/*************************************************************************************

#

#       Proto.h

#

#       This file contains the prototypes for the apps procs and funcs

#

#       Author(s):  Michael Marinkovich & Guillermo Ortiz

#                   marink@apple.com

#

#       Modification History: 

#

#           4/3/96      MWM     Initial coding                   

#

#       Copyright © 1992-96 Apple Computer, Inc., All Rights Reserved

#

#

#       You may incorporate this sample code into your applications without

#       restriction, though the sample code has been provided "AS IS" and the

#       responsibility for its operation is 100% yours.  However, what you are

#       not permitted to do is to redistribute the source as "DSC Sample 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 Code, but that you've made changes.

#

*************************************************************************************/

#include <Displays.h>

#include <ImageCompression.h>

//----------------------------------------------------------------------

//

//  JPEG

//

//----------------------------------------------------------------------

OSErr           ReadJPEG(FSSpec spec, CGrafPtr *newWorld);

OSErr           ConvertJPEG(Handle image, CGrafPtr *newWorld);

OSErr           ReadJPEGHeader(short refNum, ImageDescriptionHandle desc, Rect *bounds);

UInt8           FindNextMarker(long refNum);

OSErr           HandleAPPOMarker(UInt8 marker, long refNum, ImageDescriptionHandle desc, Boolean *readingExtension);

OSErr           HandleSOFMarker(long refNum, ImageDescriptionHandle desc, Boolean readingExtension);

void            HandleSOSMarker(long refNum);

UInt8           ReadByte(short refNum);

UInt16          ReadWord(short refNum);

void            SkipLength(long refNum);

OSErr           NewJPEGWorld(GWorldPtr *theWorld, short depth, Rect theRect);

OSErr           SaveJPEG(WindowRef window);

pascal OSErr    DataUnloadProc(Ptr data, long bytesNeeded, long refCon);

pascal OSErr    DataLoadingProc(Ptr *data, long bytesNeeded, long refCon);

//----------------------------------------------------------------------

//

//  Aevt

//

//----------------------------------------------------------------------

OSErr           AEInit(void);

void            AEDispose(void);

pascal OSErr    DoAEOpenApp(AppleEvent *event, AppleEvent reply, long refCon);

pascal OSErr    DoAEQuitApp(AppleEvent *event, AppleEvent reply, long refCon);

pascal OSErr    DoAEOpenDoc(AppleEvent *event, AppleEvent reply, long refCon);

pascal OSErr    DoAEPrintDoc(AppleEvent *event, AppleEvent reply, long refCon);

OSErr           GotAEParams(AppleEvent *appleEvent);

//----------------------------------------------------------------------

//

//  Initialize

//

//----------------------------------------------------------------------

OSErr           Initialize(void);

void            ToolBoxInit(void);

void            CheckEnvironment(void);

OSErr           InitApp(void);

void            MenuSetup(void);

//----------------------------------------------------------------------

//

//  Main

//

//----------------------------------------------------------------------

void            HandleError(short errNo,Boolean fatal);

void            HandleAlert(short alertID);

//----------------------------------------------------------------------

//

//  Events

//

//----------------------------------------------------------------------

void            EventLoop(void);

short           MyGetSleep(void);

void            CustomWindowEvent(short eventType,WindowRef window,void *refCon);

void            DoEvent(EventRecord *event);

void            DoIdle(WindowRef window, void *refCon);

void            HandleMouseDown( EventRecord *event );

void            HandleMenuChoice( WindowRef window, void *refCon );

void            HandleContentClick( WindowRef window, void *refCon );

void            HandleZoomClick( WindowRef window, void *refCon );

void            HandleGrow(WindowRef window, void *refCon);

void            UpdateWindow(WindowRef window);

void            DoActivate(WindowRef window, void *refCon);

//----------------------------------------------------------------------

//

//  Windows

//

//----------------------------------------------------------------------

WindowPtr       CreateWindow(short resID, void *wStorage, Rect *bounds, Str255 title,

                            Boolean visible, short procID,short kind, WindowRef behind,

                            Boolean goAwayFlag,long refCon);

OSErr           RemoveWindow(WindowRef window);

void            NewWindowTitle(WindowRef window, Str255 str);

OSErr           InitWindowProcs(WindowRef window, short windKind);

GWorldPtr       PictToWorld(PicHandle pict, OSErr *rtnErr);

void            DrawWindow( WindowRef window, void *refCon );

void            DrawAboutWindow( WindowRef window, void *refCon );

void            DoResizeWindow (WindowRef window);

short           GetWindKind(WindowRef window);

Boolean         GetIsAppWindow(WindowRef window);

Boolean         GetIsAboutWindow( WindowRef window );

//----------------------------------------------------------------------

//

//  Displays

//

//----------------------------------------------------------------------

OSErr           InstallAEDMNotification(void);

pascal OSErr    WorldChangedProc(AppleEvent event,AppleEvent reply,long refCon);

OSErr           HandleNotification(AppleEvent *event);

OSErr           HandleDeviceChange(DisplayIDType displayID, Rect *newRect);

Boolean         OutOfBoundsRect(Rect windRect, Rect screenRect);

void            MoveInbounds(WindowRef window, GDHandle gd, Rect screenRect);

void            ResizeInbounds(WindowRef window, GDHandle gd, Rect screenRect);

GDHandle        GetGreatestDevice(WindowRef window);

void            ResetStdState(WindowRef window);

short           GetWTitleHeight(WindowRef window);

//----------------------------------------------------------------------

//

//  Scrolls

//

//----------------------------------------------------------------------

void            InstallScrollBars(WindowRef window, DocHnd doc);

void            AdjustScrollValues(WindowRef window);

void            AdjustScrollbars(WindowRef window, Boolean resize);

pascal void     ScrollActionProc(ControlRef control, short part);

void            ScrollPict(short hAmount,short vAmount,WindowRef window);

void            MyScrollPicture(WindowRef window, short hs, short vs);

void            GetContRect(WindowRef window,Rect *contRect);

//----------------------------------------------------------------------

//

//  Utils

//

//----------------------------------------------------------------------

void            DoOpenNew(void);    

PicHandle       ReadFile(FSSpec spec);

void            ZeroRect(Rect *r);

void            pstrcpy(StringPtr dst, StringPtr src);

void            pstrcat(StringPtr dst, StringPtr src);