84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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//
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// Copyright Bob Friesenhahn, 2000, 2001, 2003
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//
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// Demo of text annotation with gravity. Produces an animation showing
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// the effect of rotated text assize_t with various gravity specifications.
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//
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// After running demo program, run 'animate gravity_out.miff' if you
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// are using X-Windows to see an animated result.
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//
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// Concept and algorithms lifted from PerlMagick demo script written
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// by John Christy.
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//
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#include <Magick++.h>
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#include <string>
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#include <iostream>
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#include <list>
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using namespace std;
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using namespace Magick;
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int main( int /*argc*/, char ** argv)
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{
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// Initialize ImageMagick install location for Windows
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InitializeMagick(*argv);
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try {
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string srcdir("");
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if(getenv("SRCDIR") != 0)
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srcdir = getenv("SRCDIR");
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int x = 100;
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int y = 100;
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list<Image> animation;
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Image base( Geometry(600,600), Color("white") );
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base.depth(8);
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base.strokeColor("#600");
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base.fillColor(Color());
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base.draw( DrawableLine( 300,100, 300,500 ) );
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base.draw( DrawableLine( 100,300, 500,300 ) );
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base.draw( DrawableRectangle( 100,100, 500,500 ) );
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base.density( Point(72,72) );
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base.strokeColor(Color());
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base.fillColor("#600");
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base.fontPointsize( 30 );
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base.boxColor( "red" );
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base.animationDelay( 20 );
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base.compressType( RLECompression );
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for ( int angle = 0; angle < 360; angle += 30 )
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{
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cout << "angle " << angle << endl;
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Image pic = base;
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pic.annotate( "NorthWest", Geometry(0,0,x,y), NorthWestGravity, angle );
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pic.annotate( "North", Geometry(0,0,0,y), NorthGravity, angle );
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pic.annotate( "NorthEast", Geometry(0,0,x,y), NorthEastGravity, angle );
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pic.annotate( "East", Geometry(0,0,x,0), EastGravity, angle );
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pic.annotate( "Center", Geometry(0,0,0,0), CenterGravity, angle );
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pic.annotate( "SouthEast", Geometry(0,0,x,y), SouthEastGravity, angle );
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pic.annotate( "South", Geometry(0,0,0,y), SouthGravity, angle );
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pic.annotate( "SouthWest", Geometry(0,0,x,y), SouthWestGravity, angle );
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pic.annotate( "West", Geometry(0,0,x,0), WestGravity, angle );
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animation.push_back( pic );
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}
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cout << "Writing image \"gravity_out.miff\" ..." << endl;
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writeImages( animation.begin(), animation.end(), "gravity_out.miff" );
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// system( "animate gravity_out.miff" );
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}
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catch( exception &error_ )
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{
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cout << "Caught exception: " << error_.what() << endl;
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return 1;
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}
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return 0;
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}
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