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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* Created By: Virgil Dupras
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* Created On: 2010-01-30
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* Copyright 2014 Hardcoded Software (http://www.hardcoded.net)
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*
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* This software is licensed under the "BSD" License as described in the
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* "LICENSE" file, which should be included with this package. The terms are
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* also available at http://www.hardcoded.net/licenses/bsd_license
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*/
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#include "common.h"
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static PyObject *cache_bytes_to_colors(PyObject *self, PyObject *args) {
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char *y;
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Py_ssize_t char_count, i, color_count;
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PyObject *result;
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unsigned long r, g, b;
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Py_ssize_t ci;
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PyObject *color_tuple;
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if (!PyArg_ParseTuple(args, "y#", &y, &char_count)) {
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return NULL;
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}
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color_count = char_count / 3;
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result = PyList_New(color_count);
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if (result == NULL) {
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return NULL;
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}
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for (i = 0; i < color_count; i++) {
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ci = i * 3;
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r = (unsigned char)y[ci];
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g = (unsigned char)y[ci + 1];
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b = (unsigned char)y[ci + 2];
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color_tuple = inttuple(3, r, g, b);
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if (color_tuple == NULL) {
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Py_DECREF(result);
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return NULL;
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}
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PyList_SET_ITEM(result, i, color_tuple);
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}
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return result;
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}
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static PyMethodDef CacheMethods[] = {
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{"bytes_to_colors", cache_bytes_to_colors, METH_VARARGS,
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"Transform the bytes 's' into a list of 3 sized tuples."},
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{NULL, NULL, 0, NULL} /* Sentinel */
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};
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static struct PyModuleDef CacheDef = {PyModuleDef_HEAD_INIT,
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"_cache",
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NULL,
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-1,
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CacheMethods,
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NULL,
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NULL,
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NULL,
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NULL};
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PyObject *PyInit__cache(void) {
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PyObject *m = PyModule_Create(&CacheDef);
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if (m == NULL) {
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return NULL;
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}
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return m;
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}
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