From 28e22769068fc41f8c87349a180e76565a2c297b Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Wed, 6 Jun 2018 17:08:31 +0200
Subject: Add simple SVG generator to ice40 main

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---
 ice40/main.cc | 40 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 36 insertions(+), 4 deletions(-)

(limited to 'ice40/main.cc')

diff --git a/ice40/main.cc b/ice40/main.cc
index afdd1a4a..a32aa2db 100644
--- a/ice40/main.cc
+++ b/ice40/main.cc
@@ -24,6 +24,22 @@
 #include <boost/program_options.hpp>
 #include "pybindings.h"
 
+void svg_dump_el(const GraphicElement &el)
+{
+	float scale = 10.0;
+	std::string style = "stroke=\"black\" stroke-width=\"0.1\" fill=\"none\"";
+
+	if (el.type == GraphicElement::G_BOX) {
+		std::cout << "<rect x=\"" << (scale*el.x1) << "\" y=\"" << (scale*el.y1) <<
+				"\" height=\"" << (scale*(el.y2-el.y1)) << "\" width=\"" << (scale*(el.x2-el.x1)) << "\" " << style << "/>\n";
+	}
+
+	if (el.type == GraphicElement::G_LINE) {
+		std::cout << "<line x1=\"" << (scale*el.x1) << "\" y1=\"" << (scale*el.y1) <<
+				"\" x2=\"" << (scale*el.x2) << "\" y2=\"" << (scale*el.y2) << "\" " << style << "/>\n";
+	}
+}
+
 int main(int argc, char *argv[])
 {
 	namespace po = boost::program_options;
@@ -34,6 +50,7 @@ int main(int argc, char *argv[])
 	options.add_options()("help,h","show help");
 	options.add_options()("test","just a check");
 	options.add_options()("gui","start gui");
+	options.add_options()("svg","dump SVG file");
 	options.add_options()("file", po::value<std::string>(), "python file to execute");
 	options.add_options()("version,v","show version");	
 
@@ -71,6 +88,11 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
+	ChipArgs chipArgs;
+	chipArgs.type = ChipArgs::LP384;
+
+	Design design(chipArgs);
+
 	if (vm.count("gui")) 
 	{
 		QApplication a(argc, argv);
@@ -82,10 +104,6 @@ int main(int argc, char *argv[])
 
 	if (vm.count("test"))
 	{
-		ChipArgs chipArgs;
-		chipArgs.type = ChipArgs::LP384;
-
-		Design design(chipArgs);
 		int bel_count = 0, wire_count = 0, pip_count = 0;
 
 		std::cout << "Checking bel names.\n";
@@ -143,6 +161,20 @@ int main(int argc, char *argv[])
 		return 0;
 	}
 
+	if (vm.count("svg"))
+	{
+		std::cout << "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n";
+		for (auto bel : design.chip.getBels()) {
+			std::cout << "<!-- " << design.chip.getBelName(bel) << " -->\n";
+			for (auto &el : design.chip.getBelGraphics(bel))
+				svg_dump_el(el);
+		}
+		std::cout << "<!-- Frame -->\n";
+		for (auto &el : design.chip.getFrameGraphics())
+			svg_dump_el(el);
+		std::cout << "</svg>\n";
+	}
+
 	if (vm.count("file")) 
 	{
 		std::string filename = vm["file"].as<std::string>();
-- 
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