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Partial work to add a wrapper for WebPGetFeatures to correctly support #204

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This commit is contained in:
Euan Goddard 2013-05-13 17:02:36 +01:00
parent 1344610a52
commit 5a0308cc19
1 changed files with 36 additions and 0 deletions
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36
_webp.c
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@ -2,6 +2,41 @@
#include "py3.h"
#include <webp/encode.h>
#include <webp/decode.h>
#include <webp/types.h>
PyObject* WebPGetFeatures_wrapper(PyObject* self, PyObject* args)
{
PyBytesObject *webp_string;
const uint8_t* webp = NULL;
VP8StatusCode vp8_status_code = VP8_STATUS_OK;
Py_ssize_t size;
WebPBitstreamFeatures* const features;
if (!PyArg_ParseTuple(args, "S", &webp_string)) {
Py_INCREF(Py_None);
return Py_None;
}
PyBytes_AsStringAndSize((PyObject *) webp_string, (char**)&webp, &size);
vp8_status_code = WebPGetFeatures(webp, size, features);
if (vp8_status_code == VP8_STATUS_OK) {
printf("%i", features->has_alpha);
} else {
// TODO: raise some sort of error
printf("Error occured checking webp file with code: %d\n", vp8_status_code);
Py_INCREF(Py_None);
return Py_None;
}
free((void*)webp);
return Py_BuildValue("b", features->has_alpha);
}
PyObject* WebPEncodeRGB_wrapper(PyObject* self, PyObject* args)
{
@ -127,6 +162,7 @@ PyObject* WebPDecodeRGBA_wrapper(PyObject* self, PyObject* args)
static PyMethodDef webpMethods[] =
{
{"WebPGetFeatures", WebPGetFeatures_wrapper, METH_VARARGS, "WebPGetFeatures"},
{"WebPEncodeRGB", WebPEncodeRGB_wrapper, METH_VARARGS, "WebPEncodeRGB"},
{"WebPEncodeRGBA", WebPEncodeRGBA_wrapper, METH_VARARGS, "WebPEncodeRGBA"},
{"WebPDecodeRGB", WebPDecodeRGB_wrapper, METH_VARARGS, "WebPDecodeRGB"},