alpha channel of imported raster images gets altered
Bug #442550 reported by
Hadmut Danisch
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Inkscape |
Invalid
|
Undecided
|
Unassigned |
Bug Description
Hi,
I tried to use inkscape to draw annotations (pointers, texts etc.) onto given raster images, which basically works as wanted and expected. Just start inkscape with the given PNG file, and inkscape automatically opens a drawing with the appropriate size and imports the image. Save as .svg and call inkscape with -e to create a modified PNG. Great. :-)
But when the given PNG image has parts with a alpha channel < 1, e.g. for a drop shadow, these parts are dropped by inkscape.
Try the attached Image (which I found somewhere in the Internet as a good example).
Open it with inkscape, draw something, save it as .svg and call inkscape -e ... . Shadow of the image is lost.
tags: | added: bitmap |
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works for me, see attached svg where it is imported, background objects clearly show through the shadow