RabbitCore RCM3315, User Manual, Page: 121 / 160

User’s Manual 115
Draws a rectangular block in the page buffer and on the LCD if the buffer is unlocked. Any portion of the
block that is outside the LCD display area will be clipped.
PARAMETERS
left
is the x coordinate of the top left corner of the block.
top
is the y coordinate of the top left corner of the block.
width
is the width of the block.
height is the height of the block.
RETURN VALUE
None.
SEE ALSO
glFillScreen, glBlankScreen, glPlotPolygon, glPlotCircle
Plots the outline of a polygon in the LCD page buffer, and on the LCD if the buffer is unlocked. Any
portion of the polygon that is outside the LCD display area will be clipped. If fewer than 3 vertices are
specified, the function will return without doing anything.
PARAMETERS
n
is the number of vertices.
pFirstCoord
is a pointer to array of vertex coordinates:
x1,y1, x2,y2, x3,y3, ...
RETURN VALUE
None.
SEE ALSO
glPlotPolygon, glFillPolygon, glFillVPolygon
void glBlock(int left, int top, int width,
int height);
void glPlotVPolygon(int n, int *pFirstCoord);