mirror of
https://github.com/OpenTTD/OpenTTD.git
synced 2026-07-24 03:56:43 +00:00
Peter Nelson
1829f7926d
The text layouter system can now support using different fonts for different glyphs, including mixing scalable and sprite glyphs.
84 lines
2.5 KiB
C++
84 lines
2.5 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 truetypefontcache.cpp Common base implementation for font file based font caches. */
|
|
|
|
#include "../stdafx.h"
|
|
#include "../debug.h"
|
|
#include "../fontcache.h"
|
|
#include "../core/bitmath_func.hpp"
|
|
#include "../gfx_layout.h"
|
|
#include "truetypefontcache.h"
|
|
|
|
#include "../safeguards.h"
|
|
|
|
/**
|
|
* Create a new TrueTypeFontCache.
|
|
* @param fs The font size that is going to be cached.
|
|
* @param pixels The number of pixels this font should be high.
|
|
*/
|
|
TrueTypeFontCache::TrueTypeFontCache(FontSize fs, int pixels) : FontCache(fs), req_size(pixels)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Free everything that was allocated for this font cache.
|
|
*/
|
|
TrueTypeFontCache::~TrueTypeFontCache()
|
|
{
|
|
/* Virtual functions get called statically in destructors, so make it explicit to remove any confusion. */
|
|
this->TrueTypeFontCache::ClearFontCache();
|
|
}
|
|
|
|
/**
|
|
* Reset cached glyphs.
|
|
*/
|
|
void TrueTypeFontCache::ClearFontCache()
|
|
{
|
|
this->glyph_to_sprite_map.clear();
|
|
Layouter::ResetFontCache(this->fs);
|
|
}
|
|
|
|
|
|
TrueTypeFontCache::GlyphEntry *TrueTypeFontCache::GetGlyphPtr(GlyphID key)
|
|
{
|
|
auto found = this->glyph_to_sprite_map.find(key);
|
|
if (found == std::end(this->glyph_to_sprite_map)) return nullptr;
|
|
return &found->second;
|
|
}
|
|
|
|
TrueTypeFontCache::GlyphEntry &TrueTypeFontCache::SetGlyphPtr(GlyphID key, GlyphEntry &&glyph)
|
|
{
|
|
this->glyph_to_sprite_map[key] = std::move(glyph);
|
|
return this->glyph_to_sprite_map[key];
|
|
}
|
|
|
|
bool TrueTypeFontCache::GetDrawGlyphShadow()
|
|
{
|
|
return this->fs == FS_NORMAL && GetFontAAState();
|
|
}
|
|
|
|
uint TrueTypeFontCache::GetGlyphWidth(GlyphID key)
|
|
{
|
|
GlyphEntry *glyph = this->GetGlyphPtr(key);
|
|
if (glyph == nullptr || glyph->data == nullptr) {
|
|
this->GetGlyph(key);
|
|
glyph = this->GetGlyphPtr(key);
|
|
}
|
|
|
|
return glyph->width;
|
|
}
|
|
|
|
const Sprite *TrueTypeFontCache::GetGlyph(GlyphID key)
|
|
{
|
|
/* Check for the glyph in our cache */
|
|
GlyphEntry *glyph = this->GetGlyphPtr(key);
|
|
if (glyph != nullptr && glyph->data != nullptr) return glyph->GetSprite();
|
|
|
|
return this->InternalGetGlyph(key, GetFontAAState());
|
|
}
|