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import processing.serial.*; |
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import processing.video.*; |
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Capture video; |
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int videoWidth = 640; |
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int videoHeight = 480; |
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void setup() { |
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size(640, 480); |
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frameRate(10); |
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colorMode(HSB, 100, 100, 100); |
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video = new Capture(this, width, height); |
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video.start(); |
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background(0); |
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} |
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void draw() { |
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ephPercentage(); |
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} |
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int cellSize = 20; |
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int cols = videoWidth / cellSize; |
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int rows = videoHeight / cellSize; |
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int cellN = (cols)*(rows); |
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int[] colorValues = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
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void ephPercentage() { |
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if (video.available()) { |
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video.read(); |
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video.loadPixels(); |
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for(int i = 0; i<colorValues.length; i++) { |
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colorValues[i] = 0; |
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} |
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for (int i = 0; i < cols; i++) { |
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for (int j = 0; j < rows; j++) { |
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int x = i*cellSize; |
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int y = j*cellSize; |
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int loc = (video.width - x - 1) + y*video.width; // Reversing x to mirror the image |
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// Get hue and brightness values |
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float hueVal = hue(video.pixels[loc]); |
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float briVal = brightness(video.pixels[loc]); |
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float satVal = saturation(video.pixels[loc]); |
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// Set pixel color |
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color c = color(hueVal, satVal, briVal); |
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// Check brightness values, |
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// if greater then 80% increace white counter, |
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// if lower then 20% increace black counter, |
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// otherwise increase color counters |
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if(briVal > 20 && briVal < 80) { |
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colorValues[int(hueVal/8.3)]++; |
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} else if(briVal <= 20) { |
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colorValues[12]++; |
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} else if(briVal >= 20) { |
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colorValues[13]++; |
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} |
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pushMatrix(); |
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translate(x+cellSize/2, y+cellSize/2); |
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rectMode(CENTER); |
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fill(c); |
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noStroke(); |
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rect(0, 0, cellSize+6, cellSize+6); |
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popMatrix(); |
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} |
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} |
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// Print colors percentage values |
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for(int i = 0; i<colorValues.length-2; i++) { |
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//print(colorValues[i]/(float(cellN)/100) + "\t"); |
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fill(color((i*8.3)+5, 100, 100)); |
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rect(0, (i*5)+5, colorValues[i], 5); |
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} |
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fill(0); |
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rect(0, 65, colorValues[12], 5); |
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fill(100); |
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rect(0, 70, colorValues[13], 5); |
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println(""); |
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} |
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} |
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