From 778e3a3b27c99e841336e1bbac7fc1689bb07d21 Mon Sep 17 00:00:00 2001
From: Belleve Invis <belleve@typeof.net>
Date: Mon, 27 Jul 2015 01:57:39 +0800
Subject: [PATCH] How silly: backslashes are symmetric, i cannot flip a slash
 to build it.

---
 buildglyphs-intro.patel   |  2 +-
 generate.js               | 38 ++++++++++++++++++++++----------------
 glyphs/symbol-ascii.patel |  9 +++++++--
 makefile                  |  9 +++++----
 4 files changed, 35 insertions(+), 23 deletions(-)

diff --git a/buildglyphs-intro.patel b/buildglyphs-intro.patel
index 7596574..f923e43 100644
--- a/buildglyphs-intro.patel
+++ b/buildglyphs-intro.patel
@@ -219,7 +219,7 @@ local pickHash : if recursive {
 define [create-glyph name actions] : piecewise {
 	[name && actions] : begin {
 		if [pickHash && [not pickHash.(name)]] : return nothing
-		console.log : "Building /" + name + [if recursive " (recursive)" ""] + " for " + para.family + ' ' + para.style
+		process.stderr.write : "Building /" + name + [if recursive " (recursive)" ""] + " for " + para.family + ' ' + para.style + "\n"
 		set dependencyProfile`name ()
 		define glyphObject [new Glyph name]
 		glyphObject.set-width WIDTH
diff --git a/generate.js b/generate.js
index 5870c3a..ddb47b1 100644
--- a/generate.js
+++ b/generate.js
@@ -3,29 +3,35 @@ var buildGlyphs  = require('./buildglyphs.js');
 var parameters = require('./parameters');
 var TTFWriter = require('node-sfnt').TTFWriter;
 var TTF = require('node-sfnt').TTF;
+
+var argv = require('yargs').argv;
+
 function toArrayBuffer(buffer) {
-    var length = buffer.length;
-    var view = new DataView(new ArrayBuffer(length), 0, length);
-    for (var i = 0, l = length; i < l; i++) {
-        view.setUint8(i, buffer[i], false);
-    }
-    return view.buffer;
+	var length = buffer.length;
+	var view = new DataView(new ArrayBuffer(length), 0, length);
+	for (var i = 0, l = length; i < l; i++) {
+		view.setUint8(i, buffer[i], false);
+	}
+	return view.buffer;
 }
 function toBuffer(arrayBuffer) {
-    var length = arrayBuffer.byteLength;
-    var view = new DataView(arrayBuffer, 0, length);
-    var buffer = new Buffer(length);
-    for (var i = 0, l = length; i < l; i++) {
-        buffer[i] = view.getUint8(i, false);
-    }
-    return buffer;
+	var length = arrayBuffer.byteLength;
+	var view = new DataView(arrayBuffer, 0, length);
+	var buffer = new Buffer(length);
+	for (var i = 0, l = length; i < l; i++) {
+		buffer[i] = view.getUint8(i, false);
+	}
+	return buffer;
 }
 
 var options = {preserveOS2Version: true}
 
-var variant = process.argv[2];
-var outputPath = process.argv[3];
+var variant = argv._[0]
+var outputPath = argv._[1]
 
 var ttfFont = buildGlyphs.build(parameters[variant]);
 
-fs.writeFileSync(outputPath, toBuffer(new TTFWriter(options).write(ttfFont)));
\ No newline at end of file
+if(outputPath) fs.writeFileSync(outputPath, toBuffer(new TTFWriter(options).write(ttfFont)));
+if(argv.dumpmap) {
+	fs.writeFileSync(argv.dumpmap, JSON.stringify(ttfFont.glyf.map(function(glyph){ return [glyph.name, glyph.unicode]})), 'utf8')
+}
\ No newline at end of file
diff --git a/glyphs/symbol-ascii.patel b/glyphs/symbol-ascii.patel
index f7074d8..80e5dcf 100644
--- a/glyphs/symbol-ascii.patel
+++ b/glyphs/symbol-ascii.patel
@@ -313,8 +313,13 @@ create-glyph 'backslash' : glyph-construction {
 	set-width WIDTH
 	assign-unicode "\\"
 	
-	include glyphs.slash
-	include : FlipAround MIDDLE parenMid
+	local cor : 1 / [Math.sqrt [1 - [Math.pow [[RIGHTSB - SB - STROKE] / [parenTop - parenBot]] 2]]]
+	
+	start-from SB parenTop
+	line-to [SB + STROKE * cor] parenTop
+	line-to RIGHTSB parenBot
+	line-to [RIGHTSB - STROKE * cor] parenBot
+	reverse-last
 }
 create-glyph 'numbersign' : glyph-construction {
 	set-width WIDTH
diff --git a/makefile b/makefile
index 4d7ed6d..9cbf9bf 100644
--- a/makefile
+++ b/makefile
@@ -9,6 +9,7 @@ SUPPRESS_ERRORS = 2> /dev/null
 endif
 
 TARGETS = $(OBJDIR)/iosevka-regular.ttf $(OBJDIR)/iosevka-bold.ttf $(OBJDIR)/iosevka-italic.ttf $(OBJDIR)/iosevka-bolditalic.ttf
+MAPS    = $(subst .ttf,.charmap,$(TARGETS))
 STEP0   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass0-,$(TARGETS))
 STEP1   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass1-,$(TARGETS))
 STEP2   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass2-,$(TARGETS))
@@ -18,13 +19,13 @@ FILES = $(SUPPORT_FILES) buildglyphs.js
 fonts : update $(TARGETS)
 	
 $(OBJDIR)/.pass0-iosevka-regular.ttf : $(FILES) $(OBJDIR)
-	node generate regular $@
+	node generate regular $@ --dumpmap $(OBJDIR)/iosevka-regular.charmap
 $(OBJDIR)/.pass0-iosevka-bold.ttf : $(FILES) $(OBJDIR)
-	node generate bold $@
+	node generate bold $@ --dumpmap $(OBJDIR)/iosevka-bold.charmap
 $(OBJDIR)/.pass0-iosevka-italic.ttf : $(FILES) $(OBJDIR)
-	node generate italic $@
+	node generate italic $@ --dumpmap $(OBJDIR)/iosevka-italic.charmap
 $(OBJDIR)/.pass0-iosevka-bolditalic.ttf : $(FILES) $(OBJDIR)
-	node generate bolditalic $@
+	node generate bolditalic $@ --dumpmap $(OBJDIR)/iosevka-bolditalic.charmap
 
 $(STEP1) : $(OBJDIR)/.pass1-%.ttf : $(OBJDIR)/.pass0-%.ttf
 	fontforge -script pass1-cleanup.pe $< $@ $(SUPPRESS_ERRORS)