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//
// SimpleLASiExample.cpp
//
#include <iostream>
#include <fstream>
#include <stdexcept>
#include <LASi.h>
using namespace LASi;
using namespace std;
int main(const int argc, char* const argv[])
{
ofstream strm;
try {
PostscriptDocument doc;
double xAdvance,yMinimum,yMaximum,lineSpacing,yDelta;
double llx,urx,lly,ury;
//
// Set font to generic "serif":
//
doc.osBody() << setFont("serif") << setFontSize(18) << endl;
//
// "Hello" in formal Arabic, English, Hebrew, and Hindi.
//
// See http://www.unifont.org/fontguide/
// if you need fonts for these scripts:
//
char testString[]="السلام عليكم Hello שלום नमस्ते";
//
// Get string dimensions:
//
doc.get_dimensions(testString,&lineSpacing,&xAdvance,&yMinimum,&yMaximum);
//
// cerr << endl;
// cerr << "X-ADVANCE : " << xAdvance << endl;
// cerr << "Y-MINIMUM : " << yMinimum << endl;
// cerr << "Y-MAXIMUM : " << yMaximum << endl;
// cerr << "LINESPACING: " << lineSpacing << endl;
//
//
// Draw a rectangle showing the bounding box of the string:
//
yDelta=yMaximum-yMinimum;
doc.osBody() << "gsave newpath" << endl;
doc.osBody() << "1.00 0.00 0.00 setrgbcolor" << endl;
doc.osBody() << "100 600 moveto" << endl;
doc.osBody() << 0 << " " << yMinimum << " rmoveto " << endl;
doc.osBody() << 0 << " " << yDelta << " rlineto " << endl;
doc.osBody() << xAdvance << " " << 0 << " rlineto " << endl;
doc.osBody() << 0 << " " << -yDelta << " rlineto " << endl;
doc.osBody() << "closepath" << endl;
doc.osBody() << "stroke grestore" << endl;
//
// Show the string:
//
doc.osBody() << "100 600 moveto" << endl;
doc.osBody() << show(testString);
//
// Advance to the next line:
//
doc.osBody() << "100 600 moveto" << endl;
doc.osBody() << "0 " << -lineSpacing << " rmoveto" << endl;
//
// Print the test string again:
//
doc.osBody() << show(testString);
//
// Postscript showpage:
//
doc.osBody() << "showpage" << endl;
// Calculate total bounding box
llx = 100-1;
urx = 100+xAdvance+1;
lly = 600-lineSpacing+yMinimum-1;
ury = 600+yMaximum+1;
// Write out postscript document, including bounding box.
// If the bounding box arguments are omitted then no
// bounding box is included in the file.
//
if (argc == 1) {
doc.write(cout,llx,lly,urx,ury);
}
else {
strm.open(argv[1]);
doc.write(strm,llx,lly,urx,ury);
strm.close();
}
} catch (runtime_error& e) {
cerr << e.what() << endl;
return 1;
}
return 0;
}
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