Core Function - Imageservice funktion library

The core functions of the imageservice provide the fundamental basic tools for working on pictures in the onion.net Template System. The namespace referencing of http://onionworks.net/2006/imageservice is necessary for using these functions.

Namespace: http://onionworks.net/2006/imageservice
NameParameterReturn typeDescription
addPaletteColor workspace:nodeset
index:number
color:nodeset		 number Adds a colour at a certain position in the colour table of a picture.
applyCommand workspaceOrImage:nodeset
imageCommand:nodeset		 void Executes commands for changing the picture information or form.
createColor [alpha:number]
red:number
green:number
blue:number		 nodeset Creates a colour on the basis of the hexadecimal colour code or of an RGB value.
createFont familyName:string
size:number		 nodeset Specifies a character font.
createImage target:xlink
[fromDataSource:boolean]		 nodeset Creates an image object from the picture data.
createPen nodeset Creates a pen as a drawing element.
createPoint x:number
y:number		 nodeset Creates points.
createRectangle x:number
y:number
width:number
height:number		 nodeset Creates rectangles.
createSize width:number
height:number		 nodeset Creates a size object.
createSolidFill [alpha:number]
red:number
green:number
blue:number		 nodeset Creates a full colour for filling drawing elements.
createTextFormat alignment:string
angle:number
interCharacterSpace:number		 nodeset Aligns text elements which can be drawn with the method “drawText” of the Canvas Library.
createWorkspace target:xlink nodeset Creates a workspace on the basis of existing picture data or via a space indication.
extractMetadata target:xlink
type:string
[fromDataSource:boolean]		 nodeset Reads out the meta data from picture data.
getColorFromPosition target:xlink
[fromDataSource:boolean]
x:number
y:number		 nodeset Reads out the colour of a pixel from an existing picture.
getPixel workspace:nodeset
x:number
y:number		 nodeset Determines the colour of a certain pixel of a workspace.
getPixelIndex workspace:nodeset
x:number
y:number		 nodeset Determines the colour palette index of the colour at a certain pixel.
loadFont target:xlink
fromDataSource:boolean
size:number		 nodeset Loads a character font from a file.
setPixel workspace:nodeset
x:number
y:number
color:nodeset		 void Allocates a colour value to a pixel in a workspace.
setPixelIndex workspace:nodeset
x:number
y:number
index:number		 void Sets the colour palette index of the colour at a certain pixel.
setProperty obj:nodeset
propertyName:string
value:any		 void Sets or overwrites the properties of objects.
writeWorkspace workspace:nodeset
encoder:nodeset		 void Writes the content of a workspace into the binary output stream.