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Programming Languages Suite
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ProgLangD.iso
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FORTRAN
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DISK6
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FONTS.FO$
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FONTS.bin
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1990-09-28
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CC FONTS.FOR - Illustrates fonts functions including:
CC getfontinfo setfont unregisterfonts
CC getgtextextent registerfonts
CC outgtext setgtextvector
INCLUDE 'FGRAPH.FI'
INCLUDE 'FGRAPH.FD'
PARAMETER ( NFONTS = 6 )
INTEGER*2 dummy, x, y, iend
INTEGER*4 ifont
CHARACTER*11 face(NFONTS)
CHARACTER*10 options(NFONTS)
CHARACTER*20 list
CHARACTER*64 fontpath
RECORD /videoconfig/ vc
RECORD /xycoord/ xy
RECORD /fontinfo/ fi
DATA face / "Courier" , "Helvetica" , "Times Roman",
+ "Modern" , "Script" , "Roman" /
DATA options / "t'courier'", "t'helv'" , "t'tms rmn'" ,
+ "t'modern'" , "t'script'" , "t'roman'" /
CALL clearscreen( $GCLEARSCREEN )
WRITE (*,*) 'Enter file specification for .FON files'
WRITE (*,*) '[pathname\*.FON]:'
WRITE (*,*)
READ (*, '(A)') fondir
C
C Locate .FON files, then register fonts by reading header
C information from all files.
C
IF( registerfonts( '*.FON' ). LT. 0 ) THEN
WRITE (*, '(A/)') ' Enter directory for .FON files:'
READ (*, '(A )') fontpath
iend = INDEX( fontpath, ' ' )
fontpath( iend:iend + 5 ) = '\*.FON'
IF( registerfonts( fontpath ). LT. 0 )
+ STOP 'Error: cannot find font files'
ENDIF
C
C Find graphics mode.
C
IF( setvideomode( $MAXRESMODE ) .EQ. 0 )
+ STOP 'Error: cannot set graphics mode'
CALL getvideoconfig( vc )
C
C Display each font name centered on screen.
C
DO ifont = 1, NFONTS
C
C Build options string.
C
list = options(ifont) // 'h30w24b'
CALL clearscreen( $GCLEARSCREEN )
IF( setfont( list ) .GE. 0 ) THEN
C
C Use length of text and height of font to center text.
C
x = (vc.numxpixels-getgtextextent
+ (face( ifont))) / 2
IF( getfontinfo( fi ) .NE. 0 ) THEN
CALL outtext( 'Error: cannot get font info' )
READ (*,*)
END IF
y = (vc.numypixels - fi.ascent) / 2
CALL moveto( x, y, xy )
IF( vc.numcolors .GT. 2 ) dummy = setcolor( ifont )
CALL setgtextvector( 1, 0 )
CALL outgtext( face(ifont))
CALL setgtextvector( 0, 1 )
CALL outgtext( face(ifont))
CALL setgtextvector( -1, 0 )
CALL outgtext( face(ifont))
CALL setgtextvector( 0, -1 )
CALL outgtext( face(ifont))
ELSE
CALL outtext( 'Error: cannot set font' )
END IF
READ (*,*)
END DO
CALL unregisterfonts()
dummy = setvideomode( $DEFAULTMODE )
END