static VALUE
rg_image_mapping(VALUE self)
{
VALUE mappings;
GList *image_mapping, *node;
mappings = rb_ary_new();
image_mapping = poppler_page_get_image_mapping(SELF(self));
for (node = image_mapping; node; node = g_list_next(node)) {
PopplerImageMapping *image_mapping;
VALUE mapping;
image_mapping = node->data;
mapping = POPPLERIMAGEMAPPING2RVAL(image_mapping);
#ifdef RB_POPPLER_CAIRO_AVAILABLE
rb_iv_set(mapping, "@page", self);
#endif
rb_ary_push(mappings, mapping);
}
poppler_page_free_image_mapping(image_mapping);
return mappings;
}
static void
pgd_images_get_images (GtkWidget *button,
PgdImagesDemo *demo)
{
PopplerPage *page;
GList *mapping, *l;
gint n_images;
GTimer *timer;
gtk_list_store_clear (demo->model);
pgd_image_view_set_image (demo->image_view, NULL);
page = poppler_document_get_page (demo->doc, demo->page);
if (!page)
return;
timer = g_timer_new ();
mapping = poppler_page_get_image_mapping (page);
g_timer_stop (timer);
n_images = g_list_length (mapping);
if (n_images > 0) {
gchar *str;
str = g_strdup_printf ("<i>%d images found in %.4f seconds</i>",
n_images, g_timer_elapsed (timer, NULL));
gtk_label_set_markup (GTK_LABEL (demo->timer_label), str);
g_free (str);
} else {
gtk_label_set_markup (GTK_LABEL (demo->timer_label), "<i>No images found</i>");
}
g_timer_destroy (timer);
for (l = mapping; l; l = g_list_next (l)) {
PopplerImageMapping *imapping;
GtkTreeIter iter;
gchar *x1, *y1, *x2, *y2;
imapping = (PopplerImageMapping *)l->data;
x1 = g_strdup_printf ("%.2f", imapping->area.x1);
y1 = g_strdup_printf ("%.2f", imapping->area.y1);
x2 = g_strdup_printf ("%.2f", imapping->area.x2);
y2 = g_strdup_printf ("%.2f", imapping->area.y2);
gtk_list_store_append (demo->model, &iter);
gtk_list_store_set (demo->model, &iter,
IMAGES_ID_COLUMN, imapping->image_id,
IMAGES_X1_COLUMN, x1,
IMAGES_Y1_COLUMN, y1,
IMAGES_X2_COLUMN, x2,
IMAGES_Y2_COLUMN, y2,
-1);
g_free (x1);
g_free (y1);
g_free (x2);
g_free (y2);
}
poppler_page_free_image_mapping (mapping);
g_object_unref (page);
}