diff options
| -rw-r--r-- | src/yuzu/util/util.cpp | 81 |
1 files changed, 53 insertions, 28 deletions
diff --git a/src/yuzu/util/util.cpp b/src/yuzu/util/util.cpp index 61cf00176..f2854c8ec 100644 --- a/src/yuzu/util/util.cpp +++ b/src/yuzu/util/util.cpp @@ -63,25 +63,15 @@ bool SaveIconToFile(const std::string_view path, const QImage& image) { }; #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; - const int image_size = source_image.width() * source_image.height() * bytes_per_pixel; - - BITMAPINFOHEADER info_header{}; - info_header.biSize = sizeof(BITMAPINFOHEADER), info_header.biWidth = source_image.width(), - info_header.biHeight = source_image.height() * 2, info_header.biPlanes = 1, - info_header.biBitCount = bytes_per_pixel * 8, info_header.biCompression = BI_RGB; - - 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)}; + + const IconDir icon_dir{ + .id_reserved = 0, + .id_type = 1, + .id_count = static_cast<WORD>(scale_sizes.size()), + }; Common::FS::IOFile icon_file(path, Common::FS::FileAccessMode::Write, Common::FS::FileType::BinaryFile); @@ -92,20 +82,55 @@ bool SaveIconToFile(const std::string_view path, const QImage& image) { if (!icon_file.Write(icon_dir)) { return false; } - if (!icon_file.Write(icon_entry)) { - return false; - } - if (!icon_file.Write(info_header)) { - 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 (int y = 0; y < image.height(); y++) { - const auto* line = source_image.scanLine(source_image.height() - 1 - y); - std::vector<u8> line_data(source_image.width() * bytes_per_pixel); - std::memcpy(line_data.data(), line, line_data.size()); - if (!icon_file.Write(line_data)) { + 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(); |