OmaPhoto 1.0.0: the Linux port of Compositor
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
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#include "ContentView.h"
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#include "UI/LayerAppearanceControls.h"
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#include "UI/LayersPanel.h"
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#include "UI/NativeLayerList.h"
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#include <QLabel>
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#include <QSettings>
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#include <QStackedWidget>
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#include <QToolButton>
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#include <QtTest>
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#include "SessionFixtures.h"
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// The Layers panel: heading, rows or empty words, footer, width.
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namespace {
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template <typename Widget> Widget &find(QWidget &root, const char *name)
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{
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Widget *found = root.findChild<Widget *>(QString::fromLatin1(name));
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if (!found)
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throw std::runtime_error(std::string("no widget named ") + name);
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return *found;
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}
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void drag(QWidget &edge, int fromX, int toX)
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{
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const QPoint start(fromX, 20), end(toX, 20);
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QTest::mousePress(&edge, Qt::LeftButton, Qt::NoModifier, start);
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QMouseEvent move(QEvent::MouseMove, QPointF(end), edge.mapToGlobal(end), Qt::NoButton, Qt::LeftButton, Qt::NoModifier);
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QApplication::sendEvent(&edge, &move);
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QTest::mouseRelease(&edge, Qt::LeftButton, Qt::NoModifier, end);
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}
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}
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class LayersPanelTests : public QObject {
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Q_OBJECT
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private slots:
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void initTestCase();
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void init();
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void theHeadingCountsAndTheEmptyWordsFollowTheDocument();
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void theFooterAddsGroupsAndDeletesWithSwiftsWords();
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void theEdgeResizesThePanelWithinRangeAndRemembersIt();
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void aStoredWidthOutOfRangeIsTheDefault();
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void theMaskButtonUsesTheSelection();
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};
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void LayersPanelTests::initTestCase()
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{
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// Settings land in ~/.qttest, not the user's own.
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QStandardPaths::setTestModeEnabled(true);
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}
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void LayersPanelTests::init()
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{
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QSettings().remove(QStringLiteral("layersPanelWidth"));
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}
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void LayersPanelTests::theHeadingCountsAndTheEmptyWordsFollowTheDocument()
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{
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EditorSession session;
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LayersPanel panel(session);
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panel.show();
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QVERIFY(QTest::qWaitForWindowExposed(&panel));
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auto &count = find<QLabel>(panel, "layerCount");
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auto &hint = find<QLabel>(panel, "noLayersHint");
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auto &body = find<QStackedWidget>(panel, "layersBody");
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QCOMPARE(count.text(), QString("0"));
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QCOMPARE(hint.text(), QString("Create a canvas or import an image."));
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QVERIFY(!panel.list().isVisible());
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session.createDocument(200, 100);
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QCOMPARE(hint.text(), QString("Import an image or add a blank layer."));
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QCOMPARE(body.currentIndex(), 1);
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session.addBlankLayer();
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session.addBlankLayer();
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QCOMPARE(count.text(), QString("2"));
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QCOMPARE(body.currentIndex(), 0);
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QVERIFY(panel.list().isVisible());
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QCOMPARE(panel.list().cells().size(), size_t(2));
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session.deleteSelectedLayers();
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session.deleteSelectedLayers();
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QCOMPARE(count.text(), QString("0"));
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QCOMPARE(body.currentIndex(), 1);
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// The appearance controls sit above the rows.
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QVERIFY(panel.findChild<LayerAppearanceControls *>() != nullptr);
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QVERIFY(panel.findChild<LayerAppearanceControls *>()->y() < body.y());
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}
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void LayersPanelTests::theFooterAddsGroupsAndDeletesWithSwiftsWords()
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{
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EditorSession session;
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LayersPanel panel(session);
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panel.show();
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QVERIFY(QTest::qWaitForWindowExposed(&panel));
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auto &add = find<QToolButton>(panel, "addBlankLayer");
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auto &group = find<QToolButton>(panel, "groupLayers");
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auto &remove = find<QToolButton>(panel, "deleteLayer");
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auto &mask = find<QToolButton>(panel, "addLayerMask");
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QCOMPARE(add.toolTip(), QString("New blank layer (Ctrl+Shift+N)"));
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QVERIFY(!add.isEnabled() && !group.isEnabled() && !remove.isEnabled() && !mask.isEnabled());
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session.createDocument(200, 100);
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QVERIFY(add.isEnabled() && group.isEnabled() && !remove.isEnabled());
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QTest::mouseClick(&add, Qt::LeftButton);
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QTest::mouseClick(&add, Qt::LeftButton);
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QCOMPARE(session.document().value().layers.size(), size_t(2));
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QVERIFY(remove.isEnabled() && mask.isEnabled());
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QCOMPARE(remove.toolTip(), QString("Delete selected layer"));
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QCOMPARE(remove.accessibleName(), QString("Delete selected layer"));
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// With a mask selected, Delete takes the mask first.
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QTest::mouseClick(&mask, Qt::LeftButton);
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QVERIFY(session.activeLayer().value().mask.has_value() && session.isMaskSelected());
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QCOMPARE(remove.toolTip(), QString("Delete layer mask"));
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QTest::mouseClick(&remove, Qt::LeftButton);
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QVERIFY(!session.activeLayer().value().mask.has_value());
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QCOMPARE(session.document().value().layers.size(), size_t(2));
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// A multi-selection deletes as one step, and says so.
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const QUuid top = session.document().value().layers.back().id, bottom = session.document().value().layers.front().id;
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session.selectLayers({top, bottom}, top);
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QCOMPARE(remove.toolTip(), QString("Delete selected layers"));
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QTest::mouseClick(&remove, Qt::LeftButton);
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QVERIFY(session.document().value().layers.empty());
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QCOMPARE(session.history.undoName(), QString("Delete Layers"));
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// A folder from the footer, around the selection.
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session.addBlankLayer();
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QTest::mouseClick(&group, Qt::LeftButton);
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QCOMPARE(session.document().value().layers.size(), size_t(2));
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QVERIFY(session.activeLayer().value().isGroup);
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// Busy, the footer waits.
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session.setIsProjectBusy(true);
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QVERIFY(!add.isEnabled() && !group.isEnabled() && !remove.isEnabled() && !mask.isEnabled());
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}
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void LayersPanelTests::theEdgeResizesThePanelWithinRangeAndRemembersIt()
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{
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EditorSession session;
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session.createDocument(200, 100);
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ContentView view(session);
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view.resize(1100, 600);
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view.show();
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QVERIFY(QTest::qWaitForWindowExposed(&view));
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auto &edge = find<QWidget>(view, "layersPanelEdge");
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LayersPanel &panel = view.layersPanel();
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QCOMPARE(panel.width(), 252);
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QCOMPARE(edge.width(), 8);
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QCOMPARE(edge.cursor().shape(), Qt::SplitHCursor);
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QCOMPARE(edge.toolTip(), QString("Drag to resize the panel"));
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// The panel sits at the right, past the edge.
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QCOMPARE(panel.x(), edge.x() + edge.width());
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QCOMPARE(panel.x() + panel.width(), view.width());
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drag(edge, 4, -36);
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QCOMPARE(panel.width(), 292);
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QCOMPARE(QSettings().value("layersPanelWidth").toDouble(), 292.0);
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// Past the range, the panel stops at its bounds.
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drag(edge, 4, -300);
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QCOMPARE(panel.width(), int(LayersPanel::maximumWidth));
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drag(edge, 4, 400);
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QCOMPARE(panel.width(), int(LayersPanel::minimumWidth));
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QCOMPARE(QSettings().value("layersPanelWidth").toDouble(), LayersPanel::minimumWidth);
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// A right-button drag after the left one moves nothing.
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QTest::mousePress(&edge, Qt::RightButton, Qt::NoModifier, QPoint(4, 20));
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QMouseEvent move(QEvent::MouseMove, QPointF(-50, 20), edge.mapToGlobal(QPoint(-50, 20)), Qt::NoButton, Qt::RightButton, Qt::NoModifier);
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QApplication::sendEvent(&edge, &move);
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QTest::mouseRelease(&edge, Qt::RightButton, Qt::NoModifier, QPoint(-50, 20));
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QCOMPARE(panel.width(), int(LayersPanel::minimumWidth));
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// The next editor starts at the remembered width.
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ContentView next(session);
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QCOMPARE(next.layersPanel().width(), int(LayersPanel::minimumWidth));
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}
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void LayersPanelTests::aStoredWidthOutOfRangeIsTheDefault()
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{
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QSettings().setValue(QStringLiteral("layersPanelWidth"), 9000);
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QTest::ignoreMessage(QtWarningMsg, QRegularExpression("layersPanelWidth 9000 is out of range, using 252"));
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QCOMPARE(ContentView::layersPanelWidth(), 252.0);
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QSettings().setValue(QStringLiteral("layersPanelWidth"), QStringLiteral("wide"));
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QTest::ignoreMessage(QtWarningMsg, QRegularExpression("layersPanelWidth 0 is out of range, using 252"));
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QCOMPARE(ContentView::layersPanelWidth(), 252.0);
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}
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QTEST_MAIN(LayersPanelTests)
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#include "LayersPanelTests.moc"
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void LayersPanelTests::theMaskButtonUsesTheSelection()
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{
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EditorSession session;
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session.createDocument(100, 40, true);
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QImage image(100, 40, QImage::Format_RGBA8888_Premultiplied);
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image.fill(Qt::red);
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session.insert(ImportedImage(image, image, "Red"));
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LayersPanel panel(session);
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panel.show();
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QVERIFY(QTest::qWaitForWindowExposed(&panel));
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auto &mask = find<QToolButton>(panel, "addLayerMask");
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QCOMPARE(mask.toolTip(), QString("Add layer mask"));
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QPainterPath box;
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box.addRect(QRectF(20, 10, 30, 20));
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session.applySelection(box, SelectionMode::replace, "Select");
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QCOMPARE(mask.toolTip(), QString("Add layer mask (the selection becomes black)"));
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QTest::mouseClick(&mask, Qt::LeftButton);
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QCOMPARE(session.history.undoName(), QString("Add Mask from Selection"));
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QVERIFY(!session.selection().has_value() && session.isMaskSelected() && !mask.isEnabled());
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QCOMPARE(int(session.activeLayer().value().mask.value().asset.image().constScanLine(20)[30]), 0);
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QCOMPARE(int(session.activeLayer().value().mask.value().asset.image().constScanLine(5)[5]), 255);
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// The row's menu: black shows only the selection.
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session.undo();
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QVERIFY(session.selection().has_value());
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QAction *black = nullptr;
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for (QAction *action : panel.list().cells().at(0)->actions()) {
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if (action->objectName() == "addBlackMask")
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black = action;
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}
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QVERIFY(black);
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black->trigger();
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QCOMPARE(session.history.undoName(), QString("Add Mask from Selection"));
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QCOMPARE(int(session.activeLayer().value().mask.value().asset.image().constScanLine(20)[30]), 255);
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QCOMPARE(int(session.activeLayer().value().mask.value().asset.image().constScanLine(5)[5]), 0);
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}
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