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yuzu: Save multiple resolutions per icon

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This commit is contained in:
Narr the Reg 2023-10-10 13:04:32 -06:00
parent b28b05e2aa
commit 6b10f04322
1 changed files with 52 additions and 27 deletions
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65
src/yuzu/util/util.cpp
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@ -63,25 +63,15 @@ bool SaveIconToFile(const std::string_view path, const QImage& image) {
}; };
#pragma pack(pop) #pragma pack(pop)
QImage source_image = image.convertToFormat(QImage::Format_RGB32); 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; constexpr int bytes_per_pixel = 4;
const int image_size = source_image.width() * source_image.height() * bytes_per_pixel;
BITMAPINFOHEADER info_header{}; const IconDir icon_dir{
info_header.biSize = sizeof(BITMAPINFOHEADER), info_header.biWidth = source_image.width(), .id_reserved = 0,
info_header.biHeight = source_image.height() * 2, info_header.biPlanes = 1, .id_type = 1,
info_header.biBitCount = bytes_per_pixel * 8, info_header.biCompression = BI_RGB; .id_count = static_cast<WORD>(scale_sizes.size()),
};
const IconDir icon_dir{.id_reserved = 0, .id_type = 1, .id_count = 1};
const IconDirEntry icon_entry{.width = static_cast<BYTE>(source_image.width()),
.height = static_cast<BYTE>(source_image.height() * 2),
.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 = sizeof(IconDir) + sizeof(IconDirEntry)};
Common::FS::IOFile icon_file(path, Common::FS::FileAccessMode::Write, Common::FS::IOFile icon_file(path, Common::FS::FileAccessMode::Write,
Common::FS::FileType::BinaryFile); Common::FS::FileType::BinaryFile);
@ -92,21 +82,56 @@ bool SaveIconToFile(const std::string_view path, const QImage& image) {
if (!icon_file.Write(icon_dir)) { if (!icon_file.Write(icon_dir)) {
return false; 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)) { if (!icon_file.Write(icon_entry)) {
return false; 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)) { if (!icon_file.Write(info_header)) {
return false; return false;
} }
for (int y = 0; y < image.height(); y++) { for (int y = 0; y < scaled_image.height(); y++) {
const auto* line = source_image.scanLine(source_image.height() - 1 - y); const auto* line = scaled_image.scanLine(scaled_image.height() - 1 - y);
std::vector<u8> line_data(source_image.width() * bytes_per_pixel); std::vector<u8> line_data(scaled_image.width() * bytes_per_pixel);
std::memcpy(line_data.data(), line, line_data.size()); std::memcpy(line_data.data(), line, line_data.size());
if (!icon_file.Write(line_data)) { if (!icon_file.Write(line_data)) {
return false; return false;
} }
} }
}
icon_file.Close(); icon_file.Close();
return true; return true;