… | |
… | |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | #include <string.h> |
5 | #include <string.h> |
6 | #include <setjmp.h> |
6 | #include <setjmp.h> |
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7 | #include <math.h> |
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8 | |
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9 | #include <magic.h> |
7 | |
10 | |
8 | #include <jpeglib.h> |
11 | #include <jpeglib.h> |
9 | #include <glib.h> |
12 | #include <glib.h> |
10 | #include <gtk/gtk.h> |
13 | #include <gtk/gtk.h> |
11 | #include <gdk-pixbuf/gdk-pixbuf.h> |
14 | #include <gdk-pixbuf/gdk-pixbuf.h> |
12 | |
15 | |
13 | #include <gperl.h> |
16 | #include <gperl.h> |
14 | #include <gtk2perl.h> |
17 | #include <gtk2perl.h> |
15 | |
18 | |
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19 | #include <assert.h> |
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20 | |
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21 | #include "perlmulticore.h" |
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22 | |
16 | #define IW 80 /* MUST match Schnauer.pm! */ |
23 | #define IW 80 /* MUST match Schnauzer.pm! */ |
17 | #define IH 60 /* MUST match Schnauer.pm! */ |
24 | #define IH 60 /* MUST match Schnauzer.pm! */ |
18 | |
25 | |
19 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
26 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
20 | |
27 | |
21 | #define LINELENGTH 240 |
28 | #define LINELENGTH 240 |
22 | |
29 | |
23 | #define ELLIPSIS "\xe2\x80\xa6" |
30 | #define ELLIPSIS "\xe2\x80\xa6" |
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31 | |
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32 | typedef char *octet_string; |
24 | |
33 | |
25 | struct jpg_err_mgr |
34 | struct jpg_err_mgr |
26 | { |
35 | { |
27 | struct jpeg_error_mgr err; |
36 | struct jpeg_error_mgr err; |
28 | jmp_buf setjmp_buffer; |
37 | jmp_buf setjmp_buffer; |
29 | }; |
38 | }; |
30 | |
39 | |
31 | static void |
40 | static void |
32 | cv_error_exit (j_common_ptr cinfo) |
41 | cv_error_exit (j_common_ptr cinfo) |
33 | { |
42 | { |
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43 | cinfo->err->output_message (cinfo); |
34 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
44 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
35 | } |
45 | } |
36 | |
46 | |
37 | static void |
47 | static void |
38 | cv_error_output (j_common_ptr cinfo) |
48 | cv_error_output (j_common_ptr cinfo) |
39 | { |
49 | { |
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50 | char msg[JMSG_LENGTH_MAX]; |
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51 | |
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52 | cinfo->err->format_message (cinfo, msg); |
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53 | |
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54 | fprintf (stderr, "JPEG decoding error: %s\n", msg); |
40 | return; |
55 | return; |
41 | } |
56 | } |
42 | |
57 | |
43 | static void |
58 | static void |
44 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
59 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
… | |
… | |
65 | |
80 | |
66 | *h &= 255; |
81 | *h &= 255; |
67 | } |
82 | } |
68 | } |
83 | } |
69 | |
84 | |
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85 | struct feature { |
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86 | float v1, v2, v3; // mean, square, cube |
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87 | int n; |
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88 | }; |
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89 | |
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90 | static void |
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91 | feature_init (struct feature *f) |
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92 | { |
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93 | f->v1 = 0.; |
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94 | f->v2 = 0.; |
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95 | f->v3 = 0.; |
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96 | f->n = 0; |
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97 | } |
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98 | |
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99 | // didn't find an algorithm to neatly do mean, variance and skew in one pass. |
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100 | // elmex ist schuld. |
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101 | static void |
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102 | feature_update_pass_1 (struct feature *f, unsigned int v) |
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103 | { |
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104 | f->v1 += v; |
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105 | f->n += 1; |
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106 | } |
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107 | |
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108 | static void |
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109 | feature_finish_pass_1 (struct feature *f) |
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110 | { |
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111 | if (f->n < 1) |
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112 | return; |
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113 | |
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114 | f->v1 /= f->n; |
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115 | } |
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116 | |
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117 | static void |
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118 | feature_update_pass_2 (struct feature *f, unsigned int v) |
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119 | { |
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120 | float d = v - f->v1; |
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121 | |
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122 | f->v2 += d * d; |
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123 | f->v3 += d * d * d; |
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124 | } |
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125 | |
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126 | static void |
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127 | feature_finish_pass_2 (struct feature *f) |
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128 | { |
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129 | if (f->n < 1) |
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130 | return; |
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131 | |
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132 | f->v2 /= f->n; |
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133 | f->v3 /= f->n; |
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134 | |
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135 | f->v1 /= 255.; |
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136 | f->v2 /= 255. * 255.; f->v2 = sqrtf (f->v2); |
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137 | f->v3 /= 255. * 255. * 255.; f->v3 = powf (fabsf (f->v3), 1./3.); |
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138 | } |
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139 | |
70 | static guint32 a85_val; |
140 | static guint32 a85_val; |
71 | static guint a85_cnt; |
141 | static guint a85_cnt; |
72 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
142 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
73 | |
143 | |
74 | static void |
144 | static void |
… | |
… | |
126 | |
196 | |
127 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
197 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
128 | |
198 | |
129 | PROTOTYPES: ENABLE |
199 | PROTOTYPES: ENABLE |
130 | |
200 | |
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201 | # missing function in perl. really :) |
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202 | int |
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203 | common_prefix_length (a, b) |
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204 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
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205 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
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206 | CODE: |
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207 | RETVAL = 0; |
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208 | |
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209 | while (*a == *b && *a) |
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210 | { |
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211 | RETVAL += (*a & 0xc0) != 0x80; |
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212 | a++, b++; |
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213 | } |
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214 | |
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215 | OUTPUT: |
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216 | RETVAL |
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217 | |
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218 | const char * |
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219 | magic (octet_string path) |
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220 | CODE: |
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221 | { |
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222 | static magic_t cookie; |
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223 | |
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224 | if (!cookie) |
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225 | { |
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226 | cookie = magic_open (MAGIC_SYMLINK); |
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227 | |
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228 | if (cookie) |
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229 | magic_load (cookie, 0); |
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230 | else |
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231 | XSRETURN_UNDEF; |
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232 | } |
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233 | |
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234 | RETVAL = magic_file (cookie, path); |
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235 | } |
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236 | OUTPUT: |
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237 | RETVAL |
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238 | |
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239 | const char * |
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240 | magic_mime (octet_string path) |
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241 | CODE: |
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242 | { |
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243 | static magic_t cookie; |
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244 | |
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245 | if (!cookie) |
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246 | { |
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247 | cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK); |
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248 | |
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249 | if (cookie) |
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250 | magic_load (cookie, 0); |
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251 | else |
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252 | XSRETURN_UNDEF; |
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253 | } |
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254 | |
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255 | perlinterp_release (); |
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256 | RETVAL = magic_file (cookie, path); |
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257 | perlinterp_acquire (); |
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258 | } |
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259 | OUTPUT: |
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260 | RETVAL |
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261 | |
131 | # missing in Gtk2 perl module |
262 | # missing/broken in Gtk2 perl module |
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263 | |
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264 | void |
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265 | gdk_window_clear_hints (GdkWindow *window) |
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266 | CODE: |
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267 | gdk_window_set_geometry_hints (window, 0, 0); |
132 | |
268 | |
133 | gboolean |
269 | gboolean |
134 | gdk_net_wm_supports (GdkAtom property) |
270 | gdk_net_wm_supports (GdkAtom property) |
135 | CODE: |
271 | CODE: |
136 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
272 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
… | |
… | |
140 | #endif |
276 | #endif |
141 | OUTPUT: |
277 | OUTPUT: |
142 | RETVAL |
278 | RETVAL |
143 | |
279 | |
144 | GdkPixbuf_noinc * |
280 | GdkPixbuf_noinc * |
145 | transpose (GdkPixbuf *pb) |
281 | dealpha_expose (GdkPixbuf *pb) |
146 | CODE: |
282 | CODE: |
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283 | perlinterp_release (); |
147 | { |
284 | { |
148 | int w = gdk_pixbuf_get_width (pb); |
285 | int w = gdk_pixbuf_get_width (pb); |
149 | int h = gdk_pixbuf_get_height (pb); |
286 | int h = gdk_pixbuf_get_height (pb); |
150 | int bpp = gdk_pixbuf_get_n_channels (pb); |
287 | int bpp = gdk_pixbuf_get_n_channels (pb); |
151 | int x, y, i; |
288 | int x, y, i; |
152 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
289 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
153 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
290 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
154 | |
291 | |
155 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
292 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
156 | |
293 | |
157 | dst = gdk_pixbuf_get_pixels (RETVAL); |
294 | dst = gdk_pixbuf_get_pixels (RETVAL); |
158 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
295 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
159 | |
296 | |
160 | for (y = 0; y < h; y++) |
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161 | for (x = 0; x < w; x++) |
297 | for (x = 0; x < w; x++) |
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298 | for (y = 0; y < h; y++) |
162 | for (i = 0; i < bpp; i++) |
299 | for (i = 0; i < 3; i++) |
163 | dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; |
300 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
164 | } |
301 | } |
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302 | perlinterp_acquire (); |
165 | OUTPUT: |
303 | OUTPUT: |
166 | RETVAL |
304 | RETVAL |
167 | |
305 | |
168 | GdkPixbuf_noinc * |
306 | GdkPixbuf_noinc * |
169 | flop (GdkPixbuf *pb) |
307 | rotate (GdkPixbuf *pb, int angle) |
170 | CODE: |
308 | CODE: |
171 | { |
309 | perlinterp_release (); |
172 | int w = gdk_pixbuf_get_width (pb); |
310 | if (angle < 0) |
173 | int h = gdk_pixbuf_get_height (pb); |
311 | angle += 360; |
174 | int bpp = gdk_pixbuf_get_n_channels (pb); |
312 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
175 | int x, y, i; |
313 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
176 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
314 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
177 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
315 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
178 | |
316 | : angle); |
179 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
317 | perlinterp_acquire (); |
180 | |
|
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181 | dst = gdk_pixbuf_get_pixels (RETVAL); |
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182 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
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183 | |
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184 | for (y = 0; y < h; y++) |
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185 | for (x = 0; x < w; x++) |
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186 | for (i = 0; i < bpp; i++) |
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187 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
|
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188 | } |
|
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189 | OUTPUT: |
318 | OUTPUT: |
190 | RETVAL |
319 | RETVAL |
191 | |
320 | |
192 | GdkPixbuf_noinc * |
321 | GdkPixbuf_noinc * |
193 | load_jpeg (SV *path, int thumbnail=0) |
322 | load_jpeg (SV *path, int thumbnail = 0, int iw = 0, int ih = 0) |
194 | CODE: |
323 | CODE: |
195 | { |
324 | { |
196 | struct jpeg_decompress_struct cinfo; |
325 | struct jpeg_decompress_struct cinfo; |
197 | struct jpg_err_mgr jerr; |
326 | struct jpg_err_mgr jerr; |
198 | guchar *data; |
327 | guchar *data; |
199 | int rs; |
328 | int rs; |
200 | FILE *fp; |
329 | FILE *fp; |
201 | volatile GdkPixbuf *pb = 0; |
330 | volatile GdkPixbuf *pb = 0; |
202 | gchar *filename; |
|
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203 | |
331 | |
204 | RETVAL = 0; |
332 | RETVAL = 0; |
205 | |
333 | |
206 | filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0); |
|
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207 | fp = fopen (filename, "rb"); |
334 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
208 | g_free (filename); |
|
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209 | |
335 | |
210 | if (!fp) |
336 | if (!fp) |
211 | XSRETURN_UNDEF; |
337 | XSRETURN_UNDEF; |
212 | |
338 | |
|
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339 | perlinterp_release (); |
|
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340 | |
213 | cinfo.err = jpeg_std_error (&jerr.err); |
341 | cinfo.err = jpeg_std_error (&jerr.err); |
214 | |
342 | |
215 | jerr.err.error_exit = cv_error_exit; |
343 | jerr.err.error_exit = cv_error_exit; |
216 | jerr.err.output_message = cv_error_output; |
344 | jerr.err.output_message = cv_error_output; |
217 | |
345 | |
… | |
… | |
221 | jpeg_destroy_decompress (&cinfo); |
349 | jpeg_destroy_decompress (&cinfo); |
222 | |
350 | |
223 | if (pb) |
351 | if (pb) |
224 | g_object_unref ((gpointer)pb); |
352 | g_object_unref ((gpointer)pb); |
225 | |
353 | |
|
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354 | perlinterp_acquire (); |
226 | XSRETURN_UNDEF; |
355 | XSRETURN_UNDEF; |
227 | } |
356 | } |
228 | |
357 | |
229 | jpeg_create_decompress (&cinfo); |
358 | jpeg_create_decompress (&cinfo); |
230 | |
359 | |
… | |
… | |
246 | { |
375 | { |
247 | cinfo.dct_method = JDCT_FASTEST; |
376 | cinfo.dct_method = JDCT_FASTEST; |
248 | cinfo.do_fancy_upsampling = FALSE; |
377 | cinfo.do_fancy_upsampling = FALSE; |
249 | |
378 | |
250 | while (cinfo.scale_denom < 8 |
379 | while (cinfo.scale_denom < 8 |
251 | && cinfo.output_width >= IW*4 |
380 | && cinfo.output_width >= iw*4 |
252 | && cinfo.output_height >= IH*4) |
381 | && cinfo.output_height >= ih*4) |
253 | { |
382 | { |
254 | cinfo.scale_denom <<= 1; |
383 | cinfo.scale_denom <<= 1; |
255 | jpeg_calc_output_dimensions (&cinfo); |
384 | jpeg_calc_output_dimensions (&cinfo); |
256 | } |
385 | } |
257 | } |
386 | } |
258 | |
387 | |
|
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388 | if (cinfo.output_components != 3) |
|
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389 | longjmp (jerr.setjmp_buffer, 3); |
|
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390 | |
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391 | if (cinfo.jpeg_color_space == JCS_YCCK || cinfo.jpeg_color_space == JCS_CMYK) |
|
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392 | { |
|
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393 | cinfo.out_color_space = JCS_CMYK; |
|
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394 | cinfo.output_components = 4; |
|
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395 | } |
|
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396 | |
259 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height); |
397 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, cinfo.output_components == 4, 8, cinfo.output_width, cinfo.output_height); |
260 | if (!RETVAL) |
398 | if (!RETVAL) |
261 | longjmp (jerr.setjmp_buffer, 2); |
399 | longjmp (jerr.setjmp_buffer, 2); |
262 | |
400 | |
263 | data = gdk_pixbuf_get_pixels (RETVAL); |
401 | data = gdk_pixbuf_get_pixels (RETVAL); |
264 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
402 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
265 | |
|
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266 | if (cinfo.output_components != 3) |
|
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267 | longjmp (jerr.setjmp_buffer, 3); |
|
|
268 | |
403 | |
269 | jpeg_start_decompress (&cinfo); |
404 | jpeg_start_decompress (&cinfo); |
270 | |
405 | |
271 | while (cinfo.output_scanline < cinfo.output_height) |
406 | while (cinfo.output_scanline < cinfo.output_height) |
272 | { |
407 | { |
… | |
… | |
279 | rp [3] = (guchar *)rp [2] + rs; |
414 | rp [3] = (guchar *)rp [2] + rs; |
280 | |
415 | |
281 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
416 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
282 | } |
417 | } |
283 | |
418 | |
|
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419 | if (cinfo.out_color_space == JCS_CMYK) |
|
|
420 | { |
|
|
421 | guchar *end = data + cinfo.output_height * rs; |
|
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422 | |
|
|
423 | while (data < end) |
|
|
424 | { |
|
|
425 | U32 c = data [0]; |
|
|
426 | U32 m = data [1]; |
|
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427 | U32 y = data [2]; |
|
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428 | U32 k = data [3]; |
|
|
429 | |
|
|
430 | data [0] = c * k / 255; |
|
|
431 | data [1] = m * k / 255; |
|
|
432 | data [2] = y * k / 255; |
|
|
433 | data [3] = 255; |
|
|
434 | |
|
|
435 | data += 4; |
|
|
436 | } |
|
|
437 | } |
|
|
438 | |
284 | jpeg_finish_decompress (&cinfo); |
439 | jpeg_finish_decompress (&cinfo); |
285 | fclose (fp); |
440 | fclose (fp); |
286 | jpeg_destroy_decompress (&cinfo); |
441 | jpeg_destroy_decompress (&cinfo); |
|
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442 | perlinterp_acquire (); |
287 | } |
443 | } |
288 | OUTPUT: |
444 | OUTPUT: |
289 | RETVAL |
445 | RETVAL |
|
|
446 | |
|
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447 | void |
|
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448 | compare (GdkPixbuf *a, GdkPixbuf *b) |
|
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449 | PPCODE: |
|
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450 | perlinterp_release (); |
|
|
451 | { |
|
|
452 | int w = gdk_pixbuf_get_width (a); |
|
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453 | int h = gdk_pixbuf_get_height (a); |
|
|
454 | |
|
|
455 | int sa = gdk_pixbuf_get_rowstride (a); |
|
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456 | int sb = gdk_pixbuf_get_rowstride (b); |
|
|
457 | |
|
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458 | guchar *pa = gdk_pixbuf_get_pixels (a); |
|
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459 | guchar *pb = gdk_pixbuf_get_pixels (b); |
|
|
460 | |
|
|
461 | int x, y; |
|
|
462 | |
|
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463 | assert (w == gdk_pixbuf_get_width (b)); |
|
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464 | assert (h == gdk_pixbuf_get_height (b)); |
|
|
465 | |
|
|
466 | assert (gdk_pixbuf_get_n_channels (a) == 3); |
|
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467 | assert (gdk_pixbuf_get_n_channels (b) == 3); |
|
|
468 | |
|
|
469 | double diff = 0.; |
|
|
470 | int peak = 0; |
|
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471 | |
|
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472 | if (w && h) |
|
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473 | for (y = 0; y < h; y++) |
|
|
474 | { |
|
|
475 | guchar *pa_ = pa + y * sa; |
|
|
476 | guchar *pb_ = pb + y * sb; |
|
|
477 | |
|
|
478 | for (x = 0; x < w; x++) |
|
|
479 | { |
|
|
480 | int d; |
|
|
481 | |
|
|
482 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
483 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
484 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
485 | } |
|
|
486 | } |
|
|
487 | |
|
|
488 | perlinterp_acquire (); |
|
|
489 | |
|
|
490 | EXTEND (SP, 2); |
|
|
491 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
|
|
492 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
|
|
493 | } |
290 | |
494 | |
291 | ############################################################################# |
495 | ############################################################################# |
292 | |
496 | |
293 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
497 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
|
|
498 | |
|
|
499 | # currently only works for filenames (octet strings) |
294 | |
500 | |
295 | SV * |
501 | SV * |
296 | foldcase (SV *pathsv) |
502 | foldcase (SV *pathsv) |
297 | PROTOTYPE: $ |
503 | PROTOTYPE: $ |
298 | CODE: |
504 | CODE: |
299 | { |
505 | { |
300 | STRLEN plen; |
506 | STRLEN plen; |
301 | U8 *path = SvPVutf8 (pathsv, plen); |
507 | U8 *path = (U8 *)SvPV (pathsv, plen); |
302 | U8 *pend = path + plen; |
508 | U8 *pend = path + plen; |
303 | U8 dst [plen * 6 * 3], *dstp = dst; |
509 | U8 dst [plen * 6 * 3], *dstp = dst; |
304 | |
510 | |
305 | while (path < pend) |
511 | while (path < pend) |
306 | { |
512 | { |
307 | U8 ch = *path; |
513 | U8 ch = *path; |
308 | |
514 | |
309 | if (ch >= 'a' && ch <= 'z') |
515 | if (ch >= 'a' && ch <= 'z') |
310 | *dstp++ = *path++; |
516 | *dstp++ = *path++; |
|
|
517 | else if (ch >= 'A' && ch <= 'Z') |
|
|
518 | *dstp++ = *path++ + ('a' - 'A'); |
311 | else if (ch >= '0' && ch <= '9') |
519 | else if (ch >= '0' && ch <= '9') |
312 | { |
520 | { |
313 | STRLEN el, nl = 0; |
521 | STRLEN el, nl = 0; |
314 | while (*path >= '0' && *path <= '9' && path < pend) |
522 | while (*path >= '0' && *path <= '9' && path < pend) |
315 | path++, nl++; |
523 | path++, nl++; |
… | |
… | |
318 | *dstp++ = '0'; |
526 | *dstp++ = '0'; |
319 | |
527 | |
320 | memcpy (dstp, path - nl, nl); |
528 | memcpy (dstp, path - nl, nl); |
321 | dstp += nl; |
529 | dstp += nl; |
322 | } |
530 | } |
|
|
531 | else |
|
|
532 | *dstp++ = *path++; |
|
|
533 | #if 0 |
323 | else |
534 | else |
324 | { |
535 | { |
325 | STRLEN cl; |
536 | STRLEN cl; |
326 | to_utf8_fold (path, dstp, &cl); |
537 | to_utf8_fold (path, dstp, &cl); |
327 | dstp += cl; |
538 | dstp += cl; |
328 | path += is_utf8_char (path); |
539 | path += is_utf8_char (path); |
329 | } |
540 | } |
|
|
541 | #endif |
330 | } |
542 | } |
331 | |
543 | |
332 | RETVAL = newSVpvn (dst, dstp - dst); |
544 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
333 | } |
545 | } |
334 | OUTPUT: |
546 | OUTPUT: |
335 | RETVAL |
547 | RETVAL |
336 | |
548 | |
337 | GdkPixbuf_noinc * |
549 | GdkPixbuf_noinc * |
338 | p7_to_pb (int w, int h, guchar *src) |
550 | p7_to_pb (int w, int h, SV *src_sv) |
339 | PROTOTYPE: @ |
551 | PROTOTYPE: @ |
340 | CODE: |
552 | CODE: |
341 | { |
553 | { |
342 | int x, y; |
554 | int x, y; |
343 | guchar *dst, *d; |
555 | guchar *dst, *d; |
344 | int dstr; |
556 | int dstr; |
|
|
557 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
345 | |
558 | |
346 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
559 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
347 | dst = gdk_pixbuf_get_pixels (RETVAL); |
560 | dst = gdk_pixbuf_get_pixels (RETVAL); |
348 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
561 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
349 | |
562 | |
… | |
… | |
358 | } |
571 | } |
359 | } |
572 | } |
360 | OUTPUT: |
573 | OUTPUT: |
361 | RETVAL |
574 | RETVAL |
362 | |
575 | |
|
|
576 | ############################################################################# |
|
|
577 | |
|
|
578 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
579 | |
|
|
580 | void |
|
|
581 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
582 | CODE: |
|
|
583 | { |
|
|
584 | int w = gdk_pixbuf_get_width (pb); |
|
|
585 | int h = gdk_pixbuf_get_height (pb); |
|
|
586 | int x, y, i; |
|
|
587 | guchar *dst; |
|
|
588 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
589 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
590 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
591 | |
|
|
592 | a85_init (); |
|
|
593 | |
|
|
594 | for (y = 0; y < h; y++) |
|
|
595 | for (x = 0; x < w; x++) |
|
|
596 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
597 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
598 | |
|
|
599 | a85_finish (fp); |
|
|
600 | } |
|
|
601 | |
|
|
602 | void |
|
|
603 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
604 | CODE: |
|
|
605 | { |
|
|
606 | int w = gdk_pixbuf_get_width (pb); |
|
|
607 | int h = gdk_pixbuf_get_height (pb); |
|
|
608 | int x, y, i; |
|
|
609 | guchar *dst; |
|
|
610 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
611 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
612 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
613 | |
|
|
614 | for (y = 0; y < h; y++) |
|
|
615 | for (x = 0; x < w; x++) |
|
|
616 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
617 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
618 | } |
|
|
619 | |
|
|
620 | ############################################################################# |
|
|
621 | |
|
|
622 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
623 | |
363 | SV * |
624 | SV * |
364 | pb_to_p7 (GdkPixbuf *pb) |
625 | pb_to_hv84 (GdkPixbuf *pb) |
365 | CODE: |
626 | CODE: |
366 | { |
627 | { |
367 | int w = gdk_pixbuf_get_width (pb); |
628 | int w = gdk_pixbuf_get_width (pb); |
368 | int h = gdk_pixbuf_get_height (pb); |
629 | int h = gdk_pixbuf_get_height (pb); |
369 | int x, y; |
630 | int x, y; |
370 | guchar *dst; |
631 | guchar *dst; |
371 | int bpp = gdk_pixbuf_get_n_channels (pb); |
632 | int bpp = gdk_pixbuf_get_n_channels (pb); |
372 | guchar *src = gdk_pixbuf_get_pixels (pb); |
633 | guchar *src = gdk_pixbuf_get_pixels (pb); |
373 | int sstr = gdk_pixbuf_get_rowstride (pb); |
634 | int sstr = gdk_pixbuf_get_rowstride (pb); |
374 | int Er[IW], Eg[IW], Eb[IW]; |
|
|
375 | int seed = 77; |
|
|
376 | |
|
|
377 | RETVAL = newSV (w * h); |
|
|
378 | SvPOK_only (RETVAL); |
|
|
379 | SvCUR_set (RETVAL, w * h); |
|
|
380 | |
|
|
381 | dst = SvPVX (RETVAL); |
|
|
382 | |
|
|
383 | memset (Er, 0, sizeof (int) * IW); |
|
|
384 | memset (Eg, 0, sizeof (int) * IW); |
|
|
385 | memset (Eb, 0, sizeof (int) * IW); |
|
|
386 | |
|
|
387 | /* some primitive error distribution + random dithering */ |
|
|
388 | |
|
|
389 | for (y = 0; y < h; y++) |
|
|
390 | { |
|
|
391 | int er = 0, eg = 0, eb = 0; |
|
|
392 | |
|
|
393 | for (x = 0; x < w; x++) |
|
|
394 | { |
|
|
395 | int r, g, b; |
|
|
396 | guchar *p = src + x * bpp + y * sstr; |
|
|
397 | |
|
|
398 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
399 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
400 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
|
|
401 | |
|
|
402 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
|
|
403 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
|
|
404 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
|
|
405 | |
|
|
406 | er += p[0] - (r * 255 + 4) / 7; |
|
|
407 | eg += p[1] - (g * 255 + 4) / 7; |
|
|
408 | eb += p[2] - (b * 255 + 2) / 3; |
|
|
409 | |
|
|
410 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
|
|
411 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
|
|
412 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
|
|
413 | |
|
|
414 | *dst++ = r << 5 | g << 2 | b; |
|
|
415 | } |
|
|
416 | } |
|
|
417 | } |
|
|
418 | OUTPUT: |
|
|
419 | RETVAL |
|
|
420 | |
|
|
421 | ############################################################################# |
|
|
422 | |
|
|
423 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
424 | |
|
|
425 | void |
|
|
426 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
427 | CODE: |
|
|
428 | { |
|
|
429 | int w = gdk_pixbuf_get_width (pb); |
|
|
430 | int h = gdk_pixbuf_get_height (pb); |
|
|
431 | int x, y, i; |
|
|
432 | guchar *dst; |
|
|
433 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
434 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
435 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
436 | |
|
|
437 | a85_init (); |
|
|
438 | |
|
|
439 | for (y = 0; y < h; y++) |
|
|
440 | for (x = 0; x < w; x++) |
|
|
441 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
442 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
443 | |
|
|
444 | a85_finish (fp); |
|
|
445 | } |
|
|
446 | |
|
|
447 | void |
|
|
448 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
449 | CODE: |
|
|
450 | { |
|
|
451 | int w = gdk_pixbuf_get_width (pb); |
|
|
452 | int h = gdk_pixbuf_get_height (pb); |
|
|
453 | int x, y, i; |
|
|
454 | guchar *dst; |
|
|
455 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
456 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
457 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
458 | |
|
|
459 | for (y = 0; y < h; y++) |
|
|
460 | for (x = 0; x < w; x++) |
|
|
461 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
462 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
463 | } |
|
|
464 | |
|
|
465 | ############################################################################# |
|
|
466 | |
|
|
467 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
468 | |
|
|
469 | SV * |
|
|
470 | pb_to_hv84 (GdkPixbuf *pb) |
|
|
471 | CODE: |
|
|
472 | { |
|
|
473 | int w = gdk_pixbuf_get_width (pb); |
|
|
474 | int h = gdk_pixbuf_get_height (pb); |
|
|
475 | int x, y; |
|
|
476 | guchar *dst; |
|
|
477 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
478 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
479 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
480 | |
635 | |
481 | RETVAL = newSV (6 * 8 * 12 / 8); |
636 | RETVAL = newSV (6 * 8 * 12 / 8); |
482 | SvPOK_only (RETVAL); |
637 | SvPOK_only (RETVAL); |
483 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
638 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
484 | |
639 | |
485 | dst = SvPVX (RETVAL); |
640 | dst = (guchar *)SvPVX (RETVAL); |
486 | |
641 | |
487 | /* some primitive error distribution + random dithering */ |
642 | /* some primitive error distribution + random dithering */ |
488 | |
643 | |
489 | for (y = 0; y < h; y++) |
644 | for (y = 0; y < h; y++) |
490 | { |
645 | { |
… | |
… | |
553 | ############################################################################# |
708 | ############################################################################# |
554 | |
709 | |
555 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
710 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
556 | |
711 | |
557 | SV * |
712 | SV * |
558 | make_histograms (SV *ar) |
713 | extract_features (SV *ar) |
559 | CODE: |
714 | CODE: |
560 | { |
715 | { |
561 | int i; |
716 | int i; |
562 | AV *av, *result; |
717 | AV *av, *result; |
563 | |
718 | |
564 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
719 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
565 | croak ("Not an array ref as first argument to make_histogram"); |
720 | croak ("Not an array ref as first argument to extract_features"); |
566 | |
721 | |
567 | av = (AV *) SvRV (ar); |
722 | av = (AV *) SvRV (ar); |
568 | result = newAV (); |
723 | result = newAV (); |
569 | |
724 | |
570 | for (i = 0; i <= av_len (av); ++i) |
725 | for (i = 0; i <= av_len (av); ++i) |
571 | { |
726 | { |
572 | const int HISTSIZE = 64; |
|
|
573 | |
|
|
574 | int j; |
|
|
575 | SV *sv = *av_fetch (av, i, 1); |
727 | SV *sv = *av_fetch (av, i, 1); |
576 | STRLEN len; |
|
|
577 | char *buf = SvPVbyte (sv, len); |
|
|
578 | |
|
|
579 | int tmphist[HISTSIZE]; |
|
|
580 | float *hist; |
|
|
581 | |
|
|
582 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
728 | SV *histsv = newSV (9 * sizeof (float) + 1); |
|
|
729 | |
583 | SvPOK_on (histsv); |
730 | SvPOK_on (histsv); |
584 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
731 | SvCUR_set (histsv, 9 * sizeof (float)); |
585 | hist = (float *)SvPVX (histsv); |
732 | float *hist = (float *)SvPVX (histsv); |
586 | |
733 | |
587 | Zero (tmphist, sizeof (tmphist), char); |
734 | struct feature f_h, f_s, f_v; |
|
|
735 | feature_init (&f_h); |
|
|
736 | feature_init (&f_s); |
|
|
737 | feature_init (&f_v); |
588 | |
738 | |
589 | for (j = len; j--; ) |
|
|
590 | { |
|
|
591 | unsigned int idx |
|
|
592 | = ((*buf & 0xc0) >> 2) |
|
|
593 | | ((*buf & 0x18) >> 1) |
|
|
594 | | (*buf & 0x03); |
|
|
595 | |
|
|
596 | ++tmphist[idx]; |
|
|
597 | ++buf; |
|
|
598 | } |
|
|
599 | |
739 | { |
600 | for (j = 0; j < HISTSIZE; ++j) |
740 | STRLEN len; |
601 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
741 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
742 | while (len >= 3) |
|
|
743 | { |
|
|
744 | unsigned int r, g, b, h, s, v; |
|
|
745 | r = *buf++; g = *buf++; b = *buf++; |
|
|
746 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
747 | |
|
|
748 | feature_update_pass_1 (&f_h, h); |
|
|
749 | feature_update_pass_1 (&f_s, s); |
|
|
750 | feature_update_pass_1 (&f_v, v); |
|
|
751 | |
|
|
752 | len -= 3; |
|
|
753 | } |
|
|
754 | |
|
|
755 | feature_finish_pass_1 (&f_h); |
|
|
756 | feature_finish_pass_1 (&f_s); |
|
|
757 | feature_finish_pass_1 (&f_v); |
|
|
758 | } |
|
|
759 | |
|
|
760 | { |
|
|
761 | STRLEN len; |
|
|
762 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
763 | while (len >= 3) |
|
|
764 | { |
|
|
765 | unsigned int r, g, b, h, s, v; |
|
|
766 | r = *buf++; g = *buf++; b = *buf++; |
|
|
767 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
768 | |
|
|
769 | feature_update_pass_2 (&f_h, h); |
|
|
770 | feature_update_pass_2 (&f_s, s); |
|
|
771 | feature_update_pass_2 (&f_v, v); |
|
|
772 | |
|
|
773 | len -= 3; |
|
|
774 | } |
|
|
775 | |
|
|
776 | feature_finish_pass_2 (&f_h); |
|
|
777 | feature_finish_pass_2 (&f_s); |
|
|
778 | feature_finish_pass_2 (&f_v); |
|
|
779 | } |
|
|
780 | |
|
|
781 | hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.; |
|
|
782 | hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ; |
|
|
783 | hist [6] = f_v.v1 * .5; hist [7] = f_v.v2 * .5; hist [8] = f_v.v3 * .5; |
602 | |
784 | |
603 | av_push (result, histsv); |
785 | av_push (result, histsv); |
604 | } |
786 | } |
605 | |
787 | |
606 | RETVAL = newRV_noinc ((SV *)result); |
788 | RETVAL = newRV_noinc ((SV *)result); |
607 | } |
789 | } |
608 | OUTPUT: |
790 | OUTPUT: |
609 | RETVAL |
791 | RETVAL |
610 | |
792 | |
611 | |
|
|