} // DoVisitSpecial
// ----------------------------------------------------------------------
public void VisitImage(IRtfVisualImage visualImage)
{
if (visualImage != null)
{
DoVisitImage(visualImage);
}
} // VisitImage
public void ImageTest()
{
const RtfParserListenerLogger parserLogger = null;
//parserLogger = new RtfParserListenerLogger();
IRtfGroup rtfStructure =
RtfParserTool.Parse(GetTestResource("RtfInterpreterTest_4.rtf"), parserLogger);
Assert.IsNotNull(rtfStructure);
const RtfInterpreterListenerLogger interpreterLogger = null;
//interpreterLogger = new RtfInterpreterListenerLogger();
IRtfDocument rtfDoc = RtfInterpreterTool.BuildDoc(rtfStructure, interpreterLogger);
Assert.IsNotNull(rtfDoc);
IRtfVisualCollection rtfVisuals = rtfDoc.VisualContent;
Assert.AreEqual(RtfVisualKind.Image, rtfVisuals[4].Kind);
IRtfVisualImage img = (IRtfVisualImage)rtfVisuals[4];
Assert.AreEqual(RtfVisualImageFormat.Jpg, img.Format);
Assert.AreEqual(100, img.Width);
Assert.AreEqual(142, img.Height);
Assert.AreEqual(720, img.DesiredWidth);
Assert.AreEqual(1020, img.DesiredHeight);
} // ImageTest
} // DoVisitSpecial
// ----------------------------------------------------------------------
public void VisitImage( IRtfVisualImage visualImage )
{
if ( visualImage != null )
{
DoVisitImage( visualImage );
}
} // VisitImage
public void ImageFormatDecodingTest()
{
const RtfParserListenerLogger parserLogger = null;
//parserLogger = new RtfParserListenerLogger();
const RtfInterpreterListenerLogger interpreterLogger = null;
//interpreterLogger = new RtfInterpreterListenerLogger();
// ReSharper disable RedundantExplicitArrayCreation
int[] imageResources = new int[] { 4, 5, 6, 7, 8, 19 };
// ReSharper restore RedundantExplicitArrayCreation
for (int i = 0; i < imageResources.Length; i++)
{
string testCaseName = BuildTestResourceName("", imageResources[i], false, "rtf");
IRtfGroup rtfStructure =
RtfParserTool.Parse(GetTestResource(testCaseName), parserLogger);
IRtfDocument rtfDoc = RtfInterpreterTool.BuildDoc(rtfStructure, interpreterLogger);
Assert.IsNotNull(rtfDoc);
bool imageFound = false;
foreach (IRtfVisual visual in rtfDoc.VisualContent)
{
if (visual.Kind == RtfVisualKind.Image)
{
IRtfVisualImage img = (IRtfVisualImage)visual;
Assert.IsNotNull(img.ImageForDrawing);
imageFound = true;
//Console.WriteLine( "image: " + img.ImageForDrawing );
}
}
Assert.IsTrue(imageFound, "no image found in test case " + testCaseName);
}
} // ImageFormatDecodingTest
} // RtfSympleInterpreter
// ----------------------------------------------------------------------
static void RtfWriteDocument(IRtfDocument document)
{
Console.WriteLine("RTF Version: " + document.RtfVersion.ToString());
// document info
Console.WriteLine("Title: " + document.DocumentInfo.Title);
Console.WriteLine("Subject: " + document.DocumentInfo.Subject);
Console.WriteLine("Author: " + document.DocumentInfo.Author);
// ...
// fonts
foreach (IRtfFont font in document.FontTable)
{
// Console.WriteLine( "Font: " + font.Name );
}
// colors
foreach (IRtfColor color in document.ColorTable)
{
// Console.WriteLine( "Color: " + color.AsDrawingColor.ToString() );
}
// user properties
foreach (IRtfDocumentProperty documentProperty in document.UserProperties)
{
Console.WriteLine("User property: " + documentProperty.Name);
}
// visuals
foreach (IRtfVisual visual in document.VisualContent)
{
switch (visual.Kind)
{
case RtfVisualKind.Text:
Console.WriteLine("Text: " + ((IRtfVisualText)visual).Text);
break;
case RtfVisualKind.Break:
Console.WriteLine("Tag: " + ((IRtfVisualBreak)visual).BreakKind.ToString());
break;
case RtfVisualKind.Special:
Console.WriteLine("Text: " + ((IRtfVisualSpecialChar)visual).CharKind.ToString());
break;
case RtfVisualKind.Image:
IRtfVisualImage image = (IRtfVisualImage)visual;
Console.WriteLine("Text: " + image.Format.ToString() +
" " + image.Width.ToString() + "x" + image.Height.ToString());
break;
}
}
} // RtfWriteElement
} // DoVisitText
// ----------------------------------------------------------------------
protected override void DoVisitImage(IRtfVisualImage visualImage)
{
if (!EnterVisual(visualImage))
{
return;
}
switch (visualImage.Alignment)
{
case RtfTextAlignment.Left:
//Writer.AddStyleAttribute( HtmlTextWriterStyle.TextAlign, "left" );
break;
case RtfTextAlignment.Center:
Writer.AddStyleAttribute(HtmlTextWriterStyle.TextAlign, "center");
break;
case RtfTextAlignment.Right:
Writer.AddStyleAttribute(HtmlTextWriterStyle.TextAlign, "right");
break;
case RtfTextAlignment.Justify:
Writer.AddStyleAttribute(HtmlTextWriterStyle.TextAlign, "justify");
break;
}
BeginParagraph();
int imageIndex = documentImages.Count + 1;
string fileName = settings.GetImageUrl(imageIndex, visualImage.Format);
int width = settings.ImageAdapter.CalcImageWidth(visualImage.Format, visualImage.Width,
visualImage.DesiredWidth, visualImage.ScaleWidthPercent);
int height = settings.ImageAdapter.CalcImageHeight(visualImage.Format, visualImage.Height,
visualImage.DesiredHeight, visualImage.ScaleHeightPercent);
Writer.AddAttribute(HtmlTextWriterAttribute.Width, width.ToString(CultureInfo.InvariantCulture));
Writer.AddAttribute(HtmlTextWriterAttribute.Height, height.ToString(CultureInfo.InvariantCulture));
string htmlFileName = HttpUtility.HtmlEncode(fileName);
Writer.AddAttribute(HtmlTextWriterAttribute.Src, htmlFileName, false);
RenderImgTag();
RenderEndTag();
documentImages.Add(new RtfConvertedImageInfo(
htmlFileName,
settings.ImageAdapter.TargetFormat,
new Size(width, height)));
LeaveVisual(visualImage);
} // DoVisitImage
} // DoVisitText
// ----------------------------------------------------------------------
protected override void DoVisitImage(IRtfVisualImage visualImage)
{
WriteStartElement("rtfVisualImage");
WriteElementString("format", visualImage.Format.ToString());
WriteElementString("width", visualImage.Width.ToString(CultureInfo.InvariantCulture));
WriteElementString("height", visualImage.Height.ToString(CultureInfo.InvariantCulture));
WriteElementString("desiredWidth", visualImage.DesiredWidth.ToString(CultureInfo.InvariantCulture));
WriteElementString("desiredHeight", visualImage.DesiredHeight.ToString(CultureInfo.InvariantCulture));
WriteElementString("scaleWidthPercent", visualImage.ScaleWidthPercent.ToString(CultureInfo.InvariantCulture));
WriteElementString("scaleHeightPercent", visualImage.ScaleHeightPercent.ToString(CultureInfo.InvariantCulture));
WriteElementString("alignment", visualImage.Alignment.ToString());
WriteElementString("image", visualImage.ImageDataHex);
WriteEndElement();
} // DoVisitImage
} // DoVisitText
// ----------------------------------------------------------------------
protected override void DoVisitImage(IRtfVisualImage visualImage)
{
if (!EnterVisual(visualImage))
{
return;
}
if (BeginParagraph())
{
switch (visualImage.Alignment)
{
case RtfTextAlignment.Left:
//Writer.AddStyleAttribute( HtmlTextWriterStyle.TextAlign, "left" );
break;
case RtfTextAlignment.Center:
Writer.WriteAttributeString("style", "text-align:center");
break;
case RtfTextAlignment.Right:
Writer.WriteAttributeString("style", "text-align:right");
break;
case RtfTextAlignment.Justify:
Writer.WriteAttributeString("style", "text-align:justify");
break;
}
}
string fileName = _settings.ObjectVisitor.GetUri(visualImage);
int width = _settings.ObjectVisitor.CalcImageWidth(visualImage);
int height = _settings.ObjectVisitor.CalcImageHeight(visualImage);
RenderImgTag();
Writer.WriteAttributeString("width", width.ToString(CultureInfo.InvariantCulture));
Writer.WriteAttributeString("height", height.ToString(CultureInfo.InvariantCulture));
Writer.WriteAttributeString("src", fileName);
RenderEndTag();
LeaveVisual(visualImage);
} // DoVisitImage
public virtual string GetUri(IRtfVisualImage image)
{
var result = "data:";
switch (image.Format)
{
case RtfVisualImageFormat.Bmp:
result += "image/bmp;base64,";
break;
case RtfVisualImageFormat.Jpg:
result += "image/jpg;base64,";
break;
case RtfVisualImageFormat.Wmf:
result += "windows/metafile;base64,";
break;
default:
result += "image/png;base64,";
break;
}
return(result + Convert.ToBase64String(image.ImageDataBinary));
}
} // VisitImage
// ----------------------------------------------------------------------
protected virtual void DoVisitImage(IRtfVisualImage visualImage)
{
} // DoVisitImage
// ----------------------------------------------------------------------
protected override void DoVisitImage( IRtfVisualImage visualImage )
{
WriteStartElement( "rtfVisualImage" );
WriteElementString( "format", visualImage.Format.ToString() );
WriteElementString( "width", visualImage.Width.ToString() );
WriteElementString( "height", visualImage.Height.ToString() );
WriteElementString( "desiredWidth", visualImage.DesiredWidth.ToString() );
WriteElementString( "desiredHeight", visualImage.DesiredHeight.ToString() );
WriteElementString( "scaleWidthPercent", visualImage.ScaleWidthPercent.ToString() );
WriteElementString( "scaleHeightPercent", visualImage.ScaleHeightPercent.ToString() );
WriteElementString( "alignment", visualImage.Alignment.ToString() );
WriteElementString( "image", visualImage.ImageDataHex );
WriteEndElement();
}
} // VisitImage
// ----------------------------------------------------------------------
protected virtual void DoVisitImage( IRtfVisualImage visualImage )
{
} // DoVisitImage
// ----------------------------------------------------------------------
protected override void DoVisitImage( IRtfVisualImage visualImage )
{
if ( !EnterVisual( visualImage ) )
{
return;
}
switch ( visualImage.Alignment )
{
case RtfTextAlignment.Left:
//Writer.AddAttribute( HtmlTextWriterAttribute.Align, "left", false );
break;
case RtfTextAlignment.Center:
Writer.AddAttribute( HtmlTextWriterAttribute.Align, "center", false );
break;
case RtfTextAlignment.Right:
Writer.AddAttribute( HtmlTextWriterAttribute.Align, "right", false );
break;
case RtfTextAlignment.Justify:
Writer.AddAttribute( HtmlTextWriterAttribute.Align, "justify", false );
break;
}
BeginParagraph();
int imageIndex = documentImages.Count + 1;
string fileName = settings.GetImageUrl( imageIndex, visualImage.Format );
int width = settings.ImageAdapter.CalcImageWidth( visualImage.Format, visualImage.Width,
visualImage.DesiredWidth, visualImage.ScaleWidthPercent );
int height = settings.ImageAdapter.CalcImageHeight( visualImage.Format, visualImage.Height,
visualImage.DesiredHeight, visualImage.ScaleHeightPercent );
Writer.AddAttribute( HtmlTextWriterAttribute.Width, width.ToString() );
Writer.AddAttribute( HtmlTextWriterAttribute.Height, height.ToString() );
string htmlFileName = HttpUtility.HtmlEncode( fileName );
Writer.AddAttribute( HtmlTextWriterAttribute.Src, htmlFileName, false );
RenderImgTag();
RenderEndTag();
documentImages.Add( new RtfConvertedImageInfo(
htmlFileName,
settings.ImageAdapter.TargetFormat,
new Size( width, height ) ) );
LeaveVisual( visualImage );
}
public virtual int CalcImageHeight(IRtfVisualImage image)
{
float imgScaleY = image.ScaleHeightPercent / 100.0f;
return((int)Math.Round((double)image.DesiredHeight * imgScaleY / twipsPerInch * DefaultDpi));
}
public virtual int CalcImageWidth(IRtfVisualImage image)
{
float imgScaleX = image.ScaleWidthPercent / 100.0f;
return((int)Math.Round((double)image.DesiredWidth * imgScaleX / twipsPerInch * DefaultDpi));
}
