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ChromaKey: Minimal unit testing

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FeRD (Frank Dana)
2021-09-11 22:42:59 -04:00
parent 21597c8a43
commit ed1c4f4bca
2 changed files with 87 additions and 0 deletions
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2
tests/CMakeLists.txt
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@@ -64,6 +64,8 @@ set(OPENSHOT_TESTS
ReaderBase
Settings
Timeline
# Effects
ChromaKey
)
# ImageMagick related test files

85
tests/ChromaKey.cpp Normal file
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@@ -0,0 +1,85 @@
/**
* @file
* @brief Unit tests for openshot::ChromaKey effect
* @author Jonathan Thomas <jonathan@openshot.org>
* @author FeRD (Frank Dana) <ferdnyc@gmail.com>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2021 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sstream>
#include <memory>
#include <catch2/catch.hpp>
#include "Frame.h"
#include "effects/ChromaKey.h"
#include <QColor>
#include <QImage>
using namespace openshot;
TEST_CASE( "basic keying", "[libopenshot][effect][chromakey]" )
{
// solid green frame
auto f = std::make_shared<openshot::Frame>(1, 1280, 720, "#00ff00");
// Create a ChromaKey effect to key on solid green ± 5 values
openshot::Color key(0, 255, 0, 255);
openshot::Keyframe fuzz(5);
openshot::ChromaKey e(key, fuzz);
auto f_out = e.GetFrame(f, 1);
std::shared_ptr<QImage> i = f_out->GetImage();
// Check color fill (should be transparent)
QColor pix = i->pixelColor(10, 10);
CHECK(pix.red() == 0);
CHECK(pix.green() == 0);
CHECK(pix.blue() == 0);
CHECK(pix.alpha() == 0);
}
TEST_CASE( "threshold", "[libopenshot][effect][chromakey]" )
{
auto frame = std::make_shared<openshot::Frame>(1, 1280, 720, "#00cc00");
// Create a ChromaKey effect to key on solid green ± 5 values
openshot::Color key(0, 255, 0, 255);
openshot::Keyframe fuzz(5);
openshot::ChromaKey e(key, fuzz);
auto frame_out = e.GetFrame(frame, 1);
std::shared_ptr<QImage> i = frame_out->GetImage();
// Output should be the same, no ChromaKey
QColor pix_e = i->pixelColor(10, 10);
CHECK(pix_e.red() == 0);
CHECK(pix_e.green() == 204);
CHECK(pix_e.blue() == 0);
CHECK(pix_e.alpha() == 255);
}