unlimited-storage

commit 15f9bf9a7e30b67f7fb91f2c470f3fcccd14e880
parent 524192288a32ee69b28143d1d7e67eb09b4b2609
Author: Andrew Laack <andrew@laack.co>
Date:   Thu, 10 Jul 2025 23:37:22 -0500

Started working on implementing a better system for encoding the filename and chunk information into the visible data instead of metadata.

Diffstat:
M
src/chunk.cpp
 | 
32
++++++++++++++++++++++++--------
M
src/encode.cpp
 | 
4
++--

2 files changed, 26 insertions(+), 10 deletions(-)
diff --git a/src/chunk.cpp b/src/chunk.cpp
@@ -140,6 +140,13 @@ void Chunk::writeVideo(std::string filename){
     std::cout << "NOT IMPLEMENTED" << std::endl;
 }
 
+
+
+// - chunk number  4 bytes
+// - characters    4 bytes
+// - fnamelen      4 bytes
+// - filename      fnamelen
+
 void Chunk::writeImage(std::string filename, uint chunkNumber, std::string originalFilename, uint x, uint y){
 
     Chunk chunk = this->chunk;
@@ -152,16 +159,25 @@ void Chunk::writeImage(std::string filename, uint chunkNumber, std::string origi
     }
 
     std::string header = "P1\n";
-    std::string comment = "# ";
-    comment.append(originalFilename);
-    // we assume no spaces in original filename
-    comment.append(" ");
-    comment.append(std::to_string(chunkNumber));
-    comment += " ";
-    comment += std::to_string(data.size());
-    comment.append("\n");
+    std::string comment = "# Encoded with Andrew's awesome .tga encoder.\n";
+
+    std::string chunkNumberEncoded = std::bitset<8*4>(chunkNumber).to_string();
+    std::string charactersEncoded = std::bitset<8*4>(data.size()).to_string();
 
     std::string dims = std::to_string(x);
+
+    std::string filenameEncoded = "";
+
+    // ascii encoding
+    // todo:
+    // create function for this.
+    
+    for (std::size_t i = 0; i < filename.size(); ++i)
+    {
+        filenameEncoded += std::bitset<8>(filename.c_str()[i]).to_string();
+    }
+    std::cout << filenameEncoded << std::endl;
+
     dims += " ";
     dims += std::to_string(y);
     dims += ("\n");
diff --git a/src/encode.cpp b/src/encode.cpp
@@ -17,12 +17,12 @@ int main(int argc, char* argv[]){
     Chunk outChunk = Chunk(bytes);
     outChunk.writeImage(destination, 1, source, 1920, 1080);
     std::cout << "BEFORE: " << std::endl;
-    outChunk.print();
+    // outChunk.print();
     std::cout << std::endl;
 
     Chunk readChunk = Chunk(destination);
     std::cout << "AFTER: " << std::endl;
-    readChunk.print();
+    // readChunk.print();
     std::cout << std::endl;
 
     return 0;