Return image buffer when loading greyscale image #6
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This allows to initialize a framebuffer with the image buffer to draw further objects and text on top of the image. It also allows to skip immediate rendering of the image buffer, so after further manipulation one can call update_greyscale() manually to avoid double-rendering.
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This allows to initialize a framebuffer with the image buffer to draw further objects and text on top of the image. It also allows to skip immediate rendering of the image buffer, so after further manipulation one can call update_greyscale() manually to avoid double-rendering.