Sweden-Number/dlls/gdi32/mfdrv/graphics.c

453 lines
12 KiB
C

/*
* Metafile driver graphics functions
*
* Copyright 1993, 1994 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "mfdrv/metafiledrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(metafile);
/**********************************************************************
* MFDRV_MoveTo
*/
BOOL CDECL
MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
{
return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
}
/***********************************************************************
* MFDRV_LineTo
*/
BOOL CDECL
MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
{
return MFDRV_MetaParam2(dev, META_LINETO, x, y);
}
/***********************************************************************
* MFDRV_Arc
*/
BOOL CDECL
MFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
xstart, ystart, xend, yend);
}
/***********************************************************************
* MFDRV_Pie
*/
BOOL CDECL
MFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
xstart, ystart, xend, yend);
}
/***********************************************************************
* MFDRV_Chord
*/
BOOL CDECL
MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
xstart, ystart, xend, yend);
}
/***********************************************************************
* MFDRV_Ellipse
*/
BOOL CDECL
MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
{
return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
}
/***********************************************************************
* MFDRV_Rectangle
*/
BOOL CDECL
MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
{
return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
}
/***********************************************************************
* MFDRV_RoundRect
*/
BOOL CDECL
MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
INT bottom, INT ell_width, INT ell_height )
{
return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
ell_width, ell_height);
}
/***********************************************************************
* MFDRV_SetPixel
*/
COLORREF CDECL
MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
{
return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
LOWORD(color));
}
/******************************************************************
* MFDRV_MetaPoly - implements Polygon and Polyline
*/
static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, POINTS *pt, short count)
{
BOOL ret;
DWORD len;
METARECORD *mr;
len = sizeof(METARECORD) + (count * 4);
if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
return FALSE;
mr->rdSize = len / 2;
mr->rdFunction = func;
*(mr->rdParm) = count;
memcpy(mr->rdParm + 1, pt, count * 4);
ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
HeapFree( GetProcessHeap(), 0, mr);
return ret;
}
/**********************************************************************
* MFDRV_Polyline
*/
BOOL CDECL
MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
{
int i;
POINTS *pts;
BOOL ret;
pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
if(!pts) return FALSE;
for (i=count;i--;)
{
pts[i].x = pt[i].x;
pts[i].y = pt[i].y;
}
ret = MFDRV_MetaPoly(dev, META_POLYLINE, pts, count);
HeapFree( GetProcessHeap(), 0, pts );
return ret;
}
/**********************************************************************
* MFDRV_Polygon
*/
BOOL CDECL
MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
{
int i;
POINTS *pts;
BOOL ret;
pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
if(!pts) return FALSE;
for (i=count;i--;)
{
pts[i].x = pt[i].x;
pts[i].y = pt[i].y;
}
ret = MFDRV_MetaPoly(dev, META_POLYGON, pts, count);
HeapFree( GetProcessHeap(), 0, pts );
return ret;
}
/**********************************************************************
* MFDRV_PolyPolygon
*/
BOOL CDECL
MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
{
BOOL ret;
DWORD len;
METARECORD *mr;
unsigned int i,j;
POINTS *pts;
INT16 totalpoint16 = 0;
INT16 * pointcounts;
for (i=0;i<polygons;i++) {
totalpoint16 += counts[i];
}
/* allocate space for all points */
pts=HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS) * totalpoint16 );
pointcounts = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16) * totalpoint16 );
/* copy point counts */
for (i=0;i<polygons;i++) {
pointcounts[i] = counts[i];
}
/* convert all points */
for (j = totalpoint16; j--;){
pts[j].x = pt[j].x;
pts[j].y = pt[j].y;
}
len = sizeof(METARECORD) + sizeof(WORD) + polygons*sizeof(INT16) + totalpoint16*sizeof(*pts);
if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len ))) {
HeapFree( GetProcessHeap(), 0, pts );
HeapFree( GetProcessHeap(), 0, pointcounts );
return FALSE;
}
mr->rdSize = len /2;
mr->rdFunction = META_POLYPOLYGON;
*(mr->rdParm) = polygons;
memcpy(mr->rdParm + 1, pointcounts, polygons*sizeof(INT16));
memcpy(mr->rdParm + 1+polygons, pts , totalpoint16*sizeof(*pts));
ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
HeapFree( GetProcessHeap(), 0, pts );
HeapFree( GetProcessHeap(), 0, pointcounts );
HeapFree( GetProcessHeap(), 0, mr);
return ret;
}
/**********************************************************************
* MFDRV_ExtFloodFill
*/
BOOL CDECL
MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
{
return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
LOWORD(color));
}
/******************************************************************
* MFDRV_CreateRegion
*
* For explanation of the format of the record see MF_Play_MetaCreateRegion in
* objects/metafile.c
*/
static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
{
DWORD len;
METARECORD *mr;
RGNDATA *rgndata;
RECT *pCurRect, *pEndRect;
WORD Bands = 0, MaxBands = 0;
WORD *Param, *StartBand;
BOOL ret;
if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
WARN("Can't alloc rgndata buffer\n");
return -1;
}
GetRegionData( hrgn, len, rgndata );
/* Overestimate of length:
* Assume every rect is a separate band -> 6 WORDs per rect
*/
len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
WARN("Can't alloc METARECORD buffer\n");
HeapFree( GetProcessHeap(), 0, rgndata );
return -1;
}
Param = mr->rdParm + 11;
StartBand = NULL;
pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
{
if( StartBand && pCurRect->top == *(StartBand + 1) )
{
*Param++ = pCurRect->left;
*Param++ = pCurRect->right;
}
else
{
if(StartBand)
{
*StartBand = Param - StartBand - 3;
*Param++ = *StartBand;
if(*StartBand > MaxBands)
MaxBands = *StartBand;
Bands++;
}
StartBand = Param++;
*Param++ = pCurRect->top;
*Param++ = pCurRect->bottom;
*Param++ = pCurRect->left;
*Param++ = pCurRect->right;
}
}
len = Param - (WORD *)mr;
mr->rdParm[0] = 0;
mr->rdParm[1] = 6;
mr->rdParm[2] = 0x1234;
mr->rdParm[3] = 0;
mr->rdParm[4] = len * 2;
mr->rdParm[5] = Bands;
mr->rdParm[6] = MaxBands;
mr->rdParm[7] = rgndata->rdh.rcBound.left;
mr->rdParm[8] = rgndata->rdh.rcBound.top;
mr->rdParm[9] = rgndata->rdh.rcBound.right;
mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
mr->rdFunction = META_CREATEREGION;
mr->rdSize = len / 2;
ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
HeapFree( GetProcessHeap(), 0, mr );
HeapFree( GetProcessHeap(), 0, rgndata );
if(!ret)
{
WARN("MFDRV_WriteRecord failed\n");
return -1;
}
return MFDRV_AddHandle( dev, hrgn );
}
/**********************************************************************
* MFDRV_PaintRgn
*/
BOOL CDECL
MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
{
INT16 index;
index = MFDRV_CreateRegion( dev, hrgn );
if(index == -1)
return FALSE;
return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
}
/**********************************************************************
* MFDRV_InvertRgn
*/
BOOL CDECL
MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
{
INT16 index;
index = MFDRV_CreateRegion( dev, hrgn );
if(index == -1)
return FALSE;
return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
}
/**********************************************************************
* MFDRV_FillRgn
*/
BOOL CDECL
MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
{
INT16 iRgn, iBrush;
iRgn = MFDRV_CreateRegion( dev, hrgn );
if(iRgn == -1)
return FALSE;
iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
if(!iBrush)
return FALSE;
return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
}
/**********************************************************************
* MFDRV_FrameRgn
*/
BOOL CDECL
MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
{
INT16 iRgn, iBrush;
iRgn = MFDRV_CreateRegion( dev, hrgn );
if(iRgn == -1)
return FALSE;
iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
if(!iBrush)
return FALSE;
return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
}
/**********************************************************************
* MFDRV_ExtSelectClipRgn
*/
INT CDECL MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
{
INT16 iRgn;
INT ret;
if (mode != RGN_COPY) return ERROR;
if (!hrgn) return NULLREGION;
iRgn = MFDRV_CreateRegion( dev, hrgn );
if(iRgn == -1) return ERROR;
ret = MFDRV_MetaParam1( dev, META_SELECTCLIPREGION, iRgn ) ? NULLREGION : ERROR;
MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
MFDRV_RemoveHandle( dev, iRgn );
return ret;
}
/**********************************************************************
* MFDRV_PolyBezier
* Since MetaFiles don't record Beziers and they don't even record
* approximations to them using lines, we need this stub function.
*/
BOOL CDECL
MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
{
return FALSE;
}
/**********************************************************************
* MFDRV_PolyBezierTo
* Since MetaFiles don't record Beziers and they don't even record
* approximations to them using lines, we need this stub function.
*/
BOOL CDECL
MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )
{
return FALSE;
}