From 544dd4b11f7be76bb00fe29a60eaf2772dcc69ca Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Fri, 1 May 2009 12:41:38 -0400 Subject: OpenVG 1.0 State Tracker Import of the OpenVG 1.0 state tracker for Gallium. --- src/gallium/state_trackers/vega/arc.h | 80 +++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 src/gallium/state_trackers/vega/arc.h (limited to 'src/gallium/state_trackers/vega/arc.h') diff --git a/src/gallium/state_trackers/vega/arc.h b/src/gallium/state_trackers/vega/arc.h new file mode 100644 index 00000000000..3205cd5021d --- /dev/null +++ b/src/gallium/state_trackers/vega/arc.h @@ -0,0 +1,80 @@ +/************************************************************************** + * + * 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 -- cgit v1.2.3