int FntOpen (
int x,
int y,
int w,
int h,
int isbg,
int n
)
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Arguments
| x, y |
Display start position |
| w, h |
Display area |
| isbg |
Background auto-clear flag
0: Clear the background to (0,0,0) when displaying
1: Do not clear the background |
| n |
Maximum number of characters that can be drawn |
Return Value
The ID of the print stream that was opened is returned.
Explanation
The stream used for on-screen printing is opened. Subsequently, character
strings up to n characters long can be drawn in the rectangular
area of the frame buffer specified by (x,y)-(x+w,
y+h) using the FntPrint() function.
If isbg has a value of 1, the background is cleared when a character
string is drawn.
Notes
Up to 8 streams can be opened simultaneously.
Opened streams cannot be closed until the next FntLoad().
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