This unbreaks the build of gimp after the update to poppler-0.18.
Please test.
Index: patches/patch-plug-ins_common_file-pdf_c
===================================================================
RCS file: patches/patch-plug-ins_common_file-pdf_c
diff -N patches/patch-plug-ins_common_file-pdf_c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-plug-ins_common_file-pdf_c 17 Nov 2011 18:08:39 -0000
@@ -0,0 +1,427 @@
+$OpenBSD$
+
+Fix build with poppler-0.18. Patch gyped from opensuse.
+
+--- plug-ins/common/file-pdf.c.orig Sat Jul 3 00:51:56 2010
++++ plug-ins/common/file-pdf.c Thu Nov 17 18:42:37 2011
+@@ -4,6 +4,9 @@
+ *
+ * Copyright (C) 2005 Nathan Summers
+ *
++ * Some code in render_page_to_surface() borrowed from
++ * poppler.git/glib/poppler-page.cc.
++ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+@@ -80,16 +83,20 @@ static gboolean load_dialog (PopplerDoc
+ static PopplerDocument * open_document (const gchar *filename,
+ GError **error);
+
+-static GdkPixbuf * get_thumbnail (PopplerDocument *doc,
++static cairo_surface_t * get_thumb_surface (PopplerDocument *doc,
+ gint page,
+ gint
preferred_size);
+
++static GdkPixbuf * get_thumb_pixbuf (PopplerDocument *doc,
++ gint page,
++ gint
preferred_size);
++
+ static gint32 layer_from_pixbuf (gint32 image,
+- const gchar
*layer_name,
+- gint position,
+- GdkPixbuf *buf,
+- gdouble
progress_start,
+- gdouble
progress_scale);
++ const gchar
*layer_name,
++ gint
position,
++ GdkPixbuf
*pixbuf,
++ gdouble
progress_start,
++ gdouble
progress_scale);
+
+ /**
+ ** the following was formerly part of
+@@ -433,11 +440,12 @@ run (const gchar *name,
+ }
+ else
+ {
+- gdouble width = 0;
+- gdouble height = 0;
+- gdouble scale;
+- gint32 image = -1;
+- GdkPixbuf *pixbuf = NULL;
++ gdouble width = 0;
++ gdouble height = 0;
++ gdouble scale;
++ gint32 image = -1;
++ gint num_pages = 0;
++ GdkPixbuf *pixbuf = NULL;
+
+ /* Possibly retrieve last settings */
+ gimp_get_data (LOAD_PROC, &loadvals);
+@@ -455,7 +463,10 @@ run (const gchar *name,
+ g_object_unref (page);
+ }
+
+- pixbuf = get_thumbnail (doc, 0, param[1].data.d_int32);
++ num_pages = poppler_document_get_n_pages (doc);
++
++ pixbuf = get_thumb_pixbuf (doc, 0, param[1].data.d_int32);
++
+ g_object_unref (doc);
+ }
+
+@@ -548,6 +559,187 @@ open_document (const gchar *filename,
+ return doc;
+ }
+
++/* FIXME: Remove this someday when we depend fully on GTK+ >= 3 */
++
++#if (!GTK_CHECK_VERSION (3, 0, 0))
++
++static cairo_format_t
++gdk_cairo_format_for_content (cairo_content_t content)
++{
++ switch (content)
++ {
++ case CAIRO_CONTENT_COLOR:
++ return CAIRO_FORMAT_RGB24;
++ case CAIRO_CONTENT_ALPHA:
++ return CAIRO_FORMAT_A8;
++ case CAIRO_CONTENT_COLOR_ALPHA:
++ default:
++ return CAIRO_FORMAT_ARGB32;
++ }
++}
++
++static cairo_surface_t *
++gdk_cairo_surface_coerce_to_image (cairo_surface_t *surface,
++ cairo_content_t content,
++ int src_x,
++ int src_y,
++ int width,
++ int height)
++{
++ cairo_surface_t *copy;
++ cairo_t *cr;
++
++ copy = cairo_image_surface_create (gdk_cairo_format_for_content (content),
++ width,
++ height);
++
++ cr = cairo_create (copy);
++ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
++ cairo_set_source_surface (cr, surface, -src_x, -src_y);
++ cairo_paint (cr);
++ cairo_destroy (cr);
++
++ return copy;
++}
++
++static void
++convert_alpha (guchar *dest_data,
++ int dest_stride,
++ guchar *src_data,
++ int src_stride,
++ int src_x,
++ int src_y,
++ int width,
++ int height)
++{
++ int x, y;
++
++ src_data += src_stride * src_y + src_x * 4;
++
++ for (y = 0; y < height; y++) {
++ guint32 *src = (guint32 *) src_data;
++
++ for (x = 0; x < width; x++) {
++ guint alpha = src[x] >> 24;
++
++ if (alpha == 0)
++ {
++ dest_data[x * 4 + 0] = 0;
++ dest_data[x * 4 + 1] = 0;
++ dest_data[x * 4 + 2] = 0;
++ }
++ else
++ {
++ dest_data[x * 4 + 0] = (((src[x] & 0xff0000) >> 16) * 255 + alpha /
2) / alpha;
++ dest_data[x * 4 + 1] = (((src[x] & 0x00ff00) >> 8) * 255 + alpha /
2) / alpha;
++ dest_data[x * 4 + 2] = (((src[x] & 0x0000ff) >> 0) * 255 + alpha /
2) / alpha;
++ }
++ dest_data[x * 4 + 3] = alpha;
++ }
++
++ src_data += src_stride;
++ dest_data += dest_stride;
++ }
++}
++
++static void
++convert_no_alpha (guchar *dest_data,
++ int dest_stride,
++ guchar *src_data,
++ int src_stride,
++ int src_x,
++ int src_y,
++ int width,
++ int height)
++{
++ int x, y;
++
++ src_data += src_stride * src_y + src_x * 4;
++
++ for (y = 0; y < height; y++) {
++ guint32 *src = (guint32 *) src_data;
++
++ for (x = 0; x < width; x++) {
++ dest_data[x * 3 + 0] = src[x] >> 16;
++ dest_data[x * 3 + 1] = src[x] >> 8;
++ dest_data[x * 3 + 2] = src[x];
++ }
++
++ src_data += src_stride;
++ dest_data += dest_stride;
++ }
++}
++
++/**
++ * gdk_pixbuf_get_from_surface:
++ * @surface: surface to copy from
++ * @src_x: Source X coordinate within @surface
++ * @src_y: Source Y coordinate within @surface
++ * @width: Width in pixels of region to get
++ * @height: Height in pixels of region to get
++ *
++ * Transfers image data from a #cairo_surface_t and converts it to an RGB(A)
++ * representation inside a #GdkPixbuf. This allows you to efficiently read
++ * individual pixels from cairo surfaces. For #GdkWindows, use
++ * gdk_pixbuf_get_from_window() instead.
++ *
++ * This function will create an RGB pixbuf with 8 bits per channel.
++ * The pixbuf will contain an alpha channel if the @surface contains one.
++ *
++ * Return value: (transfer full): A newly-created pixbuf with a reference
++ * count of 1, or %NULL on error
++ */
++static GdkPixbuf *
++gdk_pixbuf_get_from_surface (cairo_surface_t *surface,
++ gint src_x,
++ gint src_y,
++ gint width,
++ gint height)
++{
++ cairo_content_t content;
++ GdkPixbuf *dest;
++
++ /* General sanity checks */
++ g_return_val_if_fail (surface != NULL, NULL);
++ g_return_val_if_fail (width > 0 && height > 0, NULL);
++
++ content = cairo_surface_get_content (surface) | CAIRO_CONTENT_COLOR;
++ dest = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
++ !!(content & CAIRO_CONTENT_ALPHA),
++ 8,
++ width, height);
++
++ surface = gdk_cairo_surface_coerce_to_image (surface, content,
++ src_x, src_y,
++ width, height);
++ cairo_surface_flush (surface);
++ if (cairo_surface_status (surface) || dest == NULL)
++ {
++ cairo_surface_destroy (surface);
++ return NULL;
++ }
++
++ if (gdk_pixbuf_get_has_alpha (dest))
++ convert_alpha (gdk_pixbuf_get_pixels (dest),
++ gdk_pixbuf_get_rowstride (dest),
++ cairo_image_surface_get_data (surface),
++ cairo_image_surface_get_stride (surface),
++ 0, 0,
++ width, height);
++ else
++ convert_no_alpha (gdk_pixbuf_get_pixels (dest),
++ gdk_pixbuf_get_rowstride (dest),
++ cairo_image_surface_get_data (surface),
++ cairo_image_surface_get_stride (surface),
++ 0, 0,
++ width, height);
++
++ cairo_surface_destroy (surface);
++ return dest;
++}
++
++#endif
++
+ static gint32
+ layer_from_pixbuf (gint32 image,
+ const gchar *layer_name,
+@@ -566,6 +758,54 @@ layer_from_pixbuf (gint32 image,
+ return layer;
+ }
+
++static cairo_surface_t *
++render_page_to_surface (PopplerPage *page,
++ int width,
++ int height,
++ double scale)
++{
++ cairo_surface_t *surface;
++ cairo_t *cr;
++
++ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
++ cr = cairo_create (surface);
++
++ cairo_save (cr);
++ cairo_translate (cr, 0.0, 0.0);
++
++ if (scale != 1.0)
++ cairo_scale (cr, scale, scale);
++
++ poppler_page_render (page, cr);
++ cairo_restore (cr);
++
++ cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
++ cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
++ cairo_paint (cr);
++
++ cairo_destroy (cr);
++
++ return surface;
++}
++
++static GdkPixbuf *
++render_page_to_pixbuf (PopplerPage *page,
++ int width,
++ int height,
++ double scale)
++{
++ GdkPixbuf *pixbuf;
++ cairo_surface_t *surface;
++
++ surface = render_page_to_surface (page, width, height, scale);
++ pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0,
++ cairo_image_surface_get_width
(surface),
++ cairo_image_surface_get_height
(surface));
++ cairo_surface_destroy (surface);
++
++ return pixbuf;
++}
++
+ static gint32
+ load_image (PopplerDocument *doc,
+ const gchar *filename,
+@@ -597,7 +837,7 @@ load_image (PopplerDocument *doc,
+ gdouble page_width;
+ gdouble page_height;
+
+- GdkPixbuf *buf;
++ GdkPixbuf *pixbuf;
+ gint width;
+ gint height;
+
+@@ -627,15 +867,13 @@ load_image (PopplerDocument *doc,
+ gimp_image_set_resolution (image_ID, resolution, resolution);
+ }
+
+- buf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
++ pixbuf = render_page_to_pixbuf (page, width, height, scale);
+
+- poppler_page_render_to_pixbuf (page, 0, 0, width, height, scale, 0,
buf);
+-
+- layer_from_pixbuf (image_ID, page_label, i, buf,
++ layer_from_pixbuf (image_ID, page_label, i, pixbuf,
+ doc_progress, 1.0 / pages->n_pages);
+
+ g_free (page_label);
+- g_object_unref (buf);
++ g_object_unref(pixbuf);
+
+ doc_progress = (double) (i + 1) / pages->n_pages;
+ gimp_progress_update (doc_progress);
+@@ -676,30 +914,22 @@ load_image (PopplerDocument *doc,
+ return image_ID;
+ }
+
+-static GdkPixbuf *
+-get_thumbnail (PopplerDocument *doc,
+- gint page_num,
+- gint preferred_size)
++static cairo_surface_t *
++get_thumb_surface (PopplerDocument *doc,
++ gint page_num,
++ gint preferred_size)
+ {
+ PopplerPage *page;
+- GdkPixbuf *pixbuf;
++ cairo_surface_t *surface;
+
+ page = poppler_document_get_page (doc, page_num);
+
+ if (! page)
+ return NULL;
+
+- /* XXX: Remove conditional when we depend on poppler 0.8.0, but also
+- * add configure check to make sure POPPLER_WITH_GDK is enabled!
+- */
+-#ifdef POPPLER_WITH_GDK
+- pixbuf = poppler_page_get_thumbnail_pixbuf (page);
+-#else
+- pixbuf = poppler_page_get_thumbnail (page);
+-#endif
++ surface = poppler_page_get_thumbnail (page);
+
+-
+- if (! pixbuf)
++ if (! surface)
+ {
+ gdouble width;
+ gdouble height;
+@@ -712,15 +942,28 @@ get_thumbnail (PopplerDocument *doc,
+ width *= scale;
+ height *= scale;
+
+- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
+- width, height);
+-
+- poppler_page_render_to_pixbuf (page,
+- 0, 0, width, height, scale, 0, pixbuf);
++ surface = render_page_to_surface (page, width, height, scale);
+ }
+
+ g_object_unref (page);
+
++ return surface;
++}
++
++static GdkPixbuf *
++get_thumb_pixbuf (PopplerDocument *doc,
++ gint page_num,
++ gint preferred_size)
++{
++ cairo_surface_t *surface;
++ GdkPixbuf *pixbuf;
++
++ surface = get_thumb_surface (doc, page_num, preferred_size);
++ pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0,
++ cairo_image_surface_get_width
(surface),
++ cairo_image_surface_get_height
(surface));
++ cairo_surface_destroy (surface);
++
+ return pixbuf;
+ }
+
+@@ -769,8 +1012,8 @@ thumbnail_thread (gpointer data)
+ idle_data->page_no = i;
+
+ /* FIXME get preferred size from somewhere? */
+- idle_data->pixbuf = get_thumbnail (thread_data->document, i,
+- THUMBNAIL_SIZE);
++ idle_data->pixbuf = get_thumb_pixbuf (thread_data->document, i,
++ THUMBNAIL_SIZE);
+
+ g_idle_add (idle_set_thumbnail, idle_data);
+
