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