3 2D Graphics and Animation
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Sketch 27: Saving an Image and Adjusting Transparency
We are going to write a sketch that will allow the user to select a color in an image that will become transparent, and then save the image as a GIF. We can save any PImage
in a file, just as most image files can be read into a PImage
. If img
is a PImage
variable, we can save it as a file using this function call:
img.save ("image.jpg");
The parameter is the name of the file to be created. In the situation above, it will create a file named image.jpg and save the pixels of the PImage
in JPEG format. The format is conveniently determined by the last three letters ...
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