GU/GU_FontTable.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        UT library (C++)
 *
 * COMMENTS:    Class which contains the font table for Houdini apps
 *
 */

#ifndef __GU_FontTable_h__
#define __GU_FontTable_h__

#include "GU_API.h"
#include <sys/types.h>
#include <UT/UT_String.h>
#include <UT/UT_PtrArray.h>

class UT_PathSearch;
class UT_Interrupt;

class GU_API GU_FontEntry {
public:
    GU_FontEntry(const char *path, const char *name);

    const char  *getPath() const        { return myPath; }
    const char  *getName() const        { return myName; }

private:
    UT_String   myPath;         // Path where the font can be found
    UT_String   myName;         // Real name of the font
};


class GU_API GU_FontTable {
public:
    GU_FontTable();
   ~GU_FontTable();

//
//  Methods return -1 on failure to load/save
    int          save();        // This automatically knows where to save
    void         setIndexFile(const char *path);

    int          getNPaths() const      { return 1; }
    const char  *getPath() const        { return myIndexFile; }

//
//  Methods return 0 if the path is not a valid font file
    int         addFont(const char *path, int trim_to_path=1, int verbose=0);
    void        removeFont(int which);
    void        removeFont(const char *fontName, const char *path = 0);

    // Scan font path searching for fonts.
    int         rescanFontPath(UT_Interrupt *boss, int verbose);

    void        updateIfNeeded();

    const UT_PtrArray<GU_FontEntry *>   &getTable() const { return myTable; }

private:
    void                 getPaths();
    const GU_FontEntry  *findFontPath(const char *path);
    const GU_FontEntry  *findFontName(const char *name);
    int                  loadTable(const char *path);
    int                  saveTable(const char *path, int append=1);
    void                 clearTable();

private:
    UT_PtrArray<GU_FontEntry *>  myTable;
    UT_String                    myIndexFile;
    const UT_PathSearch         *myPathSearch;
    time_t                       myIndexTimeStamp;
    int                          myModified;
};

#endif

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