public void DrawText(Graphics zGraphics, ProjectLayoutElement zElement, string sInput)
{
var zFont = zElement.GetElementFont();
var colorFont = zElement.GetElementColor();
if (null == zFont) // default to something!
{
// font will show up in red if it's not yet set
zFont = FontLoader.DefaultFont;
}
var zFormat = new StringFormat
{
LineAlignment = zElement.GetVerticalAlignment(),
Alignment = zElement.GetHorizontalAlignment()
};
var zBrush = 255 == zElement.opacity
? new SolidBrush(colorFont)
: new SolidBrush(Color.FromArgb(zElement.opacity, colorFont));
if (zElement.autoscalefont)
{
SizeF zSize = zGraphics.MeasureString(sInput, zFont, new SizeF(zElement.width, int.MaxValue), zFormat);
if (zSize.Height > zElement.height || zSize.Width > zElement.width)
{
float newSizeRatio;
if ((zSize.Height - zElement.height) > (zSize.Width - zElement.width))
{
newSizeRatio = (float)zElement.height / (float)zSize.Height;
}
else
{
newSizeRatio = (float)zElement.width / (float)zSize.Width;
}
var scaledFont = FontLoader.GetFont(zFont.FontFamily, newSizeRatio * zFont.Size, zFont.Style);
//Support.IO.Logger.AddLogLine(scaledFont.Size + " was [" + zFont.Size + "]");
zFont = scaledFont;
#if true // the preprocessing above will get the font size close but not perfect, the slow code below further refines the size
// slow mode - but perfect precision (well arguably with the Graphics.MeasureString)
bool bUpscaled = false;
if (0 < sInput.Trim().Length)
{
while (true)
{
zSize = zGraphics.MeasureString(sInput, zFont, new SizeF(zElement.width, int.MaxValue), zFormat);
if (zSize.Height > zElement.height || zSize.Width > zElement.width)
{
if (zFont.Size == 1)
{
break;
}
zFont = FontLoader.GetFont(zFont.FontFamily, zFont.Size - 1, zFont.Style);
if (bUpscaled)
{
break;
}
}
else
{
zFont = FontLoader.GetFont(zFont.FontFamily, zFont.Size + 1, zFont.Style);
bUpscaled = true;
}
}
//Support.IO.Logger.AddLogLine("[" + zFont.Size + "]");
}
#endif
}
// else -- font size is fine for this element
}
else
{
zFormat.Trimming = StringTrimming.EllipsisCharacter;
}
var fEmSize = zFont.Size;
switch (zFont.Unit)
{
case GraphicsUnit.Point:
fEmSize = zGraphics.DpiY * (zFont.Size / 72f);
break;
default:
Logger.AddLogLine("This font is using the Unit: {0} (not currently supported)".FormatString(zFont.Unit.ToString()));
break;
}
if (0 == zElement.outlinethickness)
{
try
{
zGraphics.DrawString(sInput, zFont, zBrush,
new RectangleF(0, 0, zElement.width, zElement.height), zFormat);
}
catch (Exception)
{
Logger.AddLogLine("Unable to render text (font issue?)");
}
}
else
{
try
{
var zPath = new GraphicsPath();
zPath.AddString(sInput, zFont.FontFamily, (int)zFont.Style, fEmSize, new RectangleF(0, 0, zElement.width, zElement.height), zFormat);
CardRenderer.DrawElementPath(zElement, zGraphics, zPath, zBrush);
}
catch (Exception)
{
Logger.AddLogLine("Unable to render text (font issue?)");
}
}
}
/// <summary>
/// Processes the formatted text data into rendered markups.
/// </summary>
/// <param name="zGraphics">The graphics to use to plan the render</param>
/// <param name="zElement">The element</param>
/// <param name="fMainFontSize">The font size to use for the default font</param>
/// <param name="zFormattedTextData">The processed formatted text data</param>
/// <returns>List of markups to be rendered</returns>
protected List <MarkupBase> processMarkupDefinition(Graphics zGraphics, ProjectLayoutElement zElement, float fMainFontSize, FormattedTextData zFormattedTextData)
{
var colorFont = zElement.GetElementColor();
var zBrush = 255 == zElement.opacity
? new SolidBrush(colorFont)
: new SolidBrush(Color.FromArgb(zElement.opacity, colorFont));
var zProcessData = new FormattedTextProcessData
{
FontBrush = zBrush,
CurrentLineHeight = zElement.lineheight,
CurrentStringAlignment = zElement.GetHorizontalAlignment()
};
var zFont = zElement.GetElementFont();
if (null == zFont) // default to something!
{
// font will show up in red if it's not yet set
zFont = FontLoader.DefaultFont;
}
var zScaledFont = FontLoader.GetFont(zFont.FontFamily, fMainFontSize, zFont.Style);
// set the initial font
zProcessData.SetFont(zScaledFont, zGraphics);
var listPassMarkups =
new List <MarkupBase>(); // only contains the markups that will be actively drawn (for caching)
// Pass 1:
// - Create rectangles
// - Configure per-markup settings based on state of markup stack
// - Generate list of markups to continue to process (those that are used in the next pass)
// - Specify Markup rectanlges
// - Generate markup rows (LineNumber is usable AFTER this process)
int nIdx;
MarkupBase zMarkup;
for (nIdx = 0; nIdx < zFormattedTextData.AllMarkups.Count; nIdx++)
{
zMarkup = zFormattedTextData.AllMarkups[nIdx];
if (zMarkup.ProcessMarkup(zElement, zFormattedTextData, zProcessData, zGraphics))
{
zMarkup.LineNumber = zProcessData.CurrentLine;
listPassMarkups.Add(zMarkup);
}
}
// Pass 2:
// - Trim spaces from line endings
if (listPassMarkups.Count > 0)
{
nIdx = listPassMarkups.Count - 1;
zMarkup = listPassMarkups[nIdx];
var currentLineNumber = zMarkup.LineNumber;
var bFindNextLine = false;
while (nIdx > -1)
{
zMarkup = listPassMarkups[nIdx];
if (zMarkup.LineNumber != currentLineNumber)
{
currentLineNumber = zMarkup.LineNumber;
bFindNextLine = false;
}
if (!bFindNextLine && zMarkup is SpaceMarkup && ((SpaceMarkup)zMarkup).Optional)
{
listPassMarkups.RemoveAt(nIdx);
}
else
{
bFindNextLine = true;
}
nIdx--;
}
}
// Pass 3:
// - Align lines (horizontal/vertical)
// Reprocess for align (before backgroundcolor is configured)
AlignmentController.UpdateAlignment(zElement, listPassMarkups);
// Pass 4: process the remaining items
nIdx = 0;
while (nIdx < listPassMarkups.Count)
{
zMarkup = listPassMarkups[nIdx];
if (!zMarkup.PostProcessMarkupRectangle(zElement, listPassMarkups, nIdx))
{
listPassMarkups.RemoveAt(nIdx);
continue;
}
nIdx++;
}
return(listPassMarkups);
}
