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Jonathan Thomas
14c63f3714
- Clamp and validate Blur, Bars, and Pixelate margin-derived regions - Add regression coverage for collapsed/out-of-range margin cases - Verify focused Bars, Blur, and Pixelate tests pass
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/**
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* @file
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* @brief Unit tests for Blur effect
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*
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* @ref License
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*/
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// Copyright (c) 2008-2026 OpenShot Studios, LLC
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#include "openshot_catch.h"
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#include "Frame.h"
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#include "effects/Blur.h"
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#include <QColor>
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using namespace openshot;
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TEST_CASE("Blur margins limit affected area", "[effect][blur]") {
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auto frame = std::make_shared<Frame>(1, 8, 1, "#000000");
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auto image = frame->GetImage();
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for (int x = 0; x < image->width(); ++x)
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image->setPixelColor(x, 0, (x % 2 == 0) ? QColor(255, 255, 255, 255) : QColor(0, 0, 0, 255));
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Blur effect(Keyframe(1.0), Keyframe(0.0), Keyframe(3.0), Keyframe(1.0),
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Keyframe(0.5), Keyframe(0.0), Keyframe(0.0), Keyframe(0.0));
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auto out = effect.GetFrame(frame, 1);
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auto out_image = out->GetImage();
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CHECK(out_image->pixelColor(0, 0) == QColor(255, 255, 255, 255));
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CHECK(out_image->pixelColor(1, 0) == QColor(0, 0, 0, 255));
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CHECK(out_image->pixelColor(2, 0) == QColor(255, 255, 255, 255));
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CHECK(out_image->pixelColor(3, 0) == QColor(0, 0, 0, 255));
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CHECK(out_image->pixelColor(4, 0).red() < 255);
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CHECK(out_image->pixelColor(4, 0).red() > 0);
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CHECK(out_image->pixelColor(5, 0).red() > 0);
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}
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TEST_CASE("Blur margins handle small affected area", "[effect][blur]") {
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auto frame = std::make_shared<Frame>(1, 8, 8, "#000000");
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auto image = frame->GetImage();
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for (int y = 0; y < image->height(); ++y) {
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for (int x = 0; x < image->width(); ++x) {
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image->setPixelColor(x, y, ((x + y) % 2 == 0)
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? QColor(255, 255, 255, 255)
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: QColor(0, 0, 0, 255));
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}
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}
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Blur effect(Keyframe(6.0), Keyframe(6.0), Keyframe(3.0), Keyframe(1.0),
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Keyframe(0.25), Keyframe(0.25), Keyframe(0.25), Keyframe(0.25));
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REQUIRE_NOTHROW(effect.GetFrame(frame, 1));
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CHECK(image->size() == QSize(8, 8));
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}
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TEST_CASE("Blur margin properties serialize", "[effect][blur][json]") {
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Blur effect(Keyframe(6.0), Keyframe(6.0), Keyframe(3.0), Keyframe(3.0),
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Keyframe(0.1), Keyframe(0.2), Keyframe(0.3), Keyframe(0.4));
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Json::Value json = effect.JsonValue();
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REQUIRE(json["left"].isObject());
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REQUIRE(json["top"].isObject());
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REQUIRE(json["right"].isObject());
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REQUIRE(json["bottom"].isObject());
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Blur copy;
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copy.SetJsonValue(json);
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CHECK(copy.left.GetValue(1) == Approx(0.1));
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CHECK(copy.top.GetValue(1) == Approx(0.2));
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CHECK(copy.right.GetValue(1) == Approx(0.3));
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CHECK(copy.bottom.GetValue(1) == Approx(0.4));
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}
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