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pseudo_x_cursor.go
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pseudo_x_cursor.go
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package encodings
import (
"encoding/binary"
"github.com/vprix/vncproxy/rfb"
"math"
)
type XCursorPseudoEncoding struct {
PrimaryR, PrimaryG, PrimaryB uint8 // 主颜色
SecondaryR, SecondaryG, SecondaryB uint8 // 次颜色
Bitmap []byte //颜色位图
Bitmask []byte //透明度位掩码
}
func (that *XCursorPseudoEncoding) Supported(session rfb.ISession) bool {
return true
}
func (that *XCursorPseudoEncoding) Clone(data ...bool) rfb.IEncoding {
obj := &XCursorPseudoEncoding{}
if len(data) > 0 && data[0] {
obj.PrimaryR = that.PrimaryR
obj.PrimaryG = that.PrimaryG
obj.PrimaryB = that.PrimaryB
obj.SecondaryR = that.SecondaryR
obj.SecondaryG = that.SecondaryG
obj.SecondaryB = that.SecondaryB
Bitmap := make([]byte, len(that.Bitmap))
Bitmask := make([]byte, len(that.Bitmask))
copy(Bitmap, that.Bitmap)
copy(Bitmask, that.Bitmask)
obj.Bitmap = Bitmap
obj.Bitmask = Bitmask
}
return obj
}
func (that *XCursorPseudoEncoding) Type() rfb.EncodingType {
return rfb.EncXCursorPseudo
}
func (that *XCursorPseudoEncoding) Read(session rfb.ISession, rect *rfb.Rectangle) error {
if err := binary.Read(session, binary.BigEndian, &that.PrimaryR); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.PrimaryG); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.PrimaryB); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.SecondaryR); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.SecondaryG); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.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))
that.Bitmap = make([]byte, bitMapSize)
that.Bitmask = make([]byte, bitMaskSize)
if err := binary.Read(session, binary.BigEndian, &that.Bitmap); err != nil {
return err
}
if err := binary.Read(session, binary.BigEndian, &that.Bitmask); err != nil {
return err
}
return nil
}
func (that *XCursorPseudoEncoding) Write(session rfb.ISession, rect *rfb.Rectangle) error {
if err := binary.Write(session, binary.BigEndian, that.PrimaryR); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.PrimaryG); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.PrimaryB); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.SecondaryR); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.SecondaryG); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.SecondaryB); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.Bitmap); err != nil {
return err
}
if err := binary.Write(session, binary.BigEndian, that.Bitmask); err != nil {
return err
}
return nil
}