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- /*
- File: GDevice.h
-
- Contains: TGDevice is a GDevice utility class, finding out GDevice information.
- GDevice.h contains the header file information for the TGDevice class.
-
- Written by: Kent Sandvik
-
- Copyright: Copyright © 1992-1999 by Apple Computer, Inc., All Rights Reserved.
-
- You may incorporate this Apple sample source code into your program(s) without
- restriction. This Apple sample source code has been provided "AS IS" and the
- responsibility for its operation is yours. You are not permitted to redistribute
- this Apple sample source code as "Apple sample source code" after having made
- changes. If you're going to re-distribute the source, we require that you make
- it clear in the source that the code was descended from Apple sample source
- code, but that you've made changes.
-
- Change History (most recent first):
- 8/18/1999 Karl Groethe Updated for Metrowerks Codewarror Pro 2.1
-
-
- */
- // Declare label for this header file
- #ifndef _GDEVICE_
- #define _GDEVICE_
-
- #ifndef _DTSCPLUSLIBRARY_
- #include "DTSCPlusLibrary.h"
- #endif
-
- // Toolbox Include Files
- #ifndef __TOOLUTILS__
- #include <ToolUtils.h>
- #endif
-
- #ifndef __QUICKDRAW__
- #include <Quickdraw.h>
- #endif
-
-
- // _________________________________________________________________________________________________________ //
- // Class Interface
-
- class TGDevice
- // TGDevice is a simple information class which will provide GDevice information, style
- // base address of the GDevice, the rowbytes information, and the depth of each
- // screen connected to the system. It will wrap around at the end of the GDList
- // to the first GDevice.
- {
- public:
- // CONSTRUCTORS & DESTRUCTORS
- TGDevice(); // basic constructor
- virtual~ TGDevice(); // virtual destructor
-
- // ITERATORS
- virtual void Next(); // get next GDevice
- virtual void First(); // first value
- virtual Boolean Last() const; // last GDevice?
-
- // PUBLIC ACCESSORS AND MUTATORS
- virtual Ptr GetBase() const; // get address to base
- virtual long GetRow() const; // get N row value
- virtual short GetDepth() const; // get depth value
- protected:
- virtual void GetGDeviceValues(); // get the GDevice values
-
- protected:
- // INITIATION ROUTINES
- virtual Boolean IGDevice(); // initialize needed class information
-
- private:
- // FIELDS
- GDHandle fGDList; // the list of GDevices in the system
- GDHandle fFirstGDList; // the first one we encounter (used for wrap)
- Boolean fState; // state for the class
- Boolean fFirstTime; // signals constructor state
- Boolean fLast; // used to signal the last entry
- Ptr fBase; // base address of the GDevice
- long fRow; // row information
- short fDepth; // depth information
- };
-
-
- #endif
-
- // _________________________________________________________________________________________________________ //
-
-
- /* Change History (most recent last):
- No Init. Date Comment
- 1 khs 6/2/92 New file
- 2 khs 7/5/92 First decent release
- 3 khs 9/7/92 Changed the structure of the classes
- */
-
-
-