322 lines
13 KiB
C++
322 lines
13 KiB
C++
#include "BrushFixtures.h"
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#include "SessionFixtures.h"
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#include "Document/EditorSession.h"
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#include "IO/ImageExporter.h"
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#include <QTemporaryDir>
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// Swift's TypeToolTests: text layers made, edited, saved, clipped.
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namespace {
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std::unique_ptr<EditorSession> makeSession()
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{
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auto session = std::make_unique<EditorSession>();
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session->createDocument(800, 600, true);
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session->selectTool(NavigationTool::type);
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return session;
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}
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// Swift writes `colorPicker.hsb` in place.
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void pick(EditorSession &session, const PaletteColor &color)
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{
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PickerHSB hsb = session.colorPicker().value().hsb;
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hsb.setRGB(color);
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session.setColorPickerHSB(hsb);
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}
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// Swift writes `session.textDraft?.style.content` in place.
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void type(EditorSession &session, const QString &content)
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{
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TextDraft draft = session.textDraft().value();
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draft.style.content = content;
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session.setTextDraft(draft);
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}
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// Opaque ink and clear pixels of an image, counted.
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std::pair<int, int> inkAndClear(const QImage &image, const std::function<bool(const std::vector<int> &)> &inked)
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{
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int ink = 0, clear = 0;
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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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const std::vector<int> at = pixel(image, x, y);
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if (at[3] == 0)
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++clear;
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else if (inked(at))
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++ink;
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}
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}
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return {ink, clear};
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}
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}
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class TypeToolTests : public QObject {
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Q_OBJECT
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private slots:
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void createEditCancelAndUndo();
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void transformsDuplicatesAndClippingKeepTextEditable();
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void saveReopenAndRasterize();
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void rasterHasTransparentBackgroundAndColoredGlyphs();
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void clippingToTextExportsColoredGlyphsOnTransparency();
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void paragraphBoxAndToolSwitchCommitEditableText();
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void emptyNewParagraphIsDiscarded();
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void invalidAndStaleDraftsDoNotChangeDocument();
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void textColorPickerPreviewsAndRestoresDraft();
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void theForegroundPickerPreviewsOpenTextToo();
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};
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void TypeToolTests::createEditCancelAndUndo()
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{
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const auto session = makeSession();
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const int before = session->history.undoCount();
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session->beginText(QPointF(30, 40));
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type(*session, QStringLiteral("Text"));
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QCOMPARE(session->document().value().layers.size(), size_t(1));
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TextDraft draft = session->textDraft().value();
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draft.style.content = QStringLiteral("Hello\nCompositor");
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draft.style.fontSize = 48;
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QVERIFY(session->applyText(draft));
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QCOMPARE(session->activeLayer().value().liveText().value().style, draft.style);
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QCOMPARE(session->activeLayer().value().origin(), QPointF(30, 40));
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QCOMPARE(session->history.undoCount(), before + 1);
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session->editActiveText();
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session->setTextDraft(std::nullopt);
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QCOMPARE(session->history.undoCount(), before + 1);
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session->editActiveText();
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draft = session->textDraft().value();
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draft.style.content = QStringLiteral("Changed");
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QVERIFY(session->applyText(draft));
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session->undo();
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QCOMPARE(session->activeLayer().value().liveText().value().style.content, QString("Hello\nCompositor"));
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session->undo();
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QCOMPARE(session->document().value().layers.size(), size_t(1));
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session->redo();
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QVERIFY(session->activeLayer().value().liveText());
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}
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void TypeToolTests::transformsDuplicatesAndClippingKeepTextEditable()
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{
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const auto session = makeSession();
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session->beginText(QPointF(20, 20));
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type(*session, QStringLiteral("Text"));
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QVERIFY(session->applyText(session->textDraft().value()));
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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.rotation = 30;
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record(snapshot, id).transform.size.rwidth() *= 2;
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});
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const LayerTransform old = session->activeLayer().value().transform;
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session->editActiveText();
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TextDraft draft = session->textDraft().value();
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draft.style.content = QStringLiteral("Longer text");
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QVERIFY(session->applyText(draft));
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const LayerTransform updated = session->activeLayer().value().transform;
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QCOMPARE(updated.rotation, 30.0);
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QVERIFY(std::abs(updated.point(QPointF(0, 0)).x() - old.point(QPointF(0, 0)).x()) < 0.001);
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QVERIFY(std::abs(updated.point(QPointF(0, 0)).y() - old.point(QPointF(0, 0)).y()) < 0.001);
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session->duplicateActiveLayer();
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QCOMPARE(session->activeLayer().value().liveText().value().style.content, QString("Longer text"));
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const QUuid target = session->activeLayerID().value();
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QVERIFY(session->linkMask(id, target));
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QCOMPARE(session->activeLayer().value().maskSourceID, std::optional(id));
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QVERIFY(layerWith(*session, id).liveText());
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}
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void TypeToolTests::saveReopenAndRasterize()
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{
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const auto session = makeSession();
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session->beginText(QPointF(0, 0));
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type(*session, QStringLiteral("Text"));
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TextDraft draft = session->textDraft().value();
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draft.style.content = QStringLiteral("Café 日本語\nSecond line");
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draft.style.alignment = TextAlignment::right;
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draft.style.tracking = 3;
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QVERIFY(session->applyText(draft));
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QTemporaryDir folder;
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const QString path = folder.filePath(QStringLiteral("text.comp"));
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ProjectStore::save(session->projectSnapshot().value(), path);
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const auto reopened = makeSession();
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reopened->installProject(ProjectStore::load(path), path);
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QCOMPARE(reopened->activeLayer().value().liveText().value().style, draft.style);
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// Other pixels in its place: no longer text.
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ImageLayer painted = reopened->activeLayer().value();
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const QImage replacement = EditorSession::shapeImage(ShapeKind::rectangle, QSizeF(10, 10), PaletteColor{1, 0, 0});
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painted.asset = ImportedImage(replacement, replacement, QStringLiteral("Painted"));
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QVERIFY(!painted.liveText());
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QVERIFY(!painted.hierarchyRecord().text);
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}
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void TypeToolTests::rasterHasTransparentBackgroundAndColoredGlyphs()
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{
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LayerTextStyle style;
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style.content = QStringLiteral("TYPE");
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style.red = 1;
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const QImage image = EditorSession::textImage(style);
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bool pure = true;
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const auto [ink, clear] = inkAndClear(image, [&](const std::vector<int> &at) {
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pure = pure && at[0] > 0 && at[1] == 0 && at[2] == 0;
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return true;
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});
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QVERIFY(pure);
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QVERIFY(ink > 100 && clear > 100);
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}
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void TypeToolTests::clippingToTextExportsColoredGlyphsOnTransparency()
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{
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const auto session = makeSession();
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session->beginText(QPointF(0, 0));
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type(*session, QStringLiteral("Text"));
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QVERIFY(session->applyText(session->textDraft().value()));
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const QUuid source = session->activeLayerID().value();
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const QSizeF size = session->activeLayer().value().size();
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const QImage fill = EditorSession::shapeImage(ShapeKind::rectangle, size, PaletteColor{1, 0, 0});
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session->addPixelLayer(fill, QPointF(0, 0), QStringLiteral("Clipped color"), QStringLiteral("Fill"));
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QVERIFY(session->linkMask(source, session->activeLayerID().value()));
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const QImage exported = ImageExporter::render(session->projectSnapshot().value()).image;
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bool red = true;
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const auto [ink, clear] = inkAndClear(exported, [&](const std::vector<int> &at) {
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if (at[3] != 255)
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return false;
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red = red && at[0] == 255 && at[1] == 0;
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return true;
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});
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QVERIFY(red);
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QVERIFY(ink > 100 && clear > 100);
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}
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void TypeToolTests::paragraphBoxAndToolSwitchCommitEditableText()
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{
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const auto session = makeSession();
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session->beginText(QRectF(40, 60, 200, 120));
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QCOMPARE(session->textDraft().value().style.content, QString());
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type(*session, QStringLiteral("Text that wraps inside its paragraph box"));
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session->selectTool(NavigationTool::brush);
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QVERIFY(!session->textDraft() && session->tool() == NavigationTool::brush);
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QCOMPARE(session->activeLayer().value().size(), QSizeF(200, 120));
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QCOMPARE(session->activeLayer().value().liveText().value().style.boxSize, std::optional(QSizeF(200, 120)));
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session->selectTool(NavigationTool::type);
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session->editActiveText();
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type(*session, QStringLiteral("Edited on canvas"));
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session->cancelText();
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QCOMPARE(session->activeLayer().value().liveText().value().style.content, QString("Text that wraps inside its paragraph box"));
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}
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void TypeToolTests::emptyNewParagraphIsDiscarded()
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{
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const auto session = makeSession();
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const size_t count = session->document().value().layers.size();
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session->beginText(QRectF(0, 0, 100, 100));
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session->selectTool(NavigationTool::brush);
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QCOMPARE(session->document().value().layers.size(), count);
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QVERIFY(!session->textDraft());
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}
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void TypeToolTests::invalidAndStaleDraftsDoNotChangeDocument()
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{
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const auto session = makeSession();
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session->beginText(QPointF(0, 0));
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type(*session, QStringLiteral("Text"));
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TextDraft draft = session->textDraft().value();
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draft.style.fontSize = NAN;
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QVERIFY(!session->applyText(draft));
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draft.style.fontSize = 72;
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draft.style.boxSize = QSizeF(0, 100);
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QVERIFY(!session->applyText(draft));
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draft.style.boxSize = QSizeF(360, 160);
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draft.style.content = QStringLiteral("Valid");
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session->setTextDraft(std::nullopt);
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session->createDocument(100, 100, true);
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QVERIFY(!session->applyText(draft));
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QCOMPARE(session->document().value().layers.size(), size_t(1));
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}
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void TypeToolTests::textColorPickerPreviewsAndRestoresDraft()
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{
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const auto session = makeSession();
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session->beginText(QPointF(30, 40));
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const LayerTextStyle original = session->textDraft().value().style;
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session->openTextColorPicker();
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pick(*session, PaletteColor{1, 0, 0});
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session->previewTextColor();
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QCOMPARE(session->textDraft().value().style.red, 1.0);
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QCOMPARE(session->textDraft().value().style.green, 0.0);
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QCOMPARE(session->foregroundColor(), PaletteColor::black());
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session->closeColorPicker(false);
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QCOMPARE(session->textDraft().value().style, original);
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QCOMPARE(session->foregroundColor(), PaletteColor::black());
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session->openTextColorPicker();
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pick(*session, PaletteColor{0, 0, 1});
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session->previewTextColor();
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session->closeColorPicker(true);
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QCOMPARE(session->textDraft().value().style.blue, 1.0);
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QCOMPARE(session->foregroundColor(), (PaletteColor{0, 0, 1}));
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// With no text open, Cancel leaves the next text's colour.
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session->setTextDraft(std::nullopt);
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session->openTextColorPicker();
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pick(*session, PaletteColor{1, 0, 0});
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session->closeColorPicker(true);
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session->setForegroundColor(PaletteColor{0, 1, 0});
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session->openTextColorPicker();
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session->closeColorPicker(false);
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QCOMPARE(session->textDefaults().red, 1.0);
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QCOMPARE(session->textDefaults().green, 0.0);
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}
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void TypeToolTests::theForegroundPickerPreviewsOpenTextToo()
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{
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// Swift 1.2.5 (4e5f4ec): open text follows the foreground picker.
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const auto session = makeSession();
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session->beginText(QPointF(30, 40));
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const auto paint = [&](const PaletteColor &color) {
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session->changeTextStyle([&](LayerTextStyle &style) {
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style.red = color.red;
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style.green = color.green;
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style.blue = color.blue;
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});
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};
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const auto colour = [&] {
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const LayerTextStyle style = session->textDraft().value().style;
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return PaletteColor{style.red, style.green, style.blue};
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};
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// Blue text, a black foreground: Cancel restores the text's own.
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paint(PaletteColor{0, 0, 1});
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session->openColorPicker(false);
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pick(*session, PaletteColor{0, 1, 0});
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session->previewTextColor();
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QCOMPARE(colour(), (PaletteColor{0, 1, 0}));
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session->closeColorPicker(false);
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QCOMPARE(colour(), (PaletteColor{0, 0, 1}));
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QCOMPARE(session->foregroundColor(), PaletteColor::black());
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// Another draft set meanwhile is neither previewed nor restored.
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session->openColorPicker(false);
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TextDraft other = session->textDraft().value();
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other.id = QUuid::createUuid();
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session->setTextDraft(other);
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paint(PaletteColor{1, 0, 0});
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pick(*session, PaletteColor{0, 1, 0});
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session->previewTextColor();
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QCOMPARE(colour(), (PaletteColor{1, 0, 0}));
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session->closeColorPicker(false);
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QCOMPARE(colour(), (PaletteColor{1, 0, 0}));
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// OK keeps the colour, and the foreground with it.
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session->openColorPicker(false);
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pick(*session, PaletteColor{0, 1, 0});
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session->previewTextColor();
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session->closeColorPicker(true);
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QCOMPARE(colour(), (PaletteColor{0, 1, 0}));
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QCOMPARE(session->foregroundColor(), (PaletteColor{0, 1, 0}));
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// The background picker leaves text alone.
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session->openColorPicker(true);
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pick(*session, PaletteColor{1, 0, 0});
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session->previewTextColor();
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QCOMPARE(colour(), (PaletteColor{0, 1, 0}));
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session->closeColorPicker(false);
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// The Type bar's picker: a later draft keeps its colour.
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session->openTextColorPicker();
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other.id = QUuid::createUuid();
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session->setTextDraft(other);
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paint(PaletteColor{1, 0, 0});
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session->closeColorPicker(false);
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QCOMPARE(colour(), (PaletteColor{1, 0, 0}));
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}
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QTEST_MAIN(TypeToolTests)
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#include "TypeToolTests.moc"
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