void GfxGlEngine::drawPicture(const Picture &picture, const int dx, const int dy)
{
GLuint aTextureID = picture._glTextureID;
int x0 = dx+picture.get_xoffset();
int x1 = x0+picture.get_width();
int y0 = dy-picture.get_yoffset();
int y1 = y0+picture.get_height();
// Bind the texture to which subsequent calls refer to
glBindTexture( GL_TEXTURE_2D, aTextureID);
glBegin( GL_QUADS );
//Bottom-left vertex (corner)
glTexCoord2i( 0, 0 );
glVertex2f( x0, y0 );
//Bottom-right vertex (corner)
glTexCoord2i( 1, 0 );
glVertex2f( x1, y0 );
//Top-right vertex (corner)
glTexCoord2i( 1, 1 );
glVertex2f( x1, y1 );
//Top-left vertex (corner)
glTexCoord2i( 0, 1 );
glVertex2f( x0, y1 );
glEnd();
}
int main (int argc, char *argv[]) {
ofstream output;
char in;
int width, c, d;
string filename, line;
if ((argc > 1) && (!strcmp (argv[1], "/?"))) {usage (); exit (0);}
if (argc > 2) { // Do we have an output file?
filename = argv[2];
} else {
if (argc > 1) {
filename = argv[1];
int n = filename.find_last_of('\\');
filename.erase(n + 1, filename.length() - n);
filename.append("Enpict.txt");
} else filename = "Enpict.txt";
}
output.open(filename.c_str ());
if (!output.is_open ()) {
cout << "Unable to open " << filename << " for writing.\n\n";
usage (); exit (0);
}
Picture pict;
if (argc > 1) { // Do we have an input file?
ifstream input (argv[1]);
if (!input.is_open ()) {
cout << "Unable to open " << argv[1] << " for reading.\n\n";
return 0;
}
streamsize longest = 0;
while (input.ignore(numeric_limits< streamsize >::max(), '\n'))
longest = max(longest, input.gcount());
pict.set_width (--longest);
input.clear();
input.seekg (0, ios::beg);
while (getline(input, line)) {
for (string::const_iterator d = line.begin(), end = line.end();
d != end; ++d) pict.enpict(*d);
for (int d = line.size(); d != longest; ++d)
pict.enpict (' ');
}
input.close ();
} else {
usage ();
cout << "\nInput the width of your picture : ";
cin >> width;
pict.set_width (width);
cout << "\nStart inputing the picture. All non-space characters will be\n"
<< "treated the same. Input a blank line to quit\n";
cout << ":"; for (c = 0; c < width; c++) cout << '-';
cout << ":\n:";
cin >> ws;
c = 0; in = cin.get ();
while (in != '\n') {
c++; pict.enpict (in);
in = cin.get ();
if (c == width) while (in != '\n') in = cin.get ();
if (in == '\n') {
while (c++ < width) pict.enpict (' ');
cout << ':';
c = 0; in = cin.get ();
}
}
}
cout << "Encoded picture data for Depicter.c:\n\nstring code =\n\"";
output << "string code =\n\"";
string temp = pict.get_code();
d = 0;
for (c = 0; c < temp.length ();c++) {
if ((temp.at(c) == '"') || (temp.at(c) == '\\'))
{cout << '\\'; output << '\\'; d++;}
cout << temp.at(c); output << temp.at(c);
if (!(++d % 77)) {cout << "\"\n\""; output << "\"\n\"";}
}
cout << "\";\nint width = " << pict.get_width() << ";\n";
output << "\";\nint width = " << pict.get_width() << ";\n";
output.close ();
cout << "\nPress ENTER to continue...";
getline (cin, line);
}