* Boston, MA 02111-1307, USA.
*/
-#include <config.h>
+#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
+#include <errno.h>
#include <gtk/gtk.h>
-#include <gdk-pixbuf/gdk-pixbuf-loader.h>
-
-typedef struct {
- FILE *imagefile;
- GdkPixbufLoader *loader;
- GtkWidget **rgbwin;
- guchar *buf;
- guint timeout;
- guint readlen;
-
-} ProgressFileStatus;
-
-
-#define DEFAULT_WIDTH 24
-#define DEFAULT_HEIGHT 24
-
-static const unsigned char default_image[] = {
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xae, 0xb3, 0xb3, 0xc6, 0xc9, 0xcd, 0xd7, 0xd4, 0xdf,
- 0xec, 0xde, 0xf3, 0xe7, 0xcb, 0xe9, 0xd9, 0xb5, 0xd3, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0xb1, 0xb7, 0xa5,
- 0xb0, 0xb8, 0xad, 0xb3, 0xb9, 0xb6, 0xc1, 0xc6, 0xc8, 0xd5, 0xd3, 0xdc,
- 0xec, 0xde, 0xf3, 0xe5, 0xca, 0xe6, 0xe0, 0xbb, 0xd7, 0xe1, 0xad, 0xc2,
- 0xe3, 0xac, 0xa3, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0xca, 0xc1, 0xa4, 0xc5, 0xc7, 0xac,
- 0xb7, 0xbe, 0xaf, 0xad, 0xb4, 0xaf, 0xbd, 0xc2, 0xc3, 0xd1, 0xd0, 0xd8,
- 0xec, 0xde, 0xf3, 0xe5, 0xc7, 0xe4, 0xe0, 0xb6, 0xd1, 0xe7, 0xa9, 0xb4,
- 0xed, 0xcd, 0xb6, 0xd6, 0xcf, 0xae, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0xdf, 0xa7, 0x9f, 0xdd, 0xbf, 0xaa, 0xcf, 0xc5, 0xa9,
- 0xc1, 0xc4, 0xac, 0xb2, 0xba, 0xaf, 0xb6, 0xbb, 0xbb, 0xcd, 0xce, 0xd4,
- 0xec, 0xde, 0xf3, 0xe4, 0xc4, 0xe1, 0xe0, 0xaf, 0xc7, 0xea, 0xbc, 0xae,
- 0xe1, 0xd6, 0xb6, 0xc7, 0xcc, 0xae, 0xa2, 0xab, 0x9a, 0x00, 0x00, 0x00,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0xe3, 0xab, 0xc0, 0xe6, 0xa3, 0xa7, 0xdf, 0xba, 0xa8,
- 0xcf, 0xc5, 0xa9, 0xbd, 0xc2, 0xae, 0xad, 0xb4, 0xaf, 0xc6, 0xc9, 0xcd,
- 0xec, 0xde, 0xf3, 0xe2, 0xbf, 0xdc, 0xe7, 0xa9, 0xb4, 0xe7, 0xd6, 0xb8,
- 0xc7, 0xcc, 0xae, 0xac, 0xb6, 0xa6, 0x9d, 0xa8, 0x9f, 0x00, 0x00, 0x00,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xd9, 0xaf, 0xcf, 0xe1, 0xb4, 0xd2, 0xe2, 0xb0, 0xcb, 0xe4, 0xa9, 0xbb,
- 0xe2, 0xb2, 0xa6, 0xcf, 0xc5, 0xa9, 0x6a, 0x6a, 0x6a, 0x0d, 0x0d, 0x0d,
- 0x0d, 0x0d, 0x0d, 0x6a, 0x6a, 0x6a, 0xed, 0xcd, 0xb6, 0xc7, 0xcc, 0xae,
- 0xa6, 0xb1, 0xa3, 0x98, 0xa2, 0x9c, 0x8f, 0x97, 0x96, 0x7e, 0x84, 0x85,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xe8, 0xc6, 0xe7, 0xe5, 0xc2, 0xe3, 0xe3, 0xbd, 0xdd, 0xe1, 0xb6, 0xd5,
- 0xe2, 0xb0, 0xcb, 0x6a, 0x6a, 0x6a, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x6a, 0x6a, 0x6a, 0x9d, 0xa8, 0x9f,
- 0x8f, 0x97, 0x96, 0x8b, 0x90, 0x92, 0x97, 0x9e, 0xa2, 0xa0, 0xa7, 0xae,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xe7, 0xd3, 0xed, 0xe8, 0xd1, 0xed, 0xe8, 0xce, 0xec, 0xe9, 0xcc, 0xeb,
- 0xe8, 0xc6, 0xe7, 0x0d, 0x0d, 0x0d, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x0d, 0x0d, 0x0d, 0x97, 0x9e, 0xa2,
- 0xa7, 0xae, 0xb7, 0xb2, 0xb6, 0xc5, 0xba, 0xbc, 0xce, 0xbf, 0xbe, 0xd3,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xe9, 0xdf, 0xf0, 0xe9, 0xdf, 0xf0, 0xe9, 0xdf, 0xf0, 0xe9, 0xdf, 0xf0,
- 0xe9, 0xdf, 0xf0, 0x0d, 0x0d, 0x0d, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x0d, 0x0d, 0x0d, 0xe1, 0xd2, 0xf7,
- 0xe1, 0xd2, 0xf7, 0xe1, 0xd2, 0xf7, 0xe1, 0xd2, 0xf7, 0xe1, 0xd2, 0xf7,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xca, 0xc7, 0xd2, 0xc5, 0xc4, 0xcd, 0xbf, 0xbf, 0xc7, 0xb8, 0xb9, 0xc0,
- 0xae, 0xaf, 0xb6, 0x6a, 0x6a, 0x6a, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x6a, 0x6a, 0x6a, 0xd5, 0xa8, 0xe1,
- 0xd8, 0xb2, 0xe9, 0xd9, 0xb8, 0xed, 0xdb, 0xbd, 0xf0, 0xdc, 0xbf, 0xf1,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0xa4, 0xa6, 0xac, 0xa8, 0xaa, 0xaf, 0xa0, 0xa6, 0xa8, 0x98, 0x9e, 0x9c,
- 0xa1, 0xa8, 0x9e, 0xb1, 0xb6, 0xa1, 0x6a, 0x6a, 0x6a, 0x0d, 0x0d, 0x0d,
- 0x0d, 0x0d, 0x0d, 0x6a, 0x6a, 0x6a, 0xc0, 0x8c, 0xad, 0xcc, 0x90, 0xb5,
- 0xd3, 0x94, 0xca, 0xd6, 0xa2, 0xdb, 0xd5, 0xa8, 0xe1, 0xcf, 0xa7, 0xdf,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0x98, 0x9f, 0x9b, 0xa1, 0xa8, 0x9e, 0xac, 0xb3, 0xa0,
- 0xb9, 0xb9, 0xa4, 0xd0, 0xb8, 0xa8, 0xc5, 0xb5, 0xb8, 0xb6, 0xbb, 0xad,
- 0xe3, 0xd7, 0xb5, 0xdd, 0xb4, 0xa9, 0xcb, 0x89, 0xac, 0xc0, 0x8c, 0xad,
- 0xc8, 0x91, 0xb5, 0xd1, 0x8d, 0xb7, 0xd3, 0x94, 0xca, 0x00, 0x00, 0x00,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0xa1, 0xa7, 0x98, 0xb1, 0xb6, 0xa1, 0xbd, 0xb9, 0xa5,
- 0xd0, 0xb8, 0xa8, 0xca, 0xb5, 0xb7, 0xb8, 0xb1, 0xb1, 0xc2, 0xc8, 0xb2,
- 0xe3, 0xd7, 0xb5, 0xe1, 0xbf, 0xaf, 0xdb, 0x92, 0x9a, 0xbe, 0x82, 0xa6,
- 0xc0, 0x8c, 0xad, 0xc8, 0x91, 0xb4, 0xc7, 0x8b, 0xb0, 0x00, 0x00, 0x00,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0xbc, 0xb6, 0xa1, 0xd0, 0xb8, 0xa8,
- 0xcd, 0xb6, 0xb7, 0xc0, 0xb4, 0xb5, 0xb1, 0xb1, 0xaa, 0xca, 0xd1, 0xb4,
- 0xe3, 0xd7, 0xb5, 0xe2, 0xc1, 0xb0, 0xdb, 0xa8, 0xa3, 0xd2, 0x8a, 0xa9,
- 0xb7, 0x7e, 0xa2, 0xbd, 0x89, 0xa9, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0xc9, 0xaf, 0xaf,
- 0xc5, 0xb5, 0xb8, 0xb8, 0xb1, 0xb1, 0xb6, 0xbb, 0xad, 0xd0, 0xd6, 0xb5,
- 0xe3, 0xd7, 0xb5, 0xe2, 0xbf, 0xaf, 0xdd, 0xb4, 0xa9, 0xdb, 0x92, 0x9a,
- 0xc6, 0x84, 0xa7, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xac, 0xaa, 0xa6, 0xbd, 0xc3, 0xb0, 0xd2, 0xd7, 0xb5,
- 0xe3, 0xd7, 0xb5, 0xe2, 0xbf, 0xae, 0xdb, 0xb6, 0xa8, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff,
- 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff
+
+typedef struct _LoadContext LoadContext;
+
+struct _LoadContext
+{
+ gchar *filename;
+ GtkWidget *window;
+ GdkPixbufLoader *pixbuf_loader;
+ guint load_timeout;
+ FILE* image_stream;
};
static void
-quit_func (GtkWidget *widget, gpointer dummy)
+destroy_context (gpointer data)
{
- gtk_main_quit ();
+ LoadContext *lc = data;
+
+ g_free (lc->filename);
+
+ if (lc->load_timeout)
+ g_source_remove (lc->load_timeout);
+
+ if (lc->image_stream)
+ fclose (lc->image_stream);
+
+ if (lc->pixbuf_loader)
+ {
+ gdk_pixbuf_loader_close (lc->pixbuf_loader, NULL);
+ g_object_unref (lc->pixbuf_loader);
+ }
+
+ g_free (lc);
}
-static void
-expose_func (GtkWidget *drawing_area, GdkEventExpose *event, gpointer data)
+static LoadContext*
+get_load_context (GtkWidget *image)
{
- GdkPixbuf *pixbuf;
-
- pixbuf = (GdkPixbuf *)gtk_object_get_data(GTK_OBJECT(drawing_area), "pixbuf");
-
- if (gdk_pixbuf_get_has_alpha (pixbuf)) {
- gdk_draw_rgb_32_image (drawing_area->window,
- drawing_area->style->black_gc,
- event->area.x, event->area.y,
- event->area.width,
- event->area.height,
- GDK_RGB_DITHER_MAX,
- gdk_pixbuf_get_pixels (pixbuf)
- + (event->area.y * gdk_pixbuf_get_rowstride (pixbuf))
- + (event->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
- gdk_pixbuf_get_rowstride (pixbuf));
- } else {
- gdk_draw_rgb_image (drawing_area->window,
- drawing_area->style->white_gc,
- event->area.x, event->area.y,
- event->area.width,
- event->area.height,
- GDK_RGB_DITHER_NORMAL,
- gdk_pixbuf_get_pixels (pixbuf)
- + (event->area.y * gdk_pixbuf_get_rowstride (pixbuf))
- + (event->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
- gdk_pixbuf_get_rowstride (pixbuf));
- }
+ LoadContext *lc;
+
+ lc = g_object_get_data (G_OBJECT (image), "lc");
+
+ if (lc == NULL)
+ {
+ lc = g_new0 (LoadContext, 1);
+
+ g_object_set_data_full (G_OBJECT (image),
+ "lc",
+ lc,
+ destroy_context);
+ }
+
+ return lc;
}
static void
-config_func (GtkWidget *drawing_area, GdkEventConfigure *event, gpointer data)
+progressive_prepared_callback (GdkPixbufLoader* loader,
+ gpointer data)
{
- GdkPixbuf *pixbuf;
-
- pixbuf = (GdkPixbuf *)gtk_object_get_data(GTK_OBJECT(drawing_area), "pixbuf");
+ GdkPixbuf* pixbuf;
+ GtkWidget* image;
-#if 0
- if (((event->width) != gdk_pixbuf_get_width (pixbuf)) ||
- ((event->height) != gdk_pixbuf_get_height (pixbuf)))
- gdk_pixbuf_scale(pixbuf, event->width, event->height);
-#endif
+ image = GTK_WIDGET (data);
+
+ pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
+
+ /* Avoid displaying random memory contents, since the pixbuf
+ * isn't filled in yet.
+ */
+ gdk_pixbuf_fill (pixbuf, 0xaaaaaaff);
+
+ /* Could set the pixbuf instead, if we only wanted to display
+ * static images.
+ */
+ gtk_image_set_from_animation (GTK_IMAGE (image),
+ gdk_pixbuf_loader_get_animation (loader));
}
-static GtkWidget*
-new_testrgb_window (GdkPixbuf *pixbuf, gchar *title)
+static void
+progressive_updated_callback (GdkPixbufLoader* loader,
+ gint x, gint y, gint width, gint height,
+ gpointer data)
{
- GtkWidget *window;
- GtkWidget *vbox;
- GtkWidget *temp_box;
- GtkWidget *button;
- GtkWidget *drawing_area;
- gint w, h;
-
- w = gdk_pixbuf_get_width (pixbuf);
- h = gdk_pixbuf_get_height (pixbuf);
-
- window = gtk_widget_new (gtk_window_get_type (),
- "GtkObject::user_data", NULL,
- "GtkWindow::type", GTK_WINDOW_TOPLEVEL,
- "GtkWindow::title", "testrgb",
- "GtkWindow::allow_shrink", TRUE,
- NULL);
- gtk_signal_connect (GTK_OBJECT (window), "destroy",
- (GtkSignalFunc) quit_func, NULL);
-
- vbox = gtk_vbox_new (FALSE, 0);
-
- if (title)
- gtk_box_pack_start (GTK_BOX (vbox), gtk_label_new (title),
- TRUE, TRUE, 0);
-
- drawing_area = gtk_drawing_area_new ();
-
- temp_box = gtk_hbox_new (FALSE, 0);
- gtk_drawing_area_size (GTK_DRAWING_AREA(drawing_area), w, h);
- gtk_box_pack_start (GTK_BOX (temp_box), drawing_area, FALSE, FALSE, 0);
- gtk_box_pack_start (GTK_BOX (vbox), temp_box, FALSE, FALSE, 0);
-
-
- gtk_signal_connect (GTK_OBJECT(drawing_area), "expose_event",
- GTK_SIGNAL_FUNC(expose_func), NULL);
- gtk_signal_connect (GTK_OBJECT(drawing_area), "configure_event",
- GTK_SIGNAL_FUNC (config_func), NULL);
-
- gtk_object_set_data (GTK_OBJECT(drawing_area), "pixbuf", pixbuf);
-
- gtk_widget_show (drawing_area);
-
- button = gtk_button_new_with_label ("Quit");
- gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
- gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
- (GtkSignalFunc) gtk_widget_destroy,
- GTK_OBJECT (window));
-
- gtk_widget_show (button);
-
- gtk_container_add (GTK_CONTAINER (window), vbox);
- gtk_widget_show_all (vbox);
-
- gtk_widget_show (window);
-
- return window;
+ GtkWidget* image;
+
+ image = GTK_WIDGET (data);
+
+ /* We know the pixbuf inside the GtkImage has changed, but the image
+ * itself doesn't know this; so queue a redraw. If we wanted to be
+ * really efficient, we could use a drawing area or something
+ * instead of a GtkImage, so we could control the exact position of
+ * the pixbuf on the display, then we could queue a draw for only
+ * the updated area of the image.
+ */
+
+ /* We only really need to redraw if the image's animation iterator
+ * is gdk_pixbuf_animation_iter_on_currently_loading_frame(), but
+ * who cares.
+ */
+
+ gtk_widget_queue_draw (image);
}
-#if 0
-
static gint
-update_timeout(gpointer data)
+progressive_timeout (gpointer data)
{
- ProgressFileStatus *status = data;
- gboolean done;
-
- done = TRUE;
- if (!feof(status->imagefile)) {
- gint nbytes;
-
- nbytes = fread(status->buf, 1, status->readlen,
- status->imagefile);
-
- done = !gdk_pixbuf_loader_write (GDK_PIXBUF_LOADER (status->loader), status->buf, nbytes);
-
- }
-
- if (done) {
- gtk_widget_queue_draw(*status->rgbwin);
- gdk_pixbuf_loader_close (GDK_PIXBUF_LOADER (status->loader));
- g_object_destroy (G_OBJECT(status->loader));
- fclose (status->imagefile);
- g_free (status->buf);
- }
+ GtkWidget *image;
+ LoadContext *lc;
+
+ image = GTK_WIDGET (data);
+ lc = get_load_context (image);
+
+ /* This shows off fully-paranoid error handling, so looks scary.
+ * You could factor out the error handling code into a nice separate
+ * function to make things nicer.
+ */
+
+ if (lc->image_stream)
+ {
+ size_t bytes_read;
+ guchar buf[256];
+ GError *error = NULL;
+
+ bytes_read = fread (buf, 1, 256, lc->image_stream);
+
+ if (ferror (lc->image_stream))
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (GTK_WINDOW (lc->window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Failure reading image file 'alphatest.png': %s",
+ g_strerror (errno));
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+
+ fclose (lc->image_stream);
+ lc->image_stream = NULL;
+
+ gtk_widget_show (dialog);
+
+ lc->load_timeout = 0;
+
+ return FALSE; /* uninstall the timeout */
+ }
+
+ if (!gdk_pixbuf_loader_write (lc->pixbuf_loader,
+ buf, bytes_read,
+ &error))
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (GTK_WINDOW (lc->window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Failed to load image: %s",
+ error->message);
- return !done;
+ g_error_free (error);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+
+ fclose (lc->image_stream);
+ lc->image_stream = NULL;
+
+ gtk_widget_show (dialog);
+
+ lc->load_timeout = 0;
+
+ return FALSE; /* uninstall the timeout */
+ }
+
+ if (feof (lc->image_stream))
+ {
+ fclose (lc->image_stream);
+ lc->image_stream = NULL;
+
+ /* Errors can happen on close, e.g. if the image
+ * file was truncated we'll know on close that
+ * it was incomplete.
+ */
+ error = NULL;
+ if (!gdk_pixbuf_loader_close (lc->pixbuf_loader,
+ &error))
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (GTK_WINDOW (lc->window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Failed to load image: %s",
+ error->message);
+
+ g_error_free (error);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+
+ gtk_widget_show (dialog);
+
+ g_object_unref (lc->pixbuf_loader);
+ lc->pixbuf_loader = NULL;
+
+ lc->load_timeout = 0;
+
+ return FALSE; /* uninstall the timeout */
+ }
+
+ g_object_unref (lc->pixbuf_loader);
+ lc->pixbuf_loader = NULL;
+ }
+ }
+ else
+ {
+ lc->image_stream = fopen (lc->filename, "r");
+
+ if (lc->image_stream == NULL)
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (GTK_WINDOW (lc->window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Unable to open image file '%s': %s",
+ lc->filename,
+ g_strerror (errno));
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+
+ gtk_widget_show (dialog);
+
+ lc->load_timeout = 0;
+
+ return FALSE; /* uninstall the timeout */
+ }
+
+ if (lc->pixbuf_loader)
+ {
+ gdk_pixbuf_loader_close (lc->pixbuf_loader, NULL);
+ g_object_unref (lc->pixbuf_loader);
+ lc->pixbuf_loader = NULL;
+ }
+
+ lc->pixbuf_loader = gdk_pixbuf_loader_new ();
+
+ g_signal_connect (lc->pixbuf_loader, "area_prepared",
+ G_CALLBACK (progressive_prepared_callback), image);
+ g_signal_connect (lc->pixbuf_loader, "area_updated",
+ G_CALLBACK (progressive_updated_callback), image);
+ }
+
+ /* leave timeout installed */
+ return TRUE;
}
static void
-progressive_prepared_callback(GdkPixbufLoader* loader, gpointer data)
+start_progressive_loading (GtkWidget *image)
{
- GtkWidget** retloc = data;
- GdkPixbuf* pixbuf;
-
- pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
- g_assert(pixbuf != NULL);
-
- gdk_pixbuf_ref(pixbuf); /* for the RGB window */
-
- *retloc = new_testrgb_window(pixbuf, "Progressive");
-
- return;
+ LoadContext *lc;
+
+ lc = get_load_context (image);
+
+ /* This is obviously totally contrived (we slow down loading
+ * on purpose to show how incremental loading works).
+ * The real purpose of incremental loading is the case where
+ * you are reading data from a slow source such as the network.
+ * The timeout simply simulates a slow data source by inserting
+ * pauses in the reading process.
+ */
+ lc->load_timeout = gdk_threads_add_timeout (100,
+ progressive_timeout,
+ image);
}
+static GtkWidget *
+do_image (const char *filename)
+{
+ GtkWidget *frame;
+ GtkWidget *vbox;
+ GtkWidget *image;
+ GtkWidget *label;
+ GtkWidget *align;
+ GtkWidget *window;
+ gchar *str, *escaped;
+ LoadContext *lc;
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_title (GTK_WINDOW (window), "Image Loading");
+
+ gtk_container_set_border_width (GTK_CONTAINER (window), 8);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
+ gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+
+ label = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+ escaped = g_markup_escape_text (filename, -1);
+ str = g_strdup_printf ("Progressively loading: <b>%s</b>", escaped);
+ gtk_label_set_markup (GTK_LABEL (label),
+ str);
+ g_free (escaped);
+ g_free (str);
+
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ /* The alignment keeps the frame from growing when users resize
+ * the window
+ */
+ align = gtk_alignment_new (0.5, 0.5, 0, 0);
+ gtk_container_add (GTK_CONTAINER (align), frame);
+ gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, FALSE, 0);
+
+ image = gtk_image_new_from_pixbuf (NULL);
+ gtk_container_add (GTK_CONTAINER (frame), image);
+
+ lc = get_load_context (image);
+
+ lc->window = window;
+ lc->filename = g_strdup (filename);
+
+ start_progressive_loading (image);
+
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_main_quit), NULL);
+
+ g_signal_connect (window, "delete_event",
+ G_CALLBACK (gtk_main_quit), NULL);
+
+ gtk_widget_show_all (window);
+
+ return window;
+}
static void
-progressive_updated_callback(GdkPixbufLoader* loader, guint x, guint y, guint width, guint height, gpointer data)
+do_nonprogressive (const gchar *filename)
{
- GtkWidget** window_loc = data;
-
-/* g_print ("progressive_updated_callback:\n\t%d\t%d\t%d\t%d\n", x, y, width, height); */
-
- if (*window_loc != NULL)
- gtk_widget_queue_draw_area(*window_loc,
- x, y, width, height);
-
- return;
+ GtkWidget *frame;
+ GtkWidget *vbox;
+ GtkWidget *image;
+ GtkWidget *label;
+ GtkWidget *align;
+ GtkWidget *window;
+ gchar *str, *escaped;
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_title (GTK_WINDOW (window), "Animation");
+
+ gtk_container_set_border_width (GTK_CONTAINER (window), 8);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
+ gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+
+ label = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+ escaped = g_markup_escape_text (filename, -1);
+ str = g_strdup_printf ("Loaded from file: <b>%s</b>", escaped);
+ gtk_label_set_markup (GTK_LABEL (label),
+ str);
+ g_free (escaped);
+ g_free (str);
+
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ /* The alignment keeps the frame from growing when users resize
+ * the window
+ */
+ align = gtk_alignment_new (0.5, 0.5, 0, 0);
+ gtk_container_add (GTK_CONTAINER (align), frame);
+ gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, FALSE, 0);
+
+ image = gtk_image_new_from_file (filename);
+ gtk_container_add (GTK_CONTAINER (frame), image);
+
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_main_quit), NULL);
+
+ g_signal_connect (window, "delete_event",
+ G_CALLBACK (gtk_main_quit), NULL);
+
+ gtk_widget_show_all (window);
}
-#endif
-
-static int readlen = 4096;
-
-extern void pixbuf_init();
-
int
-main (int argc, char **argv)
+main (int argc,
+ char **argv)
{
- int i;
- int found_valid = FALSE;
-
- GdkPixbufAnimation *animation;
-
- pixbuf_init ();
-
- gtk_init (&argc, &argv);
-
- gdk_rgb_set_verbose (TRUE);
-
- gdk_rgb_init ();
-
- gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
-
- {
- char *tbf_readlen = getenv("TBF_READLEN");
- if(tbf_readlen) readlen = atoi(tbf_readlen);
- }
-
- {
- char *tbf_bps = getenv("TBF_KBPS");
- guint bps;
-
- if (tbf_bps) {
- bps = atoi(tbf_bps);
- g_print ("Simulating %d kBytes/sec\n", bps);
- readlen = (bps*1024)/10;
- }
- }
-
- i = 1;
- if (argc == 1) {
- g_print ("USAGE: testanimation FILE1 ...\n");
- return 0;
- } else {
- for (i = 1; i < argc; i++) {
- GError *error;
-
- error = NULL;
- animation = gdk_pixbuf_animation_new_from_file (argv[i],
- &error);
-
- if (animation == NULL) {
- g_warning ("Failed to load animation: %s",
- error->message);
- g_error_free (error);
- }
-
- if (animation) {
- gint i = 0;
- GList *listptr;
- for (listptr = gdk_pixbuf_animation_get_frames (animation);
- listptr;
- listptr = listptr->next) {
- GdkPixbufFrame *frame;
- GdkPixbuf *pixbuf;
- gchar *title;
-
- frame = listptr->data;
- pixbuf = gdk_pixbuf_frame_get_pixbuf (frame);
-
- title = g_strdup_printf ("Frame %d", i);
- g_print ("Frame %d x:%d y:%d width:%d height:%d\n",
- i,
- gdk_pixbuf_frame_get_x_offset (frame),
- gdk_pixbuf_frame_get_y_offset (frame),
- gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf));
- new_testrgb_window (pixbuf, title);
- g_free (title);
- i++;
- }
- found_valid = TRUE;
- }
- }
-#if 0
- {
- GtkWidget* rgb_window = NULL;
- ProgressFileStatus status;
- GdkPixbufLoader *pixbuf_loader;
-
- pixbuf_loader = gdk_pixbuf_loader_new ();
- status.loader = pixbuf_loader;
-
- status.rgbwin = &rgb_window;
-
- status.buf = g_malloc (readlen);
- g_signal_connect_data(G_OBJECT(pixbuf_loader),
- "area_prepared",
- GTK_SIGNAL_FUNC(progressive_prepared_callback),
- &rgb_window,
- NULL, FALSE, FALSE);
-
- g_signal_connect_data(G_OBJECT(pixbuf_loader),
- "area_updated",
- GTK_SIGNAL_FUNC(progressive_updated_callback),
- &rgb_window,
- NULL, FALSE, FALSE);
-
-
- status.imagefile = fopen (argv[1], "r");
- g_assert (status.imagefile != NULL);
-
- status.readlen = readlen;
-
- status.timeout = gtk_timeout_add(100, update_timeout, &status);
- }
-#endif
- }
-
- if (found_valid)
- gtk_main ();
-
- return 0;
+ gint i;
+
+ gtk_init (&argc, &argv);
+
+ i = 1;
+ while (i < argc)
+ {
+ do_image (argv[i]);
+ do_nonprogressive (argv[i]);
+
+ ++i;
+ }
+
+ gtk_main ();
+
+ return 0;
}
+
projects / ~andy / gtk / blobdiff