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flightgear/src/Cockpit/hud_labl.cxx
2001-03-24 06:03:11 +00:00

168 lines
4.7 KiB
C++

#include "hud.hxx"
#ifdef USE_HUD_TextList
#define textString( x , y, text, font ) TextString( text, x , y )
#else
#define textString( x , y, text, font ) puDrawString ( guiFnt, text, x, y );
#endif
//======================= Top of instr_label class =========================
instr_label ::
instr_label( int x,
int y,
UINT width,
UINT height,
FLTFNPTR data_source,
const char *label_format,
const char *pre_label_string,
const char *post_label_string,
float scale_data,
UINT options,
fgLabelJust justification,
int font_size,
int blinking,
bool latitude,
bool longitude,
bool working):
instr_item( x, y, width, height,
data_source,scale_data,options, working ),
pformat ( label_format ),
pre_str ( pre_label_string ),
post_str ( post_label_string ),
justify ( justification ),
fontSize ( font_size ),
blink ( blinking ),
lat ( latitude ),
lon ( longitude )
{
if( pre_str != NULL) {
if( post_str != NULL ) {
sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
}
else {
sprintf( format_buffer, "%s%s", pre_str, pformat );
}
}
else {
if( post_str != NULL ) {
sprintf( format_buffer, "%s%s", pformat, post_str );
}
} // else do nothing if both pre and post strings are nulls. Interesting.
}
// I put this in to make it easy to construct a class member using the current
// C code.
instr_label :: ~instr_label()
{
}
// Copy constructor
instr_label :: instr_label( const instr_label & image) :
instr_item((const instr_item &)image),
pformat ( image.pformat ),
pre_str ( image.pre_str ),
post_str ( image.post_str ),
blink ( image.blink ),
lat ( image.lat ),
lon ( image.lon )
{
if( pre_str != NULL) {
if( post_str != NULL ) {
sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
}
else {
sprintf( format_buffer, "%s%s", pre_str, pformat );
}
}
else {
if( post_str != NULL ) {
sprintf( format_buffer, "%s%s", pformat, post_str );
}
} // else do nothing if both pre and post strings are nulls. Interesting.
}
instr_label & instr_label ::operator = (const instr_label & rhs )
{
if( !(this == &rhs)) {
instr_item::operator = (rhs);
pformat = rhs.pformat;
fontSize = rhs.fontSize;
blink = rhs.blink;
justify = rhs.justify;
pre_str = rhs.pre_str;
post_str = rhs.post_str;
lat = rhs.lat;
lon = rhs.lon;
strcpy(format_buffer,rhs.format_buffer);
}
return *this;
}
//
// draw Draws a label anywhere in the HUD
//
//
void instr_label ::
draw( void ) // Required method in base class
{
// char format_buffer[80];
char label_buffer[80];
int posincr;
int lenstr;
RECT scrn_rect = get_location();
if( data_available() ) {
if(lat)
sprintf( label_buffer, format_buffer, coord_format_lat(get_value()) );
else
if(lon)
sprintf( label_buffer, format_buffer, coord_format_lon(get_value()) );
else
sprintf( label_buffer, format_buffer, get_value() );
}
else {
sprintf( label_buffer, format_buffer );
}
lenstr = getStringWidth( label_buffer );
#ifdef DEBUGHUD
fgPrintf( SG_COCKPIT, SG_DEBUG, format_buffer );
fgPrintf( SG_COCKPIT, SG_DEBUG, "\n" );
fgPrintf( SG_COCKPIT, SG_DEBUG, label_buffer );
fgPrintf( SG_COCKPIT, SG_DEBUG, "\n" );
#endif
// lenstr = strlen( label_buffer );
if( justify == RIGHT_JUST ) {
posincr = scrn_rect.right - lenstr;
}else if( justify == CENTER_JUST ) {
posincr = get_span() - (lenstr/2); // -lenstr*4;
} else {
// justify == LEFT_JUST
posincr = 0; // 0;
}
if( fontSize == SMALL ) {
textString( scrn_rect.left + posincr, scrn_rect.top,
label_buffer, GLUT_BITMAP_8_BY_13);
}
else {
if( fontSize == LARGE ) {
textString( scrn_rect.left + posincr, scrn_rect.top,
label_buffer, GLUT_BITMAP_9_BY_15);
}
}
}