public static string RenderToFile(BaseTextVObject vObject, float dpi)
{
var fileId = CreateFileId(vObject.GetMD5(dpi));
if (Configuration.FileCache.FileExists(fileId))
{
return(fileId);
}
try
{
var bitmap = GetTextBitmap(vObject, dpi, out fileId);
Configuration.FileCache.WriteToStream(fileId, stream =>
{
bitmap.Save(stream, Common.GetWriterSettings(_fileFormat));
bitmap.Dispose();
});
}
catch (Exception)
{
Configuration.FileCache.RemoveFile(fileId);
throw;
}
return(fileId);
}
private static string GetSpanStyle(ITextSettings span, BaseTextVObject text)
{
var style = new StringBuilder();
if (span.FontName != text.Font.PostScriptName)
{
style.AppendFormat("font-name:{0};", span.FontName);
}
if (span.FauxBold)
{
style.Append("bold:true;");
}
if (span.FauxItalic)
{
style.Append("italic:true;");
}
if (span.Underline != text.Underline)
{
style.AppendFormat("underline:{0};", span.Underline.ToString(CultureInfo.InvariantCulture).ToLower(CultureInfo.CurrentCulture));
}
var spanColor = span.Color;
if (span.Color != text.TextColor)
{
var colorString = ColorToFormatString(spanColor);
if (!string.IsNullOrEmpty(colorString))
{
style.AppendFormat("color:{0};", colorString);
}
}
var fontSize = RoundFloat(span.FontSize / text.VerticalScale, 2);
if (!Utils.EqualsOfFloatNumbers(fontSize, text.Font.Size))
{
style.AppendFormat("font-size:{0}pt;", fontSize.ToString(CultureInfo.InvariantCulture));
}
var tracking = RoundFloat(span.Tracking, 1);
if (!Utils.EqualsOfFloatNumbers(tracking, text.Tracking))
{
style.AppendFormat("tracking:{0};", tracking.ToString(CultureInfo.InvariantCulture));
}
return(style.ToString().Trim());
}
private static void UpdateTextVObject(BaseTextVObject vObject, ICanvas canvas)
{
var layer = new Layer();
layer.VObjects.Add(vObject);
canvas.Layers.Add(layer);
var colorManagement = vObject.GetColorManagement(true);
if (colorManagement != null)
{
colorManagement.InitPreviewColorMap(vObject.GetColors());
}
vObject.CurrentFileId = TextRenderer.RenderToFile(vObject, canvas.ScreenXDpi * canvas.Zoom);
}
private static Bitmap GetTextBitmap(BaseTextVObject vObject, float dpi, Point location, bool extendBitmap, out string id)
{
if (vObject == null)
{
throw new ArgumentNullException("vObject");
}
if (dpi <= 0)
{
throw new ArgumentOutOfRangeException("dpi");
}
var rect = vObject.MeasureText(dpi);
var width = (int)System.Math.Ceiling(rect.Width + (extendBitmap ? location.X * 2 : 0));
var height = (int)System.Math.Ceiling(rect.Height + (extendBitmap ? location.Y * 2 : 0));
if (rect.IsEmpty)
{
throw new InvalidOperationException("TextRenderer cannot write a text bitmap because it is empty");
}
var scale = dpi / vObject.TargetDpi ?? 1;
var colorManagement = vObject.GetColorManagement(true);
var textBitmap = new Bitmap(width, height, ColorManagement.GetPixelFormat(_colorSpace), RgbColor.Transparent)
{
DpiX = dpi / scale,
DpiY = dpi / scale,
ColorProfile = ColorManagement.GetProfile(colorManagement, _colorSpace, true)
};
using (var graphics = textBitmap.GetAdvancedGraphics())
{
graphics.Transform.Translate(-rect.X + location.X, -rect.Y + location.Y);
if (!Utils.EqualsOfFloatNumbers(scale, 1))
{
graphics.Transform.Scale(scale, scale);
}
var angle = vObject.Angle;
var opacity = vObject.Opacity;
var curvedText = vObject as CurvedTextVObject;
if (curvedText != null)
{
curvedText.TextPath.RotateAt(-angle, curvedText.TextPath.GetFirstPoint());
}
vObject.Transform.Update(null, null, null, null, 0);
vObject.Opacity = 1;
vObject.DrawText(graphics, textBitmap, colorManagement);
if (curvedText != null)
{
curvedText.TextPath.RotateAt(angle, curvedText.TextPath.GetFirstPoint());
}
vObject.Transform.Update(null, null, null, null, angle);
vObject.Opacity = opacity;
}
textBitmap.DpiX = dpi;
textBitmap.DpiY = dpi;
id = CreateFileId(vObject.GetMD5(dpi));
return(textBitmap);
}
private static Bitmap GetTextBitmap(BaseTextVObject vObject, float dpi, out string id)
{
return(GetTextBitmap(vObject, dpi, new Point(1, 1), false, out id));
}
internal static Bitmap GetTextBitmap(BaseTextVObject vObject, float dpi, Point location, bool extendBitmap = false)
{
string id;
return(GetTextBitmap(vObject, dpi, location, extendBitmap, out id));
}
public ProtectedFontSettings(BaseTextVObject textVObject)
{
_textVObject = textVObject;
}
private static string GetRichText(PsdTextFrame textFrame, BaseTextVObject textVObject)
{
var paragraphs = textFrame.Paragraphs.ToList();
var sb = new StringBuilder();
var paragraphStyle = "";
if (paragraphs.Count > 0)
{
paragraphStyle = GetParagraphStyle(paragraphs.First());
paragraphs.RemoveAt(0);
}
if (string.IsNullOrEmpty(paragraphStyle))
{
sb.Append("<p>");
}
else
{
sb.AppendFormat(@"<p style=""{0}"">", paragraphStyle);
}
foreach (var span in textFrame.FormattedText)
{
var spanStyle = GetSpanStyle(span, textVObject);
var paraTextList = span.String.Split('\r').ToList();
var i = 0;
foreach (var ptext in paraTextList)
{
var isLast = ++i == paraTextList.Count;
var content = Common.XmlEscape(NormalizeString(!isLast && ptext == "" ? " " : ptext, span.Caps));
var lines = content.Split('\n');
foreach (var line in lines)
{
if (!string.IsNullOrEmpty(line))
{
if (!string.IsNullOrEmpty(spanStyle))
{
sb.AppendFormat(@"<span style=""{0}"">{1}</span>", spanStyle, line);
}
else
{
sb.AppendFormat(@"<span>{0}</span>", line);
}
}
if (line != lines.Last())
{
sb.Append("<br/>");
}
}
if (paragraphs.Count > 0 && !isLast)
{
paragraphStyle = GetParagraphStyle(paragraphs.First());
paragraphs.RemoveAt(0);
if (!string.IsNullOrEmpty(paragraphStyle))
{
sb.AppendFormat(@"</p><p style=""{0}"">", paragraphStyle);
}
else
{
sb.Append("</p><p>");
}
}
}
}
sb.Append("</p>");
return(sb.ToString());
}
