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14.28: Camera Raw's preview 5 to 20 times faster

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ZacharyZhang-NY committed 2026-10-11 15:29:31 -04:00
1 parent 817b32b4aa
commit 6dc0ffbfa3
15 files changed
+807 -222
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tests/CameraRawWiringTests.cpp
+16 -12
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@@ -232,22 +232,26 @@ void CameraRawWiringTests::constrainCropFitsTheWholeFrame()
void CameraRawWiringTests::theScopeCountsEachChannelAndHue()
{
QImage picture = BrushRaster::context(3, 1, false);
// Every other pixel across; the red between is skipped.
QImage picture = BrushRaster::context(5, 1, false);
picture.fill(QColor(255, 0, 0));
picture.setPixelColor(0, 0, QColor(0, 255, 0, 128));
picture.setPixelColor(1, 0, QColor(0, 0, 255));
picture.setPixelColor(2, 0, QColor(255, 0, 255));
const CameraRawScope scope = CameraRawScope::make(picture).value();
picture.setPixelColor(2, 0, QColor(0, 0, 255));
picture.setPixelColor(4, 0, QColor(255, 0, 255));
for (const QImage &format : {picture, picture.convertToFormat(QImage::Format_ARGB32)}) {
const CameraRawScope scope = CameraRawScope::make(format).value();
// Counts weigh by alpha: the green pixel is half.
const double half = 128 / 255.0;
const auto near = [](double left, double right) { return std::abs(left - right) < 1e-9; };
QVERIFY(near(scope.red[0], 1 + half) && near(scope.red[255], 1));
QVERIFY(near(scope.green[255], half) && near(scope.green[0], 2));
QVERIFY(near(scope.blue[255], 2) && near(scope.blue[0], half));
const auto cell = [&](int column, int line) { return scope.vectorscope[size_t(line * CameraRawScope::scopeSide + column)]; };
// Green at 120°, blue at 240°, magenta at 300°.
QVERIFY(std::abs(cell(16, 58) - 128 / 255.0) < 1e-9);
QCOMPARE(cell(16, 5), 1.0);
QCOMPARE(cell(47, 5), 1.0);
QVERIFY(near(scope.red[0], 1 + half) && near(scope.red[255], 1));
QVERIFY(near(scope.green[255], half) && near(scope.green[0], 2));
QVERIFY(near(scope.blue[255], 2) && near(scope.blue[0], half));
const auto cell = [&](int column, int line) { return scope.vectorscope[size_t(line * CameraRawScope::scopeSide + column)]; };
// Green at 120°, blue at 240°, magenta at 300°.
QVERIFY(std::abs(cell(16, 58) - 128 / 255.0) < 1e-9);
QCOMPARE(cell(16, 5), 1.0);
QCOMPARE(cell(47, 5), 1.0);
}
}
void CameraRawWiringTests::curveMixerAndGradingReachTheKernelInOrder()