private bool GetParagraphChildElements(Shape shape, PPTParagraph par, bool hasText, OpenXmlElement obj)
{
if (obj is Run)
{
Run run = (Run)obj;
hasText = true;
PPTRunProperties runProp = new PPTRunProperties(par.defaultRunProperties);
runProp.Text = run.Text.Text;
runProp.SetRunProperties(run.RunProperties, shape, ref effectShapes);
runProp.FontSize = Math.Round(fontScale * runProp.FontSize / Globals.PercentageConstant);
par.RunPropList.Add(runProp);
}
else if (obj is Field)
{
Field run = (Field)obj;
hasText = true;
PPTRunProperties runProp = new PPTRunProperties(par.defaultRunProperties);
runProp.Text = run.Text.Text;
runProp.SetRunProperties(run.RunProperties, shape, ref effectShapes);
runProp.FontSize = Math.Round(fontScale * runProp.FontSize / Globals.PercentageConstant);
par.RunPropList.Add(runProp);
}
else if (obj is Break)
{
Break aBreak = (Break)obj;
PPTRunProperties runProp = new PPTRunProperties(par.defaultRunProperties);
runProp.SetRunProperties(aBreak.RunProperties, shape, ref effectShapes);
runProp.FontSize = Math.Round(fontScale * runProp.FontSize / Globals.PercentageConstant);
runProp.isBreak = true;
par.RunPropList.Add(runProp);
}
return(hasText);
}
//We have two similar methods. This is worse because it uses the Width property of each element instead of measuring the whole string.
//There is mistake in the calculations coming from that and the difference is bigger when there are more elements.
private void fixLeftSpacingForAlignment(List <HtmlText> textElements, PPTParagraph par)
{
int combinedWidth = 0;
foreach (HtmlText textElement in textElements)
{
combinedWidth += textElement.width;
}
int bulletOffset = 0;
if (par.bullet != null && textElements.Count > 0 && !textElements[0].isBullet)
{
combinedWidth += par.bullet.bulletSize;
bulletOffset = par.bullet.bulletSize;
}
int currentLeft = 0;
if ("Center".Equals(par.Align))
{
currentLeft = ((this.width - par.Indent - bulletOffset - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset) - combinedWidth) / 2;
}
else if ("Right".Equals(par.Align))
{
currentLeft = (this.width - par.Indent - bulletOffset - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset) - combinedWidth;
}
foreach (HtmlText textElement in textElements)
{
textElement.setLeft(currentLeft + par.Indent + bulletOffset + par.marginLeft + Shape.LeftInset);
currentLeft += textElement.width;
}
}
private void SetSpecificProperties(SlidePart slidePart, Shape shape)
{
IsText = true;
//Check if this is text
if (shape.TextBody == null)
{
IsText = false;
return;
}
if (shape.TextBody.BodyProperties != null)
{
if (shape.TextBody.BodyProperties.Anchor != null)
{
VerticalAlign = shape.TextBody.BodyProperties.Anchor;
}
if (shape.TextBody.BodyProperties.GetFirstChild <NormalAutoFit>() != null &&
shape.TextBody.BodyProperties.GetFirstChild <NormalAutoFit>().FontScale != null)
{
fontScale = shape.TextBody.BodyProperties.GetFirstChild <NormalAutoFit>().FontScale.Value;
}
}
int index = 0;
foreach (var paragraph in shape.TextBody.Descendants <Paragraph>())
{
var par = new PPTParagraph(slide, placeholder)
{
Paragraph = index++
};
if (paragraph.ParagraphProperties != null)
{
int level = paragraph.ParagraphProperties.Level == null ?
-1 : paragraph.ParagraphProperties.Level.Value;
par.Level = level;
}
par.SetParagraphProperties(paragraph, slidePart,
shapeListStyleMaster, shapeListStyleLayout);
bool hasText = false;
foreach (var obj in paragraph.ChildElements)
{
hasText = GetParagraphChildElements(shape, par, hasText, obj);
}
//This is because when we set paragraph properties we add the bullet to the text runs.
//If we don't have text it still outputs the bullet character.
if (par.bullet != null && hasText)
{
par.RunPropList.Insert(0, par.bullet);
}
Texts.AddLast(par);
}
}
//We have two similar methods - this one is better because it measures the whole string with the font.
private void fixLeftSpacingForAlignment(List <HtmlText> textElements, PPTParagraph par, Font font)
{
int combinedWidth = 0;
StringBuilder combinedText = new StringBuilder();
foreach (HtmlText textElement in textElements)
{
if (textElement.PictureBullet)
{
combinedWidth += textElement.bulletSize;
}
else
{
combinedText.Append(textElement.Text);
}
}
int bulletOffset = 0;
if (par.bullet != null && textElements.Count > 0 && !textElements[0].isBullet)
{
bulletOffset = par.bullet.bulletSize;
combinedWidth += par.bullet.bulletSize;
}
combinedWidth += MeasureString(combinedText.ToString(), font);
int firstLeft = 0;
if ("Center".Equals(par.Align))
{
firstLeft = ((this.width - par.Indent - bulletOffset - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset) - combinedWidth) / 2;
}
else if ("Right".Equals(par.Align))
{
firstLeft = (this.width - par.Indent - bulletOffset - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset) - combinedWidth;
}
combinedText = new StringBuilder();
combinedWidth = 0; //Now used only for picture bullets!
foreach (HtmlText textElement in textElements)
{
textElement.setLeft(firstLeft + par.Indent + bulletOffset + par.marginLeft + combinedWidth + Shape.LeftInset + MeasureString(combinedText.ToString(), font));
if (textElement.PictureBullet)
{
combinedWidth += textElement.bulletSize;
}
else
{
combinedText.Append(textElement.Text);
}
}
}
private IEnumerable <PPTRunProperties> breakTextsToShape(PPTParagraph par)
{
List <Dom.PPTTexts.PPTRunProperties> list = par.RunPropList;
List <PPTRunProperties> result = new List <PPTRunProperties>();
String previousToken = null;
int bulletSize = 0;
foreach (var text in list)
{
float points = float.Parse(text.FontSize.ToString()) * 72.0F / 96.0F;
Font font = new System.Drawing.Font(text.FontFamily.ToString(), points);
if (text.Bold)
{
font = new System.Drawing.Font(text.FontFamily.ToString(), points, FontStyle.Bold);
}
else if (text.Italic)
{
font = new System.Drawing.Font(text.FontFamily.ToString(), points, FontStyle.Italic);
}
else if (text.Underline != null && text.Underline.Equals("Single"))
{
font = new System.Drawing.Font(text.FontFamily.ToString(), points, FontStyle.Underline);
}
int size = 0;
if (text.isBullet && text.Text != null && text.Text.Contains("rId"))
{
bulletSize = text.bulletSize;
}
else
{
size = MeasureString((previousToken == null ? "" : previousToken + " ") + text.Text, font);
}
if (text.isBreak || size + bulletSize < this.width - par.Indent - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset)
{
if (text.Text != null && text.Text.Trim() != "" && !(text.isBullet && text.Text.Contains("rId")))
{
previousToken = (previousToken == null ? "" : previousToken) + text.Text;
}
if (text.isBreak)
{
previousToken = null;
}
result.Add(text);
continue;
}
// previousToken = null;
string[] tokens = text.Text.Split(' ');
int index = 0;
foreach (string token in tokens)
{
index++;
int combinedSize = MeasureString((previousToken == null ? "" : previousToken + " ") + token, font);
if (combinedSize + bulletSize > this.width - par.Indent - par.marginLeft - par.marginRight - Shape.LeftInset - Shape.RightInset)
{
PPTRunProperties temp = new PPTRunProperties(text);
temp.Text = "";
temp.isBreak = true;
result.Add(temp);
temp = new PPTRunProperties(text);
temp.Text = index < tokens.Length? token + " ":token;
result.Add(temp);
previousToken = token;
}
else
{
PPTRunProperties temp = new PPTRunProperties(text);
temp.Text = index < tokens.Length ? token + " " : token;
result.Add(temp);
previousToken = (previousToken == null ? "" : previousToken + " ") + token;
}
}
}
return(result);
}
