+static GtkWidget *canvas;
+static LBX_IMG *image;
+
+/* LBX images can have up to three palettes, with each superseding the last. */
+static struct lbx_colour palette_external[256];
+static struct lbx_colour palette_internal[256];
+static struct lbx_colour palette_override[256];
+
+GdkPixbuf *framebuf;
+
+gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
+{
+ if (!framebuf)
+ return TRUE;
+
+ gdk_draw_pixbuf(canvas->window, NULL, framebuf,
+ event->area.x, event->area.y, event->area.x, event->area.y,
+ event->area.width, event->area.height,
+ GDK_RGB_DITHER_NORMAL, 0, 0);
+
+ return TRUE;
+}
+
+void get_colour(unsigned char index, unsigned char out[static 3])
+{
+ struct lbx_colour *colour;
+
+ if (palette_override[index].active)
+ colour = palette_override + index;
+ else if (palette_internal[index].active)
+ colour = palette_internal + index;
+ else if (palette_external[index].active)
+ colour = palette_external + index;
+ else
+ colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
+
+ out[0] = colour->red;
+ out[1] = colour->green;
+ out[2] = colour->blue;
+}
+
+static int init_framedata(void)
+{
+ struct lbx_imginfo info;
+ unsigned char **imgdata, **imgmask;
+ unsigned char *data;
+ unsigned stride;
+
+ lbximg_getinfo(image, &info);
+ imgdata = lbximg_getframe(image, 0);
+ if (!imgdata) {
+ printf("failed to decode frame 0\n");
+ return -1;
+ }
+ imgmask = lbximg_getmask(image);
+
+ framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
+ info.width, info.height);
+ if (!framebuf) {
+ printf("failed to allocate pixbuf\n");
+ return -1;
+ }
+
+ data = gdk_pixbuf_get_pixels(framebuf);
+ stride = gdk_pixbuf_get_rowstride(framebuf);
+
+ for (unsigned i = 0; i < info.height; i++) {
+ unsigned char (*p)[3] = (void *)(data + i*stride);
+
+ for (unsigned j = 0; j < info.width; j++) {
+ if (imgmask[i][j]) {
+ get_colour(imgdata[i][j], p[j]);
+ } else {
+ p[j][0] = 0;
+ p[j][1] = 0;
+ p[j][2] = 0;
+ }
+ }
+ }
+
+ gtk_widget_set_size_request(canvas, info.width, info.height);
+ gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
+ return 0;
+}
+
+static int img_close(void *handle)
+{
+ lbx_file_close(handle);
+ return 0;
+}
+
+void set_image_data(GtkComboBox *combo)
+{
+ GtkTreeIter iter;
+ gpointer lbx;
+ guint index;
+ LBXfile *f;
+
+ if (!gtk_combo_box_get_active_iter(combo, &iter))
+ return;
+
+ gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+ 1, &lbx,
+ 2, &index,
+ -1);
+
+ f = lbx_file_open(lbx, index);
+ if (f) {
+ struct lbx_imginfo info;
+
+ image = lbximg_open(f, &lbx_arch_fops, img_close);
+ if (image) {
+ memset(palette_internal, 0, sizeof palette_internal);
+ if (lbximg_getpalette(image, palette_internal) == -1) {
+ puts("crap");
+ lbximg_close(image);
+ }
+
+ if (init_framedata() == -1) {
+ puts("crap");
+ lbximg_close(image);
+ }
+ } else {
+ puts("fuck");
+ lbx_file_close(f);
+ }
+ } else {
+ puts("damn");
+ }
+}
+
+void show_about(GtkWidget *widget)
+{
+ GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
+
+ gtk_show_about_dialog(parent,
+ "name", g_get_application_name(),
+ "version", PACKAGE_VERSION,
+ "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
+ "website", "http://toom.sourceforge.net/",
+ NULL);
+}
+