gtk-tpdfv: Create an empty white page to draw the PDF page on.

diff --git a/src/gtk-tpdfv.c b/src/gtk-tpdfv.c
index cba2e1f2a1c13697e384cb8d1eeab7e62c0547e8..082872bece43aab0cb3416094383cc0f1d765af6 100644 (file)
--- a/src/gtk-tpdfv.c
+++ b/src/gtk-tpdfv.c
@@ -279,6 +279,15 @@ gtk_tpdfv_expose(GtkWidget *tpdfv, GdkEventExpose *event)
 
        cairo_translate(cr, x + pdf->delta_x, y + pdf->delta_y);
 
+       /* draw empty white page */
+       cairo_save(cr);
+
+       cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
+       cairo_rectangle(cr, 0.0, 0.0, page_width, page_height);
+       cairo_fill(cr);
+
+       cairo_restore(cr);
+
        poppler_page_render(pdf->current_page, cr);
 
        cairo_destroy(cr);