Function get_mask_width

compat/ico_loader.cpp:103–111

};

static uint8_t get_mask_width(uint16_t mask) {
	// Returns number of ones in the binary value of the parameter: mask.
	// Uses a Simple pop_count.
	uint8_t c = 0u;
	for (; mask != 0u; mask &= mask - 1u) {
		c++;
	}
	return c;
}

static Error parse_after_file_header(const Vector<uint8_t> &p_data, bmp_header_s &bmp_header) {
	Ref<FileAccessMemory> f = memnew(FileAccessMemory);