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/**[txh]********************************************************************
Copyright 1996-2002 by Salvador Eduardo Tropea (SET)
This file is covered by the GPL license.
Module: TVFontCollection
***************************************************************************/
#if defined(Uses_TVFontCollection) && !defined(TVFontCollection_Included)
#define TVFontCollection_Included 1
struct TVBitmapFont
{
int first, last; // Currently is barely supported. The range includes both ends.
unsigned lines; // Height
unsigned width; // Width in pixels
// --- Not in disk:
int wBytes; // Width in bytes. To avoid computing it all the time
uchar *fontFull; // last-first+1 chars
uchar *font; // 256 according to the code page
};
struct TVBitmapFontDesc
{
const char *name;
const char *file;
TStringCollection *sizes;
};
class CLY_EXPORT TVBitmapFontDescCol : public TStringCollection
{
public:
TVBitmapFontDescCol() : TStringCollection(8,4) {}
virtual void freeItem(void *item);
virtual void *keyOf(void *item);
};
class CLY_EXPORT TVBitmapFontDescLBox : public TSortedListBox
{
public:
TVBitmapFontDescLBox(const TRect& bounds, ushort aNumCols,
TScrollBar *aHScrollBar, TScrollBar *aVScrollBar,
Boolean aCenterOps=False) :
TSortedListBox(bounds,aNumCols,aHScrollBar,aVScrollBar,aCenterOps) {}
virtual void getText(char *dest, ccIndex item, short maxChars);
};
struct TVBitmapFontSize
{
unsigned w,h;
};
class CLY_EXPORT TVBitmapFontSizeCol : public TStringCollection
{
public:
TVBitmapFontSizeCol() : TStringCollection(3,3) {}
virtual int compare(void *key1, void *key2);
// do not use the default delete[]
virtual void freeItem(void *item) { delete (TVBitmapFontSize *)item; }
};
class CLY_EXPORT TVBitmapFontSizeLBox : public TSortedListBox
{
public:
TVBitmapFontSizeLBox(const TRect& bounds, ushort aNumCols,
TScrollBar *aHScrollBar, TScrollBar *aVScrollBar,
Boolean aCenterOps=False) :
TSortedListBox(bounds,aNumCols,aHScrollBar,aVScrollBar,aCenterOps) {}
virtual void getText(char *dest, ccIndex item, short maxChars);
};
class CLY_EXPORT TVFontCollection : public TNSCollection
{
public:
TVFontCollection(const char *file, int cp);
~TVFontCollection();
virtual void freeItem(void *item);
static void ReduceOne(uchar *dest, uchar *ori, int height, int wBytes, int num=256);
static void EnlargeOne(uchar *dest, uchar *ori, int height, int wBytes, int num=256);
uchar *GetFont(int width, int height);
void SetCodePage(int id);
int GetError() { return error; }
const char *GetFileName() { return fileName; }
const char *GetFontName() { return fontName; }
static TVBitmapFontDescCol *CreateListOfFonts(const char *dir, unsigned wmin=0,
unsigned wmax=256, unsigned hmin=0, unsigned hmax=256);
static void Size2Str(char *buffer, unsigned w, unsigned h);
static void Str2Size(const char *buffer, unsigned &w, unsigned &h);
protected:
static Boolean CheckForLines(void *item, void *arg);
static void CreateFont(void *item, void *arg);
const static char Signature[];
const static char SFTExtension[];
static int CheckSignature(FILE *f);
static char *ReadName(FILE *f);
static void ReadVersionNum(FILE *f, int *version, int *numfonts);
static unsigned ReadFontInfo(FILE *f, int version, TVBitmapFont *p);
static void Swap(int *value);
static void Swap(unsigned *value) { Swap((int *)value); };
static void Swap(uint16 *value);
// !=0 if the file was created with the reverse endian style.
// Only used during load.
static int invertEndian;
int error;
char *fileName;
char *fontName;
};
#endif
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