Created attachment 128411 [details] [review]
I cross-compiled cairo-1.15.2 and cairo-1.15.4 for windows.
When running a test program, I get the following:
> Assertion failed!
> File: src/cairo-surface.c, Line 545
> Expression: surface->is_clear
> abnormal program termination
This happens in cairo_surface_create_similar.
Adding a line
> new_surf->is_clear = TRUE;
at the end of _cairo_win32_display_surface_create_similar in src/win32/cairo-win32-display-surface.c
fixes the issue (see patch).
Remark: The particular case occured only for width = 0 in cairo_surface_create_similar. For width > 0 the issue did not happen.
I have a similar bug in ruby rcairo.
Full story is available on the rcairo issue :
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