private void DrawBackground(Graphics g, System.DrawingCore.RectangleF rect, StyleInfo si)
{
LinearGradientBrush linGrBrush = null;
SolidBrush sb = null;
try
{
if (si.BackgroundGradientType != BackgroundGradientTypeEnum.None &&
!si.BackgroundGradientEndColor.IsEmpty &&
!si.BackgroundColor.IsEmpty)
{
Color c = si.BackgroundColor;
Color ec = si.BackgroundGradientEndColor;
switch (si.BackgroundGradientType)
{
case BackgroundGradientTypeEnum.LeftRight:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.TopBottom:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Vertical);
break;
case BackgroundGradientTypeEnum.Center:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.DiagonalLeft:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.ForwardDiagonal);
break;
case BackgroundGradientTypeEnum.DiagonalRight:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.BackwardDiagonal);
break;
case BackgroundGradientTypeEnum.HorizontalCenter:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.VerticalCenter:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Vertical);
break;
default:
break;
}
}
if (linGrBrush != null)
{
g.FillRectangle(linGrBrush, rect);
linGrBrush.Dispose();
}
else if (!si.BackgroundColor.IsEmpty)
{
sb = new SolidBrush(si.BackgroundColor);
g.FillRectangle(sb, rect);
sb.Dispose();
}
}
finally
{
if (linGrBrush != null)
{
linGrBrush.Dispose();
}
if (sb != null)
{
sb.Dispose();
}
}
return;
}
private void DrawImageSized(PageImage pi, System.DrawingCore.Image im, System.DrawingCore.Graphics g, System.DrawingCore.RectangleF r)
{
float height, width; // some work variables
StyleInfo si = pi.SI;
// adjust drawing rectangle based on padding
System.DrawingCore.RectangleF r2 = new System.DrawingCore.RectangleF(r.Left + PixelsX(si.PaddingLeft),
r.Top + PixelsY(si.PaddingTop),
r.Width - PixelsX(si.PaddingLeft + si.PaddingRight),
r.Height - PixelsY(si.PaddingTop + si.PaddingBottom));
System.DrawingCore.Rectangle ir; // int work rectangle
switch (pi.Sizing)
{
case ImageSizingEnum.AutoSize:
// Note: GDI+ will stretch an image when you only provide
// the left/top coordinates. This seems pretty stupid since
// it results in the image being out of focus even though
// you don't want the image resized.
if (g.DpiX == im.HorizontalResolution &&
g.DpiY == im.VerticalResolution)
{
ir = new System.DrawingCore.Rectangle(Convert.ToInt32(r2.Left), Convert.ToInt32(r2.Top),
im.Width, im.Height);
}
else
{
ir = new System.DrawingCore.Rectangle(Convert.ToInt32(r2.Left), Convert.ToInt32(r2.Top),
Convert.ToInt32(r2.Width), Convert.ToInt32(r2.Height));
}
g.DrawImage(im, ir);
break;
case ImageSizingEnum.Clip:
Region saveRegion = g.Clip;
Region clipRegion = new Region(g.Clip.GetRegionData());
clipRegion.Intersect(r2);
g.Clip = clipRegion;
if (g.DpiX == im.HorizontalResolution &&
g.DpiY == im.VerticalResolution)
{
ir = new System.DrawingCore.Rectangle(Convert.ToInt32(r2.Left), Convert.ToInt32(r2.Top),
im.Width, im.Height);
}
else
{
ir = new System.DrawingCore.Rectangle(Convert.ToInt32(r2.Left), Convert.ToInt32(r2.Top),
Convert.ToInt32(r2.Width), Convert.ToInt32(r2.Height));
}
g.DrawImage(im, ir);
g.Clip = saveRegion;
break;
case ImageSizingEnum.FitProportional:
float ratioIm = (float)im.Height / (float)im.Width;
float ratioR = r2.Height / r2.Width;
height = r2.Height;
width = r2.Width;
if (ratioIm > ratioR)
{ // this means the rectangle width must be corrected
width = height * (1 / ratioIm);
}
else if (ratioIm < ratioR)
{ // this means the ractangle height must be corrected
height = width * ratioIm;
}
r2 = new RectangleF(r2.X, r2.Y, width, height);
g.DrawImage(im, r2);
break;
case ImageSizingEnum.Fit:
default:
g.DrawImage(im, r2);
break;
}
return;
}
private void DrawBackground(Graphics g, System.DrawingCore.RectangleF rect, StyleInfo si)
{
LinearGradientBrush linGrBrush = null;
SolidBrush sb = null;
HatchBrush hb = null;
try
{
if (si.BackgroundGradientType != BackgroundGradientTypeEnum.None &&
!si.BackgroundGradientEndColor.IsEmpty &&
!si.BackgroundColor.IsEmpty)
{
Color c = si.BackgroundColor;
Color ec = si.BackgroundGradientEndColor;
switch (si.BackgroundGradientType)
{
case BackgroundGradientTypeEnum.LeftRight:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.TopBottom:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Vertical);
break;
case BackgroundGradientTypeEnum.Center:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.DiagonalLeft:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.ForwardDiagonal);
break;
case BackgroundGradientTypeEnum.DiagonalRight:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.BackwardDiagonal);
break;
case BackgroundGradientTypeEnum.HorizontalCenter:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Horizontal);
break;
case BackgroundGradientTypeEnum.VerticalCenter:
linGrBrush = new LinearGradientBrush(rect, c, ec, LinearGradientMode.Vertical);
break;
default:
break;
}
}
if (si.PatternType != patternTypeEnum.None)
{
switch (si.PatternType)
{
case patternTypeEnum.BackwardDiagonal:
hb = new HatchBrush(HatchStyle.BackwardDiagonal, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.CheckerBoard:
hb = new HatchBrush(HatchStyle.LargeCheckerBoard, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.Cross:
hb = new HatchBrush(HatchStyle.Cross, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.DarkDownwardDiagonal:
hb = new HatchBrush(HatchStyle.DarkDownwardDiagonal, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.DarkHorizontal:
hb = new HatchBrush(HatchStyle.DarkHorizontal, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.DiagonalBrick:
hb = new HatchBrush(HatchStyle.DiagonalBrick, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.HorizontalBrick:
hb = new HatchBrush(HatchStyle.HorizontalBrick, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.LargeConfetti:
hb = new HatchBrush(HatchStyle.LargeConfetti, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.OutlinedDiamond:
hb = new HatchBrush(HatchStyle.OutlinedDiamond, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.SmallConfetti:
hb = new HatchBrush(HatchStyle.SmallConfetti, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.SolidDiamond:
hb = new HatchBrush(HatchStyle.SolidDiamond, si.Color, si.BackgroundColor);
break;
case patternTypeEnum.Vertical:
hb = new HatchBrush(HatchStyle.Vertical, si.Color, si.BackgroundColor);
break;
}
}
if (linGrBrush != null)
{
g.FillRectangle(linGrBrush, rect);
linGrBrush.Dispose();
}
else if (hb != null)
{
g.FillRectangle(hb, rect);
hb.Dispose();
}
else if (!si.BackgroundColor.IsEmpty)
{
sb = new SolidBrush(si.BackgroundColor);
g.FillRectangle(sb, rect);
sb.Dispose();
}
}
finally
{
if (linGrBrush != null)
{
linGrBrush.Dispose();
}
if (sb != null)
{
sb.Dispose();
}
}
return;
}
//drawstring justified with paragraph format
public static void DrawStringJustified(System.DrawingCore.Graphics graphics, string s, System.DrawingCore.Font font, System.DrawingCore.Brush brush, System.DrawingCore.RectangleF layoutRectangle, char paragraphFormat)
{
try
{
//save the current state of the graphics handle
GraphicsState graphicsState = graphics.Save();
//obtain the font height to be used as line height
double lineHeight = (double)Math.Round(font.GetHeight(graphics), 1);
//string builder to format the text
StringBuilder text = new StringBuilder(s);
var originalFont = new System.DrawingCore.Font(font.FontFamily, font.Size, font.Style);
//adjust the text string to ease detection of carriage returns
text = text.Replace("\r\n", " <CR> ");
text = text.Replace("\r", " <CR> ");
text.Append(" <CR> ");
//ensure measure string will bring the best measures possible (antialias)
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//create a string format object with the generic typographic to obtain the most accurate string measurements
//strange, but the recommended for this case is to use a "cloned" stringformat
var stringFormat = (System.DrawingCore.StringFormat)System.DrawingCore.StringFormat.GenericTypographic.Clone();
//allow the correct measuring of spaces
stringFormat.FormatFlags = System.DrawingCore.StringFormatFlags.MeasureTrailingSpaces;
//create a stringformat for leftalignment
System.DrawingCore.StringFormat leftAlignHandle = new System.DrawingCore.StringFormat();
leftAlignHandle.LineAlignment = System.DrawingCore.StringAlignment.Near;
//create a stringformat for rightalignment
System.DrawingCore.StringFormat rightAlignHandle = new System.DrawingCore.StringFormat();
rightAlignHandle.LineAlignment = System.DrawingCore.StringAlignment.Far;
//measure space for the given font
var stringSize = graphics.MeasureString(" ", font, layoutRectangle.Size, stringFormat);
double spaceWidth = stringSize.Width + 1;
//measure paragraph format for the given font
double paragraphFormatWidth = 0;
if (paragraphFormat != ' ')
{
var paragraphFormatSize = graphics.MeasureString(paragraphFormat.ToString(), new System.DrawingCore.Font(font.FontFamily, font.Size, System.DrawingCore.FontStyle.Regular), layoutRectangle.Size, stringFormat);
paragraphFormatWidth = paragraphFormatSize.Width;
}
//total word count
int totalWords = Regex.Matches(text.ToString(), " ").Count;
//array of words
ArrayList words = new ArrayList();
//measure each word
int n = 0;
while (true)
{
//original word
string word = Regex.Split(text.ToString(), " ").GetValue(n).ToString();
//add to words array the word without tags
words.Add(new Word(word.Replace("<b>", "").Replace("</b>", "").Replace("<i>", "").Replace("</i>", "")));
//marque to start bolding or/and italic
if (word.ToLower().Contains("<b>") && word.ToLower().Contains("<i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold & System.DrawingCore.FontStyle.Italic);
}
else if (word.ToLower().Contains("<b>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (word.ToLower().Contains("<i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
Word currentWord = (Word)words[n];
currentWord.StartBold = word.ToLower().Contains("<b>");
currentWord.StopBold = word.ToLower().Contains("</b>");
currentWord.StartItalic = word.ToLower().Contains("<i>");
currentWord.StopItalic = word.ToLower().Contains("</i>");
//size of the word
var wordSize = graphics.MeasureString(currentWord.String, font, layoutRectangle.Size, stringFormat);
float wordWidth = wordSize.Width;
if (wordWidth > layoutRectangle.Width && currentWord.String != "<CR>")
{
int reduce = 1;
while (true)
{
int lengthChars = (int)Math.Round(currentWord.String.Length / (wordWidth / layoutRectangle.Width), 0) - reduce;
string cutWord = currentWord.String.Substring(0, lengthChars);
//the new size of the word
wordSize = graphics.MeasureString(cutWord, font, layoutRectangle.Size, stringFormat);
wordWidth = wordSize.Width;
//update the word string
((Word)words[n]).String = cutWord;
//add new word
if (wordWidth <= layoutRectangle.Width)
{
totalWords++;
words.Add(new Word("", 0,
currentWord.StartBold, currentWord.StopBold,
currentWord.StartItalic, currentWord.StopItalic));
text.Replace(currentWord.String, cutWord + " " + currentWord.String.Substring(lengthChars + 1), 0, 1);
break;
}
reduce++;
}
}
//update the word size
((Word)words[n]).Length = wordWidth;
//marque to stop bolding or/and italic
if (word.ToLower().Contains("</b>") && font.Style == System.DrawingCore.FontStyle.Italic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
else if (word.ToLower().Contains("</i>") && font.Style == System.DrawingCore.FontStyle.Bold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (word.ToLower().Contains("</b>") || word.ToLower().Contains("</i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
n++;
if (n > totalWords - 1)
{
break;
}
}
//before we start drawing, its wise to restore ou graphics objecto to its original state
graphics.Restore(graphicsState);
//restore to font to the original values
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, originalFont.Style);
//start drawing word by word
int currentLine = 0;
for (int i = 0; i < totalWords; i++)
{
bool endOfSentence = false;
double wordsWidth = 0;
int wordsInLine = 0;
int j = i;
for (j = i; j < totalWords; j++)
{
if (((Word)words[j]).String == "<CR>")
{
endOfSentence = true;
break;
}
wordsWidth += ((Word)words[j]).Length + spaceWidth;
if (wordsWidth > layoutRectangle.Width && j > i)
{
wordsWidth = wordsWidth - ((Word)words[j]).Length - (spaceWidth * wordsInLine);
break;
}
wordsInLine++;
}
if (j > totalWords)
{
endOfSentence = true;
}
double widthOfBetween = 0;
if (endOfSentence)
{
widthOfBetween = spaceWidth;
}
else
{
widthOfBetween = (layoutRectangle.Width - wordsWidth) / (wordsInLine - 1);
}
double currentTop = layoutRectangle.Top + (int)(currentLine * lineHeight);
if (currentTop > (layoutRectangle.Height + layoutRectangle.Top))
{
i = totalWords;
break;
}
double currentLeft = layoutRectangle.Left;
bool lastWord = false;
for (int currentWord = 0; currentWord < wordsInLine; currentWord++)
{
bool loop = false;
if (((Word)words[i]).String == "<CR>")
{
i++;
loop = true;
}
if (!loop)
{
//last word in sentence
if (currentWord == wordsInLine && !endOfSentence)
{
lastWord = true;
}
if (wordsInLine == 1)
{
currentLeft = layoutRectangle.Left;
lastWord = false;
}
System.DrawingCore.RectangleF rectangleF;
System.DrawingCore.StringFormat stringFormatHandle;
if (lastWord)
{
rectangleF = new System.DrawingCore.RectangleF(layoutRectangle.Left, (float)currentTop, layoutRectangle.Width, (float)(currentTop + lineHeight));
stringFormatHandle = rightAlignHandle;
}
else
{
//lets zero size for word to drawstring auto-size de word
rectangleF = new System.DrawingCore.RectangleF((float)currentLeft, (float)currentTop, 0, 0);
stringFormatHandle = leftAlignHandle;
}
//start bolding and/or italic
if (((Word)words[i]).StartBold && ((Word)words[i]).StartItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold & System.DrawingCore.FontStyle.Italic);
}
else if (((Word)words[i]).StartBold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (((Word)words[i]).StartItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
//draw the word
graphics.DrawString(((Word)words[i]).String, font, brush, rectangleF, stringFormatHandle);
//stop bolding and/or italic
if (((Word)words[i]).StopBold && font.Style == System.DrawingCore.FontStyle.Italic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
else if (((Word)words[i]).StopItalic && font.Style == System.DrawingCore.FontStyle.Bold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (((Word)words[i]).StopBold || ((Word)words[i]).StopItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
//paragraph formating
if (endOfSentence && currentWord == wordsInLine - 1 && paragraphFormat != ' ')
{
currentLeft += ((Word)words[i]).Length;
//draw until end of line
while (currentLeft + paragraphFormatWidth <= layoutRectangle.Left + layoutRectangle.Width)
{
rectangleF = new System.DrawingCore.RectangleF((float)currentLeft, (float)currentTop, 0, 0);
//draw the paragraph format
graphics.DrawString(paragraphFormat.ToString(), font, brush, rectangleF, stringFormatHandle);
currentLeft += paragraphFormatWidth;
}
}
else
{
currentLeft += ((Word)words[i]).Length + widthOfBetween;
}
//go to next word
i++;
}
}
currentLine++;
if (i >= totalWords)
{
break;
}
//compensate endfor
if (((Word)words[i]).String != "<CR>")
{
i--;
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
//drawstring justified without paragraph format
public static void DrawStringJustified(System.DrawingCore.Graphics graphics, string s, System.DrawingCore.Font font, System.DrawingCore.Brush brush, System.DrawingCore.RectangleF layoutRectangle)
{
DrawStringJustified(graphics, s, font, brush, layoutRectangle, ' ');
}
/// <summary>
/// Grabs a sub-section clone of the wrapped image.
/// </summary>
/// <param name="rect">The rectangle to cut from.</param>
/// <param name="format">The PixelFomat to use.</param>
/// <returns>A sub-bitmap object.</returns>
public Bitmap Clone(RectangleF rect, PixelFormat format)
{
return(Image.Clone(rect, format));
}
