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| author | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2022-08-09 17:43:48 +0200 |
|---|---|---|
| committer | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2022-08-09 17:43:48 +0200 |
| commit | 92f6962b597316ab0e05a6b7aeaabd7b492af602 (patch) | |
| tree | 343f71af464d86faad18a039d4817d1593de7366 /src/drivers/Xlib | |
| parent | 1562396ec09cc747c21118efbfe0bd4e866a0e13 (diff) | |
Fix Fl_Xlib_Graphics_Driver for tiled-depth 3 images.
Modifying test/tiled_image to make it use a depth-3 image for
tiling (rather than an Fl_Pixmap) shows the filter does require
to use PictOpOver as the render op in the XRenderComposite call.
Diffstat (limited to 'src/drivers/Xlib')
| -rw-r--r-- | src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx index dd9b7135e..73bea246e 100644 --- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx +++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx @@ -836,8 +836,8 @@ int Fl_Xlib_Graphics_Driver::scale_and_render_pixmap(Fl_Offscreen pixmap, int de // "When you use a filter you'll probably want to use PictOpOver as the render op, // regardless of whether the source picture has an alpha channel or not, since // the edges may end up having alpha values after the filter has been applied." - // suggests this would be preferable : - // has_alpha = true; + // suggests this is necessary : + has_alpha = true; } } XRenderComposite(fl_display, (has_alpha ? PictOpOver : PictOpSrc), src, None, dst, 0, 0, 0, 0, |