+
+// wrapper for missing poppler functions (defunct poppler-gdk api)
+
+static void
+wrapper_copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
+ GdkPixbuf *pixbuf)
+{
+ int cairo_width, cairo_height, cairo_rowstride;
+ unsigned char *pixbuf_data, *dst, *cairo_data;
+ int pixbuf_rowstride, pixbuf_n_channels;
+ unsigned int *src;
+ int x, y;
+
+ cairo_width = cairo_image_surface_get_width (surface);
+ cairo_height = cairo_image_surface_get_height (surface);
+ cairo_rowstride = cairo_image_surface_get_stride (surface);
+ cairo_data = cairo_image_surface_get_data (surface);
+
+ pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
+ pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+ pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
+
+ if (cairo_width > gdk_pixbuf_get_width (pixbuf))
+ cairo_width = gdk_pixbuf_get_width (pixbuf);
+ if (cairo_height > gdk_pixbuf_get_height (pixbuf))
+ cairo_height = gdk_pixbuf_get_height (pixbuf);
+ for (y = 0; y < cairo_height; y++)
+ {
+ src = (unsigned int *) (cairo_data + y * cairo_rowstride);
+ dst = pixbuf_data + y * pixbuf_rowstride;
+ for (x = 0; x < cairo_width; x++)
+ {
+ dst[0] = (*src >> 16) & 0xff;
+ dst[1] = (*src >> 8) & 0xff;
+ dst[2] = (*src >> 0) & 0xff;
+ if (pixbuf_n_channels == 4)
+ dst[3] = (*src >> 24) & 0xff;
+ dst += pixbuf_n_channels;
+ src++;
+ }
+ }
+}
+
+void
+wrapper_poppler_page_render_to_pixbuf (PopplerPage *page,
+ int src_x, int src_y,
+ int src_width, int src_height,
+ double scale,
+ int rotation,
+ GdkPixbuf *pixbuf)
+{
+ cairo_t *cr;
+ cairo_surface_t *surface;
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ src_width, src_height);
+ cr = cairo_create (surface);
+ cairo_save (cr);
+ switch (rotation) {
+ case 90:
+ cairo_translate (cr, src_x + src_width, -src_y);
+ break;
+ case 180:
+ cairo_translate (cr, src_x + src_width, src_y + src_height);
+ break;
+ case 270:
+ cairo_translate (cr, -src_x, src_y + src_height);
+ break;
+ default:
+ cairo_translate (cr, -src_x, -src_y);
+ }
+
+ if (scale != 1.0)
+ cairo_scale (cr, scale, scale);
+
+ if (rotation != 0)
+ cairo_rotate (cr, rotation * G_PI / 180.0);
+
+ poppler_page_render (page, cr);
+ cairo_restore (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+ cairo_paint (cr);
+
+ cairo_destroy (cr);
+
+ wrapper_copy_cairo_surface_to_pixbuf (surface, pixbuf);
+ cairo_surface_destroy (surface);
+}