Gets and sets the Quality Factor (QFactor) to use when saving HEIF/HEIC images.
public int QualityFactor { get; set; }
@property (nonatomic, assign) NSInteger qualityFactor;
public int getQualityFactor()
public void setQualityFactor(int value)
QualityFactor # get and set (CodecsHeicSaveOptions)
The Quality Factor to use when saving HEIF/HEIC images. The default value is 20
.
The valid range of values is 0 to 51, where 0 is the highest quality and 51 is the most compression.
For information on formats that support quality factor, refer to Compression Quality Factors.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void CodecsHeicOptions_Example()
{
RasterCodecs codecs = new RasterCodecs();
string fileName = "C:\temp\test.heic";
using (RasterImage image = codecs.Load(fileName))
{
/* Save a HEIC file using qFactor of 30 and no stamp */
string outFile30 = @"C:\temp\out30-NoStamp.heic";
codecs.Options.Heic.Load.Multithreaded = false; // CodecsHeicLoadOptions reference
codecs.Options.Heic.Save.QualityFactor = 30; // CodecsHeicOptions & CodecsHeicSaveOptions reference
codecs.Save(image, outFile30, RasterImageFormat.Heic, 0);
/* Save a HEIC file using qFactor of 40 and a stamp */
string outFile40 = @"C:\temp\out40-Stamp.heic";
codecs.Options.Heic.Save.QualityFactor = 40;
codecs.Options.Heic.Save.SaveWithStamp = true;
codecs.Options.Heic.Save.StampWidth = 320;
codecs.Options.Heic.Save.StampHeight = codecs.Options.Heic.Save.StampWidth * image.Height / image.Width;
codecs.Options.Heic.Save.StampBitsPerPixel = 24;
codecs.Save(image, outFile40, RasterImageFormat.Heic, 0);
}
// Clean up
codecs.Dispose();
}
High Efficiency File Format - HEIC
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