void-packages/srcpkgs/xournal/patches/poppler-api.patch

diff -aur old/src/xo-file.c new/src/xo-file.c
--- src/xo-file.c	2009-09-29 09:36:05.000000000 +1000
+++ src/xo-file.c	2011-10-06 03:11:17.307822836 +1100
@@ -975,6 +975,140 @@
   g_free(req);
 }

+/*
+ * Copied from http://cgit.freedesktop.org/poppler/poppler/tree/glib/poppler-page.cc?h=poppler-0.16#n617
+ * as a temporary workaround to poppler removing depreciated functions while we wait for
+ * upstream to rewrite against cairo
+ */
+static void
+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++;
+	}
+    }
+}
+
+static void
+_poppler_page_render_to_pixbuf (PopplerPage *page,
+				int src_x, int src_y,
+				int src_width, int src_height,
+				double scale,
+				int rotation,
+				gboolean printing,
+				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);
+
+  if (printing)
+	  poppler_page_render_for_printing (page, cr);
+  else
+	  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);
+
+  copy_cairo_surface_to_pixbuf (surface, pixbuf);
+  cairo_surface_destroy (surface);
+}
+
+/**
+ * poppler_page_render_to_pixbuf:
+ * @page: the page to render from
+ * @src_x: x coordinate of upper left corner
+ * @src_y: y coordinate of upper left corner
+ * @src_width: width of rectangle to render
+ * @src_height: height of rectangle to render
+ * @scale: scale specified as pixels per point
+ * @rotation: rotate the document by the specified degree
+ * @pixbuf: pixbuf to render into
+ *
+ * First scale the document to match the specified pixels per point,
+ * then render the rectangle given by the upper left corner at
+ * (src_x, src_y) and src_width and src_height.
+ * This function is for rendering a page that will be displayed.
+ * If you want to render a page that will be printed use
+ * poppler_page_render_to_pixbuf_for_printing() instead
+ *
+ * Deprecated: 0.16
+ **/
+void
+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)
+{
+  g_return_if_fail (POPPLER_IS_PAGE (page));
+  g_return_if_fail (scale > 0.0);
+  g_return_if_fail (pixbuf != NULL);
+
+  _poppler_page_render_to_pixbuf (page, src_x, src_y,
+				  src_width, src_height,
+				  scale, rotation,
+				  FALSE,
+				  pixbuf);
+}
 /* process a bg PDF request from the queue, and recurse */

 gboolean bgpdf_scheduler_callback(gpointer data)
diff -aur old/src/xo-file.h new/src/xo-file.h
--- src/xo-file.h	2009-09-28 08:45:53.000000000 +1000
+++ src/xo-file.h	2011-10-06 03:11:17.311156160 +1100
@@ -36,3 +36,10 @@
 void init_config_default(void);
 void load_config_from_file(void);
 void save_config_to_file(void);
+
+void 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);