e25d0ac8e6
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10595 a95241bf-73f2-0310-859d-f6bbb57e9c96
167 lines
4.7 KiB
C++
167 lines
4.7 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: FontFamily.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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// Description: classes to represent font styles and families
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//
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//------------------------------------------------------------------------------
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#ifndef FONT_FAMILY_H_
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#define FONT_FAMILY_H_
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#include <String.h>
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#include <Rect.h>
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#include <Font.h>
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#include <List.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include "SharedObject.h"
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class FontFamily;
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class ServerFont;
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enum font_format
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{
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FONT_TRUETYPE=0,
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FONT_TYPE_1,
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FONT_OPENTYPE,
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FONT_BDF,
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FONT_CFF,
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FONT_CID,
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FONT_PCF,
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FONT_PFR,
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FONT_SFNT,
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FONT_TYPE_42,
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FONT_WINFONT,
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};
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//! data structure used by the FreeType cache manager
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typedef struct CachedFaceRec_
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{
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BString file_path;
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int face_index;
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} CachedFaceRec, *CachedFace;
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/*!
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\class FontStyle FontFamily.h
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\brief Object used to represent a font style
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FontStyle objects help abstract a lot of the font engine details while
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still offering plenty of information the style in question.
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*/
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class FontStyle : public SharedObject
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{
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public:
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FontStyle(const char *filepath, FT_Face face);
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~FontStyle(void);
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ServerFont *Instantiate(float size, float rotation=0.0, float shear=90.0);
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/*!
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\fn bool FontStyle::IsFixedWidth(void)
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\brief Determines whether the font's character width is fixed
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\return true if fixed, false if not
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*/
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bool IsFixedWidth(void) { return is_fixedwidth; }
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/*!
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\fn bool FontStyle::IsScalable(void)
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\brief Determines whether the font can be scaled to any size
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\return true if scalable, false if not
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*/
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bool IsScalable(void) { return is_scalable; }
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/*!
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\fn bool FontStyle::HasKerning(void)
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\brief Determines whether the font has kerning information
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\return true if kerning info is available, false if not
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*/
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bool HasKerning(void) { return has_kerning; }
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/*!
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\fn bool FontStyle::HasTuned(void)
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\brief Determines whether the font contains strikes
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\return true if it has strikes included, false if not
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*/
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bool HasTuned(void) { return has_bitmaps; }
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/*!
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\fn bool FontStyle::TunedCount(void)
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\brief Returns the number of strikes the style contains
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\return The number of strikes the style contains
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*/
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int32 TunedCount(void) { return tunedcount; }
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/*!
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\fn bool FontStyle::GlyphCount(void)
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\brief Returns the number of glyphs in the style
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\return The number of glyphs the style contains
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*/
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uint16 GlyphCount(void) { return glyphcount; }
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/*!
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\fn bool FontStyle::CharMapCount(void)
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\brief Returns the number of character maps the style contains
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\return The number of character maps the style contains
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*/
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uint16 CharMapCount(void) { return charmapcount; }
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const char *Name(void);
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FontFamily *Family(void) { return family; }
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FT_Face GetFace(void);
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const char *GetPath(void);
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int16 ConvertToUnicode(uint16 c);
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protected:
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friend class FontFamily;
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FontFamily *family;
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uint16 glyphcount, charmapcount;
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BString *name, *path;
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BList *instances;
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bool is_fixedwidth, is_scalable, has_kerning, has_bitmaps;
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int32 tunedcount;
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CachedFace cachedface;
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uint8 format;
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BRect fbounds;
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};
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/*!
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\class FontFamily FontFamily.h
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\brief Class representing a collection of similar styles
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FontFamily objects bring together many styles of the same face, such as
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Arial Roman, Arial Italic, Arial Bold, etc.
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*/
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class FontFamily : public SharedObject
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{
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public:
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FontFamily(const char *namestr);
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~FontFamily(void);
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const char *Name(void);
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void AddStyle(const char *path, FT_Face face);
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void RemoveStyle(const char *style);
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bool HasStyle(const char *style);
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int32 CountStyles(void);
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const char *GetStyle(int32 index);
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FontStyle *GetStyle(const char *style);
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protected:
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BString *name;
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BList *styles;
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};
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#endif
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