import hypermedia.video.*; OpenCV opencv; void setup() { size( 320, 240 ); opencv = new OpenCV(this); opencv.capture( width, height ); println( "Move the mouse along the x-axis to change the contrast value" ); println( "Move the mouse along the y-axis to change the brightness value" ); } void draw() { int c = (int) map(mouseX, 0, width, -128, 128); int b = (int) map(mouseY, 0, height, -128, 128); opencv.read(); opencv.ROI( 110, 70, 100, 100 ); opencv.brightness( b ); opencv.contrast( c ); image( opencv.image(), 0, 0 ); }