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@ r26736:7ad626023660
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Location: cpp/openttd-patchpack/source/src/fontcache/truetypefontcache.cpp
r26736:7ad626023660
5.9 KiB
text/x-c
Update: Translations from eints
luxembourgish: 3 changes by phreeze83
hebrew: 125 changes by haimlm
luxembourgish: 3 changes by phreeze83
hebrew: 125 changes by haimlm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | /*
* 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 "../blitter/factory.hpp"
#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), glyph_to_sprite(nullptr)
{
}
/**
* 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();
for (auto &iter : this->font_tables) {
free(iter.second.second);
}
}
/**
* Reset cached glyphs.
*/
void TrueTypeFontCache::ClearFontCache()
{
if (this->glyph_to_sprite == nullptr) return;
for (int i = 0; i < 256; i++) {
if (this->glyph_to_sprite[i] == nullptr) continue;
for (int j = 0; j < 256; j++) {
if (this->glyph_to_sprite[i][j].duplicate) continue;
free(this->glyph_to_sprite[i][j].sprite);
}
free(this->glyph_to_sprite[i]);
}
free(this->glyph_to_sprite);
this->glyph_to_sprite = nullptr;
Layouter::ResetFontCache(this->fs);
}
TrueTypeFontCache::GlyphEntry *TrueTypeFontCache::GetGlyphPtr(GlyphID key)
{
if (this->glyph_to_sprite == nullptr) return nullptr;
if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) return nullptr;
return &this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)];
}
void TrueTypeFontCache::SetGlyphPtr(GlyphID key, const GlyphEntry *glyph, bool duplicate)
{
if (this->glyph_to_sprite == nullptr) {
Debug(fontcache, 3, "Allocating root glyph cache for size {}", this->fs);
this->glyph_to_sprite = CallocT<GlyphEntry*>(256);
}
if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) {
Debug(fontcache, 3, "Allocating glyph cache for range 0x{:02X}00, size {}", GB(key, 8, 8), this->fs);
this->glyph_to_sprite[GB(key, 8, 8)] = CallocT<GlyphEntry>(256);
}
Debug(fontcache, 4, "Set glyph for unicode character 0x{:04X}, size {}", key, this->fs);
this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].sprite = glyph->sprite;
this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].width = glyph->width;
this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].duplicate = duplicate;
}
bool TrueTypeFontCache::GetDrawGlyphShadow()
{
return this->fs == FS_NORMAL && GetFontAAState(FS_NORMAL);
}
uint TrueTypeFontCache::GetGlyphWidth(GlyphID key)
{
if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyphWidth(key);
GlyphEntry *glyph = this->GetGlyphPtr(key);
if (glyph == nullptr || glyph->sprite == nullptr) {
this->GetGlyph(key);
glyph = this->GetGlyphPtr(key);
}
return glyph->width;
}
const Sprite *TrueTypeFontCache::GetGlyph(GlyphID key)
{
if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyph(key);
/* Check for the glyph in our cache */
GlyphEntry *glyph = this->GetGlyphPtr(key);
if (glyph != nullptr && glyph->sprite != nullptr) return glyph->sprite;
if (key == 0) {
GlyphID question_glyph = this->MapCharToGlyph('?');
if (question_glyph == 0) {
/* The font misses the '?' character. Use built-in sprite.
* Note: We cannot use the baseset as this also has to work in the bootstrap GUI. */
#define CPSET { 0, 0, 0, 0, 1 }
#define CP___ { 0, 0, 0, 0, 0 }
static SpriteLoader::CommonPixel builtin_questionmark_data[10 * 8] = {
CP___, CP___, CPSET, CPSET, CPSET, CPSET, CP___, CP___,
CP___, CPSET, CPSET, CP___, CP___, CPSET, CPSET, CP___,
CP___, CP___, CP___, CP___, CP___, CPSET, CPSET, CP___,
CP___, CP___, CP___, CP___, CPSET, CPSET, CP___, CP___,
CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
CP___, CP___, CP___, CP___, CP___, CP___, CP___, CP___,
CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
};
#undef CPSET
#undef CP___
static const SpriteLoader::Sprite builtin_questionmark = {
10, // height
8, // width
0, // x_offs
0, // y_offs
ST_FONT,
SCC_PAL,
builtin_questionmark_data
};
Sprite *spr = BlitterFactory::GetCurrentBlitter()->Encode(&builtin_questionmark, SimpleSpriteAlloc);
assert(spr != nullptr);
GlyphEntry new_glyph;
new_glyph.sprite = spr;
new_glyph.width = spr->width + (this->fs != FS_NORMAL);
this->SetGlyphPtr(key, &new_glyph, false);
return new_glyph.sprite;
} else {
/* Use '?' for missing characters. */
this->GetGlyph(question_glyph);
glyph = this->GetGlyphPtr(question_glyph);
this->SetGlyphPtr(key, glyph, true);
return glyph->sprite;
}
}
return this->InternalGetGlyph(key, GetFontAAState(this->fs));
}
const void *TrueTypeFontCache::GetFontTable(uint32 tag, size_t &length)
{
const FontTable::iterator iter = this->font_tables.Find(tag);
if (iter != this->font_tables.data() + this->font_tables.size()) {
length = iter->second.first;
return iter->second.second;
}
const void *result = this->InternalGetFontTable(tag, length);
this->font_tables.Insert(tag, std::pair<size_t, const void *>(length, result));
return result;
}
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