/* * Windows 16 bit device driver graphics functions * * Copyright 1997 John Harvey */ #include <stdio.h> #include "win16drv.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(win16drv); /*********************************************************************** * 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->DCOrgX + XLPTODP( dc, dc->CursPosX ); points[0].y = dc->DCOrgY + YLPTODP( dc, dc->CursPosY ); points[1].x = dc->DCOrgX + XLPTODP( dc, x ); points[1].y = dc->DCOrgY + YLPTODP( dc, y ); 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(DC *dc, INT left, INT top, INT right, INT bottom) { WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev; BOOL bRet = 0; POINT16 points[2]; TRACE("In WIN16DRV_Rectangle, x %d y %d DCOrgX %d y %d\n", left, top, dc->DCOrgX, dc->DCOrgY); TRACE("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->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 = HeapAlloc( GetProcessHeap(), 0, count * sizeof(POINT16) ); if(points == NULL) return FALSE; 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->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 = HeapAlloc( GetProcessHeap(), 0, count * sizeof(POINT16) ); if(points == NULL) return FALSE; 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->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("In WIN16DRV_Ellipse, x %d y %d DCOrgX %d y %d\n", left, top, dc->DCOrgX, dc->DCOrgY); TRACE("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->hClipRgn); return bRet; }