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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 | |
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148 | # missing in Gtk2 perl module |
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149 | |
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150 | gboolean |
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151 | gdk_net_wm_supports (GdkAtom property) |
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152 | CODE: |
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153 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
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154 | RETVAL = gdk_net_wm_supports (property); |
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155 | #else |
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156 | RETVAL = 0; |
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157 | #endif |
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158 | OUTPUT: |
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159 | RETVAL |
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160 | |
129 | GdkPixbuf_noinc * |
161 | GdkPixbuf_noinc * |
130 | transpose (GdkPixbuf *pb) |
162 | dealpha_expose (GdkPixbuf *pb) |
131 | CODE: |
163 | CODE: |
132 | { |
164 | { |
133 | int w = gdk_pixbuf_get_width (pb); |
165 | int w = gdk_pixbuf_get_width (pb); |
134 | int h = gdk_pixbuf_get_height (pb); |
166 | int h = gdk_pixbuf_get_height (pb); |
135 | int bpp = gdk_pixbuf_get_n_channels (pb); |
167 | int bpp = gdk_pixbuf_get_n_channels (pb); |
136 | int x, y, i; |
168 | int x, y, i; |
137 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
169 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
138 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
170 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
139 | |
171 | |
140 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
172 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
141 | |
173 | |
142 | dst = gdk_pixbuf_get_pixels (RETVAL); |
174 | dst = gdk_pixbuf_get_pixels (RETVAL); |
143 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
175 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
144 | |
176 | |
145 | for (y = 0; y < h; y++) |
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146 | for (x = 0; x < w; x++) |
177 | for (x = 0; x < w; x++) |
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178 | for (y = 0; y < h; y++) |
147 | for (i = 0; i < bpp; i++) |
179 | for (i = 0; i < 3; i++) |
148 | 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]; |
149 | } |
181 | } |
150 | OUTPUT: |
182 | OUTPUT: |
151 | RETVAL |
183 | RETVAL |
152 | |
184 | |
153 | GdkPixbuf_noinc * |
185 | GdkPixbuf_noinc * |
154 | flop (GdkPixbuf *pb) |
186 | rotate (GdkPixbuf *pb, int angle) |
155 | CODE: |
187 | CODE: |
156 | { |
188 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
157 | int w = gdk_pixbuf_get_width (pb); |
189 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
158 | int h = gdk_pixbuf_get_height (pb); |
190 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
159 | int bpp = gdk_pixbuf_get_n_channels (pb); |
191 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
160 | int x, y, i; |
192 | : 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: |
193 | OUTPUT: |
175 | RETVAL |
194 | RETVAL |
176 | |
195 | |
177 | GdkPixbuf_noinc * |
196 | GdkPixbuf_noinc * |
178 | load_jpeg (char *path, int thumbnail=0) |
197 | load_jpeg (SV *path, int thumbnail=0) |
179 | CODE: |
198 | CODE: |
180 | { |
199 | { |
181 | struct jpeg_decompress_struct cinfo; |
200 | struct jpeg_decompress_struct cinfo; |
182 | struct jpg_err_mgr jerr; |
201 | struct jpg_err_mgr jerr; |
183 | guchar *data; |
202 | guchar *data; |
184 | int rs; |
203 | int rs; |
185 | FILE *fp; |
204 | FILE *fp; |
186 | volatile GdkPixbuf *pb = 0; |
205 | volatile GdkPixbuf *pb = 0; |
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206 | |
187 | RETVAL = 0; |
207 | RETVAL = 0; |
188 | |
208 | |
189 | if (!(fp = fopen (path, "rb"))) |
209 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
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210 | |
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211 | if (!fp) |
190 | XSRETURN_UNDEF; |
212 | XSRETURN_UNDEF; |
191 | |
213 | |
192 | cinfo.err = jpeg_std_error (&jerr.err); |
214 | cinfo.err = jpeg_std_error (&jerr.err); |
193 | |
215 | |
194 | jerr.err.error_exit = cv_error_exit; |
216 | jerr.err.error_exit = cv_error_exit; |
… | |
… | |
275 | foldcase (SV *pathsv) |
297 | foldcase (SV *pathsv) |
276 | PROTOTYPE: $ |
298 | PROTOTYPE: $ |
277 | CODE: |
299 | CODE: |
278 | { |
300 | { |
279 | STRLEN plen; |
301 | STRLEN plen; |
280 | U8 *path = SvPVutf8 (pathsv, plen); |
302 | U8 *path = (U8 *)SvPVutf8 (pathsv, plen); |
281 | U8 *pend = path + plen; |
303 | U8 *pend = path + plen; |
282 | U8 dst [plen * 6 * 3], *dstp = dst; |
304 | U8 dst [plen * 6 * 3], *dstp = dst; |
283 | |
305 | |
284 | while (path < pend) |
306 | while (path < pend) |
285 | { |
307 | { |
… | |
… | |
306 | dstp += cl; |
328 | dstp += cl; |
307 | path += is_utf8_char (path); |
329 | path += is_utf8_char (path); |
308 | } |
330 | } |
309 | } |
331 | } |
310 | |
332 | |
311 | RETVAL = newSVpvn (dst, dstp - dst); |
333 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
312 | } |
334 | } |
313 | OUTPUT: |
335 | OUTPUT: |
314 | RETVAL |
336 | RETVAL |
315 | |
337 | |
316 | GdkPixbuf_noinc * |
338 | GdkPixbuf_noinc * |
317 | p7_to_pb (int w, int h, guchar *src) |
339 | p7_to_pb (int w, int h, SV *src_sv) |
318 | PROTOTYPE: @ |
340 | PROTOTYPE: @ |
319 | CODE: |
341 | CODE: |
320 | { |
342 | { |
321 | int x, y; |
343 | int x, y; |
322 | guchar *dst, *d; |
344 | guchar *dst, *d; |
323 | int dstr; |
345 | int dstr; |
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346 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
324 | |
347 | |
325 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
348 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
326 | dst = gdk_pixbuf_get_pixels (RETVAL); |
349 | dst = gdk_pixbuf_get_pixels (RETVAL); |
327 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
350 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
328 | |
351 | |
… | |
… | |
337 | } |
360 | } |
338 | } |
361 | } |
339 | OUTPUT: |
362 | OUTPUT: |
340 | RETVAL |
363 | RETVAL |
341 | |
364 | |
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365 | ############################################################################# |
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366 | |
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367 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
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368 | |
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369 | void |
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370 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
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371 | CODE: |
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372 | { |
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373 | int w = gdk_pixbuf_get_width (pb); |
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374 | int h = gdk_pixbuf_get_height (pb); |
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375 | int x, y, i; |
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376 | guchar *dst; |
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377 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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378 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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379 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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380 | |
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381 | a85_init (); |
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382 | |
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383 | for (y = 0; y < h; y++) |
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384 | for (x = 0; x < w; x++) |
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385 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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386 | a85_push (fp, src [x * bpp + y * sstr + i]); |
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387 | |
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388 | a85_finish (fp); |
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389 | } |
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390 | |
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391 | void |
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392 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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393 | CODE: |
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394 | { |
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395 | int w = gdk_pixbuf_get_width (pb); |
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396 | int h = gdk_pixbuf_get_height (pb); |
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397 | int x, y, i; |
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398 | guchar *dst; |
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399 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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400 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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401 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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402 | |
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403 | for (y = 0; y < h; y++) |
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404 | for (x = 0; x < w; x++) |
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405 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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406 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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407 | } |
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408 | |
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409 | ############################################################################# |
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410 | |
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411 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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412 | |
342 | SV * |
413 | SV * |
343 | pb_to_p7 (GdkPixbuf *pb) |
414 | pb_to_hv84 (GdkPixbuf *pb) |
344 | CODE: |
415 | CODE: |
345 | { |
416 | { |
346 | int w = gdk_pixbuf_get_width (pb); |
417 | int w = gdk_pixbuf_get_width (pb); |
347 | int h = gdk_pixbuf_get_height (pb); |
418 | int h = gdk_pixbuf_get_height (pb); |
348 | int x, y; |
419 | int x, y; |
349 | guchar *dst; |
420 | guchar *dst; |
350 | int bpp = gdk_pixbuf_get_n_channels (pb); |
421 | int bpp = gdk_pixbuf_get_n_channels (pb); |
351 | guchar *src = gdk_pixbuf_get_pixels (pb); |
422 | guchar *src = gdk_pixbuf_get_pixels (pb); |
352 | int sstr = gdk_pixbuf_get_rowstride (pb); |
423 | int sstr = gdk_pixbuf_get_rowstride (pb); |
353 | int Er[IW], Eg[IW], Eb[IW]; |
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354 | int seed = 77; |
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355 | |
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356 | RETVAL = newSV (w * h); |
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357 | SvPOK_only (RETVAL); |
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358 | SvCUR_set (RETVAL, w * h); |
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359 | |
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360 | dst = SvPVX (RETVAL); |
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361 | |
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362 | memset (Er, 0, sizeof (int) * IW); |
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363 | memset (Eg, 0, sizeof (int) * IW); |
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364 | memset (Eb, 0, sizeof (int) * IW); |
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365 | |
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366 | /* some primitive error distribution + random dithering */ |
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367 | |
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368 | for (y = 0; y < h; y++) |
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369 | { |
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370 | int er = 0, eg = 0, eb = 0; |
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371 | |
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372 | for (x = 0; x < w; x++) |
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373 | { |
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374 | int r, g, b; |
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375 | guchar *p = src + x * bpp + y * sstr; |
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376 | |
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377 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
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378 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
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379 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
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380 | |
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381 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
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382 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
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383 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
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384 | |
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385 | er += p[0] - (r * 255 + 4) / 7; |
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386 | eg += p[1] - (g * 255 + 4) / 7; |
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387 | eb += p[2] - (b * 255 + 2) / 3; |
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388 | |
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389 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
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390 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
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391 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
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392 | |
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393 | *dst++ = r << 5 | g << 2 | b; |
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394 | } |
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395 | } |
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396 | } |
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397 | OUTPUT: |
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398 | RETVAL |
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399 | |
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400 | ############################################################################# |
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401 | |
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402 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
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403 | |
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404 | void |
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405 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
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406 | CODE: |
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407 | { |
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408 | int w = gdk_pixbuf_get_width (pb); |
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409 | int h = gdk_pixbuf_get_height (pb); |
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410 | int x, y, i; |
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411 | guchar *dst; |
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412 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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413 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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414 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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415 | |
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416 | a85_init (); |
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417 | |
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418 | for (y = 0; y < h; y++) |
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419 | for (x = 0; x < w; x++) |
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420 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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421 | a85_push (fp, src [x * bpp + y * sstr + i]); |
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422 | |
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423 | a85_finish (fp); |
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424 | } |
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425 | |
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426 | void |
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427 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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428 | CODE: |
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429 | { |
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430 | int w = gdk_pixbuf_get_width (pb); |
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431 | int h = gdk_pixbuf_get_height (pb); |
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432 | int x, y, i; |
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433 | guchar *dst; |
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434 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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435 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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436 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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437 | |
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438 | for (y = 0; y < h; y++) |
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439 | for (x = 0; x < w; x++) |
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440 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
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441 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
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442 | } |
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443 | |
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444 | ############################################################################# |
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445 | |
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446 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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447 | |
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448 | SV * |
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449 | pb_to_hv84 (GdkPixbuf *pb) |
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450 | CODE: |
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451 | { |
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452 | int w = gdk_pixbuf_get_width (pb); |
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453 | int h = gdk_pixbuf_get_height (pb); |
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454 | int x, y; |
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455 | guchar *dst; |
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456 | int bpp = gdk_pixbuf_get_n_channels (pb); |
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457 | guchar *src = gdk_pixbuf_get_pixels (pb); |
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458 | int sstr = gdk_pixbuf_get_rowstride (pb); |
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459 | |
424 | |
460 | RETVAL = newSV (6 * 8 * 12 / 8); |
425 | RETVAL = newSV (6 * 8 * 12 / 8); |
461 | SvPOK_only (RETVAL); |
426 | SvPOK_only (RETVAL); |
462 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
427 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
463 | |
428 | |
464 | dst = SvPVX (RETVAL); |
429 | dst = (guchar *)SvPVX (RETVAL); |
465 | |
430 | |
466 | /* some primitive error distribution + random dithering */ |
431 | /* some primitive error distribution + random dithering */ |
467 | |
432 | |
468 | for (y = 0; y < h; y++) |
433 | for (y = 0; y < h; y++) |
469 | { |
434 | { |