Use cairo image surfaces instead of GDK pixbufs for drawing pages and

2007-06-13  Carlos Garcia Campos  <carlosgc@gnome.org>
	* backend/dvi/dvi-document.c: (dvi_document_render),
	(dvi_document_render_pixbuf), (dvi_document_document_iface_init):
	* backend/impress/impress-document.c:
	(imp_render_get_from_drawable), (impress_document_render_pixbuf),
	(impress_document_render), (impress_document_document_iface_init),
	(impress_document_thumbnails_get_thumbnail):
	* backend/djvu/djvu-document-private.h:
	* backend/djvu/djvu-document.c: (djvu_document_render),
	(djvu_document_finalize), (djvu_document_document_iface_init),
	(djvu_document_thumbnails_get_thumbnail), (djvu_document_init):
	* backend/tiff/tiff-document.c: (tiff_document_render),
	(tiff_document_render_pixbuf),
	(tiff_document_document_iface_init):
	* backend/pdf/ev-poppler.cc: (pdf_document_render),
	(pdf_document_render_pixbuf), (pdf_document_document_iface_init),
	(pdf_selection_render_selection):
	* backend/comics/comics-document.c:
	(comics_document_render_pixbuf), (comics_document_render),
	(comics_document_document_iface_init):
	* backend/pixbuf/pixbuf-document.c: (pixbuf_document_render),
	(pixbuf_document_document_iface_init):
	* libdocument/ev-document-misc.[ch]:
	(ev_document_misc_surface_from_pixbuf),
	(ev_document_misc_surface_rotate_and_scale):
	* libdocument/ev-document.[ch]: (ev_document_render):
	* libdocument/ev-selection.[ch]: (ev_selection_render_selection):
	* shell/ev-pixbuf-cache.[ch]: (dispose_cache_job_info),
	(move_one_job), (copy_job_to_job_info), (add_job_if_needed),
	(ev_pixbuf_cache_get_surface), (new_selection_surface_needed),
	(clear_selection_if_needed), (ev_pixbuf_cache_style_changed),
	(ev_pixbuf_cache_get_selection_surface), (clear_job_selection):
	* shell/ev-jobs.[ch]: (ev_job_render_dispose),
	(render_finished_cb), (ev_job_render_run):
	* shell/ev-view.c: (draw_loading_text), (draw_one_page),
	(merge_selection_region):
	Use cairo image surfaces instead of GDK pixbufs for drawing pages
	and selections.

svn path=/trunk/; revision=2499

1 files changed, 15 insertions, 10 deletions

diff --git a/backend/pixbuf/pixbuf-document.c b/backend/pixbuf/pixbuf-document.c
index c1cace0..83d2b8a 100644
--- a/backend/pixbuf/pixbuf-document.c
+++ b/backend/pixbuf/pixbuf-document.c
@@ -101,22 +101,27 @@ pixbuf_document_get_page_size (EvDocument   *document,
 	*height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
 }
 
-static GdkPixbuf*
-pixbuf_document_render_pixbuf (EvDocument      *document,
-			       EvRenderContext *rc)
+static cairo_surface_t *
+pixbuf_document_render (EvDocument      *document,
+			EvRenderContext *rc)
 {
 	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
 	GdkPixbuf *scaled_pixbuf, *rotated_pixbuf;
+	cairo_surface_t *surface;
 
-	scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
-					         gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale,
-					         gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale,
-					         GDK_INTERP_BILINEAR);
-
+	scaled_pixbuf = gdk_pixbuf_scale_simple (
+		pixbuf_document->pixbuf,
+		(gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale) + 0.5,
+		(gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale) + 0.5,
+		GDK_INTERP_BILINEAR);
+	
         rotated_pixbuf = gdk_pixbuf_rotate_simple (scaled_pixbuf, 360 - rc->rotation);
         g_object_unref (scaled_pixbuf);
 
-	return rotated_pixbuf;
+	surface = ev_document_misc_surface_from_pixbuf (rotated_pixbuf);
+	g_object_unref (rotated_pixbuf);
+
+	return surface;
 }
 
 static void
@@ -163,7 +168,7 @@ pixbuf_document_document_iface_init (EvDocumentIface *iface)
 	iface->can_get_text = pixbuf_document_can_get_text;
 	iface->get_n_pages = pixbuf_document_get_n_pages;
 	iface->get_page_size = pixbuf_document_get_page_size;
-	iface->render_pixbuf = pixbuf_document_render_pixbuf;
+	iface->render = pixbuf_document_render;
 	iface->get_info = pixbuf_document_get_info;
 }