void emit(Stream & stream,
RDPOrderCommon & common,
const RDPOrderCommon & oldcommon,
const RDPScrBlt & oldcmd) const
{
using namespace RDP;
RDPPrimaryOrderHeader header(STANDARD, 0);
if (!common.clip.contains(this->rect)){
header.control |= BOUNDS;
}
// SCREENBLT fields bytes (1 byte)
// ------------------------------
// 0x01: x coordinate
// 0x02: y coordinate
// 0x04: cx coordinate
// 0x08: cy coordinate
// 0x10: rop byte
// 0x20: srcx coordinate
// 0x40: srcy coordinate
DeltaRect dr(this->rect, oldcmd.rect);
// RDP specs says that we can have DELTA only if we
// have bounds. Can't see the rationale and rdesktop don't do it
// by the book. Behavior should be checked with server and clients
// from Microsoft. Looks like an error in RDP specs.
header.control |= ((dr.fully_relative()
&& is_1_byte(this->srcx - oldcmd.srcx)
&& is_1_byte(this->srcy - oldcmd.srcy))
* DELTA);
header.fields = (dr.dleft != 0 ) * 0x01
| (dr.dtop != 0 ) * 0x02
| (dr.dwidth != 0 ) * 0x04
| (dr.dheight != 0 ) * 0x08
| (this->rop != oldcmd.rop ) * 0x10
| ((this->srcx - oldcmd.srcx) != 0 ) * 0x20
| ((this->srcy - oldcmd.srcy) != 0 ) * 0x40
;
common.emit(stream, header, oldcommon);
header.emit_rect(stream, 0x01, this->rect, oldcmd.rect);
if (header.fields & 0x10){
stream.out_uint8(this->rop);
}
header.emit_src(stream, 0x20,
this->srcx, this->srcy,
oldcmd.srcx, oldcmd.srcy);
}
void emit( Stream & stream, RDPOrderCommon & common, const RDPOrderCommon & oldcommon
, const RDPMultiOpaqueRect & oldcmd) const {
RDPPrimaryOrderHeader header(RDP::STANDARD, 0);
int16_t nLeftRect = 0;
int16_t nTopRect = 0;
int16_t nWidth = 0;
int16_t nHeight = 0;
if (!common.clip.contains(Rect(nLeftRect, nTopRect, nWidth, nHeight))) {
header.control |= RDP::BOUNDS;
}
else {
for (uint8_t i = 0; i < this->nDeltaEntries; i++) {
nLeftRect += this->deltaEncodedRectangles[i].leftDelta;
nTopRect += this->deltaEncodedRectangles[i].topDelta;
nWidth = this->deltaEncodedRectangles[i].width;
nHeight = this->deltaEncodedRectangles[i].height;
if (!common.clip.contains(Rect(nLeftRect, nTopRect, nWidth, nHeight))) {
header.control |= RDP::BOUNDS;
break;
}
}
}
header.control |= (is_1_byte(this->nLeftRect - oldcmd.nLeftRect) && is_1_byte(this->nTopRect - oldcmd.nTopRect) &&
is_1_byte(this->nWidth - oldcmd.nWidth) && is_1_byte(this->nHeight - oldcmd.nHeight)) * RDP::DELTA;
header.fields =
(this->nLeftRect != oldcmd.nLeftRect ) * 0x0001
| (this->nTopRect != oldcmd.nTopRect ) * 0x0002
| (this->nWidth != oldcmd.nWidth ) * 0x0004
| (this->nHeight != oldcmd.nHeight ) * 0x0008
| ((this->_Color & 0x0000FF) != (oldcmd._Color & 0x0000FF)) * 0x0010
| ((this->_Color & 0x00FF00) != (oldcmd._Color & 0x00FF00)) * 0x0020
| ((this->_Color & 0xFF0000) != (oldcmd._Color & 0xFF0000)) * 0x0040
| (this->nDeltaEntries != oldcmd.nDeltaEntries ) * 0x0080
| (
(this->nDeltaEntries != oldcmd.nDeltaEntries) ||
memcmp(this->deltaEncodedRectangles, oldcmd.deltaEncodedRectangles,
this->nDeltaEntries * sizeof(RDP::DeltaEncodedRectangle))
) * 0x0100
;
common.emit(stream, header, oldcommon);
header.emit_coord(stream, 0x0001, this->nLeftRect, oldcmd.nLeftRect);
header.emit_coord(stream, 0x0002, this->nTopRect, oldcmd.nTopRect);
header.emit_coord(stream, 0x0004, this->nWidth, oldcmd.nWidth);
header.emit_coord(stream, 0x0008, this->nHeight, oldcmd.nHeight);
if (header.fields & 0x0010) { stream.out_uint8(this->_Color); }
if (header.fields & 0x0020) { stream.out_uint8(this->_Color >> 8); }
void emit(OutStream & stream,
RDPOrderCommon & common,
const RDPOrderCommon & oldcommon,
const RDPLineTo & oldcmd) const
{
using namespace RDP;
RDPPrimaryOrderHeader header(STANDARD, 0);
// TODO check that
if (!(common.clip.contains_pt(this->startx, this->starty)
&& common.clip.contains_pt(this->endx, this->endy))){
header.control |= BOUNDS;
}
header.control |= (is_1_byte(this->startx - oldcmd.startx)
&& is_1_byte(this->starty - oldcmd.starty)
&& is_1_byte(this->endx - oldcmd.endx)
&& is_1_byte(this->endy - oldcmd.endy)) * DELTA;
header.fields =
(this->back_mode != oldcmd.back_mode ) * 0x001
| (this->startx != oldcmd.startx ) * 0x002
| (this->starty != oldcmd.starty ) * 0x004
| (this->endx != oldcmd.endx ) * 0x008
| (this->endy != oldcmd.endy ) * 0x010
| (this->back_color != oldcmd.back_color ) * 0x020
| (this->rop2 != oldcmd.rop2 ) * 0x040
| (this->pen.style != oldcmd.pen.style ) * 0x080
| (this->pen.width != oldcmd.pen.width ) * 0x100
| (this->pen.color != oldcmd.pen.color ) * 0x200
;
common.emit(stream, header, oldcommon);
if (header.fields & 0x001) { stream.out_uint16_le(this->back_mode); }
header.emit_coord(stream, 0x02, this->startx, oldcmd.startx);
header.emit_coord(stream, 0x04, this->starty, oldcmd.starty);
header.emit_coord(stream, 0x08, this->endx, oldcmd.endx);
header.emit_coord(stream, 0x10, this->endy, oldcmd.endy);
if (header.fields & 0x20) {
emit_rdp_color(stream, this->back_color);
}
if (header.fields & 0x40) { stream.out_uint8(this->rop2); }
header.emit_pen(stream, 0x80, this->pen, oldcmd.pen);
}
void emit(OutStream & stream, RDPOrderCommon & common, const RDPOrderCommon & oldcommon,
const RDPEllipseSC & oldcmd) const {
RDPPrimaryOrderHeader header(RDP::STANDARD, 0);
if (!common.clip.contains(this->el.get_rect())){
header.control |= RDP::BOUNDS;
}
const int16_t oldleft = oldcmd.el.left();
const int16_t oldtop = oldcmd.el.top();
const int16_t oldright = oldcmd.el.right();
const int16_t oldbottom = oldcmd.el.bottom();
header.control |= (is_1_byte(this->el.left() - oldleft) &&
is_1_byte(this->el.top() - oldtop) &&
is_1_byte(this->el.right() - oldright) &&
is_1_byte(this->el.bottom() - oldbottom)) * RDP::DELTA;
header.fields =
( this->el.left() != oldleft ) * 0x0001
|(this->el.top() != oldtop ) * 0x0002
|(this->el.right() != oldright ) * 0x0004
|(this->el.bottom() != oldbottom ) * 0x0008
|(this->bRop2 != oldcmd.bRop2 ) * 0x0010
|(this->fillMode != oldcmd.fillMode) * 0x0020
|(this->color != oldcmd.color ) * 0x0040;
common.emit(stream, header, oldcommon);
header.emit_coord(stream, 0x0001, this->el.left(), oldleft);
header.emit_coord(stream, 0x0002, this->el.top(), oldtop);
header.emit_coord(stream, 0x0004, this->el.right(), oldright);
header.emit_coord(stream, 0x0008, this->el.bottom(), oldbottom);
if (header.fields & 0x0010) { stream.out_uint8(this->bRop2); }
if (header.fields & 0x0020) { stream.out_uint8(this->fillMode); }
if (header.fields & 0x0040) {
emit_rdp_color(stream, this->color);
}
// LOG(LOG_INFO, "RDPEllipseSC::emit: header fields=0x%02X", header.fields);
// LOG(LOG_INFO, "RDPEllipseSC::emit: header color=0x%02X", this->color);
}
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);
}
}
void emit( OutStream & stream, RDPOrderCommon & common, const RDPOrderCommon & oldcommon
, const RDPMultiDstBlt & oldcmd) const {
RDPPrimaryOrderHeader header(RDP::STANDARD, 0);
int16_t nLeftRect = 0;
int16_t nTopRect = 0;
int16_t nWidth = 0;
int16_t nHeight = 0;
if (!common.clip.contains(Rect(nLeftRect, nTopRect, nWidth, nHeight))) {
header.control |= RDP::BOUNDS;
}
else {
for (uint8_t i = 0; i < this->nDeltaEntries; i++) {
nLeftRect += this->deltaEncodedRectangles[i].leftDelta;
nTopRect += this->deltaEncodedRectangles[i].topDelta;
nWidth = this->deltaEncodedRectangles[i].width;
nHeight = this->deltaEncodedRectangles[i].height;
if (!common.clip.contains(Rect(nLeftRect, nTopRect, nWidth, nHeight))) {
header.control |= RDP::BOUNDS;
break;
}
}
}
header.control |= (is_1_byte(this->nLeftRect - oldcmd.nLeftRect) && is_1_byte(this->nTopRect - oldcmd.nTopRect) &&
is_1_byte(this->nWidth - oldcmd.nWidth) && is_1_byte(this->nHeight - oldcmd.nHeight)) * RDP::DELTA;
header.fields =
(this->nLeftRect != oldcmd.nLeftRect ) * 0x0001
| (this->nTopRect != oldcmd.nTopRect ) * 0x0002
| (this->nWidth != oldcmd.nWidth ) * 0x0004
| (this->nHeight != oldcmd.nHeight ) * 0x0008
| (this->bRop != oldcmd.bRop ) * 0x0010
| (this->nDeltaEntries != oldcmd.nDeltaEntries) * 0x0020
| (
(this->nDeltaEntries != oldcmd.nDeltaEntries) ||
memcmp(this->deltaEncodedRectangles, oldcmd.deltaEncodedRectangles,
this->nDeltaEntries * sizeof(RDP::DeltaEncodedRectangle))
) * 0x0040
;
common.emit(stream, header, oldcommon);
header.emit_coord(stream, 0x0001, this->nLeftRect, oldcmd.nLeftRect);
header.emit_coord(stream, 0x0002, this->nTopRect, oldcmd.nTopRect);
header.emit_coord(stream, 0x0004, this->nWidth, oldcmd.nWidth);
header.emit_coord(stream, 0x0008, this->nHeight, oldcmd.nHeight);
if (header.fields & 0x0010) { stream.out_uint8(this->bRop); }
if (header.fields & 0x0020) { stream.out_uint8(this->nDeltaEntries); }
if (header.fields & 0x0040) {
uint32_t offset_cbData = stream.get_offset();
stream.out_clear_bytes(2);
uint8_t * zeroBit = stream.get_current();
stream.out_clear_bytes((this->nDeltaEntries + 1) / 2);
*zeroBit = 0;
for (uint8_t i = 0, m2 = 0; i < this->nDeltaEntries; i++, m2++) {
if (m2 == 2) {
m2 = 0;
}
if (i && !m2) {
*(++zeroBit) = 0;
}
if (!this->deltaEncodedRectangles[i].leftDelta) {
*zeroBit |= (1 << (7 - m2 * 4));
}
else {
stream.out_DEP(this->deltaEncodedRectangles[i].leftDelta);
}
if (!this->deltaEncodedRectangles[i].topDelta) {
*zeroBit |= (1 << (6 - m2 * 4));
}
else {
stream.out_DEP(this->deltaEncodedRectangles[i].topDelta);
}
if (!this->deltaEncodedRectangles[i].width) {
*zeroBit |= (1 << (5 - m2 * 4));
}
else {
stream.out_DEP(this->deltaEncodedRectangles[i].width);
}
if (!this->deltaEncodedRectangles[i].height) {
*zeroBit |= (1 << (4 - m2 * 4));
}
else {
stream.out_DEP(this->deltaEncodedRectangles[i].height);
}
}
stream.set_out_uint16_le(stream.get_offset() - offset_cbData - 2, offset_cbData);
}
} // void emit(OutStream & stream, RDPOrderCommon & common, const RDPOrderCommon & oldcommon, const RDPMultiDstBlt & oldcmd) const
// order to stream returns true if state clip must be changed
// it does not change state by itself
void emit(OutStream & stream,
RDPOrderCommon & common,
const RDPOrderCommon & oldcommon,
const RDPOpaqueRect & oldcmd) const
{
using namespace RDP;
RDPPrimaryOrderHeader header(STANDARD, 0);
if (!common.clip.contains(this->rect)){
header.control |= BOUNDS;
}
// OPAQUERECT fields bytes (1 byte)
// ------------------------------
// 0x01: x coordinate
// 0x02: y coordinate
// 0x04: cx coordinate
// 0x08: cy coordinate
// 0x10: red color byte
// 0x20: green color byte
// 0x40: blue color byte
// Note by CGR:
// ------------
// As far as we can see the OPAQUERECT fields called "red" "green" and
// "blue" don't care much for actual color components. Really they
// should be called "first color byte", "second color byte" and "third
// color byte". They are red green and blue only in 24 bits. In 15 or 16
// one byte is always empty and changing green component will
// change both used bytes.
DeltaRect dr(this->rect, oldcmd.rect);
// RDP specs says that we can have DELTA only if we
// have bounds. Can't see the rationale and rdesktop don't do it
// by the book. Behavior should be checked with server and clients
// from Microsoft. Looks like an error in RDP specs.
header.control |= dr.fully_relative() * DELTA;
uint32_t diff_color = this->color ^ oldcmd.color;
// LOG(LOG_INFO, "emit opaque rect old_color = %.6x new_color = %.6x\n", oldcmd.color, this->color);
header.fields = (dr.dleft != 0) * 0x01
| (dr.dtop != 0) * 0x02
| (dr.dwidth != 0) * 0x04
| (dr.dheight != 0) * 0x08
| ((diff_color & 0x0000FF) != 0) * 0x10
| ((diff_color & 0x00FF00) != 0) * 0x20
| ((diff_color & 0xFF0000) != 0) * 0x40
;
common.emit(stream, header, oldcommon);
header.emit_rect(stream, 0x01, this->rect, oldcmd.rect);
if (header.fields & 0x10){
stream.out_uint8(this->color);
}
if (header.fields & 0x20){
stream.out_uint8(this->color >> 8);
}