mirror of
https://github.com/thorvg/thorvg.git
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73 lines
No EOL
2.4 KiB
C++
73 lines
No EOL
2.4 KiB
C++
/*
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* Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "tvgMath.h"
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#include "tvgRender.h"
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/************************************************************************/
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/* Internal Class Implementation */
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/************************************************************************/
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/************************************************************************/
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/* External Class Implementation */
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/************************************************************************/
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void RenderTransform::override(const Matrix& m)
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{
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this->m = m;
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if (m.e11 == 0.0f && m.e12 == 0.0f && m.e13 == 0.0f &&
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m.e21 == 0.0f && m.e22 == 0.0f && m.e23 == 0.0f &&
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m.e31 == 0.0f && m.e32 == 0.0f && m.e33 == 0.0f) {
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overriding = false;
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} else overriding = true;
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}
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bool RenderTransform::update()
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{
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if (overriding) return true;
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//Init Status
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if (mathZero(x) && mathZero(y) && mathZero(degree) && mathEqual(scale, 1)) return false;
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mathIdentity(&m);
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mathScale(&m, scale);
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if (!mathZero(degree)) mathRotate(&m, degree);
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mathTranslate(&m, x, y);
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return true;
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}
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RenderTransform::RenderTransform()
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{
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}
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RenderTransform::RenderTransform(const RenderTransform* lhs, const RenderTransform* rhs)
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{
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m = mathMultiply(&lhs->m, &rhs->m);
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} |