Put Time types in dcpomatic namespace.
[dcpomatic.git] / src / lib / util.cc
index 4574757e0ae13e522f611aa7ee6870e594b53c42..1f6fba96302b4f9b3dc8943374860221fcc7b1cf 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -41,6 +41,9 @@
 #include "string_text.h"
 #include "font.h"
 #include "render_text.h"
+#include "ffmpeg_image_proxy.h"
+#include "image.h"
+#include "text_decoder.h"
 #include <dcp/locale_convert.h>
 #include <dcp/util.h>
 #include <dcp/raw_convert.h>
@@ -59,6 +62,7 @@ extern "C" {
 #include <boost/range/algorithm/replace_if.hpp>
 #include <boost/thread.hpp>
 #include <boost/filesystem.hpp>
+#include <boost/locale.hpp>
 #ifdef DCPOMATIC_WINDOWS
 #include <boost/locale.hpp>
 #include <dbghelp.h>
@@ -77,6 +81,7 @@ extern "C" {
 #include "i18n.h"
 
 using std::string;
+using std::wstring;
 using std::setfill;
 using std::ostream;
 using std::endl;
@@ -101,6 +106,7 @@ using boost::scoped_array;
 using dcp::Size;
 using dcp::raw_convert;
 using dcp::locale_convert;
+using namespace dcpomatic;
 
 /** Path to our executable, required by the stacktrace stuff and filled
  *  in during App::onInit().
@@ -364,7 +370,17 @@ dcpomatic_setup ()
 #ifdef DCPOMATIC_WINDOWS
        putenv ("PANGOCAIRO_BACKEND=fontconfig");
        putenv (String::compose("FONTCONFIG_PATH=%1", shared_path().string()).c_str());
+#endif
+
+#ifdef DCPOMATIC_OSX
+       setenv ("PANGOCAIRO_BACKEND", "fontconfig", 1);
+       setenv ("FONTCONFIG_PATH", shared_path().string().c_str(), 1);
+#endif
+
+       Pango::init ();
+       dcp::init ();
 
+#if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX)
        /* Render something to fontconfig to create its cache */
        list<StringText> subs;
        dcp::SubtitleString ss(
@@ -375,9 +391,6 @@ dcpomatic_setup ()
        render_text (subs, list<shared_ptr<Font> >(), dcp::Size(640, 480), DCPTime(), 24);
 #endif
 
-       Pango::init ();
-       dcp::init ();
-
        Ratio::setup_ratios ();
        PresetColourConversion::setup_colour_conversion_presets ();
        VideoContentScale::setup_scales ();
@@ -719,7 +732,7 @@ relaxed_string_to_float (string s)
        try {
                boost::algorithm::replace_all (s, ",", ".");
                return lexical_cast<float> (s);
-       } catch (bad_lexical_cast) {
+       } catch (bad_lexical_cast &) {
                boost::algorithm::replace_all (s, ".", ",");
                return lexical_cast<float> (s);
        }
@@ -733,15 +746,34 @@ careful_string_filter (string s)
           Safety first and all that.
        */
 
+       wstring ws = boost::locale::conv::utf_to_utf<wchar_t>(s);
+
        string out;
        string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+";
-       for (size_t i = 0; i < s.size(); ++i) {
-               if (allowed.find (s[i]) != string::npos) {
-                       out += s[i];
+       for (size_t i = 0; i < ws.size(); ++i) {
+
+               wchar_t c = ws[i];
+
+               /* Remove some accents */
+               if (wstring(L"áàâ").find(c) != string::npos) {
+                       c = 'a';
+               }
+               if (wstring(L"éèêë").find(c) != string::npos) {
+                       c = 'e';
+               }
+               if (wstring(L"ö").find(c) != string::npos) {
+                       c = 'o';
+               }
+               if (wstring(L"ü").find(c) != string::npos) {
+                       c = 'u';
+               }
+
+               if (allowed.find(c) != string::npos) {
+                       out += c;
                }
        }
 
-       return out;
+       return boost::locale::conv::utf_to_utf<char>(out);
 }
 
 /** @param mapped List of mapped audio channels from a Film.
@@ -874,6 +906,45 @@ day_of_week_to_string (boost::gregorian::greg_weekday d)
        return d.as_long_string ();
 }
 
+/** @param size Size of picture that the subtitle will be overlaid onto */
+void
+emit_subtitle_image (ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, shared_ptr<TextDecoder> decoder)
+{
+       /* XXX: this is rather inefficient; decoding the image just to get its size */
+       FFmpegImageProxy proxy (sub.png_image());
+       shared_ptr<Image> image = proxy.image().first;
+       /* set up rect with height and width */
+       dcpomatic::Rect<double> rect(0, 0, image->size().width / double(size.width), image->size().height / double(size.height));
+
+       /* add in position */
+
+       switch (sub.h_align()) {
+       case dcp::HALIGN_LEFT:
+               rect.x += sub.h_position();
+               break;
+       case dcp::HALIGN_CENTER:
+               rect.x += 0.5 + sub.h_position() - rect.width / 2;
+               break;
+       case dcp::HALIGN_RIGHT:
+               rect.x += 1 - sub.h_position() - rect.width;
+               break;
+       }
+
+       switch (sub.v_align()) {
+       case dcp::VALIGN_TOP:
+               rect.y += sub.v_position();
+               break;
+       case dcp::VALIGN_CENTER:
+               rect.y += 0.5 + sub.v_position() - rect.height / 2;
+               break;
+       case dcp::VALIGN_BOTTOM:
+               rect.y += 1 - sub.v_position() - rect.height;
+               break;
+       }
+
+       decoder->emit_bitmap (period, image, rect);
+}
+
 #ifdef DCPOMATIC_VARIANT_SWAROOP
 
 /* Make up a key from the machine UUID */