/// <summary> /// Draws a line, either above or below the current text line /// the font is required to get the height of the row /// /// </summary> /// <returns>void</returns> public abstract Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont);
private float GetFontHeight(eFont AFont)
{
return GetFontHeight(GetXFont(AFont));
}
/// <summary> /// Reverse Line Feed; decreases the current y position by the height of the given font /// </summary> /// <returns>the new current line /// </returns> public abstract float LineUnFeed(eFont AFont);
/// <summary>
/// Draws a line, either above or below the current text line
/// the font is required to get the height of the row
///
/// </summary>
/// <returns>void</returns>
public override Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont)
{
if (ALinePosition == eLinePosition.eAbove)
{
// to deal with things already printed in the beginning of the line (e.g. descr)
InsertLineForMarkingLine(CurrentYPos);
}
else if (ALinePosition == eLinePosition.eBelow)
{
CurrentYPos = CurrentYPos + 1;
}
if (AXPos1 != 0)
{
// lines above/below columns should not touch
AXPos1 = AXPos1 + 1;
AXPos2 = AXPos2 - 1;
}
if (PrintingMode == ePrintingMode.eDoPrint)
{
PrintString(new String('-', Convert.ToInt32(AXPos2 - AXPos1 + 1)), eFont.eDefaultFont, Convert.ToInt32(AXPos1));
}
CurrentYPos = CurrentYPos + 1;
return true;
}
/// <summary>
/// prints into the current line, aligned x position
///
/// </summary>
public override Boolean PrintString(String ATxt, eFont AFont, eAlignment AAlign)
{
RectangleF rect = CalculatePrintStringRectangle(FLeftMargin, CurrentYPos, FWidth, AFont);
if (PrintingMode == ePrintingMode.eDoPrint)
{
ATxt = GetFittedText(ATxt, AFont, rect.Width);
FXGraphics.DrawString(ATxt, GetXFont(AFont), Brushes.Black, rect, GetXStringFormat(AAlign));
}
return (ATxt != null) && (ATxt.Length != 0);
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// </summary>
/// <returns>true if something was printed
/// </returns>
public override bool PrintString(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
String ToPrint;
System.Int32 XPos;
if ((ATxt == null) || (ATxt.Length == 0))
{
return false;
}
ToPrint = GetFittedText(ATxt, AFont, AWidth);
// eDefault
XPos = Convert.ToInt32(AXPos);
switch (AAlign)
{
case eAlignment.eCenter:
XPos = Convert.ToInt32(AXPos) + (Convert.ToInt32(AWidth) - ToPrint.Length) / 2;
break;
case eAlignment.eLeft:
XPos = Convert.ToInt32(AXPos);
break;
case eAlignment.eRight:
if (Convert.ToInt32(AWidth) > ToPrint.Length)
{
XPos = Convert.ToInt32(AXPos) + Convert.ToInt32(AWidth) - ToPrint.Length;
}
else
{
XPos = Convert.ToInt32(AXPos);
}
break;
}
if (ToPrint.Length > Convert.ToInt32(AWidth))
{
ToPrint = ToPrint.Substring(0, Convert.ToInt32(AWidth));
}
Print(XPos, Convert.ToInt32(CurrentYPos), ToPrint);
return true;
}
/// <summary>
/// Cuts a given text so it will not extend the given width.
/// </summary>
/// <param name="ATxt">The text to cut</param>
/// <param name="AFont">The font used</param>
/// <param name="AWidth">The available length for the text in cm.</param>
/// <returns>The maximum part of the text that will not extend the width.</returns>
protected String CutTextToLength(String ATxt, eFont AFont, float AWidth)
{
String ReturnValue = "";
for (int Counter = 1; Counter <= ATxt.Length; ++Counter)
{
float length = GetWidthString(ATxt.Substring(0, Counter), AFont);
if (length <= AWidth)
{
ReturnValue = ATxt.Substring(0, Counter);
}
else
{
break;
}
}
return ReturnValue;
}
/// <summary> /// This function uses the normal DrawString function to print into a given space. /// </summary> /// <returns>whether the text did fit that space or not. /// </returns> public abstract Boolean PrintStringAndFits(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign);
/// <summary> /// Return the width of the string, if it was printed in one line, using the given Font /// /// </summary> /// <returns>void</returns> public abstract float GetWidthString(String ATxt, eFont AFont);
/// <summary> /// prints into the current line, absolute x position with width and alignment /// </summary> /// <returns>true if something was printed /// </returns> public abstract bool PrintString(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign);
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// this method uses FCurrentXPos and FCurrentYPos to be able to continue a paragraph
/// uses FCurrentXPos and FCurrentYPos to know where to start to print, and also sets
/// valid values in those member variables
/// </summary>
/// <returns>s bool true if any text was printed</returns>
public virtual bool PrintStringWrap(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
return(false);
}
/// <summary> /// prints into the current line, absolute x position /// </summary> /// <returns>true if something was printed /// </returns> public abstract Boolean PrintString(String ATxt, eFont AFont, float AXPos);
/// <summary> /// prints into the current line, aligned x position /// </summary> /// <returns>true if something was printed /// </returns> public abstract Boolean PrintString(String ATxt, eFont AFont, eAlignment AAlign);
/// <summary> /// Set the space that is required by the page footer. /// ValidYPos will consider this value. /// /// </summary> /// <returns>void</returns> public abstract void SetPageFooterSpace(System.Int32 ANumberOfLines, eFont AFont);
/// <summary>
/// Line Feed, but not full line; increases the current y position by half the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineSpaceFeed(eFont AFont)
{
CurrentYPos = CurrentYPos + 1;
return CurrentYPos;
}
/// <summary> /// Draws a line, either above or below the current text line /// the font is required to get the height of the row /// /// </summary> /// <returns>void</returns> public abstract Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont);
/// <summary>
/// Set the space that is required by the page footer.
/// ValidYPos will consider this value.
///
/// </summary>
/// <returns>void</returns>
public override void SetPageFooterSpace(System.Int32 ANumberOfLines, eFont AFont)
{
// just to tell that we accept a page footer; not fully implemented (regarding page breaks etc)
if (ANumberOfLines != 0)
{
FPageFooterSpace = 1;
}
}
/// <summary>
/// Draws a line, either above or below the current text line
/// the font is required to get the height of the row
/// </summary>
/// <param name="AXPos1"></param>
/// <param name="AXPos2"></param>
/// <param name="ALinePosition"></param>
/// <param name="AFont"></param>
/// <returns></returns>
public override Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont)
{
float YPos;
YPos = CurrentYPos;
if (ALinePosition == eLinePosition.eBelow)
{
YPos = CurrentYPos + GetFontHeight(AFont);
}
else if (ALinePosition == eLinePosition.eAbove)
{
YPos = CurrentYPos;
}
if (AXPos1 != LeftMargin)
{
// lines above/below columns should not touch
AXPos1 = AXPos1 + Cm(0.3f);
}
if (PrintingMode == ePrintingMode.eDoPrint)
{
FXGraphics.DrawLine(FXBlackPen, AXPos1, YPos, AXPos2, YPos);
}
return(true);
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// this method uses FCurrentXPos and FCurrentYPos to be able to continue a paragraph
/// uses FCurrentXPos and FCurrentYPos to know where to start to print, and also sets
/// valid values in those member variables
/// </summary>
/// <returns>s bool true if any text was printed</returns>
public override bool PrintStringWrap(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
while (ATxt.Length > 0)
{
Int32 firstWordLength;
Int32 length = GetTextLengthThatWillFit(ATxt, AFont, AWidth, out firstWordLength);
if ((length <= 0) && (CurrentXPos == AXPos) && (firstWordLength > 0))
{
// the word is too long, it will never fit;
// force to print the first word
// todo: this overwrites the text in the next cell; should we break the line inside the word, or not print the overlap?
// goal: the problem should be easy to notice by the user...
length = firstWordLength;
string toPrint = ATxt.Substring(0, length);
TLogging.Log("the text \"" + toPrint + "\" does not fit into the assigned space!");
}
if (length > 0)
{
string toPrint = ATxt.Substring(0, length);
ATxt = ATxt.Substring(length);
float XPos = CalculateXPos(AXPos, AWidth, toPrint, AAlign);
//PrintString(toPrint, AFont, FCurrentXPos);
Print(Convert.ToInt32(XPos), Convert.ToInt32(CurrentYPos), toPrint);
//FCurrentXPos += GetWidthString(toPrint, AFont);
if (ATxt.Length > 0)
{
// there is still more to come, we need a new line
LineFeed(); // will use the biggest used font, and reset it
}
}
else if ((ATxt.Length > 0)
&& (CurrentXPos != AXPos))
{
// the first word did not fit the space; needs a new line
CurrentXPos = AXPos;
LineFeed();
}
}
return true;
}
private float GetFontHeight(eFont AFont)
{
return(GetFontHeight(GetXFont(AFont)));
}
/// <summary>
/// This function uses the normal PrintString function to print into a given space.
/// </summary>
/// <returns>whether the text did fit that space or not.
/// </returns>
public override Boolean PrintStringAndFits(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
PrintString(ATxt, AFont, AXPos, AWidth, AAlign);
return ATxt.Length <= AWidth;
}
/// <summary>
/// Line Feed, but not full line; increases the current y position by half the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineSpaceFeed(eFont AFont)
{
CurrentYPos = CurrentYPos + GetFontHeight(AFont) / 2;
return(CurrentYPos);
}
/// <summary>
/// update the biggest last used font for the next line feed
/// </summary>
/// <param name="AFont"></param>
protected override bool UpdateBiggestLastUsedFont(eFont AFont)
{
if (base.UpdateBiggestLastUsedFont(AFont))
{
FXBiggestLastUsedFont = GetXFont(AFont);
return true;
}
return false;
}
/// <summary>
/// Reverse Line Feed; decreases the current y position by the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineUnFeed(eFont AFont)
{
CurrentYPos = CurrentYPos - GetFontHeight(AFont);
return(CurrentYPos);
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// </summary>
/// <returns>true if something was printed</returns>
public override Boolean PrintString(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
RectangleF rect = CalculatePrintStringRectangle(AXPos, CurrentYPos, AWidth, AFont);
if (PrintingMode == ePrintingMode.eDoPrint)
{
if (FPrinterBehaviour == ePrinterBehaviour.eReport)
{
ATxt = GetFittedText(ATxt, AFont, rect.Width);
}
if ((AAlign == eAlignment.eCenter) && Environment.OSVersion.ToString().StartsWith("Unix"))
{
// it seems on Mono/Unix, the string aligning to the center does not work properly. so we do it manually
rect = new RectangleF(rect.Left + (AWidth - GetWidthString(ATxt, AFont)) / 2.0f, rect.Top, rect.Height, rect.Width);
FXGraphics.DrawString(ATxt, GetXFont(AFont), Brushes.Black, rect, GetXStringFormat(eAlignment.eLeft));
}
else
{
XStringFormat f = GetXStringFormat(AAlign);
f.FormatFlags = XStringFormatFlags.MeasureTrailingSpaces;
//TLogging.Log("curr ypos " + CurrentYPos.ToString() + " " + AXPos.ToString() + " " + ATxt + AWidth.ToString());
FXGraphics.DrawString(ATxt, GetXFont(AFont), Brushes.Black, rect, f);
}
}
return (ATxt != null) && (ATxt.Length != 0);
}
/// <summary>
/// update the biggest last used font for the next line feed
/// </summary>
/// <param name="AFont"></param>
protected virtual bool UpdateBiggestLastUsedFont(eFont AFont)
{
return(false);
}
/// <summary>
/// Line Feed, but not full line; increases the current y position by half the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineSpaceFeed(eFont AFont)
{
CurrentYPos = CurrentYPos + GetFontHeight(AFont) / 2;
return CurrentYPos;
}
/// <summary>
/// prints into the current line, aligned x position
///
/// </summary>
public override Boolean PrintString(String ATxt, eFont AFont, eAlignment AAlign)
{
return(false);
}
/// <summary> /// Return the width of the string, if it was printed in one line, using the given Font /// /// </summary> /// <returns>void</returns> public abstract float GetWidthString(String ATxt, eFont AFont);
/// <summary>
/// prints into the current line, absolute x position
///
/// </summary>
public override Boolean PrintString(String ATxt, eFont AFont, float AXPos)
{
return(false);
}
/// <summary>
/// Line Feed; increases the current y position by one
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineFeed(eFont AFont)
{
CurrentYPos = CurrentYPos + 1;
// check if line is only a marking line; in that case, jump over it
string s = GetLine(Convert.ToInt32(CurrentYPos)).Trim();
if (s == new String('-', s.Length))
{
CurrentYPos = CurrentYPos + 1;
}
return CurrentYPos;
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// </summary>
/// <returns>true if something was printed</returns>
public override Boolean PrintString(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
return(false);
}
/// <summary>
/// Reverse Line Feed; decreases the current y position by the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineUnFeed(eFont AFont)
{
CurrentYPos = CurrentYPos - 1;
return CurrentYPos;
}
/// <summary>
/// word wrap text, return the number of characters that fit the line width;
/// if the first word does not fit the space available, wrap the word in itself
/// </summary>
/// <param name="ATxt"></param>
/// <param name="AFont"></param>
/// <param name="AWidth"></param>
/// <returns>returns the length of the first word; this is needed if even the first word does not fit</returns>
protected Int32 GetTextLengthThatWillFit(String ATxt, eFont AFont, float AWidth)
{
// see also http://www.codeguru.com/vb/gen/vb_misc/printing/article.php/c11233
string buffer = ATxt;
string fittingText = "";
char[] whitespace = new char[] {
' ', '\t', '\r', '\n'
};
if (FPrinterBehaviour == ePrinterBehaviour.eReport)
{
// whitespace setting for ePrinterBehaviour.eReport
whitespace = new char[] {
' ', '\t', '\r', '\n', '-'
};
}
string previousWhitespaces = "";
string nextWhitespaces = "";
Int32 result = 0;
while (GetWidthString(fittingText, AFont) < AWidth)
{
result = fittingText.Length;
if (buffer.Length == 0)
{
return(ATxt.Length);
}
Int32 indexWhitespace = buffer.IndexOfAny(whitespace);
if (indexWhitespace > -1)
{
string nextWord = buffer.Substring(0, indexWhitespace);
fittingText += previousWhitespaces + nextWhitespaces + nextWord;
nextWhitespaces = "";
// sometimes there are forced whitespaces (eg , already replaced by spaces etc)
// consider them as a word
previousWhitespaces = buffer[indexWhitespace].ToString();
while (indexWhitespace < buffer.Length - 1 && buffer.Substring(indexWhitespace + 1).IndexOfAny(whitespace) == 0)
{
indexWhitespace++;
nextWhitespaces += buffer[indexWhitespace];
}
buffer = buffer.Substring(indexWhitespace + 1);
}
else // no whitespace left
{
// store length of result without the rest of the text, because it might not fit;
// but include whitespaces already, avoid printing them at start of new line
result = (fittingText + previousWhitespaces).Length;
fittingText += previousWhitespaces + buffer;
previousWhitespaces = "";
buffer = "";
}
}
if (result > 0)
{
result += previousWhitespaces.Length;
}
if (result == 0)
{
// the first word is already too long for the assigned space
// see how many characters would fit
buffer = fittingText;
fittingText = "";
while (GetWidthString(fittingText, AFont) < AWidth && buffer.Length > 0)
{
fittingText += buffer[0];
buffer = buffer.Substring(1);
}
return(fittingText.Length - 1);
}
return(result);
}
/// <summary>
/// prints into the current line, aligned x position
/// </summary>
/// <returns>true if something was printed
/// </returns>
public override Boolean PrintString(String ATxt, eFont AFont, eAlignment AAlign)
{
Boolean ReturnValue;
Int32 XPos;
if ((ATxt == null) || (ATxt.Length == 0))
{
return false;
}
ReturnValue = true;
// eDefault
XPos = 0;
switch (AAlign)
{
case eAlignment.eCenter:
if (FOrientation == eOrientation.ePortrait)
{
XPos = (NumberOfCharactersPerLinePortrait - ATxt.Length) / 2;
}
else
{
XPos = (NumberOfCharactersPerLineLandscape - ATxt.Length) / 2;
}
break;
case eAlignment.eLeft:
XPos = 0;
break;
case eAlignment.eRight:
if (FOrientation == eOrientation.ePortrait)
{
XPos = (Int16)(NumberOfCharactersPerLinePortrait - ATxt.Length);
}
else
{
XPos = (Int16)(NumberOfCharactersPerLineLandscape - ATxt.Length);
}
break;
}
Print(XPos, Convert.ToInt32(CurrentYPos), ATxt);
return ReturnValue;
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// this method uses FCurrentXPos and FCurrentYPos to be able to continue a paragraph
/// uses FCurrentXPos and FCurrentYPos to know where to start to print, and also sets
/// valid values in those member variables
/// </summary>
/// <returns>true if any text was printed</returns>
public override bool PrintStringWrap(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
int PreviousLength = -1;
while (ATxt.Length > 0)
{
Int32 length = -1;
PreviousLength = ATxt.Length;
if (FPrinterBehaviour == ePrinterBehaviour.eFormLetter)
{
length = GetTextLengthThatWillFit(ATxt, AFont, AXPos + AWidth - CurrentXPos);
}
else if (FPrinterBehaviour == ePrinterBehaviour.eReport)
{
length = GetTextLengthThatWillFit(ATxt, AFont, AWidth);
}
if (FCurrentState.FNoWrap)
{
length = ATxt.Length;
}
if (length > 0)
{
string toPrint = ATxt.Substring(0, length);
ATxt = ATxt.Substring(length);
if (FPrinterBehaviour == ePrinterBehaviour.eFormLetter)
{
PrintString(toPrint, AFont, CurrentXPos, AWidth, AAlign);
}
else if (FPrinterBehaviour == ePrinterBehaviour.eReport)
{
PrintString(toPrint, AFont, AXPos, AWidth, AAlign);
}
CurrentXPos += GetWidthString(toPrint, AFont);
if (ATxt.Length > 0)
{
// there is still more to come, we need a new line
CurrentXPos = AXPos;
LineFeed(); // will use the biggest used font, and reset it
}
}
else if ((ATxt.Length > 0) && (CurrentXPos != AXPos))
{
// the first word did not fit the space; needs a new line
CurrentXPos = AXPos;
LineFeed();
}
if (ATxt.Length == PreviousLength)
{
TLogging.Log("No space for " + ATxt);
return(false);
}
}
if (FPrinterBehaviour == ePrinterBehaviour.eReport)
{
CurrentXPos = 0;
}
return(true);
}
/// <summary>
/// prints into the current line, absolute x position
/// </summary>
/// <returns>true if something was printed
/// </returns>
public override Boolean PrintString(String ATxt, eFont AFont, float AXPos)
{
Boolean ReturnValue;
ReturnValue = (ATxt.Length != 0);
Print(Convert.ToInt32(AXPos), Convert.ToInt32(CurrentYPos), ATxt);
return ReturnValue;
}
/// <summary>
/// This function uses the normal DrawString function to print into a given space.
/// It will return whether the text did fit that space or not.
///
/// </summary>
/// <param name="ATxt"></param>
/// <param name="AFont"></param>
/// <param name="AXPos"></param>
/// <param name="AWidth"></param>
/// <param name="AAlign"></param>
/// <returns></returns>
public override Boolean PrintStringAndFits(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
PrintString(ATxt, AFont, AXPos, AWidth, AAlign);
return(GetWidthString(ATxt, AFont) <= AWidth);
}
/// <summary>
/// Check if the text will fit into the given width. If yes, the text will be returned.
/// If no, the text will be shortened and a "..." will be added to indicate that some text is missing.
/// </summary>
/// <param name="ATxt">the original text</param>
/// <param name="AFont">the font</param>
/// <param name="AWidth">the space available for the text in cm</param>
/// <returns>The input text. Either unmodified or shortened.</returns>
protected String GetFittedText(String ATxt, eFont AFont, float AWidth)
{
String ReturnValue = "";
if (GetWidthString(ATxt, AFont) <= AWidth)
{
// The whole text fits into the available space
ReturnValue = ATxt;
}
else
{
// We have to cut the text
float WidthDotDotDot = GetWidthString("...", AFont);
float WidthForText = AWidth - WidthDotDotDot;
if (WidthForText <= 0.0)
{
// only space for ...
ReturnValue = "...";
}
else
{
ReturnValue = CutTextToLength(ATxt, AFont, WidthForText) + "...";
}
}
return ReturnValue;
}
/// <summary>
/// prints into the current line, into the given column
/// </summary>
/// <param name="ATxt"></param>
/// <param name="AFont"></param>
/// <returns>Return the width of the string, if it was printed in one line, using the given Font</returns>
public override float GetWidthString(String ATxt, eFont AFont)
{
return(0.0f);
}
/// <summary>
/// word wrap text, return the number of characters that fit the line width
/// </summary>
/// <param name="ATxt"></param>
/// <param name="AFont"></param>
/// <param name="AWidth"></param>
/// <param name="firstWordLength">returns the length of the first word; this is needed if even the first word does not fit</param>
/// <returns>void</returns>
protected Int32 GetTextLengthThatWillFit(String ATxt, eFont AFont, float AWidth, out Int32 firstWordLength)
{
// see also http://www.codeguru.com/vb/gen/vb_misc/printing/article.php/c11233
string buffer = ATxt;
string fittingText = "";
char[] whitespace = new char[] {
' ', '\t', '\r', '\n', '-', ','
};
string previousWhitespace = "";
Int32 result = 0;
firstWordLength = 0;
while (GetWidthString(fittingText, AFont) < AWidth)
{
result = fittingText.Length + previousWhitespace.Length;
if (buffer.Length == 0)
{
return result;
}
Int32 indexWhitespace = buffer.IndexOfAny(whitespace);
if (indexWhitespace >= 0)
{
string nextWord = buffer.Substring(0, indexWhitespace);
fittingText += previousWhitespace + nextWord;
previousWhitespace = buffer[indexWhitespace].ToString();
buffer = buffer.Substring(indexWhitespace + 1);
}
else // no whitespace left
{
fittingText += previousWhitespace + buffer;
previousWhitespace = "";
buffer = "";
}
if (firstWordLength == 0)
{
firstWordLength = fittingText.Length + previousWhitespace.Length;
}
}
if (result == 0)
{
// the first word is to long; Let's split the word
for (int Counter = 0; Counter < ATxt.Length; ++Counter)
{
fittingText = ATxt.Substring(0, Counter);
if (GetWidthString(fittingText, AFont) >= AWidth)
{
result = fittingText.Length - 1;
break;
}
}
}
return result;
}
/// <summary>
/// Draws a line, either above or below the current text line
/// the font is required to get the height of the row
/// </summary>
/// <param name="AXPos1"></param>
/// <param name="AXPos2"></param>
/// <param name="ALinePosition"></param>
/// <param name="AFont"></param>
/// <returns></returns>
public override Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont)
{
return(false);
}
/// <summary>
/// Return the width of the string, if it was printed in one line, using the given Font
///
/// </summary>
/// <returns>void</returns>
public override float GetWidthString(String ATxt, eFont AFont)
{
return ATxt.Length;
}
/// <summary>
/// Reverse Line Feed; decreases the current y position by the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineUnFeed(eFont AFont)
{
return(CurrentYPos);
}
private XFont GetXFont(eFont AFont)
{
XFont ReturnValue = FXDefaultFont;
switch (AFont)
{
case eFont.eDefaultFont:
ReturnValue = FXDefaultFont;
break;
case eFont.eDefaultBoldFont:
ReturnValue = FXDefaultBoldFont;
break;
case eFont.eHeadingFont:
ReturnValue = FXHeadingFont;
break;
case eFont.eSmallPrintFont:
ReturnValue = FXSmallPrintFont;
break;
case eFont.eBarCodeFont:
ReturnValue = FXBarCodeFont;
break;
}
Font gFont = GetFont(AFont);
string id = ReturnValue.FontFamily.Name + gFont.SizeInPoints.ToString() + gFont.Style.ToString();
if (!FXFontCache.ContainsKey(id))
{
XPdfFontOptions options = new XPdfFontOptions(PdfFontEncoding.Unicode, PdfFontEmbedding.Always);
FXFontCache.Add(id, new XFont(ReturnValue.FontFamily.Name, Point(gFont.SizeInPoints /*+XFONTSIZE*/), ReturnValue.Style, options));
}
ReturnValue = FXFontCache[id];
return ReturnValue;
}
/// <summary>
/// Set the space that is required by the page footer.
/// ValidYPos will consider this value.
///
/// </summary>
/// <returns>void</returns>
public override void SetPageFooterSpace(System.Int32 ANumberOfLines, eFont AFont)
{
}
private RectangleF CalculatePrintStringRectangle(float ALeft, float ATop, float AWidth, eFont AFont)
{
float MyYPos = ATop;
if (Environment.OSVersion.ToString().StartsWith("Unix"))
{
// on Mono/Unix, we have problems with the y position being too high on the page
MyYPos += GetFontHeight(AFont);
}
return new RectangleF(ALeft, MyYPos, AWidth, GetFontHeight(AFont) + 0.2f);
}
private XRect CalculatePrintStringRectangle(float ALeft, float ATop, float AWidth, eFont AFont)
{
float MyYPos = ATop;
if (Environment.OSVersion.ToString().StartsWith("Unix"))
{
// on Mono/Unix, we have problems with the y position being too high on the page
MyYPos += GetFontHeight(AFont);
}
return(new XRect(ALeft, MyYPos, AWidth, GetFontHeight(AFont) + 0.2f));
}
/// <summary>
/// prints into the current line, absolute x position
///
/// </summary>
public override Boolean PrintString(String ATxt, eFont AFont, float AXPos)
{
if (PrintingMode == ePrintingMode.eDoPrint)
{
FXGraphics.DrawString(ATxt, GetXFont(AFont), Brushes.Black, AXPos, CurrentYPos);
}
return (ATxt != null) && (ATxt.Length != 0);
}
/// <summary> /// prints into the current line, absolute x position with width and alignment /// </summary> /// <returns>true if something was printed /// </returns> public abstract bool PrintString(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign);
/// <summary>
/// Draws a line, either above or below the current text line
/// the font is required to get the height of the row
/// </summary>
/// <param name="AXPos1"></param>
/// <param name="AXPos2"></param>
/// <param name="ALinePosition"></param>
/// <param name="AFont"></param>
/// <returns></returns>
public override Boolean DrawLine(float AXPos1, float AXPos2, eLinePosition ALinePosition, eFont AFont)
{
float YPos;
YPos = CurrentYPos;
if (ALinePosition == eLinePosition.eBelow)
{
YPos = CurrentYPos + GetFontHeight(AFont);
}
else if (ALinePosition == eLinePosition.eAbove)
{
YPos = CurrentYPos;
}
if (AXPos1 != LeftMargin)
{
// lines above/below columns should not touch
AXPos1 = AXPos1 + Cm(0.3f);
}
if (PrintingMode == ePrintingMode.eDoPrint)
{
FXGraphics.DrawLine(FXBlackPen, AXPos1, YPos, AXPos2, YPos);
}
return true;
}
/// <summary>
/// prints into the current line, absolute x position with width and alignment
/// this method uses FCurrentXPos and FCurrentYPos to be able to continue a paragraph
/// uses FCurrentXPos and FCurrentYPos to know where to start to print, and also sets
/// valid values in those member variables
/// </summary>
/// <returns>s bool true if any text was printed</returns>
public virtual bool PrintStringWrap(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign)
{
return false;
}
/// <summary>
/// prints into the current line, into the given column
/// </summary>
/// <param name="ATxt"></param>
/// <param name="AFont"></param>
/// <returns>Return the width of the string, if it was printed in one line, using the given Font</returns>
public override float GetWidthString(String ATxt, eFont AFont)
{
// somehow, on Linux we need to use base.GetWidthString.
// on Windows, base.GetWidthString is too long.
if (Environment.OSVersion.ToString().StartsWith("Unix"))
{
// FXGraphics.MeasureString seems to be useless on Mono/Unix.
// it returns 0 for single letters, for more letters there is a huge factor of difference to the desired value
return base.GetWidthString(ATxt, AFont);
}
return (float)FXGraphics.MeasureString(ATxt, GetXFont(AFont), XStringFormats.Default).Width;
}
/// <summary> /// This function uses the normal DrawString function to print into a given space. /// </summary> /// <returns>whether the text did fit that space or not. /// </returns> public abstract Boolean PrintStringAndFits(String ATxt, eFont AFont, float AXPos, float AWidth, eAlignment AAlign);
/// <summary>
/// Reverse Line Feed; decreases the current y position by the height of the given font
/// </summary>
/// <returns>the new current line
/// </returns>
public override float LineUnFeed(eFont AFont)
{
CurrentYPos = CurrentYPos - GetFontHeight(AFont);
return CurrentYPos;
}
/// <summary> /// Line Feed, but not full line; increases the current y position by half the height of the given font /// </summary> /// <returns>the new current line /// </returns> public abstract float LineSpaceFeed(eFont AFont);