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authorDavid Thompson <dthompson2@worcester.edu>2016-01-01 11:06:29 -0500
committerDavid Thompson <dthompson2@worcester.edu>2016-01-01 11:06:29 -0500
commit29228696345c2d19be81daebea4da5170f35694e (patch)
treea1bde73df1d55f052c75b4313eb940f06a1fb611 /sdl2.scm
parent048f80ddb5c6b03b87bba199a99a6f22d911bfff (diff)
surface: Fix SDL_Surface struct parsing.
The code worked fine on Guile 2.0.11, but Guile master revealed how bad it was to use 'sizeof' to calculate byte offsets into structs due to the padding calculations it does. On Guile master, the offset for surface height and pitch were the same, and that lead to bad news when trying to use that incorrectly parsed data to inspect the pixel buffer. * sdl2/surface.scm (%width-offset, %height-offset, %pitch-offset) (%pixels-offset): Delete. (%surface-types): New variable. (surface-parse-match): New syntax. (surface-width, surface-height, surface-pitch, surface-pixels): Use new struct parsing method. * .dirlocals.el: Add new indenting rule.
Diffstat (limited to 'sdl2.scm')
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