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// MySVG: simple SVG routines
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MySVG.h"
/*
* start_svg( w, h );
* Generate the xml, doctype and svg tags, width $w by height $h
*/
void start_svg( int w, int h )
{
printf( "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" );
printf( "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n" );
printf( "<svg width=\"%d\" height=\"%d\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n", w, h );
}
/*
* end_svg();
* Generate the end svg tag at the end of our svg document
*/
void end_svg( void )
{
printf( "</svg>\n" );
}
static char colour[100] = "red";
static int linewidth = 4;
/*
* setcolour( colourname );
* Set the current colour.
*/
void setcolour( char *colourname )
{
strcpy( colour, colourname );
}
/*
* setlinewidth( lw );
* Set the line width.
*/
void setlinewidth( int lw )
{
linewidth = lw;
}
/*
* point( x, y );
* Plot a point.
*/
void point( int x, int y )
{
printf( " <circle cx=\"%d\" cy=\"%d\" r=\"1\" fill=\"%s\" stroke-width=\"0\" />\n", x, y, colour );
}
/*
* line( x1, y1, x2, y2 );
* Draw a line from (x1,y1) to (x2,y2)
*/
void line( int x1, int y1, int x2, int y2 )
{
printf( " <line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke=\"%s\" stroke-width=\"%d\" />\n",
x1, y1, x2, y2, colour, linewidth );
}
/*
* rect( x1, y1, x2, y2 );
* Draw a rectangle from (x1,y1) to (x2,y2)
*/
void rect( int x1, int y1, int x2, int y2 )
{
int w = 1+x2-x1;
int h = 1+y2-y1;
printf( " <rect x1=\"%d\" y1=\"%d\" width=\"%d\" height=\"%d\" fill=\"white\" stroke=\"%s\" stroke-width=\"%d\" />\n",
x1, y1, w, h, colour, linewidth );
}
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