Z-World Fox LP3500 User Manual - page 101

User’s Manual

95

Sets display contrast.

NOTE:

This function is not used with the LCD/keypad module since the support circuits 

are not available on the LCD/keypad module.

Fills the LCD display screen with a pattern.

PARAMETER

The screen will be set to all black if 

pattern

 is 0xFF, all white if 

pattern

 is 0x00, and vertical 

stripes for any other pattern.

RETURN VALUE

None.

SEE ALSO

glBlock, glBlankScreen, glPlotPolygon, glPlotCircle

Blanks the LCD display screen (sets LCD display screen to white).

RETURN VALUE

None.

SEE ALSO

glFillScreen, glBlock, glPlotPolygon, glPlotCircle

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

x

 is the 

x

 coordinate of the top left corner of the block.

y

 is the 

y

 coordinate of the top left corner of the block.

bmWidth

 is the width of the block.

bmWidth

 is the height of the block.

RETURN VALUE

None.

SEE ALSO

glFillScreen, glBlankScreen, glPlotPolygon, glPlotCircle

void glSetContrast(unsigned level);

void glFillScreen(char pattern);

void glBlankScreen(void);

void glBlock(int x, int y, int bmWidth, 

int bmHeight);