Sweden-Number/dlls/gdi/win16drv/graphics.c

186 lines
5.3 KiB
C

/*
* Windows 16 bit device driver graphics functions
*
* Copyright 1997 John Harvey
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include "win16drv/win16drv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win16drv);
/***********************************************************************
* WIN16DRV_LineTo
*/
BOOL
WIN16DRV_LineTo( PHYSDEV dev, INT x, INT y )
{
BOOL bRet ;
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dev;
DC *dc = physDev->dc;
POINT16 points[2];
points[0].x = dc->CursPosX;
points[0].y = dc->CursPosY;
points[1].x = x;
points[1].y = y;
LPtoDP16( physDev->hdc, points, 2 );
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_POLYLINE, 2, points,
physDev->PenInfo,
NULL,
win16drv_SegPtr_DrawMode, dc->hClipRgn);
dc->CursPosX = x;
dc->CursPosY = y;
return TRUE;
}
/***********************************************************************
* WIN16DRV_Rectangle
*/
BOOL
WIN16DRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dev;
DC *dc = physDev->dc;
BOOL bRet = 0;
POINT16 points[2];
TRACE("In WIN16DRV_Rectangle, x %d y %d\n", left, top );
TRACE("In WIN16DRV_Rectangle, VPortOrgX %d y %d\n",
dc->vportOrgX, dc->vportOrgY);
points[0].x = left;
points[0].y = top;
points[1].x = right;
points[1].y = bottom;
LPtoDP16( physDev->hdc, points, 2 );
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_RECTANGLE, 2, points,
physDev->PenInfo,
physDev->BrushInfo,
win16drv_SegPtr_DrawMode, dc->hClipRgn);
return bRet;
}
/***********************************************************************
* WIN16DRV_Polygon
*/
BOOL
WIN16DRV_Polygon(PHYSDEV dev, const POINT* pt, INT count )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dev;
DC *dc = physDev->dc;
BOOL bRet = 0;
LPPOINT16 points;
int i;
if(count < 2) return TRUE;
if(pt[0].x != pt[count-1].x || pt[0].y != pt[count-1].y)
count++; /* Ensure polygon is closed */
points = HeapAlloc( GetProcessHeap(), 0, count * sizeof(POINT16) );
if(points == NULL) return FALSE;
for (i = 0; i < count - 1; i++)
{
points[i].x = pt[i].x;
points[i].y = pt[i].y;
}
LPtoDP16( physDev->hdc, points, count-1 );
points[count-1].x = points[0].x;
points[count-1].y = points[0].y;
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_WINDPOLYGON, count, points,
physDev->PenInfo,
physDev->BrushInfo,
win16drv_SegPtr_DrawMode, dc->hClipRgn);
HeapFree( GetProcessHeap(), 0, points );
return bRet;
}
/***********************************************************************
* WIN16DRV_Polyline
*/
BOOL
WIN16DRV_Polyline(PHYSDEV dev, const POINT* pt, INT count )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dev;
DC *dc = physDev->dc;
BOOL bRet = 0;
LPPOINT16 points;
int i;
if(count < 2) return TRUE;
points = HeapAlloc( GetProcessHeap(), 0, count * sizeof(POINT16) );
if(points == NULL) return FALSE;
for (i = 0; i < count; i++)
{
points[i].x = pt[i].x;
points[i].y = pt[i].y;
}
LPtoDP16( physDev->hdc, points, count );
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_POLYLINE, count, points,
physDev->PenInfo,
NULL,
win16drv_SegPtr_DrawMode, dc->hClipRgn);
HeapFree( GetProcessHeap(), 0, points );
return bRet;
}
/***********************************************************************
* WIN16DRV_Ellipse
*/
BOOL
WIN16DRV_Ellipse(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dev;
DC *dc = physDev->dc;
BOOL bRet = 0;
POINT16 points[2];
TRACE("In WIN16DRV_Ellipse, x %d y %d\n", left, top );
TRACE("In WIN16DRV_Ellipse, VPortOrgX %d y %d\n", dc->vportOrgX, dc->vportOrgY);
points[0].x = left;
points[0].y = top;
points[1].x = right;
points[1].y = bottom;
LPtoDP16( physDev->hdc, points, 2 );
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_ELLIPSE, 2, points,
physDev->PenInfo,
physDev->BrushInfo,
win16drv_SegPtr_DrawMode, dc->hClipRgn);
return bRet;
}