Core Java Volume II 9E by Horstmann Cay S. & Cornell Gary

Author:Horstmann, Cay S. & Cornell, Gary [Horstmann, Cay S.]
Language: eng
Format: epub
Published: 2013-04-10T00:00:00+00:00

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7.8. Transparency and Composition

In the standard RGB color model, every color is described by its red, green, and blue components. However, it is also convenient to describe areas of an image that are transparent or partially transparent. When you superimpose an image onto an existing drawing, the transparent pixels do not obscure the pixels under them at all, whereas partially transparent pixels are mixed with the pixels under them. Figure 7.21 shows the effect of overlaying a partially transparent rectangle on an image. You can still see the details of the image shine through from under the rectangle.

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