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