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Datasheet of 20-101-1194 - MODULE RABBITCORE RCM3309 ROHS
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User’s Manual
125
glPlotCircle
void glPlotCircle(int xc, int yc, int rad);
DESCRIPTION
Draws the outline of a circle in the LCD page buffer and on the LCD if the buffer is
unlocked. Any portion of the circle that is outside the LCD display area will be clipped.
PARAMETERS
xc
the
x
coordinate of the center of the circle.
yc
the
y
coordinate of the center of the circle.
rad
the radius of the center of the circle (in pixels).
RETURN VALUE
None.
SEE ALSO
glFillCircle, glPlotPolygon, glFillPolygon
glFillCircle
void glFillCircle(int xc, int yc, int rad);
DESCRIPTION
Draws a filled circle in the LCD page buffer and on the LCD if the buffer is unlocked.
Any portion of the circle that is outside the LCD display area will be clipped.
PARAMETERS
xc
the
x
coordinate of the center of the circle.
yc
the
y
coordinate of the center of the circle.
rad
the radius of the center of the circle (in pixels).
RETURN VALUE
None.
SEE ALSO
glPlotCircle, glPlotPolygon, glFillPolygon
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