1 | /* |
---|
2 | * Abuse - dark 2D side-scrolling platform game |
---|
3 | * Copyright (c) 1995 Crack dot Com |
---|
4 | * Copyright (c) 2005-2011 Sam Hocevar <sam@hocevar.net> |
---|
5 | * |
---|
6 | * This software was released into the Public Domain. As with most public |
---|
7 | * domain software, no warranty is made or implied by Crack dot Com, by |
---|
8 | * Jonathan Clark, or by Sam Hocevar. |
---|
9 | */ |
---|
10 | |
---|
11 | #if defined HAVE_CONFIG_H |
---|
12 | # include "config.h" |
---|
13 | #endif |
---|
14 | |
---|
15 | #include <math.h> |
---|
16 | #include <stdlib.h> |
---|
17 | |
---|
18 | #include "common.h" |
---|
19 | |
---|
20 | #include "image.h" |
---|
21 | |
---|
22 | linked_list image_list; // FIXME: only jwindow.cpp needs this |
---|
23 | |
---|
24 | image_descriptor::image_descriptor(vec2i size, |
---|
25 | int keep_dirties, int static_memory) |
---|
26 | { |
---|
27 | m_clipx1 = 0; m_clipy1 = 0; |
---|
28 | m_l = size.x; m_h = size.y; |
---|
29 | m_clipx2 = m_l; m_clipy2 = m_h; |
---|
30 | keep_dirt = keep_dirties; |
---|
31 | static_mem = static_memory; |
---|
32 | } |
---|
33 | |
---|
34 | void image::SetSize(vec2i new_size, uint8_t *page) |
---|
35 | { |
---|
36 | DeletePage(); |
---|
37 | m_size = new_size; |
---|
38 | MakePage(new_size, page); |
---|
39 | } |
---|
40 | |
---|
41 | void image::MakePage(vec2i size, uint8_t *page_buffer) |
---|
42 | { |
---|
43 | m_data = page_buffer ? page_buffer : (uint8_t *)malloc(size.x * size.y); |
---|
44 | } |
---|
45 | |
---|
46 | void image::DeletePage() |
---|
47 | { |
---|
48 | if(!m_special || !m_special->static_mem) |
---|
49 | free(m_data); |
---|
50 | } |
---|
51 | |
---|
52 | image::~image() |
---|
53 | { |
---|
54 | if(m_locked) |
---|
55 | { |
---|
56 | fprintf(stderr, "Error: image is locked upon deletion\n"); |
---|
57 | Unlock(); |
---|
58 | } |
---|
59 | |
---|
60 | image_list.unlink(this); |
---|
61 | DeletePage(); |
---|
62 | delete m_special; |
---|
63 | } |
---|
64 | |
---|
65 | uint8_t image::Pixel(vec2i pos) |
---|
66 | { |
---|
67 | CONDITION(pos.x >= 0 && pos.x < m_size.x && pos.y >= 0 && pos.y < m_size.y, |
---|
68 | "image::Pixel Bad pixel xy"); |
---|
69 | return scan_line(pos.y)[pos.x]; |
---|
70 | } |
---|
71 | |
---|
72 | void image::PutPixel(vec2i pos, uint8_t color) |
---|
73 | { |
---|
74 | CONDITION(pos.x >= 0 && pos.x < m_size.x && pos.y >= 0 && pos.y < m_size.y, |
---|
75 | "image::PutPixel Bad pixel xy"); |
---|
76 | |
---|
77 | if (m_special && |
---|
78 | pos.x >= m_special->x1_clip() && pos.x < m_special->x2_clip() && |
---|
79 | pos.y >= m_special->y1_clip() && pos.y < m_special->y2_clip()) |
---|
80 | return; |
---|
81 | |
---|
82 | scan_line(pos.y)[pos.x] = color; |
---|
83 | } |
---|
84 | |
---|
85 | |
---|
86 | image::image(vec2i size, uint8_t *page_buffer, int create_descriptor) |
---|
87 | { |
---|
88 | m_size = size; |
---|
89 | m_special = NULL; |
---|
90 | if (create_descriptor || page_buffer) |
---|
91 | m_special = new image_descriptor(size, create_descriptor == 2, |
---|
92 | (page_buffer != NULL)); |
---|
93 | MakePage(size, page_buffer); |
---|
94 | image_list.add_end(this); |
---|
95 | m_locked = false; |
---|
96 | } |
---|
97 | |
---|
98 | image::image(bFILE *fp, spec_entry *e /* = NULL */) |
---|
99 | { |
---|
100 | if (e) |
---|
101 | fp->seek(e->offset, 0); |
---|
102 | m_size.x = fp->read_uint16(); |
---|
103 | m_size.y = fp->read_uint16(); |
---|
104 | m_special = NULL; |
---|
105 | MakePage(m_size, NULL); |
---|
106 | for (int i = 0; i < m_size.y; i++) |
---|
107 | fp->read(scan_line(i), m_size.x); |
---|
108 | image_list.add_end(this); |
---|
109 | m_locked = false; |
---|
110 | } |
---|
111 | |
---|
112 | void image::Lock() |
---|
113 | { |
---|
114 | /* This is currently a no-op, because it's unneeded with SDL */ |
---|
115 | |
---|
116 | if(m_locked) |
---|
117 | fprintf(stderr, "Trying to lock a locked picture!\n"); |
---|
118 | m_locked = true; |
---|
119 | } |
---|
120 | |
---|
121 | void image::Unlock() |
---|
122 | { |
---|
123 | /* This is currently a no-op, because it's unneeded with SDL */ |
---|
124 | |
---|
125 | if(!m_locked) |
---|
126 | fprintf(stderr, "Trying to unlock an unlocked picture!\n"); |
---|
127 | m_locked = false; |
---|
128 | } |
---|
129 | |
---|
130 | void image_uninit() |
---|
131 | { |
---|
132 | while (image_list.first()) |
---|
133 | { |
---|
134 | image *im = (image *)image_list.first(); |
---|
135 | image_list.unlink(im); |
---|
136 | delete im; |
---|
137 | } |
---|
138 | } |
---|
139 | |
---|
140 | |
---|
141 | void image_init() |
---|
142 | { |
---|
143 | ; |
---|
144 | } |
---|
145 | |
---|
146 | void image::clear(int16_t color) |
---|
147 | { |
---|
148 | Lock(); |
---|
149 | if(color == -1) |
---|
150 | color = 0; // transparent |
---|
151 | if(m_special) |
---|
152 | { |
---|
153 | if(m_special->x1_clip() < m_special->x2_clip()) |
---|
154 | for(int j = m_special->y1_clip(); j <m_special->y2_clip(); j++) |
---|
155 | memset(scan_line(j) + m_special->x1_clip(), color, |
---|
156 | m_special->x2_clip() - m_special->x1_clip()); |
---|
157 | } |
---|
158 | else |
---|
159 | for(int j = 0; j < m_size.y; j++) |
---|
160 | memset(scan_line(j), color, m_size.x); |
---|
161 | AddDirty(0, 0, m_size.x, m_size.y); |
---|
162 | Unlock(); |
---|
163 | } |
---|
164 | |
---|
165 | image *image::copy() |
---|
166 | { |
---|
167 | Lock(); |
---|
168 | image *im = new image(m_size); |
---|
169 | im->Lock(); |
---|
170 | for(int j = 0; j < m_size.y; j++) |
---|
171 | memcpy(im->scan_line(j), scan_line(j), m_size.x); |
---|
172 | im->Unlock(); |
---|
173 | Unlock(); |
---|
174 | return im; |
---|
175 | } |
---|
176 | |
---|
177 | void image::Line(vec2i p1, vec2i p2, uint8_t color) |
---|
178 | { |
---|
179 | int xc, yc, er, n, m, xi, yi, xcxi, ycyi, xcyi; |
---|
180 | unsigned int dcy, dcx; |
---|
181 | |
---|
182 | int cx1, cy1, cx2, cy2; |
---|
183 | |
---|
184 | // check to see if the line is completly clipped off |
---|
185 | GetClip(cx1, cy1, cx2, cy2); |
---|
186 | if ((p1.x < cx1 && p2.x < cx1) || (p1.x >= cx2 && p2.x >= cx2) || |
---|
187 | (p1.y < cy1 && p2.y < cy1) || (p1.y >= cy2 && p2.y >= cy2)) |
---|
188 | return; |
---|
189 | |
---|
190 | if (p1.x > p2.x) // make sure that p1.x is to the left |
---|
191 | { |
---|
192 | vec2i tmp = p1; p1 = p2; p2 = tmp; // if not swap points |
---|
193 | } |
---|
194 | |
---|
195 | // clip the left side |
---|
196 | if (p1.x < cx1) |
---|
197 | { |
---|
198 | vec2i m = p2 - p1; |
---|
199 | |
---|
200 | if (!m.x) |
---|
201 | return; |
---|
202 | if (m.y) |
---|
203 | { |
---|
204 | int b = p1.y - m.y * p1.x / m.x; |
---|
205 | p1.y = b + m.y * cx1 / m.x; |
---|
206 | } |
---|
207 | p1.x = cx1; |
---|
208 | } |
---|
209 | |
---|
210 | // clip the right side |
---|
211 | if (p2.x >= cx2) |
---|
212 | { |
---|
213 | vec2i m = p2 - p1; |
---|
214 | if (!m.x) |
---|
215 | return; |
---|
216 | if (m.y) |
---|
217 | { |
---|
218 | int b = p1.y - m.y * p1.x / m.x; |
---|
219 | p2.y = b + m.y * (cx2 - 1) / m.x; |
---|
220 | } |
---|
221 | p2.x = cx2 - 1; |
---|
222 | } |
---|
223 | |
---|
224 | if (p1.y > p2.y) // make sure that p1.y is on top |
---|
225 | { |
---|
226 | vec2i tmp = p1; p1 = p2; p2 = tmp; // if not swap points |
---|
227 | } |
---|
228 | |
---|
229 | // clip the bottom |
---|
230 | if (p2.y >= cy2) |
---|
231 | { |
---|
232 | vec2i m = p2 - p1; |
---|
233 | if (!m.y) |
---|
234 | return; |
---|
235 | if (m.x) |
---|
236 | { |
---|
237 | int b = p1.y - (p2.y - p1.y) * p1.x / m.x; |
---|
238 | p2.x = (cy2 - 1 - b) * m.x / m.y; |
---|
239 | } |
---|
240 | p2.y = cy2 - 1; |
---|
241 | } |
---|
242 | |
---|
243 | // clip the top |
---|
244 | if (p1.y < cy1) |
---|
245 | { |
---|
246 | vec2i m = p2 - p1; |
---|
247 | if (!m.y) |
---|
248 | return; |
---|
249 | if (m.x) |
---|
250 | { |
---|
251 | int b = p1.y - m.y * p1.x / m.x; |
---|
252 | p1.x = (cy1 - b) * m.x / m.y; |
---|
253 | } |
---|
254 | p1.y = cy1; |
---|
255 | } |
---|
256 | |
---|
257 | // see if it got cliped into the box, out out |
---|
258 | if (p1.x < cx1 || p2.x < cx1 || p1.x >= cx2 || p2.x >= cx2 |
---|
259 | || p1.y < cy1 || p2.y < cy1 || p1.y >= cy2 || p2.y >= cy2) |
---|
260 | return; |
---|
261 | |
---|
262 | if (p1.x > p2.x) |
---|
263 | { |
---|
264 | xc = p2.x; xi = p1.x; |
---|
265 | } |
---|
266 | else |
---|
267 | { |
---|
268 | xi = p2.x; |
---|
269 | xc = p1.x; |
---|
270 | } |
---|
271 | |
---|
272 | // assume p1.y <= p2.y from above swap operation |
---|
273 | yi = p2.y; yc = p1.y; |
---|
274 | |
---|
275 | AddDirty(xc, yc, xi + 1, yi + 1); |
---|
276 | dcx = p1.x; dcy = p1.y; |
---|
277 | xc = (p2.x - p1.x); |
---|
278 | yc = (p2.y - p1.y); |
---|
279 | xi = (xc < 0) ? -1 : 1; |
---|
280 | yi = (yc < 0) ? -1 : 1; |
---|
281 | n = abs(xc); |
---|
282 | m = abs(yc); |
---|
283 | ycyi = abs(2 * yc * xi); |
---|
284 | er = 0; |
---|
285 | |
---|
286 | Lock(); |
---|
287 | if (n > m) |
---|
288 | { |
---|
289 | xcxi = abs(2 * xc * xi); |
---|
290 | for (int i = 0; i <= n; i++) |
---|
291 | { |
---|
292 | scan_line(dcy)[dcx] = color; |
---|
293 | if (er > 0) |
---|
294 | { |
---|
295 | dcy += yi; |
---|
296 | er -= xcxi; |
---|
297 | } |
---|
298 | er += ycyi; |
---|
299 | dcx += xi; |
---|
300 | } |
---|
301 | } |
---|
302 | else |
---|
303 | { |
---|
304 | xcyi = abs(2 * xc * yi); |
---|
305 | for (int i = 0; i <= m; i++) |
---|
306 | { |
---|
307 | scan_line(dcy)[dcx] = color; |
---|
308 | if (er > 0) |
---|
309 | { |
---|
310 | dcx += xi; |
---|
311 | er -= ycyi; |
---|
312 | } |
---|
313 | er += xcyi; |
---|
314 | dcy += yi; |
---|
315 | } |
---|
316 | } |
---|
317 | Unlock(); |
---|
318 | } |
---|
319 | |
---|
320 | |
---|
321 | void image::PutImage(image *im, vec2i pos, int transparent) |
---|
322 | { |
---|
323 | int16_t i, j, xl, yl; |
---|
324 | uint8_t *pg1, *pg2, *source, *dest; |
---|
325 | |
---|
326 | // the screen is clipped then we only want to put part of the image |
---|
327 | if(m_special) |
---|
328 | { |
---|
329 | PutPart(im, pos.x, pos.y, 0, 0, im->m_size.x-1, im->m_size.y-1, transparent); |
---|
330 | return; |
---|
331 | } |
---|
332 | |
---|
333 | if(pos.x < m_size.x && pos.y < m_size.y) |
---|
334 | { |
---|
335 | xl = im->m_size.x; |
---|
336 | if(pos.x + xl > m_size.x) // clip to the border of the screen |
---|
337 | xl = m_size.x - pos.x; |
---|
338 | yl = im->m_size.y; |
---|
339 | if(pos.y + yl > m_size.y) |
---|
340 | yl = m_size.y - pos.y; |
---|
341 | |
---|
342 | int startx = 0, starty = 0; |
---|
343 | if(pos.x < 0) |
---|
344 | { |
---|
345 | startx = -pos.x; |
---|
346 | pos.x = 0; |
---|
347 | } |
---|
348 | if(pos.y < 0) |
---|
349 | { |
---|
350 | starty = -pos.y; |
---|
351 | pos.y = 0; |
---|
352 | } |
---|
353 | |
---|
354 | if(xl < 0 || yl < 0) |
---|
355 | return; |
---|
356 | |
---|
357 | AddDirty(pos.x, pos.y, pos.x + xl, pos.y + yl); |
---|
358 | Lock(); |
---|
359 | im->Lock(); |
---|
360 | for(j = starty; j < yl; j++, pos.y++) |
---|
361 | { |
---|
362 | pg1 = scan_line(pos.y); |
---|
363 | pg2 = im->scan_line(j); |
---|
364 | if(transparent) |
---|
365 | { |
---|
366 | for(i = startx, source = pg2+startx, dest = pg1 + pos.x; |
---|
367 | i < xl; |
---|
368 | i++, source++, dest++) |
---|
369 | { |
---|
370 | if (*source) |
---|
371 | *dest = *source; |
---|
372 | } |
---|
373 | } |
---|
374 | else |
---|
375 | memcpy(&pg1[pos.x], pg2, xl); // straight copy |
---|
376 | } |
---|
377 | im->Unlock(); |
---|
378 | Unlock(); |
---|
379 | } |
---|
380 | } |
---|
381 | |
---|
382 | void image::fill_image(image *screen, int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t align) |
---|
383 | { |
---|
384 | int16_t i, j, w, xx, start, xl, starty; |
---|
385 | uint8_t *pg1, *pg2; |
---|
386 | CHECK(x1<=x2 && y1<=y2); // we should have gotten this |
---|
387 | |
---|
388 | if (screen->m_special) |
---|
389 | { x1=screen->m_special->bound_x1(x1); |
---|
390 | y1=screen->m_special->bound_y1(y1); |
---|
391 | x2=screen->m_special->bound_x2(x2+1)-1; |
---|
392 | y2=screen->m_special->bound_y2(y2+1)-1; |
---|
393 | } |
---|
394 | else |
---|
395 | { if (x1<0) x1=0; |
---|
396 | if (y2<0) y1=0; |
---|
397 | if (x2>=screen->Size().x) x2=screen->Size().x-1; |
---|
398 | if (y2>=screen->Size().y) y2=screen->Size().y-1; |
---|
399 | } |
---|
400 | if (x2<0 || y2<0 || x1>=screen->Size().x || y1>=screen->Size().y) |
---|
401 | return ; |
---|
402 | screen->AddDirty(x1, y1, x2 + 1, y2 + 1); |
---|
403 | w=m_size.x; |
---|
404 | if (align) |
---|
405 | { |
---|
406 | start=x1%w; |
---|
407 | starty=y1%m_size.y; |
---|
408 | } |
---|
409 | else |
---|
410 | { start=0; |
---|
411 | starty=0; |
---|
412 | } |
---|
413 | screen->Lock(); |
---|
414 | Lock(); |
---|
415 | for (j=y1; j<=y2; j++) |
---|
416 | { |
---|
417 | pg1=screen->scan_line(j); |
---|
418 | pg2=scan_line(starty++); |
---|
419 | if (starty>=m_size.y) starty=0; |
---|
420 | i=x1; |
---|
421 | xx=start; |
---|
422 | while (i<=x2) |
---|
423 | { |
---|
424 | xl=Min(w-xx, x2-i+1); |
---|
425 | |
---|
426 | memcpy(&pg1[i], &pg2[xx], xl); |
---|
427 | xx=0; |
---|
428 | i+=xl; |
---|
429 | } |
---|
430 | } |
---|
431 | Unlock(); |
---|
432 | screen->Unlock(); |
---|
433 | } |
---|
434 | |
---|
435 | |
---|
436 | void image::PutPart(image *im, int16_t x, int16_t y, int16_t x1, int16_t y1, |
---|
437 | int16_t x2, int16_t y2, char transparent) |
---|
438 | { |
---|
439 | int16_t xlen, ylen, j, i; |
---|
440 | uint8_t *pg1, *pg2, *source, *dest; |
---|
441 | CHECK(x1<=x2 && y1<=y2); |
---|
442 | |
---|
443 | int cx1, cy1, cx2, cy2; |
---|
444 | GetClip(cx1, cy1, cx2, cy2); |
---|
445 | |
---|
446 | // see if the are to be put is outside of actual image, if so adjust |
---|
447 | // to fit in the image |
---|
448 | if (x1<0) { x+=-x1; x1=0; } |
---|
449 | if (y1<0) { y+=-y1; y1=0; } |
---|
450 | if (x2>=im->m_size.x) x2=im->m_size.x-1; |
---|
451 | if (y2>=im->m_size.y) y2=im->m_size.y-1; |
---|
452 | if (x1>x2 || y1>y2) return ; // return if it was adjusted so that nothing will be put |
---|
453 | |
---|
454 | // see if the image gets clipped off the screen |
---|
455 | if (x >= cx2 || y >= cy2 || x + (x2 - x1) < cx1 || y + (y2 - y1) < cy1) |
---|
456 | return ; |
---|
457 | |
---|
458 | if (x<cx1) |
---|
459 | { x1+=(cx1-x); x=cx1; } |
---|
460 | if (y<cy1) |
---|
461 | { y1+=(cy1-y); y=cy1; } |
---|
462 | |
---|
463 | if (x + x2 - x1 + 1 >= cx2) |
---|
464 | { x2 = cx2 - 1 - x + x1; } |
---|
465 | |
---|
466 | if (y + y2 - y1 + 1 >= cy2) |
---|
467 | { y2 = cy2 - 1 - y + y1; } |
---|
468 | if (x1>x2 || y1>y2) return ; |
---|
469 | |
---|
470 | xlen=x2-x1+1; |
---|
471 | ylen=y2-y1+1; |
---|
472 | |
---|
473 | AddDirty(x, y, x + xlen, y + ylen); |
---|
474 | |
---|
475 | Lock(); |
---|
476 | im->Lock(); |
---|
477 | |
---|
478 | if (transparent) |
---|
479 | { |
---|
480 | for (j=0; j<ylen; j++) |
---|
481 | { |
---|
482 | pg1 = scan_line(y + j); |
---|
483 | pg2 = im->scan_line(y1 + j); |
---|
484 | for (i=0, source=&pg2[x1], dest=&pg1[x]; i<xlen; i++, source++, dest++) |
---|
485 | if (*source) *dest=*source; |
---|
486 | } |
---|
487 | } |
---|
488 | else |
---|
489 | for (j=0; j<ylen; j++) |
---|
490 | { |
---|
491 | pg1 = scan_line(y + j); |
---|
492 | pg2 = im->scan_line(y1 + j); |
---|
493 | memcpy(&pg1[x], &pg2[x1], xlen); // strait copy |
---|
494 | } |
---|
495 | im->Unlock(); |
---|
496 | Unlock(); |
---|
497 | } |
---|
498 | |
---|
499 | void image::PutPartXrev(image *im, int16_t x, int16_t y, int16_t x1, |
---|
500 | int16_t y1, int16_t x2, int16_t y2, char transparent) |
---|
501 | { |
---|
502 | int16_t xl, yl, j, i; |
---|
503 | uint8_t *pg1, *pg2, *source, *dest; |
---|
504 | CHECK(x1<=x2 && y1<=y2); |
---|
505 | |
---|
506 | i=x1; x1=im->m_size.x-x2-1; // reverse the x locations |
---|
507 | x2=im->m_size.x-i-1; |
---|
508 | |
---|
509 | if (x1<0) |
---|
510 | { x-=x1; x1=0; } |
---|
511 | if (y1<0) |
---|
512 | { y-=y1; y1=0; } |
---|
513 | |
---|
514 | if (m_special) |
---|
515 | { |
---|
516 | int cx1, cy1, cx2, cy2; |
---|
517 | m_special->GetClip(cx1, cy1, cx2, cy2); |
---|
518 | // FIXME: don't we need < cx1 instead of < 0 here? |
---|
519 | if (x >= cx2 || y >= cy2 || x + (x2 - x1) < 0 || y + (y2 - y1) < 0) |
---|
520 | return; |
---|
521 | if (x<cx1) |
---|
522 | { x1+=(cx1-x); x=cx1; } |
---|
523 | if (y<cy1) |
---|
524 | { y1+=(cy1-y); y=cy1; } |
---|
525 | if (x + x2 - x1 + 1 >= cx2) |
---|
526 | { x2 = cx2 - 1 - x + x1; } |
---|
527 | if (y + y2 - y1 + 1 >= cy2) |
---|
528 | { y2 = cy2 - 1 - y + y1; } |
---|
529 | } |
---|
530 | else if (x > m_size.x || y > m_size.y || x+x2<0 || y+y2<0) |
---|
531 | return ; |
---|
532 | |
---|
533 | if (x<m_size.x && y<m_size.y && x1<im->m_size.x && y1<im->m_size.y && |
---|
534 | x1<=x2 && y1<=y2) |
---|
535 | { |
---|
536 | if (x2>=im->m_size.x) |
---|
537 | x2=im->m_size.x-1; |
---|
538 | if (y2>=im->m_size.y) |
---|
539 | y2=im->m_size.y-1; |
---|
540 | xl=x2-x1+1; |
---|
541 | if (x+xl>m_size.x) |
---|
542 | xl=m_size.x-x; |
---|
543 | yl=y2-y1+1; |
---|
544 | if (y+yl>m_size.y) |
---|
545 | yl=m_size.y-y; |
---|
546 | AddDirty(x, y, x + xl, y + yl); |
---|
547 | Lock(); |
---|
548 | im->Lock(); |
---|
549 | for (j=0; j<yl; j++) |
---|
550 | { |
---|
551 | pg1=scan_line(y+j); |
---|
552 | pg2=im->scan_line(y1+j); |
---|
553 | if (transparent) |
---|
554 | { |
---|
555 | for (i=0, source=&pg2[x1], dest=&pg1[x+xl-1]; i<xl; i++, source++, dest--) |
---|
556 | if (*source) *dest=*source; |
---|
557 | } |
---|
558 | else |
---|
559 | for (i=0, source=&pg2[x1], dest=&pg1[x+xl-1]; i<xl; i++, source++, dest++) |
---|
560 | *dest=*source; |
---|
561 | } |
---|
562 | Unlock(); |
---|
563 | im->Unlock(); |
---|
564 | } |
---|
565 | } |
---|
566 | |
---|
567 | void image::PutPartMasked(image *im, image *mask, int16_t x, int16_t y, |
---|
568 | int16_t maskx, int16_t masky, |
---|
569 | int16_t x1, int16_t y1, int16_t x2, int16_t y2) |
---|
570 | { |
---|
571 | int16_t xl, yl, j, i, ml, mh; |
---|
572 | uint8_t *pg1, *pg2, *pg3; |
---|
573 | CHECK(x1<=x2 && y1<=y2); |
---|
574 | |
---|
575 | if (m_special) |
---|
576 | { |
---|
577 | int cx1, cy1, cx2, cy2; |
---|
578 | m_special->GetClip(cx1, cy1, cx2, cy2); |
---|
579 | if (x >= cx2 || y >= cy2 || x+(x2-x1)<0 || y+(y2-y1)<0) return ; |
---|
580 | if (x<cx1) |
---|
581 | { x1+=(cx1-x); x=cx1; } |
---|
582 | if (y<cy1) |
---|
583 | { y1+=(cy1-y); y=cy1; } |
---|
584 | if (x + x2 - x1 >= cx2) |
---|
585 | { x2 = cx2 - 1 + x1 - x; } |
---|
586 | if (y + y2 - y1 >= cy2) |
---|
587 | { y2 = cy2 - 1 + y1 - y; } |
---|
588 | } |
---|
589 | else if (x>m_size.x || y>m_size.y || x+x1<0 || y+y1<0) |
---|
590 | return ; |
---|
591 | |
---|
592 | ml=mask->Size().x; |
---|
593 | mh=mask->Size().y; |
---|
594 | if (x<m_size.x && y<m_size.y && x1<im->m_size.x && y1<im->m_size.y && |
---|
595 | maskx<ml && masky<mh && x1<=x2 && y1<=y2) |
---|
596 | { |
---|
597 | |
---|
598 | if (x2>=im->m_size.x) |
---|
599 | x2=im->m_size.x-1; |
---|
600 | if (y2>=im->m_size.y) |
---|
601 | y2=im->m_size.y-1; |
---|
602 | xl=x2-x1+1; |
---|
603 | if (x+xl>m_size.x) |
---|
604 | xl=m_size.x-x-1; |
---|
605 | yl=y2-y1+1; |
---|
606 | if (y+yl>m_size.y) |
---|
607 | yl=m_size.y-y-1; |
---|
608 | AddDirty(x, y, x + xl, y + yl); |
---|
609 | Lock(); |
---|
610 | mask->Lock(); |
---|
611 | im->Lock(); |
---|
612 | for (j=0; j<yl; j++) |
---|
613 | { |
---|
614 | pg1=scan_line(y+j); |
---|
615 | pg2=im->scan_line(y1+j); |
---|
616 | pg3=mask->scan_line(masky++); |
---|
617 | if (masky>=mh) // wrap the mask around if out of bounds |
---|
618 | masky=0; |
---|
619 | for (i=0; i<xl; i++) |
---|
620 | { |
---|
621 | if (pg3[maskx+i]) // check to make sure not 0 before putting |
---|
622 | pg1[x+i]=pg2[x1+i]; |
---|
623 | if (maskx>=ml) // wrap x around if it goes to far |
---|
624 | maskx=0; |
---|
625 | } |
---|
626 | } |
---|
627 | im->Unlock(); |
---|
628 | mask->Unlock(); |
---|
629 | Unlock(); |
---|
630 | } |
---|
631 | } |
---|
632 | |
---|
633 | void image::Rectangle(vec2i p1, vec2i p2, uint8_t color) |
---|
634 | { |
---|
635 | Line(p1, vec2i(p2.x, p1.y), color); |
---|
636 | Line(vec2i(p2.x, p1.y), p2, color); |
---|
637 | Line(vec2i(p1.x, p2.y), p2, color); |
---|
638 | Line(p1, vec2i(p1.x, p2.y), color); |
---|
639 | } |
---|
640 | |
---|
641 | void image::SetClip(int x1, int y1, int x2, int y2) |
---|
642 | { |
---|
643 | // If the image does not already have an Image descriptor, allocate one |
---|
644 | // with no dirty rectangle keeping. |
---|
645 | if(!m_special) |
---|
646 | m_special = new image_descriptor(m_size.x, m_size.y, 0); |
---|
647 | |
---|
648 | // set the image descriptor what the clip |
---|
649 | // should be it will adjust to fit within the image. |
---|
650 | m_special->SetClip(x1, y1, x2, y2); |
---|
651 | } |
---|
652 | |
---|
653 | void image::GetClip(int &x1, int &y1, int &x2, int &y2) |
---|
654 | { |
---|
655 | if (m_special) |
---|
656 | m_special->GetClip(x1, y1, x2, y2); |
---|
657 | else |
---|
658 | { |
---|
659 | x1 = 0; y1 = 0; x2 = m_size.x; y2 = m_size.y; |
---|
660 | } |
---|
661 | } |
---|
662 | |
---|
663 | void image::InClip(int x1, int y1, int x2, int y2) |
---|
664 | { |
---|
665 | if (m_special) |
---|
666 | { |
---|
667 | x1 = Min(x1, m_special->x1_clip()); |
---|
668 | y1 = Min(y1, m_special->y1_clip()); |
---|
669 | x2 = Max(x2, m_special->x2_clip()); |
---|
670 | y2 = Max(y2, m_special->y2_clip()); |
---|
671 | } |
---|
672 | |
---|
673 | SetClip(x1, y1, x2, y2); |
---|
674 | } |
---|
675 | |
---|
676 | // |
---|
677 | // reduce the number of dirty rectanges to 1 by finding the minmum area that |
---|
678 | // can contain all the rectangles and making this the new dirty area |
---|
679 | // |
---|
680 | void image_descriptor::ReduceDirties() |
---|
681 | { |
---|
682 | dirty_rect *p = (dirty_rect *)dirties.first(); |
---|
683 | int x1 = 6000, y1 = 6000, x2 = -1, y2 = -1; |
---|
684 | |
---|
685 | for (int i = dirties.Count(); i--; ) |
---|
686 | { |
---|
687 | x1 = Min(x1, p->dx1); y1 = Min(y1, p->dy1); |
---|
688 | x2 = Max(x1, p->dx1); y2 = Max(y1, p->dy1); |
---|
689 | dirty_rect *tmp = (dirty_rect *)p->Next(); |
---|
690 | dirties.unlink(p); |
---|
691 | delete p; |
---|
692 | p = tmp; |
---|
693 | } |
---|
694 | dirties.add_front(new dirty_rect(x1, y1, x2, y2)); |
---|
695 | } |
---|
696 | |
---|
697 | void image_descriptor::delete_dirty(int x1, int y1, int x2, int y2) |
---|
698 | { |
---|
699 | int ax1, ay1, ax2, ay2; |
---|
700 | dirty_rect *p, *next; |
---|
701 | |
---|
702 | if (!keep_dirt) |
---|
703 | return; |
---|
704 | |
---|
705 | x1 = Max(0, x1); x2 = Min(m_l, x2); |
---|
706 | y1 = Max(0, y1); y2 = Min(m_h, y2); |
---|
707 | |
---|
708 | if (x1 >= x2 || y1 >= y2) |
---|
709 | return; |
---|
710 | |
---|
711 | int i = dirties.Count(); |
---|
712 | if (!i) |
---|
713 | return; |
---|
714 | |
---|
715 | for (p = (dirty_rect *)dirties.first(); i; i--, p = next) |
---|
716 | { |
---|
717 | next = (dirty_rect *)p->Next(); |
---|
718 | |
---|
719 | // are the two touching? |
---|
720 | if (x2 <= p->dx1 || y2 <= p->dy1 || x1 > p->dx2 || y1 > p->dy2) |
---|
721 | continue; |
---|
722 | |
---|
723 | // does it take a x slice off? (across) |
---|
724 | if (x2 >= p->dx2 + 1 && x1 <= p->dx1) |
---|
725 | { |
---|
726 | if (y2 >= p->dy2 + 1 && y1 <= p->dy1) |
---|
727 | { |
---|
728 | dirties.unlink(p); |
---|
729 | delete p; |
---|
730 | } |
---|
731 | else if (y2 >= p->dy2 + 1) |
---|
732 | p->dy2 = y1 - 1; |
---|
733 | else if (y1 <= p->dy1) |
---|
734 | p->dy1 = y2; |
---|
735 | else |
---|
736 | { |
---|
737 | dirties.add_front(new dirty_rect(p->dx1, p->dy1, p->dx2, y1-1)); |
---|
738 | p->dy1 = y2; |
---|
739 | } |
---|
740 | } |
---|
741 | // does it take a y slice off (down) |
---|
742 | else if (y2 - 1>=p->dy2 && y1<=p->dy1) |
---|
743 | { |
---|
744 | if (x2 - 1>=p->dx2) |
---|
745 | p->dx2=x1-1; |
---|
746 | else if (x1<=p->dx1) |
---|
747 | p->dx1=x2; |
---|
748 | else |
---|
749 | { |
---|
750 | dirties.add_front(new dirty_rect(p->dx1, p->dy1, x1-1, p->dy2)); |
---|
751 | p->dx1=x2; |
---|
752 | } |
---|
753 | } |
---|
754 | // otherwise it just takes a little chunk off |
---|
755 | else |
---|
756 | { |
---|
757 | if (x2 - 1>=p->dx2) { ax1=p->dx1; ax2=x1; } |
---|
758 | else if (x1<=p->dx1) { ax1=x2; ax2=p->dx2+1; } |
---|
759 | else { ax1=p->dx1; ax2=x1; } |
---|
760 | if (y2 - 1>=p->dy2) { ay1=y1; ay2=p->dy2+1; } |
---|
761 | else if (y1<=p->dy1) { ay1=p->dy1; ay2=y2; } |
---|
762 | else { ay1=y1; ay2=y2; } |
---|
763 | dirties.add_front(new dirty_rect(ax1, ay1, ax2-1, ay2-1)); |
---|
764 | |
---|
765 | if (x2 - 1>=p->dx2 || x1<=p->dx1) { ax1=p->dx1; ax2=p->dx2+1; } |
---|
766 | else { ax1=x2; ax2=p->dx2+1; } |
---|
767 | |
---|
768 | if (y2 - 1>=p->dy2) |
---|
769 | { if (ax1==p->dx1) { ay1=p->dy1; ay2=y1; } |
---|
770 | else { ay1=y1; ay2=p->dy2+1; } } |
---|
771 | else if (y1<=p->dy1) { if (ax1==p->dx1) { ay1=y2; ay2=p->dy2+1; } |
---|
772 | else { ay1=p->dy1; ay2=y2; } } |
---|
773 | else { if (ax1==p->dx1) { ay1=p->dy1; ay2=y1; } |
---|
774 | else { ay1=y1; ay2=y2; } } |
---|
775 | dirties.add_front(new dirty_rect(ax1, ay1, ax2 - 1, ay2 - 1)); |
---|
776 | |
---|
777 | if (x1>p->dx1 && x2 - 1<p->dx2) |
---|
778 | { |
---|
779 | if (y1>p->dy1 && y2 - 1<p->dy2) |
---|
780 | { |
---|
781 | dirties.add_front(new dirty_rect(p->dx1, p->dy1, p->dx2, y1-1)); |
---|
782 | dirties.add_front(new dirty_rect(p->dx1, y2, p->dx2, p->dy2)); |
---|
783 | } |
---|
784 | else if (y1<=p->dy1) |
---|
785 | dirties.add_front(new dirty_rect(p->dx1, y2, p->dx2, p->dy2)); |
---|
786 | else |
---|
787 | dirties.add_front(new dirty_rect(p->dx1, p->dy1, p->dx2, y1-1)); |
---|
788 | } |
---|
789 | else if (y1>p->dy1 && y2 - 1<p->dy2) |
---|
790 | dirties.add_front(new dirty_rect(p->dx1, y2, p->dx2, p->dy2)); |
---|
791 | dirties.unlink(p); |
---|
792 | delete p; |
---|
793 | } |
---|
794 | } |
---|
795 | } |
---|
796 | |
---|
797 | // specifies that an area is a dirty |
---|
798 | void image_descriptor::AddDirty(int x1, int y1, int x2, int y2) |
---|
799 | { |
---|
800 | dirty_rect *p; |
---|
801 | if (!keep_dirt) |
---|
802 | return; |
---|
803 | |
---|
804 | x1 = Max(0, x1); x2 = Min(m_l, x2); |
---|
805 | y1 = Max(0, y1); y2 = Min(m_h, y2); |
---|
806 | |
---|
807 | if (x1 >= x2 || y1 >= y2) |
---|
808 | return; |
---|
809 | |
---|
810 | int i = dirties.Count(); |
---|
811 | if (!i) |
---|
812 | dirties.add_front(new dirty_rect(x1, y1, x2 - 1, y2 - 1)); |
---|
813 | else if (i >= MAX_DIRTY) |
---|
814 | { |
---|
815 | dirties.add_front(new dirty_rect(x1, y1, x2 - 1, y2 - 1)); |
---|
816 | ReduceDirties(); // reduce to one dirty rectangle, we have to many |
---|
817 | } |
---|
818 | else |
---|
819 | { |
---|
820 | for (p=(dirty_rect *)dirties.first(); i>0; i--) |
---|
821 | { |
---|
822 | |
---|
823 | // check to see if this new rectangle completly encloses the check rectangle |
---|
824 | if (x1<=p->dx1 && y1<=p->dy1 && x2>=p->dx2+1 && y2>=p->dy2+1) |
---|
825 | { |
---|
826 | dirty_rect *tmp=(dirty_rect*) p->Next(); |
---|
827 | dirties.unlink(p); |
---|
828 | delete p; |
---|
829 | if (!dirties.first()) |
---|
830 | i=0; |
---|
831 | else p=tmp; |
---|
832 | } |
---|
833 | else if (!(x2 - 1 <p->dx1 || y2 - 1 <p->dy1 || x1>p->dx2 || y1>p->dy2)) |
---|
834 | { |
---|
835 | |
---|
836 | |
---|
837 | |
---|
838 | /* if (x1<=p->dx1) { a+=p->dx1-x1; ax1=x1; } else ax1=p->dx1; |
---|
839 | if (y1<=p->dy1) { a+=p->dy1-y1; ay1=y1; } else ay1=p->dy1; |
---|
840 | if (x2 - 1 >=p->dx2) { a+=x2 - 1 -p->dx2; ax2=x2 - 1; } else ax2=p->dx2; |
---|
841 | if (y2 - 1 >=p->dy2) { a+=y2 - 1 -p->dy2; ay2=y2 - 1; } else ay2=p->dy2; |
---|
842 | |
---|
843 | if (a<50) |
---|
844 | { p->dx1=ax1; // then expand the dirty |
---|
845 | p->dy1=ay1; |
---|
846 | p->dx2=ax2; |
---|
847 | p->dy2=ay2; |
---|
848 | return ; |
---|
849 | } |
---|
850 | else */ |
---|
851 | { |
---|
852 | if (x1<p->dx1) |
---|
853 | AddDirty(x1, Max(y1, p->dy1), p->dx1, Min(y2, p->dy2 + 1)); |
---|
854 | if (x2>p->dx2+1) |
---|
855 | AddDirty(p->dx2+1, Max(y1, p->dy1), x2, Min(y2, p->dy2 + 1)); |
---|
856 | if (y1<p->dy1) |
---|
857 | AddDirty(x1, y1, x2, p->dy1); |
---|
858 | if (y2 - 1>p->dy2) |
---|
859 | AddDirty(x1, p->dy2+1, x2, y2); |
---|
860 | return ; |
---|
861 | } |
---|
862 | p=(dirty_rect *)p->Next(); |
---|
863 | } else p=(dirty_rect *)p->Next(); |
---|
864 | |
---|
865 | } |
---|
866 | CHECK(x1 < x2 && y1 < y2); |
---|
867 | dirties.add_end(new dirty_rect(x1, y1, x2 - 1, y2 - 1)); |
---|
868 | } |
---|
869 | } |
---|
870 | |
---|
871 | void image::Bar(vec2i p1, vec2i p2, uint8_t color) |
---|
872 | { |
---|
873 | if (p1.x > p2.x || p1.y > p2.y) |
---|
874 | return; |
---|
875 | if (m_special) |
---|
876 | { |
---|
877 | p1.x = m_special->bound_x1(p1.x); |
---|
878 | p1.y = m_special->bound_y1(p1.y); |
---|
879 | p2.x = m_special->bound_x2(p2.x + 1) - 1; |
---|
880 | p2.y = m_special->bound_y2(p2.y + 1) - 1; |
---|
881 | } |
---|
882 | else |
---|
883 | { |
---|
884 | p1.x = Max(p1.x, 0); |
---|
885 | p1.y = Max(p1.y, 0); |
---|
886 | p2.x = Min(p2.x, m_size.x - 1); |
---|
887 | p2.y = Min(p2.y, m_size.y - 1); |
---|
888 | } |
---|
889 | if (p2.x < 0 || p2.y < 0 || p1.x >= m_size.x || p1.y >= m_size.y |
---|
890 | || p2.x < p1.x || p2.y < p1.y) |
---|
891 | return; |
---|
892 | |
---|
893 | Lock(); |
---|
894 | for (int y = p1.y; y <= p2.y; y++) |
---|
895 | memset(scan_line(y) + p1.x, color, (p2.x - p1.x + 1)); |
---|
896 | Unlock(); |
---|
897 | AddDirty(p1.x, p1.y, p2.x + 1, p2.y + 1); |
---|
898 | } |
---|
899 | |
---|
900 | void image::xor_bar (int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint8_t color) |
---|
901 | { |
---|
902 | int16_t y, x; |
---|
903 | if (x1>x2 || y1>y2) return ; |
---|
904 | if (m_special) |
---|
905 | { x1=m_special->bound_x1(x1); |
---|
906 | y1=m_special->bound_y1(y1); |
---|
907 | x2=m_special->bound_x2(x2+1)-1; |
---|
908 | y2=m_special->bound_y2(y2+1)-1; |
---|
909 | } |
---|
910 | else |
---|
911 | { if (x1<0) x1=0; |
---|
912 | if (y1<0) y1=0; |
---|
913 | if (x2>=m_size.x) x2=m_size.x-1; |
---|
914 | if (y2>=m_size.y) y2=m_size.y-1; |
---|
915 | } |
---|
916 | if (x2<0 || y2<0 || x1>=m_size.x || y1>=m_size.y || x2<x1 || y2<y1) |
---|
917 | return ; |
---|
918 | |
---|
919 | Lock(); |
---|
920 | uint8_t *sl=scan_line(y1)+x1; |
---|
921 | for (y=y1; y<=y2; y++) |
---|
922 | { |
---|
923 | uint8_t *s=sl; |
---|
924 | for (x=x1; x<=x2; x++, s++) |
---|
925 | *s=(*s)^color; |
---|
926 | sl+=m_size.x; |
---|
927 | } |
---|
928 | Unlock(); |
---|
929 | |
---|
930 | AddDirty(x1, y1, x2 + 1, y2 + 1); |
---|
931 | } |
---|
932 | |
---|
933 | |
---|
934 | void image::unpack_scanline(int16_t line, char bitsperpixel) |
---|
935 | { |
---|
936 | int16_t x; |
---|
937 | uint8_t *sl, *ex, mask, bt, sh; |
---|
938 | ex=(uint8_t *)malloc(m_size.x); |
---|
939 | |
---|
940 | Lock(); |
---|
941 | sl=scan_line(line); |
---|
942 | memcpy(ex, sl, m_size.x); |
---|
943 | Unlock(); |
---|
944 | |
---|
945 | if (bitsperpixel==1) { mask=128; bt=8; } |
---|
946 | else if (bitsperpixel==2) { mask=128+64; bt=4; } |
---|
947 | else { mask=128+64+32+16; bt=2; } |
---|
948 | |
---|
949 | for (x=0; x<m_size.x; x++) |
---|
950 | { sh=((x%bt)<<(bitsperpixel-1)); |
---|
951 | sl[x]=(ex[x/bt]&(mask>>sh))>>(bt-sh-1); |
---|
952 | } |
---|
953 | |
---|
954 | free((char *)ex); |
---|
955 | } |
---|
956 | |
---|
957 | void image::dither(palette *pal) |
---|
958 | { |
---|
959 | int16_t x, y, j; |
---|
960 | uint8_t dt_matrix[]={ 0, 136, 24, 170, |
---|
961 | 68, 204, 102, 238, |
---|
962 | 51, 187, 17, 153, |
---|
963 | 119, 255, 85, 221}; |
---|
964 | |
---|
965 | uint8_t *sl; |
---|
966 | Lock(); |
---|
967 | for (y = 0; y < m_size.y; y++) |
---|
968 | { |
---|
969 | sl=scan_line(y); |
---|
970 | for (j=y%4, x=0; x < m_size.x; x++) |
---|
971 | sl[x] = (pal->red(sl[x]) > dt_matrix[j * 4 + (x & 3)]) ? 255 : 0; |
---|
972 | } |
---|
973 | Unlock(); |
---|
974 | } |
---|
975 | |
---|
976 | void image_descriptor::ClearDirties() |
---|
977 | { |
---|
978 | dirty_rect *dr = (dirty_rect *)dirties.first(); |
---|
979 | while (dr) |
---|
980 | { |
---|
981 | dirties.unlink(dr); |
---|
982 | delete dr; |
---|
983 | dr = (dirty_rect *)dirties.first(); |
---|
984 | } |
---|
985 | } |
---|
986 | |
---|
987 | void image::Scale(vec2i new_size) |
---|
988 | { |
---|
989 | vec2i old_size = m_size; |
---|
990 | uint8_t *im = (uint8_t *)malloc(old_size.x * old_size.y); |
---|
991 | Lock(); |
---|
992 | memcpy(im, scan_line(0), old_size.x * old_size.y); |
---|
993 | |
---|
994 | DeletePage(); |
---|
995 | MakePage(new_size, NULL); |
---|
996 | m_size = new_size; // set the new height and width |
---|
997 | |
---|
998 | uint8_t *sl1, *sl2; |
---|
999 | int y, y2, x2; |
---|
1000 | double yc, xc, yd, xd; |
---|
1001 | |
---|
1002 | yc = (double)old_size.y / (double)new_size.y; |
---|
1003 | xc = (double)old_size.x / (double)new_size.x; |
---|
1004 | for (y2 = 0, yd = 0; y2 < new_size.y; yd += yc, y2++) |
---|
1005 | { |
---|
1006 | y = (int)yd; |
---|
1007 | sl1 = im + y * old_size.x; |
---|
1008 | sl2 = scan_line(y2); |
---|
1009 | for (xd = 0, x2 = 0; x2 < new_size.x; xd += xc, x2++) |
---|
1010 | sl2[x2] = sl1[(int)xd]; |
---|
1011 | } |
---|
1012 | free(im); |
---|
1013 | if (m_special) |
---|
1014 | m_special->Resize(new_size); |
---|
1015 | Unlock(); |
---|
1016 | } |
---|
1017 | |
---|
1018 | void image::scroll(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t xd, int16_t yd) |
---|
1019 | { |
---|
1020 | CHECK(x1>=0 && y1>=0 && x1<x2 && y1<y2 && x2<m_size.x && y2<m_size.y); |
---|
1021 | if (m_special) |
---|
1022 | { |
---|
1023 | int cx1, cy1, cx2, cy2; |
---|
1024 | m_special->GetClip(cx1, cy1, cx2, cy2); |
---|
1025 | x1=Max(x1, cx1); y1=Max(cy1, y1); x2=Min(x2, cx2 - 1); y2=Min(y2, cy2 - 1); |
---|
1026 | } |
---|
1027 | int16_t xsrc, ysrc, xdst, ydst, xtot=x2-x1-abs(xd)+1, ytot, xt; |
---|
1028 | uint8_t *src, *dst; |
---|
1029 | if (xd<0) { xsrc=x1-xd; xdst=x1; } else { xsrc=x2-xd; xdst=x2; } |
---|
1030 | if (yd<0) { ysrc=y1-yd; ydst=y1; } else { ysrc=y2-yd; ydst=y2; } |
---|
1031 | for (ytot=y2-y1-abs(yd)+1; ytot; ytot--) |
---|
1032 | { src=scan_line(ysrc)+xsrc; |
---|
1033 | dst=scan_line(ydst)+xdst; |
---|
1034 | if (xd<0) |
---|
1035 | for (xt = 0; xt < xtot; xt++) |
---|
1036 | *dst++ = *src++; |
---|
1037 | else for (xt = 0; xt < xtot; xt++) |
---|
1038 | *dst-- = *src--; |
---|
1039 | if (yd<0) { ysrc++; ydst++; } else { ysrc--; ydst--; } |
---|
1040 | } |
---|
1041 | AddDirty(x1, y1, x2 + 1, y2 + 1); |
---|
1042 | } |
---|
1043 | |
---|
1044 | |
---|
1045 | image *image::create_smooth(int16_t smoothness) |
---|
1046 | { |
---|
1047 | int16_t i, j, k, l, t, d; |
---|
1048 | image *im; |
---|
1049 | CHECK(smoothness>=0); |
---|
1050 | if (!smoothness) return NULL; |
---|
1051 | d=smoothness*2+1; |
---|
1052 | d=d*d; |
---|
1053 | im=new image(m_size); |
---|
1054 | for (i=0; i<m_size.x; i++) |
---|
1055 | for (j=0; j<m_size.y; j++) |
---|
1056 | { |
---|
1057 | for (t=0, k=-smoothness; k<=smoothness; k++) |
---|
1058 | for (l=-smoothness; l<=smoothness; l++) |
---|
1059 | if (i+k>smoothness && i+k<m_size.x-smoothness && j+l<m_size.y-smoothness && j+l>smoothness) |
---|
1060 | t+=Pixel(vec2i(i+k, j+l)); |
---|
1061 | else t+=Pixel(vec2i(i, j)); |
---|
1062 | im->PutPixel(vec2i(i, j), t/d); |
---|
1063 | } |
---|
1064 | return im; |
---|
1065 | } |
---|
1066 | |
---|
1067 | void image::WidgetBar(vec2i p1, vec2i p2, |
---|
1068 | uint8_t light, uint8_t med, uint8_t dark) |
---|
1069 | { |
---|
1070 | Line(p1, vec2i(p2.x, p1.y), light); |
---|
1071 | Line(p1, vec2i(p1.x, p2.y), light); |
---|
1072 | Line(vec2i(p2.x, p1.y + 1), p2, dark); |
---|
1073 | Line(vec2i(p1.x + 1, p2.y), vec2i(p2.x - 1, p2.y - 1), dark); |
---|
1074 | Bar(p1 + vec2i(1, 1), p2 - vec2i(1, 1), med); |
---|
1075 | } |
---|
1076 | |
---|
1077 | class fill_rec |
---|
1078 | { |
---|
1079 | public : |
---|
1080 | int16_t x, y; |
---|
1081 | fill_rec *last; |
---|
1082 | fill_rec(int16_t X, int16_t Y, fill_rec *Last) |
---|
1083 | { x=X; y=Y; last=Last; } |
---|
1084 | } ; |
---|
1085 | |
---|
1086 | void image::flood_fill(int16_t x, int16_t y, uint8_t color) |
---|
1087 | { |
---|
1088 | uint8_t *sl, *above, *below; |
---|
1089 | fill_rec *recs=NULL, *r; |
---|
1090 | uint8_t fcolor; |
---|
1091 | Lock(); |
---|
1092 | sl=scan_line(y); |
---|
1093 | fcolor=sl[x]; |
---|
1094 | if (fcolor==color) return ; |
---|
1095 | do |
---|
1096 | { |
---|
1097 | if (recs) |
---|
1098 | { r=recs; |
---|
1099 | recs=recs->last; |
---|
1100 | x=r->x; y=r->y; |
---|
1101 | delete r; |
---|
1102 | } |
---|
1103 | sl=scan_line(y); |
---|
1104 | if (sl[x]==fcolor) |
---|
1105 | { |
---|
1106 | while (sl[x]==fcolor && x>0) x--; |
---|
1107 | if (sl[x]!=fcolor) x++; |
---|
1108 | if (y>0) |
---|
1109 | { |
---|
1110 | above=scan_line(y-1); |
---|
1111 | if (above[x]==fcolor) |
---|
1112 | { r=new fill_rec(x, y-1, recs); |
---|
1113 | recs=r; |
---|
1114 | } |
---|
1115 | } |
---|
1116 | if (y<m_size.y-1) |
---|
1117 | { |
---|
1118 | above=scan_line(y+1); |
---|
1119 | if (above[x]==fcolor) |
---|
1120 | { r=new fill_rec(x, y+1, recs); |
---|
1121 | recs=r; |
---|
1122 | } |
---|
1123 | } |
---|
1124 | |
---|
1125 | |
---|
1126 | |
---|
1127 | do |
---|
1128 | { |
---|
1129 | sl[x]=color; |
---|
1130 | if (y>0) |
---|
1131 | { above=scan_line(y-1); |
---|
1132 | if (x>0 && above[x-1]!=fcolor && above[x]==fcolor) |
---|
1133 | { r=new fill_rec(x, y-1, recs); |
---|
1134 | recs=r; |
---|
1135 | } |
---|
1136 | } |
---|
1137 | if (y<m_size.y-1) |
---|
1138 | { below=scan_line(y+1); |
---|
1139 | if (x>0 && below[x-1]!=fcolor && below[x]==fcolor) |
---|
1140 | { r=new fill_rec(x, y+1, recs); |
---|
1141 | recs=r; |
---|
1142 | } |
---|
1143 | } |
---|
1144 | x++; |
---|
1145 | } while (sl[x]==fcolor && x<m_size.x); |
---|
1146 | x--; |
---|
1147 | if (y>0) |
---|
1148 | { |
---|
1149 | above=scan_line(y-1); |
---|
1150 | if (above[x]==fcolor) |
---|
1151 | { r=new fill_rec(x, y-1, recs); |
---|
1152 | recs=r; |
---|
1153 | } |
---|
1154 | } |
---|
1155 | if (y<m_size.y-1) |
---|
1156 | { |
---|
1157 | above=scan_line(y+1); |
---|
1158 | if (above[x]==fcolor) |
---|
1159 | { r=new fill_rec(x, y+1, recs); |
---|
1160 | recs=r; |
---|
1161 | } |
---|
1162 | } |
---|
1163 | } |
---|
1164 | } while (recs); |
---|
1165 | Unlock(); |
---|
1166 | } |
---|
1167 | |
---|
1168 | |
---|
1169 | #define LED_L 5 |
---|
1170 | #define LED_H 5 |
---|
1171 | void image::burn_led(int16_t x, int16_t y, int32_t num, int16_t color, int16_t scale) |
---|
1172 | { |
---|
1173 | char st[100]; |
---|
1174 | int16_t ledx[]={ 1, 2, 1, 2, 3, 3, 3, 3, 1, 2, 0, 0, 0, 0}; |
---|
1175 | int16_t ledy[]={ 3, 3, 0, 0, 1, 2, 4, 6, 7, 7, 4, 6, 1, 2}; |
---|
1176 | |
---|
1177 | int16_t dig[]={ 2+4+8+16+32+64, 4+8, 2+4+1+32+16, 2+4+1+8+16, 64+1+4+8, |
---|
1178 | 2+64+1+8+16, 64+32+1+8+16, 2+4+8, 1+2+4+8+16+32+64, 64+2+4+1+8, 1}; |
---|
1179 | int16_t xx, yy, zz; |
---|
1180 | sprintf(st, "%8ld", (long int)num); |
---|
1181 | for (xx=0; xx<8; xx++) |
---|
1182 | { |
---|
1183 | if (st[xx]!=' ') |
---|
1184 | { |
---|
1185 | if (st[xx]=='-') |
---|
1186 | zz=10; |
---|
1187 | else |
---|
1188 | zz=st[xx]-'0'; |
---|
1189 | for (yy=0; yy<7; yy++) |
---|
1190 | if ((1<<yy)&dig[zz]) |
---|
1191 | Line(vec2i(x+ledx[yy*2]*scale, y+ledy[yy*2]*scale), |
---|
1192 | vec2i(x+ledx[yy*2+1]*scale, y+ledy[yy*2+1]*scale), color); |
---|
1193 | } |
---|
1194 | x+=6*scale; |
---|
1195 | } |
---|
1196 | } |
---|
1197 | |
---|
1198 | uint8_t dither_matrix[]={ 0, 136, 24, 170, |
---|
1199 | 68, 204, 102, 238, |
---|
1200 | 51, 187, 17, 153, |
---|
1201 | 119, 255, 85, 221}; |
---|
1202 | |
---|
1203 | image *image::copy_part_dithered (int16_t x1, int16_t y1, int16_t x2, int16_t y2) |
---|
1204 | { |
---|
1205 | int x, y, cx1, cy1, cx2, cy2, ry, rx, bo, dity, ditx; |
---|
1206 | image *ret; |
---|
1207 | uint8_t *sl1, *sl2; |
---|
1208 | GetClip(cx1, cy1, cx2, cy2); |
---|
1209 | if (y1<cy1) y1=cy1; |
---|
1210 | if (x1<cx1) x1=cx1; |
---|
1211 | if (y2>cy2 - 1) y2=cy2 - 1; |
---|
1212 | if (x2>cx2 - 1) x2=cx2 - 1; |
---|
1213 | CHECK(x2>=x1 && y2>=y1); |
---|
1214 | if (x2<x1 || y2<y1) return NULL; |
---|
1215 | ret=new image(vec2i((x2-x1+8)/8, (y2-y1+1))); |
---|
1216 | if (!last_loaded()) |
---|
1217 | ret->clear(); |
---|
1218 | else |
---|
1219 | { |
---|
1220 | ret->Lock(); |
---|
1221 | Lock(); |
---|
1222 | for (y=y1, ry=0, dity=(y1%4)*4; y<=y2; y++, ry++) |
---|
1223 | { |
---|
1224 | sl1=ret->scan_line(ry); // sl1 is the scan linefo the return image |
---|
1225 | sl2=scan_line(y); // sl2 is the orginal image scan line |
---|
1226 | memset(sl1, 0, (x2-x1+8)/8); |
---|
1227 | for (bo=7, rx=0, x=x1, ditx=x1%4; x<=x2; x++) |
---|
1228 | { |
---|
1229 | if (last_loaded()->red(sl2[x])>dither_matrix[ditx+dity]) |
---|
1230 | sl1[rx]|=1<<bo; |
---|
1231 | if (bo!=0) |
---|
1232 | bo--; |
---|
1233 | else |
---|
1234 | { |
---|
1235 | rx++; |
---|
1236 | bo=7; |
---|
1237 | } |
---|
1238 | ditx+=1; if (ditx>3) ditx=0; |
---|
1239 | } |
---|
1240 | dity+=4; if (dity>12) dity=0; |
---|
1241 | } |
---|
1242 | Unlock(); |
---|
1243 | ret->Unlock(); |
---|
1244 | } |
---|
1245 | return ret; |
---|
1246 | } |
---|
1247 | |
---|
1248 | void image::FlipX() |
---|
1249 | { |
---|
1250 | Lock(); |
---|
1251 | for (int y = 0; y < m_size.y; y++) |
---|
1252 | { |
---|
1253 | uint8_t *sl = scan_line(y); |
---|
1254 | for (int x = 0; x < m_size.x / 2; x++) |
---|
1255 | { |
---|
1256 | uint8_t tmp = sl[x]; |
---|
1257 | sl[x] = sl[m_size.x - 1 - x]; |
---|
1258 | sl[m_size.x - 1 - x] = tmp; |
---|
1259 | } |
---|
1260 | } |
---|
1261 | Unlock(); |
---|
1262 | } |
---|
1263 | |
---|
1264 | void image::FlipY() |
---|
1265 | { |
---|
1266 | Lock(); |
---|
1267 | for (int y = 0; y < m_size.y / 2; y++) |
---|
1268 | { |
---|
1269 | uint8_t *sl1 = scan_line(y); |
---|
1270 | uint8_t *sl2 = scan_line(m_size.y - 1 - y); |
---|
1271 | for (int x = 0; x < m_size.x; x++) |
---|
1272 | { |
---|
1273 | uint8_t tmp = sl1[x]; |
---|
1274 | sl1[x] = sl2[x]; |
---|
1275 | sl2[x] = tmp; |
---|
1276 | } |
---|
1277 | } |
---|
1278 | Unlock(); |
---|
1279 | } |
---|
1280 | |
---|