C++ (Cpp) poppler_page_get_image_mappingの例

コード例 #1

ファイル: rbpoppler-page.c プロジェクト: fukuchi/ruby-gnome2

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;
}

コード例 #2

ファイル: images.c プロジェクト: Godmen/poppler

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);
}