1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 VMware, Inc. All Rights Reserved. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef _PATH_H 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define _PATH_H 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "VG/openvg.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct path; 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct polygon; 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct matrix; 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgenum fill_rule { 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ODD_EVEN_FILL, 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org WINDING_FILL 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct path_for_each_data { 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGubyte segment; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* all coords are absolute, even if segment is relative */ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const VGfloat *coords; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGfloat sx, sy, ox, oy, px, py; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *user_data; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtypedef VGboolean (*path_for_each_cb)(struct path *p, 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct path_for_each_data *data); 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct path *path_create(VGPathDatatype dt, VGfloat scale, VGfloat bias, 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint segmentCapacityHint, 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint coordCapacityHint, 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGbitfield capabilities); 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_destroy(struct path *p); 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGbitfield path_capabilities(struct path *p); 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_set_capabilities(struct path *p, VGbitfield bf); 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_append_data(struct path *p, 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint numSegments, 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const VGubyte * pathSegments, 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void * pathData); 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_append_path(struct path *dst, 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct path *src); 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGint path_num_segments(struct path *p); 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_bounding_rect(struct path *p, float *x, float *y, 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org float *w, float *h); 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgfloat path_length(struct path *p, int start_segment, int num_segments); 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_set_fill_rule(enum fill_rule fill); 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgenum fill_rule path_fill_rule(enum fill_rule fill); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGboolean path_is_empty(struct path *p); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGbyte path_datatype_size(struct path *p); 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGPathDatatype path_datatype(struct path *p); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGfloat path_scale(struct path *p); 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGfloat path_bias(struct path *p); 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGint path_num_coords(struct path *p); 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_modify_coords(struct path *p, 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint startIndex, 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint numSegments, 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void * pathData); 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct path *path_create_stroke(struct path *p, 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct matrix *m); 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_for_each_segment(struct path *path, 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org path_for_each_cb cb, 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *user_data); 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_transform(struct path *dst, struct path *src); 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVGboolean path_interpolate(struct path *dst, 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct path *start, struct path *end, 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGfloat amount); 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_clear(struct path *p, VGbitfield capabilities); 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_render(struct path *p, VGbitfield paintModes, struct matrix *mat); 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_fill(struct path *p); 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_stroke(struct path *p); 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_move_to(struct path *p, float x, float y); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_line_to(struct path *p, float x, float y); 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_cubic_to(struct path *p, float px1, float py1, 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org float px2, float py2, 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org float x, float y); 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid path_point(struct path *p, VGint startSegment, VGint numSegments, 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGfloat distance, VGfloat *point, VGfloat *normal); 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid vg_float_to_datatype(VGPathDatatype datatype, 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGubyte *common_data, 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const VGfloat *data, 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VGint num_coords); 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 127