Metrologic Optimus R, Руководство по программированию

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96 "C" Programming Guide For Optimus S/R
Syntax int GetFont (void);
Example if (GetFont()) == FONT_8X16 puts ("Font: 8X16");
Description This routine returns font size information about the current font type.
Return The return value can be one of the following:
FONT_6X8 : 6x8 graphic dots per character
FONT_8X16 : 8x16 graphic dots per character
FONT_6X12 : 6x12 graphic dots per character
FONT_12X12 : 12x12 graphic dots per character
See Also SetFont
SetFont
Purpose To select a font size for the LCD to display alphanumeric characters properly.
Syntax
void SetFont (int font);
int font; /* integer represents the font to be used */
Example SetFont (FONT_8X16);
Description This routine specifies what size of font is to be used following this call.
The value of the parameter
font
depends on the current font and its available
font size options. It can be one of the following:
FONT_6X8 : 6x8 graphic dots per character
FONT_8X16 : 8x16 graphic dots per character
FONT_6X12 : 6x12 graphic dots per character
FONT_12X12 : 12x12 graphic dots per character
Single-byte Characters:
For single-byte characters (system, multilanguage, etc.), simply assign
either FONT6X8 or FONT_8X16.
16x16 Double-byte Characters:
You may assign FONT_6X8 or FONT_8X16 to display alphanumeric
characters.
12x12 Double-byte Characters:
If you assign FONT_6X12, the font size for single byte characters will be
6x12, while it will still take 12x12 for double-byte characters (Tc12, Sc12,
Jp12). It thus provides flexibility in displaying alphanumeric.
However, for Japanese Katakana, you have to assign FONT_12X12;
otherwise, the cursor position will be misplaced.
Return None
See Also GetFont, SetLanguage