font updates from John Fay
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@519 7f0cb862-5218-0410-a997-914c9d46530a
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@ -77,8 +77,8 @@ static SFG_Font* fghFontByID( void* font )
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if( font == GLUT_BITMAP_TIMES_ROMAN_24 )
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return &fgFontTimesRoman24;
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fgError( "font 0x%08x not found", font );
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return 0; /*** NOT REACHED ***/
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fgWarning( "font 0x%08x not found", font );
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return 0;
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}
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/*
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@ -92,8 +92,8 @@ static SFG_StrokeFont* fghStrokeByID( void* font )
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if( font == GLUT_STROKE_MONO_ROMAN )
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return &fgStrokeMonoRoman;
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fgError( "stroke font 0x%08x not found", font );
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return 0; /*** NOT REACHED ***/
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fgWarning( "stroke font 0x%08x not found", font );
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return 0;
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}
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@ -108,6 +108,7 @@ void FGAPIENTRY glutBitmapCharacter( void* fontID, int character )
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SFG_Font* font = fghFontByID( fontID );
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freeglut_return_if_fail( ( character >= 1 )&&( character < 256 ) );
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freeglut_return_if_fail( font );
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/*
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* Find the character we want to draw (???)
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@ -132,11 +133,14 @@ void FGAPIENTRY glutBitmapCharacter( void* fontID, int character )
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void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
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{
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int c;
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int numchar = strlen( (char *) string );
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unsigned char c;
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SFG_Font* font = fghFontByID( fontID );
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float x = 0.0f ;
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freeglut_return_if_fail( font );
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if ( !string || ! *string )
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return;
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glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
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glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
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glPixelStorei( GL_UNPACK_LSB_FIRST, GL_FALSE );
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@ -150,7 +154,7 @@ void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
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* A newline will simply translate the next character's insertion
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* point back to the start of the line and down one line.
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*/
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for( c = 0; c < numchar; c++ )
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while( c = *string++ )
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if( string[c] == '\n' )
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{
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glBitmap ( 0, 0, 0, 0, -x, (float) -font->Height, NULL );
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@ -158,7 +162,7 @@ void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
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}
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else /* Not an EOL, draw the bitmap character */
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{
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const GLubyte* face = font->Characters[ string[ c ] ];
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const GLubyte* face = font->Characters[ c ];
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glBitmap(
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face[ 0 ], font->Height, /* Bitmap's width and height */
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@ -181,6 +185,7 @@ int FGAPIENTRY glutBitmapWidth( void* fontID, int character )
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SFG_Font* font = fghFontByID( fontID );
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freeglut_return_val_if_fail( character > 0 && character < 256, 0 );
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freeglut_return_val_if_fail( font, 0 );
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return *( font->Characters[ character ] );
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}
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@ -189,14 +194,18 @@ int FGAPIENTRY glutBitmapWidth( void* fontID, int character )
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*/
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int FGAPIENTRY glutBitmapLength( void* fontID, const unsigned char* string )
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{
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int c, length = 0, this_line_length = 0;
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unsigned char c;
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int length = 0, this_line_length = 0;
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SFG_Font* font = fghFontByID( fontID );
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int numchar = strlen( (char *) string );
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for( c = 0; c < numchar; c++ )
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freeglut_return_val_if_fail( font, 0 );
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if ( !string || ! *string )
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return 0;
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while( c = *string++ )
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{
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if( string[ c ] != '\n' )/* Not an EOL, increment length of line */
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this_line_length += *( font->Characters[ string[ c ] ]);
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if( c != '\n' )/* Not an EOL, increment length of line */
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this_line_length += *( font->Characters[ c ]);
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else /* EOL; reset the length of this line */
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{
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if( length < this_line_length )
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@ -216,6 +225,7 @@ int FGAPIENTRY glutBitmapLength( void* fontID, const unsigned char* string )
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int FGAPIENTRY glutBitmapHeight( void* fontID )
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{
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SFG_Font* font = fghFontByID( fontID );
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freeglut_return_val_if_fail( font, 0 );
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return font->Height;
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}
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@ -231,6 +241,7 @@ void FGAPIENTRY glutStrokeCharacter( void* fontID, int character )
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freeglut_return_if_fail( character >= 0 );
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freeglut_return_if_fail( character < font->Quantity );
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freeglut_return_if_fail( font );
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schar = font->Characters[ character ];
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freeglut_return_if_fail( schar );
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@ -248,27 +259,31 @@ void FGAPIENTRY glutStrokeCharacter( void* fontID, int character )
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void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
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{
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int c, i, j;
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int numchar = strlen( (char *) string );
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unsigned char c;
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int i, j;
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float length = 0.0;
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SFG_StrokeFont* font = fghStrokeByID( fontID );
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freeglut_return_if_fail( font );
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if ( !string || ! *string )
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return;
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/*
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* Step through the string, drawing each character.
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* A newline will simply translate the next character's insertion
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* point back to the start of the line and down one line.
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*/
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for( c = 0; c < numchar; c++ )
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if( string[ c ] < font->Quantity )
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while( c = *string++ )
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if( c < font->Quantity )
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{
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if( string[ c ] == '\n' )
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if( c == '\n' )
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{
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glTranslatef ( -length, -( float )( font->Height ), 0.0 );
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length = 0.0;
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}
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else /* Not an EOL, draw the bitmap character */
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{
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const SFG_StrokeChar *schar = font->Characters[ string[ c ] ];
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const SFG_StrokeChar *schar = font->Characters[ c ];
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if( schar )
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{
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const SFG_StrokeStrip *strip = schar->Strips;
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@ -302,6 +317,7 @@ int FGAPIENTRY glutStrokeWidth( void* fontID, int character )
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( character < font->Quantity ),
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0
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);
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freeglut_return_val_if_fail( font, 0 );
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schar = font->Characters[ character ];
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freeglut_return_val_if_fail( schar, 0 );
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@ -313,16 +329,19 @@ int FGAPIENTRY glutStrokeWidth( void* fontID, int character )
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*/
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int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
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{
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int c;
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unsigned char c;
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float length = 0.0;
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float this_line_length = 0.0;
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SFG_StrokeFont* font = fghStrokeByID( fontID );
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int numchar = strlen( (char *) string );
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for( c = 0; c < numchar; c++ )
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if( string[ c ] < font->Quantity )
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freeglut_return_val_if_fail( font, 0 );
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if ( !string || ! *string )
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return 0;
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while( c = *string++ )
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if( c < font->Quantity )
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{
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if( string[ c ] == '\n' ) /* EOL; reset the length of this line */
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if( c == '\n' ) /* EOL; reset the length of this line */
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{
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if( length < this_line_length )
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length = this_line_length;
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@ -330,7 +349,7 @@ int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
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}
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else /* Not an EOL, increment the length of this line */
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{
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const SFG_StrokeChar *schar = font->Characters[ string[ c ] ];
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const SFG_StrokeChar *schar = font->Characters[ c ];
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if( schar )
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this_line_length += schar->Right;
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}
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@ -346,6 +365,7 @@ int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
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GLfloat FGAPIENTRY glutStrokeHeight( void* fontID )
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{
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SFG_StrokeFont* font = fghStrokeByID( fontID );
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freeglut_return_val_if_fail( font, 0.0 );
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return font->Height;
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}
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@ -5,7 +5,7 @@
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*
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* Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
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* Written by Pawel W. Olszta, <olszta@sourceforge.net>
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* Creation date: ?????
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* Creation date: Thu Dec 16 1999
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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@ -5,7 +5,7 @@
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*
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* Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
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* Written by Pawel W. Olszta, <olszta@sourceforge.net>
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* Creation date: ?????
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* Creation date: Thu Dec 16 1999
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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