Education/Projects/ProcessingForTheWeb/PImage.get: Difference between revisions

Revision as of 06:12, 22 November 2009

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

PImage img = loadImage("tower.jpg");
background(img);
PImage b = img.get(50, 0, 50, 100);

image(b, 0, 0);

	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.

	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

color or PImage

Refer to the reference of each function for a specific bug report.

Bug Description	Fixed?(Date)

@@ Line 30: / Line 30: @@
 == Parameters ==
-img: PImage
+{| class="wikitable" border="1" width="700"
-x:       x-coordinate of the pixel<br />
+|-
-y:       y-coordinate of the pixel<br />
+!
-width:   width of pixel rectangle to get<br />
+! Description
-height:  height of pixel rectangle to get<br />
+|-
+|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 ==