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Camera Raw curves as Photoshop's: the fitted parametric curve, the tone curve on each channel, one drag in the graph (13.18)

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ZacharyZhang-NY committed 2026-10-01 18:10:13 -04:00
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commit a77cce4598
17 files changed
+862 -143
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tests/CameraRawCurveMixerTests.cpp
+10 -4
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@@ -94,14 +94,20 @@ void CameraRawCurveMixerTests::theParametricPageMovesRegionsAndDividers()
QTest::mouseDClick(&slider, Qt::LeftButton, {}, knob(slider));
QCOMPARE(group.raw().curve.*member, 0.0);
}
// A drag moves the nearest divider, within 2 and 98.
// Along the bottom: the nearest divider, kept ordered.
auto &graph = group.child<QWidget>(QStringLiteral("cameraRawCurveGraph"));
press(graph, QPoint(int(graph.width() * 0.3), 75));
drag(graph, QPoint(int(graph.width() * 0.35), 75));
const int h = graph.height();
press(graph, QPoint(int(graph.width() * 0.3), h - 5));
drag(graph, QPoint(int(graph.width() * 0.35), h - 5));
QVERIFY(std::abs(group.raw().curve.shadowSplit - 35) < 1 && group.raw().curve.darkSplit == 50);
drag(graph, QPoint(graph.width() + 40, 75));
QVERIFY(group.raw().curve.lightSplit == 98 || group.raw().curve.shadowSplit == 98 || group.raw().curve.darkSplit == 98);
QCOMPARE(group.raw().curve.shadowSplit, 48.0);
QTest::mouseRelease(&graph, Qt::LeftButton, {}, QPoint(graph.width() + 40, 75));
// Above it a drag lifts the region under the press.
press(graph, QPoint(int(graph.width() * 0.3), 75));
drag(graph, QPoint(int(graph.width() * 0.9), 75 - h / 4));
QCOMPARE(group.raw().curve.shadows, std::round(double(h / 4) / h * 200));
QTest::mouseRelease(&graph, Qt::LeftButton, {}, QPoint(int(graph.width() * 0.9), 75 - h / 4));
// A double click here leaves the point curve's points.
group.set([](CameraRawSettings &settings) { settings.curve.rgb = {{0, 0}, {0.5, 0.5}, {1, 1}}; });
QTest::mouseDClick(&graph, Qt::LeftButton, {}, QPoint(graph.width() / 2, graph.height() / 2));