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flightgear/Cockpit/hud_labl.cxx
1998-07-08 14:41:08 +00:00

140 lines
3.9 KiB
C++

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <Aircraft/aircraft.h>
#include <Debug/fg_debug.h>
#include <Include/fg_constants.h>
#include <Math/fg_random.h>
#include <Math/mat3.h>
#include <Math/polar3d.hxx>
#include <Scenery/scenery.hxx>
#include <Time/fg_timer.hxx>
#include <Weather/weather.h>
#include "hud.hxx"
//======================= Top of instr_label class =========================
instr_label ::
instr_label( int x,
int y,
UINT width,
UINT height,
DBLFNPTR data_source,
const char *label_format,
const char *pre_label_string,
const char *post_label_string,
UINT options,
fgLabelJust justification,
int font_size,
int blinking,
bool working ):
instr_item( x, y, width, height,
data_source, options, working ),
pformat ( label_format ),
pre_str ( pre_label_string ),
post_str ( post_label_string ),
justify ( justification ),
fontSize ( font_size ),
blink ( blinking )
{
}
// 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 )
{
}
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;
}
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( 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.
sprintf( label_buffer, format_buffer, get_value() );
#ifdef DEBUGHUD
fgPrintf( FG_COCKPIT, FG_DEBUG, format_buffer );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
fgPrintf( FG_COCKPIT, FG_DEBUG, label_buffer );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
#endif
lenstr = strlen( label_buffer );
posincr = 0; // default to RIGHT_JUST ... center located calc: -lenstr*8;
if( justify == CENTER_JUST ) {
posincr = - (lenstr << 2); // -lenstr*4;
}
else {
if( justify == LEFT_JUST ) {
posincr = - (lenstr << 8); // 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);
}
}
}