C Wrappers

C language wrappers for the alpha overlay functions. More...

Collaboration diagram for C Wrappers:

Functions
void	overlay_alpha_stride_div255_round (const uint8_t *bg_img, const uint8_t *fg_img, uint8_t *out_img, size_t bg_full_cols, size_t fg_rows, size_t fg_cols, size_t fg_full_cols)
	C wrapper for overlay_alpha_stride(). More...
void	overlay_alpha_stride_div255_round_approx (const uint8_t *bg_img, const uint8_t *fg_img, uint8_t *out_img, size_t bg_full_cols, size_t fg_rows, size_t fg_cols, size_t fg_full_cols)
	C wrapper for overlay_alpha_stride(). More...
void	overlay_alpha_stride_div255_floor (const uint8_t *bg_img, const uint8_t *fg_img, uint8_t *out_img, size_t bg_full_cols, size_t fg_rows, size_t fg_cols, size_t fg_full_cols)
	C wrapper for overlay_alpha_stride(). More...
void	overlay_alpha_stride_div256_round (const uint8_t *bg_img, const uint8_t *fg_img, uint8_t *out_img, size_t bg_full_cols, size_t fg_rows, size_t fg_cols, size_t fg_full_cols)
	C wrapper for overlay_alpha_stride(). More...
void	overlay_alpha_stride_div256_floor (const uint8_t *bg_img, const uint8_t *fg_img, uint8_t *out_img, size_t bg_full_cols, size_t fg_rows, size_t fg_cols, size_t fg_full_cols)
	C wrapper for overlay_alpha_stride(). More...

Detailed Description

C language wrappers for the alpha overlay functions.

Function Documentation

overlay_alpha_stride_div255_round()

void overlay_alpha_stride_div255_round	(	const uint8_t *	bg_img,
		const uint8_t *	fg_img,
		uint8_t *	out_img,
		size_t	bg_full_cols,
		size_t	fg_rows,
		size_t	fg_cols,
		size_t	fg_full_cols
	)

C wrapper for overlay_alpha_stride().

Definition at line 177 of file src/alpha-lib/src/overlay_alpha.cpp.

overlay_alpha_stride_div255_round_approx()

void overlay_alpha_stride_div255_round_approx	(	const uint8_t *	bg_img,
		const uint8_t *	fg_img,
		uint8_t *	out_img,
		size_t	bg_full_cols,
		size_t	fg_rows,
		size_t	fg_cols,
		size_t	fg_full_cols
	)

C wrapper for overlay_alpha_stride().

Definition at line 184 of file src/alpha-lib/src/overlay_alpha.cpp.

overlay_alpha_stride_div255_floor()

void overlay_alpha_stride_div255_floor	(	const uint8_t *	bg_img,
		const uint8_t *	fg_img,
		uint8_t *	out_img,
		size_t	bg_full_cols,
		size_t	fg_rows,
		size_t	fg_cols,
		size_t	fg_full_cols
	)

C wrapper for overlay_alpha_stride().

Definition at line 190 of file src/alpha-lib/src/overlay_alpha.cpp.

overlay_alpha_stride_div256_round()

void overlay_alpha_stride_div256_round	(	const uint8_t *	bg_img,
		const uint8_t *	fg_img,
		uint8_t *	out_img,
		size_t	bg_full_cols,
		size_t	fg_rows,
		size_t	fg_cols,
		size_t	fg_full_cols
	)

C wrapper for overlay_alpha_stride().

Definition at line 197 of file src/alpha-lib/src/overlay_alpha.cpp.

overlay_alpha_stride_div256_floor()

void overlay_alpha_stride_div256_floor	(	const uint8_t *	bg_img,
		const uint8_t *	fg_img,
		uint8_t *	out_img,
		size_t	bg_full_cols,
		size_t	fg_rows,
		size_t	fg_cols,
		size_t	fg_full_cols
	)

C wrapper for overlay_alpha_stride().

Definition at line 204 of file src/alpha-lib/src/overlay_alpha.cpp.