Basic image loading

app.c

@@ -40,8 +40,16 @@ void app_init(app_t *app) {
 }
 
 void app_run(app_t *app) {
+	app_load_image(app);
 	event_loop(app);
 }
 
 void app_quit(app_t *app) {
 }
+
+void app_load_image(app_t *app) {
+	if (!app || app->fileidx >= app->filecnt || !app->filenames)
+		return;
+
+	img_load(&app->img, app->filenames[app->fileidx]);
+}

app.h

@@ -34,4 +34,6 @@ void app_init(app_t*);
 void app_run(app_t*);
 void app_quit(app_t*);
 
+void app_load_image(app_t*);
+
 #endif /* APP_H */

image.c

@@ -16,7 +16,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-#include <Imlib2.h>
+#include <stdlib.h>
+#include <stdio.h>
 
 #include "sxiv.h"
 #include "image.h"
@@ -30,3 +31,19 @@ void imlib_init(win_t *win) {
 	imlib_context_set_colormap(win->env.cmap);
 	imlib_context_set_drawable(win->xwin);
 }
+
+void img_load(img_t *img, char *filename) {
+	if (!img || !filename)
+		return;
+
+	if (imlib_context_get_image())
+		imlib_free_image();
+
+	if (!(img->im = imlib_load_image(filename)))
+		FATAL("could not open image: %s", filename);
+	
+	imlib_context_set_image(img->im);
+	
+	img->w = imlib_image_get_width();
+	img->h = imlib_image_get_height();
+}

image.h

@@ -19,6 +19,8 @@
 #ifndef IMAGE_H
 #define IMAGE_H
 
+#include <Imlib2.h>
+
 #include "window.h"
 
 typedef enum scalemode_e {
@@ -34,8 +36,13 @@ typedef struct img_s {
 	int h;
 	int x;
 	int y;
+
+	Imlib_Image *im;
 } img_t;
 
 void imlib_init(win_t*);
 
+void img_load(img_t*, char*);
+void img_display(img_t*, win_t*);
+
 #endif /* IMAGE_H */