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matterbridge/vendor/github.com/Benau/go_rlottie/vector_vpathmesure.cpp
Benau 53cafa9f3d
Convert .tgs with go libraries (and cgo) (telegram) (#1569)
This commit adds support for go/cgo tgs conversion when building with the -tags `cgo`
The default binaries are still "pure" go and uses the old way of converting.

* Move lottie_convert.py conversion code to its own file

* Add optional libtgsconverter

* Update vendor

* Apply suggestions from code review

* Update bridge/helper/libtgsconverter.go

Co-authored-by: Wim <wim@42.be>
2021-08-24 22:32:50 +02:00

68 lines
2.4 KiB
C++

/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "vector_vpathmesure.h"
#include <limits>
#include "vector_vbezier.h"
#include "vector_vdasher.h"
V_BEGIN_NAMESPACE
/*
* start and end value must be normalized to [0 - 1]
* Path mesure trims the path from [start --> end]
* if start > end it treates as a loop and trims as two segment
* [0-->end] and [start --> 1]
*/
VPath VPathMesure::trim(const VPath &path)
{
if (vCompare(mStart, mEnd)) return VPath();
if ((vCompare(mStart, 0.0f) && (vCompare(mEnd, 1.0f))) ||
(vCompare(mStart, 1.0f) && (vCompare(mEnd, 0.0f))))
return path;
float length = path.length();
if (mStart < mEnd) {
float array[4] = {
0.0f, length * mStart, // 1st segment
(mEnd - mStart) * length,
std::numeric_limits<float>::max(), // 2nd segment
};
VDasher dasher(array, 4);
dasher.dashed(path, mScratchObject);
return mScratchObject;
} else {
float array[4] = {
length * mEnd, (mStart - mEnd) * length, // 1st segment
(1 - mStart) * length,
std::numeric_limits<float>::max(), // 2nd segment
};
VDasher dasher(array, 4);
dasher.dashed(path, mScratchObject);
return mScratchObject;
}
}
V_END_NAMESPACE