| 1 | /* |
| 2 | * Copyright (c) 2020 - 2023 the ThorVG project. All rights reserved. |
| 3 | |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | |
| 11 | * The above copyright notice and this permission notice shall be included in all |
| 12 | * copies or substantial portions of the Software. |
| 13 | |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <float.h> |
| 24 | #include "tvgFill.h" |
| 25 | |
| 26 | /************************************************************************/ |
| 27 | /* Internal Class Implementation */ |
| 28 | /************************************************************************/ |
| 29 | |
| 30 | struct RadialGradient::Impl |
| 31 | { |
| 32 | float cx = 0; |
| 33 | float cy = 0; |
| 34 | float radius = 0; |
| 35 | |
| 36 | Fill* duplicate() |
| 37 | { |
| 38 | auto ret = RadialGradient::gen(); |
| 39 | if (!ret) return nullptr; |
| 40 | |
| 41 | ret->pImpl->cx = cx; |
| 42 | ret->pImpl->cy = cy; |
| 43 | ret->pImpl->radius = radius; |
| 44 | |
| 45 | return ret.release(); |
| 46 | } |
| 47 | }; |
| 48 | |
| 49 | |
| 50 | /************************************************************************/ |
| 51 | /* External Class Implementation */ |
| 52 | /************************************************************************/ |
| 53 | |
| 54 | RadialGradient::RadialGradient():pImpl(new Impl()) |
| 55 | { |
| 56 | Fill::pImpl->id = TVG_CLASS_ID_RADIAL; |
| 57 | Fill::pImpl->method(new FillDup<RadialGradient::Impl>(pImpl)); |
| 58 | } |
| 59 | |
| 60 | |
| 61 | RadialGradient::~RadialGradient() |
| 62 | { |
| 63 | delete(pImpl); |
| 64 | } |
| 65 | |
| 66 | |
| 67 | Result RadialGradient::radial(float cx, float cy, float radius) noexcept |
| 68 | { |
| 69 | if (radius < 0) return Result::InvalidArguments; |
| 70 | |
| 71 | pImpl->cx = cx; |
| 72 | pImpl->cy = cy; |
| 73 | pImpl->radius = radius; |
| 74 | |
| 75 | return Result::Success; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | Result RadialGradient::radial(float* cx, float* cy, float* radius) const noexcept |
| 80 | { |
| 81 | if (cx) *cx = pImpl->cx; |
| 82 | if (cy) *cy = pImpl->cy; |
| 83 | if (radius) *radius = pImpl->radius; |
| 84 | |
| 85 | return Result::Success; |
| 86 | } |
| 87 | |
| 88 | |
| 89 | unique_ptr<RadialGradient> RadialGradient::gen() noexcept |
| 90 | { |
| 91 | return unique_ptr<RadialGradient>(new RadialGradient); |
| 92 | } |
| 93 | |
| 94 | |
| 95 | uint32_t RadialGradient::identifier() noexcept |
| 96 | { |
| 97 | return TVG_CLASS_ID_RADIAL; |
| 98 | } |
| 99 | |