geoclip.c File Reference

#include "zeebo.h"

Include dependency graph for geoclip.c:

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Functions
uint8_t	geoclip_rect (int32_t *posx, int32_t *posy, int32_t *width, int32_t *height)
	adjusts a rectangle within the screen
uint8_t	geoclip_line (int32_t *x1, int32_t *y1, int32_t *x2, int32_t *y2)
	adjusts a line within the screen

Function Documentation

geoclip_line()

uint8_t geoclip_line	(	int32_t *	x1,
		int32_t *	y1,
		int32_t *	x2,
		int32_t *	y2 )

adjusts a line within the screen

Todo

use cohen, liang-barsky, clipping de retA, cos, ou another method do clip drop line.

Parameters

[in,out]	x1
[in,out]	y1
[in,out]	x2
[in,out]	y2

Returns

fits on the screen

Definition at line 51 of file geoclip.c.

geoclip_rect()

uint8_t geoclip_rect	(	int32_t *	posx,
		int32_t *	posy,
		int32_t *	width,
		int32_t *	height )

adjusts a rectangle within the screen

Parameters

[in,out]	posx
[in,out]	posy
[in,out]	width
[in,out]	height

Returns

fits on the screen

Definition at line 11 of file geoclip.c.