Exemplo n.º 1
0
Arquivo: sinus.c Projeto: Minoos/gimp
static void
sinus (void)
{
  params  p;
  gint    bytes;
  GimpPixelRgn dest_rgn;
  gint     x1, y1, x2, y2;
  gpointer pr;
  gint progress, max_progress;

  prepare_coef(&p);

  gimp_drawable_mask_bounds(drawable->drawable_id, &x1, &y1, &x2, &y2);

  p.width = drawable->width;
  p.height = drawable->height;
  bytes = drawable->bpp;

  gimp_pixel_rgn_init (&dest_rgn, drawable,
                       x1, y1, x2 - x1, y2 - y1, TRUE,TRUE);
  progress = 0;
  max_progress = (x2 - x1) * (y2 - y1);

  for (pr = gimp_pixel_rgns_register (1, &dest_rgn);
       pr != NULL;
       pr = gimp_pixel_rgns_process (pr))
    {
      switch (bytes)
        {
        case 4:
          compute_block_x (dest_rgn.data, dest_rgn.rowstride,
                           dest_rgn.x, dest_rgn.y, dest_rgn.w, dest_rgn.h,
                           4, assign_block_4, &p);
          break;
        case 3:
          compute_block_x (dest_rgn.data, dest_rgn.rowstride,
                           dest_rgn.x, dest_rgn.y, dest_rgn.w, dest_rgn.h,
                           3, assign_block_3, &p);
          break;
        case 2:
          compute_block_x (dest_rgn.data, dest_rgn.rowstride,
                           dest_rgn.x, dest_rgn.y, dest_rgn.w, dest_rgn.h,
                           2, assign_block_2, &p);
          break;
        case 1:
          compute_block_x (dest_rgn.data, dest_rgn.rowstride,
                           dest_rgn.x, dest_rgn.y, dest_rgn.w, dest_rgn.h,
                           1, assign_block_1, &p);
          break;
        }
      progress += dest_rgn.w * dest_rgn.h;
      gimp_progress_update ((double) progress / (double) max_progress);
    }

  gimp_drawable_flush (drawable);
  gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
  gimp_drawable_update (drawable->drawable_id, x1, y1, x2 - x1, y2 - y1);
}
Exemplo n.º 2
0
Arquivo: sinus.c Projeto: Minoos/gimp
void
sinus_do_preview (GtkWidget *widget)
{
  static GtkWidget *theWidget = NULL;
  gint              rowsize;
  guchar           *buf;
  params            p;

  if (!do_preview)
    return;

  if (theWidget == NULL)
    {
      theWidget = widget;
    }

  rowsize = thePreview->width * thePreview->bpp;
  buf = g_new (guchar, thePreview->width*thePreview->height*thePreview->bpp);

  p.height = thePreview->height;
  p.width = thePreview->width;

  prepare_coef (&p);

  if (thePreview->bpp == 3) /* [dindinx]: it looks to me that this is always true... */
    compute_block_x (buf, rowsize, 0, 0, thePreview->width, thePreview->height,
                     3, assign_block_3, &p);
  else if (thePreview->bpp == 1)
    {
      compute_block_x (buf, rowsize, 0, 0, thePreview->width,
                       thePreview->height, 1, assign_block_1, &p);
    }

  gimp_preview_area_draw (GIMP_PREVIEW_AREA (theWidget),
                          0, 0, thePreview->width, thePreview->height,
                          GIMP_RGB_IMAGE,
                          buf,
                          rowsize);
  g_free (buf);
}
Exemplo n.º 3
0
Matrix::Matrix (const ::VSMap &in, ::VSMap &out, void * /*user_data_ptr*/, ::VSCore &core, const ::VSAPI &vsapi)
:	vsutl::FilterBase (vsapi, "matrix", ::fmParallel, 0)
,	_clip_src_sptr (vsapi.propGetNode (&in, "clip", 0, 0), vsapi)
,	_vi_in (*_vsapi.getVideoInfo (_clip_src_sptr.get ()))
,	_vi_out (_vi_in)
,	_sse_flag (false)
,	_sse2_flag (false)
,	_avx_flag (false)
,	_avx2_flag (false)
,	_range_set_src_flag (false)
,	_range_set_dst_flag (false)
,	_full_range_src_flag (false)
,	_full_range_dst_flag (false)
/*,	_mat_main ()*/
,	_csp_out (fmtcl::ColorSpaceH265_UNSPECIFIED)
,	_plane_out (get_arg_int (in, out, "singleout", -1))
,	_proc_uptr ()
{
	assert (&in != 0);
	assert (&out != 0);
	assert (&core != 0);
	assert (&vsapi != 0);

	vsutl::CpuOpt  cpu_opt (*this, in, out);
	_sse_flag  = cpu_opt.has_sse ();
	_sse2_flag = cpu_opt.has_sse2 ();
	_avx_flag  = cpu_opt.has_avx ();
	_avx2_flag = cpu_opt.has_avx2 ();

	_proc_uptr = std::unique_ptr <fmtcl::MatrixProc> (new fmtcl::MatrixProc (
		_sse_flag, _sse2_flag, _avx_flag, _avx2_flag
	));

	// Checks the input clip
	if (_vi_in.format == 0)
	{
		throw_inval_arg ("only constant pixel formats are supported.");
	}

	const ::VSFormat &   fmt_src = *_vi_in.format;

	if (fmt_src.subSamplingW != 0 || fmt_src.subSamplingH != 0)
	{
		throw_inval_arg ("input must be 4:4:4.");
	}
	if (fmt_src.numPlanes != NBR_PLANES)
	{
		throw_inval_arg ("greyscale format not supported as input.");
	}
	if (   (   fmt_src.sampleType == ::stInteger
	        && (   fmt_src.bitsPerSample <  8
	            || fmt_src.bitsPerSample > 12)
	        && fmt_src.bitsPerSample != 16)
	    || (   fmt_src.sampleType == ::stFloat
	        && fmt_src.bitsPerSample != 32))
	{
		throw_inval_arg ("pixel bitdepth not supported.");
	}

	if (_plane_out >= NBR_PLANES)
	{
		throw_inval_arg (
			"singleout is a plane index and must be -1 or ranging from 0 to 3."
		);
	}

	// Destination colorspace
	bool           force_col_fam_flag;
	const ::VSFormat *   fmt_dst_ptr = get_output_colorspace (
		in, out, core, fmt_src, _plane_out, force_col_fam_flag
	);

	if (   fmt_dst_ptr->colorFamily != ::cmGray
	    && fmt_dst_ptr->colorFamily != ::cmRGB
	    && fmt_dst_ptr->colorFamily != ::cmYUV
	    && fmt_dst_ptr->colorFamily != ::cmYCoCg)
	{
		throw_inval_arg ("unsupported color family for output.");
	}
	if (   (   fmt_dst_ptr->sampleType == ::stInteger
	        && (   fmt_dst_ptr->bitsPerSample <  8
	            || fmt_dst_ptr->bitsPerSample > 12)
	        && fmt_dst_ptr->bitsPerSample != 16)
	    || (   fmt_dst_ptr->sampleType == ::stFloat
	        && fmt_dst_ptr->bitsPerSample != 32))
	{
		throw_inval_arg ("output bitdepth not supported.");
	}
	if (   fmt_dst_ptr->sampleType    != fmt_src.sampleType
	    || fmt_dst_ptr->bitsPerSample <  fmt_src.bitsPerSample
	    || fmt_dst_ptr->subSamplingW  != fmt_src.subSamplingW
	    || fmt_dst_ptr->subSamplingH  != fmt_src.subSamplingH)
	{
		throw_inval_arg (
			"specified output colorspace is not compatible with the input."
		);
	}

	// Preliminary matrix test: deduce the target color family if unspecified
	if (   ! force_col_fam_flag
	    && fmt_dst_ptr->colorFamily != ::cmGray)
	{
		int               def_count = 0;
		def_count += is_arg_defined (in, "mat" ) ? 1 : 0;
		def_count += is_arg_defined (in, "mats") ? 1 : 0;
		def_count += is_arg_defined (in, "matd") ? 1 : 0;
		if (def_count == 1)
		{
			std::string    tmp_mat (get_arg_str (in, out, "mat", ""));
			tmp_mat = get_arg_str (in, out, "mats", tmp_mat);
			tmp_mat = get_arg_str (in, out, "matd", tmp_mat);

			fmtcl::ColorSpaceH265   tmp_csp =
				find_cs_from_mat_str (*this, tmp_mat, false);

			fmt_dst_ptr = find_dst_col_fam (tmp_csp, fmt_dst_ptr, fmt_src, core);
		}
	}

	// Output format is validated.
	_vi_out.format = fmt_dst_ptr;
	const ::VSFormat &fmt_dst = *fmt_dst_ptr;

	const int      nbr_expected_coef = NBR_PLANES * (NBR_PLANES + 1);

	bool           mat_init_flag = false;

	// Matrix presets
	std::string    mat (get_arg_str (in, out, "mat", ""));
	std::string    mats ((   fmt_src.colorFamily == ::cmYUV ) ? mat : "");
	std::string    matd ((   fmt_dst.colorFamily == ::cmYUV
	                      || fmt_dst.colorFamily == ::cmGray) ? mat : "");
	mats = get_arg_str (in, out, "mats", mats);
	matd = get_arg_str (in, out, "matd", matd);
	if (! mats.empty () || ! matd.empty ())
	{
		fstb::conv_to_lower_case (mats);
		fstb::conv_to_lower_case (matd);
		select_def_mat (mats, fmt_src);
		select_def_mat (matd, fmt_dst);

		fmtcl::Mat4    m2s;
		fmtcl::Mat4    m2d;
		make_mat_from_str (m2s, mats, true);
		make_mat_from_str (m2d, matd, false);
		_csp_out = find_cs_from_mat_str (*this, matd, false);

		_mat_main = m2d * m2s;

		mat_init_flag = true;
	}

	// Range
	_full_range_src_flag = (get_arg_int (
		in, out, "fulls" ,
		vsutl::is_full_range_default (fmt_src) ? 1 : 0,
		0, &_range_set_src_flag
	) != 0);
	_full_range_dst_flag = (get_arg_int (
		in, out, "fulld",
		vsutl::is_full_range_default (fmt_dst) ? 1 : 0,
		0, &_range_set_dst_flag
	) != 0);

	// Custom coefficients
	const int      nbr_coef = _vsapi.propNumElements (&in, "coef");
	const bool     custom_mat_flag = (nbr_coef > 0);
	if (custom_mat_flag)
	{
		if (nbr_coef != nbr_expected_coef)
		{
			throw_inval_arg ("coef has a wrong number of elements.");
		}

		for (int y = 0; y < NBR_PLANES + 1; ++y)
		{
			for (int x = 0; x < NBR_PLANES + 1; ++x)
			{
				_mat_main [y] [x] = (x == y) ? 1 : 0;

				if (   (x < fmt_src.numPlanes || x == NBR_PLANES)
				    &&  y < fmt_dst.numPlanes)
				{
					int            err = 0;
					const int      index = y * (fmt_src.numPlanes + 1) + x;
					const double   c = _vsapi.propGetFloat (&in, "coef", index, &err);
					if (err != 0)
					{
						throw_rt_err ("error while reading the matrix coefficients.");
					}
					_mat_main [y] [x] = c;
				}
			}
		}

		mat_init_flag = true;
	}

	if (! mat_init_flag)
	{
		throw_inval_arg (
			"you must specify a matrix preset or a custom coefficient list."
		);
	}

	prepare_coef (fmt_dst, fmt_src);

	if (_vsapi.getError (&out) != 0)
	{
		throw -1;
	}
}