| 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 | |
|
|
5 | #include <gdk-pixbuf/gdk-pixbuf.h> |
|
|
6 | |
|
|
7 | #include <gperl.h> |
|
|
8 | #include <gtk2perl.h> |
| 4 | |
9 | |
| 5 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::ImageWindow |
10 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::ImageWindow |
| 6 | |
11 | |
| 7 | PROTOTYPES: ENABLE |
12 | PROTOTYPES: ENABLE |
| 8 | |
13 | |
|
|
14 | GdkPixbuf * |
|
|
15 | transpose (GdkPixbuf *pb) |
|
|
16 | CODE: |
|
|
17 | { |
|
|
18 | int w = gdk_pixbuf_get_width (pb); |
|
|
19 | int h = gdk_pixbuf_get_height (pb); |
|
|
20 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
|
|
21 | int x, y, i; |
|
|
22 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
|
|
23 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
| 9 | |
24 | |
|
|
25 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
|
|
26 | |
|
|
27 | dst = gdk_pixbuf_get_pixels (RETVAL); |
|
|
28 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
29 | |
|
|
30 | for (x = 0; x < w; x++) |
|
|
31 | for (y = 0; y < h; y++) |
|
|
32 | for (i = 0; i < bpp; i++) |
|
|
33 | dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; |
|
|
34 | } |
|
|
35 | OUTPUT: |
|
|
36 | RETVAL |
|
|
37 | |
|
|
38 | GdkPixbuf * |
|
|
39 | flop (GdkPixbuf *pb) |
|
|
40 | CODE: |
|
|
41 | { |
|
|
42 | int w = gdk_pixbuf_get_width (pb); |
|
|
43 | int h = gdk_pixbuf_get_height (pb); |
|
|
44 | int bpp = gdk_pixbuf_get_has_alpha (pb) ? 4 : 3; |
|
|
45 | int x, y, i; |
|
|
46 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
|
|
47 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
|
|
48 | |
|
|
49 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
|
|
50 | |
|
|
51 | dst = gdk_pixbuf_get_pixels (RETVAL); |
|
|
52 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
53 | |
|
|
54 | for (x = 0; x < w; x++) |
|
|
55 | for (y = 0; y < h; y++) |
|
|
56 | for (i = 0; i < bpp; i++) |
|
|
57 | dst[(w - x) * bpp + y * dstr + i] = src[x *bpp + y * sstr + i]; |
|
|
58 | } |
|
|
59 | OUTPUT: |
|
|
60 | RETVAL |
|
|
61 | |
|
|
62 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
|
|
63 | |
|
|
64 | GdkPixbuf * |
|
|
65 | p7_to_pb (int w, int h, guchar *src) |
|
|
66 | CODE: |
|
|
67 | { |
|
|
68 | int x, y; |
|
|
69 | guchar *dst, *d; |
|
|
70 | int dstr; |
|
|
71 | |
|
|
72 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
|
|
73 | dst = gdk_pixbuf_get_pixels (RETVAL); |
|
|
74 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
75 | |
|
|
76 | for (y = 0; y < h; y++) |
|
|
77 | for (d = dst + y * dstr, x = 0; x < w; x++) |
|
|
78 | { |
|
|
79 | *d++ = ((*src >> 5) & 7) * 255 / 7; |
|
|
80 | *d++ = ((*src >> 2) & 7) * 255 / 7; |
|
|
81 | *d++ = ((*src >> 0) & 3) * 255 / 3; |
|
|
82 | |
|
|
83 | src++; |
|
|
84 | } |
|
|
85 | } |
|
|
86 | OUTPUT: |
|
|
87 | RETVAL |
|
|
88 | |
|
|
89 | |
|
|
90 | |
