XFigGraphicDevice.cpp

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// SPDX-FileCopyrightText: The Bio++ Development Group
//
// SPDX-License-Identifier: CECILL-2.1

#include "XFigGraphicDevice.h"

using namespace bpp;
using namespace std;

const unsigned int XFigGraphicDevice::FONTFLAG_LATEX = 0;
const unsigned int XFigGraphicDevice::FONTFLAG_POSTSCRIPT = 4;

void XFigGraphicDevice::begin()
{
  content_.clear();
}

void XFigGraphicDevice::end()
{
  // Print to file:
  // Header:
  out_ << "#FIG 3.2 Produced by the Bio++ Graphic Device System" << endl;
  out_ << "Portrait" << endl;
  out_ << "Flush left" << endl;
  out_ << "Metric" << endl;
  out_ << "A4" << endl;
  out_ << "100" << endl;
  out_ << "Single" << endl;
  out_ << "0" << endl;
  // out << "254 2" << endl; // 1fig unit = 0.1mm
  out_ << "72 2" << endl; // 1fig unit = 1pt

  // Color definitions:
  out_ << "#Color definitions:" << endl;
  vector<unsigned int> codes = colorManager_.getCodes();
  vector<RGBColor> colors    = colorManager_.getColors();
  for (unsigned int i = 32; i < colorManager_.getNumberOfColors(); i++)
  {
    string hexCode = colors[i].toHex();
    out_ << "0 " << codes[i] << " " << hexCode << endl;
  }

  // Print content:
  out_ << "#Drawing content:" << endl;
  for (unsigned int i = 0; i < content_.size(); i++)
  {
    out_ << content_[i] << endl;
  }
}

void XFigGraphicDevice::setCurrentForegroundColor(const RGBColor& color)
{
  fgColorCode_ = colorManager_.getCode(color);
  AbstractGraphicDevice::setCurrentForegroundColor(color);
}

void XFigGraphicDevice::setCurrentBackgroundColor(const RGBColor& color)
{
  bgColorCode_ = colorManager_.getCode(color);
  AbstractGraphicDevice::setCurrentBackgroundColor(color);
}

void XFigGraphicDevice::setCurrentFont(const Font& font)
{
  if (fontFlag_ == FONTFLAG_LATEX)
    fontCode_ = latexFontManager_.getCode(font);
  else if (fontFlag_ == FONTFLAG_POSTSCRIPT)
    fontCode_ = postscriptFontManager_.getCode(font);
  else
    fontCode_ = 0;
  fontSize_ = font.getSize();
  AbstractGraphicDevice::setCurrentFont(font);
}

void XFigGraphicDevice::drawLine(double x1, double y1, double x2, double y2)
{
  ostringstream oss;
  oss << "2 1 " << lineTypeCode_ << " " << getCurrentPointSize()
      << " " << fgColorCode_
      << " " << bgColorCode_
      << " " << getCurrentLayer()
      << " " << "-1 -1 -1 0 0 0 0 0 2" << endl;
  oss << round(x_(x1)) << " " << round(y_(y1)) << endl;
  oss << round(x_(x2)) << " " << round(y_(y2));
  content_.push_back(oss.str());
}

void XFigGraphicDevice::drawRect(double x, double y, double width, double height, short fill)
{
  ostringstream oss;
  oss << "2 2 0 " << getCurrentPointSize()
      << " " << fgColorCode_
      << " " << bgColorCode_
      << " " << getCurrentLayer()
      << " " << "-1"
      << " " << getFillCode(fill) << " -1 0 0 0 0 0 5" << endl;
  oss << round(x) << " " << round(y) << endl;
  oss << round(x_(x + width)) << " " << round(y_(y)) << endl;
  oss << round(x_(x + width)) << " " << round(y_(y + height)) << endl;
  oss << round(x_(x)) << " " << round(y_(y + height)) << endl;
  oss << round(x_(x)) << " " << round(y_(y));
  content_.push_back(oss.str());
}

void XFigGraphicDevice::drawCircle(double x, double y, double radius, short fill)
{
  ostringstream oss;
  oss << "1 3 0 " << getCurrentPointSize()
      << " " << fgColorCode_
      << " " << bgColorCode_
      << " " << getCurrentLayer()
      << " " << "-1"
      << " " << getFillCode(fill) << " -1 1 0 "
      << round(x_(x)) << " " << round(y_(y)) << " "
      << round(x_(radius)) << " " << round(y_(radius)) << " "
      << round(x_(x + radius)) << " " << round(y_(y)) << " "
      << round(x_(x + radius)) << " " << round(y_(y)) << endl;
  content_.push_back(oss.str());
}

void XFigGraphicDevice::drawText(double x, double y, const std::string& text, short hpos, short vpos, double angle)
{
  int xrel = static_cast<int>(round(x_(x)));
  short sub = 0;
  if (hpos == TEXT_HORIZONTAL_LEFT)
    sub = 0;
  else if (hpos == TEXT_HORIZONTAL_CENTER)
    sub = 1;
  else if (hpos == TEXT_HORIZONTAL_RIGHT)
    sub = 2;
  else
    throw UnvalidFlagException("XFigGraphicDevice::drawText(). Bad horizontal text alignment flag: " + TextTools::toString(hpos));

  int yrel = 0;
  if (vpos == TEXT_VERTICAL_BOTTOM)
    yrel = static_cast<int>(round(y_(y - 1.)));
  else if (vpos == TEXT_VERTICAL_CENTER)
    yrel = static_cast<int>(round(y + fontSize_ / 2 - 1));
  else if (vpos == TEXT_VERTICAL_TOP)
    yrel = static_cast<int>(round(y - fontSize_));
  else
    throw UnvalidFlagException("XFigGraphicDevice::drawText(). Bad vertical text alignment flag: " + TextTools::toString(vpos));

  ostringstream oss;
  oss << "4 " << sub << " " << fgColorCode_ << " " << 50 << " " << -1 << " " << fontCode_ << " " << fontSize_ << " "
      << angle << " " << fontFlag_ << " " << -1 << " " << -1 << " " << xrel << " " << yrel << " " << text << "\\001";
  content_.push_back(oss.str());
}

int XFigGraphicDevice::getFillCode(short fill)
{
  if (fill == FILL_EMPTY)
    return -1;
  if (fill == FILL_FILLED)
    return 20;
  if (fill == FILL_PATTERN)
  {
    // TODO: define a field names currentPattern_, etc.
  }
  // Temp:
  return 20;
}