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Members

Functions

calculateOptimumDensity

uinteger[ubyte] calculateOptimumDensity(string filename, uinteger dataLength)

calculatePngCapacity

uinteger calculatePngCapacity(string pngFilename, ubyte density)

readDataFromPng

ubyte[] readDataFromPng(string pngFilename)

reads some data from a png image

writeDataToPng

string[] writeDataToPng(string pngFilename, string outputFilename, ubyte[] data)

writes some data to a png image

Variables

BYTES_PER_PIXEL

auto BYTES_PER_PIXEL;

Number of bytes per pixel (red, green, blue, & alpha = 4)

HEADER_BYTES

auto HEADER_BYTES;

Number of bytes taken by header

HEADER_DENSITY

auto HEADER_DENSITY;

Density for writing/reading header

• pngtext