diff options
author | shumkovnd <shumkovnd@yandex-team.com> | 2023-11-10 14:39:34 +0300 |
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committer | shumkovnd <shumkovnd@yandex-team.com> | 2023-11-10 16:42:24 +0300 |
commit | 77eb2d3fdcec5c978c64e025ced2764c57c00285 (patch) | |
tree | c51edb0748ca8d4a08d7c7323312c27ba1a8b79a /contrib/python/matplotlib/py2/src/py_converters.cpp | |
parent | dd6d20cadb65582270ac23f4b3b14ae189704b9d (diff) | |
download | ydb-77eb2d3fdcec5c978c64e025ced2764c57c00285.tar.gz |
KIKIMR-19287: add task_stats_drawing script
Diffstat (limited to 'contrib/python/matplotlib/py2/src/py_converters.cpp')
-rw-r--r-- | contrib/python/matplotlib/py2/src/py_converters.cpp | 619 |
1 files changed, 619 insertions, 0 deletions
diff --git a/contrib/python/matplotlib/py2/src/py_converters.cpp b/contrib/python/matplotlib/py2/src/py_converters.cpp new file mode 100644 index 0000000000..c36fc59f59 --- /dev/null +++ b/contrib/python/matplotlib/py2/src/py_converters.cpp @@ -0,0 +1,619 @@ +#define NO_IMPORT_ARRAY + +#include "py_converters.h" +#include "numpy_cpp.h" + +#include "agg_basics.h" +#include "agg_color_rgba.h" +#include "agg_math_stroke.h" + +extern "C" { + +static int convert_string_enum(PyObject *obj, const char *name, const char **names, int *values, int *result) +{ + PyObject *bytesobj; + char *str; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + if (PyUnicode_Check(obj)) { + bytesobj = PyUnicode_AsASCIIString(obj); + if (bytesobj == NULL) { + return 0; + } + } else if (PyBytes_Check(obj)) { + Py_INCREF(obj); + bytesobj = obj; + } else { + PyErr_Format(PyExc_TypeError, "%s must be bytes or unicode", name); + return 0; + } + + str = PyBytes_AsString(bytesobj); + if (str == NULL) { + Py_DECREF(bytesobj); + return 0; + } + + for ( ; *names != NULL; names++, values++) { + if (strncmp(str, *names, 64) == 0) { + *result = *values; + Py_DECREF(bytesobj); + return 1; + } + } + + PyErr_Format(PyExc_ValueError, "invalid %s value", name); + Py_DECREF(bytesobj); + return 0; +} + +int convert_from_method(PyObject *obj, const char *name, converter func, void *p) +{ + PyObject *value; + + value = PyObject_CallMethod(obj, (char *)name, NULL); + if (value == NULL) { + if (!PyObject_HasAttrString(obj, (char *)name)) { + PyErr_Clear(); + return 1; + } + return 0; + } + + if (!func(value, p)) { + Py_DECREF(value); + return 0; + } + + Py_DECREF(value); + return 1; +} + +int convert_from_attr(PyObject *obj, const char *name, converter func, void *p) +{ + PyObject *value; + + value = PyObject_GetAttrString(obj, (char *)name); + if (value == NULL) { + if (!PyObject_HasAttrString(obj, (char *)name)) { + PyErr_Clear(); + return 1; + } + return 0; + } + + if (!func(value, p)) { + Py_DECREF(value); + return 0; + } + + Py_DECREF(value); + return 1; +} + +int convert_double(PyObject *obj, void *p) +{ + double *val = (double *)p; + + *val = PyFloat_AsDouble(obj); + if (PyErr_Occurred()) { + return 0; + } + + return 1; +} + +int convert_bool(PyObject *obj, void *p) +{ + bool *val = (bool *)p; + + *val = PyObject_IsTrue(obj); + + return 1; +} + +int convert_cap(PyObject *capobj, void *capp) +{ + const char *names[] = {"butt", "round", "projecting", NULL}; + int values[] = {agg::butt_cap, agg::round_cap, agg::square_cap}; + int result = agg::butt_cap; + + if (!convert_string_enum(capobj, "capstyle", names, values, &result)) { + return 0; + } + + *(agg::line_cap_e *)capp = (agg::line_cap_e)result; + return 1; +} + +int convert_join(PyObject *joinobj, void *joinp) +{ + const char *names[] = {"miter", "round", "bevel", NULL}; + int values[] = {agg::miter_join_revert, agg::round_join, agg::bevel_join}; + int result = agg::miter_join_revert; + + if (!convert_string_enum(joinobj, "joinstyle", names, values, &result)) { + return 0; + } + + *(agg::line_join_e *)joinp = (agg::line_join_e)result; + return 1; +} + +int convert_rect(PyObject *rectobj, void *rectp) +{ + agg::rect_d *rect = (agg::rect_d *)rectp; + + if (rectobj == NULL || rectobj == Py_None) { + rect->x1 = 0.0; + rect->y1 = 0.0; + rect->x2 = 0.0; + rect->y2 = 0.0; + } else { + try + { + numpy::array_view<const double, 2> rect_arr(rectobj); + + if (rect_arr.dim(0) != 2 || rect_arr.dim(1) != 2) { + PyErr_SetString(PyExc_ValueError, "Invalid bounding box"); + return 0; + } + + rect->x1 = rect_arr(0, 0); + rect->y1 = rect_arr(0, 1); + rect->x2 = rect_arr(1, 0); + rect->y2 = rect_arr(1, 1); + } + catch (py::exception &) + { + PyErr_Clear(); + + try + { + numpy::array_view<const double, 1> rect_arr(rectobj); + + if (rect_arr.dim(0) != 4) { + PyErr_SetString(PyExc_ValueError, "Invalid bounding box"); + return 0; + } + + rect->x1 = rect_arr(0); + rect->y1 = rect_arr(1); + rect->x2 = rect_arr(2); + rect->y2 = rect_arr(3); + } + catch (py::exception &) + { + return 0; + } + } + } + + return 1; +} + +int convert_rgba(PyObject *rgbaobj, void *rgbap) +{ + agg::rgba *rgba = (agg::rgba *)rgbap; + + if (rgbaobj == NULL || rgbaobj == Py_None) { + rgba->r = 0.0; + rgba->g = 0.0; + rgba->b = 0.0; + rgba->a = 0.0; + } else { + rgba->a = 1.0; + if (!PyArg_ParseTuple( + rgbaobj, "ddd|d:rgba", &(rgba->r), &(rgba->g), &(rgba->b), &(rgba->a))) { + return 0; + } + } + + return 1; +} + +int convert_dashes(PyObject *dashobj, void *dashesp) +{ + Dashes *dashes = (Dashes *)dashesp; + + if (dashobj == NULL && dashobj == Py_None) { + return 1; + } + + PyObject *dash_offset_obj = NULL; + double dash_offset = 0.0; + PyObject *dashes_seq = NULL; + Py_ssize_t nentries; + + if (!PyArg_ParseTuple(dashobj, "OO:dashes", &dash_offset_obj, &dashes_seq)) { + return 0; + } + + if (dash_offset_obj != Py_None) { + dash_offset = PyFloat_AsDouble(dash_offset_obj); + if (PyErr_Occurred()) { + return 0; + } + } + + if (dashes_seq == Py_None) { + return 1; + } + + if (!PySequence_Check(dashes_seq)) { + PyErr_SetString(PyExc_TypeError, "Invalid dashes sequence"); + return 0; + } + + nentries = PySequence_Size(dashes_seq); + if (nentries % 2 != 0) { + PyErr_Format(PyExc_ValueError, "dashes sequence must have an even number of elements"); + return 0; + } + + for (Py_ssize_t i = 0; i < nentries; ++i) { + PyObject *item; + double length; + double skip; + + item = PySequence_GetItem(dashes_seq, i); + if (item == NULL) { + return 0; + } + length = PyFloat_AsDouble(item); + if (PyErr_Occurred()) { + Py_DECREF(item); + return 0; + } + Py_DECREF(item); + + ++i; + + item = PySequence_GetItem(dashes_seq, i); + if (item == NULL) { + return 0; + } + skip = PyFloat_AsDouble(item); + if (PyErr_Occurred()) { + Py_DECREF(item); + return 0; + } + Py_DECREF(item); + + dashes->add_dash_pair(length, skip); + } + + dashes->set_dash_offset(dash_offset); + + return 1; +} + +int convert_dashes_vector(PyObject *obj, void *dashesp) +{ + DashesVector *dashes = (DashesVector *)dashesp; + + if (!PySequence_Check(obj)) { + return 0; + } + + Py_ssize_t n = PySequence_Size(obj); + + for (Py_ssize_t i = 0; i < n; ++i) { + PyObject *item; + Dashes subdashes; + + item = PySequence_GetItem(obj, i); + if (item == NULL) { + return 0; + } + + if (!convert_dashes(item, &subdashes)) { + Py_DECREF(item); + return 0; + } + Py_DECREF(item); + + dashes->push_back(subdashes); + } + + return 1; +} + +int convert_trans_affine(PyObject *obj, void *transp) +{ + agg::trans_affine *trans = (agg::trans_affine *)transp; + + /** If None assume identity transform. */ + if (obj == NULL || obj == Py_None) { + return 1; + } + + try + { + numpy::array_view<const double, 2> matrix(obj); + + if (matrix.dim(0) == 3 && matrix.dim(1) == 3) { + trans->sx = matrix(0, 0); + trans->shx = matrix(0, 1); + trans->tx = matrix(0, 2); + + trans->shy = matrix(1, 0); + trans->sy = matrix(1, 1); + trans->ty = matrix(1, 2); + + return 1; + } + } + catch (py::exception &) + { + return 0; + } + + PyErr_SetString(PyExc_ValueError, "Invalid affine transformation matrix"); + return 0; +} + +int convert_path(PyObject *obj, void *pathp) +{ + py::PathIterator *path = (py::PathIterator *)pathp; + + PyObject *vertices_obj = NULL; + PyObject *codes_obj = NULL; + PyObject *should_simplify_obj = NULL; + PyObject *simplify_threshold_obj = NULL; + bool should_simplify; + double simplify_threshold; + + int status = 0; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + vertices_obj = PyObject_GetAttrString(obj, "vertices"); + if (vertices_obj == NULL) { + goto exit; + } + + codes_obj = PyObject_GetAttrString(obj, "codes"); + if (codes_obj == NULL) { + goto exit; + } + + should_simplify_obj = PyObject_GetAttrString(obj, "should_simplify"); + if (should_simplify_obj == NULL) { + goto exit; + } + should_simplify = PyObject_IsTrue(should_simplify_obj); + + simplify_threshold_obj = PyObject_GetAttrString(obj, "simplify_threshold"); + if (simplify_threshold_obj == NULL) { + goto exit; + } + simplify_threshold = PyFloat_AsDouble(simplify_threshold_obj); + if (PyErr_Occurred()) { + goto exit; + } + + if (!path->set(vertices_obj, codes_obj, should_simplify, simplify_threshold)) { + goto exit; + } + + status = 1; + +exit: + Py_XDECREF(vertices_obj); + Py_XDECREF(codes_obj); + Py_XDECREF(should_simplify_obj); + Py_XDECREF(simplify_threshold_obj); + + return status; +} + +int convert_clippath(PyObject *clippath_tuple, void *clippathp) +{ + ClipPath *clippath = (ClipPath *)clippathp; + py::PathIterator path; + agg::trans_affine trans; + + if (clippath_tuple != NULL && clippath_tuple != Py_None) { + if (!PyArg_ParseTuple(clippath_tuple, + "O&O&:clippath", + &convert_path, + &clippath->path, + &convert_trans_affine, + &clippath->trans)) { + return 0; + } + } + + return 1; +} + +int convert_snap(PyObject *obj, void *snapp) +{ + e_snap_mode *snap = (e_snap_mode *)snapp; + + if (obj == NULL || obj == Py_None) { + *snap = SNAP_AUTO; + } else if (PyObject_IsTrue(obj)) { + *snap = SNAP_TRUE; + } else { + *snap = SNAP_FALSE; + } + + return 1; +} + +int convert_sketch_params(PyObject *obj, void *sketchp) +{ + SketchParams *sketch = (SketchParams *)sketchp; + + if (obj == NULL || obj == Py_None) { + sketch->scale = 0.0; + } else if (!PyArg_ParseTuple(obj, + "ddd:sketch_params", + &sketch->scale, + &sketch->length, + &sketch->randomness)) { + return 0; + } + + return 1; +} + +int convert_gcagg(PyObject *pygc, void *gcp) +{ + GCAgg *gc = (GCAgg *)gcp; + + if (!(convert_from_attr(pygc, "_linewidth", &convert_double, &gc->linewidth) && + convert_from_attr(pygc, "_alpha", &convert_double, &gc->alpha) && + convert_from_attr(pygc, "_forced_alpha", &convert_bool, &gc->forced_alpha) && + convert_from_attr(pygc, "_rgb", &convert_rgba, &gc->color) && + convert_from_attr(pygc, "_antialiased", &convert_bool, &gc->isaa) && + convert_from_attr(pygc, "_capstyle", &convert_cap, &gc->cap) && + convert_from_attr(pygc, "_joinstyle", &convert_join, &gc->join) && + convert_from_method(pygc, "get_dashes", &convert_dashes, &gc->dashes) && + convert_from_attr(pygc, "_cliprect", &convert_rect, &gc->cliprect) && + convert_from_method(pygc, "get_clip_path", &convert_clippath, &gc->clippath) && + convert_from_method(pygc, "get_snap", &convert_snap, &gc->snap_mode) && + convert_from_method(pygc, "get_hatch_path", &convert_path, &gc->hatchpath) && + convert_from_method(pygc, "get_hatch_color", &convert_rgba, &gc->hatch_color) && + convert_from_method(pygc, "get_hatch_linewidth", &convert_double, &gc->hatch_linewidth) && + convert_from_method(pygc, "get_sketch_params", &convert_sketch_params, &gc->sketch))) { + return 0; + } + + return 1; +} + +int convert_offset_position(PyObject *obj, void *offsetp) +{ + e_offset_position *offset = (e_offset_position *)offsetp; + const char *names[] = {"data", NULL}; + int values[] = {OFFSET_POSITION_DATA}; + int result = (int)OFFSET_POSITION_FIGURE; + + if (!convert_string_enum(obj, "offset_position", names, values, &result)) { + PyErr_Clear(); + } + + *offset = (e_offset_position)result; + + return 1; +} + +int convert_face(PyObject *color, GCAgg &gc, agg::rgba *rgba) +{ + if (!convert_rgba(color, rgba)) { + return 0; + } + + if (color != NULL && color != Py_None) { + if (gc.forced_alpha || PySequence_Size(color) == 3) { + rgba->a = gc.alpha; + } + } + + return 1; +} + +int convert_points(PyObject *obj, void *pointsp) +{ + numpy::array_view<double, 2> *points = (numpy::array_view<double, 2> *)pointsp; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + points->set(obj); + + if (points->size() == 0) { + return 1; + } + + if (points->dim(1) != 2) { + PyErr_Format(PyExc_ValueError, + "Points must be Nx2 array, got %" NPY_INTP_FMT "x%" NPY_INTP_FMT, + points->dim(0), points->dim(1)); + return 0; + } + + return 1; +} + +int convert_transforms(PyObject *obj, void *transp) +{ + numpy::array_view<double, 3> *trans = (numpy::array_view<double, 3> *)transp; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + trans->set(obj); + + if (trans->size() == 0) { + return 1; + } + + if (trans->dim(1) != 3 || trans->dim(2) != 3) { + PyErr_Format(PyExc_ValueError, + "Transforms must be Nx3x3 array, got %" NPY_INTP_FMT "x%" NPY_INTP_FMT "x%" NPY_INTP_FMT, + trans->dim(0), trans->dim(1), trans->dim(2)); + return 0; + } + + return 1; +} + +int convert_bboxes(PyObject *obj, void *bboxp) +{ + numpy::array_view<double, 3> *bbox = (numpy::array_view<double, 3> *)bboxp; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + bbox->set(obj); + + if (bbox->size() == 0) { + return 1; + } + + if (bbox->dim(1) != 2 || bbox->dim(2) != 2) { + PyErr_Format(PyExc_ValueError, + "Bbox array must be Nx2x2 array, got %" NPY_INTP_FMT "x%" NPY_INTP_FMT "x%" NPY_INTP_FMT, + bbox->dim(0), bbox->dim(1), bbox->dim(2)); + return 0; + } + + return 1; +} + +int convert_colors(PyObject *obj, void *colorsp) +{ + numpy::array_view<double, 2> *colors = (numpy::array_view<double, 2> *)colorsp; + + if (obj == NULL || obj == Py_None) { + return 1; + } + + colors->set(obj); + + if (colors->size() == 0) { + return 1; + } + + if (colors->dim(1) != 4) { + PyErr_Format(PyExc_ValueError, + "Colors array must be Nx4 array, got %" NPY_INTP_FMT "x%" NPY_INTP_FMT, + colors->dim(0), colors->dim(1)); + return 0; + } + + return 1; +} +} |