Class Optimizer.ImageSettings

A class that stores downsampling/recompression settings for color and grayscale images.

Inheritance

object

Optimizer.ImageSettings

Inherited Members

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Namespace: pdftron.PDF

Assembly: PDFNet.dll

Syntax

public class Optimizer.ImageSettings

Constructors

ImageSettings()

create an ImageSetting object with default options

Declaration

public ImageSettings()

Methods

ForceChanges(bool)

Sets whether image changes that grow the PDF file should be kept. This is off by default.

Declaration

public void ForceChanges(bool force)

Parameters

Type	Name	Description
bool	force	if true all image changes will be kept.

ForceRecompression(bool)

Sets whether recompression to the specified compression method should be forced when the image is not downsampled. By default the compression method for these images will not be changed.

Declaration

public void ForceRecompression(bool force)

Parameters

Type	Name	Description
bool	force	if true the compression method for all images will be changed to the specified compression mode

SetCompressionMode(CompressionMode)

Sets the output compression mode for this type of image The default value is e_retain

Declaration

public void SetCompressionMode(Optimizer.ImageSettings.CompressionMode mode)

Parameters

Type	Name	Description
Optimizer.ImageSettings.CompressionMode	mode	the compression mode to set

SetDownsampleMode(DownsampleMode)

Sets the downsample mode for this type of image The default value is e_default

Declaration

public void SetDownsampleMode(Optimizer.ImageSettings.DownsampleMode mode)

Parameters

Type	Name	Description
Optimizer.ImageSettings.DownsampleMode	mode	the downloadsample mode to set

SetImageDPI(double, double)

Sets the maximum and resampling dpi for images. By default these are set to 144 and 96 respectively.

Declaration

public void SetImageDPI(double maximum, double resampling)

Parameters

Type	Name	Description
double	maximum	the highest dpi of an image before it will be resampled
double	resampling	resampling the image dpi to resample to if an image is encountered over the maximum dpi

SetQuality(int)

Declaration

public void SetQuality(int quality)

Parameters

Type	Name	Description
int	quality