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); } }