… | |
… | |
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> |
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9 | #include <glib.h> |
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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 | |
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131 | # missing in Gtk2 perl module |
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132 | |
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133 | gboolean |
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134 | gdk_net_wm_supports (GdkAtom property) |
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135 | CODE: |
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136 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
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137 | RETVAL = gdk_net_wm_supports (property); |
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138 | #else |
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139 | RETVAL = 0; |
|
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140 | #endif |
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141 | OUTPUT: |
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142 | RETVAL |
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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++) |
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146 | for (x = 0; x < w; x++) |
160 | for (x = 0; x < w; x++) |
|
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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; |
|
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162 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
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163 | |
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164 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
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165 | |
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166 | dst = gdk_pixbuf_get_pixels (RETVAL); |
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167 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
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168 | |
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169 | for (y = 0; y < h; y++) |
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170 | for (x = 0; x < w; x++) |
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171 | for (i = 0; i < bpp; i++) |
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172 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
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173 | } |
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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; |
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189 | gchar *filename; |
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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); |
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194 | fp = fopen (filename, "rb"); |
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195 | g_free (filename); |
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196 | |
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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; |
… | |
… | |
225 | { |
233 | { |
226 | cinfo.dct_method = JDCT_FASTEST; |
234 | cinfo.dct_method = JDCT_FASTEST; |
227 | cinfo.do_fancy_upsampling = FALSE; |
235 | cinfo.do_fancy_upsampling = FALSE; |
228 | |
236 | |
229 | while (cinfo.scale_denom < 8 |
237 | while (cinfo.scale_denom < 8 |
230 | && (cinfo.output_width >> 1) >= IW |
238 | && cinfo.output_width >= IW*4 |
231 | && (cinfo.output_height >> 1) >= IH) |
239 | && cinfo.output_height >= IH*4) |
232 | { |
240 | { |
233 | cinfo.scale_denom <<= 1; |
241 | cinfo.scale_denom <<= 1; |
234 | jpeg_calc_output_dimensions (&cinfo); |
242 | jpeg_calc_output_dimensions (&cinfo); |
235 | } |
243 | } |
236 | } |
244 | } |
… | |
… | |
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 | { |
|
|
294 | U8 ch = *path; |
|
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295 | |
286 | if (*path >= '0' && *path <= '9') |
296 | if (ch >= 'a' && ch <= 'z') |
|
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297 | *dstp++ = *path++; |
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298 | else if (ch >= '0' && ch <= '9') |
287 | { |
299 | { |
288 | STRLEN el, nl = 0; |
300 | STRLEN el, nl = 0; |
289 | while (*path >= '0' && *path <= '9') |
301 | while (*path >= '0' && *path <= '9' && path < pend) |
290 | path++, nl++; |
302 | path++, nl++; |
291 | |
303 | |
292 | for (el = nl; el < 6; el++) |
304 | for (el = nl; el < 6; el++) |
293 | *dstp++ = '0'; |
305 | *dstp++ = '0'; |
294 | |
306 | |
… | |
… | |
302 | dstp += cl; |
314 | dstp += cl; |
303 | path += is_utf8_char (path); |
315 | path += is_utf8_char (path); |
304 | } |
316 | } |
305 | } |
317 | } |
306 | |
318 | |
307 | RETVAL = newSVpvn (dst, dstp - dst); |
319 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
308 | } |
320 | } |
309 | OUTPUT: |
321 | OUTPUT: |
310 | RETVAL |
322 | RETVAL |
311 | |
323 | |
312 | GdkPixbuf_noinc * |
324 | GdkPixbuf_noinc * |
313 | p7_to_pb (int w, int h, guchar *src) |
325 | p7_to_pb (int w, int h, SV *src_sv) |
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326 | PROTOTYPE: @ |
314 | CODE: |
327 | CODE: |
315 | { |
328 | { |
316 | int x, y; |
329 | int x, y; |
317 | guchar *dst, *d; |
330 | guchar *dst, *d; |
318 | int dstr; |
331 | int dstr; |
|
|
332 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
319 | |
333 | |
320 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
334 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
321 | dst = gdk_pixbuf_get_pixels (RETVAL); |
335 | dst = gdk_pixbuf_get_pixels (RETVAL); |
322 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
336 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
323 | |
337 | |
… | |
… | |
332 | } |
346 | } |
333 | } |
347 | } |
334 | OUTPUT: |
348 | OUTPUT: |
335 | RETVAL |
349 | RETVAL |
336 | |
350 | |
|
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351 | ############################################################################# |
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352 | |
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353 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
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354 | |
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355 | void |
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356 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
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357 | CODE: |
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358 | { |
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359 | int w = gdk_pixbuf_get_width (pb); |
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360 | int h = gdk_pixbuf_get_height (pb); |
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361 | int x, y, i; |
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362 | guchar *dst; |
|
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363 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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364 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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365 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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366 | |
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367 | a85_init (); |
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368 | |
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369 | for (y = 0; y < h; y++) |
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370 | for (x = 0; x < w; x++) |
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371 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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372 | a85_push (fp, src [x * bpp + y * sstr + i]); |
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373 | |
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374 | a85_finish (fp); |
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375 | } |
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376 | |
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377 | void |
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378 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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379 | CODE: |
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380 | { |
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381 | int w = gdk_pixbuf_get_width (pb); |
|
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382 | int h = gdk_pixbuf_get_height (pb); |
|
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383 | int x, y, i; |
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384 | guchar *dst; |
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385 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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386 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
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387 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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388 | |
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389 | for (y = 0; y < h; y++) |
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390 | for (x = 0; x < w; x++) |
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391 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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392 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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393 | } |
|
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394 | |
|
|
395 | ############################################################################# |
|
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396 | |
|
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397 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
398 | |
337 | SV * |
399 | SV * |
338 | pb_to_p7 (GdkPixbuf *pb) |
400 | pb_to_hv84 (GdkPixbuf *pb) |
339 | CODE: |
401 | CODE: |
340 | { |
402 | { |
341 | int w = gdk_pixbuf_get_width (pb); |
403 | int w = gdk_pixbuf_get_width (pb); |
342 | int h = gdk_pixbuf_get_height (pb); |
404 | int h = gdk_pixbuf_get_height (pb); |
343 | int x, y; |
405 | int x, y; |
344 | guchar *dst; |
406 | guchar *dst; |
345 | int bpp = gdk_pixbuf_get_n_channels (pb); |
407 | int bpp = gdk_pixbuf_get_n_channels (pb); |
346 | guchar *src = gdk_pixbuf_get_pixels (pb); |
408 | guchar *src = gdk_pixbuf_get_pixels (pb); |
347 | int sstr = gdk_pixbuf_get_rowstride (pb); |
409 | int sstr = gdk_pixbuf_get_rowstride (pb); |
348 | int Er[IW], Eg[IW], Eb[IW]; |
|
|
349 | int seed = 77; |
|
|
350 | |
410 | |
351 | RETVAL = newSV (w * h); |
411 | RETVAL = newSV (6 * 8 * 12 / 8); |
352 | SvPOK_only (RETVAL); |
412 | SvPOK_only (RETVAL); |
353 | SvCUR_set (RETVAL, w * h); |
413 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
354 | |
414 | |
355 | dst = SvPVX (RETVAL); |
415 | dst = (guchar *)SvPVX (RETVAL); |
356 | |
|
|
357 | memset (Er, 0, sizeof (int) * IW); |
|
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358 | memset (Eg, 0, sizeof (int) * IW); |
|
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359 | memset (Eb, 0, sizeof (int) * IW); |
|
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360 | |
416 | |
361 | /* some primitive error distribution + random dithering */ |
417 | /* some primitive error distribution + random dithering */ |
362 | |
418 | |
363 | for (y = 0; y < h; y++) |
419 | for (y = 0; y < h; y++) |
364 | { |
420 | { |
365 | int er = 0, eg = 0, eb = 0; |
421 | guchar *p = src + y * sstr; |
366 | |
422 | |
367 | for (x = 0; x < w; x++) |
423 | for (x = 0; x < w; x += 2) |
368 | { |
424 | { |
369 | int r, g, b; |
425 | unsigned int r, g, b, h, s, v, H, V1, V2; |
370 | guchar *p = src + x * bpp + y * sstr; |
|
|
371 | |
426 | |
372 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
427 | if (bpp == 3) |
373 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
428 | r = *p++, g = *p++, b = *p++; |
374 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
429 | else if (bpp == 1) |
|
|
430 | r = g = b = *p++; |
|
|
431 | else |
|
|
432 | abort (); |
375 | |
433 | |
376 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
434 | rgb_to_hsv (r, g, b, &h, &s, &v); |
377 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
|
|
378 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
|
|
379 | |
435 | |
380 | er += p[0] - (r * 255 + 4) / 7; |
436 | H = (h * 15 / 255) << 4; |
381 | eg += p[1] - (g * 255 + 4) / 7; |
437 | V1 = v; |
382 | eb += p[2] - (b * 255 + 2) / 3; |
|
|
383 | |
438 | |
384 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
439 | if (bpp == 3) |
385 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
440 | r = *p++, g = *p++, b = *p++; |
386 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
441 | else if (bpp == 1) |
|
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442 | r = g = b = *p++; |
|
|
443 | else |
|
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444 | abort (); |
387 | |
445 | |
388 | *dst++ = r << 5 | g << 2 | b; |
446 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
447 | |
|
|
448 | H |= h * 15 / 255; |
|
|
449 | V2 = v; |
|
|
450 | |
|
|
451 | *dst++ = H; |
|
|
452 | *dst++ = V1; |
|
|
453 | *dst++ = V2; |
389 | } |
454 | } |
390 | } |
455 | } |
391 | } |
456 | } |
392 | OUTPUT: |
457 | OUTPUT: |
393 | RETVAL |
458 | RETVAL |
394 | |
459 | |
395 | SV * |
460 | SV * |
|
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461 | hv84_to_av (unsigned char *hv84) |
|
|
462 | CODE: |
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463 | { |
|
|
464 | int i = 72 / 3; |
|
|
465 | AV *av = newAV (); |
|
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466 | |
|
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467 | RETVAL = (SV *)newRV_noinc ((SV *)av); |
|
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468 | while (i--) |
|
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469 | { |
|
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470 | int h = *hv84++; |
|
|
471 | int v1 = *hv84++; |
|
|
472 | int v2 = *hv84++; |
|
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473 | |
|
|
474 | av_push (av, newSViv (v1)); |
|
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475 | av_push (av, newSViv ((h >> 4) * 255 / 15)); |
|
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476 | av_push (av, newSViv (v2)); |
|
|
477 | av_push (av, newSViv ((h & 15) * 255 / 15)); |
|
|
478 | } |
|
|
479 | } |
|
|
480 | OUTPUT: |
|
|
481 | RETVAL |
|
|
482 | |
|
|
483 | ############################################################################# |
|
|
484 | |
|
|
485 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
|
|
486 | |
|
|
487 | SV * |
396 | make_histogram (SV *ar) |
488 | make_histograms (SV *ar) |
397 | CODE: |
489 | CODE: |
398 | { |
490 | { |
399 | int i; |
491 | int i; |
400 | AV *av, *result; |
492 | AV *av, *result; |
401 | |
493 | |
… | |
… | |
444 | RETVAL = newRV_noinc ((SV *)result); |
536 | RETVAL = newRV_noinc ((SV *)result); |
445 | } |
537 | } |
446 | OUTPUT: |
538 | OUTPUT: |
447 | RETVAL |
539 | RETVAL |
448 | |
540 | |
449 | ############################################################################# |
|
|
450 | |
541 | |
451 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
452 | |
|
|
453 | void |
|
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454 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
455 | CODE: |
|
|
456 | { |
|
|
457 | int w = gdk_pixbuf_get_width (pb); |
|
|
458 | int h = gdk_pixbuf_get_height (pb); |
|
|
459 | int x, y, i; |
|
|
460 | guchar *dst; |
|
|
461 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
462 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
463 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
464 | |
|
|
465 | a85_init (); |
|
|
466 | |
|
|
467 | for (y = 0; y < h; y++) |
|
|
468 | for (x = 0; x < w; x++) |
|
|
469 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
470 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
471 | |
|
|
472 | a85_finish (fp); |
|
|
473 | } |
|
|
474 | |
|
|
475 | void |
|
|
476 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
477 | CODE: |
|
|
478 | { |
|
|
479 | int w = gdk_pixbuf_get_width (pb); |
|
|
480 | int h = gdk_pixbuf_get_height (pb); |
|
|
481 | int x, y, i; |
|
|
482 | guchar *dst; |
|
|
483 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
484 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
485 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
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486 | |
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487 | for (y = 0; y < h; y++) |
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488 | for (x = 0; x < w; x++) |
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489 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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490 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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491 | } |
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492 | |
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493 | ############################################################################# |
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494 | |
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495 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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496 | |
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497 | SV * |
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498 | pb_to_hv84 (GdkPixbuf *pb) |
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499 | CODE: |
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500 | { |
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501 | int w = gdk_pixbuf_get_width (pb); |
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502 | int h = gdk_pixbuf_get_height (pb); |
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503 | int x, y; |
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504 | guchar *dst; |
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505 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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506 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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507 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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508 | |
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509 | RETVAL = newSV (6 * 8 * 12 / 8); |
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510 | SvPOK_only (RETVAL); |
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511 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
|
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512 | |
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513 | dst = SvPVX (RETVAL); |
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514 | |
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515 | /* some primitive error distribution + random dithering */ |
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516 | |
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517 | for (y = 0; y < h; y++) |
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518 | { |
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519 | guchar *p = src + y * sstr; |
|
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520 | |
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521 | for (x = 0; x < w; x += 2) |
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522 | { |
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|
523 | unsigned int r, g, b, h, s, v, H, V1, V2; |
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524 | |
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525 | if (bpp == 3) |
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526 | r = *p++, g = *p++, b = *p++; |
|
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527 | else if (bpp == 1) |
|
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528 | r = g = b = *p++; |
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529 | else |
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|
530 | abort (); |
|
|
531 | |
|
|
532 | rgb_to_hsv (r, g, b, &h, &s, &v); |
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|
533 | |
|
|
534 | H = (h * 15 / 255) << 4; |
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|
535 | V1 = v; |
|
|
536 | |
|
|
537 | if (bpp == 3) |
|
|
538 | r = *p++, g = *p++, b = *p++; |
|
|
539 | else if (bpp == 1) |
|
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540 | r = g = b = *p++; |
|
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541 | else |
|
|
542 | abort (); |
|
|
543 | |
|
|
544 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
545 | |
|
|
546 | H |= h * 15 / 255; |
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|
547 | V2 = v; |
|
|
548 | |
|
|
549 | *dst++ = H; |
|
|
550 | *dst++ = V1; |
|
|
551 | *dst++ = V2; |
|
|
552 | } |
|
|
553 | } |
|
|
554 | } |
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|
555 | OUTPUT: |
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556 | RETVAL |
|
|
557 | |
|
|
558 | SV * |
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559 | hv84_to_av (unsigned char *hv84) |
|
|
560 | CODE: |
|
|
561 | { |
|
|
562 | int i = 72 / 3; |
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|
563 | AV *av = newAV (); |
|
|
564 | |
|
|
565 | RETVAL = (SV *)newRV_noinc ((SV *)av); |
|
|
566 | while (i--) |
|
|
567 | { |
|
|
568 | int h = *hv84++; |
|
|
569 | int v1 = *hv84++; |
|
|
570 | int v2 = *hv84++; |
|
|
571 | |
|
|
572 | av_push (av, newSViv (v1)); |
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|
573 | av_push (av, newSViv ((h >> 4) * 255 / 15)); |
|
|
574 | av_push (av, newSViv (v2)); |
|
|
575 | av_push (av, newSViv ((h & 15) * 255 / 15)); |
|
|
576 | } |
|
|
577 | } |
|
|
578 | OUTPUT: |
|
|
579 | RETVAL |
|
|
580 | |
|
|
581 | |
|
|
582 | |
|
|