emfdrv.c File Reference

#include "wine/config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "winerror.h"
#include "gdi_private.h"
#include "winternl.h"
#include "wine/wingdi16.h"
#include "wine/debug.h"

Include dependency graph for emfdrv.c:

Go to the source code of this file.

Macros
#define	M_PI   3.14159265358979323846
#define	M_PI_2   1.570796326794896619

Functions
static void	emfdrv_update_bounds (WINEDC *dc, RECTL *rect)
BOOL	EMFDRV_LineTo (WINEDC *dc, INT x, INT y)
BOOL	EMFDRV_RoundRect (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT ell_width, INT ell_height)
BOOL	EMFDRV_ArcChordPie (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend, DWORD type)
BOOL	EMFDRV_Arc (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	EMFDRV_ArcTo (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	EMFDRV_Pie (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	EMFDRV_Chord (WINEDC *dc, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend)
BOOL	EMFDRV_Ellipse (WINEDC *dc, INT left, INT top, INT right, INT bottom)
BOOL	EMFDRV_Rectangle (WINEDC *dc, INT left, INT top, INT right, INT bottom)
COLORREF	EMFDRV_SetPixel (WINEDC *dc, INT x, INT y, COLORREF color)
BOOL	EMFDRV_PolylineTo (WINEDC *dc, const POINT *pt, INT count)
BOOL	EMFDRV_PolyBezier (WINEDC *dc, const POINT *pts, DWORD count)
BOOL	EMFDRV_PolyBezierTo (WINEDC *dc, const POINT *pts, DWORD count)
BOOL	EMFDRV_PolyPolyline (WINEDC *dc, const POINT *pt, const DWORD *counts, UINT polys)
BOOL	EMFDRV_PolyPolygon (WINEDC *dc, const POINT *pt, const INT *counts, UINT polys)
BOOL	EMFDRV_PolyDraw (WINEDC *dc, const POINT *pts, const BYTE *types, DWORD count)
BOOL	EMFDRV_FillRgn (WINEDC *dc, HRGN hrgn, HBRUSH hbrush)
BOOL	EMFDRV_FrameRgn (WINEDC *dc, HRGN hrgn, HBRUSH hbrush, INT width, INT height)
BOOL	EMFDRV_InvertRgn (WINEDC *dc, HRGN hrgn)
BOOL	EMFDRV_ExtTextOut (WINEDC *dc, INT x, INT y, UINT flags, const RECT *lprect, LPCWSTR str, UINT count, const INT *lpDx)
BOOL	EMFDRV_GradientFill (WINEDC *dc, TRIVERTEX *vert_array, ULONG nvert, void *grad_array, ULONG ngrad, ULONG mode)
BOOL	EMFDRV_FillPath (WINEDC *dc)
BOOL	EMFDRV_StrokeAndFillPath (WINEDC *dc)
BOOL	EMFDRV_StrokePath (WINEDC *dc)
BOOL	EMFDRV_AlphaBlend (WINEDC *dc_dst, INT x_dst, INT y_dst, INT width_dst, INT height_dst, HDC dc_src, INT x_src, INT y_src, INT width_src, INT height_src, BLENDFUNCTION func)
BOOL	EMFDRV_PatBlt (WINEDC *dc, INT left, INT top, INT width, INT height, DWORD rop)
INT	EMFDRV_StretchDIBits (WINEDC *dc, INT x_dst, INT y_dst, INT width_dst, INT height_dst, INT x_src, INT y_src, INT width_src, INT height_src, const void *bits, BITMAPINFO *info, UINT wUsage, DWORD dwRop)
INT	EMFDRV_SetDIBitsToDevice (WINEDC *dc, INT x_dst, INT y_dst, DWORD width, DWORD height, INT x_src, INT y_src, UINT startscan, UINT lines, const void *bits, BITMAPINFO *info, UINT usage)
HBITMAP	EMFDRV_SelectBitmap (WINEDC *dc, HBITMAP hbitmap)

Macro Definition Documentation

M_PI

#define M_PI   3.14159265358979323846

Definition at line 43 of file emfdrv.c.

M_PI_2

#define M_PI_2   1.570796326794896619

Definition at line 44 of file emfdrv.c.

Function Documentation

EMFDRV_AlphaBlend()

BOOL EMFDRV_AlphaBlend	(	WINEDC *	dc_dst,
		INT	x_dst,
		INT	y_dst,
		INT	width_dst,
		INT	height_dst,
		HDC	dc_src,
		INT	x_src,
		INT	y_src,
		INT	width_src,
		INT	height_src,
		BLENDFUNCTION	func
	)

Definition at line 394 of file emfdrv.c.

{
    /* FIXME: update bound rect */
    return TRUE;
}

EMFDRV_Arc()

BOOL EMFDRV_Arc	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 227 of file emfdrv.c.

{
    return EMFDRV_ArcChordPie( dc, left, top, right, bottom, xstart, ystart,
                               xend, yend, EMR_ARC );
}

EMFDRV_ArcChordPie()

BOOL EMFDRV_ArcChordPie	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend,
		DWORD	type
	)

Definition at line 120 of file emfdrv.c.

{
    INT temp, x_centre, y_centre, i;
    double angle_start, angle_end;
    double xinter_start, yinter_start, xinter_end, yinter_end;
    EMRARC emr;
    RECTL bounds;

    if (left == right || top == bottom) return FALSE;

    if (left > right) { temp = left; left = right; right = temp; }
    if (top > bottom) { temp = top; top = bottom; bottom = temp; }

    if (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//dc->attr->graphics_mode == GM_COMPATIBLE)
    {
        right--;
        bottom--;
    }

    emr.emr.iType     = type;
    emr.emr.nSize     = sizeof(emr);
    emr.rclBox.left   = left;
    emr.rclBox.top    = top;
    emr.rclBox.right  = right;
    emr.rclBox.bottom = bottom;
    emr.ptlStart.x    = xstart;
    emr.ptlStart.y    = ystart;
    emr.ptlEnd.x      = xend;
    emr.ptlEnd.y      = yend;

    /* Now calculate the BBox */
    x_centre = (left + right + 1) / 2;
    y_centre = (top + bottom + 1) / 2;

    xstart -= x_centre;
    ystart -= y_centre;
    xend   -= x_centre;
    yend   -= y_centre;

    /* invert y co-ords to get angle anti-clockwise from x-axis */
    angle_start = atan2( -(double)ystart, (double)xstart );
    angle_end   = atan2( -(double)yend, (double)xend );

    /* These are the intercepts of the start/end lines with the arc */
    xinter_start = (right - left + 1)/2 * cos(angle_start) + x_centre;
    yinter_start = -(bottom - top + 1)/2 * sin(angle_start) + y_centre;
    xinter_end   = (right - left + 1)/2 * cos(angle_end) + x_centre;
    yinter_end   = -(bottom - top + 1)/2 * sin(angle_end) + y_centre;

    if (angle_start < 0) angle_start += 2 * M_PI;
    if (angle_end < 0) angle_end += 2 * M_PI;
    if (angle_end < angle_start) angle_end += 2 * M_PI;

    bounds.left   = min( xinter_start, xinter_end );
    bounds.top    = min( yinter_start, yinter_end );
    bounds.right  = max( xinter_start, xinter_end );
    bounds.bottom = max( yinter_start, yinter_end );

    for (i = 0; i <= 8; i++)
    {
        if(i * M_PI / 2 < angle_start) /* loop until we're past start */
        continue;
    if(i * M_PI / 2 > angle_end)   /* if we're past end we're finished */
        break;

    /* the arc touches the rectangle at the start of quadrant i, so adjust
       BBox to reflect this. */

    switch(i % 4) {
    case 0:
        bounds.right = right;
        break;
    case 1:
        bounds.top = top;
        break;
    case 2:
        bounds.left = left;
        break;
    case 3:
        bounds.bottom = bottom;
        break;
    }
    }

    /* If we're drawing a pie then make sure we include the centre */
    if (type == EMR_PIE)
    {
        if (bounds.left > x_centre) bounds.left = x_centre;
    else if (bounds.right < x_centre) bounds.right = x_centre;
    if (bounds.top > y_centre) bounds.top = y_centre;
    else if (bounds.bottom < y_centre) bounds.bottom = y_centre;
    }
    else if (type == EMR_ARCTO)
    {
        POINT pt;
        //pt = dc->attr->cur_pos;
        GetCurrentPositionEx(dc->hdc, &pt);
        bounds.left   = min( bounds.left, pt.x );
        bounds.top    = min( bounds.top, pt.y );
        bounds.right  = max( bounds.right, pt.x );
        bounds.bottom = max( bounds.bottom, pt.y );
    }
    emfdrv_update_bounds( dc, &bounds );
    return TRUE;
}

Referenced by EMFDC_ArcChordPie(), EMFDRV_Arc(), EMFDRV_ArcTo(), EMFDRV_Chord(), and EMFDRV_Pie().

EMFDRV_ArcTo()

BOOL EMFDRV_ArcTo	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 234 of file emfdrv.c.

{
    return EMFDRV_ArcChordPie( dc, left, top, right, bottom, xstart, ystart,
                               xend, yend, EMR_ARCTO );
}

EMFDRV_Chord()

BOOL EMFDRV_Chord	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 248 of file emfdrv.c.

{
    return EMFDRV_ArcChordPie( dc, left, top, right, bottom, xstart, ystart,
                               xend, yend, EMR_CHORD );
}

EMFDRV_Ellipse()

BOOL EMFDRV_Ellipse	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom
	)

Definition at line 255 of file emfdrv.c.

{
    RECTL bounds;

    if (left == right || top == bottom) return FALSE;

    bounds.left   = min( left, right );
    bounds.top    = min( top, bottom );
    bounds.right  = max( left, right );
    bounds.bottom = max( top, bottom );
    if (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//dc->attr->graphics_mode == GM_COMPATIBLE)
    {
        bounds.right--;
        bounds.bottom--;
    }

    emfdrv_update_bounds( dc, &bounds );
    return TRUE;
}

Referenced by EMFDC_Ellipse().

EMFDRV_ExtTextOut()

BOOL EMFDRV_ExtTextOut	(	WINEDC *	dc,
		INT	x,
		INT	y,
		UINT	flags,
		const RECT *	lprect,
		LPCWSTR	str,
		UINT	count,
		const INT *	lpDx
	)

Definition at line 362 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_FillPath()

BOOL EMFDRV_FillPath

(

WINEDC *

dc

)

Definition at line 376 of file emfdrv.c.

{
    /* FIXME: update bound rect */
    return TRUE;
}

EMFDRV_FillRgn()

BOOL EMFDRV_FillRgn	(	WINEDC *	dc,
		HRGN	hrgn,
		HBRUSH	hbrush
	)

Definition at line 344 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_FrameRgn()

BOOL EMFDRV_FrameRgn	(	WINEDC *	dc,
		HRGN	hrgn,
		HBRUSH	hbrush,
		INT	width,
		INT	height
	)

Definition at line 350 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_GradientFill()

BOOL EMFDRV_GradientFill	(	WINEDC *	dc,
		TRIVERTEX *	vert_array,
		ULONG	nvert,
		void *	grad_array,
		ULONG	ngrad,
		ULONG	mode
	)

Definition at line 369 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_InvertRgn()

BOOL EMFDRV_InvertRgn	(	WINEDC *	dc,
		HRGN	hrgn
	)

Definition at line 356 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_LineTo()

BOOL EMFDRV_LineTo	(	WINEDC *	dc,
		INT	x,
		INT	y
	)

Definition at line 83 of file emfdrv.c.

{
    RECTL bounds;
    POINT pt;

    //pt = dc->attr->cur_pos;
    GetCurrentPositionEx(dc->hdc, &pt);

    bounds.left   = min( x, pt.x );
    bounds.top    = min( y, pt.y );
    bounds.right  = max( x, pt.x );
    bounds.bottom = max( y, pt.y );
    emfdrv_update_bounds( dc, &bounds );
    return TRUE;
}

Referenced by EMFDC_LineTo().

EMFDRV_PatBlt()

BOOL EMFDRV_PatBlt	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	width,
		INT	height,
		DWORD	rop
	)

Definition at line 402 of file emfdrv.c.

{
    /* FIXME: update bound rect */
    return TRUE;
}

EMFDRV_Pie()

BOOL EMFDRV_Pie	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	xstart,
		INT	ystart,
		INT	xend,
		INT	yend
	)

Definition at line 241 of file emfdrv.c.

{
    return EMFDRV_ArcChordPie( dc, left, top, right, bottom, xstart, ystart,
                               xend, yend, EMR_PIE );
}

EMFDRV_PolyBezier()

BOOL EMFDRV_PolyBezier	(	WINEDC *	dc,
		const POINT *	pts,
		DWORD	count
	)

Definition at line 311 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_PolyBezierTo()

BOOL EMFDRV_PolyBezierTo	(	WINEDC *	dc,
		const POINT *	pts,
		DWORD	count
	)

Definition at line 317 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_PolyDraw()

BOOL EMFDRV_PolyDraw	(	WINEDC *	dc,
		const POINT *	pts,
		const BYTE *	types,
		DWORD	count
	)

Definition at line 337 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_PolylineTo()

BOOL EMFDRV_PolylineTo	(	WINEDC *	dc,
		const POINT *	pt,
		INT	count
	)

Definition at line 305 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_PolyPolygon()

BOOL EMFDRV_PolyPolygon	(	WINEDC *	dc,
		const POINT *	pt,
		const INT *	counts,
		UINT	polys
	)

Definition at line 330 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_PolyPolyline()

BOOL EMFDRV_PolyPolyline	(	WINEDC *	dc,
		const POINT *	pt,
		const DWORD *	counts,
		UINT	polys
	)

Definition at line 323 of file emfdrv.c.

{
    /* FIXME: update bounding rect */
    return TRUE;
}

EMFDRV_Rectangle()

BOOL EMFDRV_Rectangle	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom
	)

Definition at line 275 of file emfdrv.c.

{
    RECTL bounds;

    if (left == right || top == bottom) return FALSE;

    bounds.left   = min( left, right );
    bounds.top    = min( top, bottom );
    bounds.right  = max( left, right );
    bounds.bottom = max( top, bottom );
    if (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//dc->attr->graphics_mode == GM_COMPATIBLE)
    {
        bounds.right--;
        bounds.bottom--;
    }

    emfdrv_update_bounds( dc, &bounds );
    return TRUE;
}

Referenced by EMFDC_Rectangle().

EMFDRV_RoundRect()

BOOL EMFDRV_RoundRect	(	WINEDC *	dc,
		INT	left,
		INT	top,
		INT	right,
		INT	bottom,
		INT	ell_width,
		INT	ell_height
	)

Definition at line 99 of file emfdrv.c.

{
    RECTL bounds;

    if (left == right || top == bottom) return FALSE;

    bounds.left   = min( left, right );
    bounds.top    = min( top, bottom );
    bounds.right  = max( left, right );
    bounds.bottom = max( top, bottom );
    if (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//dc->attr->graphics_mode == GM_COMPATIBLE)
    {
        bounds.right--;
        bounds.bottom--;
    }

    emfdrv_update_bounds( dc, &bounds );
    return TRUE;
}

Referenced by EMFDC_RoundRect().

EMFDRV_SelectBitmap()

HBITMAP EMFDRV_SelectBitmap	(	WINEDC *	dc,
		HBITMAP	hbitmap
	)

Definition at line 426 of file emfdrv.c.

{
    return 0;
}

EMFDRV_SetDIBitsToDevice()

INT EMFDRV_SetDIBitsToDevice	(	WINEDC *	dc,
		INT	x_dst,
		INT	y_dst,
		DWORD	width,
		DWORD	height,
		INT	x_src,
		INT	y_src,
		UINT	startscan,
		UINT	lines,
		const void *	bits,
		BITMAPINFO *	info,
		UINT	usage
	)

Definition at line 417 of file emfdrv.c.

{
    /* FIXME: Update bound rect */
    return lines;
}

EMFDRV_SetPixel()

COLORREF EMFDRV_SetPixel	(	WINEDC *	dc,
		INT	x,
		INT	y,
		COLORREF	color
	)

Definition at line 295 of file emfdrv.c.

{
    RECTL bounds;

    bounds.left = bounds.right = x;
    bounds.top = bounds.bottom = y;
    emfdrv_update_bounds( dc, &bounds );
    return CLR_INVALID;
}

Referenced by EMFDC_SetPixel().

EMFDRV_StretchDIBits()

INT EMFDRV_StretchDIBits	(	WINEDC *	dc,
		INT	x_dst,
		INT	y_dst,
		INT	width_dst,
		INT	height_dst,
		INT	x_src,
		INT	y_src,
		INT	width_src,
		INT	height_src,
		const void *	bits,
		BITMAPINFO *	info,
		UINT	wUsage,
		DWORD	dwRop
	)

Definition at line 408 of file emfdrv.c.

{
    /* FIXME: Update bound rect */
    return height_src;
}

EMFDRV_StrokeAndFillPath()

BOOL EMFDRV_StrokeAndFillPath

(

WINEDC *

dc

)

Definition at line 382 of file emfdrv.c.

{
    /* FIXME: update bound rect */
    return TRUE;
}

EMFDRV_StrokePath()

BOOL EMFDRV_StrokePath

(

WINEDC *

dc

)

Definition at line 388 of file emfdrv.c.

{
    /* FIXME: update bound rect */
    return TRUE;
}

emfdrv_update_bounds()

static void emfdrv_update_bounds ( WINEDC *  dc, RECTL *  rect  )

static

Definition at line 46 of file emfdrv.c.

{
    RECTL *bounds = &dc->emf_bounds;
    RECTL vport_rect = *rect;

    //lp_to_dp( dc, (POINT *)&vport_rect, 2 );
    LPtoDP(dc->hdc, (POINT *)&vport_rect, 2 );

    /* The coordinate systems may be mirrored
       (LPtoDP handles points, not rectangles) */
    if (vport_rect.left > vport_rect.right)
    {
        LONG temp = vport_rect.right;
        vport_rect.right = vport_rect.left;
        vport_rect.left = temp;
    }
    if (vport_rect.top > vport_rect.bottom)
    {
        LONG temp = vport_rect.bottom;
        vport_rect.bottom = vport_rect.top;
        vport_rect.top = temp;
    }

    if (bounds->left > bounds->right)
    {
        /* first bounding rectangle */
        *bounds = vport_rect;
    }
    else
    {
        bounds->left   = min( bounds->left,   vport_rect.left );
        bounds->top    = min( bounds->top,    vport_rect.top );
        bounds->right  = max( bounds->right,  vport_rect.right );
        bounds->bottom = max( bounds->bottom, vport_rect.bottom );
    }
}

Referenced by EMFDRV_ArcChordPie(), EMFDRV_Ellipse(), EMFDRV_LineTo(), EMFDRV_Rectangle(), EMFDRV_RoundRect(), and EMFDRV_SetPixel().