| /************************************************************************** |
| * |
| * 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 ARC_H |
| #define ARC_H |
| |
| #include "VG/openvg.h" |
| |
| struct polygon; |
| struct matrix; |
| struct stroker; |
| struct path; |
| |
| struct arc { |
| VGPathSegment type; |
| |
| VGfloat cx, cy; |
| |
| VGfloat a, b; |
| |
| VGfloat theta; |
| VGfloat cos_theta, sin_theta; |
| |
| VGfloat eta1; |
| VGfloat eta2; |
| |
| VGfloat x1, y1, x2, y2; |
| |
| VGboolean is_valid; |
| }; |
| |
| void arc_init(struct arc *arc, |
| VGPathSegment type, |
| VGfloat x1, VGfloat y1, |
| VGfloat x2, VGfloat y2, |
| VGfloat rh, VGfloat rv, |
| VGfloat rot); |
| |
| void arc_add_to_polygon(struct arc *arc, |
| struct polygon *poly, |
| struct matrix *matrix); |
| |
| |
| void arc_to_path(struct arc *arc, |
| struct path *p, |
| struct matrix *matrix); |
| |
| void arc_stroke_cb(struct arc *arc, |
| struct stroker *stroke, |
| struct matrix *matrix); |
| |
| void arc_stroker_emit(struct arc *arc, |
| struct stroker *stroke, |
| struct matrix *matrix); |
| |
| |
| #endif |