage required to deal with the clipping
+ * regions.
+ */
+ region = miRegionCreate( NULL, 0 );
+ drawRects = (xRectangle *)xalloc( nRects * sizeof( xRectangle ) );
+
+
+ fudge = 3 * pGC->lineWidth + 1;
+
+ /*
+ * Generate the PCL code to draw the filled rectangles, by
+ * defining them as a macro which uses the HP-GL/2 rectangle
+ * drawing function.
+ */
+ MACRO_START( outFile, pConPriv );
+ SAVE_PCL( outFile, pConPriv, "\033%0B" );
+
+ xoffset = pDrawable->x;
+ yoffset = pDrawable->y;
+
+ for( i = 0, r = drawRects; i < nRects; i++, r++ )
+ {
+ xRectangle rect = pRects[i];
+
+ /* Draw the rectangle */
+ sprintf( t, "PU%d,%d;RR%d,%d;", rect.x + xoffset, rect.y +
+ yoffset, rect.width, rect.height );
+ SAVE_PCL( outFile, pConPriv, t );
+
+ /* Build the bounding box */
+ r->x = MIN( rect.x, rect.x + rect.width ) + xoffset - fudge;
+ r->y = MIN( rect.y, rect.y + rect.height ) + yoffset -
+ fudge;
+ r->width = rect.width + 2 * fudge;
+ r->height = rect.height + 2 * fudge;
+ }
+ SAVE_PCL( outFile, pConPriv, ";\033%0A" ); /* End the macro */
+ MACRO_END( outFile );
+
+ /*
+ * Convert the collection of rectangles to a proper region, then
+ * intersect it with the clip region.
+ */
+ drawRegion = miRectsToRegion( nRects, drawRects, CT_UNSORTED );
+ miIntersect( region, drawRegion,
+ ((PclGCPrivPtr)pGC->devPrivates[PclGCPrivateIndex].ptr)
+ ->pCompositeClip );
+
+ /*
+ * For each rectangle in the clip region, set the HP-GL/2 "input
+ * window" and render the set of rectangles to it.
+ */
+ pbox = REGION_RECTS( region );
+ nbox = REGION_NUM_RECTS( region );
+
+ PclSendData(outFile, pConPriv, pbox, nbox, 1.0);
+
+ /*
+ * Clean up the temporary regions
+ */
+ miRegionDestroy( drawRegion );
+ miRegionDestroy( region );
+ xfree( drawRects );
+}
+
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