-#include <vector>
-#include <cstdio>
-#include <boost/lexical_cast.hpp>
-#include <boost/algorithm/string.hpp>
+/*
+ Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp 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.
+
+ libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+#include "raw_convert.h"
#include "types.h"
#include "exceptions.h"
+#include "compose.hpp"
+#include "dcp_assert.h"
+#include <boost/algorithm/string.hpp>
+#include <vector>
+#include <cstdio>
+#include <iomanip>
using namespace std;
-using namespace libdcp;
+using namespace dcp;
using namespace boost;
+bool dcp::operator== (dcp::Size const & a, dcp::Size const & b)
+{
+ return (a.width == b.width && a.height == b.height);
+}
+
+bool dcp::operator!= (dcp::Size const & a, dcp::Size const & b)
+{
+ return !(a == b);
+}
+
+ostream& dcp::operator<< (ostream& s, dcp::Size const & a)
+{
+ s << a.width << "x" << a.height;
+ return s;
+}
+
+/** 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]);
}
-Color::Color ()
+string
+Fraction::as_string () const
+{
+ return String::compose ("%1 %2", numerator, denominator);
+}
+
+bool
+dcp::operator== (Fraction const & a, Fraction const & b)
+{
+ return (a.numerator == b.numerator && a.denominator == b.denominator);
+}
+
+bool
+dcp::operator!= (Fraction const & a, Fraction const & b)
+{
+ return (a.numerator != b.numerator || a.denominator != b.denominator);
+}
+
+ostream&
+dcp::operator<< (ostream& s, Fraction const & f)
+{
+ s << f.numerator << "/" << f.denominator;
+ return s;
+}
+
+/** 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
+{
+ char buffer[9];
+ snprintf (buffer, sizeof(buffer), "FF%02X%02X%02X", r, g, b);
+ return buffer;
+}
+
+/** @return An RGB string of the form RRGGBB, where e.g. RR is a two-character
+ * hex value.
+ */
+string
+Colour::to_rgb_string () const
+{
+ char buffer[7];
+ snprintf (buffer, sizeof(buffer), "%02X%02X%02X", r, g, b);
+ return buffer;
+}
+/** 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::halign_to_string (HAlign h)
+{
+ switch (h) {
+ case HALIGN_LEFT:
+ return "left";
+ case HALIGN_CENTER:
+ return "center";
+ case HALIGN_RIGHT:
+ return "right";
+ }
+
+ boost::throw_exception (MiscError ("unknown subtitle halign type"));
+}
+
+HAlign
+dcp::string_to_halign (string s)
+{
+ if (s == "left") {
+ return HALIGN_LEFT;
+ } else if (s == "center") {
+ return HALIGN_CENTER;
+ } else if (s == "right") {
+ return HALIGN_RIGHT;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle halign type"));
+}
+
+string
+dcp::valign_to_string (VAlign v)
+{
+ switch (v) {
+ case VALIGN_TOP:
+ return "top";
+ case VALIGN_CENTER:
+ return "center";
+ case VALIGN_BOTTOM:
+ return "bottom";
+ }
+
+ boost::throw_exception (MiscError ("unknown subtitle valign type"));
+}
+
+VAlign
+dcp::string_to_valign (string s)
+{
+ if (s == "top") {
+ return VALIGN_TOP;
+ } else if (s == "center") {
+ return VALIGN_CENTER;
+ } else if (s == "bottom") {
+ return VALIGN_BOTTOM;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle valign type"));
+}
+
+string
+dcp::direction_to_string (Direction v)
+{
+ switch (v) {
+ case DIRECTION_LTR:
+ return "ltr";
+ case DIRECTION_RTL:
+ return "rtl";
+ case DIRECTION_TTB:
+ return "ttb";
+ case DIRECTION_BTT:
+ return "btt";
+ }
+
+ boost::throw_exception (MiscError ("unknown subtitle direction type"));
+}
+
+Direction
+dcp::string_to_direction (string s)
+{
+ if (s == "ltr" || s == "horizontal") {
+ return DIRECTION_LTR;
+ } else if (s == "rtl") {
+ return DIRECTION_RTL;
+ } else if (s == "ttb" || s == "vertical") {
+ return DIRECTION_TTB;
+ } else if (s == "btt") {
+ return DIRECTION_BTT;
+ }
+
+ boost::throw_exception (DCPReadError ("unknown subtitle direction type"));
+}
+
+/** Convert a content kind to a string which can be used in a
+ * <ContentKind> node.
+ * @param kind ContentKind.
+ * @return string.
+ */
+string
+dcp::content_kind_to_string (ContentKind kind)
+{
+ switch (kind) {
+ case FEATURE:
+ return "feature";
+ case SHORT:
+ return "short";
+ case TRAILER:
+ return "trailer";
+ case TEST:
+ return "test";
+ case TRANSITIONAL:
+ return "transitional";
+ case RATING:
+ return "rating";
+ case TEASER:
+ return "teaser";
+ case POLICY:
+ return "policy";
+ case PUBLIC_SERVICE_ANNOUNCEMENT:
+ return "psa";
+ case ADVERTISEMENT:
+ return "advertisement";
+ case EPISODE:
+ return "episode";
+ case PROMO:
+ return "promo";
+ }
+
+ DCP_ASSERT (false);
+}
+
+/** Convert a string from a <ContentKind> node to a libdcp ContentKind.
+ * Reasonably tolerant about varying case.
+ * @param kind Content kind string.
+ * @return libdcp ContentKind.
+ */
+dcp::ContentKind
+dcp::content_kind_from_string (string kind)
+{
+ transform (kind.begin(), kind.end(), kind.begin(), ::tolower);
+
+ if (kind == "feature") {
+ return FEATURE;
+ } else if (kind == "short") {
+ return SHORT;
+ } else if (kind == "trailer") {
+ return TRAILER;
+ } else if (kind == "test") {
+ return TEST;
+ } else if (kind == "transitional") {
+ return TRANSITIONAL;
+ } else if (kind == "rating") {
+ return RATING;
+ } else if (kind == "teaser") {
+ return TEASER;
+ } else if (kind == "policy") {
+ return POLICY;
+ } else if (kind == "psa") {
+ return PUBLIC_SERVICE_ANNOUNCEMENT;
+ } else if (kind == "advertisement") {
+ return ADVERTISEMENT;
+ } else if (kind == "episode") {
+ return EPISODE;
+ } else if (kind == "promo") {
+ return PROMO;
+ }
+
+ throw BadContentKindError (kind);
+}