* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "../include/GL/freeglut.h"
+#include <GL/freeglut.h>
#include "freeglut_internal.h"
/*
*/
static SFG_Font* fghFontByID( void* font )
{
- /*
- * XXX Use a macro, a table of some kind, or else split these
- * XXX statements properly. Jamming "return" on the end of an
- * XXX "if" is just bad style, IMHO.
- */
- if( font == GLUT_BITMAP_8_BY_13 ) return( &fgFontFixed8x13 );
- if( font == GLUT_BITMAP_9_BY_15 ) return( &fgFontFixed9x15 );
- if( font == GLUT_BITMAP_HELVETICA_10 ) return( &fgFontHelvetica10 );
- if( font == GLUT_BITMAP_HELVETICA_12 ) return( &fgFontHelvetica12 );
- if( font == GLUT_BITMAP_HELVETICA_18 ) return( &fgFontHelvetica18 );
- if( font == GLUT_BITMAP_TIMES_ROMAN_10 ) return( &fgFontTimesRoman10 );
- if( font == GLUT_BITMAP_TIMES_ROMAN_24 ) return( &fgFontTimesRoman24 );
- fgError( "font 0x%08x not found", font );
- return 0; /*** NOT REACHED ***/
+ if( font == GLUT_BITMAP_8_BY_13 )
+ return &fgFontFixed8x13;
+ if( font == GLUT_BITMAP_9_BY_15 )
+ return &fgFontFixed9x15;
+ if( font == GLUT_BITMAP_HELVETICA_10 )
+ return &fgFontHelvetica10;
+ if( font == GLUT_BITMAP_HELVETICA_12 )
+ return &fgFontHelvetica12;
+ if( font == GLUT_BITMAP_HELVETICA_18 )
+ return &fgFontHelvetica18;
+ if( font == GLUT_BITMAP_TIMES_ROMAN_10 )
+ return &fgFontTimesRoman10;
+ if( font == GLUT_BITMAP_TIMES_ROMAN_24 )
+ return &fgFontTimesRoman24;
+
+ fgWarning( "font 0x%08x not found", font );
+ return 0;
}
/*
*/
static SFG_StrokeFont* fghStrokeByID( void* font )
{
- /*
- * XXX Same comment as above about jamming "return" in after an
- * XXX "if".
- */
- if( font == GLUT_STROKE_ROMAN ) return( &fgStrokeRoman );
- if( font == GLUT_STROKE_MONO_ROMAN ) return( &fgStrokeMonoRoman );
- fgError( "stroke font 0x%08x not found", font );
- return 0; /*** NOT REACHED ***/
+ if( font == GLUT_STROKE_ROMAN )
+ return &fgStrokeRoman;
+ if( font == GLUT_STROKE_MONO_ROMAN )
+ return &fgStrokeMonoRoman;
+
+ fgWarning( "stroke font 0x%08x not found", font );
+ return 0;
}
void FGAPIENTRY glutBitmapCharacter( void* fontID, int character )
{
const GLubyte* face;
- SFG_Font* font = fghFontByID( fontID );
-
+ SFG_Font* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapCharacter" );
+ font = fghFontByID( fontID );
freeglut_return_if_fail( ( character >= 1 )&&( character < 256 ) );
+ freeglut_return_if_fail( font );
/*
* Find the character we want to draw (???)
*/
- face = font->Characters[ character - 1 ];
+ face = font->Characters[ character ];
glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
{
- int c;
- int numchar = strlen ( string ) ;
- SFG_Font* font = fghFontByID( fontID );
- float raster_position[4];
+ unsigned char c;
+ float x = 0.0f ;
+ SFG_Font* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapString" );
+ font = fghFontByID( fontID );
+ freeglut_return_if_fail( font );
+ if ( !string || ! *string )
+ return;
- glGetFloatv ( GL_CURRENT_RASTER_POSITION, raster_position ) ;
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++ )
- if ( string[c] == '\n' )
+ while( ( c = *string++) )
+ if( c == '\n' )
{
- raster_position[1] -= (float)font->Height ;
- glRasterPos4fv ( raster_position ) ;
+ glBitmap ( 0, 0, 0, 0, -x, (float) -font->Height, NULL );
+ x = 0.0f;
}
else /* Not an EOL, draw the bitmap character */
{
- const GLubyte* face = font->Characters[ string[ c ] - 1 ];
+ const GLubyte* face = font->Characters[ c ];
glBitmap(
face[ 0 ], font->Height, /* Bitmap's width and height */
( float )( face[ 0 ] ), 0.0, /* The raster advance; inc. x,y */
( face + 1 ) /* The packed bitmap data... */
);
+
+ x += ( float )( face[ 0 ] );
}
+
glPopClientAttrib( );
}
*/
int FGAPIENTRY glutBitmapWidth( void* fontID, int character )
{
- SFG_Font* font = fghFontByID( fontID );
-
+ SFG_Font* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapWidth" );
+ font = fghFontByID( fontID );
freeglut_return_val_if_fail( character > 0 && character < 256, 0 );
- return *( font->Characters[ character - 1 ] );
+ 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;
- SFG_Font* font = fghFontByID( fontID );
- int numchar = strlen ( string ) ;
-
- for( c = 0; c < numchar; c++ )
+ unsigned char c;
+ int length = 0, this_line_length = 0;
+ SFG_Font* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapLength" );
+ font = fghFontByID( fontID );
+ 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 ] - 1 ]);
+ 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 );
+ SFG_Font* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapHeight" );
+ font = fghFontByID( fontID );
+ freeglut_return_val_if_fail( font, 0 );
return font->Height;
}
const SFG_StrokeChar *schar;
const SFG_StrokeStrip *strip;
int i, j;
- SFG_StrokeFont* font = fghStrokeByID( fontID );
+ SFG_StrokeFont* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeCharacter" );
+ font = fghStrokeByID( fontID );
+ freeglut_return_if_fail( character >= 0 );
+ freeglut_return_if_fail( character < font->Quantity );
+ freeglut_return_if_fail( font );
- freeglut_return_if_fail( character >= 0 && character < font->Quantity );
-
- schar = font->Characters[character];
+ schar = font->Characters[ character ];
freeglut_return_if_fail( schar );
strip = schar->Strips;
void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
{
- int c, i, j;
- int numchar = strlen ( string );
+ unsigned char c;
+ int i, j;
float length = 0.0;
- SFG_StrokeFont* font = fghStrokeByID( fontID );
+ SFG_StrokeFont* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeString" );
+ 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 );
+ 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;
- for(i = 0; i < schar->Number; i++, strip++)
+ for( i = 0; i < schar->Number; i++, strip++ )
{
glBegin( GL_LINE_STRIP );
for( j = 0; j < strip->Number; j++ )
glEnd( );
}
-
+
length += schar->Right;
glTranslatef( schar->Right, 0.0, 0.0 );
}
int FGAPIENTRY glutStrokeWidth( void* fontID, int character )
{
const SFG_StrokeChar *schar;
- SFG_StrokeFont* font = fghStrokeByID( fontID );
-
+ SFG_StrokeFont* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeWidth" );
+ font = fghStrokeByID( fontID );
freeglut_return_val_if_fail( ( character >= 0 ) &&
( character < font->Quantity ),
- 0 );
+ 0
+ );
+ freeglut_return_val_if_fail( font, 0 );
schar = font->Characters[ character ];
freeglut_return_val_if_fail( schar, 0 );
-
+
return ( int )( schar->Right + 0.5 );
}
*/
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( string );
-
- for( c = 0; c < numchar; c++ )
- if ( string[ c ] < font->Quantity )
+ SFG_StrokeFont* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeLength" );
+ font = fghStrokeByID( fontID );
+ 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 ] ];
- if ( schar )
+ const SFG_StrokeChar *schar = font->Characters[ c ];
+ if( schar )
this_line_length += schar->Right;
}
}
if( length < this_line_length )
length = this_line_length;
- return ( int )( length + 0.5 );
+ return( int )( length + 0.5 );
}
/*
*/
GLfloat FGAPIENTRY glutStrokeHeight( void* fontID )
{
- SFG_StrokeFont* font = fghStrokeByID( fontID );
- return( font->Height );
+ SFG_StrokeFont* font;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeHeight" );
+ font = fghStrokeByID( fontID );
+ freeglut_return_val_if_fail( font, 0.0 );
+ return font->Height;
}
/*** END OF FILE ***/