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FileInterface

Abstract file interface for platform independence.

Allows ImageCache to work with different file systems (embedded flash, SD card, etc.)

Namespace: enjin2

Header: include/enjin2/components/image_cache.hpp

Public Methods​

virtual ~FileInterface()=default​

bool open()=0​

Open the file for reading.

True if file opened successfully

void close()=0​

Close the file.

size_t read(uint8_t *buffer, size_t length)=0​

Read data from the file.

bufferOutput buffer for read data lengthNumber of bytes to read Number of bytes actually read

bool seek(size_t position)=0​

Seek to position in the file.

positionByte offset from beginning of file True if seek successful

size_t size() const =0 const​

Get file size.

File size in bytes