PyObject* pixel_map::convert_to_rgbarray() const {
unsigned w = width();
unsigned h = height();
pix_format_e format = get_pix_format();
rgba8 c;
unsigned i,j;
npy_intp dims[3];
PyObject* arr = NULL;
char* data = NULL;
dims[0] = w;
dims[1] = h;
dims[2] = 3;
import_array();
arr = PyArray_SimpleNew(3,dims,PyArray_BYTE);
if (arr==NULL)
return NULL;
data = ((PyArrayObject *)arr)->data;
switch (format) {
case pix_format_bgra32:
{
pixfmt_bgra32 r((rendering_buffer&)m_rbuf_window);
for (j=0;j<h;++j)
for (i=0;i<w;++i)
{
c = r.pixel(i,h-j-1);
*(data++) = (char)c.r;
*(data++) = (char)c.g;
*(data++) = (char)c.b;
}
}
break;
case pix_format_rgb24:
{
pixfmt_rgb24 r((rendering_buffer&)m_rbuf_window);
for (j=0;j<h;++j)
{
memcpy(data, r.row_ptr(h-j-1), w*3);
data += w*3;
}
}
break;
default:
fprintf(stderr,"pix_format %d not handled!\n",format);
}
return arr;
}
// Convert to a Python string containing 32 bit ARGB values.
PyObject* pixel_map::convert_to_argb32string() const
{
unsigned w = width();
unsigned h = height();
PyObject *str = PyString_FromStringAndSize(NULL, w * h * 4);
if (str == NULL)
return NULL;
unsigned *data = (unsigned *)PyString_AS_STRING(str);
pix_format_e format = get_pix_format();
switch (format)
{
case pix_format_bgra32:
{
pixfmt_bgra32 r((rendering_buffer &)m_rbuf_window);
for (unsigned j = 0; j < h; ++j)
for (unsigned i = 0; i < w; ++i)
{
rgba8 c = r.pixel(i, h - j - 1);
*data++ = (((unsigned char)c.a) << 24) |
(((unsigned char)c.r) << 16) |
(((unsigned char)c.g) << 8) |
((unsigned char)c.b);
}
}
break;
default:
Py_DECREF(str);
PyErr_Format(PyExc_ValueError, "pix_format %d not handled", format);
return NULL;
}
return str;
}
wxImage* pixel_map::convert_to_wximage() const {
unsigned w = width();
unsigned h = height();
#ifdef WX_RELEASE_2_5
wxImage* image = new wxImage(w, h, false);
#else
wxImage* image = new wxImage(w, h);
#endif
unsigned char* data = image->GetData();
pix_format_e format = get_pix_format();
rgba8 c;
unsigned i,j;
switch (format) {
case pix_format_bgra32:
#ifdef WX_RELEASE_2_5
image->SetAlpha();
printf("image->HasAlpha()=%d\n",image->HasAlpha());
#endif
{
pixel_formats_rgba32<order_bgra32> r((rendering_buffer&)m_rbuf_window);
for (j=0;j<h;++j)
for (i=0;i<w;++i)
{
c = r.pixel(i,h-j-1);
*(data++) = (unsigned char)c.r;
*(data++) = (unsigned char)c.g;
*(data++) = (unsigned char)c.b;
#ifdef WX_RELEASE_2_5
image->SetAlpha((int)i,(int)j,(unsigned char)c.a);
#endif
}
}
break;
default:
fprintf(stderr,"pix_format %d not handled!\n",format);
}
return image;
}