OpenTTD-patches/src/os/windows/font_win32.h

44 lines
1.8 KiB
C++

/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file font_win32.h Functions related to font handling on Win32. */
#ifndef FONT_WIN32_H
#define FONT_WIN32_H
#include "../../fontcache/truetypefontcache.h"
#include "win32.h"
/** Font cache for fonts that are based on a Win32 font. */
class Win32FontCache : public TrueTypeFontCache {
private:
LOGFONT logfont; ///< Logical font information for selecting the font face.
HFONT font = nullptr; ///< The font face associated with this font.
HDC dc = nullptr; ///< Cached GDI device context.
HGDIOBJ old_font; ///< Old font selected into the GDI context.
SIZE glyph_size; ///< Maximum size of regular glyphs.
std::string fontname; ///< Cached copy of loaded font facename
void SetFontSize(FontSize fs, int pixels);
protected:
const void *InternalGetFontTable(uint32 tag, size_t &length) override;
const Sprite *InternalGetGlyph(GlyphID key, bool aa) override;
public:
Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels);
~Win32FontCache();
void ClearFontCache() override;
GlyphID MapCharToGlyph(WChar key) override;
const char *GetFontName() override { return this->fontname.c_str(); }
const void *GetOSHandle() override { return &this->logfont; }
};
void LoadWin32Font(FontSize fs);
#endif /* FONT_WIN32_H */