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Reading/Editing Texture Bytes

Started by Antonym Mar 6, 2009 at 1:25 PM 0 replies 400+ views

Original Post

Mar 6, 2009 at 1:25 PM

I want to use bitmap to generate some terrain using c++. The black pixels = no terrain/empty, white ones = terrain/solid. However I don't know how to get that info, how to read the bytes of the texture and know which ones are white and which ones are black. Any help/info on the subject is greatly appreciated.

bfi3d

Mar 7, 2009 at 6:49 AM

parse the bitmap file and read the pixel color

or

by using DirectX, just like:
first : D3DXCreateTextureFromFile()
then : lock the texture using LockRect() and reading the color values

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