func WritePixelFormat()

in vncclient/pixel_format.go [86:151]
47 lines of code
14 McCabe index (conditional complexity)

func WritePixelFormat(format *PixelFormat) ([]byte, error) {
	var buf bytes.Buffer

	// Byte 1
	if err := binary.Write(&buf, binary.BigEndian, format.BPP); err != nil {
		return nil, err
	}

	// Byte 2
	if err := binary.Write(&buf, binary.BigEndian, format.Depth); err != nil {
		return nil, err
	}

	var boolByte byte
	if format.BigEndian {
		boolByte = 1
	} else {
		boolByte = 0
	}

	// Byte 3 (BigEndian)
	if err := binary.Write(&buf, binary.BigEndian, boolByte); err != nil {
		return nil, err
	}

	if format.TrueColor {
		boolByte = 1
	} else {
		boolByte = 0
	}

	// Byte 4 (TrueColor)
	if err := binary.Write(&buf, binary.BigEndian, boolByte); err != nil {
		return nil, err
	}

	// If we have true color enabled then we have to fill in the rest of the
	// structure with the color values.
	if format.TrueColor {
		if err := binary.Write(&buf, binary.BigEndian, format.RedMax); err != nil {
			return nil, err
		}

		if err := binary.Write(&buf, binary.BigEndian, format.GreenMax); err != nil {
			return nil, err
		}

		if err := binary.Write(&buf, binary.BigEndian, format.BlueMax); err != nil {
			return nil, err
		}

		if err := binary.Write(&buf, binary.BigEndian, format.RedShift); err != nil {
			return nil, err
		}

		if err := binary.Write(&buf, binary.BigEndian, format.GreenShift); err != nil {
			return nil, err
		}

		if err := binary.Write(&buf, binary.BigEndian, format.BlueShift); err != nil {
			return nil, err
		}
	}

	return buf.Bytes()[0:16], nil
}