/// <summary>
/// Clears all of the renderer's layout parameter stacks.
/// </summary>
public void ClearLayoutStacks()
{
StyleStack.Clear();
FontStack.Clear();
ColorStack.Clear();
GlyphShaderStack.Clear();
LinkStack.Clear();
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void RenderEndTag()
{
base.RenderEndTag();
SetTagSupports();
if (Supports(FONT_PROPAGATE))
{
FontStack.Pop();
}
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected override bool OnTagRender(string name, HtmlTextWriterTag key)
{
// handle any tags that do not work downlevel
SetTagSupports();
if (Supports(FONT_PROPAGATE))
{
FontStack.Push(new FontStackItem());
}
// div->table substitution.
// Make tag look like a table. This must be done after we establish tag support.
if (key == HtmlTextWriterTag.Div && ShouldPerformDivTableSubstitution)
{
TagKey = HtmlTextWriterTag.Table;
}
return(base.OnTagRender(name, key));
}
public void PopStyleScope()
{
var scope = StyleStack.Count;
while (FontStack.Count > 0 && FontStack.Peek().Scope == scope)
{
FontStack.Pop();
}
while (ColorStack.Count > 0 && ColorStack.Peek().Scope == scope)
{
ColorStack.Pop();
}
while (GlyphShaderStack.Count > 0 && GlyphShaderStack.Peek().Scope == scope)
{
GlyphShaderStack.Pop();
}
}
public PPTXSlide CreateNewSlide()
{
if (currentSlide != null)
{
EndSheet(currentSlide);
}
currentSlide = new PPTXSlide()
{
SlideLayout = EPPTXSlideLayoutType.BlankSheet
};
document.Slides.Add(currentSlide);
FontStack.Clear();
LastAddedItemTransform = new PPTXTransform();
LastAddedItemTransform.SizeY = Settings.Margin.Top;
TextManager.Init(this);
TableManager.Init(this);
return(currentSlide);
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected override bool OnStyleAttributeRender(string name, string value, HtmlTextWriterStyle key)
{
string s;
if (Supports(FONT_AROUND_CONTENT))
{
// tag supports downlevel fonts
switch (key)
{
case HtmlTextWriterStyle.FontFamily:
_fontFace = value;
_renderFontTag = true;
break;
case HtmlTextWriterStyle.Color:
_fontColor = value;
_renderFontTag = true;
break;
case HtmlTextWriterStyle.FontSize:
_fontSize = ConvertToHtmlFontSize(value);
if (_fontSize != null)
{
_renderFontTag = true;
}
break;
case HtmlTextWriterStyle.FontWeight:
if (StringUtil.EqualsIgnoreCase(value, "bold") && SupportsBold)
{
AppendOtherTag("b");
}
break;
case HtmlTextWriterStyle.FontStyle:
if (!StringUtil.EqualsIgnoreCase(value, "normal") && SupportsItalic)
{
AppendOtherTag("i");
}
break;
case HtmlTextWriterStyle.TextDecoration:
s = value.ToLower(CultureInfo.InvariantCulture);
if (s.IndexOf("underline", StringComparison.Ordinal) != -1)
{
AppendOtherTag("u");
}
if (s.IndexOf("line-through", StringComparison.Ordinal) != -1)
{
AppendOtherTag("strike");
}
break;
}
}
else if (Supports(FONT_PROPAGATE))
{
FontStackItem font = (FontStackItem)FontStack.Peek();
switch (key)
{
case HtmlTextWriterStyle.FontFamily:
font.name = value;
break;
case HtmlTextWriterStyle.Color:
font.color = value;
break;
case HtmlTextWriterStyle.FontSize:
font.size = ConvertToHtmlFontSize(value);
break;
case HtmlTextWriterStyle.FontWeight:
if (StringUtil.EqualsIgnoreCase(value, "bold"))
{
font.bold = true;
}
break;
case HtmlTextWriterStyle.FontStyle:
if (!StringUtil.EqualsIgnoreCase(value, "normal"))
{
font.italic = true;
}
break;
case HtmlTextWriterStyle.TextDecoration:
s = value.ToLower(CultureInfo.InvariantCulture);
if (s.IndexOf("underline", StringComparison.Ordinal) != -1)
{
font.underline = true;
}
if (s.IndexOf("line-through", StringComparison.Ordinal) != -1)
{
font.strikeout = true;
}
break;
}
}
if (Supports(SUPPORTS_BORDER) && key == HtmlTextWriterStyle.BorderWidth)
{
s = ConvertToHtmlSize(value);
if (s != null)
{
AddAttribute(HtmlTextWriterAttribute.Border, s);
}
}
if (Supports(SUPPORTS_NOWRAP) && key == HtmlTextWriterStyle.WhiteSpace)
{
AddAttribute(HtmlTextWriterAttribute.Nowrap, value);
}
if (Supports(SUPPORTS_HEIGHT_WIDTH))
{
switch (key)
{
case HtmlTextWriterStyle.Height:
s = ConvertToHtmlSize(value);
if (s != null)
{
AddAttribute(HtmlTextWriterAttribute.Height, s);
}
break;
case HtmlTextWriterStyle.Width:
s = ConvertToHtmlSize(value);
if (s != null)
{
AddAttribute(HtmlTextWriterAttribute.Width, s);
}
break;
}
}
if (Supports(TABLE_ATTRIBUTES) || Supports(TABLE_AROUND_CONTENT))
{
// tag supports downlevel table attributes
switch (key)
{
case HtmlTextWriterStyle.BorderColor:
switch (TagKey)
{
case HtmlTextWriterTag.Div:
if (ShouldPerformDivTableSubstitution)
{
AddAttribute(HtmlTextWriterAttribute.Bordercolor, value);
}
break;
}
break;
case HtmlTextWriterStyle.BackgroundColor:
switch (TagKey)
{
case HtmlTextWriterTag.Table:
case HtmlTextWriterTag.Tr:
case HtmlTextWriterTag.Td:
case HtmlTextWriterTag.Th:
case HtmlTextWriterTag.Body:
AddAttribute(HtmlTextWriterAttribute.Bgcolor, value);
break;
// div->table substitution.
case HtmlTextWriterTag.Div:
if (ShouldPerformDivTableSubstitution)
{
AddAttribute(HtmlTextWriterAttribute.Bgcolor, value);
}
break;
}
break;
case HtmlTextWriterStyle.BackgroundImage:
switch (TagKey)
{
case HtmlTextWriterTag.Table:
case HtmlTextWriterTag.Td:
case HtmlTextWriterTag.Th:
case HtmlTextWriterTag.Body:
// strip url(...) from value
if (StringUtil.StringStartsWith(value, "url("))
{
value = value.Substring(4, value.Length - 5);
}
AddAttribute(HtmlTextWriterAttribute.Background, value);
break;
// div->table substitution.
case HtmlTextWriterTag.Div:
if (ShouldPerformDivTableSubstitution)
{
if (StringUtil.StringStartsWith(value, "url("))
{
value = value.Substring(4, value.Length - 5);
}
AddAttribute(HtmlTextWriterAttribute.Background, value);
}
break;
}
break;
}
}
switch (key)
{
case HtmlTextWriterStyle.ListStyleType:
switch (value)
{
case "decimal":
AddAttribute(HtmlTextWriterAttribute.Type, "1");
break;
case "lower-alpha":
AddAttribute(HtmlTextWriterAttribute.Type, "a");
break;
case "upper-alpha":
AddAttribute(HtmlTextWriterAttribute.Type, "A");
break;
case "lower-roman":
AddAttribute(HtmlTextWriterAttribute.Type, "i");
break;
case "upper-roman":
AddAttribute(HtmlTextWriterAttribute.Type, "I");
break;
case "disc":
case "circle":
case "square":
AddAttribute(HtmlTextWriterAttribute.Type, value);
break;
default:
AddAttribute(HtmlTextWriterAttribute.Type, "disc");
Debug.Assert(false, "Invalid BulletStyle for HTML32.");
break;
}
break;
case HtmlTextWriterStyle.TextAlign:
AddAttribute(HtmlTextWriterAttribute.Align, value);
break;
case HtmlTextWriterStyle.VerticalAlign:
AddAttribute(HtmlTextWriterAttribute.Valign, value);
break;
// Netscape 4.72 can properly handle the Display style attribute, so allow it
// to be rendered.
case HtmlTextWriterStyle.Display:
return(true);
}
return(false);
}
private void ConsumeFont(StringBuilder sbBegin, StringBuilder sbEnd)
{
if (FontStack.Count > 0)
{
string fontFace = null;
string fontColor = null;
string fontSize = null;
bool underline = false;
bool italic = false;
bool bold = false;
bool strikeout = false;
IEnumerator e = FontStack.GetEnumerator();
while (e.MoveNext())
{
FontStackItem fontInfo = (FontStackItem)e.Current;
if (fontFace == null)
{
fontFace = fontInfo.name;
}
if (fontColor == null)
{
fontColor = fontInfo.color;
}
if (fontSize == null)
{
fontSize = fontInfo.size;
}
if (!underline)
{
underline = fontInfo.underline;
}
if (!italic)
{
italic = fontInfo.italic;
}
if (!bold)
{
bold = fontInfo.bold;
}
if (!strikeout)
{
strikeout = fontInfo.strikeout;
}
}
if ((fontFace != null) || (fontColor != null) || (fontSize != null))
{
AppendFontTag(fontFace, fontColor, fontSize, sbBegin, sbEnd);
}
if (underline)
{
AppendOtherTag("u", sbBegin, sbEnd);
}
if (italic && SupportsItalic)
{
AppendOtherTag("i", sbBegin, sbEnd);
}
if (bold && SupportsBold)
{
AppendOtherTag("b", sbBegin, sbEnd);
}
if (strikeout)
{
AppendOtherTag("strike", sbBegin, sbEnd);
}
}
}
public void PopInline()
{
FontStack.Pop();
}
public void PushInlineSetting(PPTXInlineSetting InlieSetting)
{
FontStack.Push(InlieSetting.Font);
}
public void PopBlockSetting()
{
this.BlockSetting = null;
FontStack.Pop();
}
public void PushBlockSetting(PPTXBlockSetting BlockSetting)
{
this.BlockSetting = BlockSetting;
FontStack.Push(BlockSetting.Font);
}
