internal CssStyleDeclaration DeepCopy(ISvgStylable parent)
{
var item = new List<string>(this._items);
var cache = new Dictionary<string, Tuple<string, ICssValue>>();
foreach (var c in this._cache)
{
ICssValue value;
var target = c.Value.Item2;
if (target.GetType() == typeof(SvgPaint) || target.GetType() == typeof(SvgColor))
{
value = ((SvgColor)c.Value.Item2).Clone();
}
else if (target.GetType() == typeof(SvgNumber) || target.GetType() == typeof(SvgLength))
{
value = c.Value.Item2;
}
else if (target.GetType() == typeof(SvgIri))
{
value = new SvgIri(((SvgIri)c.Value.Item2).Uri);
}
else
{
throw new InvalidOperationException();
}
cache.Add(c.Key, Tuple.Create(c.Value.Item1, value));
}
return new CssStyleDeclaration(parent, item, cache);
}
internal SvgStylableHelper DeepCopy(ISvgStylable parent)
{
var obj = (SvgStylableHelper)this.MemberwiseClone();
obj.Style = this.Style.DeepCopy(parent);
return(obj);
}
internal CssStyleDeclaration(ISvgStylable parent, string css)
{
this._parent = parent;
this._items = new List<string>();
this._cache = new Dictionary<string, Tuple<string, ICssValue>>();
this.ParseText(css);
}
internal CssStyleDeclaration DeepCopy(ISvgStylable parent)
{
var item = new List <string>(this._items);
var cache = new Dictionary <string, Tuple <string, ICssValue> >();
foreach (var c in this._cache)
{
ICssValue value;
var target = c.Value.Item2;
if (target.GetType() == typeof(SvgPaint) || target.GetType() == typeof(SvgColor))
{
value = ((SvgColor)c.Value.Item2).Clone();
}
else if (target.GetType() == typeof(SvgNumber) || target.GetType() == typeof(SvgLength))
{
value = c.Value.Item2;
}
else if (target.GetType() == typeof(SvgIri))
{
value = new SvgIri(((SvgIri)c.Value.Item2).Uri);
}
else
{
throw new InvalidOperationException();
}
cache.Add(c.Key, Tuple.Create(c.Value.Item1, value));
}
return(new CssStyleDeclaration(parent, item, cache));
}
internal CssStyleDeclaration(ISvgStylable parent, string css)
{
this._parent = parent;
this._items = new List <string>();
this._cache = new Dictionary <string, Tuple <string, ICssValue> >();
this.ParseText(css);
}
public SvgStylableHelper(ISvgStylable parent, XmlElement element)
{
this.ClassName = element.GetAttribute("class");
this.Style = new CssStyleDeclaration(parent, element.GetAttribute("style"));
foreach (var pn in PRESENTATION_ATTRIBUTE_NAMES)
{
var value = element.GetAttribute(pn);
if (!string.IsNullOrWhiteSpace(value)) this.Style.SetProperty(pn, value, string.Empty, true);
}
}
public SvgStylableHelper(ISvgStylable parent, XmlElement element)
{
this.ClassName = element.GetAttribute("class");
this.Style = new CssStyleDeclaration(parent, element.GetAttribute("style"));
foreach (var pn in PRESENTATION_ATTRIBUTE_NAMES)
{
var value = element.GetAttribute(pn);
if (!string.IsNullOrWhiteSpace(value))
{
this.Style.SetProperty(pn, value, string.Empty, true);
}
}
}
private CssStyleDeclaration(ISvgStylable parent, List<string> items, Dictionary<string, Tuple<string, ICssValue>> cache)
{
this._parent = parent;
this._items = items;
this._cache = cache;
}
/// <summary>
/// Converts the current unit to one that can be used at render time.
/// </summary>
/// <returns>The representation of the current unit in a device value (usually pixels).</returns>
public float ToDeviceValue(ISvgStylable styleOwner, bool vertical)
{
// If it's already been calculated
if (this._deviceValue.HasValue)
{
return(this._deviceValue.Value);
}
if (this._value == 0.0f)
{
this._deviceValue = 0.0f;
return(this._deviceValue.Value);
}
// http://www.w3.org/TR/CSS21/syndata.html#values
// http://www.w3.org/TR/SVG11/coords.html#Units
const float cmInInch = 2.54f;
int ppi = SvgDocument.PointsPerInch;
switch (this.Type)
{
case SvgUnitType.Em:
float points = (float)(this.Value * 9);
_deviceValue = (points / 72) * ppi;
break;
case SvgUnitType.Centimeter:
_deviceValue = (float)((this.Value / cmInInch) * ppi);
break;
case SvgUnitType.Inch:
_deviceValue = this.Value * ppi;
break;
case SvgUnitType.Millimeter:
_deviceValue = (float)((this.Value / 10) / cmInInch) * ppi;
break;
case SvgUnitType.Pica:
_deviceValue = ((this.Value * 12) / 72) * ppi;
break;
case SvgUnitType.Point:
_deviceValue = (this.Value / 72) * ppi;
break;
case SvgUnitType.Pixel:
_deviceValue = this.Value;
break;
case SvgUnitType.User:
_deviceValue = this.Value;
break;
case SvgUnitType.Percentage:
// Can't calculate if there is no style owner
if (styleOwner == null)
{
_deviceValue = this.Value;
break;
}
// TODO : Support height percentages
System.Drawing.RectangleF size = styleOwner.Bounds;
_deviceValue = (((vertical) ? size.Height : size.Width) / 100) * this.Value;
break;
default:
_deviceValue = this.Value;
break;
}
return(this._deviceValue.Value);
}
/// <summary>
/// Converts the current unit to one that can be used at render time.
/// </summary>
/// <returns>The representation of the current unit in a device value (usually pixels).</returns>
public float ToDeviceValue(ISvgStylable styleOwner)
{
return(this.ToDeviceValue(styleOwner, false));
}
internal SvgStylableHelper DeepCopy(ISvgStylable parent)
{
var obj = (SvgStylableHelper)this.MemberwiseClone();
obj.Style = this.Style.DeepCopy(parent);
return obj;
}
/// <summary>
/// Converts the current unit to one that can be used at render time.
/// </summary>
/// <returns>The representation of the current unit in a device value (usually pixels).</returns>
public float ToDeviceValue(ISvgStylable styleOwner, bool vertical)
{
// If it's already been calculated
if (this._deviceValue.HasValue)
{
return this._deviceValue.Value;
}
if (this._value == 0.0f)
{
this._deviceValue = 0.0f;
return this._deviceValue.Value;
}
// http://www.w3.org/TR/CSS21/syndata.html#values
// http://www.w3.org/TR/SVG11/coords.html#Units
const float cmInInch = 2.54f;
int ppi = SvgDocument.PointsPerInch;
switch (this.Type)
{
case SvgUnitType.Em:
float points = (float)(this.Value * 9);
_deviceValue = (points / 72) * ppi;
break;
case SvgUnitType.Centimeter:
_deviceValue = (float)((this.Value / cmInInch) * ppi);
break;
case SvgUnitType.Inch:
_deviceValue = this.Value * ppi;
break;
case SvgUnitType.Millimeter:
_deviceValue = (float)((this.Value / 10) / cmInInch) * ppi;
break;
case SvgUnitType.Pica:
_deviceValue = ((this.Value * 12) / 72) * ppi;
break;
case SvgUnitType.Point:
_deviceValue = (this.Value / 72) * ppi;
break;
case SvgUnitType.Pixel:
_deviceValue = this.Value;
break;
case SvgUnitType.User:
_deviceValue = this.Value;
break;
case SvgUnitType.Percentage:
// Can't calculate if there is no style owner
if (styleOwner == null)
{
_deviceValue = this.Value;
break;
}
// TODO : Support height percentages
System.Drawing.RectangleF size = styleOwner.Bounds;
_deviceValue = (((vertical) ? size.Height : size.Width) / 100) * this.Value;
break;
default:
_deviceValue = this.Value;
break;
}
return this._deviceValue.Value;
}
/// <summary>
/// Converts the current unit to one that can be used at render time.
/// </summary>
/// <returns>The representation of the current unit in a device value (usually pixels).</returns>
public float ToDeviceValue(ISvgStylable styleOwner)
{
return this.ToDeviceValue(styleOwner, false);
}
private CssStyleDeclaration(ISvgStylable parent, List <string> items, Dictionary <string, Tuple <string, ICssValue> > cache)
{
this._parent = parent;
this._items = items;
this._cache = cache;
}
