375 lines
16 KiB
C++
375 lines
16 KiB
C++
#include "Document/EditorSession.h"
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#include "Rendering/NavigatorGeometry.h"
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#include "SessionFixtures.h"
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#include "UI/NavigatorMinimap.h"
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#include <QSettings>
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#include <QStandardPaths>
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#include <QtTest>
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// Swift 1.4.9's Navigator: the geometry, the picture, the minimap.
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class NavigatorTests : 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 documentFitsTheBoxCentered();
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void visibleRectFollowsZoomAndPan();
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void centeringKeepsZoomAndStopsFollowingFit();
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void pictureFitsTheLongerSideAndShowsTheComposite();
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void smallDocumentsAreNotEnlarged();
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void minimapFitsTheDocument();
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void hugeDocumentsWithAdjustmentsStillShow();
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void blursShrinkWithThePicture();
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void selectionChangesDoNotRedrawThePicture();
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void placedMasksMotionAndEachAxisScale();
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void editsInProgressStayOut();
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void theMinimapShowsFrom300PercentWhenTurnedOn();
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void thePictureRedrawsOnceEditsSettle();
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void aClickOrDragMovesTheView();
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void theViewsBoxIsDrawnInTheAccent();
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};
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namespace {
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ImportedImage red(int width, int height)
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{
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QImage image(width, height, QImage::Format_RGBA8888_Premultiplied);
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image.fill(Qt::red);
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return ImportedImage(image, image, QStringLiteral("Red"));
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}
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// A 400 by 300 document, viewed 800 by 600.
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CanvasViewport viewport()
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{
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CanvasViewport viewport;
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viewport.resize(QSizeF(800, 600), 1, QSizeF(400, 300));
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return viewport;
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}
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QColor at(const QImage &image, int x, int y)
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{
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return image.pixelColor(x, y);
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}
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// A red layer of `size` at the origin.
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QUuid placeRed(EditorSession &session, QSize pixels, QSizeF size)
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{
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session.insert(red(pixels.width(), pixels.height()));
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const QUuid id = session.activeLayerID().value();
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rewrite(session, [&](ProjectSnapshot &snapshot) {
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record(snapshot, id).transform.origin = QPointF(0, 0);
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record(snapshot, id).transform.size = size;
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});
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session.selectLayer(id);
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return id;
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}
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struct Shown {
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EditorSession session;
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NavigatorMinimap minimap{session};
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Shown()
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{
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NavigatorMinimap::setVisibleSetting(true);
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session.createDocument(400, 300);
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placeRed(session, QSize(400, 300), QSizeF(400, 300));
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session.viewport.resize(QSizeF(800, 600), 1, QSizeF(400, 300));
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session.zoom(4, session.viewport.center());
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}
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};
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}
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void NavigatorTests::initTestCase()
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{
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QStandardPaths::setTestModeEnabled(true);
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QSettings().clear();
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}
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void NavigatorTests::documentFitsTheBoxCentered()
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{
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const NavigatorGeometry geometry{QSizeF(400, 200), QSizeF(200, 200)};
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QCOMPARE(geometry.imageRect(), QRectF(0, 50, 200, 100));
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QCOMPARE(geometry.thumbnailRect(QRectF(100, 50, 200, 100)), QRectF(50, 75, 100, 50));
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QCOMPARE(geometry.documentPoint(QPointF(100, 100)), QPointF(200, 100));
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// Points outside the picture land on the document's edge.
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QCOMPARE(geometry.documentPoint(QPointF(-20, 199)), QPointF(0, 200));
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QCOMPARE((NavigatorGeometry{QSizeF(0, 0), QSizeF(10, 10)}.imageRect()), QRectF());
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QCOMPARE((NavigatorGeometry{QSizeF(0, 0), QSizeF(10, 10)}.documentPoint(QPointF(5, 5))), QPointF());
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QCOMPARE((NavigatorGeometry{QSizeF(10, 10), QSizeF(0, 10)}.imageRect()), QRectF());
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QCOMPARE((NavigatorGeometry{QSizeF(10, 0), QSizeF(10, 10)}.imageRect()), QRectF());
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QCOMPARE((NavigatorGeometry{QSizeF(0, 10), QSizeF(10, 10)}.thumbnailRect(QRectF(1, 1, 2, 2))), QRectF());
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QCOMPARE((NavigatorGeometry{QSizeF(0, 10), QSizeF(10, 10)}.documentPoint(QPointF(5, 5))), QPointF());
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}
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void NavigatorTests::visibleRectFollowsZoomAndPan()
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{
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const QSizeF size(400, 300);
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CanvasViewport view = viewport();
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view.setZoom(4, view.center(), size);
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const QRectF visible = view.visibleDocumentRect(size);
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QVERIFY(std::abs(visible.width() - 200) < 0.001 && std::abs(visible.height() - 150) < 0.001);
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QVERIFY(std::abs(visible.center().x() - 200) < 0.001 && std::abs(visible.center().y() - 150) < 0.001);
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// Panned by 40 points: 10 pixels across at 4×.
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view.translate(QSizeF(40, -80));
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QVERIFY(std::abs(view.visibleDocumentRect(size).center().x() - 190) < 0.001 && std::abs(view.visibleDocumentRect(size).center().y() - 170) < 0.001);
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}
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void NavigatorTests::centeringKeepsZoomAndStopsFollowingFit()
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{
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const QSizeF size(400, 300);
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CanvasViewport view = viewport();
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const double zoom = view.zoom();
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view.centerView(QPointF(50, 60), size);
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const QRectF visible = view.visibleDocumentRect(size);
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QVERIFY(std::abs(visible.center().x() - 50) < 0.001 && std::abs(visible.center().y() - 60) < 0.001);
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QCOMPARE(view.zoom(), zoom);
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QVERIFY(!view.followsFit());
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// A later window resize keeps the view where it was.
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view.resize(QSizeF(1000, 700), 1, size);
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QCOMPARE(view.zoom(), zoom);
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}
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void NavigatorTests::pictureFitsTheLongerSideAndShowsTheComposite()
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{
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EditorSession session;
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QVERIFY(!session.navigatorImage(100));
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session.createDocument(400, 200);
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QVERIFY(!session.navigatorImage(0));
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placeRed(session, QSize(200, 200), QSizeF(200, 200));
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const QImage picture = session.navigatorImage(100).value();
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QCOMPARE(picture.size(), QSize(100, 50));
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QCOMPARE(at(picture, 25, 25), QColor(255, 0, 0));
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QCOMPARE(at(picture, 75, 25).alpha(), 0);
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// Adjustment layers apply, as on the canvas.
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session.addAdjustment(AdjustmentKind::invert);
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QCOMPARE(at(session.navigatorImage(100).value(), 25, 25), QColor(0, 255, 255));
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}
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void NavigatorTests::smallDocumentsAreNotEnlarged()
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{
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EditorSession session;
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session.createDocument(40, 30);
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QCOMPARE(session.navigatorImage(900).value().size(), QSize(40, 30));
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// Each side rounded, a pixel at least.
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session.createDocument(1000, 3);
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QCOMPARE(session.navigatorImage(100).value().size(), QSize(100, 1));
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session.createDocument(1000, 15);
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QCOMPARE(session.navigatorImage(100).value().size(), QSize(100, 2));
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}
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void NavigatorTests::minimapFitsTheDocument()
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{
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QCOMPARE(NavigatorMinimap::sizeFor(QSizeF(4000, 3000)), QSizeF(120, 90));
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QCOMPARE(NavigatorMinimap::sizeFor(QSizeF(6000, 2000)), QSizeF(126, 42));
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QCOMPARE(NavigatorMinimap::sizeFor(QSizeF(1000, 999)), QSizeF(90, 90));
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// 125.7 rounds up.
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QCOMPARE(NavigatorMinimap::sizeFor(QSizeF(1000, 716)), QSizeF(126, 90));
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QCOMPARE(NavigatorMinimap::sizeFor(QSizeF(0, 0)), QSizeF(0, 0));
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}
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// Past one surface, drawn at the picture's size, it shows.
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void NavigatorTests::hugeDocumentsWithAdjustmentsStillShow()
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{
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EditorSession session;
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session.createDocument(20'000, 12'000);
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placeRed(session, QSize(200, 120), QSizeF(20'000, 12'000));
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session.addAdjustment(AdjustmentKind::invert);
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const QImage picture = session.navigatorImage(100).value();
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QCOMPARE(picture.size(), QSize(100, 60));
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QCOMPARE(at(picture, 50, 30), QColor(0, 255, 255));
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}
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void NavigatorTests::blursShrinkWithThePicture()
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{
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EditorSession session;
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session.createDocument(2000, 2000);
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placeRed(session, QSize(100, 200), QSizeF(1000, 2000));
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session.addAdjustment(AdjustmentKind::gaussianBlur);
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session.setAdjustmentEditingID(std::nullopt);
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const QUuid blur = session.activeLayerID().value();
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LayerAdjustment adjustment = layerWith(session, blur).adjustment.value();
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adjustment.blurRadius = 100;
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session.updateAdjustment(blur, adjustment);
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const QImage picture = session.navigatorImage(100).value();
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// Five radii from every edge at the picture's scale: solid.
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QVERIFY2(at(picture, 25, 50).alpha() >= 250, qPrintable(QString::number(at(picture, 25, 50).alpha())));
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// Unshrunk, a radius of 100 would reach the edge here.
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QVERIFY(at(picture, 49, 50).alpha() > 0 && at(picture, 49, 50).alpha() < 250);
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}
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void NavigatorTests::selectionChangesDoNotRedrawThePicture()
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{
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EditorSession session;
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session.createDocument(100, 100);
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placeRed(session, QSize(10, 10), QSizeF(10, 10));
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const NavigatorMinimap::RenderKey key(session.document(), 0);
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session.selectAll();
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QVERIFY(NavigatorMinimap::RenderKey(session.document(), 0) == key);
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QVERIFY(!(NavigatorMinimap::RenderKey(session.document(), 1) == key));
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std::optional<CanvasDocument> hidden = session.document();
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hidden->layers.back().isVisible = false;
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QVERIFY(!(NavigatorMinimap::RenderKey(hidden, 0) == key));
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std::optional<CanvasDocument> other = session.document();
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other->id = QUuid::createUuid();
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QVERIFY(!(NavigatorMinimap::RenderKey(other, 0) == key));
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}
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void NavigatorTests::placedMasksMotionAndEachAxisScale()
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{
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// A placed mask shrinks with its layer: white, then black.
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EditorSession session;
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session.createDocument(400, 200);
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const QUuid id = placeRed(session, QSize(300, 200), QSizeF(300, 200));
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QImage halves(4, 1, QImage::Format_Grayscale8);
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const uchar values[] = {255, 255, 0, 0};
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std::copy_n(values, 4, halves.scanLine(0));
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rewrite(session, [&](ProjectSnapshot &snapshot) {
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setMask(snapshot, id, LayerMask::assetFrom(halves));
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record(snapshot, id).maskPlacement = LayerTransform{.origin = QPointF(0, 0), .size = QSizeF(200, 200)};
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});
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const QImage masked = session.navigatorImage(100).value();
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// At a quarter: white to 25, black to 50.
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QVERIFY(at(masked, 15, 25).alpha() == 255 && at(masked, 40, 25).alpha() == 0);
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// Each side alone: 1000 by 15 is 100 by 2.
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session.createDocument(1000, 15);
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placeRed(session, QSize(1000, 15), QSizeF(1000, 15));
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// The halving softens the last row; half would show half.
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const int bottom = at(session.navigatorImage(100).value(), 50, 1).alpha();
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QVERIFY2(bottom > 200, qPrintable(QString::number(bottom)));
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// A streak measured in document pixels shrinks too.
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session.createDocument(2000, 2000);
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placeRed(session, QSize(100, 200), QSizeF(1000, 2000));
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session.addAdjustment(AdjustmentKind::motionBlur);
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session.setAdjustmentEditingID(std::nullopt);
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const QUuid streak = session.activeLayerID().value();
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LayerAdjustment adjustment = layerWith(session, streak).adjustment.value();
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adjustment.motionAngle = 0;
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adjustment.motionDistance = 100;
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session.updateAdjustment(streak, adjustment);
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const QImage picture = session.navigatorImage(100).value();
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QVERIFY2(at(picture, 25, 50).alpha() >= 250, qPrintable(QString::number(at(picture, 25, 50).alpha())));
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}
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// Swift draws a bare session: a pending transform stays out.
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void NavigatorTests::editsInProgressStayOut()
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{
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EditorSession session;
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session.createDocument(400, 200);
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placeRed(session, QSize(200, 200), QSizeF(200, 200));
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session.selectTool(NavigationTool::move);
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session.beginTransform();
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LayerTransform moved = session.transformEdit().value().draft;
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moved.origin = QPointF(200, 0);
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session.previewTransform(moved);
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const QImage picture = session.navigatorImage(100).value();
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QVERIFY(at(picture, 25, 25).alpha() == 255 && at(picture, 75, 25).alpha() == 0);
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}
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void NavigatorTests::theMinimapShowsFrom300PercentWhenTurnedOn()
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{
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NavigatorMinimap::setVisibleSetting(false);
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QCOMPARE(QSettings().value(QLatin1String(NavigatorMinimap::visibleKey)).toBool(), false);
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Shown shown;
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QVERIFY(!shown.minimap.isHidden() && shown.minimap.size() == QSize(120, 90));
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QCOMPARE(shown.minimap.picture().size(), QSize(300, 225));
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QCOMPARE(shown.minimap.accessibleName(), QString("Navigator"));
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QCOMPARE(shown.minimap.accessibleDescription(), QString("Click or drag to move the view"));
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shown.session.zoom(2.9, shown.session.viewport.center());
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QVERIFY(shown.minimap.isHidden() && shown.minimap.picture().isNull());
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shown.session.zoom(3, shown.session.viewport.center());
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QVERIFY(!shown.minimap.isHidden() && !shown.minimap.picture().isNull());
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shown.session.setCanvasOnly(true);
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QVERIFY(shown.minimap.isHidden());
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shown.session.setCanvasOnly(false);
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NavigatorMinimap::setVisibleSetting(false);
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shown.session.notify();
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QVERIFY(shown.minimap.isHidden());
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NavigatorMinimap::setVisibleSetting(true);
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shown.session.notify();
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QVERIFY(!shown.minimap.isHidden());
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shown.session.clearProject();
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QVERIFY(shown.minimap.isHidden());
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}
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void NavigatorTests::thePictureRedrawsOnceEditsSettle()
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{
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Shown shown;
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QTimer &wait = *shown.minimap.findChild<QTimer *>(QStringLiteral("navigatorWait"));
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QVERIFY(wait.interval() == 250 && wait.isSingleShot() && wait.timerType() == Qt::PreciseTimer && !wait.isActive());
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const QImage first = shown.minimap.picture();
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QCOMPARE(at(first, 150, 100), QColor(255, 0, 0));
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// A selection redraws nothing.
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shown.session.selectAll();
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QVERIFY(!wait.isActive());
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// An edit waits a moment, then redraws once.
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shown.session.addAdjustment(AdjustmentKind::invert);
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QVERIFY(wait.isActive());
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QCOMPARE(shown.minimap.picture().cacheKey(), first.cacheKey());
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QTRY_COMPARE(at(shown.minimap.picture(), 150, 100), QColor(0, 255, 255));
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QVERIFY(!wait.isActive());
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// Hidden mid-wait, the wait goes with the picture.
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shown.session.setLayerOpacity(0.5);
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QVERIFY(wait.isActive());
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shown.session.zoom(2, shown.session.viewport.center());
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QVERIFY(!wait.isActive() && shown.minimap.picture().isNull());
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}
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void NavigatorTests::aClickOrDragMovesTheView()
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{
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Shown shown;
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const QSizeF size(400, 300);
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QSignalSpy changes(&shown.session, &EditorSession::changed);
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QTest::mousePress(&shown.minimap, Qt::LeftButton, Qt::NoModifier, QPoint(30, 30));
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QCOMPARE(changes.count(), 1);
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QRectF visible = shown.session.viewport.visibleDocumentRect(size);
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QVERIFY(std::abs(visible.center().x() - 100) < 0.001 && std::abs(visible.center().y() - 100) < 0.001);
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QCOMPARE(shown.session.viewport.zoom(), 4.0);
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// A drag past the picture holds to the document's edge.
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QTest::mouseMove(&shown.minimap, QPoint(119, 89));
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QMouseEvent move(QEvent::MouseMove, QPointF(200, 200), QPointF(200, 200), Qt::NoButton, Qt::LeftButton, Qt::NoModifier);
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QApplication::sendEvent(&shown.minimap, &move);
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visible = shown.session.viewport.visibleDocumentRect(size);
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QVERIFY(std::abs(visible.center().x() - 400) < 0.001 && std::abs(visible.center().y() - 300) < 0.001);
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// Without the left button nothing moves.
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QMouseEvent hover(QEvent::MouseMove, QPointF(60, 45), QPointF(60, 45), Qt::NoButton, Qt::RightButton, Qt::NoModifier);
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QApplication::sendEvent(&shown.minimap, &hover);
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QTest::mousePress(&shown.minimap, Qt::RightButton, Qt::NoModifier, QPoint(60, 45));
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QVERIFY(std::abs(shown.session.viewport.visibleDocumentRect(size).center().x() - 400) < 0.001);
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// Over the canvas's cross, the arrow.
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QWidget canvas;
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canvas.setCursor(Qt::CrossCursor);
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NavigatorMinimap inside(shown.session, &canvas);
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QCOMPARE(inside.cursor().shape(), Qt::ArrowCursor);
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}
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void NavigatorTests::theViewsBoxIsDrawnInTheAccent()
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{
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Shown shown;
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QPalette palette = shown.minimap.palette();
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palette.setColor(QPalette::Active, QPalette::Highlight, QColor(0, 200, 0));
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shown.minimap.setPalette(palette);
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const QImage drawn = shown.minimap.grab().toImage();
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// The view's middle 200 × 150 pixels: 30 to 90.
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QCOMPARE(at(drawn, 30, 45), QColor(0, 200, 0));
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QCOMPARE(at(drawn, 31, 45), QColor(0, 200, 0));
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QCOMPARE(at(drawn, 89, 45), QColor(0, 200, 0));
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QCOMPARE(at(drawn, 60, 23), QColor(0, 200, 0));
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QCOMPARE(at(drawn, 60, 45), QColor(255, 0, 0));
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QCOMPARE(at(drawn, 28, 45), QColor(255, 0, 0));
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// The rim: white at 25% over red at the edge.
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QCOMPARE(at(drawn, 0, 45), QColor(255, 64, 64));
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// Clear pixels show the minimap's own gray 0.11.
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rewrite(shown.session, [](ProjectSnapshot &snapshot) { snapshot.manifest.layers.back().transform.size = QSizeF(200, 300); });
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shown.session.zoom(4, shown.session.viewport.center());
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QTRY_COMPARE(at(shown.minimap.grab().toImage(), 110, 80), QColor(28, 28, 28));
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// A view smaller than three points still shows three.
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shown.session.viewport.resize(QSizeF(40, 30), 1, QSizeF(400, 300));
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shown.session.zoom(32, shown.session.viewport.center());
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const QRectF view = shown.session.viewport.visibleDocumentRect(QSizeF(400, 300));
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QVERIFY(view.width() * 0.3 < 1);
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const int left = int(std::floor(view.left() * 0.3)), row = int(view.center().y() * 0.3);
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const QImage tiny = shown.minimap.grab().toImage();
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QVERIFY(at(tiny, left + 1, row).green() > 100 && at(tiny, left + 1, row).red() < 60);
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QCOMPARE(at(tiny, left - 2, row), QColor(255, 0, 0));
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}
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QTEST_MAIN(NavigatorTests)
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#include "NavigatorTests.moc"
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