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/**************************************************************************
*
* Copyright 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef POLYGON_H
#define POLYGON_H
#include "VG/openvg.h"
struct polygon;
struct vg_context;
struct vg_paint;
struct array;
struct polygon *polygon_create(int size);
struct polygon *polygon_create_from_data(float *data, int size);
void polygon_destroy(struct polygon *poly);
void polygon_resize(struct polygon *poly, int new_size);
int polygon_size(struct polygon *poly);
int polygon_vertex_count(struct polygon *poly);
float * polygon_data(struct polygon *poly);
void polygon_vertex_append(struct polygon *p,
float x, float y);
void polygon_append_polygon(struct polygon *dst,
struct polygon *src);
void polygon_set_vertex(struct polygon *p, int idx,
float x, float y);
void polygon_vertex(struct polygon *p, int idx,
float *vertex);
void polygon_bounding_rect(struct polygon *p,
float *rect);
int polygon_contains_point(struct polygon *p,
float x, float y);
VGboolean polygon_is_closed(struct polygon *p);
void polygon_fill(struct polygon *p, struct vg_context *pipe);
/* TODO: make a file/module around this struct
*/
struct polygon_array {
struct array *array;
VGfloat min_x, max_x;
VGfloat min_y, max_y;
};
void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx);
#endif
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