From f68712ff24fb76de2aaa7d8a9a47a0dbd1ff0acc Mon Sep 17 00:00:00 2001
From: moz <moritz@wissenba.ch>
Date: Thu, 16 Mar 2017 17:07:36 +0100
Subject: [PATCH] same spacing between all lines. #5

---
 src/main/web                                  |  2 +-
 .../js-gen/transcript-configuration-faust.js  |  3 +++
 svg_rendering/page/js-gen/transcript-svg.js   | 19 ++++++++++++++++++-
 svg_rendering/page/js-gen/transcript.js       |  2 +-
 4 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/main/web b/src/main/web
index 794f227..1c7f9bc 160000
--- a/src/main/web
+++ b/src/main/web
@@ -1 +1 @@
-Subproject commit 794f227eace467a4e26adfd34393af4e80880cca
+Subproject commit 1c7f9bc6474d6a12132355efda41c9a94e5e2c80
diff --git a/svg_rendering/page/js-gen/transcript-configuration-faust.js b/svg_rendering/page/js-gen/transcript-configuration-faust.js
index ddbc004..3e4dd38 100644
--- a/svg_rendering/page/js-gen/transcript-configuration-faust.js
+++ b/svg_rendering/page/js-gen/transcript-configuration-faust.js
@@ -52,6 +52,9 @@ if(window.Faust === undefined) {
 			// overlay : "overlay",
 			overlay : "none",
 			stripWhitespace : ['overw'],
+			// distance from top of one line to top of the following line
+			lineSpacingValue: "20",
+			lineSpacingUnit: "pt",
 			initialize : function (layoutState) {
 				layoutState.idMap = {};
 			},
diff --git a/svg_rendering/page/js-gen/transcript-svg.js b/svg_rendering/page/js-gen/transcript-svg.js
index aa1fc60..0305d2c 100644
--- a/svg_rendering/page/js-gen/transcript-svg.js
+++ b/svg_rendering/page/js-gen/transcript-svg.js
@@ -152,7 +152,8 @@ if(window.FaustTranscript === undefined) {
 		result.setAttribute('width', '0.1em');
 		result.setAttribute('style', 'visibility: hidden;');
 		//TODO dynamically calculate from context line height
-		var height = String(this.vSpaceHeight * 1.5) + 'em';
+		var height = String(Faust.TranscriptConfiguration.lineSpacingValue * this.vSpaceHeight)
+			+ Faust.TranscriptConfiguration.lineSpacingUnit;
 		result.setAttribute('height', height);
 		return result;
 	};
@@ -200,6 +201,22 @@ if(window.FaustTranscript === undefined) {
 		return line;
 	};
 
+	FaustTranscript.Line.prototype.getExt = function(coordRotation) {
+		var matrix = this.view.viewportElement.createSVGMatrix();
+		// create artificial element with real line width but fixed height
+		var originalLineWidth = this.constructor.superclass.getExt.call(this, 0)
+		var extElement = this.svgDocument().createElementNS(SVG_NS, "rect");
+		this.view.insertBefore(extElement, this.view.childNodes[0]);
+		extElement.setAttribute("width", originalLineWidth);
+		extElement.setAttribute("height", String(Faust.TranscriptConfiguration.lineSpacingValue)
+			+ Faust.TranscriptConfiguration.lineSpacingUnit);
+		matrix = matrix.rotate(coordRotation);
+		var bbox = SvgUtils.boundingBox(extElement, matrix).width;
+		this.view.removeChild(extElement);
+		return bbox;
+	};
+
+
 	FaustTranscript.Text.prototype.createView = function() {
 		// wrapper will contain text decorations
 		var wrapper = this.svgDocument().createElementNS(SVG_NS, "g");
diff --git a/svg_rendering/page/js-gen/transcript.js b/svg_rendering/page/js-gen/transcript.js
index fc70429..b5e7ff5 100644
--- a/svg_rendering/page/js-gen/transcript.js
+++ b/svg_rendering/page/js-gen/transcript.js
@@ -283,7 +283,7 @@ if(window.FaustTranscript === undefined) {
 
  		
 		if (this.previous()) {
-			var yourJoint = this.lineAttrs['interline'] ? 0.75 : 1.5;;
+			var yourJoint = this.lineAttrs['interline'] ? 0.5 : 1;;
 			if (Faust.TranscriptConfiguration.overlay === "overlay") {
 				//yourJoint = ("between" in this.lineAttrs)? 1 : 1;				
 				yourJoint = ("over" in this.lineAttrs)? 0.1 : yourJoint;