2 * PostScript driver graphics functions
4 * Copyright 1998 Huw D M Davies
10 #if defined(HAVE_FLOAT_H)
17 #include "debugtools.h"
20 DEFAULT_DEBUG_CHANNEL(psdrv);
23 /***********************************************************************
26 BOOL PSDRV_LineTo(DC *dc, INT x, INT y)
28 TRACE("%d %d\n", x, y);
31 PSDRV_WriteMoveTo(dc, INTERNAL_XWPTODP(dc, dc->CursPosX, dc->CursPosY),
32 INTERNAL_YWPTODP(dc, dc->CursPosX, dc->CursPosY));
33 PSDRV_WriteLineTo(dc, INTERNAL_XWPTODP(dc, x, y),
34 INTERNAL_YWPTODP(dc, x, y));
41 /***********************************************************************
44 BOOL PSDRV_Rectangle( DC *dc, INT left, INT top, INT right,
50 TRACE("%d %d - %d %d\n", left, top, right, bottom);
51 width = INTERNAL_XWSTODS(dc, right - left);
52 height = INTERNAL_YWSTODS(dc, bottom - top);
53 PSDRV_WriteRectangle(dc, INTERNAL_XWPTODP(dc, left, top),
54 INTERNAL_YWPTODP(dc, left, top),
63 /***********************************************************************
66 BOOL PSDRV_RoundRect( DC *dc, INT left, INT top, INT right,
67 INT bottom, INT ell_width, INT ell_height )
69 left = XLPTODP( dc, left );
70 right = XLPTODP( dc, right );
71 top = YLPTODP( dc, top );
72 bottom = YLPTODP( dc, bottom );
73 ell_width = XLSTODS( dc, ell_width );
74 ell_height = YLSTODS( dc, ell_height );
76 if( left > right ) { INT tmp = left; left = right; right = tmp; }
77 if( top > bottom ) { INT tmp = top; top = bottom; bottom = tmp; }
79 if(ell_width > right - left) ell_width = right - left;
80 if(ell_height > bottom - top) ell_height = bottom - top;
82 PSDRV_WriteMoveTo( dc, left, top + ell_height/2 );
83 PSDRV_WriteArc( dc, left + ell_width/2, top + ell_height/2, ell_width,
84 ell_height, 90.0, 180.0);
85 PSDRV_WriteLineTo( dc, right - ell_width/2, top );
86 PSDRV_WriteArc( dc, right - ell_width/2, top + ell_height/2, ell_width,
87 ell_height, 0.0, 90.0);
88 PSDRV_WriteLineTo( dc, right, bottom - ell_height/2 );
89 PSDRV_WriteArc( dc, right - ell_width/2, bottom - ell_height/2, ell_width,
90 ell_height, -90.0, 0.0);
91 PSDRV_WriteLineTo( dc, right - ell_width/2, bottom);
92 PSDRV_WriteArc( dc, left + ell_width/2, bottom - ell_height/2, ell_width,
93 ell_height, 180.0, -90.0);
94 PSDRV_WriteClosePath( dc );
102 /***********************************************************************
105 * Does the work of Arc, Chord and Pie. lines is 0, 1 or 2 respectively.
107 static BOOL PSDRV_DrawArc( DC *dc, INT left, INT top,
108 INT right, INT bottom,
109 INT xstart, INT ystart,
114 double start_angle, end_angle, ratio;
116 x = XLPTODP(dc, (left + right)/2);
117 y = YLPTODP(dc, (top + bottom)/2);
119 w = XLSTODS(dc, (right - left));
120 h = YLSTODS(dc, (bottom - top));
124 ratio = ((double)w)/h;
126 /* angle is the angle after the rectangle is transformed to a square and is
127 measured anticlockwise from the +ve x-axis */
129 start_angle = atan2((double)(y - ystart) * ratio, (double)(xstart - x));
130 end_angle = atan2((double)(y - yend) * ratio, (double)(xend - x));
132 start_angle *= 180.0 / PI;
133 end_angle *= 180.0 / PI;
135 if(lines == 2) /* pie */
136 PSDRV_WriteMoveTo(dc, x, y);
138 PSDRV_WriteNewPath( dc );
140 PSDRV_WriteArc(dc, x, y, w, h, start_angle, end_angle);
141 if(lines == 1 || lines == 2) { /* chord or pie */
142 PSDRV_WriteClosePath(dc);
151 /***********************************************************************
154 BOOL PSDRV_Arc( DC *dc, INT left, INT top, INT right, INT bottom,
155 INT xstart, INT ystart, INT xend, INT yend )
157 return PSDRV_DrawArc( dc, left, top, right, bottom, xstart, ystart,
161 /***********************************************************************
164 BOOL PSDRV_Chord( DC *dc, INT left, INT top, INT right, INT bottom,
165 INT xstart, INT ystart, INT xend, INT yend )
167 return PSDRV_DrawArc( dc, left, top, right, bottom, xstart, ystart,
172 /***********************************************************************
175 BOOL PSDRV_Pie( DC *dc, INT left, INT top, INT right, INT bottom,
176 INT xstart, INT ystart, INT xend, INT yend )
178 return PSDRV_DrawArc( dc, left, top, right, bottom, xstart, ystart,
183 /***********************************************************************
186 BOOL PSDRV_Ellipse( DC *dc, INT left, INT top, INT right, INT bottom)
190 TRACE("%d %d - %d %d\n", left, top, right, bottom);
192 x = XLPTODP(dc, (left + right)/2);
193 y = YLPTODP(dc, (top + bottom)/2);
195 w = XLSTODS(dc, (right - left));
196 h = YLSTODS(dc, (bottom - top));
198 PSDRV_WriteNewPath(dc);
199 PSDRV_WriteArc(dc, x, y, w, h, 0.0, 360.0);
200 PSDRV_WriteClosePath(dc);
208 /***********************************************************************
211 BOOL PSDRV_PolyPolyline( DC *dc, const POINT* pts, const DWORD* counts,
214 DWORD polyline, line;
219 for(polyline = 0; polyline < polylines; polyline++) {
220 PSDRV_WriteMoveTo(dc, INTERNAL_XWPTODP(dc, pt->x, pt->y), INTERNAL_YWPTODP(dc, pt->x, pt->y));
222 for(line = 1; line < counts[polyline]; line++) {
223 PSDRV_WriteLineTo(dc, INTERNAL_XWPTODP(dc, pt->x, pt->y), INTERNAL_YWPTODP(dc, pt->x, pt->y));
233 /***********************************************************************
236 BOOL PSDRV_Polyline( DC *dc, const POINT* pt, INT count )
238 return PSDRV_PolyPolyline( dc, pt, (LPDWORD) &count, 1 );
242 /***********************************************************************
245 BOOL PSDRV_PolyPolygon( DC *dc, const POINT* pts, const INT* counts,
253 for(polygon = 0; polygon < polygons; polygon++) {
254 PSDRV_WriteMoveTo(dc, INTERNAL_XWPTODP(dc, pt->x, pt->y), INTERNAL_YWPTODP(dc, pt->x, pt->y));
256 for(line = 1; line < counts[polygon]; line++) {
257 PSDRV_WriteLineTo(dc, INTERNAL_XWPTODP(dc, pt->x, pt->y), INTERNAL_YWPTODP(dc, pt->x, pt->y));
260 PSDRV_WriteClosePath(dc);
263 if(dc->polyFillMode == ALTERNATE)
273 /***********************************************************************
276 BOOL PSDRV_Polygon( DC *dc, const POINT* pt, INT count )
278 return PSDRV_PolyPolygon( dc, pt, &count, 1 );
282 /***********************************************************************
285 COLORREF PSDRV_SetPixel( DC *dc, INT x, INT y, COLORREF color )
287 PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
290 x = INTERNAL_XWPTODP(dc, x, y);
291 y = INTERNAL_YWPTODP(dc, x, y);
293 PSDRV_WriteRectangle( dc, x, y, 0, 0 );
294 PSDRV_CreateColor( physDev, &pscolor, color );
295 PSDRV_WriteSetColor( dc, &pscolor );
296 PSDRV_WriteFill( dc );
301 /***********************************************************************
304 VOID PSDRV_DrawLine( DC *dc )
306 PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
308 if (physDev->pen.style == PS_NULL)
309 PSDRV_WriteNewPath(dc);
311 PSDRV_WriteStroke(dc);