pythonnative/src/pythonnative/native/yoga/python.cpp at main · pythonnative/pythonnative · GitHub

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// Python host binding for the same Yoga core used by mobile runtimes.

#include <Python.h>

#include <yoga/Yoga.h>

extern "C" {

typedef void (*PNMeasure)(YGNodeConstRef, float, int, float, int, float*, float*);

static PNMeasure callback = nullptr;

static YGSize measure(YGNodeConstRef node, float w, YGMeasureMode wm, float h, YGMeasureMode hm) {

float width = 0, height = 0;

callback(node, w, static_cast<int>(wm), h, static_cast<int>(hm), &width, &height);

return {width, height};

}

void pn_yoga_callback(PNMeasure fn) { callback = fn; }

void pn_yoga_measure(YGNodeRef node, int enabled) { YGNodeSetMeasureFunc(node, enabled ? measure : nullptr); }

static PyModuleDef module = {PyModuleDef_HEAD_INIT, "_yoga", "Yoga 3.2.1 host library", -1, nullptr};

PyMODINIT_FUNC PyInit__yoga() { return PyModule_Create(&module); }

}