/// <summary>
/// The systems contain Metrics info, but their top staffline is at 0.
/// The systems are moved to their correct vertical positions on the page here.
/// If pageNumber is set to 0, all the systems in pageSystems will be printed
/// in a single .svg file, whose page height has been changed accordingly.
/// </summary>
/// <param name="Systems"></param>
public SvgPage(SvgScore containerScore, PageFormat pageFormat, int pageNumber, TextInfo infoTextInfo, List<SvgSystem> pageSystems, bool lastPage)
{
_score = containerScore;
_pageFormat = pageFormat;
_pageNumber = pageNumber;
_infoTextInfo = infoTextInfo;
Systems = pageSystems;
if(pageNumber == 0)
{
pageFormat.BottomVBPX = GetNewBottomVBPX(pageSystems);
pageFormat.BottomMarginPos = (int) (pageFormat.BottomVBPX - pageFormat.DefaultDistanceBetweenSystems);
}
MoveSystemsVertically(pageFormat, pageSystems, (pageNumber == 1 || pageNumber == 0), lastPage);
}
public void SvgText(string id, TextInfo textInfo, float x, float y)
{
_w.WriteStartElement("text");
if(!String.IsNullOrEmpty(id))
{
_w.WriteAttributeString("id", id);
}
_w.WriteAttributeString("x", x.ToString(M.En_USNumberFormat));
_w.WriteAttributeString("y", y.ToString(M.En_USNumberFormat));
switch(textInfo.TextHorizAlign)
{
case TextHorizAlign.left:
break;
case TextHorizAlign.center:
_w.WriteAttributeString("text-anchor", "middle");
break;
case TextHorizAlign.right:
_w.WriteAttributeString("text-anchor", "end");
break;
}
_w.WriteAttributeString("font-size", textInfo.FontHeight.ToString(M.En_USNumberFormat));
_w.WriteAttributeString("font-family", textInfo.FontFamily);
if(textInfo.ColorString != null
&& !String.IsNullOrEmpty(textInfo.ColorString.String)
&& !textInfo.ColorString.IsBlack)
_w.WriteAttributeString("fill", textInfo.ColorString.String);
_w.WriteString(textInfo.Text);
_w.WriteEndElement(); // text
}
/// <summary>
/// Adds the link, main title and the author to the first page.
/// </summary>
protected void WritePage1TitleAndAuthor(SvgWriter w, Metadata metadata)
{
string titlesFontFamily = "Open Sans";
TextInfo titleInfo =
new TextInfo(metadata.MainTitle, titlesFontFamily, _pageFormat.Page1TitleHeight,
null, TextHorizAlign.center);
TextInfo authorInfo =
new TextInfo(metadata.Author, titlesFontFamily, _pageFormat.Page1AuthorHeight,
null, TextHorizAlign.right);
w.WriteStartElement("g");
w.WriteAttributeString("id", "titles");
w.SvgText("mainTitle", titleInfo, _pageFormat.Right / 2F, _pageFormat.Page1TitleY);
w.SvgText("author", authorInfo, _pageFormat.RightMarginPos, _pageFormat.Page1TitleY);
w.WriteEndElement(); // group
}
/// <summary>
/// clichtDynamics: { "Ø", "∏", "π", "p", "P", "F", "f", "ƒ", "Ï", "Î" };
/// pppp, ppp, pp, p, mp, mf, f, ff, fff, ffff
/// </summary>
/// <param name="gap"></param>
/// <param name="textInfo"></param>
/// <param name="isBelow"></param>
/// <param name="topBoundary"></param>
/// <param name="bottomBoundary"></param>
public DynamicMetrics(float gap, TextInfo textInfo, bool isBelow)
: base(textInfo.Text, true, textInfo.FontHeight, TextHorizAlign.left)
{
// visually centre the "italic" dynamic characters
if(textInfo.Text == "p" || textInfo.Text == "f") // p, f
{
Move(textInfo.FontHeight * 0.02F, 0F);
}
else if(textInfo.Text == "F") // mf
{
Move(textInfo.FontHeight * 0.1F, 0F);
}
else
{
Move(textInfo.FontHeight * 0.05F, 0F);
}
float dynamicWidth = Right - Left;
float moveLeftDelta = -(dynamicWidth / 2F) - (0.25F * gap); // "centre" italics
Move(moveLeftDelta, 0F);
IsBelow = isBelow;
}
public Text(object container, string text, string fontName, float fontHeight, TextHorizAlign align)
: base(container)
{
_textInfo = new TextInfo(text, fontName, fontHeight, align);
}
public BarnumberMetrics(Graphics graphics, string ID_Type, TextInfo textInfo, FrameInfo frameInfo)
: base(graphics, ID_Type, textInfo)
{
TextMetrics textMetrics = new TextMetrics(graphics, null, textInfo);
_top = textMetrics.Top - frameInfo.PaddingY;
_right = textMetrics.Right + frameInfo.PaddingX;
_bottom = textMetrics.Bottom + frameInfo.PaddingY;
_left = textMetrics.Left - frameInfo.PaddingX;
_strokeWidth = frameInfo.StrokeWidth;
}
/// <summary>
/// Sets the default Top, Right, Bottom, Left.
/// 1. the width of the text is set to the value returned by MeasureText() (no padding)
/// 2. the top and bottom metrics are set to values measured experimentally, using my
/// program: "../_demo projects/MeasureTextDemo/MeasureTextDemo.sln"
/// _top is usually set here to the difference between the top and bottom line positions in that program
/// _bottom is always set here to 0
/// The fonts currently supported are:
/// "Open Sans"
/// "Open Sans Condensed"
/// "Arial"
/// These fonts have to be added to the Assistant Performer's fonts folder, and to its fontStyleSheet.css
/// so that they will work on any operating system.
/// 3. moves the Metrics horizontally to take account of the textinfo.TextHorizAlign setting,
/// leaving OriginX and OriginY at 0F.
/// </summary>
/// <param name="graphics"></param>
/// <param name="textInfo"></param>
private void SetDefaultMetrics(Graphics graphics, TextInfo textInfo)
{
//float maxFontSize = System.Single.MaxValue - 10F;
float maxFontSize = 1000F;
Size textMaxSize = new Size();
try
{
textMaxSize = MeasureText(graphics, textInfo.Text, textInfo.FontFamily, maxFontSize);
}
catch(Exception ex)
{
Debug.Assert(false, ex.Message);
}
_left = 0;
_right = textInfo.FontHeight * textMaxSize.Width / maxFontSize;
switch(textInfo.FontFamily)
{
case "Open Sans": // titles
case "Open Sans Condensed": // ornaments
_top = textInfo.FontHeight * -0.699F; // The difference between the height
_bottom = 0F;
break;
case "Arial": // date stamp, lyrics, staff names
//_top = textInfo.FontHeight * -0.818F; // using MeasureTextDemo
_top = textInfo.FontHeight * -0.71F; // by experiment!
_bottom = 0F;
break;
//case "Times New Roman": // staff names
// _top = textInfo.FontHeight * -1.12F;
// _bottom = 0F;
// break;
default:
Debug.Assert(false, "Unknown font");
break;
}
if(textInfo.TextHorizAlign == TextHorizAlign.center)
Move(-(_right / 2F), 0F);
else if(textInfo.TextHorizAlign == TextHorizAlign.right)
Move(-_right, 0F);
_originX = 0;
_originY = 0; // SVG originY is the baseline of the text
}
public TextMetrics(Graphics graphics, string type, TextInfo textInfo)
: base(type, 0F, 0F)
{
SetDefaultMetrics(graphics, textInfo);
_textInfo = textInfo;
}
public OrnamentMetrics(float gap, Graphics graphics, TextInfo textInfo, bool isBelow)
: base(graphics, null, textInfo)
{
IsBelow = isBelow;
}
public LyricMetrics(float gap, Graphics graphics, TextInfo textInfo, bool isBelow)
: base(graphics, null, textInfo)
{
float width = _right - _left;
float newWidth = width * 0.75F;
float widthMargin = (width - newWidth) / 2.0F;
_left += widthMargin;
_right -= widthMargin;
IsBelow = isBelow;
}
