From 368b88104fcbb351e8602e5271296182ec205b3a Mon Sep 17 00:00:00 2001
From: Andrey Sidorov <sidorares@yandex.ru>
Date: Tue, 1 Apr 2014 23:43:04 +1100
Subject: [PATCH] use text from args

---
 examples/simple/text/render-glyph.js | 75 +++++++++++++++++++++++-----
 1 file changed, 62 insertions(+), 13 deletions(-)

diff --git a/examples/simple/text/render-glyph.js b/examples/simple/text/render-glyph.js
index 173ddbf..748e98a 100644
--- a/examples/simple/text/render-glyph.js
+++ b/examples/simple/text/render-glyph.js
@@ -1,7 +1,25 @@
-var x11 = require('../../lib');
+var x11 = require('../../../lib');
+var fs = require('fs');
 var PointerMotion = x11.eventMask.PointerMotion;
 var Exposure      = x11.eventMask.Exposure;
 
+
+        var ft2 = require('freetype2_render');
+        var fontface= ft2.parse(fs.readFileSync(process.argv[2]))
+        //console.log(fontface.hasKerning(), process.argv[2], '\n', fontface);
+        //process.exit(0);
+        /*
+        fontface.available_characters.forEach(function(left) {
+          fontface.available_characters.forEach(function(right) {
+            var kern = fontface.kerning(left, right, 50, 0, 96, 0);
+            if (kern.x != 0 || kern.y != 0)
+              console.log(left, right, kern);
+          });
+        });
+        */
+        console.log(fontface.kerning('A'.charCodeAt(0), 'V'.charCodeAt(0), 50, 0, 96, 0))
+
+
 function padWidth(buf, width) {
   var height = buf.length / width;
   if (width %4 === 0)
@@ -47,34 +65,65 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
                 [0,     [0x0000, 0x0, 0, 0xffff ] ],
                 [0.3,   [0xffff, 0x0, 0, 0xffff ] ],
                 [0.997, [0xffff, 0xf, 0, 0x1] ],
-                [1,     [0x0000, 0x0, 0, 0x0fff ] ],
+                [1,     [0x0000, 0x0, 0, 0xffff ] ],
             ]
         );
 
-        // TODO integrate freetype2 module here
-        var glyphs = require('./ob-font-50pt100dpi.json');
+        var pictLinearGrad = X.AllocID();
+        Render.LinearGradient(pictLinearGrad, [0,0], [1000,100],
+                [
+                  [0,   [0,0,0,0xffff ] ],
+                 // [0.1, [0xfff, 0, 0xffff, 0x1000] ] ,
+                 // [0.25, [0xffff, 0, 0xfff, 0x3000] ] ,
+                 // [0.5, [0xffff, 0, 0xffff, 0x4000] ] ,
+                  [1,   [0xffff, 0xffff, 0, 0xffff] ]
+                ]);
+
+
+
+
+        var glyphs = fontface.available_characters.map(function(ch) { return fontface.render(ch, parseInt(process.argv[3]*64), 0, 96, 0); });
+        var glyphFromCode = [];
         glyphs.forEach(function(g) {
-          if (!g.image || (g.image.length == 0))
-            g.image = new Buffer(0);
+          if (!g.image || (g.image.length == 0)) {
+            g.image = new Buffer(64);
+            g.image.fill(0);
+            g.width = 8;
+            g.height = 8;
+            g.x = 0;
+            g.y = 0;
+          }
           else {
-            g.image = new Buffer(g.image, 'base64');
+            g.origWidth = g.width;
             g.image = padWidth(g.image, g.width);
             g.width = g.image.length / g.height;
           }
+          g.offX = g.offX / 64;
+          g.offY = g.offY / 64;
+          glyphFromCode[g.id] = g;
+
+          if (g.id == 'A'.charCodeAt(0))
+            g.offX -= 17;
         });
 
-        Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
+        //Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
         // TODO: check BigReq with big glyphset data
         //Render.AddGlyphs(glyphSet, glyphs);
-        //for(var i=0; i < 120; ++i)
-        //  Render.AddGlyphs(glyphSet, [glyphs[i]]);
+        for(var i=0; i < 120; ++i)
+          Render.AddGlyphs(glyphSet, [glyphs[i]]);
 
         function draw(x, y) {
+          if (!y)
+            y = 0;
+          if (!x)
+            x = 0;
           // TODO: example with multiple glyphsets in one CompositeGlyphs call
-          Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 1000, 1000]);
+          Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 3000, 3000]);
+          //Render.Composite(3, pictLinearGrad, 0, pict, 0, 0, 0, 0, 0, 0, 2500, 2500);
           // op, src, dst, maskFormat, gsid, srcX, srcY, dstX, dstY, glyphs
-          //Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! '], [100, 100, 'World *&@#$%']]);
-          Render.CompositeGlyphs8(3, pictGrad, pict, 0, glyphSet, 260-x, 260-y, [[10, 60,'12345678 Hello! '], [-40, 0, 'World'], [10, 10, "testing"]]);
+          //Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60, process.argv[4]]]);
+          var yoff = 2*parseInt(process.argv[3]);
+          Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 260-x, yoff+260-y, [[20, 50, process.argv[4]]]);
         }
 
         X.on('event', function(ev) {