image_processor.c File Reference

Data Structures
struct	pixel_t

Macros
#define	STB_IMAGE_IMPLEMENTATION
#define	STB_IMAGE_WRITE_IMPLEMENTATION
#define	CLAMP(x, l, u)

Functions
void	shuffleArray (uint32_t *ar, uint32_t len)
	Randomizes the order of the given array of ints.
int	isNeighborNotDrawn (pixel_t **img, int x, int y, int w, int h)
void	spreadError (pixel_t **img, int x, int y, int w, int h, int teR, int teG, int teB, float diagScalar)
bool	process_image (processorInput_t *arg)

Variables
const assetProcessor_t	imageProcessor = {.name = "wsg", .type = FUNCTION, .function = process_image, .inFmt = FMT_FILE_BIN, .outFmt = FMT_FILE_BIN}
	The image processor converts PNG images to 8-bit images using the 216-color web-safe palette plus one bit of transparency. Colors outside the palette will be replaced with their closest value within the palette.

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Data Structure Documentation

pixel_t

struct pixel_t

Data Fields
uint8_t	r
uint8_t	g
uint8_t	b
uint8_t	a
int	eR
int	eG
int	eB
bool	isDrawn

Macro Definition Documentation

STB_IMAGE_IMPLEMENTATION

#define STB_IMAGE_IMPLEMENTATION

STB_IMAGE_WRITE_IMPLEMENTATION

#define STB_IMAGE_WRITE_IMPLEMENTATION

CLAMP

#define CLAMP	(		x,
			l,
			u )

Value:

((x) < l ? l : ((x) > u ? u : (x)))

Function Documentation

shuffleArray()

void shuffleArray	(	uint32_t *	ar,
		uint32_t	len )

Randomizes the order of the given array of ints.

Parameters

ar	The array to randomize
len	The number of items in the array

isNeighborNotDrawn()

int isNeighborNotDrawn	(	pixel_t **	img,
		int	x,
		int	y,
		int	w,
		int	h )

spreadError()

void spreadError	(	pixel_t **	img,
		int	x,
		int	y,
		int	w,
		int	h,
		int	teR,
		int	teG,
		int	teB,
		float	diagScalar )

process_image()

bool process_image

(

processorInput_t *

arg

)

Variable Documentation

imageProcessor

const assetProcessor_t imageProcessor = {.name = "wsg", .type = FUNCTION, .function = process_image, .inFmt = FMT_FILE_BIN, .outFmt = FMT_FILE_BIN}

The image processor converts PNG images to 8-bit images using the 216-color web-safe palette plus one bit of transparency. Colors outside the palette will be replaced with their closest value within the palette.