cleasbycode / pdvrdt

Hide images and other file types within a PNG cover image using this steganography-like privacy tool. Post images on X/Twitter, Mastodon and other hosting sites.

Hi, I’m Nicholas Cleasby (@CleasbyCode). I'm a beginner programmer.

Learning C++ and playing around with file formats.

pdvrdt's Issues

conver image is solid black

build with g++ -std=c++17 main.cpp -O2 -lz -s -o pdvin with warning:

./valueUpdater.cpp:4:3: warning: expression result unused [-Wunused-value]
                static_cast<uint32_t>(vec[value_insert_index++] = (NEW_VALUE >> (value_bit_length -= 8)) & 0xff);
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.

use this back icon image

when complete, open png file is solid black, not a back icon