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Diffstat (limited to 'wx+/image_tools.h')
| -rw-r--r-- | wx+/image_tools.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/wx+/image_tools.h b/wx+/image_tools.h index 9de93c26..ec9e34d4 100644 --- a/wx+/image_tools.h +++ b/wx+/image_tools.h @@ -54,6 +54,8 @@ void move(wxImage& img, int up, int left) inline wxBitmap greyScale(const wxBitmap& bmp) { + assert(!bmp.GetMask()); //wxWidgets screws up for the gazillionth time applying a mask instead of alpha channel if the .png image has only 0 and 0xff opacity values!!! + wxImage output = bmp.ConvertToImage().ConvertToGreyscale(1.0 / 3, 1.0 / 3, 1.0 / 3); //treat all channels equally! //wxImage output = bmp.ConvertToImage().ConvertToGreyscale(); adjustBrightness(output, 160); |