public static SvgUnit Get_upx(this Int32 val)
{
SvgUnit svgUnit = new SvgUnit(SvgUnitType.Pixel, val);
return(svgUnit);
}
//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
FSuccess.SliceCount = SpreadMax;
FErrorMessage.SliceCount = SpreadMax;
FError.SliceCount = SpreadMax;
Reset();
if (InputChanged() || FBackgroundIn.IsChanged || FReloadIn[0])
{
FDocOut.SliceCount = SpreadMax;
FLayerOut.SliceCount = SpreadMax;
FViewOut.SliceCount = SpreadMax;
FHasViewOut.SliceCount = SpreadMax;
FSizeOut.SliceCount = SpreadMax;
FHasSizeOut.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
var doc = ReadDocument(i);
if (doc != null)
{
doc.SetVVVVBackgroundColor(FBackgroundIn[i]);
FDocOut[i] = doc;
var spread = FLayerOut[i];
spread.SliceCount = doc.Children.Count;
for (int j = 0; j < spread.SliceCount; j++)
{
spread[j] = doc.Children[j];
}
//check view and size
var noView = doc.ViewBox.Equals(SvgViewBox.Empty);
var hp = new SvgUnit(SvgUnitType.Percentage, 100);
var noSize = (doc.Width == hp && doc.Height == hp);
var view = doc.ViewBox;
if (noView)
{
if (noSize)
{
view = doc.Bounds;
}
else
{
view = doc.GetDimensions();
}
doc.ViewBox = view;
}
if (noSize)
{
doc.Width = new SvgUnit(SvgUnitType.User, view.Width);
doc.Height = new SvgUnit(SvgUnitType.User, view.Height);
}
FViewOut[i] = view;
FHasViewOut[i] = !noView;
var size = doc.GetDimensions();
FSizeOut[i] = new Vector2D(size.Width, size.Height);
FHasSizeOut[i] = !noSize;
}
else
{
FDocOut[i] = null;
FLayerOut[i].SliceCount = 0;
FViewOut[i] = new SvgViewBox();
FHasViewOut[i] = false;
FSizeOut[i] = new Vector2D();
FHasSizeOut[i] = false;
}
}
}
//FLogger.Log(LogType.Debug, "hi tty!");
}
public NodeStats(DrawingElement drawing)
{
ChildSpacing = 30f;
}
public void DrawString(string value)
{
// Get any defined anchors
var xAnchors = GetValues(value.Length, e => e._x, UnitRenderingType.HorizontalOffset);
var yAnchors = GetValues(value.Length, e => e._y, UnitRenderingType.VerticalOffset);
using (var fontManager = this.Element.OwnerDocument?.FontManager == null ? new SvgFontManager() : null)
using (var font = this.Element.GetFont(this.Renderer, fontManager))
{
var fontBaselineHeight = font.Ascent(this.Renderer);
PathStatistics pathStats = null;
var pathScale = 1.0;
if (BaselinePath != null)
{
pathStats = new PathStatistics(BaselinePath.PathData);
if (_authorPathLength > 0)
{
pathScale = _authorPathLength / pathStats.TotalLength;
}
}
// Get all of the offsets (explicit and defined by spacing)
IList <float> xOffsets;
IList <float> yOffsets;
IList <float> rotations;
float baselineShift = 0.0f;
try
{
this.Renderer.SetBoundable(new FontBoundable(font, (float)(pathStats == null ? 1 : pathStats.TotalLength)));
xOffsets = GetValues(value.Length, e => e._dx, UnitRenderingType.Horizontal);
yOffsets = GetValues(value.Length, e => e._dy, UnitRenderingType.Vertical);
if (StartOffsetAdjust != 0.0f)
{
if (xOffsets.Count < 1)
{
xOffsets.Add(StartOffsetAdjust);
}
else
{
xOffsets[0] += StartOffsetAdjust;
}
}
if (this.Element.LetterSpacing.Value != 0.0f || this.Element.WordSpacing.Value != 0.0f || this.LetterSpacingAdjust != 0.0f)
{
var spacing = this.Element.LetterSpacing.ToDeviceValue(this.Renderer, UnitRenderingType.Horizontal, this.Element) + this.LetterSpacingAdjust;
var wordSpacing = this.Element.WordSpacing.ToDeviceValue(this.Renderer, UnitRenderingType.Horizontal, this.Element);
if (this.Parent == null && this.NumChars == 0 && xOffsets.Count < 1)
{
xOffsets.Add(0);
}
for (int i = (this.Parent == null && this.NumChars == 0 ? 1 : 0); i < value.Length; i++)
{
if (i >= xOffsets.Count)
{
xOffsets.Add(spacing + (char.IsWhiteSpace(value[i]) ? wordSpacing : 0));
}
else
{
xOffsets[i] += spacing + (char.IsWhiteSpace(value[i]) ? wordSpacing : 0);
}
}
}
rotations = GetValues(value.Length, e => e._rotations);
// Calculate Y-offset due to baseline shift. Don't inherit the value so that it is not accumulated multiple times.
var baselineShiftText = Element.BaselineShift.Trim().ToLowerInvariant();
if (string.IsNullOrEmpty(baselineShiftText))
{
baselineShiftText = "baseline";
}
switch (baselineShiftText)
{
case "baseline":
// do nothing
break;
case "sub":
baselineShift = new SvgUnit(SvgUnitType.Ex, 1).ToDeviceValue(this.Renderer, UnitRenderingType.Vertical, this.Element);
break;
case "super":
baselineShift = -1f * new SvgUnit(SvgUnitType.Ex, 1).ToDeviceValue(this.Renderer, UnitRenderingType.Vertical, this.Element);
break;
default:
var convert = new SvgUnitConverter();
var shiftUnit = (SvgUnit)convert.ConvertFromInvariantString(baselineShiftText);
baselineShift = -1f * shiftUnit.ToDeviceValue(this.Renderer, UnitRenderingType.Vertical, this.Element);
break;
}
if (baselineShift != 0.0f)
{
if (yOffsets.Any())
{
yOffsets[0] += baselineShift;
}
else
{
yOffsets.Add(baselineShift);
}
}
}
finally
{
this.Renderer.PopBoundable();
}
var xTextStart = Current.X;
// NOTE: Assuming a horizontal left-to-right font
// Render absolutely positioned items in the horizontal direction
var yPos = Current.Y;
for (int i = 0; i < xAnchors.Count - 1; i++)
{
FlushPath();
_xAnchor = xAnchors[i] + (xOffsets.Count > i ? xOffsets[i] : 0);
EnsurePath();
yPos = (yAnchors.Count > i ? yAnchors[i] : yPos) + (yOffsets.Count > i ? yOffsets[i] : 0);
xTextStart = xTextStart.Equals(Current.X) ? _xAnchor : xTextStart;
DrawStringOnCurrPath(value[i].ToString(), font, new PointF(_xAnchor, yPos),
fontBaselineHeight, (rotations.Count > i ? rotations[i] : rotations.LastOrDefault()));
}
// Render any remaining characters
var renderChar = 0;
var xPos = this.Current.X;
if (xAnchors.Any())
{
FlushPath();
renderChar = xAnchors.Count - 1;
xPos = xAnchors.Last();
_xAnchor = xPos;
}
EnsurePath();
// Render individual characters as necessary
var lastIndividualChar = renderChar + Math.Max(Math.Max(Math.Max(Math.Max(xOffsets.Count, yOffsets.Count), yAnchors.Count), rotations.Count) - renderChar - 1, 0);
if (rotations.LastOrDefault() != 0.0f || pathStats != null)
{
lastIndividualChar = value.Length;
}
if (lastIndividualChar > renderChar)
{
var charBounds = font.MeasureCharacters(this.Renderer, value.Substring(renderChar, Math.Min(lastIndividualChar + 1, value.Length) - renderChar));
PointF pathPoint;
float rotation;
float halfWidth;
for (int i = renderChar; i < lastIndividualChar; i++)
{
xPos += (float)pathScale * (xOffsets.Count > i ? xOffsets[i] : 0) + (charBounds[i - renderChar].X - (i == renderChar ? 0 : charBounds[i - renderChar - 1].X));
yPos = (yAnchors.Count > i ? yAnchors[i] : yPos) + (yOffsets.Count > i ? yOffsets[i] : 0);
if (pathStats == null)
{
xTextStart = xTextStart.Equals(Current.X) ? xPos : xTextStart;
DrawStringOnCurrPath(value[i].ToString(), font, new PointF(xPos, yPos),
fontBaselineHeight, (rotations.Count > i ? rotations[i] : rotations.LastOrDefault()));
}
else
{
xPos = Math.Max(xPos, 0);
halfWidth = charBounds[i - renderChar].Width / 2;
if (pathStats.OffsetOnPath(xPos + halfWidth))
{
pathStats.LocationAngleAtOffset(xPos + halfWidth, out pathPoint, out rotation);
pathPoint = new PointF((float)(pathPoint.X - halfWidth * Math.Cos(rotation * Math.PI / 180) - (float)pathScale * yPos * Math.Sin(rotation * Math.PI / 180)),
(float)(pathPoint.Y - halfWidth * Math.Sin(rotation * Math.PI / 180) + (float)pathScale * yPos * Math.Cos(rotation * Math.PI / 180)));
xTextStart = xTextStart.Equals(Current.X) ? pathPoint.X : xTextStart;
DrawStringOnCurrPath(value[i].ToString(), font, pathPoint, fontBaselineHeight, rotation);
}
}
}
// Add the kerning to the next character
if (lastIndividualChar < value.Length)
{
xPos += charBounds[charBounds.Count - 1].X - charBounds[charBounds.Count - 2].X;
}
else
{
xPos += charBounds.Last().Width;
}
}
// Render the string normally
if (lastIndividualChar < value.Length)
{
xPos += (xOffsets.Count > lastIndividualChar ? xOffsets[lastIndividualChar] : 0);
yPos = (yAnchors.Count > lastIndividualChar ? yAnchors[lastIndividualChar] : yPos) +
(yOffsets.Count > lastIndividualChar ? yOffsets[lastIndividualChar] : 0);
xTextStart = xTextStart.Equals(Current.X) ? xPos : xTextStart;
DrawStringOnCurrPath(value.Substring(lastIndividualChar), font, new PointF(xPos, yPos),
fontBaselineHeight, rotations.LastOrDefault());
var bounds = font.MeasureString(this.Renderer, value.Substring(lastIndividualChar));
xPos += bounds.Width;
}
NumChars += value.Length;
// Undo any baseline shift. This is not persisted, unlike normal vertical offsets.
this.Current = new PointF(xPos, yPos - baselineShift);
this.TextBounds = new RectangleF(xTextStart, 0, this.Current.X - xTextStart, 0);
}
}
private SvgLine CreateSvgLine(SvgElement owner, LayoutLine line, SvgUnit stroke, Color color)
{
return CreateSvgLine(owner, line.P1, line.P2, stroke, color, null);
}
internal static float ToDeviceValue(this SvgUnit svgUnit, UnitRenderingType renderType, SvgElement?owner, Rect skBounds)
{
const float cmInInch = 2.54f;
var ppi = SvgDocument.PointsPerInch;
var type = svgUnit.Type;
var value = svgUnit.Value;
float? _deviceValue;
float points;
switch (type)
{
case SvgUnitType.Em:
points = value * 9;
_deviceValue = points / 72.0f * ppi;
break;
case SvgUnitType.Ex:
points = value * 9;
_deviceValue = points * 0.5f / 72.0f * ppi;
break;
case SvgUnitType.Centimeter:
_deviceValue = value / cmInInch * ppi;
break;
case SvgUnitType.Inch:
_deviceValue = value * ppi;
break;
case SvgUnitType.Millimeter:
_deviceValue = value / 10 / cmInInch * ppi;
break;
case SvgUnitType.Pica:
_deviceValue = value * 12 / 72 * ppi;
break;
case SvgUnitType.Point:
_deviceValue = value / 72 * ppi;
break;
case SvgUnitType.Pixel:
_deviceValue = value;
break;
case SvgUnitType.User:
_deviceValue = value;
break;
case SvgUnitType.Percentage:
var size = skBounds.Size;
switch (renderType)
{
case UnitRenderingType.Horizontal:
_deviceValue = size.Width / 100 * value;
break;
case UnitRenderingType.HorizontalOffset:
_deviceValue = size.Width / 100 * value + skBounds.Location.X;
break;
case UnitRenderingType.Vertical:
_deviceValue = size.Height / 100 * value;
break;
case UnitRenderingType.VerticalOffset:
_deviceValue = size.Height / 100 * value + skBounds.Location.Y;
break;
default:
case UnitRenderingType.Other:
if (owner?.OwnerDocument?.ViewBox is { } && owner.OwnerDocument.ViewBox.Width != 0 && owner.OwnerDocument.ViewBox.Height != 0)
{
_deviceValue = (float)(Math.Sqrt(Math.Pow(owner.OwnerDocument.ViewBox.Width, 2) + Math.Pow(owner.OwnerDocument.ViewBox.Height, 2)) / Math.Sqrt(2) * value / 100.0);
}
else
{
_deviceValue = (float)(Math.Sqrt(Math.Pow(size.Width, 2) + Math.Pow(size.Height, 2)) / Math.Sqrt(2) * value / 100.0);
}
break;
}
