1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
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5 | #include <string.h> |
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6 | #include <setjmp.h> |
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7 | |
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8 | #include <jpeglib.h> |
5 | #include <gdk-pixbuf/gdk-pixbuf.h> |
9 | #include <gdk-pixbuf/gdk-pixbuf.h> |
6 | |
10 | |
7 | #include <gperl.h> |
11 | #include <gperl.h> |
8 | #include <gtk2perl.h> |
12 | #include <gtk2perl.h> |
9 | |
13 | |
10 | #define IW 80 |
14 | #define IW 80 /* MUST match Schnauer.pm! */ |
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15 | #define IH 60 /* MUST match Schnauer.pm! */ |
11 | |
16 | |
12 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
17 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
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18 | |
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19 | #define LINELENGTH 240 |
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20 | |
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21 | #define ELLIPSIS "\xe2\x80\xa6" |
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22 | |
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23 | struct jpg_err_mgr |
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24 | { |
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25 | struct jpeg_error_mgr err; |
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26 | jmp_buf setjmp_buffer; |
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27 | }; |
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28 | |
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29 | static void |
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30 | cv_error_exit (j_common_ptr cinfo) |
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31 | { |
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32 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
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33 | } |
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34 | |
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35 | static void |
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36 | cv_error_output (j_common_ptr cinfo) |
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37 | { |
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38 | return; |
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39 | } |
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40 | |
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41 | static void |
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42 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
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43 | unsigned int *h, unsigned int *s, unsigned int *v) |
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44 | { |
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45 | unsigned int mx = r; if (g > mx) mx = g; if (b > mx) mx = b; |
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46 | unsigned int mn = r; if (g < mn) mn = g; if (b < mn) mn = b; |
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47 | unsigned int delta = mx - mn; |
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48 | |
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49 | *v = mx; |
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50 | |
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51 | *s = mx ? delta * 255 / mx : 0; |
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52 | |
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53 | if (delta == 0) |
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54 | *h = 0; |
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55 | else |
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56 | { |
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57 | if (r == mx) |
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58 | *h = ((int)g - (int)b) * 255 / (int)(delta * 3); |
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59 | else if (g == mx) |
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60 | *h = ((int)b - (int)r) * 255 / (int)(delta * 3) + 52; |
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61 | else if (b == mx) |
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62 | *h = ((int)r - (int)g) * 255 / (int)(delta * 3) + 103; |
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63 | |
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64 | *h &= 255; |
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65 | } |
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66 | } |
13 | |
67 | |
14 | static guint32 a85_val; |
68 | static guint32 a85_val; |
15 | static guint a85_cnt; |
69 | static guint a85_cnt; |
16 | static guchar a85_buf[80], *a85_ptr; |
70 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
17 | |
71 | |
18 | static void |
72 | static void |
19 | a85_init (void) |
73 | a85_init (void) |
20 | { |
74 | { |
21 | a85_cnt = 4; |
75 | a85_cnt = 4; |
… | |
… | |
51 | } |
105 | } |
52 | } |
106 | } |
53 | |
107 | |
54 | } |
108 | } |
55 | |
109 | |
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110 | static void |
56 | a85_finish (PerlIO *fp) |
111 | a85_finish (PerlIO *fp) |
57 | { |
112 | { |
58 | while (a85_cnt != 4) |
113 | while (a85_cnt != 4) |
59 | a85_push (fp, 0); |
114 | a85_push (fp, 0); |
60 | |
115 | |
… | |
… | |
63 | *a85_ptr++ = '\n'; |
118 | *a85_ptr++ = '\n'; |
64 | |
119 | |
65 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
120 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
66 | } |
121 | } |
67 | |
122 | |
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123 | ///////////////////////////////////////////////////////////////////////////// |
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124 | |
68 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::ImageWindow |
125 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
69 | |
126 | |
70 | PROTOTYPES: ENABLE |
127 | PROTOTYPES: ENABLE |
71 | |
128 | |
72 | GdkPixbuf_noinc * |
129 | GdkPixbuf_noinc * |
73 | transpose (GdkPixbuf *pb) |
130 | transpose (GdkPixbuf *pb) |
74 | CODE: |
131 | CODE: |
75 | { |
132 | { |
76 | int w = gdk_pixbuf_get_width (pb); |
133 | int w = gdk_pixbuf_get_width (pb); |
77 | int h = gdk_pixbuf_get_height (pb); |
134 | int h = gdk_pixbuf_get_height (pb); |
78 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
135 | int bpp = gdk_pixbuf_get_n_channels (pb); |
79 | int x, y, i; |
136 | int x, y, i; |
80 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
137 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
81 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
138 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
82 | |
139 | |
83 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
140 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
… | |
… | |
97 | flop (GdkPixbuf *pb) |
154 | flop (GdkPixbuf *pb) |
98 | CODE: |
155 | CODE: |
99 | { |
156 | { |
100 | int w = gdk_pixbuf_get_width (pb); |
157 | int w = gdk_pixbuf_get_width (pb); |
101 | int h = gdk_pixbuf_get_height (pb); |
158 | int h = gdk_pixbuf_get_height (pb); |
102 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
159 | int bpp = gdk_pixbuf_get_n_channels (pb); |
103 | int x, y, i; |
160 | int x, y, i; |
104 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
161 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
105 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
162 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
106 | |
163 | |
107 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
164 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
… | |
… | |
115 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
172 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
116 | } |
173 | } |
117 | OUTPUT: |
174 | OUTPUT: |
118 | RETVAL |
175 | RETVAL |
119 | |
176 | |
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177 | GdkPixbuf_noinc * |
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178 | load_jpeg (char *path, int thumbnail=0) |
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179 | CODE: |
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180 | { |
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181 | struct jpeg_decompress_struct cinfo; |
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182 | struct jpg_err_mgr jerr; |
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183 | guchar *data; |
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184 | int rs; |
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185 | FILE *fp; |
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186 | volatile GdkPixbuf *pb = 0; |
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187 | RETVAL = 0; |
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188 | |
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189 | if (!(fp = fopen (path, "rb"))) |
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190 | XSRETURN_UNDEF; |
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191 | |
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192 | cinfo.err = jpeg_std_error (&jerr.err); |
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193 | |
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194 | jerr.err.error_exit = cv_error_exit; |
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195 | jerr.err.output_message = cv_error_output; |
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196 | |
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197 | if ((rs = setjmp (jerr.setjmp_buffer))) |
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198 | { |
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199 | fclose (fp); |
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200 | jpeg_destroy_decompress (&cinfo); |
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201 | |
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202 | if (pb) |
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203 | g_object_unref ((gpointer)pb); |
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204 | |
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205 | XSRETURN_UNDEF; |
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206 | } |
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207 | |
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208 | jpeg_create_decompress (&cinfo); |
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209 | |
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210 | jpeg_stdio_src (&cinfo, fp); |
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211 | jpeg_read_header (&cinfo, TRUE); |
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212 | |
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213 | cinfo.dct_method = JDCT_DEFAULT; |
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214 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
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215 | cinfo.do_block_smoothing = FALSE; |
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216 | cinfo.out_color_space = JCS_RGB; |
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217 | cinfo.quantize_colors = FALSE; |
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218 | |
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219 | cinfo.scale_num = 1; |
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220 | cinfo.scale_denom = 1; |
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221 | |
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222 | jpeg_calc_output_dimensions (&cinfo); |
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223 | |
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224 | if (thumbnail) |
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225 | { |
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226 | cinfo.dct_method = JDCT_FASTEST; |
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227 | cinfo.do_fancy_upsampling = FALSE; |
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228 | |
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229 | while (cinfo.scale_denom < 8 |
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230 | && (cinfo.output_width >> 1) >= IW |
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231 | && (cinfo.output_height >> 1) >= IH) |
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232 | { |
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233 | cinfo.scale_denom <<= 1; |
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234 | jpeg_calc_output_dimensions (&cinfo); |
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235 | } |
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236 | } |
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237 | |
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238 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height); |
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239 | if (!RETVAL) |
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240 | longjmp (jerr.setjmp_buffer, 2); |
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241 | |
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242 | data = gdk_pixbuf_get_pixels (RETVAL); |
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243 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
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244 | |
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245 | if (cinfo.output_components != 3) |
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246 | longjmp (jerr.setjmp_buffer, 3); |
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247 | |
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248 | jpeg_start_decompress (&cinfo); |
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249 | |
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250 | while (cinfo.output_scanline < cinfo.output_height) |
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251 | { |
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252 | int remaining = cinfo.output_height - cinfo.output_scanline; |
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253 | JSAMPROW rp[4]; |
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254 | |
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255 | rp [0] = data + cinfo.output_scanline * rs; |
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256 | rp [1] = (guchar *)rp [0] + rs; |
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257 | rp [2] = (guchar *)rp [1] + rs; |
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258 | rp [3] = (guchar *)rp [2] + rs; |
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259 | |
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260 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
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261 | } |
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262 | |
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263 | jpeg_finish_decompress (&cinfo); |
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264 | fclose (fp); |
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265 | jpeg_destroy_decompress (&cinfo); |
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266 | } |
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267 | OUTPUT: |
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268 | RETVAL |
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269 | |
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270 | ############################################################################# |
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271 | |
120 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
272 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
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273 | |
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274 | SV * |
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275 | foldcase (SV *pathsv) |
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276 | PROTOTYPE: $ |
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277 | CODE: |
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278 | { |
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279 | STRLEN plen; |
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280 | U8 *path = SvPVutf8 (pathsv, plen); |
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281 | U8 *pend = path + plen; |
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282 | U8 dst [plen * 6 * 3], *dstp = dst; |
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283 | |
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284 | while (path < pend) |
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285 | { |
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286 | if (*path >= '0' && *path <= '9') |
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287 | { |
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288 | STRLEN el, nl = 0; |
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289 | while (*path >= '0' && *path <= '9') |
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290 | path++, nl++; |
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291 | |
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292 | for (el = nl; el < 6; el++) |
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293 | *dstp++ = '0'; |
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294 | |
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295 | memcpy (dstp, path - nl, nl); |
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296 | dstp += nl; |
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297 | } |
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298 | else |
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299 | { |
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300 | STRLEN cl; |
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301 | to_utf8_fold (path, dstp, &cl); |
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302 | dstp += cl; |
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303 | path += is_utf8_char (path); |
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304 | } |
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305 | } |
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306 | |
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307 | RETVAL = newSVpvn (dst, dstp - dst); |
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308 | } |
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309 | OUTPUT: |
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310 | RETVAL |
121 | |
311 | |
122 | GdkPixbuf_noinc * |
312 | GdkPixbuf_noinc * |
123 | p7_to_pb (int w, int h, guchar *src) |
313 | p7_to_pb (int w, int h, guchar *src) |
124 | CODE: |
314 | CODE: |
125 | { |
315 | { |
… | |
… | |
150 | { |
340 | { |
151 | int w = gdk_pixbuf_get_width (pb); |
341 | int w = gdk_pixbuf_get_width (pb); |
152 | int h = gdk_pixbuf_get_height (pb); |
342 | int h = gdk_pixbuf_get_height (pb); |
153 | int x, y; |
343 | int x, y; |
154 | guchar *dst; |
344 | guchar *dst; |
155 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
345 | int bpp = gdk_pixbuf_get_n_channels (pb); |
156 | guchar *src = gdk_pixbuf_get_pixels (pb); |
346 | guchar *src = gdk_pixbuf_get_pixels (pb); |
157 | int sstr = gdk_pixbuf_get_rowstride (pb); |
347 | int sstr = gdk_pixbuf_get_rowstride (pb); |
158 | int Er[IW], Eg[IW], Eb[IW]; |
348 | int Er[IW], Eg[IW], Eb[IW]; |
159 | int seed = 77; |
349 | int seed = 77; |
160 | |
350 | |
… | |
… | |
177 | for (x = 0; x < w; x++) |
367 | for (x = 0; x < w; x++) |
178 | { |
368 | { |
179 | int r, g, b; |
369 | int r, g, b; |
180 | guchar *p = src + x * bpp + y * sstr; |
370 | guchar *p = src + x * bpp + y * sstr; |
181 | |
371 | |
182 | r = ((p[0] + er + Er[x]) * 7 + 128) / 255; |
372 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
183 | g = ((p[1] + eg + Eg[x]) * 7 + 128) / 255; |
373 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
184 | b = ((p[2] + eb + Eb[x]) * 3 + 128) / 255; |
374 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
185 | |
375 | |
186 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
376 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
187 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
377 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
188 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
378 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
189 | |
379 | |
190 | er += p[0] - (r * 255 + 4) / 7; |
380 | er += p[0] - (r * 255 + 4) / 7; |
191 | eg += p[1] - (g * 255 + 4) / 7; |
381 | eg += p[1] - (g * 255 + 4) / 7; |
192 | eb += p[2] - (b * 255 + 2) / 3; |
382 | eb += p[2] - (b * 255 + 2) / 3; |
193 | |
383 | |
194 | Er[x] = er / 2; er -= er / 2 + RAND % 7 - 3; |
384 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
195 | Eg[x] = eg / 2; eg -= eg / 2 + RAND % 7 - 3; |
385 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
196 | Eb[x] = eb / 2; eb -= eb / 2 + RAND % 7 - 3; |
386 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
197 | |
387 | |
198 | *dst++ = r << 5 | g << 2 | b; |
388 | *dst++ = r << 5 | g << 2 | b; |
199 | } |
389 | } |
200 | } |
390 | } |
201 | } |
391 | } |
202 | OUTPUT: |
392 | OUTPUT: |
203 | RETVAL |
393 | RETVAL |
204 | |
394 | |
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395 | SV * |
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396 | make_histogram (SV *ar) |
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397 | CODE: |
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398 | { |
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399 | int i; |
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400 | AV *av, *result; |
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401 | |
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402 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
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403 | croak ("Not an array ref as first argument to make_histogram"); |
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404 | |
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405 | av = (AV *) SvRV (ar); |
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406 | result = newAV (); |
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407 | |
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408 | for (i = 0; i <= av_len (av); ++i) |
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409 | { |
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410 | const int HISTSIZE = 64; |
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411 | |
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412 | int j; |
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413 | SV *sv = *av_fetch (av, i, 1); |
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414 | STRLEN len; |
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415 | char *buf = SvPVbyte (sv, len); |
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416 | |
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417 | int tmphist[HISTSIZE]; |
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418 | float *hist; |
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419 | |
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420 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
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421 | SvPOK_on (histsv); |
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422 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
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423 | hist = (float *)SvPVX (histsv); |
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424 | |
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425 | Zero (tmphist, sizeof (tmphist), char); |
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426 | |
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427 | for (j = len; j--; ) |
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428 | { |
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429 | unsigned int idx |
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430 | = ((*buf & 0xc0) >> 2) |
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431 | | ((*buf & 0x18) >> 1) |
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432 | | (*buf & 0x03); |
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433 | |
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434 | ++tmphist[idx]; |
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435 | ++buf; |
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436 | } |
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437 | |
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438 | for (j = 0; j < HISTSIZE; ++j) |
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439 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
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440 | |
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441 | av_push (result, histsv); |
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442 | } |
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443 | |
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444 | RETVAL = newRV_noinc ((SV *)result); |
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445 | } |
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446 | OUTPUT: |
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447 | RETVAL |
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448 | |
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449 | ############################################################################# |
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450 | |
205 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
451 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
206 | |
452 | |
207 | void |
453 | void |
208 | dump_pb (PerlIO *fp, GdkPixbuf *pb) |
454 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
209 | CODE: |
455 | CODE: |
210 | { |
456 | { |
211 | int w = gdk_pixbuf_get_width (pb); |
457 | int w = gdk_pixbuf_get_width (pb); |
212 | int h = gdk_pixbuf_get_height (pb); |
458 | int h = gdk_pixbuf_get_height (pb); |
213 | int x, y, i; |
459 | int x, y, i; |
214 | guchar *dst; |
460 | guchar *dst; |
215 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
461 | int bpp = gdk_pixbuf_get_n_channels (pb); |
216 | guchar *src = gdk_pixbuf_get_pixels (pb); |
462 | guchar *src = gdk_pixbuf_get_pixels (pb); |
217 | int sstr = gdk_pixbuf_get_rowstride (pb); |
463 | int sstr = gdk_pixbuf_get_rowstride (pb); |
218 | |
464 | |
219 | a85_init (); |
465 | a85_init (); |
220 | |
466 | |
221 | for (y = 0; y < h; y++) |
467 | for (y = 0; y < h; y++) |
222 | for (x = 0; x < w; x++) |
468 | for (x = 0; x < w; x++) |
223 | for (i = 0; i < 3; i++) |
469 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
224 | a85_push (fp, src [x * bpp + y * sstr + i]); |
470 | a85_push (fp, src [x * bpp + y * sstr + i]); |
225 | |
471 | |
226 | a85_finish (fp); |
472 | a85_finish (fp); |
227 | } |
473 | } |
228 | |
474 | |
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475 | void |
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476 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
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477 | CODE: |
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|
478 | { |
|
|
479 | int w = gdk_pixbuf_get_width (pb); |
|
|
480 | int h = gdk_pixbuf_get_height (pb); |
|
|
481 | int x, y, i; |
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482 | guchar *dst; |
|
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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); |
229 | |
486 | |
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487 | for (y = 0; y < h; y++) |
|
|
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]); |
|
|
491 | } |
230 | |
492 | |
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493 | ############################################################################# |
231 | |
494 | |
|
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495 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
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496 | |
|
|
497 | SV * |
|
|
498 | pb_to_hv84 (GdkPixbuf *pb) |
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499 | CODE: |
|
|
500 | { |
|
|
501 | int w = gdk_pixbuf_get_width (pb); |
|
|
502 | int h = gdk_pixbuf_get_height (pb); |
|
|
503 | int x, y; |
|
|
504 | guchar *dst; |
|
|
505 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
506 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
507 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
508 | |
|
|
509 | RETVAL = newSV (6 * 8 * 12 / 8); |
|
|
510 | SvPOK_only (RETVAL); |
|
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511 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
|
|
512 | |
|
|
513 | dst = SvPVX (RETVAL); |
|
|
514 | |
|
|
515 | /* some primitive error distribution + random dithering */ |
|
|
516 | |
|
|
517 | for (y = 0; y < h; y++) |
|
|
518 | { |
|
|
519 | guchar *p = src + y * sstr; |
|
|
520 | |
|
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521 | for (x = 0; x < w; x += 2) |
|
|
522 | { |
|
|
523 | unsigned int r, g, b, h, s, v, H, V1, V2; |
|
|
524 | |
|
|
525 | if (bpp == 3) |
|
|
526 | r = *p++, g = *p++, b = *p++; |
|
|
527 | else if (bpp == 1) |
|
|
528 | r = g = b = *p++; |
|
|
529 | else |
|
|
530 | abort (); |
|
|
531 | |
|
|
532 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
533 | |
|
|
534 | H = (h * 15 / 255) << 4; |
|
|
535 | V1 = v; |
|
|
536 | |
|
|
537 | if (bpp == 3) |
|
|
538 | r = *p++, g = *p++, b = *p++; |
|
|
539 | else if (bpp == 1) |
|
|
540 | r = g = b = *p++; |
|
|
541 | else |
|
|
542 | abort (); |
|
|
543 | |
|
|
544 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
545 | |
|
|
546 | H |= h * 15 / 255; |
|
|
547 | V2 = v; |
|
|
548 | |
|
|
549 | *dst++ = H; |
|
|
550 | *dst++ = V1; |
|
|
551 | *dst++ = V2; |
|
|
552 | } |
|
|
553 | } |
|
|
554 | } |
|
|
555 | OUTPUT: |
|
|
556 | RETVAL |
|
|
557 | |
|
|
558 | SV * |
|
|
559 | hv84_to_av (unsigned char *hv84) |
|
|
560 | CODE: |
|
|
561 | { |
|
|
562 | int i = 72 / 3; |
|
|
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)); |
|
|
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 | |