u_frame_scribble.cpp File Reference

xrt_frame helpers for scribbling onto frames. More...

#include "xrt/xrt_frame.h"
#include "xrt/xrt_config_have.h"
#include "u_frame_scribble.h"
#include <opencv2/opencv.hpp>
#include <opencv2/imgproc.hpp>

Include dependency graph for u_frame_scribble.cpp:

Functions
static bool	mat_from_frame (const struct xrt_frame *frame, cv::Mat &out_mat)
static cv::Scalar	scalar_from_rgba_u8 (const struct xrt_colour_rgba_u8 *color)
static double	pixel_size_to_text_scale (float pixel_size, int font_face, int thickness)
void	u_frame_scribble_rect (struct xrt_frame *frame, const struct xrt_rect *rect, bool fill, const struct xrt_colour_rgba_u8 *color)
	Scribbles a rectangle onto a frame.
void	u_frame_scribble_cross (struct xrt_frame *frame, uint32_t x, uint32_t y, uint32_t size, const struct xrt_colour_rgba_u8 *color)
	Scribbles a cross onto a frame.
void	u_frame_scribble_line (struct xrt_frame *frame, uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const struct xrt_colour_rgba_u8 *color)
	Scribbles a line onto a frame.
void	u_frame_scribble_text (struct xrt_frame *frame, uint32_t x, uint32_t y, const char *text, float size, const struct xrt_colour_rgba_u8 *color)
	Scribbles text onto a frame.

Detailed Description

xrt_frame helpers for scribbling onto frames.

Author

Beyley Cardellio ep1cm.nosp@m.1n10.nosp@m.n123@.nosp@m.gmai.nosp@m.l.com

Function Documentation

u_frame_scribble_cross()

void u_frame_scribble_cross	(	struct xrt_frame *	frame,
		uint32_t	x,
		uint32_t	y,
		uint32_t	size,
		const struct xrt_colour_rgba_u8 *	color
	)

Scribbles a cross onto a frame.

Parameters

frame	The frame to scribble on.
x	The x coordinate of the center of the cross.
y	The y coordinate of the center of the cross.
size	The size of the cross in pixels (from center to edge horizontally).
color	The color to scribble with.

References u_frame_scribble_line().

u_frame_scribble_line()

void u_frame_scribble_line	(	struct xrt_frame *	frame,
		uint32_t	x0,
		uint32_t	y0,
		uint32_t	x1,
		uint32_t	y1,
		const struct xrt_colour_rgba_u8 *	color
	)

Scribbles a line onto a frame.

Parameters

frame	The frame to scribble on.
x0	The x coordinate of the start of the line.
y0	The y coordinate of the start of the line.
x1	The x coordinate of the end of the line.
y1	The y coordinate of the end of the line.
color	The color to scribble with.

Referenced by u_frame_scribble_cross().

u_frame_scribble_rect()

void u_frame_scribble_rect	(	struct xrt_frame *	frame,
		const struct xrt_rect *	rect,
		bool	fill,
		const struct xrt_colour_rgba_u8 *	color
	)

Scribbles a rectangle onto a frame.

Parameters

frame	The frame to scribble on.
rect	The rectangle to scribble.
fill	Whether to fill the rectangle or just draw the outline.
color	The color to scribble with.

u_frame_scribble_text()

void u_frame_scribble_text	(	struct xrt_frame *	frame,
		uint32_t	x,
		uint32_t	y,
		const char *	text,
		float	size,
		const struct xrt_colour_rgba_u8 *	color
	)

Scribbles text onto a frame.

Parameters

frame	The frame to scribble on.
x	The x coordinate of the text baseline.
y	The y coordinate of the text baseline.
text	The text to scribble.
size	The desired pixel height of the text.
color	The color to scribble with.