Midterm exam 1 review Sp2005: Posterize
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public void newPosterize()
{
Pixel pixel = null;
int redValue = 0;
int greenValue = 0;
int blueValue = 0;
// loop through the pixels
for (int x = 0; x this.getWidth(); x++) {
for (int y = 0; y this.getHeight(); y++) {
// get the current pixel and colors
pixel = this.getPixel(x,y);
redValue = pixel.getRed();
greenValue = pixel.getGreen();
blueValue = pixel.getBlue();
// check for red range and change color
if (redValue <= 128)
redValue = 5;
else if (redValue > 128)
redValue = 255;
// check for green range
if (greenValue < 10)
greenValue = 200;
else if (greenValue > 200)
greenValue = 10;
// check for blue range
if (blueValue <= 250)
blueValue = 200;
else if (blueValue > 250)
blueValue = 201;
// set the colors
pixel.setRed(redValue);
pixel.setGreen(greenValue);
pixel.setBlue(blueValue);
}
}
}
Student36
when do we use else v. else if?
| You don't ever have to use else. If you do, having else if just means that you've got another if after the else. Nothing special. Mark Guzdial |
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