X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Futil.cc;h=c2089146431614bda8957b4b26e74434653f6414;hb=137b2b1b440b5594b4d371c10884acd0a90df6bf;hp=7472047e87b206003cfd367a3fdfc6ae2e1a2bfc;hpb=6b4ab3e7e631fe4b790ab63abecce765df2897db;p=dcpomatic.git

diff --git a/src/lib/util.cc b/src/lib/util.cc
index 7472047e8..c20891464 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -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.
 
@@ -38,6 +38,12 @@
 #include "crypto.h"
 #include "compose.hpp"
 #include "audio_buffers.h"
+#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>
@@ -56,6 +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>
@@ -74,6 +81,7 @@ extern "C" {
 #include "i18n.h"
 
 using std::string;
+using std::wstring;
 using std::setfill;
 using std::ostream;
 using std::endl;
@@ -358,9 +366,30 @@ dcpomatic_setup ()
 
 	set_terminate (terminate);
 
+#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 ();
 
+#ifdef DCPOMATIC_WINDOWS
+	/* Render something to fontconfig to create its cache */
+	list<StringText> subs;
+	dcp::SubtitleString ss(
+		optional<string>(), false, false, false, dcp::Colour(), 42, 1, dcp::Time(), dcp::Time(), 0, dcp::HALIGN_CENTER, 0, dcp::VALIGN_CENTER, dcp::DIRECTION_LTR,
+		"Hello dolly", dcp::NONE, dcp::Colour(), dcp::Time(), dcp::Time()
+		);
+	subs.push_back (StringText(ss, 0));
+	render_text (subs, list<shared_ptr<Font> >(), dcp::Size(640, 480), DCPTime(), 24);
+#endif
+
 	Ratio::setup_ratios ();
 	PresetColourConversion::setup_colour_conversion_presets ();
 	VideoContentScale::setup_scales ();
@@ -702,7 +731,7 @@ 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);
 	}
@@ -716,15 +745,34 @@ 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.
@@ -815,6 +863,87 @@ checked_fread (void* ptr, size_t size, FILE* stream, boost::filesystem::path pat
 	}
 }
 
+size_t
+utf8_strlen (string s)
+{
+	size_t const len = s.length ();
+	int N = 0;
+	for (size_t i = 0; i < len; ++i) {
+		unsigned char c = s[i];
+		if ((c & 0xe0) == 0xc0) {
+			++i;
+		} else if ((c & 0xf0) == 0xe0) {
+			i += 2;
+		} else if ((c & 0xf8) == 0xf0) {
+			i += 3;
+		}
+		++N;
+	}
+	return N;
+}
+
+string
+day_of_week_to_string (boost::gregorian::greg_weekday d)
+{
+	switch (d.as_enum()) {
+	case boost::date_time::Sunday:
+		return _("Sunday");
+	case boost::date_time::Monday:
+		return _("Monday");
+	case boost::date_time::Tuesday:
+		return _("Tuesday");
+	case boost::date_time::Wednesday:
+		return _("Wednesday");
+	case boost::date_time::Thursday:
+		return _("Thursday");
+	case boost::date_time::Friday:
+		return _("Friday");
+	case boost::date_time::Saturday:
+		return _("Saturday");
+	}
+
+	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 */