From 9a1a3b315f05568f6e28f64f685338dc120d5491 Mon Sep 17 00:00:00 2001
From: Jonathan Blandford <jrb@redhat.com>
Date: Thu, 25 Aug 2005 06:34:20 +0000
Subject: Redo rotation (again). prepare for 0.4.0

Thu Aug 25 02:32:32 2005  Jonathan Blandford  <jrb@redhat.com>

        * backend/ev-document-misc.c:
        (ev_document_misc_get_thumbnail_frame):
        * backend/ev-document-misc.h:
        * configure.ac:
        * pdf/ev-poppler.cc:
        * shell/Makefile.am:
        * shell/ev-sidebar-thumbnails.c: (add_range),
        (ev_sidebar_thumbnails_set_loading_icon),
        (ev_sidebar_thumbnails_refresh),
        (ev_sidebar_thumbnails_set_document):
        * shell/ev-sidebar-thumbnails.h:
        * shell/ev-view.c: (ev_view_motion_notify_event),
        (ev_view_set_property), (ev_view_get_property),
        (ev_view_class_init), (ev_view_set_rotation):
        * shell/ev-window.c: (ev_window_cmd_edit_rotate_left),
        (ev_window_cmd_edit_rotate_right), (ev_window_rotation_changed_cb),
        (ev_window_init):
        * tiff/tiff-document.c: (tiff_document_thumbnails_get_thumbnail):
        Redo rotation (again).  prepare for 0.4.0
---
(limited to 'backend/ev-document-misc.c')

diff --git a/backend/ev-document-misc.c b/backend/ev-document-misc.c
index 0626e13..c1fb32c 100644
--- a/backend/ev-document-misc.c
+++ b/backend/ev-document-misc.c
@@ -12,54 +12,69 @@
 GdkPixbuf *
 ev_document_misc_get_thumbnail_frame (int        width,
 				      int        height,
+				      int        rotation,
 				      GdkPixbuf *source_pixbuf)
 {
 	GdkPixbuf *retval;
 	guchar *data;
 	gint rowstride;
 	int i;
+	int width_r, height_r;
+
+	rotation = rotation % 360;
+
 
 	if (source_pixbuf)
 		g_return_val_if_fail (GDK_IS_PIXBUF (source_pixbuf), NULL);
 
 	if (source_pixbuf) {
-		width = gdk_pixbuf_get_width (source_pixbuf);
-		height = gdk_pixbuf_get_height (source_pixbuf);
+		width_r = gdk_pixbuf_get_width (source_pixbuf);
+		height_r = gdk_pixbuf_get_height (source_pixbuf);
+	} else {
+		if (rotation == 0 || rotation == 180) {
+			width_r = width;
+			height_r = height;
+		} else if (rotation == 90 || rotation == 270) {
+			width_r = height;
+			height_r = width;
+		} else {
+			g_assert_not_reached ();
+		}
 	}
 
 	/* make sure no one is passing us garbage */
-	g_assert (width >= 0 && height >= 0);
+	g_assert (width_r >= 0 && height_r >= 0);
 
 	retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 				 TRUE, 8,
-				 width + 4,
-				 height + 4);
+				 width_r + 4,
+				 height_r + 4);
 
 	/* make it black and fill in the middle */
 	data = gdk_pixbuf_get_pixels (retval);
 	rowstride = gdk_pixbuf_get_rowstride (retval);
 
 	gdk_pixbuf_fill (retval, 0x000000ff);
-	for (i = 1; i < height + 1; i++)
-		memset (data + (rowstride * i) + 4, 0xffffffff, width * 4);
+	for (i = 1; i < height_r + 1; i++)
+		memset (data + (rowstride * i) + 4, 0xffffffff, width_r * 4);
 
 	/* copy the source pixbuf */
 	if (source_pixbuf)
 		gdk_pixbuf_copy_area (source_pixbuf, 0, 0,
-				      width,
-				      height,
+				      width_r,
+				      height_r,
 				      retval,
 				      1, 1);
 	/* Add the corner */
-	data [(width + 2) * 4 + 3] = 0;
-	data [(width + 3) * 4 + 3] = 0;
-	data [(width + 2) * 4 + (rowstride * 1) + 3] = 0;
-	data [(width + 3) * 4 + (rowstride * 1) + 3] = 0;
-
-	data [(height + 2) * rowstride + 3] = 0;
-	data [(height + 3) * rowstride + 3] = 0;
-	data [(height + 2) * rowstride + 4 + 3] = 0;
-	data [(height + 3) * rowstride + 4 + 3] = 0;
+	data [(width_r + 2) * 4 + 3] = 0;
+	data [(width_r + 3) * 4 + 3] = 0;
+	data [(width_r + 2) * 4 + (rowstride * 1) + 3] = 0;
+	data [(width_r + 3) * 4 + (rowstride * 1) + 3] = 0;
+
+	data [(height_r + 2) * rowstride + 3] = 0;
+	data [(height_r + 3) * rowstride + 3] = 0;
+	data [(height_r + 2) * rowstride + 4 + 3] = 0;
+	data [(height_r + 3) * rowstride + 4 + 3] = 0;
 
 	return retval;
 }
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