if( font == GLUT_BITMAP_TIMES_ROMAN_24 )
return &fgFontTimesRoman24;
- fgError( "font 0x%08x not found", font );
- return 0; /*** NOT REACHED ***/
+ fgWarning( "font 0x%08x not found", font );
+ return 0;
}
/*
if( font == GLUT_STROKE_MONO_ROMAN )
return &fgStrokeMonoRoman;
- fgError( "stroke font 0x%08x not found", font );
- return 0; /*** NOT REACHED ***/
+ fgWarning( "stroke font 0x%08x not found", font );
+ return 0;
}
SFG_Font* font = fghFontByID( fontID );
freeglut_return_if_fail( ( character >= 1 )&&( character < 256 ) );
+ freeglut_return_if_fail( font );
/*
* Find the character we want to draw (???)
void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
{
- int c;
- int numchar = strlen( (char *) string );
+ unsigned char c;
SFG_Font* font = fghFontByID( fontID );
float x = 0.0f ;
+ freeglut_return_if_fail( font );
+ if ( !string || ! *string )
+ return;
+
glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
glPixelStorei( GL_UNPACK_LSB_FIRST, GL_FALSE );
* A newline will simply translate the next character's insertion
* point back to the start of the line and down one line.
*/
- for( c = 0; c < numchar; c++ )
+ while( c = *string++ )
if( string[c] == '\n' )
{
glBitmap ( 0, 0, 0, 0, -x, (float) -font->Height, NULL );
}
else /* Not an EOL, draw the bitmap character */
{
- const GLubyte* face = font->Characters[ string[ c ] ];
+ const GLubyte* face = font->Characters[ c ];
glBitmap(
face[ 0 ], font->Height, /* Bitmap's width and height */
SFG_Font* font = fghFontByID( fontID );
freeglut_return_val_if_fail( character > 0 && character < 256, 0 );
+ freeglut_return_val_if_fail( font, 0 );
return *( font->Characters[ character ] );
}
*/
int FGAPIENTRY glutBitmapLength( void* fontID, const unsigned char* string )
{
- int c, length = 0, this_line_length = 0;
+ unsigned char c;
+ int length = 0, this_line_length = 0;
SFG_Font* font = fghFontByID( fontID );
- int numchar = strlen( (char *) string );
- for( c = 0; c < numchar; c++ )
+ freeglut_return_val_if_fail( font, 0 );
+ if ( !string || ! *string )
+ return 0;
+
+ while( c = *string++ )
{
- if( string[ c ] != '\n' )/* Not an EOL, increment length of line */
- this_line_length += *( font->Characters[ string[ c ] ]);
+ if( c != '\n' )/* Not an EOL, increment length of line */
+ this_line_length += *( font->Characters[ c ]);
else /* EOL; reset the length of this line */
{
if( length < this_line_length )
int FGAPIENTRY glutBitmapHeight( void* fontID )
{
SFG_Font* font = fghFontByID( fontID );
+ freeglut_return_val_if_fail( font, 0 );
return font->Height;
}
freeglut_return_if_fail( character >= 0 );
freeglut_return_if_fail( character < font->Quantity );
+ freeglut_return_if_fail( font );
schar = font->Characters[ character ];
freeglut_return_if_fail( schar );
void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
{
- int c, i, j;
- int numchar = strlen( (char *) string );
+ unsigned char c;
+ int i, j;
float length = 0.0;
SFG_StrokeFont* font = fghStrokeByID( fontID );
+ freeglut_return_if_fail( font );
+ if ( !string || ! *string )
+ return;
+
/*
* Step through the string, drawing each character.
* A newline will simply translate the next character's insertion
* point back to the start of the line and down one line.
*/
- for( c = 0; c < numchar; c++ )
- if( string[ c ] < font->Quantity )
+ while( c = *string++ )
+ if( c < font->Quantity )
{
- if( string[ c ] == '\n' )
+ if( c == '\n' )
{
glTranslatef ( -length, -( float )( font->Height ), 0.0 );
length = 0.0;
}
else /* Not an EOL, draw the bitmap character */
{
- const SFG_StrokeChar *schar = font->Characters[ string[ c ] ];
+ const SFG_StrokeChar *schar = font->Characters[ c ];
if( schar )
{
const SFG_StrokeStrip *strip = schar->Strips;
( character < font->Quantity ),
0
);
+ freeglut_return_val_if_fail( font, 0 );
schar = font->Characters[ character ];
freeglut_return_val_if_fail( schar, 0 );
*/
int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
{
- int c;
+ unsigned char c;
float length = 0.0;
float this_line_length = 0.0;
SFG_StrokeFont* font = fghStrokeByID( fontID );
- int numchar = strlen( (char *) string );
- for( c = 0; c < numchar; c++ )
- if( string[ c ] < font->Quantity )
+ freeglut_return_val_if_fail( font, 0 );
+ if ( !string || ! *string )
+ return 0;
+
+ while( c = *string++ )
+ if( c < font->Quantity )
{
- if( string[ c ] == '\n' ) /* EOL; reset the length of this line */
+ if( c == '\n' ) /* EOL; reset the length of this line */
{
if( length < this_line_length )
length = this_line_length;
}
else /* Not an EOL, increment the length of this line */
{
- const SFG_StrokeChar *schar = font->Characters[ string[ c ] ];
+ const SFG_StrokeChar *schar = font->Characters[ c ];
if( schar )
this_line_length += schar->Right;
}
GLfloat FGAPIENTRY glutStrokeHeight( void* fontID )
{
SFG_StrokeFont* font = fghStrokeByID( fontID );
+ freeglut_return_val_if_fail( font, 0.0 );
return font->Height;
}