RabbitCore eDisplay OP7200, User Manual

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User’s Manual 83
Draws 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 is the x coordinate of the center of the circle
yc is the y coordinate of the center of the circle
rad is the radius of the circle (in pixels)
SEE ALSO
glFillCircle, glPlotPolygon, glFillPolygon
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 is the x coordinate of the center of the circle
yc is the y coordinate of the center of the circle
rad is the radius of the circle (in pixels)
SEE ALSO
glPlotCircle, glPlotPolygon, glFillPolygon
Initializes the font descriptor structure, where the font is stored in xmem . Each font character's bitmap is
column-major and byte-aligned.
PARAMETERS
pInfo is a pointer to the font descriptor to be initialized
pixWidth
is the width of each font item (in pixels)
pixHeight is the height of each font item (in pixels)
startChar is the value of the first printable character in the font character set
endChar is the value of the last printable character in the font character set
xmemBuffer is an xmem address of the pointer to a linear array of font bitmaps
SEE ALSO
glPrinf
void glPlotCircle(int xc, int yc, int rad);
void glFillCircle(int xc, int yc, int rad);
void glXFontInit(fontInfo *pInfo, char pixWidth,
char pixHeight, unsigned startChar, unsigned
endChar, unsigned long xmemBuffer);