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// SPDX-FileCopyrightText: 2015 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <cmath>
#include <QPainter>
#include "yuzu/util/util.h"
#ifdef _WIN32
#include <windows.h>
#include "common/fs/file.h"
#endif
QFont GetMonospaceFont() {
QFont font(QStringLiteral("monospace"));
// Automatic fallback to a monospace font on on platforms without a font called "monospace"
font.setStyleHint(QFont::Monospace);
font.setFixedPitch(true);
return font;
}
QString ReadableByteSize(qulonglong size) {
static constexpr std::array units{"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
if (size == 0) {
return QStringLiteral("0");
}
const int digit_groups = std::min(static_cast<int>(std::log10(size) / std::log10(1024)),
static_cast<int>(units.size()));
return QStringLiteral("%L1 %2")
.arg(size / std::pow(1024, digit_groups), 0, 'f', 1)
.arg(QString::fromUtf8(units[digit_groups]));
}
QPixmap CreateCirclePixmapFromColor(const QColor& color) {
QPixmap circle_pixmap(16, 16);
circle_pixmap.fill(Qt::transparent);
QPainter painter(&circle_pixmap);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(color);
painter.setBrush(color);
painter.drawEllipse({circle_pixmap.width() / 2.0, circle_pixmap.height() / 2.0}, 7.0, 7.0);
return circle_pixmap;
}
bool SaveIconToFile(const QImage& image, const std::filesystem::path& icon_path) {
#if defined(WIN32)
#pragma pack(push, 2)
struct IconDir {
WORD id_reserved;
WORD id_type;
WORD id_count;
};
struct IconDirEntry {
BYTE width;
BYTE height;
BYTE color_count;
BYTE reserved;
WORD planes;
WORD bit_count;
DWORD bytes_in_res;
DWORD image_offset;
};
#pragma pack(pop)
const QImage source_image = image.convertToFormat(QImage::Format_RGB32);
constexpr std::array<int, 7> scale_sizes{256, 128, 64, 48, 32, 24, 16};
constexpr int bytes_per_pixel = 4;
const IconDir icon_dir{
.id_reserved = 0,
.id_type = 1,
.id_count = static_cast<WORD>(scale_sizes.size()),
};
Common::FS::IOFile icon_file(icon_path.string(), Common::FS::FileAccessMode::Write,
Common::FS::FileType::BinaryFile);
if (!icon_file.IsOpen()) {
return false;
}
if (!icon_file.Write(icon_dir)) {
return false;
}
std::size_t image_offset = sizeof(IconDir) + (sizeof(IconDirEntry) * scale_sizes.size());
for (std::size_t i = 0; i < scale_sizes.size(); i++) {
const int image_size = scale_sizes[i] * scale_sizes[i] * bytes_per_pixel;
const IconDirEntry icon_entry{
.width = static_cast<BYTE>(scale_sizes[i]),
.height = static_cast<BYTE>(scale_sizes[i]),
.color_count = 0,
.reserved = 0,
.planes = 1,
.bit_count = bytes_per_pixel * 8,
.bytes_in_res = static_cast<DWORD>(sizeof(BITMAPINFOHEADER) + image_size),
.image_offset = static_cast<DWORD>(image_offset),
};
image_offset += icon_entry.bytes_in_res;
if (!icon_file.Write(icon_entry)) {
return false;
}
}
for (std::size_t i = 0; i < scale_sizes.size(); i++) {
const QImage scaled_image = source_image.scaled(
scale_sizes[i], scale_sizes[i], Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
const BITMAPINFOHEADER info_header{
.biSize = sizeof(BITMAPINFOHEADER),
.biWidth = scaled_image.width(),
.biHeight = scaled_image.height() * 2,
.biPlanes = 1,
.biBitCount = bytes_per_pixel * 8,
.biCompression = BI_RGB,
.biSizeImage{},
.biXPelsPerMeter{},
.biYPelsPerMeter{},
.biClrUsed{},
.biClrImportant{},
};
if (!icon_file.Write(info_header)) {
return false;
}
for (int y = 0; y < scaled_image.height(); y++) {
const auto* line = scaled_image.scanLine(scaled_image.height() - 1 - y);
std::vector<u8> line_data(scaled_image.width() * bytes_per_pixel);
std::memcpy(line_data.data(), line, line_data.size());
if (!icon_file.Write(line_data)) {
return false;
}
}
}
icon_file.Close();
return true;
#elif defined(__linux__) || defined(__FreeBSD__)
// Convert and write the icon as a PNG
if (!image.save(QString::fromStdString(icon_path.string()))) {
LOG_ERROR(Frontend, "Could not write icon as PNG to file");
} else {
LOG_INFO(Frontend, "Wrote an icon to {}", icon_path.string());
}
return true;
#else
return false;
#endif
}
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