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how read value of pixel in texture

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With DirectX 8.x using LPDIRECT3DTEXTURE8:

Lock the texture (or a parts of it) with LockRect(), it will return a pointer to your texture data (in the D3DLOCKED_RECT structure). Now you can do with it whatever you like. Make sure to unlock the texture after your done with it.

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Also, make sure to get the pitch of the image.

You can often end up with screwed up images due to ignoring the pitch.


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