ImageContrastbrightness()

Adjusts the contrast and/or brightness

Usage

BOOLEAN = ImageContrastbrightness(
				
					
					
						name, 
					
				
					
					
						contrast, 
					
				
					
					
						brightness
					
				
				)

Argument	Summary
name	the image object
contrast	contrast value to apply
brightness	brightness value fo apply [optional]

Calling

Supports named-parameter calling allowing you to use the function like:

ImageContrastbrightness(
   name=?, 
   contrast=?, 
   brightness=?
);

Supports passing parameters as a structure using ArgumentCollection:

ImageContrastbrightness( ArgumentCollection={
   name : ?, 
   contrast : ?, 
   brightness : ?
} );

Extra

<cfset im  = ImageRead( "http://www.openbluedragon.org/images/logo.gif" )>

<cfset ImageContractBrightness( image=im, brightness=3 )>
<cfset b = ImageWriteBase64( image=im, format="jpg", inhtmlformat=true )>

<img src="<cfoutput>#b#</cfoutput>" />

ImageAddborder ImageBlur ImageClearrect ImageContrastbrightness ImageCopy ImageCrop ImageDrawarc ImageDrawbeveledrect ImageDrawline ImageDrawlines ImageDrawoval ImageDrawpoint ImageDrawrect ImageDrawroundrect ImageDrawtext ImageFlip ImageGetblob ImageGetbufferedimage ImageGetexifmetadata ImageGetexiftag ImageGetheight ImageGetwidth ImageGrayscale ImageInfo ImageNegative ImageNew ImagePaste ImageRead ImageReadbase64 ImageReflection ImageResize ImageRotate ImageSetantialiasing ImageSetbackgroundcolor ImageSetdrawingcolor ImageSharpen ImageWrite ImageWritebase64 ImageXordrawingmode IsImage ToDatauri

ImageContrastbrightness()

Usage

Calling

Extra

See Also