Programmer's Reference

Basic graphics context methods

A brief summary of the main methods that apply to graphics contexts follows. There are convenience methods for setting individual attributes of a graphics context. These methods are described later in this section.

createGC:values:
Create and initialize a graphics context.

changeGC:values:
Change a group of graphics context attributes.

copyGC:dest:
Copy a group of graphics context attributes to another graphics context.

getGCValues:valuesReturn:
Retrieve a group of graphics context attributes from a graphics context.

freeGC
Free the resources allocated to the graphics context.


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