Added README

Author: msg-programs

README.md

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+=== Readme - Magic Eye Generator v1.0 ===
+
+== By: 
+msg (msg-programs)
+
+== What:
+A program to generate autostereograms aka magic eye images from two images.
+
+== Needed:
+Currently only tested with JDK 13
+
+== Usage:
+1. Select "texture", the repeatng pattern as seen normally. Preferrably a tileable image
+2. Select "depth map", the image to appear. Generated image will be the size of this image.
+3. Enter scale of texture as float. Bigger number = smaller scale, since downscaling is more often used. 
+	Texture should be repeated a good numebr of times.
+4. Enter displacement as int. Bigger number = more displacement, causing the depth effect to be more intense.
+	 In practise, numbers between 10 and 40 are best to use. "Smearing" occurs when displacement is too big, breaking the illusion.
+5. Enter contrast modifier. Bigger number = more contrast. Makes depth differences more extreme.
+	Values too big may cause staggering and delete detail in very bright/dark areas.
+6. Check box if your depth map uses white as far and black as near, as the program assumes this to be the other way around.
+7. Click render to update display. 
+8. Adjust values until image can be seen and recognised clearly.
+9. Save image using the button. Image will be saved as a number in the same directory as the jar.
+
+
+== Generated files:
+Image will be saved as a number in the same directory as the jar.