Education/Projects/ProcessingForTheWeb/PImage.get: Difference between revisions
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background(img);<br /> | background(img);<br /> | ||
PImage b = img.get(50, 0, 50, 100); <br /> | PImage b = img.get(50, 0, 50, 100); <br /> | ||
image(b, 0, 0); <br /> | image(b, 0, 0); <br /> | ||
Revision as of 06:12, 22 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
PImage img = loadImage("tower.jpg");
background(img);
PImage b = img.get(50, 0, 50, 100);
image(b, 0, 0);
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) |
|---|---|