Inside Macintosh: QuickDraw GX Objects /

Chapter 8 - Tag Objects

Summary of Tag Objects

C Summary

Functions

Creating and Manipulating Tag Objects

gxTag GXNewTag		(long tagType, long length, const void *data);
void GXDisposeTag	(gxTag target);
gxTag GXCopyToTag	(gxTag target, gxTag source);
boolean GXEqualTag	(gxTag one, gxTag two);
gxTag GXCloneTag	(gxTag source);

Manipulating Tag Object Properties

long GXGetTag		(gxTag source, long *tagType, void *data);
void GXSetTag		(gxTag target, long tagType, long length, 
			const void *data);
long GXGetTagOwners	(gxTag source);

Directly Manipulating the Data in a Tag Object

void GXLockTag		(gxTag target);
void GXUnlockTag	(gxTag target);
void *GXGetTagStructure	(gxTag source, long *length);