public static ColorValueExtent ColorValueExtent(MetafileReader reader)
{
ColorValueExtent result;
if (reader.Descriptor.ColorModel == ColorModel.RGB)
{
MetafileColor min = reader.ReadDirectColor();
MetafileColor max = reader.ReadDirectColor();
result = new ColorValueExtent(ColorSpace.RGB, min, max);
}
else if (reader.Descriptor.ColorModel == ColorModel.CMYK)
{
MetafileColor min = reader.ReadDirectColor();
MetafileColor max = reader.ReadDirectColor();
result = new ColorValueExtent(ColorSpace.CMYK, min, max);
}
else if (reader.Descriptor.ColorModel == ColorModel.CIELAB || reader.Descriptor.ColorModel == ColorModel.CIELUV || reader.Descriptor.ColorModel == ColorModel.RGBrelated)
{
double firstScale = reader.ReadReal();
double firstOffset = reader.ReadReal();
double secondScale = reader.ReadReal();
double secondOffset = reader.ReadReal();
double thirdScale = reader.ReadReal();
double thirdOffset = reader.ReadReal();
result = new ColorValueExtent(ColorSpace.CIE, firstScale, firstOffset, secondScale, secondOffset, thirdScale, thirdOffset);
}
else
{
// unsupported, just return a default unknown color space
result = new ColorValueExtent();
}
return(result);
}
public void AcceptMetafileDescriptorColorValueExtent(ColorValueExtent colorValueExtent, PrintContext parameter)
{
if (colorValueExtent.ColorSpace == ColorSpace.Unknown)
{
parameter.WriteLine("Color Value Extent: Unknown Color Space");
}
else if (colorValueExtent.ColorSpace == ColorSpace.CIE)
{
parameter.WriteLine("Color Value Extent: CIE {0}+{1}/{2}+{3}/{4}+{5}",
colorValueExtent.FirstScale, colorValueExtent.FirstOffset,
colorValueExtent.SecondScale, colorValueExtent.SecondOffset,
colorValueExtent.ThirdScale, colorValueExtent.ThirdOffset);
}
else // RGB or CMYK
{
parameter.WriteLine("Color Value Extent: {0} {1}/{2}",
colorValueExtent.ColorSpace, colorValueExtent.Minimum, colorValueExtent.Maximum);
}
}
public static ColorValueExtent ColorValueExtent(MetafileReader reader, CommandHeader commandHeader)
{
// If the model is RGB or CMYK, then 2 parameters:
// P1: (direct colour value) minimum colour value
// P2: (direct colour value) maximum colour value
// If the model is CIELAB, CIELUV, or RGB-related then 3 parameters:
// P1: (real) scale and offset pair for first component
// P2: (real) scale and offset pair for second component
// P3: (real) scale and offset pair for third component
ColorValueExtent result;
if (reader.Descriptor.ColorModel == ColorModel.RGB)
{
MetafileColor min = reader.ReadDirectColor();
MetafileColor max = reader.ReadDirectColor();
result = new ColorValueExtent(ColorSpace.RGB, min, max);
}
else if (reader.Descriptor.ColorModel == ColorModel.CMYK)
{
MetafileColor min = reader.ReadDirectColor();
MetafileColor max = reader.ReadDirectColor();
result = new ColorValueExtent(ColorSpace.CMYK, min, max);
}
else if (reader.Descriptor.ColorModel == ColorModel.CIELAB || reader.Descriptor.ColorModel == ColorModel.CIELUV || reader.Descriptor.ColorModel == ColorModel.RGBrelated)
{
double firstScale = reader.ReadReal();
double firstOffset = reader.ReadReal();
double secondScale = reader.ReadReal();
double secondOffset = reader.ReadReal();
double thirdScale = reader.ReadReal();
double thirdOffset = reader.ReadReal();
result = new ColorValueExtent(ColorSpace.CIE, firstScale, firstOffset, secondScale, secondOffset, thirdScale, thirdOffset);
}
else
{
// unsupported, just return a default unknown color space
result = new ColorValueExtent();
}
return(result);
}
public virtual void AcceptMetafileDescriptorColorValueExtent(ColorValueExtent colorValueExtent, T parameter)
{
// intentionally left blank
}
