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| Description |
A helper to load BMP files from disc and cache them in the display state.
Uses GL.BMP, and only supports images loadable by it.
Also has functions for drawing directly into off-screen images.
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| Synopsis |
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| Documentation |
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| cache |
| :: IORef RenderState | The current state
| | -> FilePath | The path to the image.
| | -> IO Image | | | Loads an image from the file system and caches it in the display state. Subsequent calls
to cacheImage with the same path will return the previously loaded image.
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| new :: Int -> Int -> IO Image |
| Create an off-screen image with the given size.
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| free :: Image -> IO () |
| Free an image.
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| clear :: Image -> Color -> IO () |
| Clear an image with the specified color.
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| colorToWord32 :: Color -> Word32 |
| Convert a color to it's low level Word32 representation for the Image.
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| plotPoint :: Image -> Color -> Int -> Int -> IO () |
| Plot a single point into an image.
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| plotRectangle :: Image -> Color -> Int -> Int -> Int -> Int -> IO () |
| Plot a rectangle with the given dimensions into an image.
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| pointOffset :: Image -> Int -> Int -> Int |
| Return the offset into the image for the given point.
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| plotGrid :: Image -> [[Color]] -> Int -> Int -> Int -> Int -> Int -> Int -> Int -> Int -> IO () |
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| Produced by Haddock version 0.7 |
