diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/polygon.h')
-rw-r--r-- | src/gallium/state_trackers/vega/polygon.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/polygon.h b/src/gallium/state_trackers/vega/polygon.h new file mode 100644 index 0000000000..22672b728e --- /dev/null +++ b/src/gallium/state_trackers/vega/polygon.h @@ -0,0 +1,75 @@ +/************************************************************************** + * + * 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 |