tahoma2d/toonz/sources/common/tvrender/tfont_proxy.cpp

#ifdef __LP64__

// Toonz includes
#include "tvectorimage.h"
#include "tstroke.h"
#include "trop.h"

// Qt includes
#include <QSharedMemory>

/*
なぜか tipc.h の

 template<typename T>
 QDataStream& operator>>(QDataStream& ds, std::vector<T>& vec)

が T=TThickPoint でインスタンス化されようとして曖昧ですエラーになる
*/
// tipc includes
#include "tipc.h"
#include "t32bitsrv_wrap.h"

#include "tfont.h"

//**************************************************************************
//    Local namespace stuff
//**************************************************************************

namespace {

QDataStream &operator>>(QDataStream &ds, TThickPoint &p) {
  return ds >> p.x >> p.y >> p.thick;
}

void readVImage(TVectorImageP &vi, tipc::Message &msg) {
  std::vector<TThickPoint> strokeCPs;

  // Read in all strokes
  while (!msg.ds().atEnd()) {
    strokeCPs.clear();
    msg >> strokeCPs;

    vi->addStroke(new TStroke(strokeCPs));
  }

  vi->group(0, vi->getStrokeCount());
}

}  // namespace

//**************************************************************************
//    TFontManager Private stuff
//**************************************************************************

/*
  The proxied Impl private just caches some data of the actual
  background counterpart
*/
struct TFontManager::Impl {
  int m_ascender;
  int m_descender;

  Impl() {}
  ~Impl() {}
};

//**************************************************************************
//    TFontManager Proxied implementation
//**************************************************************************

TFontManager::TFontManager() { m_pimpl = new TFontManager::Impl(); }

//--------------------------------------------------------------

TFontManager::~TFontManager() { delete m_pimpl; }

//--------------------------------------------------------------

TFontManager *TFontManager::instance() {
  static TFontManager theInstance;
  return &theInstance;
}

//--------------------------------------------------------------

//! This function is retained from old 32-bit legacy code.
//! Its use is now forbidden - use the TFontManager directly instead.
TFont *TFontManager::getCurrentFont() {
  assert(false);
  return 0;
}

//--------------------------------------------------------------

//!\note Throws TFontLibraryLoadingError if fonts could not be loaded
void TFontManager::loadFontNames() {
  // Connect to the 32-bit background server process
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTloadFontNames"));
  if (tipc::readMessage(stream, msg) != "ok") throw TFontLibraryLoadingError();
}

//--------------------------------------------------------------

//!\note Throws TFontCreationError if the font could not be created, and
//! leaves the old font as current.
void TFontManager::setFamily(const std::wstring family) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTsetFamily") << family);
  if (tipc::readMessage(stream, msg) != "ok") throw TFontCreationError();
}

//--------------------------------------------------------------

//!\note Throws TFontCreationError if the font could not be created, and
//! leaves the old font as current.
void TFontManager::setTypeface(const std::wstring typeface) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTsetTypeface") << typeface);
  if (tipc::readMessage(stream, msg) != "ok") throw TFontCreationError();

  // Also, store the font's ascender and descender
  msg >> m_pimpl->m_ascender >> m_pimpl->m_descender;
}

//--------------------------------------------------------------

std::wstring TFontManager::getCurrentFamily() const {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTgetCurrentFamily"));
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Could not get font family");

  std::wstring family;
  msg >> family;
  return family;
}

//--------------------------------------------------------------

std::wstring TFontManager::getCurrentTypeface() const {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTgetCurrentTypeface"));
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Could not get font typeface");

  std::wstring typeface;
  msg >> typeface;
  return typeface;
}

//--------------------------------------------------------------

void TFontManager::getAllFamilies(std::vector<std::wstring> &families) const {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTgetAllFamilies"));
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Could not get font families");

  msg >> families;
}

//--------------------------------------------------------------

void TFontManager::getAllTypefaces(std::vector<std::wstring> &typefaces) const {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTgetAllTypefaces"));
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Could not get font typefaces");

  msg >> typefaces;
}

//--------------------------------------------------------------

void TFontManager::setVertical(bool vertical) {}

//--------------------------------------------------------------

void TFontManager::setSize(int size) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTsetSize") << size);
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Unexpected error");

  // Also, update ascender and descender
  msg >> m_pimpl->m_ascender >> m_pimpl->m_descender;
}

//--------------------------------------------------------------

TPoint TFontManager::getDistance(wchar_t firstChar, wchar_t secondChar) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTgetDistance") << firstChar << secondChar);
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Unexpected error");

  TPoint d;
  msg >> d.x >> d.y;
  return d;
}

//--------------------------------------------------------------

int TFontManager::getMaxHeight() {
  return m_pimpl->m_ascender - m_pimpl->m_descender;
}

//--------------------------------------------------------------

int TFontManager::getMaxWidth() {
  assert(!"not implemented yet");
  return 100;
}

//--------------------------------------------------------------

bool TFontManager::hasVertical() { return false; }

//--------------------------------------------------------------

bool TFontManager::hasKerning() { return true; }

//--------------------------------------------------------------

int TFontManager::getLineAscender() { return m_pimpl->m_ascender; }

//--------------------------------------------------------------

int TFontManager::getLineDescender() { return m_pimpl->m_descender; }

//--------------------------------------------------------------

TPoint TFontManager::drawChar(TVectorImageP &outImage, wchar_t charcode,
                              wchar_t nextCode) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  stream << (msg << QString("$FNTdrawCharVI") << charcode << nextCode);
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Unexpected error");

  TPoint ret;
  msg >> ret.x >> ret.y;
  ::readVImage(outImage, msg);

  return ret;
}

//--------------------------------------------------------------

TPoint TFontManager::drawChar(TRasterGR8P &outImage, TPoint &glyphOrigin,
                              wchar_t charcode, wchar_t nextCode) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  QString shMemId(tipc::uniqueId()), res;
  {
    // Invoke the appropriate command
    stream << (msg << QString("$FNTdrawCharGR") << shMemId << charcode
                   << nextCode);
    if (tipc::readMessage(stream, msg) != "ok")
      throw TException("Unexpected error");
  }

  TDimension dim(0, 0);
  msg >> dim.lx >> dim.ly;
  TPoint ret;
  msg >> ret.x >> ret.y;

  // Create outImage
  outImage = TRasterGR8P(dim.lx, dim.ly);

  QSharedMemory shmem(shMemId);
  shmem.attach();
  shmem.lock();

  // Copy the returned image to outImage
  TRasterGR8P ras(dim.lx, dim.ly, dim.lx, (TPixelGR8 *)shmem.data());
  TRop::copy(outImage, ras);

  shmem.unlock();
  shmem.detach();

  // Release the shared segment
  stream << (msg << tipc::clr << QString("$shmem_release") << shMemId);
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Unexpected error");

  return ret;
}

//--------------------------------------------------------------

TPoint TFontManager::drawChar(TRasterCM32P &outImage, TPoint &glyphOrigin,
                              int inkId, wchar_t charcode, wchar_t nextCode) {
  QLocalSocket socket;
  tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
                             t32bitsrv::srvCmdline());

  tipc::Stream stream(&socket);
  tipc::Message msg;

  QString shMemId(tipc::uniqueId()), res;
  {
    // Invoke the appropriate command
    stream << (msg << QString("$FNTdrawCharCM") << inkId << shMemId << charcode
                   << nextCode);
    if (tipc::readMessage(stream, msg) != "ok")
      throw TException("Unexpected error");
  }

  TDimension dim(0, 0);
  msg >> dim.lx >> dim.ly;
  TPoint ret;
  msg >> ret.x >> ret.y;

  // Create outImage
  outImage = TRasterCM32P(dim.lx, dim.ly);

  QSharedMemory shmem(shMemId);
  shmem.attach();
  shmem.lock();

  // Copy the returned image to outImage
  TRasterCM32P ras(dim.lx, dim.ly, dim.lx, (TPixelCM32 *)shmem.data());
  TRop::copy(outImage, ras);

  shmem.unlock();
  shmem.detach();

  // Release the shared segment
  stream << (msg << tipc::clr << QString("$shmem_release") << shMemId);
  if (tipc::readMessage(stream, msg) != "ok")
    throw TException("Unexpected error");

  return ret;
}

#endif