| Allan MacKinnon | 4359d52 | 2018-06-19 13:57:04 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can |
| 5 | * be found in the LICENSE file. |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | // |
| 12 | // |
| 13 | // |
| 14 | |
| 15 | #include "skc.h" |
| 16 | #include "assert_state.h" |
| 17 | |
| 18 | // |
| 19 | // |
| 20 | // |
| 21 | |
| 22 | typedef enum skc_path_builder_state_e { |
| 23 | |
| 24 | SKC_PATH_BUILDER_STATE_READY, |
| 25 | SKC_PATH_BUILDER_STATE_BUILDING |
| 26 | |
| 27 | } skc_path_builder_state_e; |
| 28 | |
| 29 | // |
| 30 | // FIXME -- we might be able to bury more of this in the impl |
| 31 | // |
| 32 | |
| 33 | struct skc_coords_rem_count_line |
| 34 | { |
| 35 | skc_uint rem; |
| 36 | skc_float * coords[4]; |
| 37 | }; |
| 38 | |
| 39 | struct skc_coords_rem_count_quad |
| 40 | { |
| 41 | skc_uint rem; |
| 42 | skc_float * coords[6]; |
| 43 | }; |
| 44 | |
| 45 | struct skc_coords_rem_count_cubic |
| 46 | { |
| 47 | skc_uint rem; |
| 48 | skc_float * coords[8]; |
| 49 | }; |
| 50 | |
| 51 | // |
| 52 | // |
| 53 | // |
| 54 | |
| 55 | struct skc_path_builder |
| 56 | { |
| 57 | struct skc_context * context; |
| 58 | |
| 59 | struct skc_path_builder_impl * impl; |
| 60 | |
| 61 | void (* begin )(struct skc_path_builder_impl * const impl); |
| 62 | void (* end )(struct skc_path_builder_impl * const impl, skc_path_t * const path); |
| 63 | void (* new_line )(struct skc_path_builder_impl * const impl); |
| 64 | void (* new_quad )(struct skc_path_builder_impl * const impl); |
| 65 | void (* new_cubic)(struct skc_path_builder_impl * const impl); |
| 66 | void (* release )(struct skc_path_builder_impl * const impl); |
| 67 | |
| 68 | struct skc_coords_rem_count_line line; |
| 69 | struct skc_coords_rem_count_quad quad; |
| 70 | struct skc_coords_rem_count_cubic cubic; |
| 71 | |
| 72 | struct { |
| 73 | float x; |
| 74 | float y; |
| 75 | } curr[2]; |
| 76 | |
| 77 | skc_uint refcount; |
| 78 | |
| 79 | SKC_ASSERT_STATE_DECLARE(skc_path_builder_state_e); |
| 80 | }; |
| 81 | |
| 82 | // |
| 83 | // |
| 84 | // |
| 85 | |