Education/Projects/ProcessingForTheWeb/PImage.get: Difference between revisions
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=== Tests === | === Tests === | ||
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| All get() functionality | |||
| [http://matrix.senecac.on.ca/~asobiepa/Processing/PImage/PImageGet.html get()] | |||
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Latest revision as of 01:38, 28 November 2009
Summary
This is a method of the PImage class written for Education/Projects/ProcessingForTheWeb. Gets the color of a pixel, a group of pixels, or the entire image. View official Reference
Examples
void setup() { size(250,200); background(0); }
PImage pimg = new PImage(loadImage("fish.jpg")); PImage pimg2 = pimg.get(0,0,64,46); color c= pimg.get(120,0); fill(c);
void draw() { image(pimg,0,0); rect(25, 25, 50, 50); image(pimg2,0,93); }
Syntax
Description | |
---|---|
img.get() | returns the entire image |
img.get(x, y) | returns the color of a single pixel in the img pixels[y*width+x] |
img.get(x, y, width, height) | returns a section of the display window by specifing an additional width and height parameter. If the pixel requested is outside of the image window, black is returned. |
Parameters
Description | |
---|---|
img | PImage |
x | x-coordinate of the pixel |
y | y-coordinate of the pixel |
width | width of pixel rectangle to get |
height | height of pixel rectangle to get |
Returns
color or PImage
Bugs
Refer to the reference of each function for a specific bug report.
Bug Description | Fixed?(Date) |
---|---|
Tests
Test | Location |
All get() functionality | get() |