/// <summary>
/// Read all color spaces defined the resources
/// </summary>
private void ReadResourceDefinedColorSpaces(PdfResources resourcesDict)
{
var colorSpaceDict = resourcesDict.ColorSpaces;
if (colorSpaceDict == null)
{
return;
}
foreach (var name in colorSpaceDict.Elements.Keys)
{
var colorSpaceArray = colorSpaceDict.Elements.GetArray(name);
var type = colorSpaceArray.Elements.GetName(0);
IColorSpace colorSpace = null;
switch (type)
{
case PdfKeys.DevicePattern:
{
colorSpace = new PatternColorSpace(patternManager);
colorSpace.Init(colorSpaceArray);
break;
}
default:
colorSpace = CreateColorSpace(colorSpaceArray);
break;
}
colorSpaces.Add(name, colorSpace);
}
}
/// <summary>
/// Init
/// </summary>
public void Init(PdfResources resourcesDict)
{
colorSpaces = new Dictionary <string, IColorSpace>();
IColorSpace predefinedColorSpace = new RGBDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceRGB, predefinedColorSpace);
predefinedColorSpace = new CMYKDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceCMYK, predefinedColorSpace);
predefinedColorSpace = new GrayDeviceColorSpace();
colorSpaces.Add(PdfKeys.DeviceGray, predefinedColorSpace);
var predefinedColorSpacePattern = new PatternColorSpace(patternManager);
colorSpaces.Add(PdfKeys.DevicePattern, predefinedColorSpacePattern);
if (resourcesDict != null)
{
ReadResourceDefinedColorSpaces(resourcesDict);
}
}
