Sweden-Number/graphics/win16drv/graphics.c

180 lines
4.9 KiB
C

/*
* Windows 16 bit device driver graphics functions
*
* Copyright 1997 John Harvey
*/
#include <stdio.h>
#include "heap.h"
#include "win16drv.h"
#include "debug.h"
/**********************************************************************
* WIN16DRV_MoveToEx
*/
BOOL
WIN16DRV_MoveToEx(DC *dc,INT x,INT y,LPPOINT pt)
{
if (pt)
{
pt->x = dc->w.CursPosX;
pt->y = dc->w.CursPosY;
}
dc->w.CursPosX = x;
dc->w.CursPosY = y;
return TRUE;
}
/***********************************************************************
* WIN16DRV_LineTo
*/
BOOL
WIN16DRV_LineTo( DC *dc, INT x, INT y )
{
BOOL bRet ;
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
POINT16 points[2];
points[0].x = dc->w.DCOrgX + XLPTODP( dc, dc->w.CursPosX );
points[0].y = dc->w.DCOrgY + YLPTODP( dc, dc->w.CursPosY );
points[1].x = dc->w.DCOrgX + XLPTODP( dc, x );
points[1].y = dc->w.DCOrgY + YLPTODP( dc, y );
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_POLYLINE, 2, points,
physDev->PenInfo,
NULL,
win16drv_SegPtr_DrawMode, dc->w.hClipRgn);
dc->w.CursPosX = x;
dc->w.CursPosY = y;
return TRUE;
}
/***********************************************************************
* WIN16DRV_Rectangle
*/
BOOL
WIN16DRV_Rectangle(DC *dc, INT left, INT top, INT right, INT bottom)
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
BOOL bRet = 0;
POINT16 points[2];
TRACE(win16drv, "In WIN16DRV_Rectangle, x %d y %d DCOrgX %d y %d\n",
left, top, dc->w.DCOrgX, dc->w.DCOrgY);
TRACE(win16drv, "In WIN16DRV_Rectangle, VPortOrgX %d y %d\n",
dc->vportOrgX, dc->vportOrgY);
points[0].x = XLPTODP(dc, left);
points[0].y = YLPTODP(dc, top);
points[1].x = XLPTODP(dc, right);
points[1].y = YLPTODP(dc, bottom);
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_RECTANGLE, 2, points,
physDev->PenInfo,
physDev->BrushInfo,
win16drv_SegPtr_DrawMode, dc->w.hClipRgn);
return bRet;
}
/***********************************************************************
* WIN16DRV_Polygon
*/
BOOL
WIN16DRV_Polygon(DC *dc, const POINT* pt, INT count )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
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 = HEAP_xalloc( GetProcessHeap(), 0, count * sizeof(POINT16) );
for (i = 0; i < count - 1; i++)
{
points[i].x = XLPTODP( dc, pt[i].x );
points[i].y = YLPTODP( dc, pt[i].y );
}
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->w.hClipRgn);
HeapFree( GetProcessHeap(), 0, points );
return bRet;
}
/***********************************************************************
* WIN16DRV_Polyline
*/
BOOL
WIN16DRV_Polyline(DC *dc, const POINT* pt, INT count )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
BOOL bRet = 0;
LPPOINT16 points;
int i;
if(count < 2) return TRUE;
points = HEAP_xalloc( GetProcessHeap(), 0, count * sizeof(POINT16) );
for (i = 0; i < count; i++)
{
points[i].x = XLPTODP( dc, pt[i].x );
points[i].y = YLPTODP( dc, pt[i].y );
}
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_POLYLINE, count, points,
physDev->PenInfo,
NULL,
win16drv_SegPtr_DrawMode, dc->w.hClipRgn);
HeapFree( GetProcessHeap(), 0, points );
return bRet;
}
/***********************************************************************
* WIN16DRV_Ellipse
*/
BOOL
WIN16DRV_Ellipse(DC *dc, INT left, INT top, INT right, INT bottom)
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
BOOL bRet = 0;
POINT16 points[2];
TRACE(win16drv, "In WIN16DRV_Ellipse, x %d y %d DCOrgX %d y %d\n",
left, top, dc->w.DCOrgX, dc->w.DCOrgY);
TRACE(win16drv, "In WIN16DRV_Ellipse, VPortOrgX %d y %d\n",
dc->vportOrgX, dc->vportOrgY);
points[0].x = XLPTODP(dc, left);
points[0].y = YLPTODP(dc, top);
points[1].x = XLPTODP(dc, right);
points[1].y = YLPTODP(dc, bottom);
bRet = PRTDRV_Output(physDev->segptrPDEVICE,
OS_ELLIPSE, 2, points,
physDev->PenInfo,
physDev->BrushInfo,
win16drv_SegPtr_DrawMode, dc->w.hClipRgn);
return bRet;
}