Converts MIDI files into music box scores that are ready to print.
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6.1 KiB

using System;
using System.IO;
using System.Linq;
using System.Xml;
using SBRL.Utilities;
namespace MusicBoxConverter
{
public class Rectangle
{
public Vector2 Start { get; set; }
public Vector2 Size { get; set; }
public Rectangle(Vector2 inStart, Vector2 inSize)
{
Start = inStart;
Size = inSize;
}
}
/// <summary>
/// TODO: Replace this with the (much) better version from the FloatingIslands
/// </summary>
public class SvgWriter
{
public XmlWriter xml;
public string UnitSuffix { get; set; } = "";
public float FontSizeRegular { get; set; } = 3;
private bool haveWrittenFontStyles = false;
public SvgWriter(string outputFilename, string widthspec = "100%", string heightspec = "100%", Rectangle viewBox = null)
{
xml = XmlWriter.Create(
outputFilename,
new XmlWriterSettings() { Indent = true }
);
xml.WriteStartDocument();
xml.WriteDocType("svg", "-//W3C//DTD SVG 1.1//EN", "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd", null);
xml.WriteStartElement("svg", "http://www.w3.org/2000/svg");
xml.WriteAttributeString("version", "1.1");
xml.WriteAttributeString("x", "0");
xml.WriteAttributeString("y", "0");
xml.WriteAttributeString("width", widthspec);
xml.WriteAttributeString("height", heightspec);
if(viewBox != null) {
xml.WriteAttributeString(
"viewBox",
$"{viewBox.Start.X} {viewBox.Start.Y} {viewBox.Size.X} {viewBox.Size.Y}"
);
}
}
public void Complete()
{
xml.WriteEndElement();
xml.WriteEndDocument();
xml.Close();
}
public void WriteText(Vector2 pos, string text, string className)
{
if (!haveWrittenFontStyles)
{
xml.WriteElementString("style", $".regular {{ font: {FontSizeRegular}{UnitSuffix} sans-serif; }}");
haveWrittenFontStyles = true;
}
xml.WriteStartElement("text");
xml.WriteAttributeString("x", $"{pos.X}{UnitSuffix}");
xml.WriteAttributeString("y", $"{pos.Y}{UnitSuffix}");
xml.WriteAttributeString("class", className);
xml.WriteString(text);
xml.WriteEndElement();
}
public void WriteLine(Vector2 start, Vector2 end, string strokeStyle = "darkgreen", float strokeWidth = 3)
{
xml.WriteStartElement("line");
xml.WriteAttributeString("x1", $"{start.X}{UnitSuffix}");
xml.WriteAttributeString("y1", $"{start.Y}{UnitSuffix}");
xml.WriteAttributeString("x2", $"{end.X}{UnitSuffix}");
xml.WriteAttributeString("y2", $"{end.Y}{UnitSuffix}");
xml.WriteAttributeString("stroke", strokeStyle);
xml.WriteAttributeString("stroke-width", strokeWidth.ToString());
xml.WriteEndElement();
}
public void WritePolyLine(string strokeStyle, float strokeWidth, params Vector2[] points)
{
xml.WriteStartElement("polyline");
xml.WriteAttributeString("points", string.Join(" ", points.Select((Vector2 p) => $"{p.X},{p.Y}")));
xml.WriteAttributeString("stroke", strokeStyle);
xml.WriteAttributeString("stroke-width", strokeWidth.ToString());
xml.WriteAttributeString("fill", "none");
xml.WriteEndElement();
}
/// <summary>
/// Adds a cross centred on a point.
/// </summary>
/// <param name="centre">The centre of the cross.</param>
/// <param name="radius">The radius of the cross.</param>
/// <param name="strokeStyle">The stroke style to draw with.</param>
/// <param name="strokeWidth">The stroke width to draw with.</param>
public void WriteCross(Vector2 centre, Vector2 radius, string strokeStyle = "red", float strokeWidth = 1)
{
WriteLine(
centre.Subtract(new Vector2(radius.X, radius.Y)),
centre.Add(new Vector2(radius.X, radius.Y)),
strokeStyle,
strokeWidth
);
WriteLine(
centre.Subtract(new Vector2(radius.X, -radius.Y)),
centre.Add(new Vector2(radius.X, -radius.Y)),
strokeStyle,
strokeWidth
);
}
public void WritePlus(Vector2 centre, Vector2 radius, string strokeStyle = "red", float strokeWidth = 1)
{
WriteLine(
centre.Subtract(new Vector2(0, radius.Y)),
centre.Add(new Vector2(0, radius.Y)),
strokeStyle,
strokeWidth
);
WriteLine(
centre.Subtract(new Vector2(radius.X, 0)),
centre.Add(new Vector2(radius.X, 0)),
strokeStyle,
strokeWidth
);
}
public void StartScaleTransform(float scale)
{
xml.WriteStartElement("g");
xml.WriteAttributeString("transform", $"scale({scale})");
}
public void EndTransform()
{
xml.WriteEndElement();
}
/*public void WritePath(string pathData, string strokeStyle = "green", int strokeWidth = 3)
{
xml.WriteStartElement("path");
xml.WriteAttributeString("d", pathData);
xml.WriteAttributeString("stroke", strokeStyle);
xml.WriteAttributeString("stroke-width", strokeWidth.ToString());
xml.WriteAttributeString("fill", "transparent");
xml.WriteEndElement();
}*/
public void WriteRectangle(Vector2 position, Vector2 size, string strokeStyle = "red", float strokeWidth = 3, bool fillInstead = false)
{
xml.WriteStartElement("rect");
xml.WriteAttributeString("x", $"{position.X}{UnitSuffix}");
xml.WriteAttributeString("y", $"{position.Y}{UnitSuffix}");
xml.WriteAttributeString("width", $"{size.X}{UnitSuffix}");
xml.WriteAttributeString("height", $"{size.Y}{UnitSuffix}");
if (!fillInstead) {
xml.WriteAttributeString("fill", "none");
xml.WriteAttributeString("stroke", strokeStyle);
xml.WriteAttributeString("stroke-width", strokeWidth.ToString());
}
else
xml.WriteAttributeString("fill", strokeStyle);
xml.WriteEndElement();
}
public void WriteCircle(Vector2 centre, float radius, string fillStyle = "blue")
{
xml.WriteStartElement("circle");
xml.WriteAttributeString("cx", $"{centre.X}{UnitSuffix}");
xml.WriteAttributeString("cy", $"{centre.Y}{UnitSuffix}");
xml.WriteAttributeString("r", $"{radius}{UnitSuffix}");
xml.WriteAttributeString("fill", fillStyle);
xml.WriteEndElement();
}
public void WriteText(Vector2 position, string text, float size = 12)
{
xml.WriteStartElement("text");
xml.WriteAttributeString("x", $"{position.X}{UnitSuffix}");
xml.WriteAttributeString("y", $"{position.Y}{UnitSuffix}");
xml.WriteAttributeString("style", $"font-size: {size}{UnitSuffix}");
xml.WriteValue(text);
xml.WriteEndElement();
}
}
}