gp_write_pixels.gen.h File Reference

Optimized functions to write a row of pixels. More...

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Functions
void	gp_write_pixels_1BPP_DB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 1BPP_DB pixels.
void	gp_write_pixels_1BPP_UB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 1BPP_UB pixels.
void	gp_write_pixels_2BPP_DB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 2BPP_DB pixels.
void	gp_write_pixels_2BPP_UB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 2BPP_UB pixels.
void	gp_write_pixels_4BPP_DB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 4BPP_DB pixels.
void	gp_write_pixels_4BPP_UB (void *start, uint8_t off, size_t cnt, unsigned int val)
	Optimized function to draw a row of 4BPP_UB pixels.
void	gp_write_pixels_8BPP (void *start, size_t cnt, unsigned int val)
	Optimized function to draw a row of 8BPP pixels.
void	gp_write_pixels_16BPP (void *start, size_t cnt, unsigned int val)
	Optimized function to draw a row of 16BPP pixels.
void	gp_write_pixels_24BPP (void *start, size_t cnt, unsigned int val)
	Optimized function to draw a row of 24BPP pixels.
void	gp_write_pixels_32BPP (void *start, size_t cnt, unsigned int val)
	Optimized function to draw a row of 32BPP pixels.

Detailed Description

Optimized functions to write a row of pixels.

These functions writes cnt pixels using value val starting at start address and additionally (for pixel sizes that are not aligned to the whole bytes) at off offset in the first byte (i.e. byte at the start address).

Definition in file gp_write_pixels.gen.h.

Function Documentation

gp_write_pixels_16BPP()

void gp_write_pixels_16BPP	(	void *	start,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 16BPP pixels.

Parameters

start	A pointer to starting byte in the buffer
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_1BPP_DB()

void gp_write_pixels_1BPP_DB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 1BPP_DB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_1BPP_UB()

void gp_write_pixels_1BPP_UB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 1BPP_UB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_24BPP()

void gp_write_pixels_24BPP	(	void *	start,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 24BPP pixels.

Parameters

start	A pointer to starting byte in the buffer
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_2BPP_DB()

void gp_write_pixels_2BPP_DB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 2BPP_DB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_2BPP_UB()

void gp_write_pixels_2BPP_UB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 2BPP_UB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_32BPP()

void gp_write_pixels_32BPP	(	void *	start,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 32BPP pixels.

Parameters

start	A pointer to starting byte in the buffer
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_4BPP_DB()

void gp_write_pixels_4BPP_DB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 4BPP_DB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_4BPP_UB()

void gp_write_pixels_4BPP_UB	(	void *	start,
		uint8_t	off,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 4BPP_UB pixels.

Parameters

start	A pointer to starting byte in the buffer
off	Number of pixels to skip in the first byte
cnt	A number of pixels to write
val	A pixel value to be written.

gp_write_pixels_8BPP()

void gp_write_pixels_8BPP	(	void *	start,
		size_t	cnt,
		unsigned int	val
	)

Optimized function to draw a row of 8BPP pixels.

Parameters

start	A pointer to starting byte in the buffer
cnt	A number of pixels to write
val	A pixel value to be written.