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56 lines
1.7 KiB
Markdown
56 lines
1.7 KiB
Markdown
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The [_FONTHEIGHT](_FONTHEIGHT) function returns the font height of a font handle created by [_LOADFONT](_LOADFONT).
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## Syntax
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> pixelHeight% = [_FONTHEIGHT](_FONTHEIGHT)[(fontHandle&)]
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## Description
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* Returns the height of the last font used if a handle is not designated.
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* If no font is set it returns the current screen mode's text block height.
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## Example(s)
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Finding the [_FONT](_FONT) or text block size of printed [STRING](STRING) characters in graphic [SCREEN](SCREEN) modes.
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```vb
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DO
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INPUT "Enter Screen mode 1, 2 or 7 to 13 or 256, 32 for _NEWIMAGE: ", scr$
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mode% = VAL(scr$)
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LOOP UNTIL mode% > 0
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SELECT CASE mode%
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CASE 1, 2, 7 TO 13: SCREEN mode%
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CASE 256, 32: SCREEN _NEWIMAGE(800, 600, mode%)
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CASE ELSE: PRINT "Invalid mode selected!": END
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END SELECT
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INPUT "Enter first name of TTF font to use or hit enter for text block size: ", TTFont$
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IF LEN(TTFont$) THEN INPUT "Enter font height: ", hi$
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height& = VAL(hi$)
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IF height& > 0 THEN
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fnt& = _LOADFONT("C:\Windows\Fonts\" + TTFont$ + ".ttf", height&, style$)
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IF fnt& <= 0 THEN PRINT "Invalid Font handle!": END
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_FONT fnt&
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END IF
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TextSize wide&, high& 'get the font or current screen mode's text block pixel size
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_PRINTSTRING (20, 100), "Block size = " + CHR$(1) + STR$(wide&) + " X" + STR$(high&) + " " + CHR$(2)
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END
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SUB TextSize (TextWidth&, TextHeight&)
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TextWidth& = _PRINTWIDTH("W") 'measure width of one font or text character
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TextHeight& = _FONTHEIGHT 'can measure normal text block heights also
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END SUB
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```
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## See Also
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* [_FONTWIDTH](_FONTWIDTH), [_FONT](_FONT)
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* [_PRINTWIDTH](_PRINTWIDTH), [_PRINTSTRING](_PRINTSTRING)
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* [SCREEN](SCREEN), [_LOADFONT](_LOADFONT)
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* [Text Using Graphics](Text-Using-Graphics) (Demo)
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