0001-Add-poppler_annot_render.patch

From 088d872b7734210fd31f36862c215ba152996cc4 Mon Sep 17 00:00:00 2001
From: Patrick Golden <ptgolden0@gmail.com>
Date: Sat, 22 Apr 2017 13:57:09 -0400
Subject: [PATCH 1/2] Add poppler_annot_render

This is a local version comparable to this proposed patch:

https://bugs.freedesktop.org/show_bug.cgi?id=83643
---
 glib/poppler-page.cc | 43 +++++++++++++++++++++++++++++++++++++++++++
 glib/poppler-page.h  |  3 +++
 2 files changed, 46 insertions(+)

diff --git a/glib/poppler-page.cc b/glib/poppler-page.cc
index 3d63bfd..4c640e3 100644
--- a/glib/poppler-page.cc
+++ b/glib/poppler-page.cc
@@ -423,6 +423,49 @@ poppler_page_render_for_printing (PopplerPage *page,
   _poppler_page_render (page, cairo, gTrue, POPPLER_PRINT_ALL);
 }
 
+/**
+ * poppler_annot_render:
+ * @poppler_page: a #PopplerPage
+ * @poppler_annot: a #PopplerAnnot on @poppler_page
+ * @cairo: cairo context to render to
+ *
+ * Render a single annotation to a cairo context
+ */
+void
+poppler_page_render_annot(PopplerPage  *poppler_page,
+			  PopplerAnnot *poppler_annot,
+			  cairo_t      *cairo)
+{
+  double x1, y1, x2, y2;
+  CairoOutputDev *output_dev;
+  Gfx *gfx;
+
+  g_return_if_fail (POPPLER_IS_PAGE (poppler_page));
+  g_return_if_fail (POPPLER_IS_ANNOT (poppler_annot));
+  g_return_if_fail (poppler_page_get_index(poppler_page) == poppler_annot_get_page_index(poppler_annot));
+
+  output_dev = poppler_page->document->output_dev;
+  output_dev->setCairo (cairo);
+
+  cairo_clip_extents (cairo, &x1, &y1, &x2, &y2);
+  cairo_save (cairo);
+
+  gfx = poppler_page->page->createGfx (output_dev,
+				       72.0, 72.0, 0,
+				       gFalse, /* useMediaBox */
+				       gTrue, /* crop */
+				       x1, y1,
+				       x2, y2,
+				       gFalse,
+				       NULL, NULL);
+
+  poppler_annot->annot->draw (gfx, gFalse);
+  cairo_restore (cairo);
+
+  output_dev->setCairo (NULL);
+  delete gfx;
+}
+
 static cairo_surface_t *
 create_surface_from_thumbnail_data (guchar *data,
 				    gint    width,
diff --git a/glib/poppler-page.h b/glib/poppler-page.h
index fdbfd38..63caa58 100644
--- a/glib/poppler-page.h
+++ b/glib/poppler-page.h
@@ -41,6 +41,9 @@ void                   poppler_page_render_for_printing  (PopplerPage        *pa
 void       poppler_page_render_for_printing_with_options (PopplerPage        *page,
                                                           cairo_t            *cairo,
                                                           PopplerPrintFlags   options);
+void                   poppler_page_render_annot         (PopplerPage        *poppler_page,
+			                                  PopplerAnnot       *poppler_annot,
+							  cairo_t            *cairo);
 cairo_surface_t       *poppler_page_get_thumbnail        (PopplerPage        *page);
 void                   poppler_page_render_selection     (PopplerPage        *page,
 							  cairo_t            *cairo,
-- 
2.9.3