Magick++  7.0.7
Convert, Edit, Or Compose Bitmap Images
piddle.cpp
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1 // This may look like C code, but it is really -*- C++ -*-
2 //
3 // Copyright Bob Friesenhahn, 1999, 2000, 2002, 2003
4 //
5 // PerlMagick "piddle" demo re-implemented using Magick++ methods.
6 // The PerlMagick "piddle" demo is written by Cristy
7 //
8 
9 #include <Magick++.h>
10 #include <string>
11 #include <iostream>
12 
13 using namespace std;
14 
15 using namespace Magick;
16 
17 int main( int /*argc*/, char ** argv)
18 {
19 
20  // Initialize ImageMagick install location for Windows
21  InitializeMagick(*argv);
22 
23  try {
24 
25  string srcdir("");
26  if(getenv("SRCDIR") != 0)
27  srcdir = getenv("SRCDIR");
28 
29  //
30  // Create a 300x300 white canvas.
31  //
32  Image image( "300x300", "white" );
33 
34  // Drawing list
35  std::vector<Magick::Drawable> drawList;
36 
37  // Start drawing by pushing a drawing context with specified
38  // viewbox size
39  drawList.push_back(DrawablePushGraphicContext());
40  drawList.push_back(DrawableViewbox(0,0,image.columns(),image.rows()));
41 
42  //
43  // Draw blue grid
44  //
45  drawList.push_back(DrawableStrokeColor("#ccf"));
46  for ( int i=0; i < 300; i += 10 )
47  {
48  drawList.push_back(DrawableLine(i,0, i,300));
49  drawList.push_back(DrawableLine(0,i, 300,i));
50  }
51 
52  //
53  // Draw rounded rectangle.
54  //
55  drawList.push_back(DrawableFillColor("blue"));
56  drawList.push_back(DrawableStrokeColor("red"));
57  drawList.push_back(DrawableRoundRectangle(15,15, 70,70, 10,10));
58 
59  drawList.push_back(DrawableFillColor("blue"));
60  drawList.push_back(DrawableStrokeColor("maroon"));
61  drawList.push_back(DrawableStrokeWidth(4));
62  drawList.push_back(DrawableRoundRectangle(15,15, 70,70, 10,10));
63 
64  //
65  // Draw curve.
66  //
67  {
68  drawList.push_back(DrawableStrokeColor("black"));
69  drawList.push_back(DrawableStrokeWidth(4));
70  drawList.push_back(DrawableFillColor(Color()));
71 
72  std::vector<Magick::Coordinate> points;
73  points.push_back(Coordinate(20,20));
74  points.push_back(Coordinate(100,50));
75  points.push_back(Coordinate(50,100));
76  points.push_back(Coordinate(160,160));
77  drawList.push_back(DrawableBezier(points));
78  }
79 
80  //
81  // Draw line
82  //
83  {
84  const double dash_array[] = {4.0, 3.0, 0.0};
85  drawList.push_back(DrawableStrokeDashArray(dash_array));
86  drawList.push_back(DrawableStrokeColor("red"));
87  drawList.push_back(DrawableStrokeWidth(1));
88  drawList.push_back(DrawableLine(10,200, 54,182));
89  drawList.push_back(DrawableStrokeDashArray((double *) 0));
90  }
91 
92  //
93  // Draw arc within a circle.
94  //
95  drawList.push_back(DrawableStrokeColor("black"));
96  drawList.push_back(DrawableFillColor("yellow"));
97  drawList.push_back(DrawableStrokeWidth(4));
98  drawList.push_back(DrawableCircle(160,70, 200,70));
99 
100  drawList.push_back(DrawableStrokeColor("black"));
101  drawList.push_back(DrawableFillColor("blue"));
102  drawList.push_back(DrawableStrokeWidth(4));
103  {
104  std::vector<VPath> path;
105  path.push_back(PathMovetoAbs(Coordinate(160,70)));
106  path.push_back(PathLinetoVerticalRel(-40));
107  path.push_back(PathArcRel(PathArcArgs(40,40, 0, 0, 0, -40,40)));
108  path.push_back(PathClosePath());
109  drawList.push_back(DrawablePath(path));
110  }
111 
112  //
113  // Draw pentogram.
114  //
115  {
116  drawList.push_back(DrawableStrokeColor("red"));
117  drawList.push_back(DrawableFillColor("LimeGreen"));
118  drawList.push_back(DrawableStrokeWidth(3));
119 
120  std::vector<Magick::Coordinate> points;
121  points.push_back(Coordinate(160,120));
122  points.push_back(Coordinate(130,190));
123  points.push_back(Coordinate(210,145));
124  points.push_back(Coordinate(110,145));
125  points.push_back(Coordinate(190,190));
126  points.push_back(Coordinate(160,120));
127  drawList.push_back(DrawablePolygon(points));
128  }
129 
130  //
131  // Draw rectangle.
132  //
133  drawList.push_back(DrawableStrokeWidth(5));
134  drawList.push_back(DrawableFillColor(Color())); // No fill
135  drawList.push_back(DrawableStrokeColor("yellow"));
136  drawList.push_back(DrawableLine(200,260, 200,200));
137  drawList.push_back(DrawableLine(200,200, 260,200));
138  drawList.push_back(DrawableStrokeColor("red"));
139  drawList.push_back(DrawableLine(260,200, 260,260));
140  drawList.push_back(DrawableStrokeColor("green"));
141  drawList.push_back(DrawableLine(200,260, 260,260));
142 
143  //
144  // Draw text.
145  //
146  drawList.push_back(DrawableFillColor("green"));
147  drawList.push_back(DrawableStrokeColor(Color())); // unset color
148  drawList.push_back(DrawablePointSize(24));
149  drawList.push_back(DrawableTranslation(30,140));
150  drawList.push_back(DrawableRotation(45.0));
151  drawList.push_back(DrawableText(0,0,"This is a test!"));
152 
153  // Finish drawing by popping back to base context.
154  drawList.push_back(DrawablePopGraphicContext());
155 
156  // Draw everything using completed drawing list
157  // image.debug(true);
158  image.draw(drawList);
159 
160  // image.write( "piddle.mvg" );
161 
162  cout << "Writing image \"piddle_out.miff\" ..." << endl;
163  image.depth( 8 );
164  image.compressType( RLECompression );
165  image.write( "piddle_out.miff" );
166  cout << "Writing MVG metafile \"piddle_out.mvg\" ..." << endl;
167  image.write( "piddle_out.mvg" );
168 
169  // cout << "Display image..." << endl;
170  // image.display( );
171 
172  }
173  catch( exception &error_ )
174  {
175  cout << "Caught exception: " << error_.what() << endl;
176  return 1;
177  }
178 
179  return 0;
180 }
class MagickPPExport Color
Definition: Color.h:16
int main(int, char **argv)
Definition: piddle.cpp:17
STL namespace.
void write(Blob *blob_)
Definition: Image.cpp:4867
void draw(const Drawable &drawable_)
Definition: Image.cpp:2786
size_t rows(void) const
Definition: Image.cpp:1351
size_t columns(void) const
Definition: Image.cpp:589
Definition: Blob.h:15
MagickPPExport void InitializeMagick(const char *path_)
Definition: Functions.cpp:43
void depth(const size_t depth_)
Definition: Image.cpp:692
void compressType(const CompressionType compressType_)
Definition: Image.cpp:629