571 lines
16 KiB
C
571 lines
16 KiB
C
/*
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* PostScript driver graphics functions
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*
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* Copyright 1998 Huw D M Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <float.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "psdrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
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/***********************************************************************
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* PSDRV_XWStoDS
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*
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* Performs a world-to-viewport transformation on the specified width.
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*/
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INT PSDRV_XWStoDS( PHYSDEV dev, INT width )
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{
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POINT pt[2];
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pt[0].x = 0;
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pt[0].y = 0;
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pt[1].x = width;
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pt[1].y = 0;
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LPtoDP( dev->hdc, pt, 2 );
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return pt[1].x - pt[0].x;
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}
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/***********************************************************************
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* PSDRV_DrawLine
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*/
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static void PSDRV_DrawLine( PHYSDEV dev )
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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if(physDev->pathdepth)
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return;
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if (physDev->pen.style == PS_NULL)
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PSDRV_WriteNewPath(dev);
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else
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PSDRV_WriteStroke(dev);
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}
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/***********************************************************************
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* PSDRV_LineTo
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*/
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BOOL PSDRV_LineTo(PHYSDEV dev, INT x, INT y)
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{
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POINT pt[2];
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TRACE("%d %d\n", x, y);
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GetCurrentPositionEx( dev->hdc, pt );
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pt[1].x = x;
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pt[1].y = y;
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LPtoDP( dev->hdc, pt, 2 );
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteMoveTo(dev, pt[0].x, pt[0].y );
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PSDRV_WriteLineTo(dev, pt[1].x, pt[1].y );
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_Rectangle
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*/
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BOOL PSDRV_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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RECT rect;
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TRACE("%d %d - %d %d\n", left, top, right, bottom);
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SetRect(&rect, left, top, right, bottom);
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LPtoDP( dev->hdc, (POINT *)&rect, 2 );
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/* Windows does something truly hacky here. If we're in passthrough mode
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and our rop is R2_NOP, then we output the string below. This is used in
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Office 2k when inserting eps files */
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if (physDev->job.passthrough_state == passthrough_active && GetROP2(dev->hdc) == R2_NOP)
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{
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char buf[256];
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sprintf(buf, "N %d %d %d %d B\n", rect.right - rect.left, rect.bottom - rect.top, rect.left, rect.top);
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write_spool(dev, buf, strlen(buf));
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physDev->job.passthrough_state = passthrough_had_rect;
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return TRUE;
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}
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteRectangle(dev, rect.left, rect.top, rect.right - rect.left,
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rect.bottom - rect.top );
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PSDRV_Brush(dev,0);
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_RoundRect
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*/
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BOOL PSDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
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INT bottom, INT ell_width, INT ell_height )
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{
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RECT rect[2];
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SetRect(&rect[0], left, top, right, bottom);
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SetRect(&rect[1], 0, 0, ell_width, ell_height);
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LPtoDP( dev->hdc, (POINT *)rect, 4 );
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left = rect[0].left;
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top = rect[0].top;
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right = rect[0].right;
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bottom = rect[0].bottom;
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if (left > right) { INT tmp = left; left = right; right = tmp; }
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if (top > bottom) { INT tmp = top; top = bottom; bottom = tmp; }
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ell_width = rect[1].right - rect[1].left;
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ell_height = rect[1].bottom - rect[1].top;
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if (ell_width > right - left) ell_width = right - left;
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if (ell_height > bottom - top) ell_height = bottom - top;
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PSDRV_WriteSpool(dev, "%RoundRect\n",11);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteMoveTo( dev, left, top + ell_height/2 );
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PSDRV_WriteArc( dev, left + ell_width/2, top + ell_height/2, ell_width,
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ell_height, 90.0, 180.0);
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PSDRV_WriteLineTo( dev, right - ell_width/2, top );
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PSDRV_WriteArc( dev, right - ell_width/2, top + ell_height/2, ell_width,
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ell_height, 0.0, 90.0);
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PSDRV_WriteLineTo( dev, right, bottom - ell_height/2 );
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PSDRV_WriteArc( dev, right - ell_width/2, bottom - ell_height/2, ell_width,
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ell_height, -90.0, 0.0);
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PSDRV_WriteLineTo( dev, right - ell_width/2, bottom);
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PSDRV_WriteArc( dev, left + ell_width/2, bottom - ell_height/2, ell_width,
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ell_height, 180.0, -90.0);
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PSDRV_WriteClosePath( dev );
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PSDRV_Brush(dev,0);
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_DrawArc
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*
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* Does the work of Arc, Chord and Pie. lines is 0, 1 or 2 respectively.
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*/
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static BOOL PSDRV_DrawArc( PHYSDEV dev, INT left, INT top,
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INT right, INT bottom, INT xstart, INT ystart,
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INT xend, INT yend, int lines )
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{
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INT x, y, h, w;
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double start_angle, end_angle, ratio;
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RECT rect;
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POINT start, end;
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SetRect(&rect, left, top, right, bottom);
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LPtoDP( dev->hdc, (POINT *)&rect, 2 );
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start.x = xstart;
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start.y = ystart;
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end.x = xend;
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end.y = yend;
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LPtoDP( dev->hdc, &start, 1 );
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LPtoDP( dev->hdc, &end, 1 );
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x = (rect.left + rect.right) / 2;
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y = (rect.top + rect.bottom) / 2;
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w = rect.right - rect.left;
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h = rect.bottom - rect.top;
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if(w < 0) w = -w;
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if(h < 0) h = -h;
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ratio = ((double)w)/h;
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/* angle is the angle after the rectangle is transformed to a square and is
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measured anticlockwise from the +ve x-axis */
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start_angle = atan2((double)(y - start.y) * ratio, (double)(start.x - x));
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end_angle = atan2((double)(y - end.y) * ratio, (double)(end.x - x));
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start_angle *= 180.0 / M_PI;
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end_angle *= 180.0 / M_PI;
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PSDRV_WriteSpool(dev,"%DrawArc\n", 9);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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if(lines == 2) /* pie */
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PSDRV_WriteMoveTo(dev, x, y);
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else
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PSDRV_WriteNewPath( dev );
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PSDRV_WriteArc(dev, x, y, w, h, start_angle, end_angle);
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if(lines == 1 || lines == 2) { /* chord or pie */
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PSDRV_WriteClosePath(dev);
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PSDRV_Brush(dev,0);
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}
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_Arc
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*/
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BOOL PSDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 0 );
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}
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/***********************************************************************
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* PSDRV_Chord
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*/
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BOOL PSDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 1 );
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}
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/***********************************************************************
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* PSDRV_Pie
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*/
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BOOL PSDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 2 );
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}
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/***********************************************************************
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* PSDRV_Ellipse
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*/
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BOOL PSDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom)
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{
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INT x, y, w, h;
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RECT rect;
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TRACE("%d %d - %d %d\n", left, top, right, bottom);
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SetRect(&rect, left, top, right, bottom);
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LPtoDP( dev->hdc, (POINT *)&rect, 2 );
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x = (rect.left + rect.right) / 2;
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y = (rect.top + rect.bottom) / 2;
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w = rect.right - rect.left;
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h = rect.bottom - rect.top;
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PSDRV_WriteSpool(dev, "%Ellipse\n", 9);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteNewPath(dev);
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PSDRV_WriteArc(dev, x, y, w, h, 0.0, 360.0);
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PSDRV_WriteClosePath(dev);
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PSDRV_Brush(dev,0);
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_PolyPolyline
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*/
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BOOL PSDRV_PolyPolyline( PHYSDEV dev, const POINT* pts, const DWORD* counts, DWORD polylines )
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{
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DWORD polyline, line, total;
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POINT *dev_pts, *pt;
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TRACE("\n");
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for (polyline = total = 0; polyline < polylines; polyline++) total += counts[polyline];
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if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*dev_pts) ))) return FALSE;
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memcpy( dev_pts, pts, total * sizeof(*dev_pts) );
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LPtoDP( dev->hdc, dev_pts, total );
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pt = dev_pts;
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PSDRV_WriteSpool(dev, "%PolyPolyline\n",14);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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for(polyline = 0; polyline < polylines; polyline++) {
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PSDRV_WriteMoveTo(dev, pt->x, pt->y);
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pt++;
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for(line = 1; line < counts[polyline]; line++, pt++)
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PSDRV_WriteLineTo(dev, pt->x, pt->y);
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}
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HeapFree( GetProcessHeap(), 0, dev_pts );
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_PolyPolygon
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*/
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BOOL PSDRV_PolyPolygon( PHYSDEV dev, const POINT* pts, const INT* counts, UINT polygons )
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{
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DWORD polygon, total;
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INT line;
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POINT *dev_pts, *pt;
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TRACE("\n");
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for (polygon = total = 0; polygon < polygons; polygon++) total += counts[polygon];
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if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*dev_pts) ))) return FALSE;
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memcpy( dev_pts, pts, total * sizeof(*dev_pts) );
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LPtoDP( dev->hdc, dev_pts, total );
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pt = dev_pts;
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PSDRV_WriteSpool(dev, "%PolyPolygon\n",13);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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for(polygon = 0; polygon < polygons; polygon++) {
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PSDRV_WriteMoveTo(dev, pt->x, pt->y);
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pt++;
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for(line = 1; line < counts[polygon]; line++, pt++)
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PSDRV_WriteLineTo(dev, pt->x, pt->y);
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PSDRV_WriteClosePath(dev);
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}
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HeapFree( GetProcessHeap(), 0, dev_pts );
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if(GetPolyFillMode( dev->hdc ) == ALTERNATE)
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PSDRV_Brush(dev, 1);
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else /* WINDING */
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PSDRV_Brush(dev, 0);
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_PolyBezier
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*/
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BOOL PSDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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DWORD i;
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POINT *dev_pts;
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TRACE("\n");
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if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*dev_pts) ))) return FALSE;
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memcpy( dev_pts, pts, count * sizeof(*dev_pts) );
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LPtoDP( dev->hdc, dev_pts, count );
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PSDRV_WriteSpool(dev, "%PolyBezier\n",12);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteMoveTo(dev, dev_pts[0].x, dev_pts[0].y );
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for (i = 1; i < count; i += 3) PSDRV_WriteCurveTo( dev, dev_pts + i );
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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HeapFree( GetProcessHeap(), 0, dev_pts );
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_PolyBezierTo
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*/
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BOOL PSDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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DWORD i;
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POINT *dev_pts;
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TRACE("\n");
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count++; /* add initial position */
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if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*dev_pts) ))) return FALSE;
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GetCurrentPositionEx( dev->hdc, dev_pts );
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memcpy( dev_pts + 1, pts, (count - 1) * sizeof(*dev_pts) );
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LPtoDP( dev->hdc, dev_pts, count );
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PSDRV_WriteSpool(dev, "%PolyBezier\n",12);
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PSDRV_SetPen(dev);
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PSDRV_SetClip(dev);
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PSDRV_WriteMoveTo(dev, dev_pts[0].x, dev_pts[0].y );
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for (i = 1; i < count; i += 3) PSDRV_WriteCurveTo( dev, dev_pts + i );
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PSDRV_DrawLine(dev);
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PSDRV_ResetClip(dev);
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HeapFree( GetProcessHeap(), 0, dev_pts );
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_SetPixel
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*/
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COLORREF PSDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
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{
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PSCOLOR pscolor;
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POINT pt;
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pt.x = x;
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pt.y = y;
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LPtoDP( dev->hdc, &pt, 1 );
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PSDRV_SetClip(dev);
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/* we bracket the setcolor in gsave/grestore so that we don't trash
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the current pen colour */
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PSDRV_WriteGSave(dev);
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PSDRV_WriteRectangle( dev, pt.x, pt.y, 0, 0 );
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PSDRV_CreateColor( dev, &pscolor, color );
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PSDRV_WriteSetColor( dev, &pscolor );
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PSDRV_WriteFill( dev );
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PSDRV_WriteGRestore(dev);
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PSDRV_ResetClip(dev);
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return color;
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}
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/***********************************************************************
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* PSDRV_PaintRgn
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*/
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BOOL PSDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
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{
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RGNDATA *rgndata = NULL;
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RECT *pRect;
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DWORD size, i;
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TRACE("hdc=%p\n", dev->hdc);
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size = GetRegionData(hrgn, 0, NULL);
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rgndata = HeapAlloc( GetProcessHeap(), 0, size );
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if(!rgndata) {
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ERR("Can't allocate buffer\n");
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return FALSE;
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}
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GetRegionData(hrgn, size, rgndata);
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if (rgndata->rdh.nCount == 0)
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goto end;
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LPtoDP(dev->hdc, (POINT*)rgndata->Buffer, rgndata->rdh.nCount * 2);
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PSDRV_SetClip(dev);
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for(i = 0, pRect = (RECT*)rgndata->Buffer; i < rgndata->rdh.nCount; i++, pRect++)
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PSDRV_WriteRectangle(dev, pRect->left, pRect->top, pRect->right - pRect->left, pRect->bottom - pRect->top);
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PSDRV_Brush(dev, 0);
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PSDRV_WriteNewPath(dev);
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PSDRV_ResetClip(dev);
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end:
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HeapFree(GetProcessHeap(), 0, rgndata);
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return TRUE;
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}
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static BOOL paint_path( PHYSDEV dev, BOOL stroke, BOOL fill )
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{
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POINT *points;
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BYTE *types;
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BOOL ret = FALSE;
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int i, size = GetPath( dev->hdc, NULL, NULL, 0 );
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if (size == -1) return FALSE;
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if (!size)
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{
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AbortPath( dev->hdc );
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return TRUE;
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}
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points = HeapAlloc( GetProcessHeap(), 0, size * sizeof(*points) );
|
|
types = HeapAlloc( GetProcessHeap(), 0, size * sizeof(*types) );
|
|
if (!points || !types) goto done;
|
|
if (GetPath( dev->hdc, points, types, size ) == -1) goto done;
|
|
LPtoDP( dev->hdc, points, size );
|
|
|
|
if (stroke) PSDRV_SetPen(dev);
|
|
PSDRV_SetClip(dev);
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
switch (types[i])
|
|
{
|
|
case PT_MOVETO:
|
|
PSDRV_WriteMoveTo( dev, points[i].x, points[i].y );
|
|
break;
|
|
case PT_LINETO:
|
|
case PT_LINETO | PT_CLOSEFIGURE:
|
|
PSDRV_WriteLineTo( dev, points[i].x, points[i].y );
|
|
if (types[i] & PT_CLOSEFIGURE) PSDRV_WriteClosePath( dev );
|
|
break;
|
|
case PT_BEZIERTO:
|
|
case PT_BEZIERTO | PT_CLOSEFIGURE:
|
|
PSDRV_WriteCurveTo( dev, points + i );
|
|
if (types[i] & PT_CLOSEFIGURE) PSDRV_WriteClosePath( dev );
|
|
i += 2;
|
|
break;
|
|
}
|
|
}
|
|
if (fill) PSDRV_Brush( dev, GetPolyFillMode(dev->hdc) == ALTERNATE );
|
|
if (stroke) PSDRV_DrawLine(dev);
|
|
else PSDRV_WriteNewPath(dev);
|
|
PSDRV_ResetClip(dev);
|
|
AbortPath( dev->hdc );
|
|
|
|
done:
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
HeapFree( GetProcessHeap(), 0, types );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PSDRV_FillPath
|
|
*/
|
|
BOOL PSDRV_FillPath( PHYSDEV dev )
|
|
{
|
|
return paint_path( dev, FALSE, TRUE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PSDRV_StrokeAndFillPath
|
|
*/
|
|
BOOL PSDRV_StrokeAndFillPath( PHYSDEV dev )
|
|
{
|
|
return paint_path( dev, TRUE, TRUE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PSDRV_StrokePath
|
|
*/
|
|
BOOL PSDRV_StrokePath( PHYSDEV dev )
|
|
{
|
|
return paint_path( dev, TRUE, FALSE );
|
|
}
|