Function makeGrayFrame

tests/AnalogTape.cpp:24–34

Fixed helper ensures Frame invariants are respected (size/format/flags)

// Fixed helper ensures Frame invariants are respected (size/format/flags)
static std::shared_ptr<Frame> makeGrayFrame(int w = 64, int h = 64) {
	auto f = std::make_shared<Frame>(1, w, h, "#000000", 0, 2);

	// Use premultiplied format to match Frame::AddImage expectations
	auto img = std::make_shared<QImage>(w, h, QImage::Format_RGBA8888_Premultiplied);
	img->fill(QColor(100, 100, 100, 255));

	// Route through AddImage so width/height/has_image_data are set correctly
	f->AddImage(img);
	return f;
}

TEST_CASE("AnalogTape modifies frame", "[effect][analogtape]") {
	AnalogTape eff;