Method _process_icon

platform/windows/export/export_plugin.cpp:72–182

#endif

Error EditorExportPlatformWindows::_process_icon(const Ref<EditorExportPreset> &p_preset, const String &p_src_path, const String &p_dst_path) {
	static const uint8_t icon_size[] = { 16, 32, 48, 64, 128, 0 /*256*/ };

	struct IconData {
		Vector<uint8_t> data;
		uint8_t pal_colors = 0;
		uint16_t planes = 0;
		uint16_t bpp = 32;
	};

	HashMap<uint8_t, IconData> images;
	Error err;

	if (p_src_path.get_extension() == "ico") {
		Ref<FileAccess> f = FileAccess::open(p_src_path, FileAccess::READ, &err);
		if (err != OK) {
			return err;
		}

		// Read ICONDIR.
		f->get_16(); // Reserved.
		uint16_t icon_type = f->get_16(); // Image type: 1 - ICO.
		uint16_t icon_count = f->get_16(); // Number of images.
		ERR_FAIL_COND_V(icon_type != 1, ERR_CANT_OPEN);

		for (uint16_t i = 0; i < icon_count; i++) {
			// Read ICONDIRENTRY.
			uint16_t w = f->get_8(); // Width in pixels.
			uint16_t h = f->get_8(); // Height in pixels.
			uint8_t pal_colors = f->get_8(); // Number of colors in the palette (0 - no palette).
			f->get_8(); // Reserved.
			uint16_t planes = f->get_16(); // Number of color planes.
			uint16_t bpp = f->get_16(); // Bits per pixel.
			uint32_t img_size = f->get_32(); // Image data size in bytes.
			uint32_t img_offset = f->get_32(); // Image data offset.
			if (w != h) {
				continue;
			}

			// Read image data.
			uint64_t prev_offset = f->get_position();
			images[w].pal_colors = pal_colors;
			images[w].planes = planes;
			images[w].bpp = bpp;
			images[w].data.resize(img_size);
			f->seek(img_offset);
			f->get_buffer(images[w].data.ptrw(), img_size);
			f->seek(prev_offset);
		}
	} else {
		Ref<Image> src_image = _load_icon_or_splash_image(p_src_path, &err);
		ERR_FAIL_COND_V(err != OK || src_image.is_null() || src_image->is_empty(), ERR_CANT_OPEN);

		for (size_t i = 0; i < std::size(icon_size); ++i) {
			int size = (icon_size[i] == 0) ? 256 : icon_size[i];

			Ref<Image> res_image = src_image->duplicate();
			ERR_FAIL_COND_V(res_image.is_null() || res_image->is_empty(), ERR_CANT_OPEN);