コード例 #1
0
static fz_error *
loadcalgray(fz_colorspace **csp, pdf_xref *xref, fz_obj *dict)
{
	fz_error *error;
	struct calgray *cs;
	fz_obj *tmp;

	error = pdf_resolve(&dict, xref);
	if (error)
		return error;

	cs = fz_malloc(sizeof(struct calgray));
	if (!cs)
		return fz_outofmem;

	pdf_logrsrc("load CalGray\n");

	initcs((fz_colorspace*)cs, "CalGray", 1, graytoxyz, xyztogray, nil);

	cs->white[0] = 1.0;
	cs->white[1] = 1.0;
	cs->white[2] = 1.0;

	cs->black[0] = 0.0;
	cs->black[1] = 0.0;
	cs->black[2] = 0.0;

	cs->gamma = 1.0;

	tmp = fz_dictgets(dict, "WhitePoint");
	if (fz_isarray(tmp))
	{
		cs->white[0] = fz_toreal(fz_arrayget(tmp, 0));
		cs->white[1] = fz_toreal(fz_arrayget(tmp, 1));
		cs->white[2] = fz_toreal(fz_arrayget(tmp, 2));
	}

	tmp = fz_dictgets(dict, "BlackPoint");
	if (fz_isarray(tmp))
	{
		cs->black[0] = fz_toreal(fz_arrayget(tmp, 0));
		cs->black[1] = fz_toreal(fz_arrayget(tmp, 1));
		cs->black[2] = fz_toreal(fz_arrayget(tmp, 2));
	}

	tmp = fz_dictgets(dict, "Gamma");
	if (fz_isreal(tmp))
		cs->gamma = fz_toreal(tmp);

	fz_dropobj(dict);

	*csp = (fz_colorspace*) cs;
	return nil;
}
コード例 #2
0
ファイル: pdf_colorspace.c プロジェクト: fkhan/mupdf_fareed
static fz_colorspace *
loadcalgray(pdf_xref *xref, fz_obj *dict)
{
	struct calgray *cs;
	fz_obj *tmp;

	cs = fz_malloc(sizeof(struct calgray));

	pdf_logrsrc("load CalGray\n");

	initcs((fz_colorspace*)cs, "CalGray", 1, graytoxyz, xyztogray, nil);

	cs->white[0] = 1.0;
	cs->white[1] = 1.0;
	cs->white[2] = 1.0;

	cs->black[0] = 0.0;
	cs->black[1] = 0.0;
	cs->black[2] = 0.0;

	cs->gamma = 1.0;

	tmp = fz_dictgets(dict, "WhitePoint");
	if (fz_isarray(tmp))
	{
		cs->white[0] = fz_toreal(fz_arrayget(tmp, 0));
		cs->white[1] = fz_toreal(fz_arrayget(tmp, 1));
		cs->white[2] = fz_toreal(fz_arrayget(tmp, 2));
	}

	tmp = fz_dictgets(dict, "BlackPoint");
	if (fz_isarray(tmp))
	{
		cs->black[0] = fz_toreal(fz_arrayget(tmp, 0));
		cs->black[1] = fz_toreal(fz_arrayget(tmp, 1));
		cs->black[2] = fz_toreal(fz_arrayget(tmp, 2));
	}

	tmp = fz_dictgets(dict, "Gamma");
	if (fz_isreal(tmp))
		cs->gamma = fz_toreal(tmp);

	return (fz_colorspace*) cs;
}