void receive(Stream & stream, const RDPPrimaryOrderHeader & header) {
// LOG(LOG_INFO, "RDPMultiDstBlt::receive: header fields=0x%02X", header.fields);
header.receive_coord(stream, 0x0001, this->nLeftRect);
header.receive_coord(stream, 0x0002, this->nTopRect);
header.receive_coord(stream, 0x0004, this->nWidth);
header.receive_coord(stream, 0x0008, this->nHeight);
if (header.fields & 0x0010) {
this->bRop = stream.in_uint8();
}
if (header.fields & 0x0020) {
this->nDeltaEntries = stream.in_uint8();
}
if (header.fields & 0x0040) {
uint16_t cbData = stream.in_uint16_le();
// LOG(LOG_INFO, "cbData=%d", cbData);
SubStream rgbData(stream, stream.get_offset(), cbData);
stream.in_skip_bytes(cbData);
// hexdump_d(rgbData.p, rgbData.size());
uint8_t zeroBitsSize = ((this->nDeltaEntries + 1) / 2);
// LOG(LOG_INFO, "zeroBitsSize=%d", zeroBitsSize);
SubStream zeroBits(rgbData, rgbData.get_offset(), zeroBitsSize);
rgbData.in_skip_bytes(zeroBitsSize);
uint8_t zeroBit = 0;
for (uint8_t i = 0, m2 = 0; i < this->nDeltaEntries; i++, m2++) {
if (m2 == 2) {
m2 = 0;
}
if (!m2) {
zeroBit = zeroBits.in_uint8();
// LOG(LOG_INFO, "0x%02X", zeroBit);
}
this->deltaEncodedRectangles[i].leftDelta = (!(zeroBit & 0x80) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].topDelta = (!(zeroBit & 0x40) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].width = (!(zeroBit & 0x20) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].height = (!(zeroBit & 0x10) ? rgbData.in_DEP() : 0);
/*
LOG(LOG_INFO, "RDPMultiDstBlt::receive: delta rectangle=(%d, %d, %d, %d)",
this->deltaEncodedRectangles[i].leftDelta, this->deltaEncodedRectangles[i].topDelta,
this->deltaEncodedRectangles[i].width, this->deltaEncodedRectangles[i].height);
*/
zeroBit <<= 4;
}
}
} // void receive(Stream & stream, const RDPPrimaryOrderHeader & header)
void receive(InStream & stream, const RDPPrimaryOrderHeader & header) {
// LOG(LOG_INFO, "RDPPolygonSC::receive: header fields=0x%02X", header.fields);
header.receive_coord(stream, 0x0001, this->xStart);
header.receive_coord(stream, 0x0002, this->yStart);
if (header.fields & 0x0004) {
this->bRop2 = stream.in_uint8();
}
if (header.fields & 0x0008) {
this->fillMode = stream.in_uint8();
}
if (header.fields & 0x0010) {
receive_rdp_color(stream, this->backColor);
}
if (header.fields & 0x0020) {
receive_rdp_color(stream, this->foreColor);
}
header.receive_brush(stream, 0x0040, this->brush);
if (header.fields & 0x0800) {
this->NumDeltaEntries = stream.in_uint8();
}
if (header.fields & 0x1000) {
uint8_t cbData = stream.in_uint8();
// LOG(LOG_INFO, "cbData=%d", cbData);
InStream rgbData(stream.get_current(), cbData);
stream.in_skip_bytes(cbData);
// hexdump_d(rgbData.get_current(), rgbData.get_capacity());
uint8_t zeroBitsSize = ((this->NumDeltaEntries + 3) / 4);
// LOG(LOG_INFO, "zeroBitsSize=%d", zeroBitsSize);
InStream zeroBits(rgbData.get_current(), zeroBitsSize);
rgbData.in_skip_bytes(zeroBitsSize);
uint8_t zeroBit = 0;
for (uint8_t i = 0, m4 = 0; i < this->NumDeltaEntries; i++, m4++) {
if (m4 == 4) {
m4 = 0;
}
if (!m4) {
zeroBit = zeroBits.in_uint8();
// LOG(LOG_INFO, "0x%02X", zeroBit);
}
this->deltaPoints[i].xDelta = (!(zeroBit & 0x80) ? rgbData.in_DEP() : 0);
this->deltaPoints[i].yDelta = (!(zeroBit & 0x40) ? rgbData.in_DEP() : 0);
/*
LOG(LOG_INFO, "RDPPolygonCB::receive: delta point=%d, %d",
this->deltaPoints[i].xDelta, this->deltaPoints[i].yDelta);
*/
zeroBit <<= 2;
}
}
} // receive
