130 lines
4.3 KiB
C++
130 lines
4.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#ifndef FONTMANAGER_H
|
|
#define FONTMANAGER_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include <vgui/VGUI.h>
|
|
#include "vgui_surfacelib/FontAmalgam.h"
|
|
#include "materialsystem/imaterialsystem.h"
|
|
#include "filesystem.h"
|
|
#include "vguifont.h"
|
|
|
|
#ifdef LINUX
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
typedef void *(*FontDataHelper)( const char *pchFontName, int &size, const char *fontFileName );
|
|
#endif
|
|
|
|
#ifdef CreateFont
|
|
#undef CreateFont
|
|
#endif
|
|
|
|
|
|
using vgui::HFont;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Creates and maintains list of actively used fonts
|
|
//-----------------------------------------------------------------------------
|
|
class CFontManager
|
|
{
|
|
public:
|
|
CFontManager();
|
|
~CFontManager();
|
|
|
|
void SetLanguage(const char *language);
|
|
|
|
// clears the current font list, frees any resources
|
|
void ClearAllFonts();
|
|
|
|
HFont CreateFont();
|
|
bool SetFontGlyphSet(HFont font, const char *windowsFontName, int tall, int weight, int blur, int scanlines, int flags);
|
|
bool SetFontGlyphSet(HFont font, const char *windowsFontName, int tall, int weight, int blur, int scanlines, int flags, int nRangeMin, int nRangeMax);
|
|
bool SetBitmapFontGlyphSet(HFont font, const char *windowsFontName, float scalex, float scaley, int flags);
|
|
void SetFontScale(HFont font, float sx, float sy);
|
|
const char *GetFontName( HFont font );
|
|
const char *GetFontFamilyName( HFont font );
|
|
void GetCharABCwide(HFont font, int ch, int &a, int &b, int &c);
|
|
int GetFontTall(HFont font);
|
|
int GetFontTallRequested(HFont font);
|
|
int GetFontAscent(HFont font, wchar_t wch);
|
|
int GetCharacterWidth(HFont font, int ch);
|
|
bool GetFontUnderlined( HFont font );
|
|
void GetTextSize(HFont font, const wchar_t *text, int &wide, int &tall);
|
|
|
|
font_t *GetFontForChar(HFont, wchar_t wch);
|
|
bool IsFontAdditive(HFont font);
|
|
bool IsBitmapFont(HFont font );
|
|
|
|
void SetInterfaces( IFileSystem *pFileSystem, IMaterialSystem *pMaterialSystem )
|
|
{
|
|
m_pFileSystem = pFileSystem;
|
|
m_pMaterialSystem = pMaterialSystem;
|
|
}
|
|
IFileSystem *FileSystem() { return m_pFileSystem; }
|
|
IMaterialSystem *MaterialSystem() { return m_pMaterialSystem; }
|
|
|
|
#ifdef LINUX
|
|
FT_Library GetFontLibraryHandle() { return library; }
|
|
void SetFontDataHelper( FontDataHelper helper ) { m_pFontDataHelper = helper; }
|
|
#endif
|
|
|
|
#if defined( _X360 )
|
|
// secondary cache to speed TTF setup
|
|
bool GetCachedXUIMetrics( const char *pWindowsFontName, int tall, int style, XUIFontMetrics *pFontMetrics, XUICharMetrics charMetrics[256] );
|
|
void SetCachedXUIMetrics( const char *pWindowsFontName, int tall, int style, XUIFontMetrics *pFontMetrics, XUICharMetrics charMetrics[256] );
|
|
#endif
|
|
|
|
// used as a hint that intensive TTF operations are finished
|
|
void ClearTemporaryFontCache();
|
|
void GetKernedCharWidth( vgui::HFont font, wchar_t ch, wchar_t chBefore, wchar_t chAfter, float &wide, float &abcA, float &abcC );
|
|
|
|
private:
|
|
bool IsFontForeignLanguageCapable(const char *windowsFontName);
|
|
font_t *CreateOrFindWin32Font(const char *windowsFontName, int tall, int weight, int blur, int scanlines, int flags);
|
|
CBitmapFont *CreateOrFindBitmapFont(const char *windowsFontName, float scalex, float scaley, int flags);
|
|
const char *GetFallbackFontName(const char *windowsFontName);
|
|
const char *GetForeignFallbackFontName();
|
|
|
|
CUtlVector<CFontAmalgam> m_FontAmalgams;
|
|
CUtlVector<font_t *> m_Win32Fonts;
|
|
|
|
#ifdef LINUX
|
|
FT_Library library;
|
|
FontDataHelper m_pFontDataHelper;
|
|
#endif
|
|
char m_szLanguage[64];
|
|
IFileSystem *m_pFileSystem;
|
|
IMaterialSystem *m_pMaterialSystem;
|
|
|
|
#if defined( _X360 )
|
|
// These are really bounded by the number of fonts that the game would ever realistically create, so ~100 is expected.
|
|
// Many of these fonts are redundant and the same underlying metrics can be used. This avoid the very expensive TTF font metric lookup.
|
|
struct XUIMetricCache_t
|
|
{
|
|
// the font signature that can change
|
|
CUtlSymbol fontSymbol;
|
|
int tall;
|
|
int style;
|
|
|
|
// the metrics
|
|
XUIFontMetrics fontMetrics;
|
|
XUICharMetrics charMetrics[256];
|
|
};
|
|
CUtlVector< XUIMetricCache_t > m_XUIMetricCache;
|
|
#endif
|
|
};
|
|
|
|
// singleton accessor
|
|
extern CFontManager &FontManager();
|
|
|
|
|
|
#endif // FONTMANAGER_H
|