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https://github.com/dolphin-emu/dolphin.git
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51e528e45f
Fixes dynamically changing dpi scaling. Load resources from svg if possible. Currently svg support is not in Qt build in Externals, and image files need to be added later.
118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
// Copyright 2015 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinQt/Resources.h"
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#include <QFileInfo>
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#include <QIcon>
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#include <QImageReader>
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#include <QPixmap>
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#include "Common/Assert.h"
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#include "Common/FileUtil.h"
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#include "Core/Config/MainSettings.h"
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#include "DolphinQt/Settings.h"
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bool Resources::m_svg_supported;
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QList<QIcon> Resources::m_platforms;
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QList<QIcon> Resources::m_countries;
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QList<QIcon> Resources::m_misc;
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QIcon Resources::LoadNamedIcon(std::string_view name, const QString& dir)
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{
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const QString base_path = dir + QLatin1Char{'/'} + QString::fromLatin1(name);
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const QString svg_path = base_path + QStringLiteral(".svg");
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// Prefer svg
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if (m_svg_supported && QFileInfo(svg_path).exists())
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return QIcon(svg_path);
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QIcon icon;
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auto load_png = [&](int scale) {
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QString suffix = QStringLiteral(".png");
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if (scale > 1)
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suffix = QString::fromLatin1("@%1x.png").arg(scale);
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QPixmap pixmap(base_path + suffix);
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if (!pixmap.isNull())
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{
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pixmap.setDevicePixelRatio(scale);
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icon.addPixmap(pixmap);
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}
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};
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// Since we are caching the files, we need to try and load all known sizes up-front.
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// Otherwise, a dynamic change of devicePixelRatio could result in use of non-ideal image from
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// cache while a better one exists on disk.
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for (auto scale : {1, 2, 4})
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load_png(scale);
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ASSERT(icon.availableSizes().size() > 0);
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return icon;
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}
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static QString GetCurrentThemeDir()
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{
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return QString::fromStdString(File::GetThemeDir(Config::Get(Config::MAIN_THEME_NAME)));
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}
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static QString GetResourcesDir()
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{
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return QString::fromStdString(File::GetSysDirectory() + "Resources");
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}
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QIcon Resources::GetResourceIcon(std::string_view name)
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{
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return LoadNamedIcon(name, GetResourcesDir());
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}
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QIcon Resources::GetThemeIcon(std::string_view name)
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{
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return LoadNamedIcon(name, GetCurrentThemeDir());
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}
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void Resources::Init()
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{
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m_svg_supported = QImageReader::supportedImageFormats().contains("svg");
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for (std::string_view platform :
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{"Platform_Gamecube", "Platform_Wii", "Platform_Wad", "Platform_File"})
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{
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m_platforms.append(GetResourceIcon(platform));
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}
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for (std::string_view country :
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{"Flag_Europe", "Flag_Japan", "Flag_USA", "Flag_Australia", "Flag_France", "Flag_Germany",
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"Flag_Italy", "Flag_Korea", "Flag_Netherlands", "Flag_Russia", "Flag_Spain", "Flag_Taiwan",
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"Flag_International", "Flag_Unknown"})
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{
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m_countries.append(GetResourceIcon(country));
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}
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m_misc.append(GetResourceIcon("nobanner"));
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m_misc.append(GetResourceIcon("dolphin_logo"));
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}
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QIcon Resources::GetPlatform(DiscIO::Platform platform)
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{
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return m_platforms[static_cast<int>(platform)];
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}
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QIcon Resources::GetCountry(DiscIO::Country country)
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{
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return m_countries[static_cast<int>(country)];
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}
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QIcon Resources::GetMisc(MiscID id)
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{
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return m_misc[static_cast<int>(id)];
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}
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QIcon Resources::GetAppIcon()
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{
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return GetMisc(MiscID::Logo);
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}
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