/// <summary>
/// Creates a bitmap from text
/// http://chiragrdarji.wordpress.com/2008/05/09/generate-image-from-text-using-c-or-convert-text-in-to-image-using-c/
/// </summary>
/// <param name="sImageText"></param>
/// <param name="sTitle"></param>
/// <param name="style">What should it look like?</param>
/// <param name="nLength">How much text to show, -1 means full length</param>
/// <returns></returns>
public static Bitmap CreateBitmapImageFromText(string sTitle, string sImageText,
FromTextStyles style, int nLength, TextToImageAppearance appearance, Image backImage)
{
if (sTitle == null || sImageText == null)
{
throw new Exception("Create Bitmap IMage from text You must supply both text and a title");
}
// truncate text based on limit
if (nLength != -1)
{
if (nLength > sImageText.Length)
{
nLength = sImageText.Length;
}
sImageText = sImageText.Substring(0, nLength);
}
Bitmap objBmpImage = new Bitmap(1, 1);
int intWidth = 0;
int intHeight = 0;
Color background = Color.Black;
Color textcolor = Color.Black;
Font objFont = null;
Font titleFont = null;
// appearance is passed in
if (appearance == null)
{
appearance = new TextToImageAppearance();
}
appearance.Set(style);
objFont = new Font(appearance.MainTextFont, appearance.MainTextFont.Style);
titleFont = new Font(appearance.TitleFont, appearance.TitleFont.Style);
background = appearance.BackgroundColor;
textcolor = appearance.TextColor;
if (objFont == null || titleFont == null)
{
//Logs.Line("GeneralImage.CreateBitmapImageFromText", "FromText font null","", Logs.CRITICAL);
lg.Instance.Line("CreateBitMapImageFromText", ProblemType.WARNING, "FromText font null");
return null;
}
// Create the Font object for the image text drawing.
// Create a graphics object to measure the text's width and height.
Graphics objGraphics = Graphics.FromImage(objBmpImage);
// This is where the bitmap size is determined.
intWidth = Math.Max((int)objGraphics.MeasureString(sImageText, objFont).Width,
((int)objGraphics.MeasureString(sTitle, titleFont).Width));
intHeight = ((int)objGraphics.MeasureString(sImageText, objFont).Height)
+ ((int)objGraphics.MeasureString(sTitle, titleFont).Height);
// Create the bmpImage again with the correct size for the text and font.
objBmpImage = new Bitmap(objBmpImage, new Size(intWidth, intHeight));
// Add the colors to the new bitmap.
objGraphics = Graphics.FromImage(objBmpImage);
// Set Background color
objGraphics.Clear(background);
/* Gradient Test */
if (backImage != null)
{
// ImageAttributes attr = new ImageAttributes();
// attr.
objGraphics.DrawImage(backImage, 0, 0, intWidth, intHeight);
}
else //back image is mutually exclusive with gradient
if (appearance.IsGradient == true)
{ // Create a diagonal linear gradient with four stops.
Rectangle rect = new Rectangle(0, 0, intWidth, intHeight);
Color gradientColorOne = appearance.GradientColor1;
Color gradientColorTwo = appearance.GradientColor2;
// Dispose of brush resources after use
using (LinearGradientBrush lgb = new LinearGradientBrush(rect,
gradientColorOne, gradientColorTwo, appearance.mLinearGradientMode))
objGraphics.FillRectangle(lgb, rect);
}
/* end gradient test*/
objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
objGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
objGraphics.DrawString(sTitle, titleFont, new SolidBrush(appearance.TitleColor), 0, 0);
// put the body of the text below the title
objGraphics.DrawString(sImageText, objFont, new SolidBrush(textcolor), 0,
((int)objGraphics.MeasureString(sTitle, titleFont).Height));
objGraphics.Flush();
return (objBmpImage);
}
/// <summary>
/// sets the appearance to a predefined style
/// </summary>
/// <param name="style"></param>
public TextToImageAppearance Set(FromTextStyles style)
{
try
{
switch (style)
{
case FromTextStyles.NEWSPAPER:
{
this.TitleFont = new Font("Arial", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-2302756);
this.TextColor = Color.FromArgb(-10066330);
this.MainTextFont = new Font("Arial", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-10066330);
this.FrameColor = Color.FromArgb(-657931);
this.LeftWidth = 5;
this.TopWidth = 5;
this.BottomWidth = 5;
this.RightWidth = 5;
this.ResizeWidth = 5;
this.IsGradient = true;
this.GradientColor1 = Color.FromArgb(-657931);
this.GradientColor2 = Color.FromArgb(-2302756);
this.mLinearGradientMode = LinearGradientMode.ForwardDiagonal;
this.frameGradient = Color.FromArgb(-2039584);
}
break;
case FromTextStyles.NOTEPAD:
{
this.TitleFont = new Font("Arial", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-256);
this.TextColor = Color.FromArgb(-16777216);
this.MainTextFont = new Font("Microsoft Sans Serif", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-16777216);
this.FrameColor = Color.FromArgb(-256);
this.LeftWidth = 1;
this.TopWidth = 1;
this.BottomWidth = 1;
this.RightWidth = 1;
this.ResizeWidth = 1;
this.IsGradient = true;
this.GradientColor1 = Color.FromArgb(-32);
this.GradientColor2 = Color.FromArgb(-256);
this.mLinearGradientMode = LinearGradientMode.ForwardDiagonal;
} break;
case FromTextStyles.PAPER:
{
BackImageResourceName = "CoreUtilities.Resources.lined4.jpg";
this.TitleFont = new Font("Monotype Corsiva", 24, System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(16777215);
this.TextColor = Color.FromArgb(-12490271);
this.MainTextFont = new Font("Monotype Corsiva", 20, System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-16777088);
this.FrameColor = Color.FromArgb(-16777216);
this.LeftWidth = 1;
this.TopWidth = 1;
this.BottomWidth = 1;
this.RightWidth = 1;
this.ResizeWidth = 10;
this.IsGradient = false;
this.GradientColor1 = Color.FromArgb(0);
this.GradientColor2 = Color.FromArgb(0);
this.mLinearGradientMode = LinearGradientMode.Horizontal;
this.frameGradient = Color.FromArgb(0);
} break;
case FromTextStyles.BLUETAG:
{
this.TitleFont = new Font("Arial", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-657931);
this.TextColor = Color.FromArgb(-657931);
this.MainTextFont = new Font("Arial", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-7876885);
this.FrameColor = Color.FromArgb(-15132304);
this.LeftWidth = 30;
this.TopWidth = 1;
this.BottomWidth = 1;
this.RightWidth = 1;
this.ResizeWidth = 1;
this.IsGradient = true;
this.GradientColor1 = Color.FromArgb(-16777216);
this.GradientColor2 = Color.FromArgb(-15132304);
this.mLinearGradientMode = LinearGradientMode.Horizontal;
this.frameGradient = Color.FromArgb(-10185235);
} break;
case FromTextStyles.POLAROID:
{
this.TitleFont = new Font("Arial", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-1);
this.TextColor = Color.FromArgb(-657931);
this.MainTextFont = new Font("Times New Roman", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-657931);
this.FrameColor = Color.FromArgb(-657931);
this.LeftWidth = 5;
this.TopWidth = 10;
this.BottomWidth = 50;
this.RightWidth = 5;
this.ResizeWidth = 10;
this.IsGradient = true;
this.GradientColor1 = Color.FromArgb(-16777216);
this.GradientColor2 = Color.FromArgb(-9868951);
this.mLinearGradientMode = LinearGradientMode.Horizontal;
this.frameGradient = Color.FromArgb(-657931);
} break;
case FromTextStyles.JUSTGRADIENT:
{
this.TitleFont = new Font("Arial", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-657931);
this.TextColor = Color.FromArgb(-657931);
this.MainTextFont = new Font("Arial", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-7876885);
this.FrameColor = Color.FromArgb(-15132304);
this.LeftWidth = 40;
this.TopWidth = 10;
this.BottomWidth = 10;
this.RightWidth = 10;
this.ResizeWidth = 1;
this.IsGradient = true;
this.GradientColor1 = Color.FromArgb(-16777216);
this.GradientColor2 = Color.FromArgb(-15132304);
this.mLinearGradientMode = LinearGradientMode.Horizontal;
this.frameGradient = Color.FromArgb(-32640);
} break;
case FromTextStyles.CORK:
{
this.TitleFont = new Font("Times New Roman", 24, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.BackgroundColor = Color.FromArgb(-16776961);
this.TextColor = Color.FromArgb(-5171);
this.MainTextFont = new Font("Trebuchet MS", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
this.TitleColor = Color.FromArgb(-2039584);
this.FrameColor = Color.FromArgb(-16777216);
this.LeftWidth = 1;
this.TopWidth = 1;
this.BottomWidth = 1;
this.RightWidth = 1;
this.ResizeWidth = 10;
this.IsGradient = false;
this.GradientColor1 = Color.FromArgb(0);
this.GradientColor2 = Color.FromArgb(0);
this.mLinearGradientMode = LinearGradientMode.Horizontal;
this.frameGradient = Color.FromArgb(0);
BackImageResourceName = "CoreUtilities.Resources.corksource5.jpg";
}
break;
case FromTextStyles.CUSTOM:
{
// do nothing, will be assumed that the user has done something with this.
}
break;
}
}
catch (Exception ex)
{
lg.Instance.Line("GeneralImages.Set", ProblemType.EXCEPTION, ex.ToString());
}
return this;
}
