impexp.h

Go to the documentation of this file.

/**********************************************************************
 *<
    FILE: impexp.h

    DESCRIPTION: Includes for importing and exporting geometry files

    CREATED BY: Tom Hudson

    HISTORY: Created 26 December 1994

 *> Copyright (c) 1994, All Rights Reserved.
 **********************************************************************/


#pragma once

#include <WTypes.h>
#include "maxheap.h"
#include "buildver.h"
#include "strbasic.h"

// forward declarations
class ImpInterface;
class ExpInterface;
class Interface;

// Returned by DoImport, DoExport
#define IMPEXP_FAIL 0
#define IMPEXP_SUCCESS 1
#define IMPEXP_CANCEL 2

// SceneImport::ZoomExtents return values
#define ZOOMEXT_NOT_IMPLEMENTED -1      // The default (uses Preferences value)
#define ZOOMEXT_YES             TRUE    // Zoom extents after import
#define ZOOMEXT_NO              FALSE   // No zoom extents

// The scene import/export classes.  Right now, these are very similar, but this may change as things develop

class SceneImport : public MaxHeapOperators
{
public:
    SceneImport() {};
    virtual ~SceneImport() {};

    virtual int             ExtCount() = 0;

    virtual const MCHAR *   Ext(int n) = 0;                 // Extension #n (i.e. "3DS")
    virtual const MCHAR *   LongDesc() = 0;                 // Long ASCII description (i.e. "Autodesk 3D Studio File")
    virtual const MCHAR *   ShortDesc() = 0;                // Short ASCII description (i.e. "3D Studio")
    virtual const MCHAR *   AuthorName() = 0;               // ASCII Author name

    virtual const MCHAR *   CopyrightMessage() = 0;         // ASCII Copyright message
    virtual const MCHAR *   OtherMessage1() = 0;            // Other message #1
    virtual const MCHAR *   OtherMessage2() = 0;            // Other message #2
    virtual unsigned int    Version() = 0;                  // Version number * 100 (i.e. v3.01 = 301)

    virtual void            ShowAbout(HWND hWnd) = 0;       // Show DLL's "About..." box

    virtual int             DoImport(const MCHAR *name,ImpInterface *ii,Interface *i, BOOL suppressPrompts=FALSE) = 0;  // Import file

    virtual int             ZoomExtents() { return ZOOMEXT_NOT_IMPLEMENTED; }   // Override this for zoom extents control
    };

// SceneExport::DoExport options flags:
#define SCENE_EXPORT_SELECTED (1<<0)

class SceneExport : public MaxHeapOperators
{
public:
    SceneExport() {};
    virtual ~SceneExport() {};
    virtual int             ExtCount() = 0;

    virtual const MCHAR *   Ext(int n) = 0;                 // Extension #n (i.e. "3DS")
    virtual const MCHAR *   LongDesc() = 0;                 // Long ASCII description (i.e. "Autodesk 3D Studio File")

    virtual const MCHAR *   ShortDesc() = 0;                // Short ASCII description (i.e. "3D Studio")

    virtual const MCHAR *   AuthorName() = 0;               // ASCII Author name
    virtual const MCHAR *   CopyrightMessage() = 0;         // ASCII Copyright message
    virtual const MCHAR *   OtherMessage1() = 0;            // Other message #1

    virtual const MCHAR *   OtherMessage2() = 0;            // Other message #2
    virtual unsigned int    Version() = 0;                  // Version number * 100 (i.e. v3.01 = 301)
    virtual void            ShowAbout(HWND hWnd) = 0;       // Show DLL's "About..." box

    virtual int             DoExport(const MCHAR *name,ExpInterface *ei,Interface *i, BOOL suppressPrompts=FALSE, DWORD options=0) = 0; // Export file

    virtual BOOL            SupportsOptions(int ext, DWORD options) { UNUSED_PARAM(ext); UNUSED_PARAM(options); return FALSE;} 
};