So I'm trying to speed up some drawing we're doing (drawing a portion of an arc with alpha transparency) and was attempting to cache the entire arc into a separate bitmap, and show it selectively w...

I have a view which does some basic drawing. After this I want to draw a rectangle with a hole punched in so that only a region of the previous drawing is visible. And I'd like to do this with hard...

I am working on a picture editing tool in which I need to merge two images. Most of the image editing tools like gimp use PorterDuff modes for merging or blending images. I am also using the same a...

In my project I have a bitmap filling the entire screen. On this bitmap i draw a path with android.graphics.Canvas.drawPath(Path path, Paint paint) the paint is set in order to stroke and fill ...

I have a black & white ninepatch drawable as background of a view and I would like to apply a color on it, like a semi-transparent overlay that leaves the drawing visible but applies the desire...

Okay so i've been trying to do this for a couple of days and i am getting no where. So i have the following two images: The First is a RPM Gauge The Second image is a full white graphic represe...