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| author | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:24:35 +0200 |
|---|---|---|
| committer | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:24:35 +0200 |
| commit | 460091fb0b2ff114cc741372f15bb43b702ea3b1 (patch) | |
| tree | 0562c2eda4c66969c6e6d0910080db9f5b0def3e /wx+/image_tools.h | |
| parent | 5.15 (diff) | |
| download | FreeFileSync-460091fb0b2ff114cc741372f15bb43b702ea3b1.tar.gz FreeFileSync-460091fb0b2ff114cc741372f15bb43b702ea3b1.tar.bz2 FreeFileSync-460091fb0b2ff114cc741372f15bb43b702ea3b1.zip | |
5.16
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); |