jevois::ImGuiImage Class Reference

#include <jevois/GPU/ImGuiImage.H>

Wrapper for an image that can be rendered into ImGui.

The wrapper combines an OpenCV image and an OpenGL texture.

Definition at line 30 of file ImGuiImage.H.

Public Member Functions
	ImGuiImage ()
	Constructor, image is uninitialized and loaded() returns false.
void	load (std::string const &fname)
	Load from file.
void	load (cv::Mat const &img, bool isbgr=true)
	Load from an OpenCV image.
bool	loaded () const
	Returns true if an image has been loaded through load()
void	clear ()
	Free the texture and revert to un-initialized state.
	~ImGuiImage ()
	Destructor.
void	draw (ImVec2 const &pos, ImVec2 const &size, ImDrawList *dl=nullptr)
	Draw into into current ImGui window or a drawlist.

Constructor & Destructor Documentation

ImGuiImage()

jevois::ImGuiImage::ImGuiImage

(

)

Constructor, image is uninitialized and loaded() returns false.

Definition at line 27 of file ImGuiImage.C.

~ImGuiImage()

jevois::ImGuiImage::~ImGuiImage

(

)

Destructor.

Deletes the associated GPU texture and OpenCV pixel data.

Definition at line 94 of file ImGuiImage.C.

Member Function Documentation

clear()

void jevois::ImGuiImage::clear

(

)

Free the texture and revert to un-initialized state.

Definition at line 88 of file ImGuiImage.C.

draw()

void jevois::ImGuiImage::draw	(	ImVec2 const &	pos,
		ImVec2 const &	size,
		ImDrawList *	dl = nullptr
	)

Draw into into current ImGui window or a drawlist.

Definition at line 98 of file ImGuiImage.C.

load() [1/2]

void jevois::ImGuiImage::load	(	cv::Mat const &	img,
		bool	isbgr = true
	)

Load from an OpenCV image.

Allocates a texture on the GPU for the image.

Definition at line 31 of file ImGuiImage.C.

References LFATAL, and jevois::rescaleCv().

load() [2/2]

void jevois::ImGuiImage::load

(

std::string const &

fname

)

Load from file.

Definition at line 76 of file ImGuiImage.C.

References LFATAL.

loaded()

bool jevois::ImGuiImage::loaded

(

)

const

Returns true if an image has been loaded through load()

Definition at line 84 of file ImGuiImage.C.

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The documentation for this class was generated from the following files:

• include/jevois/GPU/ImGuiImage.H
• src/jevois/GPU/ImGuiImage.C