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42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
/**
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* @file
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* @brief Unit tests for openshot::Wave effect
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* @author OpenAI ChatGPT
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*/
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// Copyright (c) 2008-2025 OpenShot Studios, LLC
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#include <memory>
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#include <QImage>
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#include <QColor>
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#include "Frame.h"
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#include "effects/Wave.h"
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#include "openshot_catch.h"
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using namespace openshot;
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TEST_CASE("Wave uses original pixel buffer", "[effect][wave]")
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{
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// Create 1x10 image with increasing red channel
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QImage img(10, 1, QImage::Format_ARGB32);
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for (int x = 0; x < 10; ++x)
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img.setPixelColor(x, 0, QColor(x, 0, 0, 255));
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auto f = std::make_shared<Frame>();
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*f->GetImage() = img;
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Wave w;
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w.wavelength = Keyframe(0.0);
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w.amplitude = Keyframe(1.0);
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w.multiplier = Keyframe(0.01);
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w.shift_x = Keyframe(-1.0); // negative shift to copy from previous pixel
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w.speed_y = Keyframe(0.0);
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auto out_img = w.GetFrame(f, 1)->GetImage();
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int expected[10] = {0,0,1,2,3,4,5,6,7,8};
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for (int x = 0; x < 10; ++x)
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CHECK(out_img->pixelColor(x,0).red() == expected[x]);
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}
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