OpenTTD Source  14.0-beta1
font_win32.h
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #ifndef FONT_WIN32_H
11 #define FONT_WIN32_H
12 
13 #include "../../fontcache/truetypefontcache.h"
14 #include "win32.h"
15 
16 #include <windows.h>
17 
20 private:
21  LOGFONT logfont;
22  HFONT font = nullptr;
23  HDC dc = nullptr;
24  HGDIOBJ old_font;
25  SIZE glyph_size;
26  std::string fontname;
27 
28  void SetFontSize(int pixels);
29 
30 protected:
31  const void *InternalGetFontTable(uint32_t tag, size_t &length) override;
32  const Sprite *InternalGetGlyph(GlyphID key, bool aa) override;
33 
34 public:
35  Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels);
36  ~Win32FontCache();
37  void ClearFontCache() override;
38  GlyphID MapCharToGlyph(char32_t key, bool allow_fallback = true) override;
39  std::string GetFontName() override { return this->fontname; }
40  const void *GetOSHandle() override { return &this->logfont; }
41 };
42 
43 void LoadWin32Font(FontSize fs);
44 void LoadWin32Font(FontSize fs, const std::string &file_name, uint size);
45 
46 #endif /* FONT_WIN32_H */
Win32FontCache::Win32FontCache
Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels)
Create a new Win32FontCache.
Definition: font_win32.cpp:128
TrueTypeFontCache
Font cache for fonts that are based on a TrueType font.
Definition: truetypefontcache.h:22
Win32FontCache::old_font
HGDIOBJ old_font
Old font selected into the GDI context.
Definition: font_win32.h:24
win32.h
Win32FontCache::font
HFONT font
The font face associated with this font.
Definition: font_win32.h:22
LoadWin32Font
void LoadWin32Font(FontSize fs)
Loads the GDI font.
Definition: font_win32.cpp:386
Win32FontCache::dc
HDC dc
Cached GDI device context.
Definition: font_win32.h:23
Win32FontCache::ClearFontCache
void ClearFontCache() override
Reset cached glyphs.
Definition: font_win32.cpp:204
GlyphID
uint32_t GlyphID
Glyphs are characters from a font.
Definition: fontcache.h:17
FontCache::fs
const FontSize fs
The size of the font.
Definition: fontcache.h:25
Win32FontCache::logfont
LOGFONT logfont
Logical font information for selecting the font face.
Definition: font_win32.h:21
Win32FontCache
Font cache for fonts that are based on a Win32 font.
Definition: font_win32.h:19
Win32FontCache::GetFontName
std::string GetFontName() override
Get the name of this font.
Definition: font_win32.h:39
Win32FontCache::MapCharToGlyph
GlyphID MapCharToGlyph(char32_t key, bool allow_fallback=true) override
Map a character into a glyph.
Definition: font_win32.cpp:285
Win32FontCache::glyph_size
SIZE glyph_size
Maximum size of regular glyphs.
Definition: font_win32.h:25
Win32FontCache::GetOSHandle
const void * GetOSHandle() override
Get the native OS font handle, if there is one.
Definition: font_win32.h:40
FontSize
FontSize
Available font sizes.
Definition: gfx_type.h:202
Sprite
Data structure describing a sprite.
Definition: spritecache.h:17
Win32FontCache::fontname
std::string fontname
Cached copy of loaded font facename.
Definition: font_win32.h:26