mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-11-25 18:01:34 +00:00
68 lines
2.4 KiB
C++
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
|