70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#pragma once
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#include "Document/EditorSession.h"
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#include <functional>
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#include <memory>
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// Swift's tests write into `session.document`; here a snapshot goes in.
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inline void rewrite(EditorSession &session, const std::function<void(ProjectSnapshot &)> &change)
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{
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ProjectSnapshot snapshot = session.projectSnapshot().value();
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change(snapshot);
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session.installProject(snapshot, QStringLiteral("fixture.comp"));
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}
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inline ProjectLayerRecord &record(ProjectSnapshot &snapshot, QUuid id)
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{
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for (ProjectLayerRecord &layer : snapshot.manifest.layers) {
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if (layer.id == id)
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return layer;
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}
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throw std::runtime_error("no such record");
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}
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// Gives the layer this mask and its record a file.
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inline void setMask(ProjectSnapshot &snapshot, QUuid id, const ImportedImage &mask)
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{
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record(snapshot, id).maskFile = uuidString(id) + ".mask.png";
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snapshot.masks.insert_or_assign(id, mask);
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}
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inline ImageLayer layerWith(const EditorSession &session, QUuid id)
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{
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for (const ImageLayer &layer : session.document().value().layers) {
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if (layer.id == id)
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return layer;
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}
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throw std::runtime_error("no such layer");
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}
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// Two by two, red, nearest: masks map pixel for pixel.
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inline std::unique_ptr<EditorSession> redSession()
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{
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auto session = std::make_unique<EditorSession>();
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session->createDocument(2, 2);
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QImage image(2, 2, 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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const QUuid id = session->activeLayerID().value();
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rewrite(*session, [&](ProjectSnapshot &snapshot) { record(snapshot, id).transform.sampling = LayerSampling::nearest; });
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return session;
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}
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// Coverage 255, 0 over 128, 255.
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inline ImportedImage coverage()
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{
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QImage image(2, 2, QImage::Format_Grayscale8);
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const uchar values[] = {255, 0, 128, 255};
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for (int index = 0; index < 4; ++index)
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image.scanLine(index / 2)[index % 2] = values[index];
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return LayerMask::assetFrom(image);
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}
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// New text whose box starts at `corner`, unlike a click.
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inline void beginTextAt(EditorSession &session, QPointF corner)
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{
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session.beginText(corner, true);
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TextDraft draft = session.textDraft().value();
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draft.origin = corner;
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session.setTextDraft(draft);
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}
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