go-rfb/encoding_xcursor.go
Vasiliy Tolstov 8fd511bb01 rename package
Signed-off-by: Vasiliy Tolstov <v.tolstov@sdstack.com>
2018-07-27 16:55:06 +03:00

90 lines
2.2 KiB
Go

package rfb
import (
"encoding/binary"
"math"
)
type XCursorPseudoEncoding struct {
PrimaryR uint8
PrimaryG uint8
PrimaryB uint8
SecondaryR uint8
SecondaryG uint8
SecondaryB uint8
Bitmap []byte
Bitmask []byte
}
func (*XCursorPseudoEncoding) Supported(Conn) bool {
return true
}
func (*XCursorPseudoEncoding) Type() EncodingType { return EncXCursorPseudo }
// Read implements the Encoding interface.
func (enc *XCursorPseudoEncoding) Read(c Conn, rect *Rectangle) error {
if err := binary.Read(c, binary.BigEndian, &enc.PrimaryR); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.PrimaryG); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.PrimaryB); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.SecondaryR); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.SecondaryG); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.SecondaryB); err != nil {
return err
}
bitmapsize := int(math.Floor((float64(rect.Width)+7)/8) * float64(rect.Height))
bitmasksize := int(math.Floor((float64(rect.Width)+7)/8) * float64(rect.Height))
enc.Bitmap = make([]byte, bitmapsize)
enc.Bitmask = make([]byte, bitmasksize)
if err := binary.Read(c, binary.BigEndian, &enc.Bitmap); err != nil {
return err
}
if err := binary.Read(c, binary.BigEndian, &enc.Bitmask); err != nil {
return err
}
return nil
}
func (enc *XCursorPseudoEncoding) Write(c Conn, rect *Rectangle) error {
if err := binary.Write(c, binary.BigEndian, enc.PrimaryR); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.PrimaryG); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.PrimaryB); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.SecondaryR); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.SecondaryG); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.SecondaryB); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.Bitmap); err != nil {
return err
}
if err := binary.Write(c, binary.BigEndian, enc.Bitmask); err != nil {
return err
}
return nil
}