void emit(OutStream & stream, RDPOrderCommon & common, const RDPOrderCommon & oldcommon,
const RDPPolygonCB & oldcmd) const {
RDPPrimaryOrderHeader header(RDP::STANDARD, 0);
// TODO check that
int16_t pointx = this->xStart;
int16_t pointy = this->yStart;
if (!common.clip.contains_pt(pointx, pointy)) {
header.control |= RDP::BOUNDS;
}
else {
for (uint8_t i = 0; i < this->NumDeltaEntries; i++) {
pointx += this->deltaPoints[i].xDelta;
pointy += this->deltaPoints[i].yDelta;
if (!common.clip.contains_pt(pointx, pointy)) {
header.control |= RDP::BOUNDS;
break;
}
}
}
header.control |= (is_1_byte(this->xStart - oldcmd.xStart) && is_1_byte(this->yStart - oldcmd.yStart)) * RDP::DELTA;
header.fields =
(this->xStart != oldcmd.xStart ) * 0x0001
| (this->yStart != oldcmd.yStart ) * 0x0002
| (this->bRop2 != oldcmd.bRop2 ) * 0x0004
| (this->fillMode != oldcmd.fillMode ) * 0x0008
| (this->backColor != oldcmd.backColor ) * 0x0010
| (this->foreColor != oldcmd.foreColor ) * 0x0020
| (this->brush.org_x != oldcmd.brush.org_x ) * 0x0040
| (this->brush.org_y != oldcmd.brush.org_y ) * 0x0080
| (this->brush.style != oldcmd.brush.style ) * 0x0100
| (this->brush.hatch != oldcmd.brush.hatch ) * 0x0200
| (memcmp(this->brush.extra, oldcmd.brush.extra, 7) != 0) * 0x0400
| (this->NumDeltaEntries != oldcmd.NumDeltaEntries) * 0x0800
| ((this->NumDeltaEntries != oldcmd.NumDeltaEntries) ||
memcmp(this->deltaPoints, oldcmd.deltaPoints,
this->NumDeltaEntries * sizeof(DeltaPoint))
) * 0x1000
;
common.emit(stream, header, oldcommon);
header.emit_coord(stream, 0x0001, this->xStart, oldcmd.xStart);
header.emit_coord(stream, 0x0002, this->yStart, oldcmd.yStart);
if (header.fields & 0x0004) { stream.out_uint8(this->bRop2); }
if (header.fields & 0x0008) { stream.out_uint8(this->fillMode); }
if (header.fields & 0x0010) {
emit_rdp_color(stream, this->backColor);
}
if (header.fields & 0x0020) {
emit_rdp_color(stream, this->foreColor);
}
header.emit_brush(stream, 0x0040, this->brush, oldcmd.brush);
if (header.fields & 0x0800) { stream.out_uint8(this->NumDeltaEntries); }
if (header.fields & 0x1000) {
uint32_t offset_cbData = stream.get_offset();
stream.out_clear_bytes(1);
uint8_t * zeroBit = stream.get_current();
stream.out_clear_bytes((this->NumDeltaEntries + 3) / 4);
*zeroBit = 0;
for (uint8_t i = 0, m4 = 0; i < this->NumDeltaEntries; i++, m4++) {
if (m4 == 4) {
m4 = 0;
}
if (i && !m4) {
*(++zeroBit) = 0;
}
if (!this->deltaPoints[i].xDelta) {
*zeroBit |= (1 << (7 - m4 * 2));
}
else {
stream.out_DEP(this->deltaPoints[i].xDelta);
}
if (!this->deltaPoints[i].yDelta) {
*zeroBit |= (1 << (6 - m4 * 2));
}
else {
stream.out_DEP(this->deltaPoints[i].yDelta);
}
}
stream.set_out_uint8(stream.get_offset() - offset_cbData - 1, offset_cbData);
}
}
