rockx_image_util.h File Reference

#include "rockx_type.h"

Go to the source code of this file.

Functions
int	rockx_image_get_channels (rockx_image_t *img)
rockx_ret_t	rockx_image_convert (rockx_image_t *src, rockx_image_t *dst, int dst_width, int dst_heigh, rockx_pixel_format dst_pixel_format)
rockx_ret_t	rockx_image_convert_keep_ration (rockx_image_t *src, rockx_image_t *dst, int dst_width, int dst_heigh, rockx_pixel_format dst_pixel_format, int pad_color, float *scale_w, float *scale_h)
rockx_ret_t	rockx_image_read (const char *img_path, rockx_image_t *image, int flag)
rockx_ret_t	rockx_image_write (const char *path, rockx_image_t *img)
rockx_image_t *	rockx_image_clone (rockx_image_t *img)
rockx_ret_t	rockx_image_release (rockx_image_t *img)
rockx_ret_t	rockx_image_draw_circle (rockx_image_t *img, rockx_point_t point, int radius, rockx_color_t color, int thickness)
rockx_ret_t	rockx_image_draw_line (rockx_image_t *img, rockx_point_t pt1, rockx_point_t pt2, rockx_color_t color, int thickness)
rockx_ret_t	rockx_image_draw_rect (rockx_image_t *img, rockx_point_t pt1, rockx_point_t pt2, rockx_color_t color, int thickness)
rockx_ret_t	rockx_image_draw_text (rockx_image_t *img, const char *text, rockx_point_t pt, rockx_color_t color, int thickness)

Function Documentation

rockx_image_clone()

rockx_image_t* rockx_image_clone

(

rockx_image_t *

img

)

Clone Image

Parameters

img	[in] Source image

Returns

cloned image

rockx_image_convert()

rockx_ret_t rockx_image_convert	(	rockx_image_t *	src,
		rockx_image_t *	dst,
		int	dst_width,
		int	dst_heigh,
		rockx_pixel_format	dst_pixel_format
	)

Convert Image Size and Color

Parameters

src	[in] Source image
dst	[out] Destination image
dst_width	[in] Destination Width
dst_heigh	[in] Destination Height
dst_pixel_format	[in] Destination image format

Returns

rockx_ret_t

rockx_image_convert_keep_ration()

rockx_ret_t rockx_image_convert_keep_ration	(	rockx_image_t *	src,
		rockx_image_t *	dst,
		int	dst_width,
		int	dst_heigh,
		rockx_pixel_format	dst_pixel_format,
		int	pad_color,
		float *	scale_w,
		float *	scale_h
	)

Convert Image Size(Keep Ration) and Color

Parameters

src	[in] Source image
dst	[out] Destination image
dst_width	[in] Destination Width
dst_heigh	[in] Destination Height
dst_pixel_format	[in] Destination image format
pad_color	[in] padding color
scale_w	[out] width resize scale
scale_h	[out] height resize scale

Returns

rockx_ret_t

rockx_image_draw_circle()

rockx_ret_t rockx_image_draw_circle	(	rockx_image_t *	img,
		rockx_point_t	point,
		int	radius,
		rockx_color_t	color,
		int	thickness
	)

Draw Circle on Image

Parameters

img	[in] Image to Draw
point	[in] Circle Center Point
radius	[in] Circle Radius
color	[in] Color
thickness	[in] ThickNess

Returns

rockx_ret_t

rockx_image_draw_line()

rockx_ret_t rockx_image_draw_line	(	rockx_image_t *	img,
		rockx_point_t	pt1,
		rockx_point_t	pt2,
		rockx_color_t	color,
		int	thickness
	)

Draw Line on Image

Parameters

img	[in] Image to Draw
pt1	[in] Start Point
pt2	[in] End Point
color	[in] Color
thickness	[in] ThickNess

Returns

rockx_ret_t

rockx_image_draw_rect()

rockx_ret_t rockx_image_draw_rect	(	rockx_image_t *	img,
		rockx_point_t	pt1,
		rockx_point_t	pt2,
		rockx_color_t	color,
		int	thickness
	)

Draw Rect on Image

Parameters

img	[in] Image to Draw
pt1	[in] RectAngle Left Top Point
pt2	[in] RectAngle Right Bottom Point
color	[in] Color
thickness	[in] ThickNess

Returns

rockx_ret_t

rockx_image_draw_text()

rockx_ret_t rockx_image_draw_text	(	rockx_image_t *	img,
		const char *	text,
		rockx_point_t	pt,
		rockx_color_t	color,
		int	thickness
	)

Draw Text on Image

Parameters

img	[in] Image to Draw
text	[in] Text
pt	[in] Origin Point
color	[in] Color
thickness	[in] ThickNess

Returns

rockx_ret_t

rockx_image_get_channels()

int rockx_image_get_channels

(

rockx_image_t *

img

)

Get Channels of a rockx_image_t

Parameters

[in]

img

Image

Returns

Channels

rockx_image_read()

rockx_ret_t rockx_image_read	(	const char *	img_path,
		rockx_image_t *	image,
		int	flag
	)

Read Image From File(Need Release If Not Use release_rockx_image)

Parameters

img_path	[in] Image file path
image	[out] Read Image
flag	[in] 0: gray; 1: color

Returns

rockx_ret_t

rockx_image_release()

rockx_ret_t rockx_image_release

(

rockx_image_t *

img

)

Release Image

Parameters

img	[in] Image to release

Returns

rockx_ret_t

rockx_image_write()

rockx_ret_t rockx_image_write	(	const char *	path,
		rockx_image_t *	img
	)

Write Image To File

Parameters

path	[in] File path to write
img	[in] Image to write

Returns

rockx_ret_t