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raise limits to skip webp alpha tests for libwebp <= 0.2.1

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Hans-Peter Jansen 2015-02-05 12:14:30 +01:00
parent 5fa52f8891
commit dd2266d8a6
1 changed files with 6 additions and 2 deletions
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6
_webp.c
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@ -229,9 +229,13 @@ PyObject* WebPDecoderVersion_wrapper(PyObject* self, PyObject* args){
/* /*
* The version of webp that ships with (0.1.3) Ubuntu 12.04 doesn't handle alpha well. * The version of webp that ships with (0.1.3) Ubuntu 12.04 doesn't handle alpha well.
* Files that are valid with 0.3 are reported as being invalid. * Files that are valid with 0.3 are reported as being invalid.
* 0.2.1, that ships with openSUSE 12.3 fails consistently with:
* AssertionError: average pixel value difference 3.0000 > epsilon 1.0000
* therefor, we're suppressing alpha channel tests for webp <= 0.2.1, and users of this
* part of the lib are being warned
*/ */
PyObject* WebPDecoderBuggyAlpha_wrapper(PyObject* self, PyObject* args){ PyObject* WebPDecoderBuggyAlpha_wrapper(PyObject* self, PyObject* args){
return Py_BuildValue("i", WebPGetDecoderVersion()==0x0103); return Py_BuildValue("i", WebPGetDecoderVersion()<=0x0201);
} }
static PyMethodDef webpMethods[] = static PyMethodDef webpMethods[] =