display a raw RGB file (in Processing)

Misc/displayRGB.pde

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+
+// PROCESSING file to read a raw rgb data file and display it
+
+//                       Alanesq - 13Nov20
+
+// ----------------------------------------------------------
+
+
+// image file (csv)
+  String fileName = "q.rgb";
+
+// Image resolution
+  int resX = 640;
+  int resY = 480;
+
+
+byte[] rgbFile; 
+int xPos = 0;
+int yPos = 0;
+
+
+//   ----------------------------------------------------------------------------------------
+
+
+void setup() {
+  
+  // open csv file
+    rgbFile = loadBytes(fileName);
+    print(fileName + " file size = ");
+    println(rgbFile.length);
+  
+  size(640,480);
+  background(0);   
+  noLoop();
+  stroke(255);
+  
+}  // setup
+
+
+//   ----------------------------------------------------------------------------------------
+
+
+void draw() {
+  
+  for(int i = 0; i < (rgbFile.length - 2); i+=3) {
+          // increment image position
+            xPos = xPos + 1;
+            if (xPos == resX) {
+               xPos = 0;
+               yPos = yPos  + 1;
+            }
+            stroke(rgbFile[i+2] & 0xff,rgbFile[i+1] & 0xff,rgbFile[i+0] & 0xff);
+            point(resX-xPos,yPos);
+    }
+ 
+ println("Finished");
+
+}   // draw
+
+
+//   ----------------------------------------------------------------------------------------
+
+