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Date Posted: 17:18:55 02/23/01 Fri
Author: Bob Villiers
Subject: RGB or Scanline

I have been working on mixing two TdibGraphic images (same size,same image format) using Earl Glyn's Tween example as a model. The images are 2200 x 400.

This involves separating the R,G and B component of each pixel in each image and creating a new image where the corresponding pixel is the weighted addition of the two contributing images. I tried using the RGB property and the scanline property. Both worked but both were too slow for my purposes.

I have now found an alternative solution to the problem, but for future reference, what would be the preferred method for pixel level work, RGB or Scanline. In the example above there did not appear to be a great difference.


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