1 #include "Draw.h"
2
3 namespace Upp {
4
5 #define LTIMING(x) // TIMING(x)
6
AddNotEmpty(Vector<Rect> & result,int left,int right,int top,int bottom)7 void AddNotEmpty(Vector<Rect>& result, int left, int right, int top, int bottom)
8 {
9 if(left < right && top < bottom)
10 result.Add(Rect(left, top, right, bottom));
11 }
12
Subtract(const Rect & r,const Rect & sub,Vector<Rect> & result)13 bool Subtract(const Rect& r, const Rect& sub, Vector<Rect>& result)
14 {
15 LTIMING("SubtractRect0");
16 Rect is = r & sub;
17 if(!is.IsEmpty()) {
18 AddNotEmpty(result, r.left, is.left, r.top, is.top);
19 AddNotEmpty(result, is.left, is.right, r.top, is.top);
20 AddNotEmpty(result, is.right, r.right, r.top, is.top);
21 AddNotEmpty(result, r.left, is.left, is.top, is.bottom);
22 AddNotEmpty(result, is.right, r.right, is.top, is.bottom);
23 AddNotEmpty(result, r.left, is.left, is.bottom, r.bottom);
24 AddNotEmpty(result, is.left, is.right, is.bottom, r.bottom);
25 AddNotEmpty(result, is.right, r.right, is.bottom, r.bottom);
26 return true;
27 }
28 else {
29 result.Add(r);
30 return false;
31 }
32 }
33
Subtract(const Vector<Rect> & rr,const Rect & sub,Vector<Rect> & result)34 bool Subtract(const Vector<Rect>& rr, const Rect& sub, Vector<Rect>& result)
35 {
36 LTIMING("SubtractRect");
37 bool changed = false;
38 for(int i = 0; i < rr.GetCount(); i++) {
39 const Rect& r = rr[i];
40 if(Subtract(r, sub, result))
41 changed = true;
42 }
43 return changed;
44 }
45
Subtract(const Vector<Rect> & rr,const Rect & sub,bool & changed)46 Vector<Rect> Subtract(const Vector<Rect>& rr, const Rect& sub, bool& changed)
47 {
48 Vector<Rect> result;
49 if(Subtract(rr, sub, result))
50 changed = true;
51 return result;
52 }
53
Subtract(Vector<Rect> & rr,const Rect & sub)54 void Subtract(Vector<Rect>& rr, const Rect& sub)
55 {
56 LTIMING("Subtract");
57 if(sub.IsEmpty())
58 return;
59 bool dummy;
60 rr = Subtract(rr, sub, dummy);
61 }
62
Union(Vector<Rect> & rr,const Rect & add)63 void Union(Vector<Rect>& rr, const Rect& add)
64 {
65 LTIMING("Union");
66 if(add.IsEmpty())
67 return;
68 Vector<Rect> r;
69 r.Add(add);
70 for(int i = 0; i < rr.GetCount() && r.GetCount(); i++)
71 Subtract(r, rr[i]);
72 for(int i = 0; i < r.GetCount(); i++)
73 rr.Add(r[i]);
74 }
75
Intersect(const Vector<Rect> & b,const Rect & a,bool & changed)76 Vector<Rect> Intersect(const Vector<Rect>& b, const Rect& a, bool& changed)
77 {
78 Vector<Rect> result;
79 for(int i = 0; i < b.GetCount(); i++) {
80 Rect r = b[i] & a;
81 if(r.IsEmpty())
82 changed = true;
83 else {
84 if(r != b[i]) changed = true;
85 result.Add(r);
86 }
87 }
88 return result;
89 }
90
Intersection(const Vector<Rect> & b,const Rect & a)91 Vector<Rect> Intersection(const Vector<Rect>& b, const Rect& a)
92 {
93 bool dummy;
94 return Intersect(b, a, dummy);
95 }
96
AddRefreshRect(Vector<Rect> & invalid,const Rect & _r)97 void AddRefreshRect(Vector<Rect>& invalid, const Rect& _r)
98 {
99 Vector<Rect> inv;
100 Rect r = _r;
101 int ra = r.Width() * r.Height();
102 for(int i = 0; i < invalid.GetCount(); i++) {
103 const Rect& ir = invalid[i];
104 Rect ur = r | ir;
105 if(ur.Width() * ur.Height() < 2 * (ir.Width() * ir.Height() + ra))
106 r = ur;
107 else
108 if(!r.Contains(ir))
109 inv.Add(ir);
110 }
111 Vector<Rect> rs;
112 rs.Add(r);
113 for(int i = 0; i < inv.GetCount(); i++) {
114 bool ch = false;
115 Vector<Rect> rs1 = Subtract(rs, inv[i], ch);
116 if(ch) rs = pick(rs1);
117 }
118 inv.AppendPick(pick(rs));
119 invalid = pick(inv);
120 }
121
DrawFatFrame(Draw & w,int x,int y,int cx,int cy,Color color,int n)122 void DrawFatFrame(Draw& w, int x, int y, int cx, int cy, Color color, int n) {
123 if(n < 0) {
124 x += n;
125 y += n;
126 n = -n;
127 cx += 2 * n;
128 cy += 2 * n;
129 }
130 w.DrawRect(x, y, cx, n, color);
131 w.DrawRect(x, y + n, n, cy - n, color);
132 w.DrawRect(x + cx - n, y + n, n, cy - n, color);
133 w.DrawRect(x + n, y + cy - n, cx - 2 * n, n, color);
134 }
135
DrawFatFrame(Draw & w,const Rect & r,Color color,int n)136 void DrawFatFrame(Draw& w, const Rect& r, Color color, int n) {
137 DrawFatFrame(w, r.left, r.top, r.Width(), r.Height(), color, n);
138 }
139
DrawFrame(Draw & w,int x,int y,int cx,int cy,Color leftcolor,Color topcolor,Color rightcolor,Color bottomcolor)140 void DrawFrame(Draw& w, int x, int y, int cx, int cy,
141 Color leftcolor, Color topcolor, Color rightcolor, Color bottomcolor)
142 {
143 w.DrawRect(x, y, cx - 1, 1, topcolor);
144 w.DrawRect(x, y, 1, cy - 1, leftcolor);
145 w.DrawRect(x + cx - 1, y, 1, cy, rightcolor);
146 w.DrawRect(x, y + cy - 1, cx, 1, bottomcolor);
147 }
148
DrawFrame(Draw & w,const Rect & r,Color leftcolor,Color topcolor,Color rightcolor,Color bottomcolor)149 void DrawFrame(Draw& w, const Rect& r,
150 Color leftcolor, Color topcolor, Color rightcolor, Color bottomcolor)
151 {
152 DrawFrame(w, r.left, r.top, r.Width(), r.Height(),
153 leftcolor, topcolor, rightcolor, bottomcolor);
154 }
155
DrawFrame(Draw & w,int x,int y,int cx,int cy,Color topleftcolor,Color bottomrightcolor)156 void DrawFrame(Draw& w, int x, int y, int cx, int cy,
157 Color topleftcolor, Color bottomrightcolor)
158 {
159 DrawFrame(w, x, y, cx, cy, topleftcolor, topleftcolor, bottomrightcolor, bottomrightcolor);
160 }
161
DrawFrame(Draw & w,const Rect & r,Color topleftcolor,Color bottomrightcolor)162 void DrawFrame(Draw& w, const Rect& r,
163 Color topleftcolor, Color bottomrightcolor) {
164 DrawFrame(w, r, topleftcolor, topleftcolor, bottomrightcolor, bottomrightcolor);
165 }
166
DrawFrame(Draw & w,int x,int y,int cx,int cy,Color color)167 void DrawFrame(Draw& w, int x, int y, int cx, int cy, Color color) {
168 DrawFrame(w, x, y, cx, cy, color, color);
169 }
170
DrawFrame(Draw & w,const Rect & r,Color color)171 void DrawFrame(Draw& w, const Rect& r, Color color) {
172 DrawFrame(w, r, color, color);
173 }
174
DrawBorder(Draw & w,int x,int y,int cx,int cy,const ColorF * c)175 void DrawBorder(Draw& w, int x, int y, int cx, int cy, const ColorF *c) {
176 if(!c) return;
177 int n = (int)(uintptr_t)*c;
178 c++;
179 while(n--) {
180 if(cx <= 0 || cy <= 0)
181 break;
182 DrawFrame(w, x, y, cx, cy, c[0], c[1], c[2], c[3]);
183 x += 1;
184 y += 1;
185 cx -= 2;
186 cy -= 2;
187 c += 4;
188 }
189 }
190
DrawBorder(Draw & w,const Rect & r,const ColorF * c)191 void DrawBorder(Draw& w, const Rect& r, const ColorF *c) {
192 DrawBorder(w, r.left, r.top, r.Width(), r.Height(), c);
193 }
194
BlackBorder()195 const ColorF *BlackBorder()
196 {
197 static ColorF data[] = {
198 (ColorF)1,
199 &SColorText, &SColorText, &SColorText, &SColorText,
200 };
201 return data;
202 }
203
WhiteBorder()204 const ColorF *WhiteBorder()
205 {
206 static ColorF data[] = {
207 (ColorF)1,
208 &SColorPaper, &SColorPaper, &SColorPaper, &SColorPaper,
209 };
210 return data;
211 }
212
213 #define SColorEdge Black // for now
214
DefButtonBorder()215 const ColorF *DefButtonBorder()
216 {
217 static ColorF data[] = {
218 (ColorF)3,
219 &SColorEdge, &SColorEdge, &SColorEdge, &SColorEdge,
220 &SColorLight, &SColorLight, &SColorEdge, &SColorEdge,
221 &SColorLtFace, &SColorLtFace, &SColorShadow, &SColorShadow,
222 };
223 return data;
224 }
225
ButtonBorder()226 const ColorF *ButtonBorder()
227 {
228 static ColorF data[] = {
229 (ColorF)2,
230 &SColorLight, &SColorLight, &SColorEdge, &SColorEdge,
231 &SColorLtFace, &SColorLtFace, &SColorShadow, &SColorShadow,
232 };
233 return data;
234 }
235
EdgeButtonBorder()236 const ColorF *EdgeButtonBorder()
237 {
238 static ColorF data[] = {
239 (ColorF)2,
240 &SColorLtFace, &SColorLtFace, &SColorEdge, &SColorEdge,
241 &SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
242 };
243 return data;
244 }
245
ButtonPushBorder()246 const ColorF *ButtonPushBorder()
247 {
248 static ColorF data[] = {
249 (ColorF)2,
250 &SColorEdge, &SColorEdge, &SColorEdge, &SColorEdge,
251 &SColorShadow, &SColorShadow, &SColorEdge, &SColorEdge
252 };
253 return data;
254 }
255
InsetBorder()256 const ColorF *InsetBorder()
257 {
258 static ColorF data[] = {
259 (ColorF)2,
260 &SColorShadow, &SColorShadow, &SColorLight, &SColorLight,
261 &SColorEdge, &SColorEdge, &SColorFace, &SColorFace
262 };
263 return data;
264 }
265
OutsetBorder()266 const ColorF *OutsetBorder()
267 {
268 static ColorF data[] = {
269 (ColorF)2,
270 &SColorFace, &SColorFace, &SColorEdge, &SColorEdge,
271 &SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
272 };
273 return data;
274 }
275
ThinOutsetBorder()276 const ColorF *ThinOutsetBorder()
277 {
278 static ColorF data[] = {
279 (ColorF)1,
280 &SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
281 };
282 return data;
283 }
284
ThinInsetBorder()285 const ColorF *ThinInsetBorder()
286 {
287 static ColorF data[] = {
288 (ColorF)1,
289 &SColorShadow, &SColorShadow, &SColorLight, &SColorLight,
290 };
291 return data;
292 }
293
DrawBorder(Draw & w,int x,int y,int cx,int cy,const ColorF * (* colors_ltrd)())294 void DrawBorder(Draw& w, int x, int y, int cx, int cy, const ColorF *(*colors_ltrd)())
295 {
296 DrawBorder(w, x, y, cx, cy, (*colors_ltrd)());
297 }
298
DrawBorder(Draw & w,const Rect & r,const ColorF * (* colors_ltrd)())299 void DrawBorder(Draw& w, const Rect& r, const ColorF *(*colors_ltrd)())
300 {
301 DrawBorder(w, r, (*colors_ltrd)());
302 }
303
DrawRectMinusRect(Draw & w,const Rect & rect,const Rect & inner,Color color)304 void DrawRectMinusRect(Draw& w, const Rect& rect, const Rect& inner, Color color) {
305 Rect r = rect;
306 r.bottom = inner.top;
307 w.DrawRect(r, color);
308 r = inner;
309 r.right = r.left;
310 r.left = rect.left;
311 w.DrawRect(r, color);
312 r.left = inner.right;
313 r.right = rect.right;
314 w.DrawRect(r, color);
315 r = rect;
316 r.top = inner.bottom;
317 w.DrawRect(r, color);
318 }
319
DrawRect(Draw & w,int x,int y,int cx,int cy,const Image & img,bool ra)320 void DrawRect(Draw& w, int x, int y, int cx, int cy, const Image& img, bool ra) {
321 w.Clip(x, y, cx, cy);
322 Size sz = img.GetSize();
323 for(int a = ra ? x : x / sz.cx * sz.cx; a < x + cx; a += sz.cx)
324 for(int b = ra ? y : y / sz.cy * sz.cy ; b < y + cy; b += sz.cy)
325 w.DrawImage(a, b, img);
326 w.End();
327 }
328
DrawRect(Draw & w,const Rect & rect,const Image & img,bool ralgn)329 void DrawRect(Draw& w, const Rect& rect, const Image& img, bool ralgn)
330 {
331 DrawRect(w, rect.left, rect.top, rect.Width(), rect.Height(), img, ralgn);
332 }
333
DrawDragLine(Draw & w,bool horz,int x,int y,int len,int n,const int * pattern,Color color,int animation)334 void DrawDragLine(Draw& w, bool horz, int x, int y, int len, int n, const int *pattern, Color color, int animation)
335 {
336 if(len <= 0)
337 return;
338 if(horz)
339 w.Clip(x, y, len, n);
340 else
341 w.Clip(x, y, n, len);
342
343 Color color2 = IsDark(color) ? White() : Black();
344 (horz ? x : y) -= animation;
345 len += animation;
346 bool ch = false;
347 while(len > 0) {
348 int segment = pattern[ch];
349 int pause = pattern[2];
350 if(horz) {
351 w.DrawRect(x, y, segment, n, color);
352 x += segment;
353 w.DrawRect(x, y, pause, n, color2);
354 x += pause;
355 }
356 else {
357 w.DrawRect(x, y, n, segment, color);
358 y += segment;
359 w.DrawRect(x, y, n, pause, color2);
360 y += pause;
361 }
362 len -= pause + segment;
363 ch = !ch;
364 }
365 w.End();
366 }
367
DrawDragFrame(Draw & w,const Rect & r,int n,const int * pattern,Color color,int animation)368 void DrawDragFrame(Draw& w, const Rect& r, int n, const int *pattern, Color color, int animation)
369 {
370 DrawDragLine(w, true, r.left, r.top, r.GetWidth(), n, pattern, color, animation);
371 DrawDragLine(w, false, r.left, r.top + n, r.GetHeight() - 2 * n, n, pattern, color, animation);
372 if(r.right - n != r.left)
373 DrawDragLine(w, false, r.right - n, r.top + n, r.GetHeight() - 2 * n, n, pattern, color, animation);
374 if(r.bottom - n != r.top)
375 DrawDragLine(w, true, r.left, r.bottom - n, r.GetWidth(), n, pattern, color, animation);
376 }
377
DrawDragFrame(Draw & w,const Rect & r,int n,int pattern,Color color,int animation)378 void DrawDragFrame(Draw& w, const Rect& r, int n, int pattern, Color color, int animation)
379 {
380 static int dashes[3][3] = {
381 { 32, 32, 0 },
382 { 1, 1, 1 },
383 { 5, 1, 2 },
384 };
385 DrawDragFrame(w, r, n, dashes[clamp(pattern, 0, 2)], color, animation);
386 }
387
DrawTiles(Draw & w,int x,int y,int cx,int cy,const Image & img)388 void DrawTiles(Draw& w, int x, int y, int cx, int cy, const Image& img) {
389 w.Clip(x, y, cx, cy);
390 Size sz = img.GetSize();
391 for(int a = x; a < x + cx; a += sz.cx)
392 for(int b = y; b < y + cy; b += sz.cy)
393 w.DrawImage(a, b, img);
394 w.End();
395 }
396
DrawTiles(Draw & w,const Rect & rect,const Image & img)397 void DrawTiles(Draw& w, const Rect& rect, const Image& img)
398 {
399 DrawTiles(w, rect.left, rect.top, rect.GetWidth(), rect.GetHeight(), img);
400 }
401
DrawHighlightImage(Draw & w,int x,int y,const Image & img,bool highlight,bool enabled,Color maskcolor)402 void DrawHighlightImage(Draw& w, int x, int y, const Image& img, bool highlight,
403 bool enabled, Color maskcolor)
404 {
405 if(highlight) {
406 w.DrawImage(x + 1, y, img, maskcolor);
407 w.DrawImage(x - 1, y, img, maskcolor);
408 w.DrawImage(x, y + 1, img, maskcolor);
409 w.DrawImage(x, y - 1, img, maskcolor);
410 }
411 w.DrawImage(x, y, enabled ? img : MakeImage(img, Etched));
412 }
413
GradientColor(Color fc,Color tc,int i,int n)414 Color GradientColor(Color fc, Color tc, int i, int n)
415 {
416 return Color(
417 fc.GetR() + i * (tc.GetR() - fc.GetR()) / n,
418 fc.GetG() + i * (tc.GetG() - fc.GetG()) / n,
419 fc.GetB() + i * (tc.GetB() - fc.GetB()) / n
420 );
421 }
422
PaintButtonRect(Draw & w,Rect & r,Color left,Color top,Color right,Color bottom,Color & topleft,Color & topright,Color & bottomleft,Color & bottomright)423 void PaintButtonRect(Draw& w, Rect& r,
424 Color left, Color top, Color right, Color bottom,
425 Color& topleft, Color& topright, Color& bottomleft, Color& bottomright)
426 {
427 w.DrawRect(r.left, r.top, 1, 1, topleft);
428 w.DrawRect(r.right - 1, r.top, 1, 1, topright);
429 w.DrawRect(r.left, r.bottom - 1, 1, 1, bottomleft);
430 w.DrawRect(r.right - 1, r.bottom - 1, 1, 1, bottomright);
431
432 Color b1, b2;
433 w.DrawRect(r.left + 1, r.top, 1, 1, b1 = Blend(topleft, top, 160));
434 w.DrawRect(r.left, r.top + 1, 1, 1, b2 = Blend(topleft, left, 160));
435 w.DrawRect(r.left + 2, r.top, 1, 1, Blend(b1, top));
436 w.DrawRect(r.left, r.top + 2, 1, 1, Blend(b2, left));
437 topleft = Blend(b1, b2);
438
439 w.DrawRect(r.right - 2, r.top, 1, 1, b1 = Blend(topright, top, 160));
440 w.DrawRect(r.right - 1, r.top + 1, 1, 1, b2 = Blend(topright, right, 160));
441 w.DrawRect(r.right - 3, r.top, 1, 1, Blend(b1, top));
442 w.DrawRect(r.right - 1, r.top + 2, 1, 1, Blend(b2, right));
443 topright = Blend(b1, b2);
444
445 w.DrawRect(r.left + 1, r.bottom - 1, 1, 1, b1 = Blend(bottomleft, bottom, 160));
446 w.DrawRect(r.left, r.bottom - 2, 1, 1, b2 = Blend(bottomleft, left, 160));
447 w.DrawRect(r.left + 2, r.bottom - 1, 1, 1, Blend(b1, bottom));
448 w.DrawRect(r.left, r.bottom - 3, 1, 1, Blend(b2, left));
449 bottomleft = Blend(b1, b2);
450
451 w.DrawRect(r.right - 2, r.bottom - 1, 1, 1, b1 = Blend(bottomright, bottom, 160));
452 w.DrawRect(r.right - 1, r.bottom - 2, 1, 1, b2 = Blend(bottomright, right, 160));
453 w.DrawRect(r.right - 3, r.bottom - 1, 1, 1, Blend(b1, bottom));
454 w.DrawRect(r.right - 1, r.bottom - 3, 1, 1, Blend(b2, right));
455 bottomright = Blend(b1, b2);
456
457 w.DrawRect(r.left + 3, r.top, r.Width() - 6, 1, top);
458 w.DrawRect(r.left, r.top + 3, 1, r.Height() - 6, left);
459 w.DrawRect(r.right - 1, r.top + 3, 1, r.Height() - 6, right);
460 w.DrawRect(r.left + 3, r.bottom - 1, r.Width() - 6, 1, bottom);
461
462 r.Deflate(1, 1);
463 }
464
DrawXPButton(Draw & w,Rect r,int type)465 void DrawXPButton(Draw& w, Rect r, int type)
466 {
467 Color outlight = SColorLight;
468 Color outshade = Blend(SColorShadow, SColorFace);
469 Color light = SColorLight;
470 Color shade = SColorShadow;
471 Color frame = Blend(SColorHighlight, SColorText);
472 Color mark = Null;
473 Color topleft = SColorFace;
474 int markblend = 0;
475
476 if(type & BUTTON_EDGE)
477 frame = Blend(SColorHighlight, SColorLight);
478
479 if(type & BUTTON_TOOL) {
480 frame = SColorDisabled;
481 light = Blend(SColorFace, light);
482 }
483
484 if(type & BUTTON_SCROLL) {
485 outlight = SColorFace;
486 shade = outshade = SColorFace;
487 frame = Blend(SColorHighlight, SColorShadow);
488 }
489
490 switch(type & 15) {
491 case BUTTON_OK:
492 mark = Blend(Blue, SColorLight);
493 markblend = 130;
494 break;
495 case BUTTON_HIGHLIGHT:
496 if(!(type & BUTTON_SCROLL)) {
497 mark = Blend(Yellow, LtRed, 100);
498 markblend = 130;
499 }
500 break;
501 case BUTTON_PUSH:
502 light = shade = Blend(SColorHighlight, SColorFace, 235);
503 break;
504 case BUTTON_DISABLED:
505 frame = SColorDisabled;
506 outlight = outshade = light = shade = SColorFace;
507 break;
508 case BUTTON_CHECKED:
509 if(type & BUTTON_TOOL)
510 light = shade = SColorLight;
511 else
512 light = shade = Blend(SColorHighlight, SColorFace);
513 break;
514 }
515
516 Color topright = topleft;
517 Color bottomleft = topleft;
518 Color bottomright = topleft;
519
520 if(type & BUTTON_EDGE) {
521 DrawFrame(w, r, frame);
522 light = Blend(frame, SColorLight);
523 shade = Blend(frame, SColorShadow);
524 w.DrawRect(r.left, r.top, 1, 1, light);
525 w.DrawRect(r.right - 1, r.top, 1, 1, light);
526 w.DrawRect(r.left, r.bottom - 1, 1, 1, light);
527 w.DrawRect(r.right - 1, r.bottom - 1, 1, 1, light);
528 r.Deflate(1, 1);
529 switch(type & 15) {
530 case BUTTON_HIGHLIGHT:
531 light = Blend(light, SColorLight);
532 shade = Blend(shade, SColorLight);
533 break;
534 case BUTTON_PUSH:
535 light = shade = Blend(SColorHighlight, SColorFace);
536 break;
537 }
538 }
539 else {
540 if(!(type & BUTTON_TOOL))
541 PaintButtonRect(w, r, outshade, outshade, outlight, outlight, topleft, topright, bottomleft, bottomright);
542 PaintButtonRect(w, r, frame, frame, frame, frame, topleft, topright, bottomleft, bottomright);
543 Color hc = Blend(light, mark, markblend);
544 Color sc = Blend(shade, mark, markblend);
545 PaintButtonRect(w, r, hc, hc, sc, sc, topleft, topright, bottomleft, bottomright);
546 if(markblend) {
547 DrawFrame(w, r, Blend(hc, mark, markblend), Blend(sc, mark, markblend));
548 r.Deflate(1, 1);
549 }
550 }
551
552 if(type & BUTTON_SCROLL)
553 switch(type & 15) {
554 case BUTTON_PUSH:
555 light = shade = Blend(SColorFace, SColorHighlight);
556 break;
557 case BUTTON_HIGHLIGHT:
558 light = shade = Blend(SColorLight, SColorHighlight, 40);
559 break;
560 default:
561 light = Blend(SColorLight, SColorHighlight, 80);
562 shade = Blend(SColorFace, SColorHighlight, 80);
563 }
564
565 Color b1 = Blend(light, shade, 80);
566 Color bs = Blend(shade, SColorFace);
567 if(type & BUTTON_VERTICAL) {
568 int wd = r.Width();
569 int w1 = 4 * wd / 5;
570 for(int i = 0; i < wd; i++)
571 w.DrawRect(r.left + i, r.top, 1, r.Height(), i < w1 ? Blend(light, b1, 255 * i / w1)
572 : Blend(b1, bs, 255 * (i - w1) / (wd - w1)));
573 }
574 else {
575 int h = r.Height();
576 int h1 = 4 * h / 5;
577 for(int i = 0; i < h; i++)
578 w.DrawRect(r.left, r.top + i, r.Width(), 1, i < h1 ? Blend(light, b1, 255 * i / h1)
579 : Blend(b1, bs, 255 * (i - h1) / (h - h1)));
580 }
581 }
582
583 static DrawingToPdfFnType sPdf;
584
SetDrawingToPdfFn(DrawingToPdfFnType Pdf)585 void SetDrawingToPdfFn(DrawingToPdfFnType Pdf)
586 {
587 sPdf = Pdf;
588 }
589
GetDrawingToPdfFn()590 DrawingToPdfFnType GetDrawingToPdfFn()
591 {
592 return sPdf;
593 }
594
595 Image (*render_glyph)(int cx, int x, Font font, int chr, int py, int pcy);
596
RenderGlyph(int cx,int x,Font font,int chr,int py,int pcy)597 Image RenderGlyph(int cx, int x, Font font, int chr, int py, int pcy)
598 {
599 if(render_glyph)
600 return (*render_glyph)(cx, x, font, chr, py, pcy);
601 if(ImageAnyDraw::IsAvailable()) {
602 ImageAnyDraw iw(cx, pcy);
603 iw.DrawRect(0, 0, cx, pcy, White);
604 iw.DrawText(x, -py, WString(chr, 1), font, Black);
605 return iw;
606 }
607 return Null;
608 }
609
SetRenderGlyph(Image (* f)(int cx,int x,Font font,int chr,int py,int pcy))610 void SetRenderGlyph(Image (*f)(int cx, int x, Font font, int chr, int py, int pcy))
611 {
612 render_glyph = f;
613 }
614
615
616 // this is nasty solution: We need to be able to restore GL viewport in GLTextureDraw for GLCtrl
617 // Draw is package used by both GLDraw and GLCtrl, so let us hide a little global function
618 // pointer here...
619
__anonf48ec2370102null620 void (*restore_gl_viewport__)() = [] {};
621
622 }
623