0,0 → 1,126 |
/************************************************************************** |
* |
* 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. |
* |
**************************************************************************/ |
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#ifndef _PATH_H |
#define _PATH_H |
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#include "VG/openvg.h" |
|
struct path; |
struct polygon; |
struct matrix; |
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enum fill_rule { |
ODD_EVEN_FILL, |
WINDING_FILL |
}; |
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struct path_for_each_data { |
VGubyte segment; |
/* all coords are absolute, even if segment is relative */ |
const VGfloat *coords; |
VGfloat sx, sy, ox, oy, px, py; |
void *user_data; |
}; |
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typedef VGboolean (*path_for_each_cb)(struct path *p, |
struct path_for_each_data *data); |
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struct path *path_create(VGPathDatatype dt, VGfloat scale, VGfloat bias, |
VGint segmentCapacityHint, |
VGint coordCapacityHint, |
VGbitfield capabilities); |
void path_destroy(struct path *p); |
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VGbitfield path_capabilities(struct path *p); |
void path_set_capabilities(struct path *p, VGbitfield bf); |
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void path_append_data(struct path *p, |
VGint numSegments, |
const VGubyte * pathSegments, |
const void * pathData); |
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void path_append_path(struct path *dst, |
struct path *src); |
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VGint path_num_segments(struct path *p); |
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void path_bounding_rect(struct path *p, float *x, float *y, |
float *w, float *h); |
float path_length(struct path *p, int start_segment, int num_segments); |
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void path_set_fill_rule(enum fill_rule fill); |
enum fill_rule path_fill_rule(enum fill_rule fill); |
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VGboolean path_is_empty(struct path *p); |
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VGbyte path_datatype_size(struct path *p); |
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VGPathDatatype path_datatype(struct path *p); |
VGfloat path_scale(struct path *p); |
VGfloat path_bias(struct path *p); |
VGint path_num_coords(struct path *p); |
|
void path_modify_coords(struct path *p, |
VGint startIndex, |
VGint numSegments, |
const void * pathData); |
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struct path *path_create_stroke(struct path *p, |
struct matrix *m); |
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void path_for_each_segment(struct path *path, |
path_for_each_cb cb, |
void *user_data); |
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void path_transform(struct path *dst, struct path *src); |
VGboolean path_interpolate(struct path *dst, |
struct path *start, struct path *end, |
VGfloat amount); |
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void path_clear(struct path *p, VGbitfield capabilities); |
void path_render(struct path *p, VGbitfield paintModes, struct matrix *mat); |
void path_fill(struct path *p); |
void path_stroke(struct path *p); |
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void path_move_to(struct path *p, float x, float y); |
void path_line_to(struct path *p, float x, float y); |
void path_cubic_to(struct path *p, float px1, float py1, |
float px2, float py2, |
float x, float y); |
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void path_point(struct path *p, VGint startSegment, VGint numSegments, |
VGfloat distance, VGfloat *point, VGfloat *normal); |
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void vg_float_to_datatype(VGPathDatatype datatype, |
VGubyte *common_data, |
const VGfloat *data, |
VGint num_coords); |
#endif |