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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/**
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* @file
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* @brief Unit tests for AnalogTape effect
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* @author Jonathan Thomas <jonathan@openshot.org>
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*/
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#include <QColor>
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#include <QImage>
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#include <memory>
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#include "Frame.h"
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#include "effects/AnalogTape.h"
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#include "openshot_catch.h"
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using namespace openshot;
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static std::shared_ptr<Frame> makeGrayFrame() {
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QImage img(5, 5, QImage::Format_ARGB32);
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img.fill(QColor(100, 100, 100, 255));
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auto f = std::make_shared<Frame>();
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*f->GetImage() = img;
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return f;
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}
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static std::shared_ptr<Frame> makeGrayFrame(int w, int h) {
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QImage img(w, h, QImage::Format_ARGB32);
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img.fill(QColor(100, 100, 100, 255));
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auto f = std::make_shared<Frame>();
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*f->GetImage() = img;
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return f;
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}
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TEST_CASE("AnalogTape modifies frame", "[effect][analogtape]") {
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AnalogTape eff;
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auto frame = makeGrayFrame();
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QColor before = frame->GetImage()->pixelColor(2, 2);
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auto out = eff.GetFrame(frame, 1);
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QColor after = out->GetImage()->pixelColor(2, 2);
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CHECK(after != before);
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}
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TEST_CASE("AnalogTape deterministic per id", "[effect][analogtape]") {
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AnalogTape e1;
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e1.Id("same");
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AnalogTape e2;
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e2.Id("same");
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auto f1 = makeGrayFrame();
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auto f2 = makeGrayFrame();
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auto o1 = e1.GetFrame(f1, 1);
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auto o2 = e2.GetFrame(f2, 1);
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QColor c1 = o1->GetImage()->pixelColor(1, 1);
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QColor c2 = o2->GetImage()->pixelColor(1, 1);
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CHECK(c1 == c2);
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}
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TEST_CASE("AnalogTape seed offset alters output", "[effect][analogtape]") {
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AnalogTape e1;
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e1.Id("seed");
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e1.seed_offset = 0;
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AnalogTape e2;
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e2.Id("seed");
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e2.seed_offset = 5;
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auto f1 = makeGrayFrame();
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auto f2 = makeGrayFrame();
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auto o1 = e1.GetFrame(f1, 1);
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auto o2 = e2.GetFrame(f2, 1);
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QColor c1 = o1->GetImage()->pixelColor(1, 1);
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QColor c2 = o2->GetImage()->pixelColor(1, 1);
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CHECK(c1 != c2);
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}
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TEST_CASE("AnalogTape stripe lifts bottom", "[effect][analogtape]") {
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AnalogTape e;
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e.tracking = Keyframe(0.0);
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e.bleed = Keyframe(0.0);
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e.softness = Keyframe(0.0);
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e.noise = Keyframe(0.0);
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e.stripe = Keyframe(1.0);
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e.staticBands = Keyframe(0.0);
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auto frame = makeGrayFrame(20, 20);
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auto out = e.GetFrame(frame, 1);
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QColor top = out->GetImage()->pixelColor(10, 0);
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QColor bottom = out->GetImage()->pixelColor(10, 19);
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CHECK(bottom.red() > top.red());
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}
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