bool OglRenderer::getStringBBox(char *font, double size, char *string, rectObj *rect, double** advances)
{
FTFont* face = getFTFont(font, size);
if (!face) {
msSetError(MS_OGLERR, "Failed to load font (%s).", "OglRenderer::getStringBBox()", font);
return false;
}
float llx =0.0f, lly=0.0f, llz=0.0f, urx=0.0f, ury=0.0f, urz=0.0f;
glPushAttrib( GL_ALL_ATTRIB_BITS );
FTBBox boundingBox = face->BBox(string);
glPopAttrib();
rect->minx = boundingBox.Lower().X();
rect->maxx = boundingBox.Upper().X();
rect->miny = -boundingBox.Upper().Y();
rect->maxy = -boundingBox.Lower().Y();
if (advances) {
int length = strlen(string);
*advances = new double[length];
for (int i = 0; i < length; ++i) {
(*advances)[i] = face->Advance(&string[i], 1);
}
}
return true;
}
int process_lines()
{
if (!ftfont) return 0;
vsx_string<>deli = "\n";
vsx_nw_vector< vsx_string<> > t_lines;
vsx_string_helper::explode(text_in->get(), deli, t_lines);
lines.clear();
for (unsigned long i = 0; i < t_lines.size(); ++i)
{
float x1, y1, z1, x2, y2, z2;
lines[i].string = t_lines[i];
ftfont->BBox(t_lines[i].c_str(), x1, y1, z1, x2, y2, z2);
lines[i].size_x = x2 - x1;
lines[i].size_y = y2 - y1;
}
return 1;
}
AudicleFTGLFont( char * name ) {
glEnable ( GL_TEXTURE_2D );
char fontlocation[512];
strncpy ( fontlocation, fontpath, 512 );
strncat ( fontlocation, name, 512 - strlen ( fontlocation ) );
m_font = new FTGLTextureFont ( fontlocation );
if ( m_font->Error() ) {
fprintf(stderr, "AudicleFTGLFont: font load error %d - exiting\n", m_font->Error() );
exit(1);
}
else {
if ( !m_font->FaceSize(18) ) {
fprintf(stderr, "AudicleFTGLFont: font size error %d - exiting\n", m_font->Error() );
exit(1);
}
m_name = name;
m_font->Depth(2);
m_font->CharMap(ft_encoding_unicode);
glDisable ( GL_TEXTURE_2D );
float x1, y1, z1, x2, y2, z2;
m_font->BBox( samplestring , x1, y1, z1, x2, y2, z2);
m_height = y2;
m_line_height = m_font->LineHeight();
m_height_unit_scale = 1.0 / m_height ;
m_line_unit_scale = 1.0 / m_line_height ;
m_mono_width = m_height;
}
}
void FTGLText::adjustVolume(Volume & volume)
{
FTGLFontPtr font = getFont();
if(font == NullFC)
{
FWARNING(("FTGLText::adjustVolume: no font set!\n"));
return;
}
FTFont *f = font->_fonts[NULL];
if(f == NULL)
{
font->handleGL(NULL, Window::reinitialize);
f = font->_fonts[NULL];
}
volume.setValid();
volume.setEmpty();
volume.extendBy(getPosition());
float x1, y1, z1, x2, y2, z2, px, py, pz;
f->BBox(getText().c_str(), x1, y1, z1, x2, y2, z2);
px = getPosition()[0];
py = getPosition()[1];
pz = getPosition()[2];
volume.extendBy(Pnt3f(px + x1, py + y1, pz + z1));
volume.extendBy(Pnt3f(px + x2, py + y1, pz + z1));
volume.extendBy(Pnt3f(px + x1, py + y2, pz + z1));
volume.extendBy(Pnt3f(px + x2, py + y2, pz + z1));
volume.extendBy(Pnt3f(px + x1, py + y1, pz + z2));
volume.extendBy(Pnt3f(px + x2, py + y1, pz + z2));
volume.extendBy(Pnt3f(px + x1, py + y2, pz + z2));
volume.extendBy(Pnt3f(px + x2, py + y2, pz + z2));
}