Image decoder specialization for JPEG images. More...

#include <jpeg_image.h>

Inheritance diagram for esphome::online_image::JpegDecoder:

Public Member Functions
	JpegDecoder (OnlineImage *image)
	Construct a new JPEG Decoder object. More...

	~JpegDecoder () override

int	prepare (size_t download_size) override

int HOT	decode (uint8_t *buffer, size_t size) override

Public Member Functions inherited from esphome::online_image::ImageDecoder
	ImageDecoder (OnlineImage *image)
	Construct a new Image Decoder object. More...

virtual	~ImageDecoder ()=default

bool	set_size (int width, int height)
	Request the image to be resized once the actual dimensions are known. More...

void	draw (int x, int y, int w, int h, const Color &color)
	Fill a rectangle on the display_buffer using the defined color. More...

bool	is_finished () const

Protected Attributes
JPEGDEC	jpeg_ {}

Protected Attributes inherited from esphome::online_image::ImageDecoder
OnlineImage *	image_

size_t	download_size_ = 1

size_t	decoded_bytes_ = 0

double	x_scale_ = 1.0

double	y_scale_ = 1.0

Detailed Description

Image decoder specialization for JPEG images.

Definition at line 14 of file jpeg_image.h.

Constructor & Destructor Documentation

esphome::online_image::JpegDecoder::JpegDecoder ( OnlineImage * image )

inline

Construct a new JPEG Decoder object.

Parameters

display The image to decode the stream into.

Definition at line 21 of file jpeg_image.h.

esphome::online_image::JpegDecoder::~JpegDecoder ( )

inlineoverride

Definition at line 22 of file jpeg_image.h.

int HOT esphome::online_image::JpegDecoder::decode	(	uint8_t *	buffer,
		size_t	size
	)

overridevirtual

Definition at line 54 of file jpeg_image.cpp.

int esphome::online_image::JpegDecoder::prepare ( size_t download_size )

overridevirtual

Definition at line 44 of file jpeg_image.cpp.

JPEGDEC esphome::online_image::JpegDecoder::jpeg_ {}

protected

Definition at line 28 of file jpeg_image.h.

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