| 1 |
#include "EXTERN.h" |
| 2 |
#include "perl.h" |
| 3 |
#include "XSUB.h" |
| 4 |
|
| 5 |
#include <gdk-pixbuf/gdk-pixbuf.h> |
| 6 |
|
| 7 |
#include <gperl.h> |
| 8 |
#include <gtk2perl.h> |
| 9 |
|
| 10 |
MODULE = Gtk2::CV PACKAGE = Gtk2::CV::ImageWindow |
| 11 |
|
| 12 |
PROTOTYPES: ENABLE |
| 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; |
| 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 |
|
