public void Test_DctMethod_OptimizeCoding_Quality_QuantizationTables_SamplingFactors()
{
JpegWriteDefines defines = new JpegWriteDefines()
{
DctMethod = DctMethod.Fast,
OptimizeCoding = false,
Quality = new MagickGeometry(80, 80),
QuantizationTables = @"C:\path\to\file.xml",
SamplingFactors = new MagickGeometry[]
{
new MagickGeometry(5, 10),
new MagickGeometry(15, 20)
}
};
using (MagickImage image = new MagickImage(Files.Builtin.Logo))
{
image.Settings.SetDefines(defines);
Assert.AreEqual("Fast", image.Settings.GetDefine(MagickFormat.Jpeg, "dct-method"));
Assert.AreEqual("False", image.Settings.GetDefine(MagickFormat.Jpeg, "optimize-coding"));
Assert.AreEqual("80x80", image.Settings.GetDefine(MagickFormat.Jpeg, "quality"));
Assert.AreEqual(@"C:\path\to\file.xml", image.Settings.GetDefine(MagickFormat.Jpeg, "q-table"));
Assert.AreEqual("5x10,15x20", image.Settings.GetDefine(MagickFormat.Jpeg, "sampling-factor"));
}
}
private IDefines CreateJpegWriteDefines(XmlElement element)
{
if (element == null)
{
return(null);
}
JpegWriteDefines result = new JpegWriteDefines();
result.ArithmeticCoding = GetValue <Nullable <Boolean> >(element, "arithmeticCoding");
result.DctMethod = GetValue <Nullable <ImageMagick.Defines.DctMethod> >(element, "dctMethod");
result.Extent = GetValue <Nullable <Int32> >(element, "extent");
result.OptimizeCoding = GetValue <Nullable <Boolean> >(element, "optimizeCoding");
result.QuantizationTables = GetValue <String>(element, "quantizationTables");
result.SamplingFactor = GetValue <Nullable <ImageMagick.Defines.SamplingFactor> >(element, "samplingFactor");
return(result);
}
private IDefines CreateJpegWriteDefines(XmlElement element)
{
if (element == null)
{
return(null);
}
JpegWriteDefines result = new JpegWriteDefines();
result.DctMethod = Variables.GetValue <Nullable <ImageMagick.Defines.DctMethod> >(element, "dctMethod");
result.Extent = Variables.GetValue <Nullable <Int32> >(element, "extent");
result.OptimizeCoding = Variables.GetValue <Nullable <Boolean> >(element, "optimizeCoding");
result.Quality = Variables.GetValue <MagickGeometry>(element, "quality");
result.QuantizationTables = Variables.GetValue <String>(element, "quantizationTables");
result.SamplingFactors = CreateMagickGeometryCollection(element);
return(result);
}
public void Test_Extent()
{
JpegWriteDefines defines = new JpegWriteDefines()
{
Extent = 10
};
using (MagickImage image = new MagickImage(Files.Builtin.Logo))
{
using (MemoryStream memStream = new MemoryStream())
{
image.Settings.SetDefines(defines);
image.Format = MagickFormat.Jpeg;
image.Write(memStream);
Assert.IsTrue(memStream.Length < 10000);
}
}
}
private IDefines CreateJpegWriteDefines(XmlElement element)
{
if (element == null)
return null;
JpegWriteDefines result = new JpegWriteDefines();
result.DctMethod = Variables.GetValue<Nullable<ImageMagick.Defines.DctMethod>>(element, "dctMethod");
result.Extent = Variables.GetValue<Nullable<Int32>>(element, "extent");
result.OptimizeCoding = Variables.GetValue<Nullable<Boolean>>(element, "optimizeCoding");
result.Quality = Variables.GetValue<MagickGeometry>(element, "quality");
result.QuantizationTables = Variables.GetValue<String>(element, "quantizationTables");
result.SamplingFactors = CreateMagickGeometryCollection(element);
return result;
}