The ModelPC class Model Layer of the app. Main class that does the work of PictureCrypt logic Controled by ControllerPC. More...

#include <modelpc.h>

Inheritance diagram for ModelPC:

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Collaboration diagram for ModelPC:

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Public Types
enum	CryptMode { Unspecified, v1_3, v1_4, jphs_mode }

Public Slots
QImage *	encrypt (QByteArray data, QImage image, int _mode, QString key="", int _bitsUsed=8, QString _error=nullptr)
	ModelPC::encrypt Slot to zip and inject data and provide it with some extra stuff After completion start standard ModelPC::inject Isn't used in PictureCrypt, but used can be used in other - custom projects. More...

QByteArray	decrypt (QImage image, QString key, int _mode=Unspecified, QString _error=nullptr)
	ModelPC::decrypt Slot to be called when decrypt mode in ViewPC is selected and started. More...

void	fail (QString message)
	ModelPC::fail Slot to stop execution of cryption. More...

void	alert (QString message, bool isWarning=false)
	ModelPC::alert Function emits signal ModelPC::alertView and calls ViewPC::alert. More...

Signals
void	alertView (QString messageCode, bool isWarning)
	alertView Signal to be called to create MessageBox. More...

void	saveData (QByteArray data)
	saveData Signal to be called to save data from ModelPC::decrypt. More...

void	saveImage (QImage *image)
	saveImage Signal to be called to save image from ModelPC::encrypt. More...

void	setProgress (int val)
	setProgress Signal to be called to set progress of ProgressDialog. More...

Public Member Functions
	ModelPC ()
	ModelPC::ModelPC Constructor Unit tests are run here. More...

QByteArray	unzip (QByteArray data, QByteArray key)
	ModelPC::unzip Unzip data from ModelPC::decrypt. Just mirrored EncryptDialog::zip. More...

Static Public Member Functions
static QImage *	Encrypt (QByteArray data, QImage image, CryptMode _mode, QString key="", int _bitsUsed=8, QString _error=nullptr)

static QByteArray	Decrypt (QImage image, QString key, CryptMode _mode=Unspecified, QString _error=nullptr)

Public Attributes
bool	success
	success Flag that true by default, but in case of error or cancelling of ProgressDialog it turns to false, which stops execution of ModelPC::circuit More...

long	version
	version Version of the class More...

QString	versionString
	versionString Version as string More...

QString	defaultJPHSDir
	defaultJPHSDir Default JPHS directory More...

Protected Slots
QImage *	inject (QByteArray encr_data, QImage image, int _mode, int _bitsUsed=8, QString _error=nullptr)
	ModelPC::inject Slot to be called when encrypt mode in ViewPC is selected and started. More...

Protected Member Functions
void	circuit (QImage image, QByteArray data, long long int countBytes)
	ModelPC::circuit The brain of the app. Via special circuit stores data in image. More...

void	jphs (QImage image, QByteArray data)
	ModelPC::jphs JPHS function to use jphide and jpseek (currently under development) More...

void	processPixel (QPoint pos, QVector< QPoint > *were, bool isEncrypt)
	ModelPC::processPixel Processes every pixel. Reads its contains or writes data. More...

void	encryptv1_4 (QImage *image, QByteArray data, QString key)
	ModelPC::encryptv1_4 Encrypts and injects data to image used in v1.4+. More...

QByteArray	decryptv1_3 (QImage *image, QString key)
	ModelPC::decryptv1_3 Decrytps data from image in v1.3. More...

QByteArray	decryptv1_4 (QImage *image, QString key)
	ModelPC::decryptv1_4 Decrypts data from image in v1.4+. More...

void	proccessPixelsv1_4 (QImage image, QByteArray data, QByteArray key, bool isEncrypt, QVector< QPair< QPoint, QPair< int, int > > > *were, long long size=-1)
	ModelPC::proccessPixelsv1_4 Hides (or retrieves) data to/from pixels. More...

QByteArray	zip (QByteArray data, QByteArray key)
	ModelPC::zip Zip function, copy of EncryptDialog::zip Used for ModelPC in custom projects, other than PictureCrypt. More...

Static Protected Member Functions
static QImage *	Inject (QByteArray encr_data, QImage image, CryptMode _mode, int _bitsUsed=8, QString _error=nullptr)

Protected Attributes
QString *	error
	error Current error More...

Detailed Description

The ModelPC class Model Layer of the app. Main class that does the work of PictureCrypt logic Controled by ControllerPC.

See also: ViewPC, ControllerPC

Author: Alex Kovrigin (waleko)

Definition at line 33 of file modelpc.h.

Member Enumeration Documentation

enum ModelPC::CryptMode

Enumerator
Unspecified
v1_3
v1_4
jphs_mode

Definition at line 38 of file modelpc.h.

Constructor & Destructor Documentation

ModelPC::ModelPC ( )

ModelPC::ModelPC Constructor Unit tests are run here.

See also: ControllerPC, ViewPC

Definition at line 9 of file modelpc.cpp.

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Member Function Documentation

void ModelPC::alert	(	QString	message,
		bool	isWarning = `false`
	)

slot

ModelPC::alert Function emits signal ModelPC::alertView and calls ViewPC::alert.

Parameters

message	Message to be transmitted.
isWarning	Flag if message is critical.

See also: ViewPC::alert

Definition at line 941 of file modelpc.cpp.

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void ModelPC::alertView	(	QString	messageCode,
		bool	isWarning
	)

signal

alertView Signal to be called to create MessageBox.

Parameters

messageCode	Message Code to be shown.
isWarning	Flag if message is critical.

See also: ModelPC::alert, ViewPC::alert

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void ModelPC::circuit	(	QImage *	image,
		QByteArray *	data,
		long long int	countBytes
	)

protected

ModelPC::circuit The brain of the app. Via special circuit stores data in image.

The circuit itself can be found in documentation or in commentaries in source.

Parameters

image	Image to be processed.
data	Data to be processed.
countBytes	Number of bytes to be read or written.

See also: ModelPC::processPixel

Definition at line 359 of file modelpc.cpp.

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QByteArray ModelPC::Decrypt	(	QImage *	image,
		QString	key,
		CryptMode	_mode = `Unspecified`,
		QString *	_error = `nullptr`
	)

static

Definition at line 34 of file modelpc.cpp.

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QByteArray ModelPC::decrypt	(	QImage *	image,
		QString	key,
		int	_mode = `Unspecified`,
		QString *	_error = `nullptr`
	)

slot

ModelPC::decrypt Slot to be called when decrypt mode in ViewPC is selected and started.

Parameters

image	Image to be decrypted.
key	Keyphrase with which the data is injected
_mode	Mode for decryption
_error	Error output

Returns: Returns decrypted data

See also: ViewPC::on_startButton_clicked, ModelPC::inject, ModelPC::circuit

Definition at line 212 of file modelpc.cpp.

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QByteArray ModelPC::decryptv1_3	(	QImage *	image,
		QString	key
	)

protected

ModelPC::decryptv1_3 Decrytps data from image in v1.3.

Parameters

image	Image with data
key	Key

Returns: Returns obtained data

Definition at line 778 of file modelpc.cpp.

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QByteArray ModelPC::decryptv1_4	(	QImage *	image,
		QString	key
	)

protected

ModelPC::decryptv1_4 Decrypts data from image in v1.4+.

Parameters

image	Image with data
key	Key

Returns: Returns obtained data

Definition at line 603 of file modelpc.cpp.

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QImage * ModelPC::Encrypt	(	QByteArray	data,
		QImage *	image,
		CryptMode	_mode,
		QString	key = `""`,
		int	_bitsUsed = `8`,
		QString *	_error = `nullptr`
	)

static

Definition at line 24 of file modelpc.cpp.

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QImage * ModelPC::encrypt	(	QByteArray	data,
		QImage *	image,
		int	_mode,
		QString	key = `""`,
		int	_bitsUsed = `8`,
		QString *	_error = `nullptr`
	)

slot

ModelPC::encrypt Slot to zip and inject data and provide it with some extra stuff After completion start standard ModelPC::inject Isn't used in PictureCrypt, but used can be used in other - custom projects.

Parameters

data	Data for embedding
image	Image for embedding
_mode	Mode for embedding
key	Key for extra encryption
_bitsUsed	Bits per byte (see ModelPC::bitsUsed)
_error	Error output

Returns: Returns image with embedded data

See also: ModelPC::inject

Definition at line 51 of file modelpc.cpp.

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void ModelPC::encryptv1_4	(	QImage *	image,
		QByteArray	data,
		QString	key
	)

protected

ModelPC::encryptv1_4 Encrypts and injects data to image used in v1.4+.

Parameters

image	Image for injecting
data	Data for embedding
key	Key of encryption

Definition at line 561 of file modelpc.cpp.

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void ModelPC::fail ( QString message )

slot

ModelPC::fail Slot to stop execution of cryption.

Parameters

message Message for user

Definition at line 283 of file modelpc.cpp.

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QImage * ModelPC::Inject	(	QByteArray	encr_data,
		QImage *	image,
		CryptMode	_mode,
		int	_bitsUsed = `8`,
		QString *	_error = `nullptr`
	)

staticprotected

Definition at line 29 of file modelpc.cpp.

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QImage * ModelPC::inject	(	QByteArray	encr_data,
		QImage *	image,
		int	_mode,
		int	_bitsUsed = `8`,
		QString *	_error = `nullptr`
	)

protectedslot

ModelPC::inject Slot to be called when encrypt mode in ViewPC is selected and started.

Parameters

encr_data	Data to be inserted to an image.
image	Image to be inserted in.
_mode	Mode of encryption
_bitsUsed	Bits per byte used
_error	Error output

Returns: Returns image with embedded data.

See also: ViewPC::on_startButton_clicked, ModelPC::decrypt, ModelPC::circuit, ModelPC::start

Definition at line 139 of file modelpc.cpp.

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void ModelPC::jphs	(	QImage *	image,
		QByteArray *	data
	)

protected

ModelPC::jphs JPHS function to use jphide and jpseek (currently under development)

Parameters

image	Image for embedding
data	Data

Definition at line 298 of file modelpc.cpp.

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void ModelPC::proccessPixelsv1_4	(	QImage *	image,
		QByteArray *	data,
		QByteArray	key,
		bool	isEncrypt,
		QVector< QPair< QPoint, QPair< int, int > > > *	were,
		long long	size = `-1`
	)

protected

ModelPC::proccessPixelsv1_4 Hides (or retrieves) data to/from pixels.

Parameters

image	Original image
data	Data to write (Pointer to empty QByteArray if decrypting)
key	Key
isEncrypt	Mode of Cryption (true -> encryption, false -> decryption)
were	Were vector for visited pixels
size	Size of reading data, unneeded if writing

Definition at line 664 of file modelpc.cpp.

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void ModelPC::processPixel	(	QPoint	pos,
		QVector< QPoint > *	were,
		bool	isEncrypt
	)

protected

ModelPC::processPixel Processes every pixel. Reads its contains or writes data.

Parameters

pos	Position of pixel
were	Vector array containing pixels, that were already processed.
isEncrypt	Mode of operation. If true encryption operations will continue, else the decryption ones.

Definition at line 500 of file modelpc.cpp.

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