… | |
… | |
4 | |
4 | |
5 | #include <string.h> |
5 | #include <string.h> |
6 | #include <setjmp.h> |
6 | #include <setjmp.h> |
7 | |
7 | |
8 | #include <jpeglib.h> |
8 | #include <jpeglib.h> |
|
|
9 | #include <glib.h> |
|
|
10 | #include <gtk/gtk.h> |
9 | #include <gdk-pixbuf/gdk-pixbuf.h> |
11 | #include <gdk-pixbuf/gdk-pixbuf.h> |
10 | |
12 | |
11 | #include <gperl.h> |
13 | #include <gperl.h> |
12 | #include <gtk2perl.h> |
14 | #include <gtk2perl.h> |
13 | |
15 | |
… | |
… | |
124 | |
126 | |
125 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
127 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
126 | |
128 | |
127 | PROTOTYPES: ENABLE |
129 | PROTOTYPES: ENABLE |
128 | |
130 | |
|
|
131 | # missing in Gtk2 perl module |
|
|
132 | |
|
|
133 | gboolean |
|
|
134 | gdk_net_wm_supports (GdkAtom property) |
|
|
135 | CODE: |
|
|
136 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
|
|
137 | RETVAL = gdk_net_wm_supports (property); |
|
|
138 | #else |
|
|
139 | RETVAL = 0; |
|
|
140 | #endif |
|
|
141 | OUTPUT: |
|
|
142 | RETVAL |
|
|
143 | |
129 | GdkPixbuf_noinc * |
144 | GdkPixbuf_noinc * |
130 | transpose (GdkPixbuf *pb) |
145 | dealpha_expose (GdkPixbuf *pb) |
131 | CODE: |
146 | CODE: |
132 | { |
147 | { |
133 | int w = gdk_pixbuf_get_width (pb); |
148 | int w = gdk_pixbuf_get_width (pb); |
134 | int h = gdk_pixbuf_get_height (pb); |
149 | int h = gdk_pixbuf_get_height (pb); |
135 | int bpp = gdk_pixbuf_get_n_channels (pb); |
150 | int bpp = gdk_pixbuf_get_n_channels (pb); |
136 | int x, y, i; |
151 | int x, y, i; |
137 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
152 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
138 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
153 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
139 | |
154 | |
140 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
155 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
141 | |
156 | |
142 | dst = gdk_pixbuf_get_pixels (RETVAL); |
157 | dst = gdk_pixbuf_get_pixels (RETVAL); |
143 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
158 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
144 | |
159 | |
145 | for (y = 0; y < h; y++) |
|
|
146 | for (x = 0; x < w; x++) |
160 | for (x = 0; x < w; x++) |
|
|
161 | for (y = 0; y < h; y++) |
147 | for (i = 0; i < bpp; i++) |
162 | for (i = 0; i < 3; i++) |
148 | dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; |
163 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
149 | } |
164 | } |
150 | OUTPUT: |
165 | OUTPUT: |
151 | RETVAL |
166 | RETVAL |
152 | |
167 | |
153 | GdkPixbuf_noinc * |
168 | GdkPixbuf_noinc * |
154 | flop (GdkPixbuf *pb) |
169 | rotate (GdkPixbuf *pb, int angle) |
155 | CODE: |
170 | CODE: |
156 | { |
171 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
157 | int w = gdk_pixbuf_get_width (pb); |
172 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
158 | int h = gdk_pixbuf_get_height (pb); |
173 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
159 | int bpp = gdk_pixbuf_get_n_channels (pb); |
174 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
160 | int x, y, i; |
175 | : angle); |
161 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
|
|
162 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
|
|
163 | |
|
|
164 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
|
|
165 | |
|
|
166 | dst = gdk_pixbuf_get_pixels (RETVAL); |
|
|
167 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
168 | |
|
|
169 | for (y = 0; y < h; y++) |
|
|
170 | for (x = 0; x < w; x++) |
|
|
171 | for (i = 0; i < bpp; i++) |
|
|
172 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
|
|
173 | } |
|
|
174 | OUTPUT: |
176 | OUTPUT: |
175 | RETVAL |
177 | RETVAL |
176 | |
178 | |
177 | GdkPixbuf_noinc * |
179 | GdkPixbuf_noinc * |
178 | load_jpeg (char *path, int thumbnail=0) |
180 | load_jpeg (SV *path, int thumbnail=0) |
179 | CODE: |
181 | CODE: |
180 | { |
182 | { |
181 | struct jpeg_decompress_struct cinfo; |
183 | struct jpeg_decompress_struct cinfo; |
182 | struct jpg_err_mgr jerr; |
184 | struct jpg_err_mgr jerr; |
183 | guchar *data; |
185 | guchar *data; |
184 | int rs; |
186 | int rs; |
185 | FILE *fp; |
187 | FILE *fp; |
186 | volatile GdkPixbuf *pb = 0; |
188 | volatile GdkPixbuf *pb = 0; |
|
|
189 | gchar *filename; |
|
|
190 | |
187 | RETVAL = 0; |
191 | RETVAL = 0; |
188 | |
192 | |
189 | if (!(fp = fopen (path, "rb"))) |
193 | filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0); |
|
|
194 | fp = fopen (filename, "rb"); |
|
|
195 | g_free (filename); |
|
|
196 | |
|
|
197 | if (!fp) |
190 | XSRETURN_UNDEF; |
198 | XSRETURN_UNDEF; |
191 | |
199 | |
192 | cinfo.err = jpeg_std_error (&jerr.err); |
200 | cinfo.err = jpeg_std_error (&jerr.err); |
193 | |
201 | |
194 | jerr.err.error_exit = cv_error_exit; |
202 | jerr.err.error_exit = cv_error_exit; |
… | |
… | |
275 | foldcase (SV *pathsv) |
283 | foldcase (SV *pathsv) |
276 | PROTOTYPE: $ |
284 | PROTOTYPE: $ |
277 | CODE: |
285 | CODE: |
278 | { |
286 | { |
279 | STRLEN plen; |
287 | STRLEN plen; |
280 | U8 *path = SvPVutf8 (pathsv, plen); |
288 | U8 *path = (U8 *)SvPVutf8 (pathsv, plen); |
281 | U8 *pend = path + plen; |
289 | U8 *pend = path + plen; |
282 | U8 dst [plen * 6 * 3], *dstp = dst; |
290 | U8 dst [plen * 6 * 3], *dstp = dst; |
283 | |
291 | |
284 | while (path < pend) |
292 | while (path < pend) |
285 | { |
293 | { |
… | |
… | |
306 | dstp += cl; |
314 | dstp += cl; |
307 | path += is_utf8_char (path); |
315 | path += is_utf8_char (path); |
308 | } |
316 | } |
309 | } |
317 | } |
310 | |
318 | |
311 | RETVAL = newSVpvn (dst, dstp - dst); |
319 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
312 | } |
320 | } |
313 | OUTPUT: |
321 | OUTPUT: |
314 | RETVAL |
322 | RETVAL |
315 | |
323 | |
316 | GdkPixbuf_noinc * |
324 | GdkPixbuf_noinc * |
317 | p7_to_pb (int w, int h, guchar *src) |
325 | p7_to_pb (int w, int h, SV *src_sv) |
318 | PROTOTYPE: @ |
326 | PROTOTYPE: @ |
319 | CODE: |
327 | CODE: |
320 | { |
328 | { |
321 | int x, y; |
329 | int x, y; |
322 | guchar *dst, *d; |
330 | guchar *dst, *d; |
323 | int dstr; |
331 | int dstr; |
|
|
332 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
324 | |
333 | |
325 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
334 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
326 | dst = gdk_pixbuf_get_pixels (RETVAL); |
335 | dst = gdk_pixbuf_get_pixels (RETVAL); |
327 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
336 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
328 | |
337 | |
… | |
… | |
337 | } |
346 | } |
338 | } |
347 | } |
339 | OUTPUT: |
348 | OUTPUT: |
340 | RETVAL |
349 | RETVAL |
341 | |
350 | |
|
|
351 | ############################################################################# |
|
|
352 | |
|
|
353 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
354 | |
|
|
355 | void |
|
|
356 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
357 | CODE: |
|
|
358 | { |
|
|
359 | int w = gdk_pixbuf_get_width (pb); |
|
|
360 | int h = gdk_pixbuf_get_height (pb); |
|
|
361 | int x, y, i; |
|
|
362 | guchar *dst; |
|
|
363 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
364 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
365 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
366 | |
|
|
367 | a85_init (); |
|
|
368 | |
|
|
369 | for (y = 0; y < h; y++) |
|
|
370 | for (x = 0; x < w; x++) |
|
|
371 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
372 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
373 | |
|
|
374 | a85_finish (fp); |
|
|
375 | } |
|
|
376 | |
|
|
377 | void |
|
|
378 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
379 | CODE: |
|
|
380 | { |
|
|
381 | int w = gdk_pixbuf_get_width (pb); |
|
|
382 | int h = gdk_pixbuf_get_height (pb); |
|
|
383 | int x, y, i; |
|
|
384 | guchar *dst; |
|
|
385 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
386 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
387 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
388 | |
|
|
389 | for (y = 0; y < h; y++) |
|
|
390 | for (x = 0; x < w; x++) |
|
|
391 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
392 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
393 | } |
|
|
394 | |
|
|
395 | ############################################################################# |
|
|
396 | |
|
|
397 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
398 | |
342 | SV * |
399 | SV * |
343 | pb_to_p7 (GdkPixbuf *pb) |
400 | pb_to_hv84 (GdkPixbuf *pb) |
344 | CODE: |
401 | CODE: |
345 | { |
402 | { |
346 | int w = gdk_pixbuf_get_width (pb); |
403 | int w = gdk_pixbuf_get_width (pb); |
347 | int h = gdk_pixbuf_get_height (pb); |
404 | int h = gdk_pixbuf_get_height (pb); |
348 | int x, y; |
405 | int x, y; |
349 | guchar *dst; |
406 | guchar *dst; |
350 | int bpp = gdk_pixbuf_get_n_channels (pb); |
407 | int bpp = gdk_pixbuf_get_n_channels (pb); |
351 | guchar *src = gdk_pixbuf_get_pixels (pb); |
408 | guchar *src = gdk_pixbuf_get_pixels (pb); |
352 | int sstr = gdk_pixbuf_get_rowstride (pb); |
409 | int sstr = gdk_pixbuf_get_rowstride (pb); |
353 | int Er[IW], Eg[IW], Eb[IW]; |
|
|
354 | int seed = 77; |
|
|
355 | |
|
|
356 | RETVAL = newSV (w * h); |
|
|
357 | SvPOK_only (RETVAL); |
|
|
358 | SvCUR_set (RETVAL, w * h); |
|
|
359 | |
|
|
360 | dst = SvPVX (RETVAL); |
|
|
361 | |
|
|
362 | memset (Er, 0, sizeof (int) * IW); |
|
|
363 | memset (Eg, 0, sizeof (int) * IW); |
|
|
364 | memset (Eb, 0, sizeof (int) * IW); |
|
|
365 | |
|
|
366 | /* some primitive error distribution + random dithering */ |
|
|
367 | |
|
|
368 | for (y = 0; y < h; y++) |
|
|
369 | { |
|
|
370 | int er = 0, eg = 0, eb = 0; |
|
|
371 | |
|
|
372 | for (x = 0; x < w; x++) |
|
|
373 | { |
|
|
374 | int r, g, b; |
|
|
375 | guchar *p = src + x * bpp + y * sstr; |
|
|
376 | |
|
|
377 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
378 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
379 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
|
|
380 | |
|
|
381 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
|
|
382 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
|
|
383 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
|
|
384 | |
|
|
385 | er += p[0] - (r * 255 + 4) / 7; |
|
|
386 | eg += p[1] - (g * 255 + 4) / 7; |
|
|
387 | eb += p[2] - (b * 255 + 2) / 3; |
|
|
388 | |
|
|
389 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
|
|
390 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
|
|
391 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
|
|
392 | |
|
|
393 | *dst++ = r << 5 | g << 2 | b; |
|
|
394 | } |
|
|
395 | } |
|
|
396 | } |
|
|
397 | OUTPUT: |
|
|
398 | RETVAL |
|
|
399 | |
|
|
400 | ############################################################################# |
|
|
401 | |
|
|
402 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
403 | |
|
|
404 | void |
|
|
405 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
406 | CODE: |
|
|
407 | { |
|
|
408 | int w = gdk_pixbuf_get_width (pb); |
|
|
409 | int h = gdk_pixbuf_get_height (pb); |
|
|
410 | int x, y, i; |
|
|
411 | guchar *dst; |
|
|
412 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
413 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
414 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
415 | |
|
|
416 | a85_init (); |
|
|
417 | |
|
|
418 | for (y = 0; y < h; y++) |
|
|
419 | for (x = 0; x < w; x++) |
|
|
420 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
421 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
422 | |
|
|
423 | a85_finish (fp); |
|
|
424 | } |
|
|
425 | |
|
|
426 | void |
|
|
427 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
428 | CODE: |
|
|
429 | { |
|
|
430 | int w = gdk_pixbuf_get_width (pb); |
|
|
431 | int h = gdk_pixbuf_get_height (pb); |
|
|
432 | int x, y, i; |
|
|
433 | guchar *dst; |
|
|
434 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
435 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
436 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
437 | |
|
|
438 | for (y = 0; y < h; y++) |
|
|
439 | for (x = 0; x < w; x++) |
|
|
440 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
441 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
442 | } |
|
|
443 | |
|
|
444 | ############################################################################# |
|
|
445 | |
|
|
446 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
447 | |
|
|
448 | SV * |
|
|
449 | pb_to_hv84 (GdkPixbuf *pb) |
|
|
450 | CODE: |
|
|
451 | { |
|
|
452 | int w = gdk_pixbuf_get_width (pb); |
|
|
453 | int h = gdk_pixbuf_get_height (pb); |
|
|
454 | int x, y; |
|
|
455 | guchar *dst; |
|
|
456 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
457 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
458 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
459 | |
410 | |
460 | RETVAL = newSV (6 * 8 * 12 / 8); |
411 | RETVAL = newSV (6 * 8 * 12 / 8); |
461 | SvPOK_only (RETVAL); |
412 | SvPOK_only (RETVAL); |
462 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
413 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
463 | |
414 | |
464 | dst = SvPVX (RETVAL); |
415 | dst = (guchar *)SvPVX (RETVAL); |
465 | |
416 | |
466 | /* some primitive error distribution + random dithering */ |
417 | /* some primitive error distribution + random dithering */ |
467 | |
418 | |
468 | for (y = 0; y < h; y++) |
419 | for (y = 0; y < h; y++) |
469 | { |
420 | { |