Jump To:
Leopard Technical Q&As: Cocoa
Cocoa is an object-oriented application environment designed specifically for developing Mac OS X-only native applications. The Cocoa frameworks support rapid development and high productivity, and include a full-featured set of classes designed to create robust and powerful Mac OS X applications. Cocoa provides a set of classes that work together to make basic printing support easy and allow developers to provide the level of control their application needs in its printing behavior.

View all Printing Technical Q&As.
Document Descriptions
On Off
Display

Sort by
Title
Sorted by
Date
Gathering all PostScript Printer Descriptions (PPDs) (HTML)
QA1529: Describes a work around for an issue in PMCopyAvailablePPDs on Mac OS X 10.4 and below
2008-08-08
How to measure CG text (HTML)
QA1051: Explains how to measure Core Graphics text.
2007-08-02
Quartz 2D Thread Safety (HTML) (日本語 HTML)
QA1238: Explains the thread-safety issues for the Quartz 2D API.
2003-02-25
Quartz 2D Interpolation (HTML) (日本語 HTML)
QA1186: Explains how to control Quartz 2D's image interpolation.
2002-10-29
CGContextClosePath (HTML)
QA1046: Explains when you should call CGContextClosePath.
2001-10-02
Saving the current Core Graphics Path (HTML)
QA1056: Explains that the Core Graphics save and restore GState APIs do not affect the path.
2001-10-02
CGContext Bounds (HTML)
QA1048: Explains how to determine the bounds of a CGContext.
2001-07-02
CGContextAddLineToPoint, CGContextAddCurveToPoint, et. al. (HTML)
QA1049: Explains why the CGContextAddXYZ APIs don't draw anything immediately.
2001-07-02
Drawing a Path Multiple Times (HTML)
QA1047: Explains that path drawing operations consume the path.
2001-07-02
Turning Off Core Graphics Clipping (HTML)
QA1050: Explains how to clear the clipping path for a CGContext.
2001-07-02
Unexpected CG state changes (HTML)
QA1045: Explains why the Core Graphics drawing state sometimes changes for no apparent reason.
2001-07-02