403 lines
10 KiB
C
403 lines
10 KiB
C
/*
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* Metafile driver graphics functions
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*
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* Copyright 1993, 1994 Alexandre Julliard
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "gdi.h"
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#include "region.h"
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#include "metafiledrv.h"
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#include "heap.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(metafile);
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/**********************************************************************
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* MFDRV_MoveTo
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*/
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BOOL
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MFDRV_MoveTo(DC *dc, INT x, INT y)
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{
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return MFDRV_MetaParam2(dc,META_MOVETO,x,y);
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}
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/***********************************************************************
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* MFDRV_LineTo
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*/
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BOOL
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MFDRV_LineTo( DC *dc, INT x, INT y )
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{
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return MFDRV_MetaParam2(dc, META_LINETO, x, y);
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}
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/***********************************************************************
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* MFDRV_Arc
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*/
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BOOL
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MFDRV_Arc( DC *dc, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dc, META_ARC, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Pie
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*/
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BOOL
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MFDRV_Pie( DC *dc, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dc, META_PIE, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Chord
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*/
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BOOL
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MFDRV_Chord( DC *dc, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dc, META_CHORD, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Ellipse
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*/
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BOOL
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MFDRV_Ellipse( DC *dc, INT left, INT top, INT right, INT bottom )
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{
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return MFDRV_MetaParam4(dc, META_ELLIPSE, left, top, right, bottom);
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}
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/***********************************************************************
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* MFDRV_Rectangle
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*/
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BOOL
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MFDRV_Rectangle(DC *dc, INT left, INT top, INT right, INT bottom)
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{
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return MFDRV_MetaParam4(dc, META_RECTANGLE, left, top, right, bottom);
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}
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/***********************************************************************
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* MFDRV_RoundRect
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*/
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BOOL
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MFDRV_RoundRect( DC *dc, INT left, INT top, INT right,
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INT bottom, INT ell_width, INT ell_height )
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{
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return MFDRV_MetaParam6(dc, META_ROUNDRECT, left, top, right, bottom,
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ell_width, ell_height);
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}
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/***********************************************************************
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* MFDRV_SetPixel
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*/
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COLORREF
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MFDRV_SetPixel( DC *dc, INT x, INT y, COLORREF color )
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{
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return MFDRV_MetaParam4(dc, META_SETPIXEL, x, y,HIWORD(color),
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LOWORD(color));
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}
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/******************************************************************
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* MFDRV_MetaPoly - implements Polygon and Polyline
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*/
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static BOOL MFDRV_MetaPoly(DC *dc, short func, LPPOINT16 pt, short count)
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{
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BOOL ret;
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DWORD len;
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METARECORD *mr;
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len = sizeof(METARECORD) + (count * 4);
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if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
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return FALSE;
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mr->rdSize = len / 2;
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mr->rdFunction = func;
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*(mr->rdParm) = count;
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memcpy(mr->rdParm + 1, pt, count * 4);
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ret = MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
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HeapFree( GetProcessHeap(), 0, mr);
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return ret;
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}
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/**********************************************************************
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* MFDRV_Polyline
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*/
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BOOL
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MFDRV_Polyline( DC *dc, const POINT* pt, INT count )
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{
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register int i;
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LPPOINT16 pt16;
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BOOL16 ret;
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pt16 = (LPPOINT16)HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
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if(!pt16) return FALSE;
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for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
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ret = MFDRV_MetaPoly(dc, META_POLYLINE, pt16, count);
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HeapFree( GetProcessHeap(), 0, pt16 );
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return ret;
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}
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/**********************************************************************
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* MFDRV_Polygon
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*/
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BOOL
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MFDRV_Polygon( DC *dc, const POINT* pt, INT count )
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{
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register int i;
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LPPOINT16 pt16;
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BOOL16 ret;
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pt16 = (LPPOINT16) HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
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if(!pt16) return FALSE;
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for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
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ret = MFDRV_MetaPoly(dc, META_POLYGON, pt16, count);
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HeapFree( GetProcessHeap(), 0, pt16 );
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return ret;
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}
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/**********************************************************************
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* MFDRV_PolyPolygon
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*/
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BOOL
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MFDRV_PolyPolygon( DC *dc, const POINT* pt, const INT* counts, UINT polygons)
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{
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int i,j;
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LPPOINT16 pt16;
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const POINT* curpt=pt;
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BOOL ret;
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for (i=0;i<polygons;i++) {
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pt16=(LPPOINT16)HeapAlloc( GetProcessHeap(), 0,
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sizeof(POINT16) * counts[i] );
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if(!pt16) return FALSE;
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for (j=counts[i];j--;) CONV_POINT32TO16(&(curpt[j]),&(pt16[j]));
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ret = MFDRV_MetaPoly(dc, META_POLYGON, pt16, counts[i]);
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HeapFree( GetProcessHeap(), 0, pt16 );
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if (!ret)
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return FALSE;
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curpt+=counts[i];
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}
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return TRUE;
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}
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/**********************************************************************
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* MFDRV_ExtFloodFill
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*/
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BOOL
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MFDRV_ExtFloodFill( DC *dc, INT x, INT y, COLORREF color, UINT fillType )
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{
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return MFDRV_MetaParam4(dc,META_FLOODFILL,x,y,HIWORD(color),
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LOWORD(color));
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}
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/******************************************************************
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* MFDRV_CreateRegion
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*
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* For explanation of the format of the record see MF_Play_MetaCreateRegion in
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* objects/metafile.c
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*/
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static INT16 MFDRV_CreateRegion(DC *dc, HRGN hrgn)
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{
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DWORD len;
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METARECORD *mr;
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RGNDATA *rgndata;
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RECT *pCurRect, *pEndRect;
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WORD Bands = 0, MaxBands = 0;
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WORD *Param, *StartBand;
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BOOL ret;
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len = GetRegionData( hrgn, 0, NULL );
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if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
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WARN("Can't alloc rgndata buffer\n");
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return -1;
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}
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GetRegionData( hrgn, len, rgndata );
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/* Overestimate of length:
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* Assume every rect is a separate band -> 6 WORDs per rect
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*/
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len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
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if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
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WARN("Can't alloc METARECORD buffer\n");
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HeapFree( GetProcessHeap(), 0, rgndata );
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return -1;
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}
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Param = mr->rdParm + 11;
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StartBand = NULL;
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pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
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for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
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{
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if( StartBand && pCurRect->top == *(StartBand + 1) )
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{
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*Param++ = pCurRect->left;
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*Param++ = pCurRect->right;
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}
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else
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{
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if(StartBand)
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{
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*StartBand = Param - StartBand - 3;
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*Param++ = *StartBand;
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if(*StartBand > MaxBands)
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MaxBands = *StartBand;
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Bands++;
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}
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StartBand = Param++;
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*Param++ = pCurRect->top;
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*Param++ = pCurRect->bottom;
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*Param++ = pCurRect->left;
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*Param++ = pCurRect->right;
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}
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}
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len = Param - (WORD *)mr;
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mr->rdParm[0] = 0;
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mr->rdParm[1] = 6;
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mr->rdParm[2] = 0x1234;
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mr->rdParm[3] = 0;
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mr->rdParm[4] = len * 2;
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mr->rdParm[5] = Bands;
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mr->rdParm[6] = MaxBands;
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mr->rdParm[7] = rgndata->rdh.rcBound.left;
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mr->rdParm[8] = rgndata->rdh.rcBound.top;
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mr->rdParm[9] = rgndata->rdh.rcBound.right;
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mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
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mr->rdFunction = META_CREATEREGION;
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mr->rdSize = len / 2;
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ret = MFDRV_WriteRecord( dc, mr, mr->rdSize * 2 );
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HeapFree( GetProcessHeap(), 0, mr );
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HeapFree( GetProcessHeap(), 0, rgndata );
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if(!ret)
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{
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WARN("MFDRV_WriteRecord failed\n");
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return -1;
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}
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return MFDRV_AddHandleDC( dc );
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}
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/**********************************************************************
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* MFDRV_PaintRgn
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*/
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BOOL
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MFDRV_PaintRgn( DC *dc, HRGN hrgn )
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{
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INT16 index;
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index = MFDRV_CreateRegion( dc, hrgn );
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if(index == -1)
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return FALSE;
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return MFDRV_MetaParam1( dc, META_PAINTREGION, index );
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}
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/**********************************************************************
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* MFDRV_InvertRgn
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*/
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BOOL
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MFDRV_InvertRgn( DC *dc, HRGN hrgn )
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{
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INT16 index;
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index = MFDRV_CreateRegion( dc, hrgn );
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if(index == -1)
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return FALSE;
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return MFDRV_MetaParam1( dc, META_INVERTREGION, index );
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}
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/**********************************************************************
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* MFDRV_FillRgn
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*/
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BOOL
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MFDRV_FillRgn( DC *dc, HRGN hrgn, HBRUSH hbrush )
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{
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INT16 iRgn, iBrush;
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iRgn = MFDRV_CreateRegion( dc, hrgn );
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if(iRgn == -1)
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return FALSE;
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iBrush = MFDRV_CreateBrushIndirect( dc, hbrush );
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if(iBrush == -1)
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return FALSE;
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return MFDRV_MetaParam2( dc, META_FILLREGION, iRgn, iBrush );
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}
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/**********************************************************************
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* MFDRV_FrameRgn
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*/
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BOOL
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MFDRV_FrameRgn( DC *dc, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
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{
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INT16 iRgn, iBrush;
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iRgn = MFDRV_CreateRegion( dc, hrgn );
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if(iRgn == -1)
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return FALSE;
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iBrush = MFDRV_CreateBrushIndirect( dc, hbrush );
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if(iBrush == -1)
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return FALSE;
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return MFDRV_MetaParam4( dc, META_FRAMEREGION, iRgn, iBrush, x, y );
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}
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/**********************************************************************
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* MFDRV_SetBkColor
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*/
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COLORREF
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MFDRV_SetBkColor( DC *dc, COLORREF color )
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{
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return MFDRV_MetaParam2(dc, META_SETBKCOLOR, HIWORD(color), LOWORD(color));
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}
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/**********************************************************************
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* MFDRV_SetTextColor
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*/
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COLORREF
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MFDRV_SetTextColor( DC *dc, COLORREF color )
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{
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return MFDRV_MetaParam2(dc, META_SETTEXTCOLOR, HIWORD(color),
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LOWORD(color));
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}
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/**********************************************************************
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* MFDRV_PolyBezier
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* Since MetaFiles don't record Beziers and they don't even record
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* approximations to them using lines, we need this stub function.
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*/
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BOOL
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MFDRV_PolyBezier( DC *dc, const POINT *pts, DWORD count )
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{
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return FALSE;
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}
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/**********************************************************************
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* MFDRV_PolyBezierTo
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* Since MetaFiles don't record Beziers and they don't even record
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* approximations to them using lines, we need this stub function.
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*/
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BOOL
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MFDRV_PolyBezierTo( DC *dc, const POINT *pts, DWORD count )
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{
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return FALSE;
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}
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