OpenTTD Source  20241121-master-g67a0fccfad
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 "../../core/alloc_type.hpp"
14 #include "../../fontcache/truetypefontcache.h"
15 #include "win32.h"
16 
17 #include <windows.h>
18 
21 private:
22  LOGFONT logfont;
23  HFONT font = nullptr;
24  HDC dc = nullptr;
25  HGDIOBJ old_font;
26  SIZE glyph_size;
27  std::string fontname;
28 
30 
31  void SetFontSize(int pixels);
32 
33 protected:
34  const Sprite *InternalGetGlyph(GlyphID key, bool aa) override;
35 
36 public:
37  Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels);
38  ~Win32FontCache();
39  void ClearFontCache() override;
40  GlyphID MapCharToGlyph(char32_t key, bool allow_fallback = true) override;
41  std::string GetFontName() override { return this->fontname; }
42  const void *GetOSHandle() override { return &this->logfont; }
43 };
44 
45 void LoadWin32Font(FontSize fs);
46 
47 #endif /* FONT_WIN32_H */
const FontSize fs
The size of the font.
Definition: fontcache.h:25
Font cache for fonts that are based on a TrueType font.
Font cache for fonts that are based on a Win32 font.
Definition: font_win32.h:20
HGDIOBJ old_font
Old font selected into the GDI context.
Definition: font_win32.h:25
std::string fontname
Cached copy of loaded font facename.
Definition: font_win32.h:27
const void * GetOSHandle() override
Get the native OS font handle, if there is one.
Definition: font_win32.h:42
HFONT font
The font face associated with this font.
Definition: font_win32.h:23
GlyphID MapCharToGlyph(char32_t key, bool allow_fallback=true) override
Map a character into a glyph.
Definition: font_win32.cpp:265
HDC dc
Cached GDI device context.
Definition: font_win32.h:24
void ClearFontCache() override
Reset cached glyphs.
Definition: font_win32.cpp:185
std::string GetFontName() override
Get the name of this font.
Definition: font_win32.h:41
LOGFONT logfont
Logical font information for selecting the font face.
Definition: font_win32.h:22
SIZE glyph_size
Maximum size of regular glyphs.
Definition: font_win32.h:26
Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels)
Create a new Win32FontCache.
Definition: font_win32.cpp:109
ReusableBuffer< uint8_t > render_buffer
Temporary buffer for rendering glyphs.
Definition: font_win32.h:29
void LoadWin32Font(FontSize fs)
Loads the GDI font.
Definition: font_win32.cpp:352
uint32_t GlyphID
Glyphs are characters from a font.
Definition: fontcache.h:17
FontSize
Available font sizes.
Definition: gfx_type.h:208
Data structure describing a sprite.
Definition: spritecache.h:17
declarations of functions for MS windows systems