C++ (Cpp) BGradient::ColorStopAt示例

示例#1

文件： Gradient.cpp 项目： mmanley/Antares

// SetColorStops
void
BGradient::SetColorStops(const BGradient& other)
{
	MakeEmpty();
	for (int32 i = 0; ColorStop* stop = other.ColorStopAt(i); i++)
		AddColorStop(*stop, i);
}

示例#2

文件： CanvasMessage.cpp 项目： SummerSnail2014/haiku

void
CanvasMessage::AddGradient(const BGradient& gradient)
{
	Add(gradient.GetType());

	switch (gradient.GetType()) {
		case BGradient::TYPE_NONE:
			break;

		case BGradient::TYPE_LINEAR:
		{
			const BGradientLinear* linear
				= dynamic_cast<const BGradientLinear *>(&gradient);
			if (linear == NULL)
				return;

			Add(linear->Start());
			Add(linear->End());
			break;
		}

		case BGradient::TYPE_RADIAL:
		{
			const BGradientRadial* radial
				= dynamic_cast<const BGradientRadial *>(&gradient);
			if (radial == NULL)
				return;

			Add(radial->Center());
			Add(radial->Radius());
			break;
		}

		case BGradient::TYPE_RADIAL_FOCUS:
		{
			const BGradientRadialFocus* radialFocus
				= dynamic_cast<const BGradientRadialFocus *>(&gradient);
			if (radialFocus == NULL)
				return;

			Add(radialFocus->Center());
			Add(radialFocus->Focal());
			Add(radialFocus->Radius());
			break;
		}

		case BGradient::TYPE_DIAMOND:
		{
			const BGradientDiamond* diamond
				= dynamic_cast<const BGradientDiamond *>(&gradient);
			if (diamond == NULL)
				return;

			Add(diamond->Center());
			break;
		}

		case BGradient::TYPE_CONIC:
		{
			const BGradientConic* conic
				= dynamic_cast<const BGradientConic *>(&gradient);
			if (conic == NULL)
				return;

			Add(conic->Center());
			Add(conic->Angle());
			break;
		}
	}

	int32 stopCount = gradient.CountColorStops();
	Add(stopCount);

	for (int32 i = 0; i < stopCount; i++) {
		BGradient::ColorStop* stop = gradient.ColorStopAt(i);
		if (stop == NULL)
			return;

		Add(stop->color);
		Add(stop->offset);
	}
}