00001 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ 00002 /* 00003 * go-cairo.c 00004 * 00005 * Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org) 00006 * Copyright (C) 2000 Eazel, Inc. 00007 * 00008 * This program is free software; you can redistribute it and/or 00009 * modify it under the terms of version 2 of the GNU General Public 00010 * License as published by the Free Software Foundation. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 00020 * USA 00021 * 00022 * Author: Raph Levien <raph@artofcode.com> 00023 */ 00024 00025 #ifndef GO_CAIRO_H 00026 #define GO_CAIRO_H 00027 00028 #include <cairo.h> 00029 #include <glib.h> 00030 #include <math.h> 00031 00032 G_BEGIN_DECLS 00033 00034 /* This is a workaround for a cairo bug, due to its internal 00035 * handling of coordinates (16.16 fixed point). */ 00036 #define GO_CAIRO_CLAMP(x) CLAMP((x),-15000,15000) 00037 #define GO_CAIRO_CLAMP_SNAP(x,even) GO_CAIRO_CLAMP(even ? floor (x + .5):floor (x) + .5) 00038 00039 void go_cairo_emit_svg_path (cairo_t *cr, char const *path); 00040 gboolean go_cairo_surface_is_vector (cairo_surface_t const *surface); 00041 void go_cairo_convert_data_to_pixbuf (unsigned char *dst, unsigned char const *src, 00042 int width, int height, int rowstride); 00043 void go_cairo_convert_data_from_pixbuf (unsigned char *dst, unsigned char const *src, 00044 int width, int height, int rowstride); 00045 00046 G_END_DECLS 00047 00048 #endif /* GO_CAIRO_H */
1.7.1