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- // write your code here
- var originalImage = new SimpleImage("duvall.jpg");
- print(originalImage);
- var xTimesBigger = 2;
- var resultImage = makeXTimesBigger(originalImage, xTimesBigger);
- print(resultImage);
- function makeXTimesBigger(originalImage, xTimesBigger){
- var resultImage = new SimpleImage(originalImage.getWidth()*xTimesBigger, originalImage.getHeight()*xTimesBigger);
- for(var resultPixel of resultImage.values()){
- var x = Math.floor(resultPixel.getX()/xTimesBigger);
- var y = Math.floor(resultPixel.getY()/xTimesBigger);
- var originalPixel = originalImage.getPixel(x, y);
- resultPixel.setRed(originalPixel.getRed());
- resultPixel.setGreen(originalPixel.getGreen());
- resultPixel.setBlue(originalPixel.getBlue());
- }
- return resultImage;
- }
- /////////
- //Another version where we make a picture ourselves using four different colors.
- var inImage = new SimpleImage(100, 100);
- var inImageWidth = inImage.getWidth();
- var inImageHeight = inImage.getHeight();
- for(var pixel of inImage.values()){
- var x = pixel.getX();
- var y = pixel.getY();
- if(x <= inImageWidth/2 && y <= inImageHeight/2){
- makeRed(pixel);
- }
- if(x > inImageWidth/2 && y < inImageHeight/2){
- makeBlue(pixel);
- }
- if(x <= inImageWidth/2 && y > inImageHeight/2){
- makeGreen(pixel);
- }
- if(x > inImageWidth/2 && y > inImageHeight/2){
- makePurple(pixel);
- }
- }
- print(inImage);
- var xTimesBigger = 3;
- var outImage = new SimpleImage(inImage.getWidth()*xTimesBigger, inImage.getHeight()*xTimesBigger);
- for(var pixel of outImage.values()){
- var x = Math.floor(pixel.getX()/xTimesBigger);
- var y = Math.floor(pixel.getY()/xTimesBigger);
- var inPixel = inImage.getPixel(x, y);
- pixel.setRed(inPixel.getRed());
- pixel.setGreen(inPixel.getGreen());
- pixel.setBlue(inPixel.getBlue());
- }
- print(outImage);
- function makeRed(p){
- pixel.setRed(255);
- pixel.setGreen(0);
- pixel.setBlue(0)
- }
- function makeGreen(p){
- pixel.setRed(0);
- pixel.setGreen(255);
- pixel.setBlue(0)
- }
- function makeBlue(p){
- pixel.setRed(0);
- pixel.setGreen(0);
- pixel.setBlue(255)
- }
- function makePurple(p){
- pixel.setRed(128);
- pixel.setGreen(0);
- pixel.setBlue(128)
- }
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