--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/img_ldr_imlib2.c	Wed Dec 01 12:25:56 2010 +0800
@@ -0,0 +1,117 @@
+// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
+// vim: sw=4:ts=8:sts=4
+#include <stdio.h>
+#include <string.h>
+#include <Imlib2.h>
+#include "mb_graph_engine.h"
+#include "mb_tools.h"
+#include "mb_paint.h"
+#include "mb_img_ldr.h"
+
+/*! \brief Simple image loader.
+ *
+ */
+struct _simple_mb_img_ldr {
+    mb_img_ldr_t ldr;
+    const char *repo;		/*!< \brief The directory of repository. */
+};
+typedef struct _simple_mb_img_ldr simple_mb_img_ldr_t;
+
+struct _simple_mb_img_data {
+    mb_img_data_t img;
+    Imlib_Image img_hdl;
+};
+typedef struct _simple_mb_img_data simple_mb_img_data_t;
+
+static void simple_mb_img_ldr_img_free(mb_img_data_t *img);
+
+static
+mb_img_data_t *simple_mb_img_ldr_load(mb_img_ldr_t *ldr, const char *img_id) {
+    simple_mb_img_ldr_t *sldr = (simple_mb_img_ldr_t *)ldr;
+    simple_mb_img_data_t *img;
+    Imlib_Image img_hdl;
+    int w, h;
+    void *data;
+    char *fname;
+    int sz;
+
+    sz = strlen(sldr->repo);
+    sz += strlen(img_id);
+    fname = (char *)malloc(sz + 2);
+	if (img_id[0] != '/')
+        strcpy(fname, sldr->repo);
+	else
+		fname[0] = 0;
+    strcat(fname, img_id);
+    
+    img_hdl = imlib_load_image(fname);
+    if(!img_hdl)
+	return NULL;
+    imlib_context_set_image(img_hdl);
+    w = imlib_image_get_width();
+    h = imlib_image_get_height();
+    data = imlib_image_get_data_for_reading_only();
+
+    img = O_ALLOC(simple_mb_img_data_t);
+    if(img == NULL) {
+	imlib_free_image();
+	return NULL;
+    }
+    img->img.content = data;
+    img->img.w = w;
+    img->img.h = h;
+    img->img.stride = w * 4;
+    img->img.fmt = MB_IFMT_ARGB32;
+    img->img.free = simple_mb_img_ldr_img_free;
+    img->img_hdl = img_hdl;
+
+    return (mb_img_data_t *)img;
+}
+
+static
+void simple_mb_img_ldr_img_free(mb_img_data_t *img) {
+    simple_mb_img_data_t *simg = (simple_mb_img_data_t *)img;
+
+    imlib_context_set_image(simg->img_hdl);
+    imlib_free_image();
+    free(img);
+}
+
+static
+void simple_mb_img_ldr_free(mb_img_ldr_t *ldr) {
+    simple_mb_img_ldr_t *defldr = (simple_mb_img_ldr_t *)ldr;
+
+    free((void *)defldr->repo);
+}
+
+mb_img_ldr_t *simple_mb_img_ldr_new(const char *img_repository) {
+    simple_mb_img_ldr_t *ldr;
+    int sz;
+
+    if(img_repository == NULL)
+	return NULL;
+
+    ldr = O_ALLOC(simple_mb_img_ldr_t);
+    if(ldr == NULL)
+	return NULL;
+
+    /*
+     * Copy and formalize path of image repository.
+     */
+    sz = strlen(img_repository);
+    ldr->repo = (const char *)malloc(sz + 2);
+    if(ldr->repo == NULL) {
+	free(ldr);
+	return NULL;
+    }
+    strcpy((char *)ldr->repo, img_repository);
+    if(img_repository[sz - 1] != '/' && strlen(img_repository) != 0) {
+	((char *)ldr->repo)[sz] = '/';
+	((char *)ldr->repo)[sz + 1] = 0;
+    }
+
+    ldr->ldr.load = simple_mb_img_ldr_load;
+    ldr->ldr.free = simple_mb_img_ldr_free;
+
+    return (mb_img_ldr_t *)ldr;
+}