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Diffstat (limited to 'src/cairo-convex-fill-private.h')
-rw-r--r-- | src/cairo-convex-fill-private.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/cairo-convex-fill-private.h b/src/cairo-convex-fill-private.h new file mode 100644 index 000000000..ba76045b3 --- /dev/null +++ b/src/cairo-convex-fill-private.h @@ -0,0 +1,112 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2014 Samsung Research America, Silicon Valley + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is Red Hat, Inc. + * + * Contributor(s): + * Srikanth Chevalam<chevalam.s@samsung.com> + * Suyambulingam Rathinasamy<suyambu.rm@samsung.com> + * Henry Song <henry.song@samsung.com> + */ +#ifndef __CAIRO_CONVEX_FILL_H_ +#define __CAIRO_CONVEX_FILL_H_ + +#include "cairo-box-inline.h" +#include "cairo-list-inline.h" +#include "cairo-stroke-dash-private.h" +#include "cairo-slope-private.h" + +#define NUM_SPLINE_CALLS 64 + +typedef struct cairo_convex_fill_closure { + cairo_status_t (*add_triangle_fan) (void *closure, + const cairo_point_t *points, + int npoints); + double tolerance; + cairo_point_t current_point; + cairo_point_t start_point; + void *closure; + unsigned int pcount; + unsigned int capacity; + cairo_bool_t midp_added; + cairo_point_t embedded_points[NUM_SPLINE_CALLS]; + cairo_point_t *convex_points; +} cairo_convex_fill_closure_t; + +typedef cairo_warn cairo_status_t +(*cairo_convex_fill_closure_add_triangle_fan) (void *closure, + const cairo_point_t *points, + int npoints); + +cairo_status_t +_cairo_convex_fill_spline_to (void *closure, + const cairo_point_t *point, + const cairo_slope_t *tangent); + + +cairo_status_t +_cairo_convex_fill_curve_to (void *closure, + const cairo_point_t *b, + const cairo_point_t *c, + const cairo_point_t *d); + +cairo_status_t +_cairo_convex_fill_move_to (void *closure, + const cairo_point_t *point); + +cairo_status_t +_cairo_path_fixed_fill_to_convex (cairo_convex_fill_closure_add_triangle_fan add_triangle_fan, + const cairo_path_fixed_t *path, + cairo_path_fixed_move_to_func_t *move_to, + cairo_path_fixed_line_to_func_t *line_to, + cairo_path_fixed_curve_to_func_t *curve_to, + cairo_path_fixed_close_path_func_t *close_path, + void *closure); + + +cairo_status_t +_cairo_path_fixed_convex_fill_interpret (const cairo_path_fixed_t *path, + cairo_path_fixed_move_to_func_t *move_to, + cairo_path_fixed_line_to_func_t *line_to, + cairo_path_fixed_curve_to_func_t *curve_to, + cairo_path_fixed_close_path_func_t *close_path, + void *closure); + +cairo_status_t +_cairo_convex_fill_line_to (void *closure, + const cairo_point_t *point); + +cairo_status_t +_cairo_convex_fill_close_path (void *closure); + +cairo_status_t +_add_triangle (void *closure, + const cairo_point_t triangle[3]); + +#endif |