graphics.c File Reference

#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"

Include dependency graph for graphics.c:

Go to the source code of this file.

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (metafile)
BOOL	MFDRV_MoveTo (PHYSDEV dev, INT x, INT y)
BOOL	MFDRV_LineTo (PHYSDEV dev, INT x, INT y)
BOOL	MFDRV_Arc (PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	MFDRV_Pie (PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	MFDRV_Chord (PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	MFDRV_Ellipse (PHYSDEV dev, INT left, INT top, INT right, INT bottom)
BOOL	MFDRV_Rectangle (PHYSDEV dev, INT left, INT top, INT right, INT bottom)
BOOL	MFDRV_RoundRect (PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT ell_width, INT ell_height)
COLORREF	MFDRV_SetPixel (PHYSDEV dev, INT x, INT y, COLORREF color)
static BOOL	MFDRV_MetaPoly (PHYSDEV dev, short func, POINTS *pt, short count)
BOOL	MFDRV_Polyline (PHYSDEV dev, const POINT *pt, INT count)
BOOL	MFDRV_Polygon (PHYSDEV dev, const POINT *pt, INT count)
BOOL	MFDRV_PolyPolygon (PHYSDEV dev, const POINT *pt, const INT *counts, UINT polygons)
BOOL	MFDRV_ExtFloodFill (PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType)
static INT16	MFDRV_CreateRegion (PHYSDEV dev, HRGN hrgn)
BOOL	MFDRV_PaintRgn (PHYSDEV dev, HRGN hrgn)
BOOL	MFDRV_InvertRgn (PHYSDEV dev, HRGN hrgn)
BOOL	MFDRV_FillRgn (PHYSDEV dev, HRGN hrgn, HBRUSH hbrush)
BOOL	MFDRV_FrameRgn (PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y)
INT	MFDRV_ExtSelectClipRgn (PHYSDEV dev, HRGN hrgn, INT mode)
BOOL	MFDRV_PolyBezier (PHYSDEV dev, const POINT *pts, DWORD count)
BOOL	MFDRV_PolyBezierTo (PHYSDEV dev, const POINT *pts, DWORD count)

Function Documentation

MFDRV_Arc()

BOOL MFDRV_Arc	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 53 of file graphics.c.

{
     return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
                 xstart, ystart, xend, yend);
}

MFDRV_Chord()

BOOL MFDRV_Chord	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 75 of file graphics.c.

{
    return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
                xstart, ystart, xend, yend);
}

MFDRV_CreateRegion()

static INT16 MFDRV_CreateRegion ( PHYSDEV  dev, HRGN  hrgn  )

static

Definition at line 257 of file graphics.c.

{
    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;
    }
    }
 
    if (StartBand)
    {
        *StartBand = Param - StartBand - 3;
        *Param++ = *StartBand;
        if(*StartBand > MaxBands)
            MaxBands = *StartBand;
        Bands++;
    }
 
    mr->rdParm[0] = 0;
    mr->rdParm[1] = 6;
    mr->rdParm[2] = 0x2f6;
    mr->rdParm[3] = 0;
    mr->rdParm[4] = (Param - &mr->rdFunction) * sizeof(WORD);
    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 = Param - (WORD *)mr;
    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 );
}

Referenced by MFDRV_ExtSelectClipRgn(), MFDRV_FillRgn(), MFDRV_FrameRgn(), MFDRV_InvertRgn(), and MFDRV_PaintRgn().

MFDRV_Ellipse()

BOOL MFDRV_Ellipse	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom
	)

Definition at line 85 of file graphics.c.

{
    return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
}

MFDRV_ExtFloodFill()

BOOL MFDRV_ExtFloodFill	(	PHYSDEV	dev,
		INT	x,
		INT	y,
		COLORREF	color,
		UINT	fillType
	)

Definition at line 244 of file graphics.c.

{
    return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
                LOWORD(color));
}

MFDRV_ExtSelectClipRgn()

INT MFDRV_ExtSelectClipRgn	(	PHYSDEV	dev,
		HRGN	hrgn,
		INT	mode
	)

Definition at line 407 of file graphics.c.

{
    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_SELECTOBJECT, iRgn ) ? NULLREGION : ERROR;
    MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
    MFDRV_RemoveHandle( dev, iRgn );
    return ret;
}

MFDRV_FillRgn()

BOOL MFDRV_FillRgn	(	PHYSDEV	dev,
		HRGN	hrgn,
		HBRUSH	hbrush
	)

Definition at line 376 of file graphics.c.

{
    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 MFDRV_FrameRgn	(	PHYSDEV	dev,
		HRGN	hrgn,
		HBRUSH	hbrush,
		INT	x,
		INT	y
	)

Definition at line 391 of file graphics.c.

{
    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_InvertRgn()

BOOL MFDRV_InvertRgn	(	PHYSDEV	dev,
		HRGN	hrgn
	)

Definition at line 363 of file graphics.c.

{
    INT16 index;
    index = MFDRV_CreateRegion( dev, hrgn );
    if(index == -1)
        return FALSE;
    return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
}

MFDRV_LineTo()

BOOL MFDRV_LineTo	(	PHYSDEV	dev,
		INT	x,
		INT	y
	)

Definition at line 44 of file graphics.c.

{
     return MFDRV_MetaParam2(dev, META_LINETO, x, y);
}

MFDRV_MetaPoly()

static BOOL MFDRV_MetaPoly ( PHYSDEV  dev, short  func, POINTS *  pt, short  count  )

static

Definition at line 121 of file graphics.c.

{
    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;
}

Referenced by MFDRV_Polygon(), and MFDRV_Polyline().

MFDRV_MoveTo()

BOOL MFDRV_MoveTo	(	PHYSDEV	dev,
		INT	x,
		INT	y
	)

Definition at line 36 of file graphics.c.

{
    return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
}

MFDRV_PaintRgn()

BOOL MFDRV_PaintRgn	(	PHYSDEV	dev,
		HRGN	hrgn
	)

Definition at line 350 of file graphics.c.

{
    INT16 index;
    index = MFDRV_CreateRegion( dev, hrgn );
    if(index == -1)
        return FALSE;
    return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
}

MFDRV_Pie()

BOOL MFDRV_Pie	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 64 of file graphics.c.

{
    return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
                xstart, ystart, xend, yend);
}

MFDRV_PolyBezier()

BOOL MFDRV_PolyBezier	(	PHYSDEV	dev,
		const POINT *	pts,
		DWORD	count
	)

Definition at line 428 of file graphics.c.

{
    return FALSE;
}

MFDRV_PolyBezierTo()

BOOL MFDRV_PolyBezierTo	(	PHYSDEV	dev,
		const POINT *	pts,
		DWORD	count
	)

Definition at line 438 of file graphics.c.

{
    return FALSE;
}

MFDRV_Polygon()

BOOL MFDRV_Polygon	(	PHYSDEV	dev,
		const POINT *	pt,
		INT	count
	)

Definition at line 167 of file graphics.c.

{
    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_Polyline()

BOOL MFDRV_Polyline	(	PHYSDEV	dev,
		const POINT *	pt,
		INT	count
	)

Definition at line 144 of file graphics.c.

{
    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_PolyPolygon()

BOOL MFDRV_PolyPolygon	(	PHYSDEV	dev,
		const POINT *	pt,
		const INT *	counts,
		UINT	polygons
	)

Definition at line 190 of file graphics.c.

{
    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_Rectangle()

BOOL MFDRV_Rectangle	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom
	)

Definition at line 93 of file graphics.c.

{
    return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
}

MFDRV_RoundRect()

BOOL MFDRV_RoundRect	(	PHYSDEV	dev,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	ell_width,
		INT	ell_height
	)

Definition at line 101 of file graphics.c.

{
    return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
                ell_width, ell_height);
}

MFDRV_SetPixel()

COLORREF MFDRV_SetPixel	(	PHYSDEV	dev,
		INT	x,
		INT	y,
		COLORREF	color
	)

Definition at line 111 of file graphics.c.

{
    return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
                LOWORD(color));
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

metafile

)