drawLine.c File Reference

#include "simplegfx.h"

Functions
int	ComputeOutCode (int x, int y, int w, int h)
void	drawLine (screen_t *dev, int x0, int y0, int x1, int y1, int c)
	Draws a line in the specified color. More...
void	drawFastHLine (screen_t *dev, int x, int y, int w, int color)
	Draws a horizontal line in the specified color. More...
void	drawFastVLine (screen_t *dev, int x, int y, int h, int color)
	Draws a vertical line in the specified color. More...

Function Documentation

ComputeOutCode()

int ComputeOutCode	(	int	x,
		int	y,
		int	w,
		int	h
	)

drawFastHLine()

void drawFastHLine	(	screen_t *	dev,
		int	x,
		int	y,
		int	w,
		int	color
	)

Draws a horizontal line in the specified color.

Parameters

dev	Pointer to the display's device structure returned by the initialization function.
x	Starting horizontal coordinate of the line, counted from the left side of the screen.
y	Starting vertical coordinate of the line, counted down from the top of the screen.
w	Length of the line.
color	Color of the line, in the format native to the display.

drawFastVLine()

void drawFastVLine	(	screen_t *	dev,
		int	x,
		int	y,
		int	h,
		int	color
	)

Draws a vertical line in the specified color.

Parameters

dev	Pointer to the display's device structure returned by the initialization function.
x	Starting horizontal coordinate of the line, counted from the left side of the screen.
y	Starting vertical coordinate of the line, counted down from the top of the screen.
h	Length of the line.
color	Color of the line, in the format native to the display.

drawLine()

void drawLine	(	screen_t *	dev,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	color
	)

Draws a line in the specified color.

Parameters

dev	Pointer to the display's device structure returned by the initialization function.
x0	Starting horizontal coordinate of the line, counted from the left side of the screen.
y0	Starting vertical coordinate of the line, counted down from the top of the screen.
x1	Ending horizontal coordinate of the line.
y1	Ending vertical coordinate of the line.
color	Color of the shape, in the format native to the display.