RabbitCore RCM3305, User Manual

Page: 120 / 160

114 RabbitCore RCM3305/RCM3315
Fills a rectangular block in the LCD buffer with the pattern specified. The block left and width parame-
ters must be byte-aligned. 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.
pattern is the bit pattern to display (all black if pattern is 0xFF, all white if pattern is 0x00, and
vertical stripes for any other pattern).
RETURN VALUE
None.
SEE ALSO
glFillScreen, glBlankScreen, glBlock, glBlankRegion
Clears a region on the LCD display. The block left and width parameters must be byte-aligned. Any por-
tion 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 ( x must be evenly divisible by 8).
top
is the y coordinate of the top left corner of the block.
width
is the width of the block (must be evenly divisible by 8).
height
is the height of the block.
RETURN VALUE
None.
SEE ALSO
glFillScreen, glBlankScreen, glBlock
void glFastFillRegion(int left, int top, int width,
int height, char pattern);
void glBlankRegion(int left, int top, int width,
int height);