ImageAppearance
Inheritance: java.lang.Object, com.groupdocs.signature.options.appearances.SignatureAppearance
public class ImageAppearance extends SignatureAppearance
Describes extended appearance features for Image Signature.
Constructors
| Constructor | Description | 
|---|---|
| ImageAppearance() | Create instance with default values. | 
Methods
| Method | Description | 
|---|---|
| getGrayscale() | Setup this flag to true if gray-scale filter is required. | 
| setGrayscale(boolean value) | Setup this flag to true if gray-scale filter is required. | 
| getBrightness() | Gets or sets image brightness. | 
| setBrightness(float value) | Gets or sets image brightness. | 
| getContrast() | Gets or sets image contrast. | 
| setContrast(float value) | Gets or sets image contrast. | 
| getGammaCorrection() | Gets or sets image gamma. | 
| setGammaCorrection(float value) | Gets or sets image gamma. | 
ImageAppearance()
public ImageAppearance()
Create instance with default values.
getGrayscale()
public final boolean getGrayscale()
Setup this flag to true if gray-scale filter is required.
Returns: boolean
setGrayscale(boolean value)
public final void setGrayscale(boolean value)
Setup this flag to true if gray-scale filter is required.
Parameters:
| Parameter | Type | Description | 
|---|---|---|
| value | boolean | 
getBrightness()
public final float getBrightness()
Gets or sets image brightness. Default value is 1 it corresponds to original brightness of image.
Returns: float
setBrightness(float value)
public final void setBrightness(float value)
Gets or sets image brightness. Default value is 1 it corresponds to original brightness of image.
Parameters:
| Parameter | Type | Description | 
|---|---|---|
| value | float | 
getContrast()
public final float getContrast()
Gets or sets image contrast. Default value is 1 it corresponds to original contrast of image.
Returns: float
setContrast(float value)
public final void setContrast(float value)
Gets or sets image contrast. Default value is 1 it corresponds to original contrast of image.
Parameters:
| Parameter | Type | Description | 
|---|---|---|
| value | float | 
getGammaCorrection()
public final float getGammaCorrection()
Gets or sets image gamma. Default value is 1 it corresponds to original gamma of image.
Returns: float
setGammaCorrection(float value)
public final void setGammaCorrection(float value)
Gets or sets image gamma. Default value is 1 it corresponds to original gamma of image.
Parameters:
| Parameter | Type | Description | 
|---|---|---|
| value | float |