private static void BlitCharacter(int pixelSize, int maxWidth, FullDictionary <char, CharacterInfo> dict, ref int currentX, ref int currentY, Graphics g, FontFace typeface, char c)
{
if (c == ' ')
{
int width = pixelSize / 3;
if (currentX + xInterval + width >= maxWidth)
{
currentX = 0;
currentY += yInterval + pixelSize;
if (currentY + yInterval + pixelSize >= maxWidth)
{
throw new Exception("Texture Size not big enough for reuqired characters.");
}
}
Bitmap glyphBitmap = new Bitmap(width + xInterval, pixelSize + yInterval);
//float yoffset = pixelSize * 3 / 4 - glyph.HorizontalMetrics.Bearing.Y;
g.DrawImage(glyphBitmap, currentX + xInterval, currentY + yInterval);
CharacterInfo info = new CharacterInfo(currentX, currentY, width + xInterval, pixelSize + yInterval);
dict.Add(c, info);
glyphBitmap.Dispose();
currentX += width;
}
else
{
Surface surface; Glyph glyph;
if (RenderGlyph(typeface, c, pixelSize, out surface, out glyph))
{
if (currentX + xInterval + surface.Width >= maxWidth)
{
currentX = 0;
currentY += yInterval + pixelSize;
if (currentY + yInterval + pixelSize >= maxWidth)
{
throw new Exception("Texture Size not big enough for reuqired characters.");
}
}
Bitmap glyphBitmap = GetGlyphBitmap(surface);
const int a = 5;
const int b = 8;
//float yoffset = pixelSize * a / b - glyph.HorizontalMetrics.Bearing.Y;
#if DEBUG
g.DrawRectangle(redPen, currentX + xInterval, currentY + yInterval + pixelSize * a / b - glyph.HorizontalMetrics.Bearing.Y, glyphBitmap.Width, glyphBitmap.Height);
g.DrawRectangle(greenPen, currentX, currentY, glyphBitmap.Width + xInterval, yInterval + pixelSize - 1);
#endif
g.DrawImage(glyphBitmap, currentX + xInterval, currentY + yInterval + pixelSize * a / b - glyph.HorizontalMetrics.Bearing.Y, glyphBitmap.Width, glyphBitmap.Height);
CharacterInfo info = new CharacterInfo(currentX, currentY, glyphBitmap.Width + xInterval, yInterval + pixelSize - 1);
dict.Add(c, info);
glyphBitmap.Dispose();
currentX += xInterval + surface.Width;
}
surface.Dispose();
}
}
private static FullDictionary <char, GlyphInfo> GetGlyphDict(Font font, string charSet)
{
var dict = new FullDictionary <char, GlyphInfo>(GlyphInfo.Default);
using (var bmp = new Bitmap(1, 1))
{
using (var graphics = Graphics.FromImage(bmp))
{
foreach (var c in charSet)
{
Size oneSize = graphics.MeasureString(string.Format("{0}", c), font).ToSize();
Size doubleSize = graphics.MeasureString(string.Format("{0}{0}", c), font).ToSize();
// TODO: Log this.
if (oneSize.Height != doubleSize.Height)
{
continue;
}
if (oneSize.Width >= doubleSize.Width)
{
continue;
}
Size charSize = new Size(doubleSize.Width - oneSize.Width, oneSize.Height);
var info = new GlyphInfo(0, 0, charSize.Width, charSize.Height);
dict.Add(c, info);
}
}
}
return(dict);
}
public static FullDictionary <char, CharacterInfo> Parse(XElement xElement)
{
FullDictionary <char, CharacterInfo> result = new FullDictionary <char, CharacterInfo>(
CharacterInfo.Default);
foreach (var item in xElement.Elements(KeyValuePairHelper.strKeyValuePair))
{
KeyValuePair <char, CharacterInfo> pair = KeyValuePairHelper.Parse(item);
result.Add(pair.Key, pair.Value);
}
return(result);
}
