Inside Macintosh: QuickDraw GX Graphics /

Chapter 3 - Geometric Styles / Geometric Styles Reference

Functions / Getting and Setting the Pen Width

GXGetShapePen

You can use the GXGetShapePen function to determine the pen width of the style object associated with a particular shape.

Fixed GXGetShapePen(gxShape source);

source

A reference to the shape whose pen width you want to determine.

function result

The pen width of the source shape's style object.

DESCRIPTION

A pen width of 0.0 indicates a hairline width; QuickDraw GX always draws hairlines one pixel wide.

ERRORS, WARNINGS, AND NOTICES

Errors
out_of_memory
shape_is_nil

SEE ALSO

For a discussion of the drawing pen, see "The Geometric Pen" on page 3-15.

For an example of changing a shape's pen width, see "Manipulating Pen Width and Placement" on page 3-51.

To determine the pen width of a style object, use the GXGetStylePen function, which is described on page 3-119. To change the pen width of a style object, use the GXSetStylePen function, which is described on page 3-120.

To change the pen width of a style object associated with a particular shape, use the GXSetShapePen function, which is described in the next section.

Main | Page One | What's New | Apple Computer, Inc. | Find It | Contact Us | Help