//public SvgLine()
//{
//}
//! Constructors
public SvgLine(SvgPaintStyle paintStyle, Matrix3x3 transformation, float x1, float y1, float x2, float y2)
: base(paintStyle, transformation)
{
d_x1 = x1;
d_y1 = y1;
d_x2 = x2;
d_y2 = y2;
}
//public SvgCircle()
//{
//}
public SvgCircle(SvgPaintStyle paintStyle,
Matrix3x3 transformation,
float cx,
float cy,
float r) : base(paintStyle, transformation)
{
d_cx = cx;
d_cy = cy;
d_r = r;
}
//public SvgRect()
//{
//}
public SvgRect(SvgPaintStyle paintStyle, Matrix3x3 transformation,
float x, float y, float width, float height, float rx = 0.0f, float ry = 0.0f)
: base(paintStyle, transformation)
{
d_x = x;
d_y = y;
d_width = width;
d_height = height;
d_rx = rx;
d_ry = ry;
}
/// <summary>
/// Function that parses the paint style (fill and stroke parameters) from an SVG graphics element.
/// </summary>
/// <param name="attributes">
/// The XML attributes from which the values will be parsed.
/// </param>
/// <returns></returns>
private static SvgPaintStyle parsePaintStyle(XMLAttributes attributes)
{
var paintStyle = new SvgPaintStyle();
// TODO: ...
// unsupported/unspecified values should be inherited from the parents if possible, this
// however would require adding an additional bool to every attribute member variable to check if
// it is to be inherited or not
var fillString = attributes.GetValueAsString(SVGGraphicsElementAttributeFill);
parsePaintStyleFill(fillString, paintStyle);
var fillRuleString = attributes.GetValueAsString(SVGGraphicsElementAttributeFillRule);
parsePaintStyleFillRule(fillRuleString, paintStyle);
var fillOpacityString = attributes.GetValueAsString(SVGGraphicsElementAttributeFillOpacity);
parsePaintStyleFillOpacity(fillOpacityString, paintStyle);
var strokeString = attributes.GetValueAsString(SVGGraphicsElementAttributeStroke);
parsePaintStyleStroke(strokeString, paintStyle);
var strokeWidthString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeWidth, "1");
parsePaintStyleStrokeWidth(strokeWidthString, paintStyle);
var strokeLinecapString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeLinecap, "butt");
parsePaintStyleStrokeLinecap(strokeLinecapString, paintStyle);
var strokeLinejoinString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeLinejoin, "miter");
parsePaintStyleStrokeLinejoin(strokeLinejoinString, paintStyle);
var strokeMiterLimitString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeMiterLimit, "4");
parsePaintStyleMiterlimitString(strokeMiterLimitString, paintStyle);
var strokeDashArrayString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeDashArray);
parsePaintStyleStrokeDashArray(strokeDashArrayString, paintStyle);
var strokeDashOffsetString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeDashOffset);
parsePaintStyleStrokeDashOffset(strokeDashOffsetString, paintStyle);
var strokeOpacityString = attributes.GetValueAsString(SVGGraphicsElementAttributeStrokeOpacity);
parsePaintStyleStrokeOpacity(strokeOpacityString, paintStyle);
return(paintStyle);
}
//public SvgEllipse()
//{
//}
public SvgEllipse(SvgPaintStyle paintStyle,
Matrix3x3 transformation,
float cx,
float cy,
float rx,
float ry) : base(paintStyle, transformation)
{
d_cx = cx;
d_cy = cy;
d_rx = rx;
d_ry = ry;
}
//! Parses the String value of a 'stroke-width' property
private static void parsePaintStyleStrokeWidth(string strokeWidthString, SvgPaintStyle paintStyle)
{
paintStyle.d_strokeWidth = Single.Parse(strokeWidthString);
if (paintStyle.d_strokeWidth < 0.0f)
{
paintStyle.d_strokeWidth = 1.0f;
System.GetSingleton()
.Logger.LogEvent(
"SVGData::parsePaintStyle - An unsupported value for stroke-width was specified in the SVG file. The value is set to the initial value '1'.",
LoggingLevel.Errors);
}
}
//! Parses the String value of a 'stroke' property
private static void parsePaintStyleStroke(string strokeString, SvgPaintStyle paintStyle)
{
if (String.IsNullOrEmpty(strokeString) || strokeString.Equals("none"))
{
paintStyle.d_stroke.d_none = true;
}
else
{
paintStyle.d_stroke.d_none = false;
paintStyle.d_stroke.d_colour = parseColour(strokeString);
}
}
//! Parses the String value of a 'stroke-opacity' property
private static void parsePaintStyleStrokeOpacity(string strokeOpacityString, SvgPaintStyle paint_style)
{
if (String.IsNullOrEmpty(strokeOpacityString))
{
paint_style.d_strokeOpacity = 1.0f;
}
else
{
paint_style.d_strokeOpacity = Single.Parse(strokeOpacityString);
//! Clamp value without ever throwing a warning
paint_style.d_strokeOpacity = Math.Min(Math.Max(0.0f, paint_style.d_strokeOpacity), 1.0f);
}
}
//! Parses the String value of a 'fill-opacity' property
private static void parsePaintStyleFillOpacity(string fillOpacityString, SvgPaintStyle paintStyle)
{
if (String.IsNullOrEmpty(fillOpacityString))
{
// Inherit value or use default
paintStyle.d_fillOpacity = 1.0f;
}
else
{
paintStyle.d_fillOpacity = Single.Parse(fillOpacityString);
//! Clamp value in each case without throwing a warning if the values are below 0 or above 1
paintStyle.d_fillOpacity = Math.Min(Math.Max(0.0f, paintStyle.d_fillOpacity), 1.0f);
}
}
//! Parses the String value of a 'fill-rule' property
private static void parsePaintStyleFillRule(string fillRuleString, SvgPaintStyle paintStyle)
{
if (String.IsNullOrEmpty(fillRuleString))
{
// Inherit value or use default
paintStyle.d_fillRule = PolygonFillRule.NonZero;
}
else if (fillRuleString.Equals("nonzero"))
{
paintStyle.d_fillRule = PolygonFillRule.NonZero;
}
else if (fillRuleString.Equals("evenodd"))
{
paintStyle.d_fillRule = PolygonFillRule.EvenOdd;
}
}
//! Parses the String value of a 'fill' property
private static void parsePaintStyleFill(string fillString, SvgPaintStyle paintStyle)
{
if (fillString.Equals("none"))
{
paintStyle.d_fill.d_none = true;
}
else if (String.IsNullOrEmpty(fillString))
{
// Inherit value or use default
paintStyle.d_fill.d_none = false;
paintStyle.d_fill.d_colour = parseColour("black");
}
else
{
paintStyle.d_fill.d_none = false;
paintStyle.d_fill.d_colour = parseColour(fillString);
}
}
//! Parses the String value of a 'stroke-linecap' property
private static void parsePaintStyleStrokeLinecap(string strokeLinecapString, SvgPaintStyle paintStyle)
{
if (strokeLinecapString.Equals("butt"))
{
paintStyle.d_strokeLinecap = SvgPaintStyle.SVGLinecap.SLC_BUTT;
}
else if (strokeLinecapString.Equals("round"))
{
paintStyle.d_strokeLinecap = SvgPaintStyle.SVGLinecap.SLC_ROUND;
}
else if (strokeLinecapString.Equals("square"))
{
paintStyle.d_strokeLinecap = SvgPaintStyle.SVGLinecap.SLC_SQUARE;
}
else
{
throw new Exception(
"SVG file parsing was aborted because of an invalid value for the SVG 'linecap' type");
}
}
//! Parses the String value of a 'stroke-dasharray' property
private static void parsePaintStyleStrokeDashArray(string strokeDashArrayString, SvgPaintStyle paintStyle)
{
if (strokeDashArrayString.Equals("none"))
{
paintStyle.d_strokeDashArrayNone = true;
paintStyle.d_strokeDashArray.Clear();
}
else
{
paintStyle.d_strokeDashArray = parseListOfLengths(strokeDashArrayString);
var dashArraySize = paintStyle.d_strokeDashArray.Count;
paintStyle.d_strokeDashArrayNone = dashArraySize != 0;
//! If an odd number of values is provided, then the list of values shall be repeated to yield an even number of values
if (paintStyle.d_strokeDashArrayNone == false && (dashArraySize % 2) == 1)
{
paintStyle.d_strokeDashArray.AddRange(paintStyle.d_strokeDashArray);
}
}
}
//protected SvgBasicShape()
//{
//}
protected SvgBasicShape(SvgPaintStyle paintStyle, Matrix3x3 transformation)
{
PaintStyle = paintStyle;
Transformation = transformation;
}
//public SvgPolygon()
//{
//}
//! Constructor
public SvgPolygon(SvgPaintStyle paintStyle, Matrix3x3 transformation, List <Vector2> points)
: base(paintStyle, transformation)
{
d_points = points;
}
public SvgLine(SvgPaintStyle paintStyle, Matrix3x3 transformation, Vector2 lineStart, Vector2 lineEnd)
: this(paintStyle, transformation, lineStart.X, lineStart.Y, lineEnd.X, lineEnd.Y)
{
}
//! Parses the String value of a 'stroke-dashoffset' property
private static void parsePaintStyleStrokeDashOffset(string strokeDashOffsetString, SvgPaintStyle paint_style)
{
if (String.IsNullOrEmpty(strokeDashOffsetString))
{
paint_style.d_strokeDashOffset = 0.0f;
}
else
{
paint_style.d_strokeDashOffset = Single.Parse(strokeDashOffsetString);
}
}
//! Parses the String value of a 'stroke-miterlimit' property
private static void parsePaintStyleMiterlimitString(string strokeMiterLimitString, SvgPaintStyle paintStyle)
{
paintStyle.d_strokeMiterlimit = Single.Parse(strokeMiterLimitString);
if (paintStyle.d_strokeMiterlimit < 1.0f)
{
paintStyle.d_strokeMiterlimit = 4.0f;
System.GetSingleton()
.Logger.LogEvent(
"SVGData::parsePaintStyle - An unsupported value for stroke-miterlimit was specified in the SVG file. The value is set to the initial value '4'.",
LoggingLevel.Errors);
}
}
//! Parses the String value of a 'stroke-linejoin' property
private static void parsePaintStyleStrokeLinejoin(string strokeLinejoinString, SvgPaintStyle paintStyle)
{
if (strokeLinejoinString.Equals("miter"))
{
paintStyle.d_strokeLinejoin = SvgPaintStyle.SVGLinejoin.SLJ_MITER;
}
else if (strokeLinejoinString.Equals("round"))
{
paintStyle.d_strokeLinejoin = SvgPaintStyle.SVGLinejoin.SLJ_ROUND;
}
else if (strokeLinejoinString.Equals("bevel"))
{
paintStyle.d_strokeLinejoin = SvgPaintStyle.SVGLinejoin.SLJ_BEVEL;
}
else
{
throw new Exception("SVG file parsing was aborted because of an invalid value for the SVG 'linejoin' type");
}
}