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/* brushlib - The MyPaint Brush Library
* Copyright (C) 2011 Martin Renold <martinxyz@gmx.ch>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <mypaint-brush-settings.h>
class PythonBrush : public Brush {
public:
// get states as numpy array
PyObject * get_states_as_array ()
{
npy_intp dims = {MYPAINT_BRUSH_STATES_COUNT};
PyObject * data = PyArray_SimpleNew(1, &dims, NPY_FLOAT32);
npy_float32 * data_p = (npy_float32*)PyArray_DATA((PyArrayObject*)data);
for (int i=0; i<MYPAINT_BRUSH_STATES_COUNT; i++) {
data_p[i] = get_state((MyPaintBrushState)i);
}
return data;
}
// set states from numpy array
void set_states_from_array (PyObject * obj)
{
PyArrayObject* data = (PyArrayObject*)obj;
assert(PyArray_NDIM(data) == 1);
assert(PyArray_DIM(data, 0) == MYPAINT_BRUSH_STATES_COUNT);
assert(PyArray_ISCARRAY(data));
npy_float32 * data_p = (npy_float32*)PyArray_DATA(data);
for (int i=0; i<MYPAINT_BRUSH_STATES_COUNT; i++) {
set_state((MyPaintBrushState)i, data_p[i]);
}
}
// Same as Brush::stroke_to() but with minimal exception handling:
// don't indicate that a split is pending should an exception happen
// in the surface code (e.g. out-of-memory)
bool stroke_to (Surface * surface, float x, float y, float pressure, float xtilt, float ytilt, double dtime, float viewzoom, float viewrotation, float barrel_rotation)
{
bool res = Brush::stroke_to (surface, x, y, pressure, xtilt, ytilt, dtime, viewzoom, viewrotation, barrel_rotation);
if (PyErr_Occurred()) {
res = false;
}
return res;
}
bool stroke_to_linear (Surface * surface, float x, float y, float pressure, float xtilt, float ytilt, double dtime, float viewzoom, float viewrotation, float barrel_rotation)
{
bool res = Brush::stroke_to_linear (surface, x, y, pressure, xtilt, ytilt, dtime, viewzoom, viewrotation, barrel_rotation);
if (PyErr_Occurred()) {
res = false;
}
return res;
}
};
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