X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Ftool%2Fmain.cpp;h=fbf64b05caa3b4b9d660fb49bf87e3b5ddc6cbfb;hb=9459638ad6797b8139f1e9f0715c96076dbf0890;hp=14f6b74dea1370234ff3a5443e0e6510551ddb06;hpb=c3ad95144d148602f672e95ddda1f18fc35502f8;p=synfig.git

diff --git a/synfig-core/trunk/src/tool/main.cpp b/synfig-core/trunk/src/tool/main.cpp
index 14f6b74..fbf64b0 100644
--- a/synfig-core/trunk/src/tool/main.cpp
+++ b/synfig-core/trunk/src/tool/main.cpp
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2007, 2008 Chris Moore
 **
 **	This package is free software; you can redistribute it and/or
 **	modify it under the terms of the GNU General Public License as
@@ -34,6 +35,7 @@
 #include <list>
 #include <ETL/clock>
 #include <algorithm>
+#include <cstring>
 
 #include <synfig/loadcanvas.h>
 #include <synfig/savecanvas.h>
@@ -48,6 +50,7 @@
 #include <synfig/paramdesc.h>
 #include <synfig/main.h>
 #include <synfig/guid.h>
+#include <autorevision.h>
 #endif
 
 using namespace std;
@@ -56,18 +59,26 @@ using namespace synfig;
 
 /* === M A C R O S ========================================================= */
 
+#ifdef ENABLE_NLS
+#undef _
+#define _(x) gettext(x)
+#else
+#undef _
+#define _(x) (x)
+#endif
+
 enum exit_code
 {
-	SYNFIGTOOL_OK				=0,
-	SYNFIGTOOL_FILENOTFOUND		=1,
-	SYNFIGTOOL_BORRED			=2,
-	SYNFIGTOOL_HELP				=3,
-	SYNFIGTOOL_UNKNOWNARGUMENT	=4,
-	SYNFIGTOOL_UNKNOWNERROR		=5,
-	SYNFIGTOOL_INVALIDTARGET		=6,
-	SYNFIGTOOL_RENDERFAILURE		=7,
-	SYNFIGTOOL_BLANK				=8,
-	SYNFIGTOOL_BADVERSION		=9,
+	SYNFIGTOOL_OK				= 0,
+	SYNFIGTOOL_FILENOTFOUND		= 1,
+	SYNFIGTOOL_BORED			= 2,
+	SYNFIGTOOL_HELP				= 3,
+	SYNFIGTOOL_UNKNOWNARGUMENT	= 4,
+	SYNFIGTOOL_UNKNOWNERROR		= 5,
+	SYNFIGTOOL_INVALIDTARGET	= 6,
+	SYNFIGTOOL_RENDERFAILURE	= 7,
+	SYNFIGTOOL_BLANK			= 8,
+	SYNFIGTOOL_BADVERSION		= 9,
 	SYNFIGTOOL_MISSINGARGUMENT	=10
 };
 
@@ -248,6 +259,19 @@ struct Job
 
 	int quality;
 	bool sifout;
+	bool list_canvases;
+
+	bool canvas_info, canvas_info_all, canvas_info_time_start, canvas_info_time_end, canvas_info_frame_rate,
+		 canvas_info_frame_start, canvas_info_frame_end, canvas_info_w, canvas_info_h, canvas_info_image_aspect,
+		 canvas_info_pw, canvas_info_ph, canvas_info_pixel_aspect, canvas_info_tl, canvas_info_br,
+		 canvas_info_physical_w, canvas_info_physical_h, canvas_info_x_res, canvas_info_y_res, canvas_info_span,
+		 canvas_info_interlaced, canvas_info_antialias, canvas_info_clamp, canvas_info_flags, canvas_info_focus,
+		 canvas_info_bg_color, canvas_info_metadata;
+
+	Job()
+	{
+		canvas_info = canvas_info_all = canvas_info_time_start = canvas_info_time_end = canvas_info_frame_rate = canvas_info_frame_start = canvas_info_frame_end = canvas_info_w = canvas_info_h = canvas_info_image_aspect = canvas_info_pw = canvas_info_ph = canvas_info_pixel_aspect = canvas_info_tl = canvas_info_br = canvas_info_physical_w = canvas_info_physical_h = canvas_info_x_res = canvas_info_y_res = canvas_info_span = canvas_info_interlaced = canvas_info_antialias = canvas_info_clamp = canvas_info_flags = canvas_info_focus = canvas_info_bg_color = canvas_info_metadata = false;
+	};
 };
 
 typedef list<String> arg_list_t;
@@ -257,9 +281,7 @@ void guid_test()
 {
 	cout<<"GUID Test"<<endl;
 	for(int i=20;i;i--)
-	{
 		cout<<synfig::GUID().get_string()<<' '<<synfig::GUID().get_string()<<endl;
-	}
 }
 
 void signal_test_func()
@@ -283,66 +305,66 @@ void signal_test()
 
 /* === P R O C E D U R E S ================================================= */
 
-void display_help(int amount)
+void display_help_option(const char *flag, const char *arg, string description)
 {
-	class Argument
-	{
-	public:
-		Argument(const char *flag,const char *arg, string description)
-		{
-			const char spaces[]="                      ";
-			if(arg)
-				cerr<<strprintf(" %s %s %s",flag, arg, spaces+strlen(arg)+strlen(flag)+1)+description<<endl;
-			else
-				cerr<<strprintf(" %s %s",flag,spaces+strlen(flag))+description<<endl;
+	const char spaces[]="                      ";
+	if(arg)
+		cerr << strprintf(" %s %s %s", flag, arg, spaces+strlen(arg)+strlen(flag)+1)+description << endl;
+	else
+		cerr << strprintf(" %s %s", flag, spaces+strlen(flag))+description << endl;
+}
 
-		}
-	};
-	cerr<<_("syntax: ")<<progname<<" [DEFAULT OPTIONS] ([SIF FILE] [SPECIFIC OPTIONS])..."<<endl;
-	cerr<<endl;
-	if(amount>=1)
+void display_help(bool full)
+{
+	cerr << endl << _("syntax: ") << progname << " [DEFAULT OPTIONS] ([SIF FILE] [SPECIFIC OPTIONS])..." << endl << endl;
+
+	if(full)
 	{
-		Argument("-t","<output type>",_("Specify output target (Default:unknown)"));
-		Argument("-w","<pixel width>",_("Set the image width (Use zero for file default)"));
-		Argument("-h","<pixel height>",_("Set the image height (Use zero for file default)"));
-		Argument("-s","<image dist>",_("Set the diagonal size of image window (Span)"));
-		Argument("-a","<1...30>",_("Set antialias amount for parametric renderer."));
-		Argument("-Q","<0...10>",strprintf(_("Specify image quality for accelerated renderer (default=%d)"),DEFAULT_QUALITY).c_str());
-		Argument("-g","<amount>",_("Gamma (default=2.2)"));
-		Argument("-v",NULL,_("Verbose Output (add more for more verbosity)"));
-		Argument("-q",NULL,_("Quiet mode (No progress/time-remaining display)"));
-		Argument("-c","<canvas id>",_("Render the canvas with the given id instead of the root."));
-		Argument("-o","<output file>",_("Specify output filename"));
-		Argument("-T","<# of threads>",_("Enable multithreaded renderer using specified # of threads"));
-
-		Argument("-b",NULL,_("Print Benchmarks"));
-
-		Argument("--fps","<framerate>",_("Set the frame rate"));
-		Argument("--time","<time>",_("Render a single frame at <seconds>"));
-		Argument("--begin-time","<time>",_("Set the starting time"));
-		Argument("--end-time","<time>",_("Set the ending time"));
-		Argument("--dpi","<res>",_("Set the dots-per-inch"));
-		Argument("--append","<filename>",_("Append layers in <filename> to composition"));
-
-		Argument("--layer-info","<layer>",_("Print out layer's description, parameter info, etc."));
-		Argument("--layers",NULL,_("Print out the list of available layers"));
-		Argument("--targets",NULL,_("Print out the list of available targets"));
-		Argument("--importers",NULL,_("Print out the list of available importers"));
-		Argument("--valuenodes",NULL,_("Print out the list of available ValueNodes"));
-		Argument("--modules",NULL,_("Print out the list of loaded modules"));
-		Argument("--version",NULL,_("Print out version information"));
-		Argument("--info",NULL,_("Print out misc build information"));
-		Argument("--license",NULL,_("Print out license information"));
+		display_help_option("-t", "<output type>", _("Specify output target (Default:unknown)"));
+		display_help_option("-w", "<pixel width>", _("Set the image width (Use zero for file default)"));
+		display_help_option("-h", "<pixel height>", _("Set the image height (Use zero for file default)"));
+		display_help_option("-s", "<image dist>", _("Set the diagonal size of image window (Span)"));
+		display_help_option("-a", "<1...30>", _("Set antialias amount for parametric renderer."));
+		display_help_option("-Q", "<0...10>", strprintf(_("Specify image quality for accelerated renderer (default=%d)"), DEFAULT_QUALITY).c_str());
+		display_help_option("-g", "<amount>", _("Gamma (default=2.2)"));
+		display_help_option("-v", NULL, _("Verbose Output (add more for more verbosity)"));
+		display_help_option("-q", NULL, _("Quiet mode (No progress/time-remaining display)"));
+		display_help_option("-c", "<canvas id>", _("Render the canvas with the given id instead of the root."));
+		display_help_option("-o", "<output file>", _("Specify output filename"));
+		display_help_option("-T", "<# of threads>", _("Enable multithreaded renderer using specified # of threads"));
+		display_help_option("-b", NULL, _("Print Benchmarks"));
+		display_help_option("--fps", "<framerate>", _("Set the frame rate"));
+		display_help_option("--time", "<time>", _("Render a single frame at <seconds>"));
+		display_help_option("--begin-time", "<time>", _("Set the starting time"));
+		display_help_option("--start-time", "<time>", _("Set the starting time"));
+		display_help_option("--end-time", "<time>", _("Set the ending time"));
+		display_help_option("--dpi", "<res>", _("Set the physical resolution (dots-per-inch)"));
+		display_help_option("--dpi-x", "<res>", _("Set the physical X resolution (dots-per-inch)"));
+		display_help_option("--dpi-y", "<res>", _("Set the physical Y resolution (dots-per-inch)"));
+
+		display_help_option("--list-canvases", NULL, _("List the exported canvases in the composition"));
+		display_help_option("--canvas-info", "<fields>", _("Print out specified details of the root canvas"));
+		display_help_option("--append", "<filename>", _("Append layers in <filename> to composition"));
+
+		display_help_option("--layer-info", "<layer>", _("Print out layer's description, parameter info, etc."));
+		display_help_option("--layers", NULL, _("Print out the list of available layers"));
+		display_help_option("--targets", NULL, _("Print out the list of available targets"));
+		display_help_option("--importers", NULL, _("Print out the list of available importers"));
+		display_help_option("--valuenodes", NULL, _("Print out the list of available ValueNodes"));
+		display_help_option("--modules", NULL, _("Print out the list of loaded modules"));
+		display_help_option("--version", NULL, _("Print out version information"));
+		display_help_option("--info", NULL, _("Print out misc build information"));
+		display_help_option("--license", NULL, _("Print out license information"));
 
 #ifdef _DEBUG
-		Argument("--guid-test",NULL,_("Test GUID generation"));
-		Argument("--signal-test",NULL,_("Test signal implementation"));
+		display_help_option("--guid-test", NULL, _("Test GUID generation"));
+		display_help_option("--signal-test", NULL, _("Test signal implementation"));
 #endif
 	}
 	else
+		display_help_option("--help", NULL, _("Print out usage and syntax info"));
 
-	Argument("--help",NULL,_("Print out usage and syntax info"));
-	cerr<<endl;
+	cerr << endl;
 }
 
 int process_global_flags(arg_list_t &arg_list)
@@ -366,18 +388,19 @@ int process_global_flags(arg_list_t &arg_list)
 			return SYNFIGTOOL_HELP;
 		}
 
-
 		if(*iter == "--help")
 		{
-			display_help(1);
-
+			display_help(true);
 			return SYNFIGTOOL_HELP;
 		}
 
 		if(*iter == "--info")
 		{
 			cout<<PACKAGE"-"VERSION<<endl;
-			cout<<"Compiled on "__DATE__ " at "__TIME__;
+			#ifdef DEVEL_VERSION
+				cout<<endl<<DEVEL_VERSION<<endl<<endl;
+			#endif
+			cout<<"Compiled on "__DATE__ /* " at "__TIME__ */;
 #ifdef __GNUC__
 			cout<<" with GCC "<<__VERSION__;
 #endif
@@ -387,7 +410,6 @@ int process_global_flags(arg_list_t &arg_list)
 #ifdef __TCPLUSPLUS__
 			cout<<" with Borland Turbo C++ "<<(__TCPLUSPLUS__>>8)<<'.'<<((__TCPLUSPLUS__&255)>>4)<<'.'<<(__TCPLUSPLUS__&15);
 #endif
-
 			cout<<endl<<SYNFIG_COPYRIGHT<<endl;
 			cout<<endl;
 			return SYNFIGTOOL_HELP;
@@ -399,7 +421,8 @@ int process_global_flags(arg_list_t &arg_list)
 			synfig::Main synfig_main(dirname(progname),&p);
 			synfig::Layer::Book::iterator iter=synfig::Layer::book().begin();
 			for(;iter!=synfig::Layer::book().end();iter++)
-				cout<<iter->first<<endl;
+				if (iter->second.category != CATEGORY_DO_NOT_USE)
+					cout<<iter->first<<endl;
 
 			return SYNFIGTOOL_HELP;
 		}
@@ -409,6 +432,11 @@ int process_global_flags(arg_list_t &arg_list)
 			Progress p(PACKAGE);
 			synfig::Main synfig_main(dirname(progname),&p);
 			iter=next++;
+			if (iter==arg_list.end())
+			{
+				error("The `%s' flag requires a value.  Use --help for a list of options.", "--layer-info");
+				return SYNFIGTOOL_MISSINGARGUMENT;
+			}
 			Layer::Handle layer=synfig::Layer::create(*iter);
 			cout<<"Layer Name: "<<layer->get_name()<<endl;
 			cout<<"Localized Layer Name: "<<layer->get_local_name()<<endl;
@@ -446,7 +474,6 @@ int process_global_flags(arg_list_t &arg_list)
 			synfig::Target::Book::iterator iter=synfig::Target::book().begin();
 			for(;iter!=synfig::Target::book().end();iter++)
 				cout<<iter->first<<endl;
-
 			return SYNFIGTOOL_HELP;
 		}
 
@@ -457,7 +484,6 @@ int process_global_flags(arg_list_t &arg_list)
 			synfig::LinkableValueNode::Book::iterator iter=synfig::LinkableValueNode::book().begin();
 			for(;iter!=synfig::LinkableValueNode::book().end();iter++)
 				cout<<iter->first<<endl;
-
 			return SYNFIGTOOL_HELP;
 		}
 
@@ -468,16 +494,13 @@ int process_global_flags(arg_list_t &arg_list)
 			synfig::Importer::Book::iterator iter=synfig::Importer::book().begin();
 			for(;iter!=synfig::Importer::book().end();iter++)
 				cout<<iter->first<<endl;
-
 			return SYNFIGTOOL_HELP;
 		}
 
 		if(*iter == "--version")
 		{
 			cerr<<PACKAGE<<" "<<VERSION<<endl;
-
 			arg_list.erase(iter);
-
 			return SYNFIGTOOL_HELP;
 		}
 
@@ -493,33 +516,26 @@ int process_global_flags(arg_list_t &arg_list)
 **\n\
 **	" << endl << endl;
 			arg_list.erase(iter);
-
 			return SYNFIGTOOL_HELP;
 		}
 
 		if(*iter == "-v")
 		{
 			verbosity++;
-
 			arg_list.erase(iter);
-
 			continue;
 		}
 
 		if(*iter == "-q")
 		{
 			be_quiet=true;
-
 			arg_list.erase(iter);
-
 			continue;
 		}
 		if(*iter == "-b")
 		{
 			print_benchmarks=true;
-
 			arg_list.erase(iter);
-
 			continue;
 		}
 	}
@@ -527,6 +543,16 @@ int process_global_flags(arg_list_t &arg_list)
 	return SYNFIGTOOL_OK;
 }
 
+/* true if the given flag takes an extra parameter */
+bool flag_requires_value(String flag)
+{
+	return (flag=="-a"			|| flag=="-c"			|| flag=="-g"			|| flag=="-h"			|| flag=="-o"			||
+			flag=="-Q"			|| flag=="-s"			|| flag=="-t"			|| flag=="-T"			|| flag=="-w"			||
+			flag=="--append"	|| flag=="--begin-time"	|| flag=="--canvas-info"|| flag=="--dpi"		|| flag=="--dpi-x"		||
+			flag=="--dpi-y"		|| flag=="--end-time"	|| flag=="--fps"		|| flag=="--layer-info"	|| flag=="--start-time"	||
+			flag=="--time"		);
+}
+
 int extract_arg_cluster(arg_list_t &arg_list,arg_list_t &cluster)
 {
 	arg_list_t::iterator iter, next;
@@ -539,34 +565,13 @@ int extract_arg_cluster(arg_list_t &arg_list,arg_list_t &cluster)
 			return SYNFIGTOOL_OK;
 		}
 
-		if(
-			*iter=="-t" ||
-			*iter=="-w" ||
-			*iter=="-h" ||
-			*iter=="-a" ||
-			*iter=="-g" ||
-			*iter=="-o" ||
-			*iter=="-s" ||
-			*iter=="-Q" ||
-			*iter=="-c" ||
-			*iter=="--fps" ||
-			*iter=="--start-time" ||
-			*iter=="--begin-time" ||
-			*iter=="--end-time" ||
-			*iter=="--start-frame" ||
-			*iter=="--end-frame" ||
-			*iter=="--time" ||
-			*iter=="--frame" ||
-			*iter=="--dpi" ||
-			*iter=="--dpi-x" ||
-			*iter=="--dpi-y" ||
-			*iter=="--append" ||
-			*iter=="-T" )
+		if (flag_requires_value(*iter))
 		{
 			cluster.push_back(*iter);
 			arg_list.erase(iter);
 			iter=next++;
-			if (iter==arg_list.end()) {
+			if (iter==arg_list.end())
+			{
 				error("The `%s' flag requires a value.  Use --help for a list of options.", cluster.back().c_str());
 				return SYNFIGTOOL_MISSINGARGUMENT;
 			}
@@ -687,25 +692,19 @@ int extract_RendDesc(arg_list_t &arg_list,RendDesc &desc)
 			//desc.set_gamma(Gamma(atof(iter->c_str())));
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
-	if(w&&h)
+	if (w||h)
 	{
+		if (!w)
+			w = desc.get_w() * h / desc.get_h();
+		else if (!h)
+			h = desc.get_h() * w / desc.get_w();
+
 		desc.set_wh(w,h);
 		VERBOSE_OUT(1)<<strprintf(_("Resolution set to %dx%d"),w,h)<<endl;
 	}
-	else
-	{
-		if(w)
-		{
-			VERBOSE_OUT(1)<<strprintf(_("Width set to %d pixels"),w)<<endl;
-			desc.set_w(w);
-		}
-		if(h)
-		{
-			VERBOSE_OUT(1)<<strprintf(_("Height set to %d pixels"),h)<<endl;
-			desc.set_h(h);
-		}
-	}
 	if(span)
 		desc.set_span(span);
 	return SYNFIGTOOL_OK;
@@ -724,6 +723,8 @@ int extract_quality(arg_list_t &arg_list,int &quality)
 			VERBOSE_OUT(1)<<strprintf(_("Quality set to %d"),quality)<<endl;
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return SYNFIGTOOL_OK;
@@ -742,6 +743,8 @@ int extract_threads(arg_list_t &arg_list,int &threads)
 			VERBOSE_OUT(1)<<strprintf(_("Threads set to %d"),threads)<<endl;
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return SYNFIGTOOL_OK;
@@ -761,6 +764,8 @@ int extract_target(arg_list_t &arg_list,string &type)
 			type=*iter;
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return SYNFIGTOOL_OK;
@@ -780,6 +785,8 @@ int extract_append(arg_list_t &arg_list,string &filename)
 			filename=*iter;
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return SYNFIGTOOL_OK;
@@ -801,6 +808,8 @@ int extract_outfile(arg_list_t &arg_list,string &outfile)
 			arg_list.erase(iter);
 			ret=SYNFIGTOOL_OK;
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return ret;
@@ -820,11 +829,287 @@ int extract_canvasid(arg_list_t &arg_list,string &canvasid)
 			canvasid=*iter;
 			arg_list.erase(iter);
 		}
+		else if (flag_requires_value(*iter))
+			iter=next++;
 	}
 
 	return SYNFIGTOOL_OK;
 }
 
+int extract_list_canvases(arg_list_t &arg_list,bool &list_canvases)
+{
+	arg_list_t::iterator iter, next;
+
+	for(next=arg_list.begin(),iter=next++;iter!=arg_list.end();iter=next++)
+		if(*iter=="--list-canvases")
+		{
+			list_canvases = true;
+			arg_list.erase(iter);
+		}
+
+	return SYNFIGTOOL_OK;
+}
+
+void extract_canvas_info(arg_list_t &arg_list, Job &job)
+{
+	arg_list_t::iterator iter, next;
+
+	for(next=arg_list.begin(),iter=next++;iter!=arg_list.end();iter=next++)
+		if(*iter=="--canvas-info")
+		{
+			job.canvas_info = true;
+			arg_list.erase(iter);
+			iter=next++;
+			String values(*iter), value;
+			arg_list.erase(iter);
+
+			std::string::size_type pos;
+			while (!values.empty())
+			{
+				pos = values.find_first_of(',');
+				if (pos == std::string::npos)
+				{
+					value = values;
+					values = "";
+				}
+				else
+				{
+					value = values.substr(0, pos);
+					values = values.substr(pos+1);
+				}
+				if (value == "all")
+				{
+					job.canvas_info_all = true;
+					return;
+				}
+
+				if (value == "time_start")			job.canvas_info_time_start		= true;
+				else if (value == "time_end")		job.canvas_info_time_end		= true;
+				else if (value == "frame_rate")		job.canvas_info_frame_rate		= true;
+				else if (value == "frame_start")	job.canvas_info_frame_start		= true;
+				else if (value == "frame_end")		job.canvas_info_frame_end		= true;
+				else if (value == "w")				job.canvas_info_w				= true;
+				else if (value == "h")				job.canvas_info_h				= true;
+				else if (value == "image_aspect")	job.canvas_info_image_aspect	= true;
+				else if (value == "pw")				job.canvas_info_pw				= true;
+				else if (value == "ph")				job.canvas_info_ph				= true;
+				else if (value == "pixel_aspect")	job.canvas_info_pixel_aspect	= true;
+				else if (value == "tl")				job.canvas_info_tl				= true;
+				else if (value == "br")				job.canvas_info_br				= true;
+				else if (value == "physical_w")		job.canvas_info_physical_w		= true;
+				else if (value == "physical_h")		job.canvas_info_physical_h		= true;
+				else if (value == "x_res")			job.canvas_info_x_res			= true;
+				else if (value == "y_res")			job.canvas_info_y_res			= true;
+				else if (value == "span")			job.canvas_info_span			= true;
+				else if (value == "interlaced")		job.canvas_info_interlaced		= true;
+				else if (value == "antialias")		job.canvas_info_antialias		= true;
+				else if (value == "clamp")			job.canvas_info_clamp			= true;
+				else if (value == "flags")			job.canvas_info_flags			= true;
+				else if (value == "focus")			job.canvas_info_focus			= true;
+				else if (value == "bg_color")		job.canvas_info_bg_color		= true;
+				else if (value == "metadata")		job.canvas_info_metadata		= true;
+				else
+				{
+					cerr<<_("Unrecognised canvas variable: ") << "'" << value << "'" << endl;
+					cerr<<_("Recognized variables are:") << endl <<
+						"  all, time_start, time_end, frame_rate, frame_start, frame_end, w, h," << endl <<
+						"  image_aspect, pw, ph, pixel_aspect, tl, br, physical_w, physical_h," << endl <<
+						"  x_res, y_res, span, interlaced, antialias, clamp, flags," << endl <<
+						"  focus, bg_color, metadata" << endl;
+				}
+
+				if (pos == std::string::npos)
+					break;
+			};
+		}
+}
+
+void list_child_canvases(string prefix, Canvas::Handle canvas)
+{
+	Canvas::Children children(canvas->children());
+	for (Canvas::Children::iterator iter = children.begin(); iter != children.end(); iter++)
+	{
+		cout << prefix << ":" << (*iter)->get_id() << endl;
+		list_child_canvases(prefix + ":" + (*iter)->get_id(), *iter);
+	}
+}
+
+void list_canvas_info(Job job)
+{
+	Canvas::Handle canvas(job.canvas);
+	const RendDesc &rend_desc(canvas->rend_desc());
+
+	if (job.canvas_info_all || job.canvas_info_time_start)
+	{
+		cout << endl << "# " << _("Start Time") << endl;
+		cout << "time_start"	<< "=" << rend_desc.get_time_start().get_string().c_str() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_time_end)
+	{
+		cout << endl << "# " << _("End Time") << endl;
+		cout << "time_end"		<< "=" << rend_desc.get_time_end().get_string().c_str() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_frame_rate)
+	{
+		cout << endl << "# " << _("Frame Rate") << endl;
+		cout << "frame_rate"	<< "=" << rend_desc.get_frame_rate() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_frame_start)
+	{
+		cout << endl << "# " << _("Start Frame") << endl;
+		cout << "frame_start"	<< "=" << rend_desc.get_frame_start() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_frame_end)
+	{
+		cout << endl << "# " << _("End Frame") << endl;
+		cout << "frame_end"		<< "=" << rend_desc.get_frame_end() << endl;
+	}
+
+	if (job.canvas_info_all)
+		cout << endl;
+
+	if (job.canvas_info_all || job.canvas_info_w)
+	{
+		cout << endl << "# " << _("Width") << endl;
+		cout << "w"				<< "=" << rend_desc.get_w() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_h)
+	{
+		cout << endl << "# " << _("Height") << endl;
+		cout << "h"				<< "=" << rend_desc.get_h() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_image_aspect)
+	{
+		cout << endl << "# " << _("Image Aspect Ratio") << endl;
+		cout << "image_aspect"	<< "=" << rend_desc.get_image_aspect() << endl;
+	}
+
+	if (job.canvas_info_all)
+		cout << endl;
+
+	if (job.canvas_info_all || job.canvas_info_pw)
+	{
+		cout << endl << "# " << _("Pixel Width") << endl;
+		cout << "pw"			<< "=" << rend_desc.get_pw() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_ph)
+	{
+		cout << endl << "# " << _("Pixel Height") << endl;
+		cout << "ph"			<< "=" << rend_desc.get_ph() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_pixel_aspect)
+	{
+		cout << endl << "# " << _("Pixel Aspect Ratio") << endl;
+		cout << "pixel_aspect"	<< "=" << rend_desc.get_pixel_aspect() << endl;
+	}
+
+	if (job.canvas_info_all)
+		cout << endl;
+
+	if (job.canvas_info_all || job.canvas_info_tl)
+	{
+		cout << endl << "# " << _("Top Left") << endl;
+		cout << "tl"			<< "=" << rend_desc.get_tl()[0]
+			 << " " << rend_desc.get_tl()[1] << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_br)
+	{
+		cout << endl << "# " << _("Bottom Right") << endl;
+		cout << "br"			<< "=" << rend_desc.get_br()[0]
+			 << " " << rend_desc.get_br()[1] << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_physical_w)
+	{
+		cout << endl << "# " << _("Physical Width") << endl;
+		cout << "physical_w"	<< "=" << rend_desc.get_physical_w() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_physical_h)
+	{
+		cout << endl << "# " << _("Physical Height") << endl;
+		cout << "physical_h"	<< "=" << rend_desc.get_physical_h() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_x_res)
+	{
+		cout << endl << "# " << _("X Resolution") << endl;
+		cout << "x_res"			<< "=" << rend_desc.get_x_res() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_y_res)
+	{
+		cout << endl << "# " << _("Y Resolution") << endl;
+		cout << "y_res"			<< "=" << rend_desc.get_y_res() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_span)
+	{
+		cout << endl << "# " << _("Diagonal Image Span") << endl;
+		cout << "span"			<< "=" << rend_desc.get_span() << endl;
+	}
+
+	if (job.canvas_info_all)
+		cout << endl;
+
+	if (job.canvas_info_all || job.canvas_info_interlaced)
+	{
+		cout << endl << "# " << _("Interlaced") << endl;
+		cout << "interlaced"	<< "=" << rend_desc.get_interlaced() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_antialias)
+	{
+		cout << endl << "# " << _("Antialias") << endl;
+		cout << "antialias"		<< "=" << rend_desc.get_antialias() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_clamp)
+	{
+		cout << endl << "# " << _("Clamp") << endl;
+		cout << "clamp"			<< "=" << rend_desc.get_clamp() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_flags)
+	{
+		cout << endl << "# " << _("Flags") << endl;
+		cout << "flags"			<< "=" << rend_desc.get_flags() << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_focus)
+	{
+		cout << endl << "# " << _("Focus") << endl;
+		cout << "focus"			<< "=" << rend_desc.get_focus()[0]
+			 << " " << rend_desc.get_focus()[1] << endl;
+	}
+
+	if (job.canvas_info_all || job.canvas_info_bg_color)
+	{
+		cout << endl << "# " << _("Background Color") << endl;
+		cout << "bg_color"		<< "=" << rend_desc.get_bg_color().get_string().c_str() << endl;
+	}
+
+	if (job.canvas_info_all)
+		cout << endl;
+
+	if (job.canvas_info_all || job.canvas_info_metadata)
+	{
+		std::list<String> keys(canvas->get_meta_data_keys());
+		cout << endl << "# " << _("Metadata") << endl;
+		for (std::list<String>::iterator iter = keys.begin(); iter != keys.end(); iter++)
+			cout << *iter << "=" << canvas->get_meta_data(*iter) << endl;
+	}
+}
+
 /* === M E T H O D S ======================================================= */
 
 /* === E N T R Y P O I N T ================================================= */
@@ -835,6 +1120,14 @@ int main(int argc, char *argv[])
 	arg_list_t arg_list;
 	job_list_t job_list;
 
+	setlocale(LC_ALL, "");
+
+#ifdef ENABLE_NLS
+	bindtextdomain("synfig", LOCALEDIR);
+	bind_textdomain_codeset("synfig", "UTF-8");
+	textdomain("synfig");
+#endif
+
 	progname=argv[0];
 	Progress p(argv[0]);
 
@@ -843,9 +1136,10 @@ int main(int argc, char *argv[])
 		cerr<<_("FATAL: Synfig Version Mismatch")<<endl;
 		return SYNFIGTOOL_BADVERSION;
 	}
+
 	if(argc==1)
 	{
-		display_help(0);
+		display_help(false);
 		return SYNFIGTOOL_BLANK;
 	}
 
@@ -880,17 +1174,30 @@ int main(int argc, char *argv[])
 			  return ret;
 
 			// Open the composition
+			String errors, warnings;
+			try
 			{
-				job_list.front().root=open_canvas(job_list.front().filename);
+				job_list.front().root=open_canvas(job_list.front().filename, errors, warnings);
 			}
+			catch(runtime_error x)
+			{
+				job_list.front().root = 0;
+			}
+
 			if(!job_list.front().root)
 			{
-				cerr<<_("Unable to open ")<<job_list.front().filename<<"."<<endl;
+				cerr<<_("Unable to load '")<<job_list.front().filename<<"'."<<endl;
 				cerr<<_("Throwing out job...")<<endl;
 				job_list.pop_front();
 				continue;
 			}
 
+			bool list_canvases = false;
+			extract_list_canvases(imageargs, list_canvases);
+			job_list.front().list_canvases = list_canvases;
+
+			extract_canvas_info(imageargs, job_list.front());
+
 			job_list.front().root->set_time(0);
 
 			string canvasid;
@@ -899,7 +1206,8 @@ int main(int argc, char *argv[])
 			{
 				try
 				{
-					job_list.front().canvas=job_list.front().root->find_canvas(canvasid);
+					String warnings;
+					job_list.front().canvas=job_list.front().root->find_canvas(canvasid, warnings);
 				}
 				catch(Exception::IDNotFound)
 				{
@@ -915,7 +1223,6 @@ int main(int argc, char *argv[])
 					cerr<<_("Throwing out job...")<<endl;
 					job_list.pop_front();
 					continue;
-
 				}
 			}
 			else
@@ -936,9 +1243,13 @@ int main(int argc, char *argv[])
 				extract_append(imageargs,composite_file);
 				if(!composite_file.empty())
 				{
-					Canvas::Handle composite(open_canvas(composite_file));
+					String errors, warnings;
+					Canvas::Handle composite(open_canvas(composite_file, errors, warnings));
 					if(!composite)
+					{
+						cerr<<_("Unable to append '")<<composite_file<<"'."<<endl;
 						break;
+					}
 					Canvas::reverse_iterator iter;
 					for(iter=composite->rbegin();iter!=composite->rend();++iter)
 					{
@@ -948,7 +1259,7 @@ int main(int argc, char *argv[])
 					}
 					VERBOSE_OUT(2)<<_("Appended contents of ")<<composite_file<<endl;
 				}
-			}while(false);
+			} while(false);
 
 			VERBOSE_OUT(4)<<_("Attempting to determine target/outfile...")<<endl;
 
@@ -957,11 +1268,28 @@ int main(int argc, char *argv[])
 			if(target_name.empty() && !job_list.front().outfilename.empty())
 			{
 				VERBOSE_OUT(3)<<_("Target name undefined, attempting to figure it out")<<endl;
-				string ext=job_list.front().outfilename.substr(job_list.front().outfilename.rfind('.')+1);
+				string ext = filename_extension(job_list.front().outfilename);
+				if (ext.length()) ext = ext.substr(1);
 				if(Target::ext_book().count(ext))
+				{
 					target_name=Target::ext_book()[ext];
+					info("target name not specified - using %s", target_name.c_str());
+				}
 				else
-					target_name=ext;
+				{
+					string lower_ext(ext);
+
+					for(unsigned int i=0;i<ext.length();i++)
+						lower_ext[i] = tolower(ext[i]);
+
+					if(Target::ext_book().count(lower_ext))
+					{
+						target_name=Target::ext_book()[lower_ext];
+						info("target name not specified - using %s", target_name.c_str());
+					}
+					else
+						target_name=ext;
+				}
 			}
 
 			// If the target type is STILL not yet defined, then
@@ -977,9 +1305,7 @@ int main(int argc, char *argv[])
 			// given input filename. (ie: change the extension)
 			if(job_list.front().outfilename.empty())
 			{
-				job_list.front().outfilename=job_list.front().filename;
-				job_list.front().outfilename.erase(find(job_list.front().outfilename.begin(),job_list.front().outfilename.end(),'.'),job_list.front().outfilename.end());
-				job_list.front().outfilename+='.';
+				job_list.front().outfilename = filename_sans_extension(job_list.front().filename) + '.';
 				if(Target::book().count(target_name))
 					job_list.front().outfilename+=Target::book()[target_name].second;
 				else
@@ -993,9 +1319,7 @@ int main(int argc, char *argv[])
 			job_list.front().target=synfig::Target::create(target_name,job_list.front().outfilename);
 
 			if(target_name=="sif")
-			{
 				job_list.front().sifout=true;
-			}
 			else
 			{
 				if(!job_list.front().target)
@@ -1019,9 +1343,7 @@ int main(int argc, char *argv[])
 
 			// Set the threads for the target
 			if(job_list.front().target && Target_Scanline::Handle::cast_dynamic(job_list.front().target))
-			{
 				Target_Scanline::Handle::cast_dynamic(job_list.front().target)->set_threads(threads);
-			}
 
 			if(imageargs.size())
 			{
@@ -1033,8 +1355,6 @@ int main(int argc, char *argv[])
 				job_list.pop_front();
 				continue;
 			}
-			//string bleh;
-			//getline(cin,bleh);
 		}
 	}
 
@@ -1050,7 +1370,7 @@ int main(int argc, char *argv[])
 	if(!job_list.size())
 	{
 		cerr<<_("Nothing to do!")<<endl;
-		return SYNFIGTOOL_BORRED;
+		return SYNFIGTOOL_BORED;
 	}
 
 	for(;job_list.size();job_list.pop_front())
@@ -1072,29 +1392,37 @@ int main(int argc, char *argv[])
 
 		RenderProgress p;
 		p.task(job_list.front().filename+" ==> "+job_list.front().outfilename);
-		if(!job_list.front().sifout)
+		if(job_list.front().sifout)
 		{
-			VERBOSE_OUT(1)<<_("Rendering...")<<endl;
-			etl::clock timer;
-			timer.reset();
-			// Call the render member of the target
-			if(!job_list.front().target->render(&p))
+			if(!save_canvas(job_list.front().outfilename,job_list.front().canvas))
 			{
 				cerr<<"Render Failure."<<endl;
 				return SYNFIGTOOL_RENDERFAILURE;
 			}
-			if(print_benchmarks)
-			{
-				cout<<job_list.front().filename+": Rendered in "<<timer()<<" seconds."<<endl;
-			}
+		}
+		else if (job_list.front().list_canvases)
+		{
+			list_child_canvases(job_list.front().filename + "#", job_list.front().canvas);
+			cerr << endl;
+		}
+		else if (job_list.front().canvas_info)
+		{
+			list_canvas_info(job_list.front());
+			cerr << endl;
 		}
 		else
 		{
-			if(!save_canvas(job_list.front().outfilename,job_list.front().canvas))
+			VERBOSE_OUT(1)<<_("Rendering...")<<endl;
+			etl::clock timer;
+			timer.reset();
+			// Call the render member of the target
+			if(!job_list.front().target->render(&p))
 			{
 				cerr<<"Render Failure."<<endl;
 				return SYNFIGTOOL_RENDERFAILURE;
 			}
+			if(print_benchmarks)
+				cout<<job_list.front().filename+": Rendered in "<<timer()<<" seconds."<<endl;
 		}
 	}