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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 | |
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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 function in perl. really :) |
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132 | int |
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133 | common_prefix_length (a, b) |
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134 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
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135 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
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136 | CODE: |
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137 | RETVAL = 0; |
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138 | |
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139 | while (*a == *b && *a) |
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140 | { |
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141 | RETVAL += (*a & 0xc0) != 0x80; |
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142 | a++, b++; |
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143 | } |
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144 | |
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145 | OUTPUT: |
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146 | RETVAL |
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147 | |
129 | # missing in Gtk2 perl module |
148 | # missing in Gtk2 perl module |
130 | |
149 | |
131 | gboolean |
150 | gboolean |
132 | gdk_net_wm_supports (GdkAtom property) |
151 | gdk_net_wm_supports (GdkAtom property) |
133 | CODE: |
152 | CODE: |
… | |
… | |
138 | #endif |
157 | #endif |
139 | OUTPUT: |
158 | OUTPUT: |
140 | RETVAL |
159 | RETVAL |
141 | |
160 | |
142 | GdkPixbuf_noinc * |
161 | GdkPixbuf_noinc * |
143 | transpose (GdkPixbuf *pb) |
162 | dealpha_expose (GdkPixbuf *pb) |
144 | CODE: |
163 | CODE: |
145 | { |
164 | { |
146 | int w = gdk_pixbuf_get_width (pb); |
165 | int w = gdk_pixbuf_get_width (pb); |
147 | int h = gdk_pixbuf_get_height (pb); |
166 | int h = gdk_pixbuf_get_height (pb); |
148 | int bpp = gdk_pixbuf_get_n_channels (pb); |
167 | int bpp = gdk_pixbuf_get_n_channels (pb); |
149 | int x, y, i; |
168 | int x, y, i; |
150 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
169 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
151 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
170 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
152 | |
171 | |
153 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
172 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
154 | |
173 | |
155 | dst = gdk_pixbuf_get_pixels (RETVAL); |
174 | dst = gdk_pixbuf_get_pixels (RETVAL); |
156 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
175 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
157 | |
176 | |
158 | for (y = 0; y < h; y++) |
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159 | for (x = 0; x < w; x++) |
177 | for (x = 0; x < w; x++) |
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178 | for (y = 0; y < h; y++) |
160 | for (i = 0; i < bpp; i++) |
179 | for (i = 0; i < 3; i++) |
161 | dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; |
180 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
162 | } |
181 | } |
163 | OUTPUT: |
182 | OUTPUT: |
164 | RETVAL |
183 | RETVAL |
165 | |
184 | |
166 | GdkPixbuf_noinc * |
185 | GdkPixbuf_noinc * |
167 | flop (GdkPixbuf *pb) |
186 | rotate (GdkPixbuf *pb, int angle) |
168 | CODE: |
187 | CODE: |
169 | { |
188 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
170 | int w = gdk_pixbuf_get_width (pb); |
189 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
171 | int h = gdk_pixbuf_get_height (pb); |
190 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
172 | int bpp = gdk_pixbuf_get_n_channels (pb); |
191 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
173 | int x, y, i; |
192 | : angle); |
174 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
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175 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
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176 | |
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177 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
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178 | |
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179 | dst = gdk_pixbuf_get_pixels (RETVAL); |
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180 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
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181 | |
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182 | for (y = 0; y < h; y++) |
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183 | for (x = 0; x < w; x++) |
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184 | for (i = 0; i < bpp; i++) |
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185 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
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186 | } |
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187 | OUTPUT: |
193 | OUTPUT: |
188 | RETVAL |
194 | RETVAL |
189 | |
195 | |
190 | GdkPixbuf_noinc * |
196 | GdkPixbuf_noinc * |
191 | load_jpeg (char *path, int thumbnail=0) |
197 | load_jpeg (SV *path, int thumbnail=0) |
192 | CODE: |
198 | CODE: |
193 | { |
199 | { |
194 | struct jpeg_decompress_struct cinfo; |
200 | struct jpeg_decompress_struct cinfo; |
195 | struct jpg_err_mgr jerr; |
201 | struct jpg_err_mgr jerr; |
196 | guchar *data; |
202 | guchar *data; |
197 | int rs; |
203 | int rs; |
198 | FILE *fp; |
204 | FILE *fp; |
199 | volatile GdkPixbuf *pb = 0; |
205 | volatile GdkPixbuf *pb = 0; |
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206 | gchar *filename; |
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207 | |
200 | RETVAL = 0; |
208 | RETVAL = 0; |
201 | |
209 | |
202 | if (!(fp = fopen (path, "rb"))) |
210 | filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0); |
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211 | fp = fopen (filename, "rb"); |
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212 | g_free (filename); |
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213 | |
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214 | if (!fp) |
203 | XSRETURN_UNDEF; |
215 | XSRETURN_UNDEF; |
204 | |
216 | |
205 | cinfo.err = jpeg_std_error (&jerr.err); |
217 | cinfo.err = jpeg_std_error (&jerr.err); |
206 | |
218 | |
207 | jerr.err.error_exit = cv_error_exit; |
219 | jerr.err.error_exit = cv_error_exit; |
… | |
… | |
288 | foldcase (SV *pathsv) |
300 | foldcase (SV *pathsv) |
289 | PROTOTYPE: $ |
301 | PROTOTYPE: $ |
290 | CODE: |
302 | CODE: |
291 | { |
303 | { |
292 | STRLEN plen; |
304 | STRLEN plen; |
293 | U8 *path = SvPVutf8 (pathsv, plen); |
305 | U8 *path = (U8 *)SvPVutf8 (pathsv, plen); |
294 | U8 *pend = path + plen; |
306 | U8 *pend = path + plen; |
295 | U8 dst [plen * 6 * 3], *dstp = dst; |
307 | U8 dst [plen * 6 * 3], *dstp = dst; |
296 | |
308 | |
297 | while (path < pend) |
309 | while (path < pend) |
298 | { |
310 | { |
… | |
… | |
319 | dstp += cl; |
331 | dstp += cl; |
320 | path += is_utf8_char (path); |
332 | path += is_utf8_char (path); |
321 | } |
333 | } |
322 | } |
334 | } |
323 | |
335 | |
324 | RETVAL = newSVpvn (dst, dstp - dst); |
336 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
325 | } |
337 | } |
326 | OUTPUT: |
338 | OUTPUT: |
327 | RETVAL |
339 | RETVAL |
328 | |
340 | |
329 | GdkPixbuf_noinc * |
341 | GdkPixbuf_noinc * |
330 | p7_to_pb (int w, int h, guchar *src) |
342 | p7_to_pb (int w, int h, SV *src_sv) |
331 | PROTOTYPE: @ |
343 | PROTOTYPE: @ |
332 | CODE: |
344 | CODE: |
333 | { |
345 | { |
334 | int x, y; |
346 | int x, y; |
335 | guchar *dst, *d; |
347 | guchar *dst, *d; |
336 | int dstr; |
348 | int dstr; |
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349 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
337 | |
350 | |
338 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
351 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
339 | dst = gdk_pixbuf_get_pixels (RETVAL); |
352 | dst = gdk_pixbuf_get_pixels (RETVAL); |
340 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
353 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
341 | |
354 | |
… | |
… | |
350 | } |
363 | } |
351 | } |
364 | } |
352 | OUTPUT: |
365 | OUTPUT: |
353 | RETVAL |
366 | RETVAL |
354 | |
367 | |
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368 | ############################################################################# |
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369 | |
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370 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
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371 | |
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372 | void |
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373 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
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374 | CODE: |
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375 | { |
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376 | int w = gdk_pixbuf_get_width (pb); |
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377 | int h = gdk_pixbuf_get_height (pb); |
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378 | int x, y, i; |
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379 | guchar *dst; |
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380 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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381 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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382 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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383 | |
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384 | a85_init (); |
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385 | |
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386 | for (y = 0; y < h; y++) |
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387 | for (x = 0; x < w; x++) |
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388 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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389 | a85_push (fp, src [x * bpp + y * sstr + i]); |
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390 | |
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391 | a85_finish (fp); |
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392 | } |
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393 | |
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394 | void |
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395 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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396 | CODE: |
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397 | { |
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398 | int w = gdk_pixbuf_get_width (pb); |
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399 | int h = gdk_pixbuf_get_height (pb); |
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400 | int x, y, i; |
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401 | guchar *dst; |
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402 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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403 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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404 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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405 | |
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406 | for (y = 0; y < h; y++) |
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407 | for (x = 0; x < w; x++) |
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408 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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409 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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410 | } |
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411 | |
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412 | ############################################################################# |
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413 | |
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414 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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415 | |
355 | SV * |
416 | SV * |
356 | pb_to_p7 (GdkPixbuf *pb) |
417 | pb_to_hv84 (GdkPixbuf *pb) |
357 | CODE: |
418 | CODE: |
358 | { |
419 | { |
359 | int w = gdk_pixbuf_get_width (pb); |
420 | int w = gdk_pixbuf_get_width (pb); |
360 | int h = gdk_pixbuf_get_height (pb); |
421 | int h = gdk_pixbuf_get_height (pb); |
361 | int x, y; |
422 | int x, y; |
362 | guchar *dst; |
423 | guchar *dst; |
363 | int bpp = gdk_pixbuf_get_n_channels (pb); |
424 | int bpp = gdk_pixbuf_get_n_channels (pb); |
364 | guchar *src = gdk_pixbuf_get_pixels (pb); |
425 | guchar *src = gdk_pixbuf_get_pixels (pb); |
365 | int sstr = gdk_pixbuf_get_rowstride (pb); |
426 | int sstr = gdk_pixbuf_get_rowstride (pb); |
366 | int Er[IW], Eg[IW], Eb[IW]; |
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367 | int seed = 77; |
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368 | |
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369 | RETVAL = newSV (w * h); |
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370 | SvPOK_only (RETVAL); |
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371 | SvCUR_set (RETVAL, w * h); |
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372 | |
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373 | dst = SvPVX (RETVAL); |
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374 | |
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375 | memset (Er, 0, sizeof (int) * IW); |
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376 | memset (Eg, 0, sizeof (int) * IW); |
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377 | memset (Eb, 0, sizeof (int) * IW); |
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378 | |
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379 | /* some primitive error distribution + random dithering */ |
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380 | |
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381 | for (y = 0; y < h; y++) |
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382 | { |
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383 | int er = 0, eg = 0, eb = 0; |
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384 | |
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385 | for (x = 0; x < w; x++) |
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386 | { |
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387 | int r, g, b; |
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388 | guchar *p = src + x * bpp + y * sstr; |
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389 | |
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390 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
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391 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
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392 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
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393 | |
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394 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
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395 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
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396 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
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397 | |
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398 | er += p[0] - (r * 255 + 4) / 7; |
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399 | eg += p[1] - (g * 255 + 4) / 7; |
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400 | eb += p[2] - (b * 255 + 2) / 3; |
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401 | |
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402 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
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403 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
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404 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
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405 | |
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406 | *dst++ = r << 5 | g << 2 | b; |
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407 | } |
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408 | } |
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409 | } |
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410 | OUTPUT: |
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411 | RETVAL |
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412 | |
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413 | ############################################################################# |
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414 | |
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415 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
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416 | |
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417 | void |
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418 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
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419 | CODE: |
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420 | { |
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421 | int w = gdk_pixbuf_get_width (pb); |
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422 | int h = gdk_pixbuf_get_height (pb); |
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423 | int x, y, i; |
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424 | guchar *dst; |
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425 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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426 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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427 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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428 | |
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429 | a85_init (); |
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430 | |
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431 | for (y = 0; y < h; y++) |
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432 | for (x = 0; x < w; x++) |
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433 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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434 | a85_push (fp, src [x * bpp + y * sstr + i]); |
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435 | |
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436 | a85_finish (fp); |
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437 | } |
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438 | |
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439 | void |
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440 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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441 | CODE: |
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442 | { |
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443 | int w = gdk_pixbuf_get_width (pb); |
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444 | int h = gdk_pixbuf_get_height (pb); |
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445 | int x, y, i; |
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446 | guchar *dst; |
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447 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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448 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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449 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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450 | |
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451 | for (y = 0; y < h; y++) |
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452 | for (x = 0; x < w; x++) |
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453 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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454 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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455 | } |
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456 | |
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457 | ############################################################################# |
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458 | |
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459 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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460 | |
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461 | SV * |
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462 | pb_to_hv84 (GdkPixbuf *pb) |
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463 | CODE: |
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464 | { |
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465 | int w = gdk_pixbuf_get_width (pb); |
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466 | int h = gdk_pixbuf_get_height (pb); |
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467 | int x, y; |
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468 | guchar *dst; |
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469 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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470 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
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471 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
472 | |
427 | |
473 | RETVAL = newSV (6 * 8 * 12 / 8); |
428 | RETVAL = newSV (6 * 8 * 12 / 8); |
474 | SvPOK_only (RETVAL); |
429 | SvPOK_only (RETVAL); |
475 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
430 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
476 | |
431 | |
477 | dst = SvPVX (RETVAL); |
432 | dst = (guchar *)SvPVX (RETVAL); |
478 | |
433 | |
479 | /* some primitive error distribution + random dithering */ |
434 | /* some primitive error distribution + random dithering */ |
480 | |
435 | |
481 | for (y = 0; y < h; y++) |
436 | for (y = 0; y < h; y++) |
482 | { |
437 | { |