author | bjarni |
Sat, 22 Jan 2005 23:55:45 +0000 | |
changeset 1099 | ad7522bd5c1c |
parent 923 | fc5230f75a91 |
child 1299 | 39c06aba09aa |
permissions | -rw-r--r-- |
0 | 1 |
#include "stdafx.h" |
2 |
#include "ttd.h" |
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#include "table/strings.h" |
0 | 4 |
#include "gfx.h" |
5 |
#include "viewport.h" |
|
6 |
#include "player.h" |
|
7 |
#include "gui.h" |
|
430 | 8 |
#include "screenshot.h" |
0 | 9 |
|
10 |
// called by the ScreenShot proc to generate screenshot lines. |
|
11 |
typedef void ScreenshotCallback(void *userdata, byte *buf, uint y, uint pitch, uint n); |
|
12 |
typedef bool ScreenshotHandlerProc(const char *name, ScreenshotCallback *callb, void *userdata, uint w, uint h, int pixelformat, const byte *palette); |
|
13 |
||
14 |
typedef struct { |
|
15 |
const char *name; |
|
16 |
const char *extension; |
|
17 |
ScreenshotHandlerProc *proc; |
|
18 |
} ScreenshotFormat; |
|
19 |
||
20 |
//************************************************ |
|
21 |
//*** SCREENSHOT CODE FOR WINDOWS BITMAP (.BMP) |
|
22 |
//************************************************ |
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#if defined(_MSC_VER) || defined(__WATCOMC__) |
0 | 24 |
#pragma pack(push, 1) |
25 |
#endif |
|
26 |
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typedef struct BitmapFileHeader { |
0 | 28 |
uint16 type; |
29 |
uint32 size; |
|
30 |
uint32 reserved; |
|
31 |
uint32 off_bits; |
|
32 |
} GCC_PACK BitmapFileHeader; |
|
33 |
assert_compile(sizeof(BitmapFileHeader) == 14); |
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34 |
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#if defined(_MSC_VER) || defined(__WATCOMC__) |
0 | 36 |
#pragma pack(pop) |
37 |
#endif |
|
38 |
||
39 |
typedef struct BitmapInfoHeader { |
|
40 |
uint32 size; |
|
41 |
int32 width, height; |
|
42 |
uint16 planes, bitcount; |
|
43 |
uint32 compression, sizeimage, xpels, ypels, clrused, clrimp; |
|
44 |
} BitmapInfoHeader; |
|
45 |
assert_compile(sizeof(BitmapInfoHeader) == 40); |
|
46 |
||
47 |
typedef struct RgbQuad { |
|
48 |
byte blue, green, red, reserved; |
|
49 |
} RgbQuad; |
|
50 |
assert_compile(sizeof(RgbQuad) == 4); |
|
51 |
||
52 |
// generic .BMP writer |
|
53 |
static bool MakeBmpImage(const char *name, ScreenshotCallback *callb, void *userdata, uint w, uint h, int pixelformat, const byte *palette) |
|
54 |
{ |
|
55 |
BitmapFileHeader bfh; |
|
56 |
BitmapInfoHeader bih; |
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RgbQuad rq[256]; |
0 | 58 |
byte *buff; |
59 |
FILE *f; |
|
60 |
uint i, padw; |
|
61 |
uint n, maxlines; |
|
62 |
||
63 |
// only implemented for 8bit images so far. |
|
64 |
if (pixelformat != 8) |
|
65 |
return false; |
|
66 |
||
67 |
f = fopen(name, "wb"); |
|
68 |
if (f == NULL) return false; |
|
69 |
||
70 |
// each scanline must be aligned on a 32bit boundary |
|
71 |
padw = (w + 3) & ~3; |
|
72 |
||
73 |
// setup the file header |
|
74 |
bfh.type = TO_LE16('MB'); |
|
75 |
bfh.size = TO_LE32(sizeof(bfh) + sizeof(bih) + sizeof(RgbQuad) * 256 + padw * h); |
|
76 |
bfh.reserved = 0; |
|
77 |
bfh.off_bits = TO_LE32(sizeof(bfh) + sizeof(bih) + sizeof(RgbQuad) * 256); |
|
78 |
||
79 |
// setup the info header |
|
80 |
bih.size = TO_LE32(sizeof(BitmapInfoHeader)); |
|
81 |
bih.width = TO_LE32(w); |
|
82 |
bih.height = TO_LE32(h); |
|
83 |
bih.planes = TO_LE16(1); |
|
84 |
bih.bitcount = TO_LE16(8); |
|
85 |
bih.compression = 0; |
|
86 |
bih.sizeimage = 0; |
|
87 |
bih.xpels = 0; |
|
88 |
bih.ypels = 0; |
|
89 |
bih.clrused = 0; |
|
90 |
bih.clrimp = 0; |
|
91 |
||
92 |
// convert the palette to the windows format |
|
430 | 93 |
for (i = 0; i != 256; i++) { |
0 | 94 |
rq[i].red = *palette++; |
95 |
rq[i].green = *palette++; |
|
96 |
rq[i].blue = *palette++; |
|
97 |
rq[i].reserved = 0; |
|
98 |
} |
|
99 |
||
100 |
// write file header and info header and palette |
|
430 | 101 |
if (fwrite(&bfh, sizeof(bfh), 1, f) != 1) return false; |
102 |
if (fwrite(&bih, sizeof(bih), 1, f) != 1) return false; |
|
103 |
if (fwrite(rq, sizeof(rq), 1, f) != 1) return false; |
|
0 | 104 |
|
105 |
// use by default 64k temp memory |
|
106 |
maxlines = clamp(65536 / padw, 16, 128); |
|
107 |
||
108 |
// now generate the bitmap bits |
|
430 | 109 |
buff = malloc(padw * maxlines); // by default generate 128 lines at a time. |
110 |
if (buff == NULL) { |
|
111 |
fclose(f); |
|
112 |
return false; |
|
113 |
} |
|
0 | 114 |
memset(buff, 0, padw * maxlines); // zero the buffer to have the padding bytes set to 0 |
115 |
||
116 |
// start at the bottom, since bitmaps are stored bottom up. |
|
117 |
do { |
|
118 |
// determine # lines |
|
119 |
n = min(h, maxlines); |
|
120 |
h -= n; |
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|
0 | 122 |
// render the pixels |
123 |
callb(userdata, buff, h, padw, n); |
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// write each line |
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126 |
while (n) |
430 | 127 |
if (fwrite(buff + (--n) * padw, padw, 1, f) != 1) { |
128 |
free(buff); |
|
129 |
fclose(f); |
|
130 |
return false; |
|
131 |
} |
|
132 |
} while (h != 0); |
|
0 | 133 |
|
430 | 134 |
free(buff); |
0 | 135 |
fclose(f); |
136 |
||
137 |
return true; |
|
138 |
} |
|
139 |
||
140 |
//******************************************************** |
|
141 |
//*** SCREENSHOT CODE FOR PORTABLE NETWORK GRAPHICS (.PNG) |
|
142 |
//******************************************************** |
|
143 |
#if defined(WITH_PNG) |
|
144 |
#include <png.h> |
|
145 |
||
146 |
static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message) |
|
147 |
{ |
|
430 | 148 |
DEBUG(misc, 0) ("ERROR(libpng): %s - %s\n", message, (char *)png_get_error_ptr(png_ptr)); |
0 | 149 |
longjmp(png_ptr->jmpbuf, 1); |
150 |
} |
|
151 |
||
152 |
static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message) |
|
153 |
{ |
|
154 |
DEBUG(misc, 0) ("WARNING(libpng): %s - %s\n", message, (char *)png_get_error_ptr(png_ptr)); |
|
155 |
} |
|
156 |
||
157 |
static bool MakePNGImage(const char *name, ScreenshotCallback *callb, void *userdata, uint w, uint h, int pixelformat, const byte *palette) |
|
158 |
{ |
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png_color rq[256]; |
0 | 160 |
byte *buff; |
161 |
FILE *f; |
|
162 |
uint i, y, n; |
|
163 |
uint maxlines; |
|
164 |
png_structp png_ptr; |
|
165 |
png_infop info_ptr; |
|
166 |
||
167 |
// only implemented for 8bit images so far. |
|
168 |
if (pixelformat != 8) |
|
169 |
return false; |
|
170 |
||
171 |
f = fopen(name, "wb"); |
|
172 |
if (f == NULL) return false; |
|
173 |
||
430 | 174 |
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, (char *)name, png_my_error, png_my_warning); |
0 | 175 |
|
430 | 176 |
if (png_ptr == NULL) { |
0 | 177 |
fclose(f); |
178 |
return false; |
|
179 |
} |
|
180 |
||
181 |
info_ptr = png_create_info_struct(png_ptr); |
|
430 | 182 |
if (info_ptr == NULL) { |
0 | 183 |
png_destroy_write_struct(&png_ptr, (png_infopp)NULL); |
184 |
fclose(f); |
|
185 |
return false; |
|
186 |
} |
|
187 |
||
188 |
if (setjmp(png_jmpbuf(png_ptr))) { |
|
189 |
png_destroy_write_struct(&png_ptr, &info_ptr); |
|
190 |
fclose(f); |
|
191 |
return false; |
|
192 |
} |
|
193 |
||
194 |
png_init_io(png_ptr, f); |
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195 |
|
0 | 196 |
png_set_filter(png_ptr, 0, PNG_FILTER_NONE); |
197 |
||
430 | 198 |
png_set_IHDR(png_ptr, info_ptr, w, h, pixelformat, PNG_COLOR_TYPE_PALETTE, |
199 |
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); |
|
0 | 200 |
|
201 |
// convert the palette to the .PNG format. |
|
202 |
{ |
|
203 |
// avoids "might be clobbered" warning of argument "palette" |
|
204 |
const byte *pal = palette; |
|
205 |
||
430 | 206 |
for (i = 0; i != 256; i++) { |
0 | 207 |
rq[i].red = *pal++; |
208 |
rq[i].green = *pal++; |
|
209 |
rq[i].blue = *pal++; |
|
210 |
} |
|
211 |
} |
|
212 |
||
213 |
png_set_PLTE(png_ptr, info_ptr, rq, 256); |
|
214 |
png_write_info(png_ptr, info_ptr); |
|
215 |
png_set_flush(png_ptr, 512); |
|
216 |
||
217 |
// use by default 64k temp memory |
|
218 |
maxlines = clamp(65536 / w, 16, 128); |
|
219 |
||
220 |
// now generate the bitmap bits |
|
430 | 221 |
buff = malloc(w * maxlines); // by default generate 128 lines at a time. |
222 |
if (buff == NULL) { |
|
223 |
png_destroy_write_struct(&png_ptr, &info_ptr); |
|
224 |
fclose(f); |
|
225 |
return false; |
|
226 |
} |
|
0 | 227 |
memset(buff, 0, w * maxlines); // zero the buffer to have the padding bytes set to 0 |
228 |
||
229 |
y = 0; |
|
230 |
do { |
|
231 |
// determine # lines to write |
|
232 |
n = min(h - y, maxlines); |
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0 | 234 |
// render the pixels into the buffer |
235 |
callb(userdata, buff, y, w, n); |
|
236 |
y += n; |
|
237 |
||
238 |
// write them to png |
|
430 | 239 |
for (i = 0; i != n; i++) |
0 | 240 |
png_write_row(png_ptr, buff + i * w); |
241 |
} while (y != h); |
|
242 |
||
243 |
png_write_end(png_ptr, info_ptr); |
|
244 |
png_destroy_write_struct(&png_ptr, &info_ptr); |
|
245 |
||
430 | 246 |
free(buff); |
0 | 247 |
fclose(f); |
248 |
return true; |
|
249 |
} |
|
250 |
#endif // WITH_PNG |
|
251 |
||
252 |
||
253 |
//************************************************ |
|
254 |
//*** SCREENSHOT CODE FOR ZSOFT PAINTBRUSH (.PCX) |
|
255 |
//************************************************ |
|
256 |
||
257 |
typedef struct { |
|
258 |
byte manufacturer; |
|
259 |
byte version; |
|
260 |
byte rle; |
|
261 |
byte bpp; |
|
262 |
uint32 unused; |
|
263 |
uint16 xmax, ymax; |
|
264 |
uint16 hdpi, vdpi; |
|
265 |
byte pal_small[16*3]; |
|
266 |
byte reserved; |
|
267 |
byte planes; |
|
268 |
uint16 pitch; |
|
269 |
uint16 cpal; |
|
270 |
uint16 width; |
|
271 |
uint16 height; |
|
272 |
byte filler[54]; |
|
273 |
} PcxHeader; |
|
274 |
assert_compile(sizeof(PcxHeader) == 128); |
|
275 |
||
276 |
static bool MakePCXImage(const char *name, ScreenshotCallback *callb, void *userdata, uint w, uint h, int pixelformat, const byte *palette) |
|
277 |
{ |
|
278 |
byte *buff; |
|
279 |
FILE *f; |
|
280 |
uint maxlines; |
|
281 |
uint y; |
|
282 |
PcxHeader pcx; |
|
283 |
||
284 |
if (pixelformat != 8 || w == 0) |
|
285 |
return false; |
|
286 |
||
287 |
f = fopen(name, "wb"); |
|
288 |
if (f == NULL) return false; |
|
289 |
||
290 |
memset(&pcx, 0, sizeof(pcx)); |
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|
0 | 292 |
// setup pcx header |
293 |
pcx.manufacturer = 10; |
|
294 |
pcx.version = 5; |
|
295 |
pcx.rle = 1; |
|
296 |
pcx.bpp = 8; |
|
430 | 297 |
pcx.xmax = TO_LE16(w - 1); |
298 |
pcx.ymax = TO_LE16(h - 1); |
|
0 | 299 |
pcx.hdpi = TO_LE16(320); |
300 |
pcx.vdpi = TO_LE16(320); |
|
301 |
||
302 |
pcx.planes = 1; |
|
303 |
pcx.cpal = TO_LE16(1); |
|
304 |
pcx.width = pcx.pitch = TO_LE16(w); |
|
305 |
pcx.height = TO_LE16(h); |
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|
0 | 307 |
// write pcx header |
430 | 308 |
if (fwrite(&pcx, sizeof(pcx), 1, f) != 1) { |
309 |
fclose(f); |
|
310 |
return false; |
|
311 |
} |
|
0 | 312 |
|
313 |
// use by default 64k temp memory |
|
314 |
maxlines = clamp(65536 / w, 16, 128); |
|
315 |
||
316 |
// now generate the bitmap bits |
|
430 | 317 |
buff = malloc(w * maxlines); // by default generate 128 lines at a time. |
318 |
if (buff == NULL) { |
|
319 |
fclose(f); |
|
320 |
return false; |
|
321 |
} |
|
322 |
memset(buff, 0, w * maxlines); // zero the buffer to have the padding bytes set to 0 |
|
0 | 323 |
|
324 |
y = 0; |
|
325 |
do { |
|
326 |
// determine # lines to write |
|
430 | 327 |
uint n = min(h - y, maxlines); |
328 |
uint i; |
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329 |
|
0 | 330 |
// render the pixels into the buffer |
331 |
callb(userdata, buff, y, w, n); |
|
332 |
y += n; |
|
333 |
||
334 |
// write them to pcx |
|
430 | 335 |
for (i = 0; i != n; i++) { |
0 | 336 |
int runcount = 1; |
337 |
byte *bufp = buff + i * w; |
|
338 |
byte runchar = buff[0]; |
|
430 | 339 |
uint left; |
0 | 340 |
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341 |
// for each pixel... |
430 | 342 |
for (left = w - 1; left > 0; --left) { |
0 | 343 |
byte ch = *bufp++; |
344 |
if (ch != runchar || runcount >= 0x3f) { |
|
430 | 345 |
if (runcount > 1 || (runchar & 0xC0) == 0xC0) |
346 |
if (fputc(0xC0 | runcount, f) == EOF) { |
|
347 |
free(buff); |
|
348 |
fclose(f); |
|
349 |
return false; |
|
350 |
} |
|
351 |
if (fputc(runchar, f) == EOF) { |
|
352 |
free(buff); |
|
353 |
fclose(f); |
|
354 |
return false; |
|
355 |
} |
|
0 | 356 |
runcount = 0; |
357 |
runchar = ch; |
|
358 |
} |
|
359 |
runcount++; |
|
360 |
} |
|
361 |
||
362 |
// write remaining bytes.. |
|
430 | 363 |
if (runcount > 1 || (runchar & 0xC0) == 0xC0) |
364 |
if (fputc(0xC0 | runcount, f) == EOF) { |
|
365 |
free(buff); |
|
366 |
fclose(f); |
|
367 |
return false; |
|
368 |
} |
|
369 |
if (fputc(runchar, f) == EOF) { |
|
370 |
free(buff); |
|
371 |
fclose(f); |
|
372 |
return false; |
|
373 |
} |
|
0 | 374 |
} |
375 |
} while (y != h); |
|
376 |
||
430 | 377 |
free(buff); |
378 |
||
0 | 379 |
// write 8-bit color palette |
430 | 380 |
if (fputc(12, f) == EOF) { |
381 |
fclose(f); |
|
382 |
return false; |
|
383 |
} |
|
384 |
if (fwrite(palette, 256 * 3, 1, f) != 1) { |
|
385 |
fclose(f); |
|
386 |
return false; |
|
387 |
} |
|
0 | 388 |
fclose(f); |
389 |
||
390 |
return true; |
|
391 |
} |
|
392 |
||
393 |
//************************************************ |
|
394 |
//*** GENERIC SCREENSHOT CODE |
|
395 |
//************************************************ |
|
396 |
||
397 |
static const ScreenshotFormat _screenshot_formats[] = { |
|
398 |
{"BMP", "bmp", &MakeBmpImage}, |
|
399 |
#if defined(WITH_PNG) |
|
400 |
{"PNG", "png", &MakePNGImage}, |
|
401 |
#endif |
|
402 |
{"PCX", "pcx", &MakePCXImage}, |
|
403 |
}; |
|
404 |
||
430 | 405 |
void InitializeScreenshotFormats(void) |
0 | 406 |
{ |
430 | 407 |
int i, j; |
408 |
for (i = 0, j = 0; i != lengthof(_screenshot_formats); i++) |
|
409 |
if (!strcmp(_screenshot_format_name, _screenshot_formats[i].extension)) { |
|
410 |
j = i; |
|
411 |
break; |
|
412 |
} |
|
0 | 413 |
_cur_screenshot_format = j; |
414 |
_num_screenshot_formats = lengthof(_screenshot_formats); |
|
415 |
} |
|
416 |
||
417 |
const char *GetScreenshotFormatDesc(int i) |
|
418 |
{ |
|
419 |
return _screenshot_formats[i].name; |
|
420 |
} |
|
421 |
||
422 |
void SetScreenshotFormat(int i) |
|
423 |
{ |
|
424 |
_cur_screenshot_format = i; |
|
425 |
strcpy(_screenshot_format_name, _screenshot_formats[i].extension); |
|
426 |
} |
|
427 |
||
428 |
// screenshot generator that dumps the current video buffer |
|
410 | 429 |
static void CurrentScreenCallback(void *userdata, byte *buf, uint y, uint pitch, uint n) |
0 | 430 |
{ |
430 | 431 |
for (; n > 0; --n) { |
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432 |
memcpy(buf, _screen.dst_ptr + y * _screen.pitch, _screen.width); |
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|
433 |
++y; |
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changeset
|
434 |
buf += pitch; |
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changeset
|
435 |
} |
0 | 436 |
} |
437 |
||
438 |
// generate a large piece of the world |
|
410 | 439 |
static void LargeWorldCallback(void *userdata, byte *buf, uint y, uint pitch, uint n) |
0 | 440 |
{ |
441 |
ViewPort *vp = (ViewPort *)userdata; |
|
442 |
DrawPixelInfo dpi, *old_dpi; |
|
443 |
int wx, left; |
|
444 |
||
445 |
old_dpi = _cur_dpi; |
|
446 |
_cur_dpi = &dpi; |
|
447 |
||
448 |
dpi.dst_ptr = buf; |
|
449 |
dpi.height = n; |
|
450 |
dpi.width = vp->width; |
|
451 |
dpi.pitch = pitch; |
|
452 |
dpi.zoom = 0; |
|
453 |
dpi.left = 0; |
|
454 |
dpi.top = y; |
|
455 |
||
456 |
left = 0; |
|
457 |
while (vp->width - left != 0) { |
|
458 |
wx = min(vp->width - left, 1600); |
|
459 |
left += wx; |
|
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changeset
|
460 |
|
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changeset
|
461 |
ViewportDoDraw(vp, |
0 | 462 |
((left - wx - vp->left) << vp->zoom) + vp->virtual_left, |
463 |
((y - vp->top) << vp->zoom) + vp->virtual_top, |
|
464 |
((left - vp->left) << vp->zoom) + vp->virtual_left, |
|
430 | 465 |
(((y + n) - vp->top) << vp->zoom) + vp->virtual_top |
0 | 466 |
); |
467 |
} |
|
468 |
||
469 |
_cur_dpi = old_dpi; |
|
470 |
} |
|
471 |
||
472 |
static char *MakeScreenshotName(const char *ext) |
|
473 |
{ |
|
474 |
static char filename[256]; |
|
475 |
char *base; |
|
476 |
int serial; |
|
477 |
||
1 | 478 |
if (_game_mode == GM_EDITOR || _local_player == OWNER_SPECTATOR) { |
0 | 479 |
sprintf(_screenshot_name, "screenshot"); |
480 |
} else { |
|
481 |
Player *p = &_players[_local_player]; |
|
534
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diff
changeset
|
482 |
SetDParam(0, p->name_1); |
306bc86eb23e
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changeset
|
483 |
SetDParam(1, p->name_2); |
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|
484 |
SetDParam(2, _date); |
0 | 485 |
GetString(_screenshot_name, STR_4004); |
486 |
} |
|
487 |
||
488 |
base = strchr(_screenshot_name, 0); |
|
489 |
base[0] = '.'; strcpy(base + 1, ext); |
|
490 |
||
491 |
serial = 0; |
|
430 | 492 |
for (;;) { |
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diff
changeset
|
493 |
snprintf(filename, sizeof(filename), "%s%s", _path.personal_dir, _screenshot_name); |
0 | 494 |
if (!FileExists(filename)) |
495 |
break; |
|
496 |
sprintf(base, " #%d.%s", ++serial, ext); |
|
497 |
} |
|
498 |
||
499 |
return filename; |
|
500 |
} |
|
501 |
||
430 | 502 |
bool MakeScreenshot(void) |
0 | 503 |
{ |
504 |
const ScreenshotFormat *sf = _screenshot_formats + _cur_screenshot_format; |
|
193
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|
505 |
return sf->proc(MakeScreenshotName(sf->extension), CurrentScreenCallback, NULL, _screen.width, _screen.height, 8, _cur_palette); |
0 | 506 |
} |
507 |
||
508 |
bool MakeWorldScreenshot(int left, int top, int width, int height, int zoom) |
|
509 |
{ |
|
510 |
ViewPort vp; |
|
511 |
const ScreenshotFormat *sf; |
|
512 |
||
513 |
vp.zoom = zoom; |
|
514 |
vp.left = 0; |
|
515 |
vp.top = 0; |
|
516 |
vp.virtual_width = width; |
|
517 |
vp.width = width >> zoom; |
|
518 |
vp.virtual_height = height; |
|
519 |
vp.height = height >> zoom; |
|
520 |
vp.virtual_left = left; |
|
521 |
vp.virtual_top = top; |
|
522 |
||
523 |
sf = _screenshot_formats + _cur_screenshot_format; |
|
524 |
return sf->proc(MakeScreenshotName(sf->extension), LargeWorldCallback, &vp, vp.width, vp.height, 8, _cur_palette); |
|
525 |
} |