piddle.cpp

// This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2002, 2003
//
// Copyright @ 2013 ImageMagick Studio LLC, a non-profit organization
// dedicated to making software imaging solutions freely available.
//
// PerlMagick "piddle" demo re-implemented using Magick++ methods.
// The PerlMagick "piddle" demo is written by Cristy
//
 
#include <Magick++.h>
#include <cstdlib>
#include <string>
#include <iostream>
 
using namespace std;
 
using namespace Magick;
 
int main( int /*argc*/, char ** argv)
{
 
  // Initialize ImageMagick install location for Windows
  MagickPlusPlusGenesis genesis(*argv);
 
  try {
 
    string srcdir("");
    if(getenv("SRCDIR") != 0)
      srcdir = getenv("SRCDIR");
 
    //
    // Create a 300x300 white canvas.
    //
    Image image( "300x300", "white" );
 
    // Drawing list
    std::vector<Magick::Drawable> drawList;
 
    // Start drawing by pushing a drawing context with specified
    // viewbox size
    drawList.push_back(DrawablePushGraphicContext());
    drawList.push_back(DrawableViewbox(0,0,(ssize_t) image.columns(),
      (ssize_t) image.rows()));
 
    //
    // Draw blue grid
    //
    drawList.push_back(DrawableStrokeColor("#ccf"));
    for ( int i=0; i < 300; i += 10 )
      {
        drawList.push_back(DrawableLine(i,0, i,300));
        drawList.push_back(DrawableLine(0,i, 300,i));
      }
 
    //
    // Draw rounded rectangle.
    //
    drawList.push_back(DrawableFillColor("blue"));
    drawList.push_back(DrawableStrokeColor("red"));
    drawList.push_back(DrawableRoundRectangle(15,15, 70,70, 10,10));
 
    drawList.push_back(DrawableFillColor("blue"));
    drawList.push_back(DrawableStrokeColor("maroon"));
    drawList.push_back(DrawableStrokeWidth(4));
    drawList.push_back(DrawableRoundRectangle(15,15, 70,70, 10,10));
 
    //
    // Draw curve.
    //
    {
      drawList.push_back(DrawableStrokeColor("black"));
      drawList.push_back(DrawableStrokeWidth(4));
      drawList.push_back(DrawableFillColor(Color()));
 
      std::vector<Magick::Coordinate> points;
      points.push_back(Coordinate(20,20));
      points.push_back(Coordinate(100,50));
      points.push_back(Coordinate(50,100));
      points.push_back(Coordinate(160,160));
      drawList.push_back(DrawableBezier(points));
    }
 
    //
    // Draw line
    //
    {
      const double dash_array[] = {4.0, 3.0, 0.0};
      drawList.push_back(DrawableStrokeDashArray(dash_array));
      drawList.push_back(DrawableStrokeColor("red"));
      drawList.push_back(DrawableStrokeWidth(1));
      drawList.push_back(DrawableLine(10,200, 54,182));
      drawList.push_back(DrawableStrokeDashArray((double *) 0));
    }
 
    //
    // Draw arc within a circle.
    //
    drawList.push_back(DrawableStrokeColor("black"));
    drawList.push_back(DrawableFillColor("yellow"));
    drawList.push_back(DrawableStrokeWidth(4));
    drawList.push_back(DrawableCircle(160,70, 200,70));
 
    drawList.push_back(DrawableStrokeColor("black"));
    drawList.push_back(DrawableFillColor("blue"));
    drawList.push_back(DrawableStrokeWidth(4));
    {
      std::vector<VPath> path;
      path.push_back(PathMovetoAbs(Coordinate(160,70)));
      path.push_back(PathLinetoVerticalRel(-40));
      path.push_back(PathArcRel(PathArcArgs(40,40, 0, 0, 0, -40,40)));
      path.push_back(PathClosePath());
      drawList.push_back(DrawablePath(path));
    }
 
    //
    // Draw pentagram.
    //
    {
      drawList.push_back(DrawableStrokeColor("red"));
      drawList.push_back(DrawableFillColor("LimeGreen"));
      drawList.push_back(DrawableStrokeWidth(3));
 
      std::vector<Magick::Coordinate> points;
      points.push_back(Coordinate(160,120));
      points.push_back(Coordinate(130,190));
      points.push_back(Coordinate(210,145));
      points.push_back(Coordinate(110,145));
      points.push_back(Coordinate(190,190));
      points.push_back(Coordinate(160,120));
      drawList.push_back(DrawablePolygon(points));
    }
 
    //
    // Draw rectangle.
    //
    drawList.push_back(DrawableStrokeWidth(5));
    drawList.push_back(DrawableFillColor(Color())); // No fill
    drawList.push_back(DrawableStrokeColor("yellow"));
    drawList.push_back(DrawableLine(200,260, 200,200));
    drawList.push_back(DrawableLine(200,200, 260,200));
    drawList.push_back(DrawableStrokeColor("red"));
    drawList.push_back(DrawableLine(260,200, 260,260));
    drawList.push_back(DrawableStrokeColor("green"));
    drawList.push_back(DrawableLine(200,260, 260,260));
 
    //
    // Draw text.
    //
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
    if (getenv("MAGICK_FONT") != 0)
      drawList.push_back(DrawableFont(string(getenv("MAGICK_FONT"))));
    drawList.push_back(DrawableFillColor("green"));
    drawList.push_back(DrawableStrokeColor(Color())); // unset color
    drawList.push_back(DrawablePointSize(24));
    drawList.push_back(DrawableTranslation(30,140));
    drawList.push_back(DrawableRotation(45.0));
    drawList.push_back(DrawableText(0,0,"This is a test!"));
#endif
 
    // Finish drawing by popping back to base context.
    drawList.push_back(DrawablePopGraphicContext());
 
    // Draw everything using completed drawing list
    //    image.debug(true);
    image.draw(drawList);
 
    //     image.write( "piddle.mvg" );
 
    cout << "Writing image \"piddle_out.miff\" ..." << endl;
    image.depth( 8 );
    image.compressType( RLECompression );
    image.write( "piddle_out.miff" );
    cout << "Writing MVG metafile \"piddle_out.mvg\" ..." << endl;
    image.write( "mvg:piddle_out.mvg" );
 
    //     cout << "Display image..." << endl;
    //     image.display( );
 
  }
  catch( exception &error_ )
    {
      cout << "Caught exception: " << error_.what() << endl;
      return 1;
    }
  
  return 0;
}