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diskfont

Index


AvailFonts() DisposeFontContents() NewFontContents() NewScaledDiskFont()
OpenDiskFont()      

AvailFonts()

Synopsis

LONG AvailFonts(
         STRPTR buffer,
         LONG bufBytes,
         LONG flags );

Function

Fill the supplied buffer with info about the available fonts.
The buffer will after function execution first contains a
struct AvailFontsHeader, and then an array of struct AvailFonts
element (or TAvailFonts elements if AFF_TAGGED is specified in the
flags parameter). If the buffer is not big enough for the
descriptions than the additional length needed will be returned.

Inputs

buffer    - pointer to a buffer in which the font descriptions
            should be placed.

bufBytes  - size of the supplied buffer.

flags     - flags telling what kind of fonts to load,
            for example AFF_TAGGED for tagged fonts also,
            AFF_MEMORY for fonts in memory, AFF_DISK for fonts
            on disk.

Result

shortage  - 0 if buffer was big enough or a number telling
            how much additional place is needed.

Notes

If the routine failes, then the afh_Numentries field
in the AvailFontsHeader will be 0.

DisposeFontContents()

Synopsis

VOID DisposeFontContents(
         struct FontContentsHeader * fontContentsHeader );

Function

Free a FontContents array obtained from NewFontContents().

Inputs

fontContentsHeader  --  Pointer to a struct FontContentsHeader got from
                        NewFontContents().

NewFontContents()

Synopsis

struct FontContentsHeader * NewFontContents(
         BPTR fontsLock,
         STRPTR fontName );

Function

Create an array of FontContents entries describing the fonts related
with 'fontName' -- this is those in the directory with the same name
as 'fontName' without the ".font" suffix.

Inputs

fontsLock  --  A lock on the FONTS: directory or another directory
               containing the font file and associated directory
               exists.
fontName   --  The font name (with the ".font" suffix).

Result

Pointer to a struct FontContentsHeader describing the font or NULL
if something went wrong.

NewScaledDiskFont()

Synopsis

struct DiskFont * NewScaledDiskFont(
         struct TextFont * sourceFont,
         struct TextAttr * destTextAttr );

OpenDiskFont()

Synopsis

struct TextFont * OpenDiskFont(
         struct TextAttr * textAttr );

Function

Tries to open the font specified by textAttr. If the font has allready
been loaded into memory, it will be opened with OpenFont(). Otherwise
OpenDiskFont() will try to load it from disk.

Inputs

textAttr - Description of the font to load. If the textAttr->ta_Style
                   FSF_TAGGED bit is set, it will be treated as a struct TTextAttr.

Result

Pointer to a struct TextFont on success, 0 on failure.

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