This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.
Class | PImage |
Name |
updatePixels() |
Examples | 
PImage myImage;
int halfImage;
void setup() {
size(100, 100);
halfImage = width * height/2;
myImage = loadImage("apples.jpg");
myImage.loadPixels();
for (int i = 0; i < halfImage; i++) {
myImage.pixels[i+halfImage] = myImage.pixels[i];
}
myImage.updatePixels();
}
void draw() {
image(myImage, 0, 0);
}
|
Description |
Updates the image with the data in its pixels[] array. Use in conjunction with loadPixels(). If you're only reading pixels from the array, there's no need to call updatePixels().
|
Syntax | pimg.updatePixels()
pimg.updatePixels(x, y, w, h) |
Parameters |
pimg |
PImage: any object of type PImage |
x |
int: x-coordinate of the upper-left corner |
y |
int: y-coordinate of the upper-left corner |
w |
int: width |
h |
int: height |
|
Returns | void |
Updated on January 9, 2020 00:33:12pm EST