Method ReadEffectGradient

BeefySysLib/img/PSDReader.cpp:373–459

}

bool PSDReader::ReadEffectGradient(PSDDescriptor* descriptor, ImageGradient* colorGradient)
{
	if (descriptor->Contains("Grad"))
	{
		PSDDescriptor* gradDesc = descriptor->GetDescriptor("Grad");
		int gridF = gradDesc->Get("GrdF")->GetMulticharInt(); // CstS
		double intr = gradDesc->Get("Intr")->mDouble;
		int trns = gradDesc->Get("Trns")->mInteger;
									
		PSDValue* colors = gradDesc->Get("Clrs");
		for (int colorIdx = 0; colorIdx < colors->mInteger; colorIdx++)
		{
			PSDDescriptor* colorDataDesc = colors->mList[colorIdx].mDescriptor;
																				
			PSDDescriptor* aColorDesc = colorDataDesc->GetDescriptor("Clr ");
			int vals[3];
			vals[0] = (int) aColorDesc->Get("Rd  ")->mDouble;
			vals[1] = (int) aColorDesc->Get("Grn ")->mDouble;
			vals[2] = (int) aColorDesc->Get("Bl  ")->mDouble;
										
			int loc = colorDataDesc->Get("Lctn")->mInteger;
			int mdPn = colorDataDesc->Get("Mdpn")->mInteger;
			int aType = colorDataDesc->Get("Type")->GetMulticharInt();

			for (int i = 0; i < 3; i++)
			{
				ImageGradientPoint pt;
				pt.mX = (float) loc;
				pt.mValue = vals[i];

				if ((colorGradient[i].mPoints.size() != 0) && (colorGradient[i].mPoints.back().mX == pt.mX))
					colorGradient[i].mPoints.back() = pt;
				else
					colorGradient[i].mPoints.push_back(pt);
			}
		}
		for (int i = 0; i < 4; i++)
		{
			colorGradient[i].mXSize = 4096;
			colorGradient[i].mSmoothness = (float) intr / 4096.0f;
		}
									
		PSDValue* transDesc = gradDesc->Get("Trns");
		for (int transIdx = 0; transIdx < transDesc->mInteger; transIdx++)
		{
			ImageGradientPoint pt;

			PSDDescriptor* transDataDesc = transDesc->mList[transIdx].mDescriptor;

			int loc = transDataDesc->Get("Lctn")->mInteger;
			double opacity = transDataDesc->Get("Opct")->mDouble;

			pt.mX = (float) loc;
			pt.mValue = (int) (opacity * 255 / 100.0f + 0.5f);
			colorGradient[3].mPoints.push_back(pt);
		}									

		return true;