From: Zelakiewicz, S. (Research) <zel...@cr...> - 2004-09-14 15:59:43
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Hi, I am trying to get up to speed writing a simple app using vgui. After loading a 16-bit grayscale image, I want to control the level and contrast of the displayed image. I suspect this functionality exists but I have not been able to find it. Any suggestions? Thanks for you input, Scott. |
From: Ian S. <ian...@st...> - 2004-09-14 18:24:23
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Zelakiewicz, Scott (Research) wrote: > Hi, > > I am trying to get up to speed writing a simple app using vgui. After > loading a 16-bit grayscale image, I want to control the level and contrast > of the displayed image. I suspect this functionality exists but I have not > been able to find it. Any suggestions? > You can directly change a vil_image_view<>'s contrast and brightness using: vil_math_scale_and_offset_values(vil_image_view<imT>& image, scale, offset) Ian. |