Initial revision

gdk-pixbuf/Makefile.am

@@ -0,0 +1,7 @@
+
+_SOURCES = 	\
+	gdk-pixbuf.c		\
+	gdk-pixbuf-io.c
+	
+_HEADERS =	\
+	gdk-pixbuf.h

gdk-pixbuf/gdk-pixbuf-cache.h

@@ -0,0 +1,15 @@
+#ifndef _GDK_PIXBUF_CACHE_H_
+#define _GDK_PIXBUF_CACHE_H_
+
+/* The optional cache interface */
+typedef struct {
+	int dummy;
+} GdkPixBufCache;
+
+GdkPixBufCache  *gdk_pixbuf_cache_new        (long image_cache_limit,
+				              long pixmap_bitmap_cache_limit);
+void             gdk_pixbuf_cache_destroy    (GdkPixBufCache *cache);
+
+GdkPixBuf       *gdk_pixbuf_cache_load_image (GdkPixBufCache *cache,
+					      const char *file);
+#endif

gdk-pixbuf/gdk-pixbuf-io.c

@@ -0,0 +1,69 @@
+/*
+ * gdk-pixbuf-io.c: Code to load images into GdkPixBufs
+ *
+ * Author:
+ *    Miguel de Icaza (miguel@gnu.org)
+ */
+#include <config.h>
+#include "gdk-pixbuf.h"
+
+static struct {
+	char      *module_name;
+	gboolean   (*format_check)(char *buffer, int size);
+	GdkPixBuf *(*load)(char *filename);
+	int        (*save)(char *filename, ...);
+} loaders [] = {
+	{ "png",  pixbuf_check_png,  NULL, NULL },
+	{ "jpeg", pixbuf_check_jpeg, NULL, NULL },
+	{ "tiff", pixbuf_check_tiff, NULL, NULL },
+	{ "gif",  pixbuf_check_gif,  NULL, NULL },
+	{ "xpm",  pixbuf_check_xpm,  pixbuf_xpm_load, pixbuf_xpm_save },
+	{ "bmp",  pixbuf_check_bmp,  NULL, NULL },
+	{ "ppm",  pixbuf_check_ppm,  NULL, NULL },
+	{ NULL, NULL, NULL, NULL },
+};
+
+static int
+image_file_format (const char *file)
+{
+	FILE *f = fopen (file);
+
+	if (!f)
+		return -1;
+}
+
+static void
+image_loader_load (int idx)
+{
+}
+
+GdkPixBuf *
+gdk_pixbuf_load_image (const char *file)
+{
+	GdkPixBuf *pixbuf;
+	FormatLoader format_loader;
+	FILE *f;
+	char buffer [128];
+
+	f = fopen (file);
+	if (!f)
+		return NULL;
+	n = fread (&buffer, 1, sizeof (buffer), f);
+	fclose (f);
+	if (n == 0)
+		return NULL;
+
+	for (i = 0; loaders [i].module_name; i++){
+		if ((*loaders [i].format_check)(buffer, n)){
+			if (!loaders [i].load)
+				image_loader_load (i);
+
+			if (!loaders [i].load)
+				return NULL;
+
+			return (*loaders [i].load)(file);
+		}
+	}
+
+	return NULL;
+}

gdk-pixbuf/gdk-pixbuf.c

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+/*
+ * gdk-pixbuf.c: Resource management.
+ *
+ * Author:
+ *    Miguel de Icaza (miguel@gnu.org)
+ */
+#include <config.h>
+#include "gdk-pixbuf.h"
+
+
+static void
+gdk_pixbuf_destroy (GdkPixBuf *pixbuf)
+{
+	art_pixbuf_free (pixbuf->art_pixbuf);
+	g_free (pixbuf);
+}
+
+void
+gdk_pixbuf_ref (GdkPixBuf *pixbuf)
+{
+	g_return_if_fail (pixbuf != NULL);
+
+	pixbuf->ref_count++;
+}
+
+void
+gdk_pixbuf_unref (GdkPixBuf *pixbuf)
+{
+	g_return_if_fail (pixbuf != NULL);
+	g_return_if_fail (pixbuf->ref_count == 0);
+
+	pixbuf->ref_count--;
+	if (pixbuf->ref_count)
+		gdk_pixbuf_destroy (pixbuf);
+}
+

gdk-pixbuf/gdk-pixbuf.h

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+#ifndef _GDK_PIXBUF_H_
+#define _GDK_PIXBUF_H_
+
+#include <libart_lgpl/art_pixbuf.h>
+
+typedef struct {
+	int ref_count;
+	ArtPixBuf *art_pixbuf;
+	void (*unref_func)(void *gdkpixbuf);
+} GdkPixBuf;
+
+GdkPixBuf *gdk_pixbuf_load_image (const char *file);
+void       gdk_pixbuf_save_image (const char *format_id, const char *file, ...);
+void       gdk_pixbuf_ref        (GdkPixBuf *pixbuf);
+void       gdk_pixbuf_unref      (GdkPixBuf *pixbuf);
+GdkPixBuf  gdk_pixbuf_duplicate  (GdkPixBuf *pixbuf);
+
+#endif /* _GDK_PIXBUF_H_ */

gdk-pixbuf/pixbuf.h

@@ -0,0 +1,18 @@
+#ifndef _GDK_PIXBUF_H_
+#define _GDK_PIXBUF_H_
+
+#include <libart_lgpl/art_pixbuf.h>
+
+typedef struct {
+	int ref_count;
+	ArtPixBuf *pixbuf;
+	void (*unref_func)(void *gdkpixbuf);
+} GdkPixBuf;
+
+GdkPixBuf *gdk_pixbuf_load_image (const char *file);
+void       gdk_pixbuf_save_image (const char *format_id, const char *file, ...);
+void       gdk_pixbuf_ref        (GdkPixBuf *pixbuf);
+void       gdk_pixbuf_unref      (GdkPixBuf *pixbuf);
+GdkPixBuf  gdk_pixbuf_duplicate  (GdkPixBuf *pixbuf);
+
+#endif /* _GDK_PIXBUF_H_ */