Functions - OpenBR

void init()

Initialize the FileGallery. This sets f using the file name from file. It also calls Gallery::init.

function definition:
```
void init()
```
parameters: NONE
output: (void)

qint64 totalSize()

Get the total size of the file. This is useful for estimating progress.

function definition:
```
qint64 totalSize()
```
parameters: NONE
output: (qint64) Returns the total size of the file in bytes

qint64 position()

Get the current index in the file. This is useful for reading and writing blocks of data

function definition:
```
qint64 position()
```
parameters: NONE
output: (qint64) Returns the current position in the file

bool readOpen()

Open f in read-only mode

function definition:
```
bool readOpen()
```
parameters: NONE
output: (bool) Returns true if the file was opened successfully, false otherwise

void writeOnly()

Open f in write-only mode

function definition:
```
void writeOpen()
```
parameters: NONE
output: (void)