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really working webp alpha decoding

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wiredfool 2013-05-13 21:27:41 -07:00
parent b52c22316f
commit 0472b91d16
1 changed files with 7 additions and 4 deletions
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11
_webp.c
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@ -112,15 +112,12 @@ PyObject* WebPEncodeRGBA_wrapper(PyObject* self, PyObject* args)
PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args) PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args)
{ {
PyBytesObject *webp_string; PyBytesObject *webp_string;
int width;
int height;
uint8_t *webp; uint8_t *webp;
uint8_t *output;
Py_ssize_t size; Py_ssize_t size;
PyObject *ret, *bytes; PyObject *ret, *bytes;
WebPDecoderConfig config; WebPDecoderConfig config;
VP8StatusCode vp8_status_code = VP8_STATUS_OK; VP8StatusCode vp8_status_code = VP8_STATUS_OK;
char* mode = NULL; char* mode = "RGB";
if (!PyArg_ParseTuple(args, "S", &webp_string)) { if (!PyArg_ParseTuple(args, "S", &webp_string)) {
Py_INCREF(Py_None); Py_INCREF(Py_None);
@ -136,6 +133,12 @@ PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args)
vp8_status_code = WebPGetFeatures(webp, size, &config.input); vp8_status_code = WebPGetFeatures(webp, size, &config.input);
if (vp8_status_code == VP8_STATUS_OK) { if (vp8_status_code == VP8_STATUS_OK) {
// If we don't set it, we don't get alpha.
// Initialized to MODE_RGB
if (config.input.has_alpha) {
config.output.colorspace = MODE_RGBA;
mode = "RGBA";
}
vp8_status_code = WebPDecode(webp, size, &config); vp8_status_code = WebPDecode(webp, size, &config);
} }