mirror of
https://github.com/RGBCube/serenity
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119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/QuickSort.h>
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#include <LibCore/DirIterator.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/FontDatabase.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <stdlib.h>
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namespace Gfx {
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static FontDatabase* s_the;
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FontDatabase& FontDatabase::the()
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{
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if (!s_the)
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s_the = new FontDatabase;
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return *s_the;
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}
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struct FontDatabase::Private {
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HashMap<String, RefPtr<Gfx::Font>> full_name_to_font_map;
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};
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FontDatabase::FontDatabase()
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: m_private(make<Private>())
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{
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Core::DirIterator di("/res/fonts", Core::DirIterator::SkipDots);
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if (di.has_error()) {
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fprintf(stderr, "DirIterator: %s\n", di.error_string());
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exit(1);
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}
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while (di.has_next()) {
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String name = di.next_path();
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if (!name.ends_with(".font"))
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continue;
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auto path = String::format("/res/fonts/%s", name.characters());
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if (auto font = Gfx::Font::load_from_file(path)) {
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m_private->full_name_to_font_map.set(font->qualified_name(), font);
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}
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}
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}
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FontDatabase::~FontDatabase()
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{
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}
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void FontDatabase::for_each_font(Function<void(const Gfx::Font&)> callback)
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{
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Vector<RefPtr<Gfx::Font>> fonts;
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fonts.ensure_capacity(m_private->full_name_to_font_map.size());
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for (auto& it : m_private->full_name_to_font_map)
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fonts.append(it.value);
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quick_sort(fonts, [](auto& a, auto& b) { return a->qualified_name() < b->qualified_name(); });
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for (auto& font : fonts)
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callback(*font);
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}
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void FontDatabase::for_each_fixed_width_font(Function<void(const Gfx::Font&)> callback)
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{
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Vector<RefPtr<Gfx::Font>> fonts;
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fonts.ensure_capacity(m_private->full_name_to_font_map.size());
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for (auto& it : m_private->full_name_to_font_map) {
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if (it.value->is_fixed_width())
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fonts.append(it.value);
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}
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quick_sort(fonts, [](auto& a, auto& b) { return a->qualified_name() < b->qualified_name(); });
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for (auto& font : fonts)
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callback(*font);
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}
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RefPtr<Gfx::Font> FontDatabase::get_by_name(const StringView& name)
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{
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auto it = m_private->full_name_to_font_map.find(name);
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if (it == m_private->full_name_to_font_map.end()) {
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dbgln("Font lookup failed: '{}'", name);
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return nullptr;
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}
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return it->value;
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}
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RefPtr<Gfx::Font> FontDatabase::get(const String& family, unsigned size, unsigned weight)
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{
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for (auto& it : m_private->full_name_to_font_map) {
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auto& font = *it.value;
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if (font.family() == family && font.presentation_size() == size && font.weight() == weight)
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return font;
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}
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return nullptr;
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}
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}
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