Document Revision History

This table describes the changes to CGImage Reference.

DateNotes
2010-08-03Clarified that the decode matrix must also include entries for the alpha channel, if one is present.
2008-04-08Added a cross reference to Quartz 2D Programming Guide.
2007-10-31Updated for OS X v10.5.
 

All instances of the float data type were changed to the CGFloat data type.

 

Added information to CGImageCreateWithMaskingColors.

2006-01-10Changed CGImageBitmapInfo to CGBitmapInfo and updated the associated constants.
2005-07-07 Added documentation for Quartz constants that specify byte ordering of pixel formats.
2005-04-29 Made minor editorial corrections.
 Updated for OS X v10.4.
 

Added the functions CGImageCreateWithImageInRect, CGImageCreateWithMask, CGImageCreateWithMaskingColors, CGImageGetBitmapInfo, and CGImageCreateCopy.

 

Added “Image Bitmap Information” constants.

2004-08-31

Added introductory material.

2004-02-26

First version of this document. An earlier version of this information appeared in Quartz 2D Reference.