-#include <vector>
-#include <cstdio>
-#include <boost/lexical_cast.hpp>
-#include <boost/algorithm/string.hpp>
+/*
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "raw_convert.h"
#include "types.h"
#include "exceptions.h"
+#include <boost/algorithm/string.hpp>
+#include <vector>
+#include <cstdio>
+#include <iomanip>
using namespace std;
-using namespace libdcp;
+using namespace dcp;
using namespace boost;
+/** Construct a Fraction from a string of the form <numerator> <denominator>
+ * e.g. "1 3".
+ */
Fraction::Fraction (string s)
{
vector<string> b;
split (b, s, is_any_of (" "));
if (b.size() != 2) {
- throw XMLError ("malformed fraction " + s + " in XML node");
+ boost::throw_exception (XMLError ("malformed fraction " + s + " in XML node"));
}
- numerator = lexical_cast<int> (b[0]);
- denominator = lexical_cast<int> (b[1]);
+ numerator = raw_convert<int> (b[0]);
+ denominator = raw_convert<int> (b[1]);
}
bool
-libdcp::operator== (Fraction const & a, Fraction const & b)
+dcp::operator== (Fraction const & a, Fraction const & b)
{
return (a.numerator == b.numerator && a.denominator == b.denominator);
}
bool
-libdcp::operator!= (Fraction const & a, Fraction const & b)
+dcp::operator!= (Fraction const & a, Fraction const & b)
{
return (a.numerator != b.numerator || a.denominator != b.denominator);
}
-Color::Color ()
+/** Construct a Colour, initialising it to black. */
+Colour::Colour ()
: r (0)
, g (0)
, b (0)
}
-Color::Color (int r_, int g_, int b_)
+/** Construct a Colour from R, G and B. The values run between
+ * 0 and 255.
+ */
+Colour::Colour (int r_, int g_, int b_)
: r (r_)
, g (g_)
, b (b_)
}
-Color::Color (string argb_hex)
+/** Construct a Colour from an ARGB hex string; the alpha value is ignored.
+ * @param argb_hex A string of the form AARRGGBB, where e.g. RR is a two-character
+ * hex value.
+ */
+Colour::Colour (string argb_hex)
{
int alpha;
- if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &r, &g, &b) < 4) {
- throw XMLError ("could not parse colour string");
+ if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &r, &g, &b) != 4) {
+ boost::throw_exception (XMLError ("could not parse colour string"));
}
}
+/** @return An ARGB string of the form AARRGGBB, where e.g. RR is a two-character
+ * hex value. The alpha value will always be FF (ie 255; maximum alpha).
+ */
+string
+Colour::to_argb_string () const
+{
+ stringstream s;
+ s << "FF";
+ s << hex
+ << setw(2) << setfill('0') << r
+ << setw(2) << setfill('0') << g
+ << setw(2) << setfill('0') << b;
+ string t = s.str();
+ to_upper (t);
+ return t;
+}
+
+/** operator== for Colours.
+ * @param a First colour to compare.
+ * @param b Second colour to compare.
+ */
bool
-libdcp::operator== (Color const & a, Color const & b)
+dcp::operator== (Colour const & a, Colour const & b)
{
return (a.r == b.r && a.g == b.g && a.b == b.b);
}
+/** operator!= for Colours.
+ * @param a First colour to compare.
+ * @param b Second colour to compare.
+ */
+bool
+dcp::operator!= (Colour const & a, Colour const & b)
+{
+ return !(a == b);
+}
+
ostream &
-libdcp::operator<< (ostream& s, Color const & c)
+dcp::operator<< (ostream& s, Colour const & c)
{
s << "(" << c.r << ", " << c.g << ", " << c.b << ")";
return s;
}
+
+string
+dcp::effect_to_string (Effect e)
+{
+ switch (e) {
+ case NONE:
+ return "none";
+ case BORDER:
+ return "border";
+ case SHADOW:
+ return "shadow";
+ }
+
+ boost::throw_exception (MiscError ("unknown effect type"));
+}
+
+Effect
+dcp::string_to_effect (string s)
+{
+ if (s == "none") {
+ return NONE;
+ } else if (s == "border") {
+ return BORDER;
+ } else if (s == "shadow") {
+ return SHADOW;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle effect type"));
+}
+
+string
+dcp::valign_to_string (VAlign v)
+{
+ switch (v) {
+ case TOP:
+ return "top";
+ case CENTER:
+ return "center";
+ case BOTTOM:
+ return "bottom";
+ }
+
+ boost::throw_exception (MiscError ("unknown valign type"));
+}
+
+VAlign
+dcp::string_to_valign (string s)
+{
+ if (s == "top") {
+ return TOP;
+ } else if (s == "center") {
+ return CENTER;
+ } else if (s == "bottom") {
+ return BOTTOM;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle valign type"));
+}
+
+
projects / libdcp.git / blobdiff