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#include <string.h>
#include <stdio.h>
#include <X11/Xutil.h>
#include "x11/agg_bmp.h"
#include "x11/agg_platform_specific.h"
/* #include <agg_pixfmt_rgba32.h> */
#include "agg_pixfmt_rgb.h"
#include "agg_pixfmt_rgba.h"
#include "agg_color_rgba.h"
#ifdef NUMPY
#include "numpy/arrayobject.h"
# ifndef PyArray_SBYTE
# include "numpy/noprefix.h"
# include "numpy/oldnumeric.h"
# include "numpy/old_defines.h"
# endif
#else
#include "Numeric/arrayobject.h"
#define PyArray_UBYTELTR 'b'
#endif
#if 0
#define DEBUG_MTH(NAME) fprintf(stderr, NAME "\n");
#define DEBUG_MTH2(STR,ARG1,ARG2) fprintf(stderr, STR "\n",(ARG1),(ARG2));
#define DEBUG_MTH5(STR,ARG1,ARG2,ARG3,ARG4,ARG5) fprintf(stderr, STR "\n",(ARG1),(ARG2),(ARG3),(ARG4),(ARG5));
#else
#define DEBUG_MTH(NAME)
#define DEBUG_MTH2(STR,ARG1,ARG2)
#define DEBUG_MTH5(STR,ARG1,ARG2,ARG3,ARG4,ARG5)
#endif
namespace agg
{
//------------------------------------------------------------------------
pixel_map::pixel_map(unsigned width, unsigned height, pix_format_e format,
unsigned clear_val, bool bottom_up):
m_bmp(0),
m_buf(0),
m_specific(new platform_specific(format, bottom_up))
{
DEBUG_MTH5("pixel_map::pixel_map(%d,%d,%d,%d,%d)",width,height,format,clear_val,bottom_up);
m_bpp = m_specific->m_bpp;
create(width, height, clear_val);
}
//------------------------------------------------------------------------
pixel_map::~pixel_map()
{
DEBUG_MTH("pixel_map::~pixel_map");
destroy();
delete m_specific;
}
//------------------------------------------------------------------------
void pixel_map::destroy()
{
if (m_specific->m_ximage != 0)
{
m_specific->destroy();
} else if(m_bmp)
{
delete [] (unsigned char*)m_bmp;
}
m_bmp = 0;
m_buf = 0;
}
//------------------------------------------------------------------------
void pixel_map::create(unsigned width,
unsigned height,
unsigned clear_val)
{
destroy();
if(width == 0) width = 1;
if(height == 0) height = 1;
unsigned row_len = platform_specific::calc_row_len(width, m_bpp);
unsigned img_size = row_len * height;
m_bmp = (Pixmap*) new unsigned char[img_size];
m_buf = (unsigned char*)m_bmp;
if(clear_val <= 255) {
memset(m_buf, clear_val, img_size);
}
m_rbuf_window.attach(m_buf, width, height,
(m_specific->m_flip_y ? -row_len : row_len));
}
//------------------------------------------------------------------------
void pixel_map::draw(Window dc, int x, int y, double scale) const
{
DEBUG_MTH("pixel_map::draw");
if(m_bmp == 0 || m_buf == 0) return;
m_specific->display_pmap(dc, &m_rbuf_window);
}
pix_format_e pixel_map::get_pix_format() const {
return m_specific->m_format;
}
unsigned char* pixel_map::buf() { return m_buf; }
unsigned pixel_map::width() const { return m_rbuf_window.width(); }
unsigned pixel_map::height() const { return m_rbuf_window.height(); }
unsigned pixel_map::stride() const { return platform_specific::calc_row_len(width(),m_bpp); }
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;
}
#ifdef WX_INFO
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;
}
#endif
}
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