haiku/headers/private/servers/app/FontFamily.h
haydentech e25d0ac8e6 Change FT cache manager calls to conform to the new FreeType 2.1.8 API
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10595 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-01-06 18:29:02 +00:00

167 lines
4.7 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, Haiku, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: FontFamily.h
// Author: DarkWyrm <bpmagic@columbus.rr.com>
// Description: classes to represent font styles and families
//
//------------------------------------------------------------------------------
#ifndef FONT_FAMILY_H_
#define FONT_FAMILY_H_
#include <String.h>
#include <Rect.h>
#include <Font.h>
#include <List.h>
#include <ft2build.h>
#include FT_FREETYPE_H
#include "SharedObject.h"
class FontFamily;
class ServerFont;
enum font_format
{
FONT_TRUETYPE=0,
FONT_TYPE_1,
FONT_OPENTYPE,
FONT_BDF,
FONT_CFF,
FONT_CID,
FONT_PCF,
FONT_PFR,
FONT_SFNT,
FONT_TYPE_42,
FONT_WINFONT,
};
//! data structure used by the FreeType cache manager
typedef struct CachedFaceRec_
{
BString file_path;
int face_index;
} CachedFaceRec, *CachedFace;
/*!
\class FontStyle FontFamily.h
\brief Object used to represent a font style
FontStyle objects help abstract a lot of the font engine details while
still offering plenty of information the style in question.
*/
class FontStyle : public SharedObject
{
public:
FontStyle(const char *filepath, FT_Face face);
~FontStyle(void);
ServerFont *Instantiate(float size, float rotation=0.0, float shear=90.0);
/*!
\fn bool FontStyle::IsFixedWidth(void)
\brief Determines whether the font's character width is fixed
\return true if fixed, false if not
*/
bool IsFixedWidth(void) { return is_fixedwidth; }
/*!
\fn bool FontStyle::IsScalable(void)
\brief Determines whether the font can be scaled to any size
\return true if scalable, false if not
*/
bool IsScalable(void) { return is_scalable; }
/*!
\fn bool FontStyle::HasKerning(void)
\brief Determines whether the font has kerning information
\return true if kerning info is available, false if not
*/
bool HasKerning(void) { return has_kerning; }
/*!
\fn bool FontStyle::HasTuned(void)
\brief Determines whether the font contains strikes
\return true if it has strikes included, false if not
*/
bool HasTuned(void) { return has_bitmaps; }
/*!
\fn bool FontStyle::TunedCount(void)
\brief Returns the number of strikes the style contains
\return The number of strikes the style contains
*/
int32 TunedCount(void) { return tunedcount; }
/*!
\fn bool FontStyle::GlyphCount(void)
\brief Returns the number of glyphs in the style
\return The number of glyphs the style contains
*/
uint16 GlyphCount(void) { return glyphcount; }
/*!
\fn bool FontStyle::CharMapCount(void)
\brief Returns the number of character maps the style contains
\return The number of character maps the style contains
*/
uint16 CharMapCount(void) { return charmapcount; }
const char *Name(void);
FontFamily *Family(void) { return family; }
FT_Face GetFace(void);
const char *GetPath(void);
int16 ConvertToUnicode(uint16 c);
protected:
friend class FontFamily;
FontFamily *family;
uint16 glyphcount, charmapcount;
BString *name, *path;
BList *instances;
bool is_fixedwidth, is_scalable, has_kerning, has_bitmaps;
int32 tunedcount;
CachedFace cachedface;
uint8 format;
BRect fbounds;
};
/*!
\class FontFamily FontFamily.h
\brief Class representing a collection of similar styles
FontFamily objects bring together many styles of the same face, such as
Arial Roman, Arial Italic, Arial Bold, etc.
*/
class FontFamily : public SharedObject
{
public:
FontFamily(const char *namestr);
~FontFamily(void);
const char *Name(void);
void AddStyle(const char *path, FT_Face face);
void RemoveStyle(const char *style);
bool HasStyle(const char *style);
int32 CountStyles(void);
const char *GetStyle(int32 index);
FontStyle *GetStyle(const char *style);
protected:
BString *name;
BList *styles;
};
#endif