void TExternalProgramFx::initialize(std::string name) {
TFilePath fp = getExternFxPath() + (name + ".xml");
TIStream is(fp);
if (!is) return;
std::string tagName;
if (!is.matchTag(tagName) || tagName != "externFx") return;
try {
while (is.matchTag(tagName)) {
if (tagName == "executable") {
TFilePath executable = TFilePath(is.getTagAttribute("path"));
std::string args = is.getTagAttribute("args");
if (executable == TFilePath())
throw TException("missing executable path");
if (args == "") throw TException("missing args string");
setExecutable(executable, args);
} else if (tagName == "inport" || tagName == "outport") {
std::string portName = is.getTagAttribute("name");
std::string ext = is.getTagAttribute("ext");
if (portName == "") throw TException("missing port name");
if (ext == "") throw TException("missing port ext");
addPort(portName, ext, tagName == "inport");
} else if (tagName == "param") {
std::string paramName = is.getTagAttribute("name");
if (paramName == "") throw TException("missing param name");
std::string type = is.getTagAttribute("type");
if (type == "") throw TException("missing param type");
if (type != "double")
throw TException("param type not yet implemented");
TDoubleParamP param = new TDoubleParam();
param->setName(paramName);
m_params.push_back(param);
} else
throw TException("unexpected tag " + tagName);
}
is.closeChild();
for (int i = 0; i < (int)m_params.size(); i++)
bindParam(this, m_params[i]->getName(), m_params[i]);
} catch (...) {
}
}
DirectionalBlurBaseFx(bool isMotionBLur) : m_isMotionBlur(isMotionBLur), m_angle(0.0), m_intensity(10.0), m_bidirectional(false), m_spread(true)
{
bindParam(this, "intensity", m_intensity);
bindParam(this, "bidirectional", m_bidirectional);
bindParam(this, "spread", m_spread);
addInputPort("Source", m_input);
m_intensity->setValueRange(0, (std::numeric_limits<double>::max)());
getAttributes()->setIsSpeedAware(true);
}
void FxGadget::setValue(const TDoubleParamP ¶m, double value) {
param->setValue(m_controller->getCurrentFrame(), value);
}
double FxGadget::getValue(const TDoubleParamP ¶m) const {
return param->getValue(m_controller->getCurrentFrame());
}
void FxGadget::addParam(const TDoubleParamP ¶m) {
m_params.push_back(param);
param->addObserver(this);
}
bool canHandle(const TRenderSettings &info, double frame)
{
return isAlmostIsotropic(info.m_affine) || m_intensity->getValue(frame) == 0;
}
TPointD getBlurVector(double frame) const
{
TPointD speed = getAttributes()->getSpeed();
double value = m_intensity->getValue(frame);
return value * speed;
}
void TExternalProgramFx::doCompute(TTile &tile, double frame,
const TRenderSettings &ri) {
TRaster32P ras = tile.getRaster();
if (!ras) return;
std::string args = m_args;
std::string executablePath = ::to_string(m_executablePath);
std::map<std::string, TFilePath> tmpFiles; // portname --> file
TFilePath outputTmpFile;
std::map<std::string, Port>::const_iterator portIt;
for (portIt = m_ports.begin(); portIt != m_ports.end(); ++portIt) {
TFilePath fp = TSystem::getUniqueFile("externfx");
fp = fp.withType(portIt->second.m_ext);
tmpFiles[portIt->first] = fp;
if (portIt->second.m_port == 0) // solo una porta e' di output
outputTmpFile = fp;
else {
TRasterFxPort *tmp;
tmp = portIt->second.m_port;
if (tmp->isConnected()) {
(*tmp)->compute(tile, frame, ri);
TImageWriter::save(fp, ras);
}
}
}
// args e' della forma "$src $ctrl -o $out -v $value"
// sostituisco le variabili
int i = 0;
for (;;) {
i = args.find('$', i);
if (i == (int)std::string::npos) break;
int j = i + 1;
int len = args.length();
while (j < len && isalnum(args[j])) j++;
// un '$' non seguito da caratteri alfanumerici va ignorato
if (j == i + 1) {
// la sequenza '$$' diventa '$'
if (j < len && args[j] == '$') args.replace(i, 2, "$");
i++;
continue;
}
// ho trovato una variabile
int m = j - i - 1;
std::string name = args.substr(i + 1, m);
// calcolo il valore.
std::string value;
std::map<std::string, TFilePath>::const_iterator it;
it = tmpFiles.find(name);
if (it != tmpFiles.end()) {
// e' una porta. il valore e' il nome del
// file temporaneo
value = "\"" + ::to_string(it->second.getWideString()) + "\"";
} else {
// e' un parametro
// se il nome non viene riconosciuto sostituisco la stringa nulla
TDoubleParamP param = TParamP(getParams()->getParam(name));
if (param) value = std::to_string(param->getValue(frame));
}
args.replace(i, m + 1, value);
}
args = " " + args; // aggiungo uno spazio per sicurezza
// ofstream os("C:\\temp\\butta.txt");
// os << args << endl;
// bisognerebbe calcolare le immagini dalla/e porta/e di input
// scrivere il/i valore/i nei files temporanei/o
// chiamare "m_executablePath args"
// e leggere l'immagine scritta in outputTmpFile
// poi cancellare tutto
std::string expandedargs;
char buffer[1024];
#ifdef _WIN32
ExpandEnvironmentStrings(args.c_str(), buffer, 1024);
STARTUPINFO si;
PROCESS_INFORMATION pinfo;
GetStartupInfo(&si);
BOOL ret = CreateProcess(
(char *)executablePath.c_str(), // name of executable module
buffer, // command line string
NULL, // SD
NULL, // SD
TRUE, // handle inheritance option
CREATE_NO_WINDOW, /*CREATE_NEW_CONSOLE*/ // creation flags
NULL, // new environment block
NULL, // current directory name
&si, // startup information
&pinfo // process information
);
if (!ret) DWORD err = GetLastError();
// aspetta che il processo termini
WaitForSingleObject(pinfo.hProcess, INFINITE);
DWORD exitCode;
ret = GetExitCodeProcess(pinfo.hProcess, // handle to the process
&exitCode); // termination status
#else
std::string cmdline = executablePath + buffer;
// int exitCode =
system(cmdline.c_str());
#endif
/*
string name = m_executablePath.getName();
TPixel32 color;
if(name == "saturate") color = TPixel32::Magenta;
else if(name == "over") color = TPixel32::Green;
else color = TPixel32::Red;
for(int iy=0;iy<ras->getLy();iy++)
{
TPixel32 *pix = ras->pixels(iy);
TPixel32 *endPix = pix + ras->getLx();
double x = tile.m_pos.x;
double y = tile.m_pos.y + iy;
while(pix<endPix)
{
if(x*x+y*y<900) *pix = color;
else *pix = TPixel32(0,0,0,0);
++pix;
x+=1.0;
}
}
*/
try {
TRasterP ras = tile.getRaster();
TImageReader::load(outputTmpFile, ras);
} catch (...) {
}
// butto i file temporanei creati
std::map<std::string, TFilePath>::const_iterator fileIt;
for (fileIt = tmpFiles.begin(); fileIt != tmpFiles.end(); ++fileIt) {
if (TFileStatus(fileIt->second).doesExist() == true) try {
TSystem::deleteFile(fileIt->second);
} catch (...) {
}
}
if (TFileStatus(outputTmpFile).doesExist() == true) try {
TSystem::deleteFile(outputTmpFile);
} catch (...) {
}
}
void FreeDistortBaseFx::doCompute(TTile &tile, double frame, const TRenderSettings &ri)
{
if (!m_input.isConnected())
return;
//Upon deactivation, this fx does nothing.
if (m_deactivate->getValue()) {
m_input->compute(tile, frame, ri);
return;
}
//Get the source quad
TPointD p00_b = m_p00_b->getValue(frame);
TPointD p10_b = m_p10_b->getValue(frame);
TPointD p01_b = m_p01_b->getValue(frame);
TPointD p11_b = m_p11_b->getValue(frame);
//Get destination quad
TPointD p00_a = m_p00_a->getValue(frame);
TPointD p10_a = m_p10_a->getValue(frame);
TPointD p01_a = m_p01_a->getValue(frame);
TPointD p11_a = m_p11_a->getValue(frame);
if (m_isCastShadow) {
//Shadows are mirrored
tswap(p00_a, p01_a);
tswap(p10_a, p11_a);
}
//Get requested tile's geometry
TRasterP tileRas(tile.getRaster());
TRectD tileRect(convert(tileRas->getBounds()) + tile.m_pos);
//Call transform to get the minimal rectOnInput
TRectD inRect;
TRenderSettings riNew;
TRectD inBBox;
safeTransform(frame, 0, tileRect, ri, inRect, riNew, inBBox);
//Intersect with the bbox
inRect *= inBBox;
if (myIsEmpty(inRect))
return;
double scale = ri.m_affine.a11;
double downBlur = m_downBlur->getValue(frame) * scale;
double upBlur = m_upBlur->getValue(frame) * scale;
int brad = tceil(tmax(downBlur, upBlur));
inRect = inRect.enlarge(brad);
TDimension inRectSize(tceil(inRect.getLx()), tceil(inRect.getLy()));
TTile inTile;
m_input->allocateAndCompute(inTile, inRect.getP00(), inRectSize, tileRas, frame, riNew);
TPointD inTilePosRi = inTile.m_pos;
//Update quads by the scale factors
p00_b = riNew.m_affine * p00_b;
p10_b = riNew.m_affine * p10_b;
p01_b = riNew.m_affine * p01_b;
p11_b = riNew.m_affine * p11_b;
p00_a = ri.m_affine * p00_a;
p10_a = ri.m_affine * p10_a;
p01_a = ri.m_affine * p01_a;
p11_a = ri.m_affine * p11_a;
PerspectiveDistorter perpDistorter(
p00_b - inTile.m_pos, p10_b - inTile.m_pos, p01_b - inTile.m_pos, p11_b - inTile.m_pos,
p00_a, p10_a, p01_a, p11_a);
BilinearDistorter bilDistorter(
p00_b - inTile.m_pos, p10_b - inTile.m_pos, p01_b - inTile.m_pos, p11_b - inTile.m_pos,
p00_a, p10_a, p01_a, p11_a);
TQuadDistorter *distorter;
if (m_distortType->getValue() == PERSPECTIVE)
distorter = &perpDistorter;
else if (m_distortType->getValue() == BILINEAR)
distorter = &bilDistorter;
else
assert(0);
if (m_isCastShadow) {
TRaster32P ras32 = inTile.getRaster();
TRaster64P ras64 = inTile.getRaster();
if (ras32) {
if (m_fade->getValue(frame) > 0)
doFade(ras32, m_color->getValue(frame), m_fade->getValue(frame) / 100.0);
if (brad > 0)
doBlur(ras32, upBlur, downBlur,
m_upTransp->getValue(frame) / 100.0, m_downTransp->getValue(frame) / 100.0,
inBBox.y0 - inTile.m_pos.y, inBBox.y1 - inTile.m_pos.y);
else if (m_upTransp->getValue(frame) > 0 || m_downTransp->getValue(frame) > 0)
doTransparency(ras32, m_upTransp->getValue(frame) / 100.0, m_downTransp->getValue(frame) / 100.0,
inBBox.y0 - inTile.m_pos.y, inBBox.y1 - inTile.m_pos.y);
} else if (ras64) {
if (m_fade->getValue(frame) > 0)
doFade(ras64, toPixel64(m_color->getValue(frame)), m_fade->getValue(frame) / 100.0);
if (brad > 0)
doBlur(ras64, upBlur, downBlur,
m_upTransp->getValue(frame) / 100.0, m_downTransp->getValue(frame) / 100.0,
inBBox.y0 - inTile.m_pos.y, inBBox.y1 - inTile.m_pos.y);
else if (m_upTransp->getValue(frame) > 0 || m_downTransp->getValue(frame) > 0)
doTransparency(ras64, m_upTransp->getValue(frame) / 100.0, m_downTransp->getValue(frame) / 100.0,
inBBox.y0 - inTile.m_pos.y, inBBox.y1 - inTile.m_pos.y);
} else
assert(false);
}
distort(tileRas, inTile.getRaster(), *distorter, convert(tile.m_pos), TRop::Bilinear);
}