public SvgCanvas()
{
_currentPath = new StringBuilder();
_currentPathIsEmpty = true;
Color = new Color(255, 255, 255);
LineWidth = 1;
Font = new Font("Arial", 10);
TextAlign = TextAlign.Left;
TextBaseline = TextBaseline.Default;
}
public override void DoLayout()
{
base.DoLayout();
if (Index == 0)
{
Staff.TopSpacing = 5;
Staff.BottomSpacing = 4;
}
Height = Resources.WordsFont.Size;
var endingsStrings = new StringBuilder();
for (int i = 0, j = _endings.Count; i < j; i++)
{
endingsStrings.Append(_endings[i] + 1);
endingsStrings.Append(". ");
}
_endingsString = endingsStrings.ToString();
}
public void NextToken()
{
var token = new StringBuilder();
int c;
bool skipChar;
// skip leading spaces and separators
do
{
c = NextChar();
skipChar = Std.IsWhiteSpace(c) || c == 0x20;
} while (!Eof && skipChar);
// read token itself
if (!Eof || !skipChar)
{
token.AppendChar(c);
if (Std.IsCharNumber(c)) // do we have a number?
{
c = PeekChar(); // get first upcoming character
while (!Eof && (Std.IsCharNumber(c, false) || c == 0x2E)) // while we have number characters add them
{
token.AppendChar(NextChar());
// peek next character for check
c = PeekChar();
}
}
else
{
LastCommand = token.ToString();
}
}
CurrentToken = token.ToString();
}
public AlphaTexExporter()
{
_builder = new StringBuilder();
}
public static void FillFromJson(Settings settings, dynamic json)
{
if (!json) return;
if (Std.JsonExists(json, "scale")) settings.Scale = json.scale;
if (Std.JsonExists(json, "width")) settings.Width = json.width;
if (Std.JsonExists(json, "height")) settings.Height = json.height;
if (Std.JsonExists(json, "engine")) settings.Engine = json.engine;
if (Std.JsonExists(json, "stretchForce")) settings.StretchForce = json.stretchForce;
if (Std.JsonExists(json, "forcePianoFingering")) settings.ForcePianoFingering = json.forcePianoFingering;
if (Std.JsonExists(json, "atRoot"))
{
settings.ScriptFile = json.atRoot;
// append script name
if (!settings.ScriptFile.EndsWith(".js"))
{
if (!settings.ScriptFile.EndsWith("/"))
{
settings.ScriptFile += "/";
}
settings.ScriptFile += "AlphaTab.js";
}
if (!settings.ScriptFile.StartsWith("http") && !settings.ScriptFile.StartsWith("https"))
{
var root = new StringBuilder();
root.Append(HtmlContext.window.location.protocol);
root.Append("//");
root.Append(HtmlContext.window.location.hostname);
if (HtmlContext.window.location.port.As<bool>())
{
root.Append(":");
root.Append(HtmlContext.window.location.port);
}
root.Append(settings.ScriptFile);
settings.ScriptFile = root.ToString();
}
}
else
{
settings.ScriptFile = Environment.ScriptFile;
}
if (Std.JsonExists(json, "layout"))
{
if (JsContext.@typeof(json.layout) == "string")
{
settings.Layout.Mode = json.layout;
}
else
{
if (json.layout.mode) settings.Layout.Mode = json.layout.mode;
if (json.layout.additionalSettings)
{
string[] keys = Std.JsonKeys(json.layout.additionalSettings);
foreach (var key in keys)
{
settings.Layout.AdditionalSettings[key] = json.layout.additionalSettings[key];
}
}
}
}
if (Std.JsonExists(json, "staves"))
{
settings.Staves = new FastList<StaveSettings>();
string[] keys = Std.JsonKeys(json.staves);
foreach (var key in keys)
{
var val = json.staves[key];
if (JsContext.@typeof(val) == "string")
{
settings.Staves.Add(new StaveSettings(val));
}
else
{
if (val.id)
{
var staveSettings = new StaveSettings(val.id);
if (val.additionalSettings)
{
string[] keys2 = Std.JsonKeys(val.additionalSettings);
foreach (var key2 in keys2)
{
staveSettings.AdditionalSettings[key2] = val.additionalSettings[key2];
}
}
settings.Staves.Add(staveSettings);
}
}
}
}
}
static void PlatformInit()
{
RenderEngines["svg"] = () => new CssFontSvgCanvas();
RenderEngines["default"] = () => new CssFontSvgCanvas();
RenderEngines["html5"] = () => new Platform.JavaScript.Html5Canvas();
RegisterJQueryPlugin();
Script.Write("untyped __js__(\"Math.log2 = Math.log2 || function(x) { return Math.log(x) * Math.LOG2E; };\");");
// try to build the find the alphaTab script url in case we are not in the webworker already
if (Lib.Global.document)
{
Script.Write("untyped __js__(\"window.AudioContext = window.AudioContext || window.webkitAudioContext;\");");
var document = Browser.Document;
/**
* VB Loader For IE
* This code is based on the code of
* http://nagoon97.com/reading-binary-files-using-ajax/
* Copyright (c) 2008 Andy G.P. Na <*****@*****.**>
* The source code is freely distributable under the terms of an MIT-style license.
*/
var vbAjaxLoader = new StringBuilder();
vbAjaxLoader.AppendLine("Function VbAjaxLoader(method, fileName)");
vbAjaxLoader.AppendLine(" Dim xhr");
vbAjaxLoader.AppendLine(" Set xhr = CreateObject(\"Microsoft.XMLHTTP\")");
vbAjaxLoader.AppendLine(" xhr.Open method, fileName, False");
vbAjaxLoader.AppendLine(" xhr.setRequestHeader \"Accept-Charset\", \"x-user-defined\"");
vbAjaxLoader.AppendLine(" xhr.send");
vbAjaxLoader.AppendLine(" Dim byteArray()");
vbAjaxLoader.AppendLine(" if xhr.Status = 200 Then");
vbAjaxLoader.AppendLine(" Dim byteString");
vbAjaxLoader.AppendLine(" Dim i");
vbAjaxLoader.AppendLine(" byteString=xhr.responseBody");
vbAjaxLoader.AppendLine(" ReDim byteArray(LenB(byteString))");
vbAjaxLoader.AppendLine(" For i = 1 To LenB(byteString)");
vbAjaxLoader.AppendLine(" byteArray(i-1) = AscB(MidB(byteString, i, 1))");
vbAjaxLoader.AppendLine(" Next");
vbAjaxLoader.AppendLine(" End If");
vbAjaxLoader.AppendLine(" VbAjaxLoader=byteArray");
vbAjaxLoader.AppendLine("End Function");
var vbAjaxLoaderScript = (ScriptElement)document.CreateElement("script");
vbAjaxLoaderScript.SetAttribute("type", "text/vbscript");
var inlineScript = document.CreateTextNode(vbAjaxLoader.ToString());
vbAjaxLoaderScript.AppendChild(inlineScript);
document.AddEventListener("DOMContentLoaded", new Action(() =>
{
document.Body.AppendChild(vbAjaxLoaderScript);
}), false);
ScriptElement scriptElement = (ScriptElement)document.CurrentScript;
if (!scriptElement.IsTruthy())
{
// try to get javascript from exception stack
try
{
var error = new Error();
var stack = error.Stack;
if (!stack.IsTruthy())
{
throw error;
}
ScriptFile = ScriptFileFromStack(stack);
}
catch (Error e)
{
var stack = e.Stack;
if (!stack.IsTruthy())
{
scriptElement = (ScriptElement)document.QuerySelector("script[data-alphatab]");
}
else
{
ScriptFile = ScriptFileFromStack(stack);
}
}
}
// failed to automatically resolve
if (string.IsNullOrEmpty(ScriptFile))
{
if (!scriptElement.IsTruthy())
{
Logger.Warning("Environment", "Could not automatically find alphaTab script file for worker, please add the data-alphatab attribute to the script tag that includes alphaTab or provide it when initializing alphaTab");
}
else
{
ScriptFile = scriptElement.Src;
}
}
CheckForFontAvailability();
}
else
{
var isWebWorker = Script.Write <bool>("untyped __js__(\"typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope\")");
if (isWebWorker)
{
AlphaTabWebWorker.Init();
AlphaSynthWebWorker.Init();
}
}
}
public void Stroke()
{
if (!_currentPathIsEmpty)
{
Buffer.Append("<path d=\"");
Buffer.Append(_currentPath.ToString());
Buffer.Append("\" style=\"stroke:");
Buffer.Append(Color.RGBA);
Buffer.Append("; stroke-width:");
Buffer.Append(LineWidth);
Buffer.Append(";\" fill=\"none\" />\n");
}
_currentPath = new StringBuilder();
_currentPathIsEmpty = true;
}
public void Fill()
{
if (!_currentPathIsEmpty)
{
Buffer.Append("<path d=\"");
Buffer.Append(_currentPath.ToString());
Buffer.Append("\" style=\"fill:");
Buffer.Append(Color.RGBA);
Buffer.Append("\" stroke=\"none\"/>\n");
}
_currentPath = new StringBuilder();
_currentPathIsEmpty = true;
}
public virtual void BeginRender(float width, float height)
{
Buffer = new StringBuilder();
Buffer.Append("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"");
Buffer.Append(width);
Buffer.Append("px\" height=\"");
Buffer.Append(height);
Buffer.Append("px\" class=\"alphaTabSurfaceSvg\">\n");
_currentPath = new StringBuilder();
_currentPathIsEmpty = true;
}