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/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2020 by The qTox Project Contributors
* Copyright © 2024-2025 The TokTok team.
*/
#include "src/model/exiftransform.h"
#include <QPainter>
#include <QTest>
namespace {
const auto rowColor = QColor(Qt::green).rgb();
const auto colColor = QColor(Qt::blue).rgb();
enum class Side
{
top,
bottom,
left,
right
};
QPoint getPosition(Side side)
{
int x;
int y;
switch (side) {
case Side::top: {
x = 1;
y = 0;
break;
}
case Side::bottom: {
x = 1;
y = 2;
break;
}
case Side::left: {
x = 0;
y = 1;
break;
}
case Side::right: {
x = 2;
y = 1;
break;
}
}
return {x, y};
}
QRgb getColor(const QImage& image, Side side)
{
return image.pixel(getPosition(side));
}
} // namespace
class TestExifTransform : public QObject
{
Q_OBJECT
private slots:
void init();
void testTopLeft();
void testTopRight();
void testBottomRight();
void testBottomLeft();
void testLeftTop();
void testRightTop();
void testRightBottom();
void testLeftBottom();
void testInputTooShort();
private:
QImage inputImage;
};
void TestExifTransform::init()
{
inputImage = QImage(QSize(3, 3), QImage::Format_RGB32);
QPainter painter(&inputImage);
painter.fillRect(QRect(0, 0, 3, 3), Qt::white);
// First row has a green dot in the middle
painter.setPen(rowColor);
painter.drawPoint(getPosition(Side::top));
// First column has a blue dot in the middle
painter.setPen(colColor);
painter.drawPoint(getPosition(Side::left));
}
void TestExifTransform::testTopLeft()
{
auto image = ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::TopLeft);
QVERIFY(getColor(image, Side::top) == rowColor);
QVERIFY(getColor(image, Side::left) == colColor);
}
void TestExifTransform::testTopRight()
{
auto image = ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::TopRight);
QVERIFY(getColor(image, Side::top) == rowColor);
QVERIFY(getColor(image, Side::right) == colColor);
}
void TestExifTransform::testBottomRight()
{
auto image =
ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::BottomRight);
QVERIFY(getColor(image, Side::bottom) == rowColor);
QVERIFY(getColor(image, Side::right) == colColor);
}
void TestExifTransform::testBottomLeft()
{
auto image =
ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::BottomLeft);
QVERIFY(getColor(image, Side::bottom) == rowColor);
QVERIFY(getColor(image, Side::left) == colColor);
}
void TestExifTransform::testLeftTop()
{
auto image = ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::LeftTop);
QVERIFY(getColor(image, Side::left) == rowColor);
QVERIFY(getColor(image, Side::top) == colColor);
}
void TestExifTransform::testRightTop()
{
auto image = ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::RightTop);
QVERIFY(getColor(image, Side::right) == rowColor);
QVERIFY(getColor(image, Side::top) == colColor);
}
void TestExifTransform::testRightBottom()
{
auto image =
ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::RightBottom);
QVERIFY(getColor(image, Side::right) == rowColor);
QVERIFY(getColor(image, Side::bottom) == colColor);
}
void TestExifTransform::testLeftBottom()
{
auto image =
ExifTransform::applyTransformation(inputImage, ExifTransform::Orientation::LeftBottom);
QVERIFY(getColor(image, Side::left) == rowColor);
QVERIFY(getColor(image, Side::bottom) == colColor);
}
void TestExifTransform::testInputTooShort()
{
const QByteArray garbage = QByteArray::fromBase64(
"AEV4aWYAAE1NACoAAAAA0v///7p6h2kAaWYAAAAAAABNeGlmAABRMAAjGEQAAAAAAAAAQAAAAAAA"
"/////////////////wEBASMBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBARIAAQAAAAEB"
"AAABAAEBAQEjAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEAAAEBAADCwsLCwsLCwsLCwsLCwsLCwsLC"
"wsLCAQEBAQEBAQEBAQEBAQAAAQEAAAABAAEBAQEjAQEBAAAAAAAAAAD/////////////////BgD/"
"/////wAAAQABAQEBIwEBAQEjAQEB/////wEBAQEBAQEBAQEBAQEBAQEB");
ExifTransform::getOrientation(garbage.mid(1));
}
QTEST_APPLESS_MAIN(TestExifTransform)
#include "exiftransform_test.moc"
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