[evolution] gnome-canvas: Remove GnomeCanvasLine

[Matthew Barnes <mbarnes src gnome org>]

commit 372b46d528dc9db5c7eb03e1b5f16580e1aba9a1
Author: Benjamin Otte <otte redhat com>
Date:   Wed Oct 13 17:08:56 2010 +0200

    gnome-canvas: Remove GnomeCanvasLine
    
    It's unused and has an ugly API. We can redo it later if we need it.

 libgnomecanvas/Makefile.am         |    2 -
 libgnomecanvas/gnome-canvas-line.c | 1191 ------------------------------------
 libgnomecanvas/gnome-canvas-line.h |  143 -----
 libgnomecanvas/gnome-canvas-util.c |   21 +
 libgnomecanvas/gnome-canvas-util.h |    3 +
 libgnomecanvas/libgnomecanvas.h    |    1 -
 6 files changed, 24 insertions(+), 1337 deletions(-)
---
diff --git a/libgnomecanvas/Makefile.am b/libgnomecanvas/Makefile.am
index 5069052..14b44a0 100644
--- a/libgnomecanvas/Makefile.am
+++ b/libgnomecanvas/Makefile.am
@@ -25,7 +25,6 @@ libgnomecanvasinclude_HEADERS =			\
 	gailcanvaswidgetfactory.h		\
 	gnome-canvas-clipgroup.h		\
 	gnome-canvas-i18n.h			\
-	gnome-canvas-line.h			\
 	gnome-canvas-path-def.h			\
 	gnome-canvas-pixbuf.h			\
 	gnome-canvas-rect-ellipse.h		\
@@ -48,7 +47,6 @@ libgnomecanvas_la_SOURCES =			\
 	gailcanvaswidget.c			\
 	gailcanvaswidgetfactory.c		\
 	gnome-canvas-clipgroup.c		\
-	gnome-canvas-line.c			\
 	gnome-canvas-path-def.c			\
 	gnome-canvas-pixbuf.c			\
 	gnome-canvas-rect-ellipse.c		\
diff --git a/libgnomecanvas/gnome-canvas-util.c b/libgnomecanvas/gnome-canvas-util.c
index 8a21c54..bc6b1ba 100644
--- a/libgnomecanvas/gnome-canvas-util.c
+++ b/libgnomecanvas/gnome-canvas-util.c
@@ -616,3 +616,24 @@ gnome_canvas_cap_gdk_to_art (GdkCapStyle gdk_cap)
 		return ART_PATH_STROKE_CAP_BUTT; /* shut up the compiler */
 	}
 }
+
+/**
+ * gnome_canvas_cairo_create_scratch:
+ *
+ * Create a scratch #cairo_t. This is useful for measuring purposes or
+ * calling functions like cairo_in_fill().
+ *
+ * Returns: A new cairo_t. Destroy with cairo_destroy() after use.
+ **/
+cairo_t *
+gnome_canvas_cairo_create_scratch (void)
+{
+        cairo_surface_t *surface;
+        cairo_t *cr;
+
+        surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0);
+        cr = cairo_create (surface);
+        cairo_surface_destroy (surface);
+
+        return cr;
+}
diff --git a/libgnomecanvas/gnome-canvas-util.h b/libgnomecanvas/gnome-canvas-util.h
index 1c43b65..74e112f 100644
--- a/libgnomecanvas/gnome-canvas-util.h
+++ b/libgnomecanvas/gnome-canvas-util.h
@@ -141,6 +141,9 @@ ArtPathStrokeJoinType gnome_canvas_join_gdk_to_art (GdkJoinStyle gdk_join);
 /* Convert from GDK line cap specifier to libart. */
 ArtPathStrokeCapType gnome_canvas_cap_gdk_to_art (GdkCapStyle gdk_cap);
 
+/* Create a scratch cairo_t for measuring purposes */
+cairo_t *gnome_canvas_cairo_create_scratch (void);
+
 G_END_DECLS
 
 #endif
diff --git a/libgnomecanvas/libgnomecanvas.h b/libgnomecanvas/libgnomecanvas.h
index 8ddd2c5..6dff7de 100644
--- a/libgnomecanvas/libgnomecanvas.h
+++ b/libgnomecanvas/libgnomecanvas.h
@@ -27,7 +27,6 @@
 #define LIBGNOMECANVAS_H
 
 #include <libgnomecanvas/gnome-canvas.h>
-#include <libgnomecanvas/gnome-canvas-line.h>
 #include <libgnomecanvas/gnome-canvas-text.h>
 #include <libgnomecanvas/gnome-canvas-rich-text.h>
 #include <libgnomecanvas/gnome-canvas-pixbuf.h>