/*
private SizeF GetMaxGlyphSize(Font font)
{
Bitmap bmp = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
Graphics graph = Graphics.FromImage(bmp);
SizeF maxSize = new SizeF(0f, 0f);
for (int i = 0; i < charSet.Length; i++)
{
var charSize = graph.MeasureString("" + charSet[i], font);
if (charSize.Width > maxSize.Width)
maxSize.Width = charSize.Width;
if (charSize.Height > maxSize.Height)
maxSize.Height = charSize.Height;
}
graph.Dispose();
bmp.Dispose();
return maxSize;
}*/
//The initial bitmap is simply a long thin strip of all glyphs in a row
private Bitmap CreateInitialBitmap(Font font, SizeF maxSize, int initialMargin, out QFontGlyph[] glyphs, TextGenerationRenderHint renderHint)
{
glyphs = new QFontGlyph[charSet.Length];
int spacing = (int)Math.Ceiling(maxSize.Width) + 2 * initialMargin;
Bitmap bmp = new Bitmap(spacing * charSet.Length, (int)Math.Ceiling(maxSize.Height) + 2 * initialMargin, PixelFormat.Format24bppRgb);
Graphics graph = Graphics.FromImage(bmp);
switch(renderHint){
case TextGenerationRenderHint.SizeDependent:
graph.TextRenderingHint = font.Size <= 12.0f ? TextRenderingHint.ClearTypeGridFit : TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAlias:
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAliasGridFit:
graph.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
break;
case TextGenerationRenderHint.ClearTypeGridFit:
graph.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
break;
case TextGenerationRenderHint.SystemDefault:
graph.TextRenderingHint = TextRenderingHint.SystemDefault;
break;
}
int xOffset = initialMargin;
for (int i = 0; i < charSet.Length; i++)
{
graph.DrawString("" + charSet[i], font, Brushes.White, xOffset, initialMargin);
var charSize = graph.MeasureString("" + charSet[i], font);
glyphs[i] = new QFontGlyph(0, new Rectangle(xOffset - initialMargin, 0, (int)charSize.Width + initialMargin * 2, (int)charSize.Height + initialMargin * 2), 0, charSet[i]);
xOffset += (int)charSize.Width + initialMargin * 2;
}
graph.Flush();
graph.Dispose();
return bmp;
}
/*
* private SizeF GetMaxGlyphSize(Font font)
* {
* Bitmap bmp = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
* Graphics graph = Graphics.FromImage(bmp);
*
* SizeF maxSize = new SizeF(0f, 0f);
* for (int i = 0; i < charSet.Length; i++)
* {
* var charSize = graph.MeasureString("" + charSet[i], font);
*
* if (charSize.Width > maxSize.Width)
* maxSize.Width = charSize.Width;
*
* if (charSize.Height > maxSize.Height)
* maxSize.Height = charSize.Height;
* }
*
* graph.Dispose();
* bmp.Dispose();
*
* return maxSize;
* }*/
//The initial bitmap is simply a long thin strip of all glyphs in a row
private Bitmap CreateInitialBitmap(Font font, SizeF maxSize, int initialMargin, out QFontGlyph[] glyphs, TextGenerationRenderHint renderHint)
{
glyphs = new QFontGlyph[charSet.Length];
int spacing = (int)Math.Ceiling(maxSize.Width) + 2 * initialMargin;
Bitmap bmp = new Bitmap(spacing * charSet.Length, (int)Math.Ceiling(maxSize.Height) + 2 * initialMargin, PixelFormat.Format24bppRgb);
Graphics graph = Graphics.FromImage(bmp);
switch (renderHint)
{
case TextGenerationRenderHint.SizeDependent:
graph.TextRenderingHint = font.Size <= 12.0f ? TextRenderingHint.ClearTypeGridFit : TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAlias:
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAliasGridFit:
graph.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
break;
case TextGenerationRenderHint.ClearTypeGridFit:
graph.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
break;
case TextGenerationRenderHint.SystemDefault:
graph.TextRenderingHint = TextRenderingHint.SystemDefault;
break;
}
int xOffset = initialMargin;
for (int i = 0; i < charSet.Length; i++)
{
graph.DrawString("" + charSet[i], font, Brushes.White, xOffset, initialMargin);
var charSize = graph.MeasureString("" + charSet[i], font);
glyphs[i] = new QFontGlyph(0, new Rectangle(xOffset - initialMargin, 0, (int)charSize.Width + initialMargin * 2, (int)charSize.Height + initialMargin * 2), 0, charSet[i]);
xOffset += (int)charSize.Width + initialMargin * 2;
}
graph.Flush();
graph.Dispose();
return(bmp);
}
/// <summary>
/// Creates the initial font bitmap. This is simply a long thin strip of all glyphs in a row
/// </summary>
/// <param name="font">The <see cref="IFont"/> object to build the initial bitmap from</param>
/// <param name="maxSize">The maximum glyph size of the font</param>
/// <param name="initialMargin">The initial bitmap margin (used for all four sides)</param>
/// <param name="glyphs">A collection of <see cref="QFontGlyph"/>s corresponding to the initial bitmap</param>
/// <param name="renderHint">The font rendering hint to use</param>
/// <returns></returns>
private Bitmap CreateInitialBitmap(IFont font, SizeF maxSize, int initialMargin, out QFontGlyph[] glyphs, TextGenerationRenderHint renderHint)
{
glyphs = new QFontGlyph[_charSet.Length];
int spacing = (int)Math.Ceiling(maxSize.Width) + 2 * initialMargin;
Bitmap bmp = new Bitmap(spacing * _charSet.Length, (int)Math.Ceiling(maxSize.Height) + 2 * initialMargin, PixelFormat.Format24bppRgb);
Graphics graph = Graphics.FromImage(bmp);
switch (renderHint)
{
case TextGenerationRenderHint.SizeDependent:
graph.TextRenderingHint = font.Size <= 12.0f ? TextRenderingHint.ClearTypeGridFit : TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAlias:
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
break;
case TextGenerationRenderHint.AntiAliasGridFit:
graph.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
break;
case TextGenerationRenderHint.ClearTypeGridFit:
graph.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
break;
case TextGenerationRenderHint.SystemDefault:
graph.TextRenderingHint = TextRenderingHint.SystemDefault;
break;
}
// enable high quality graphics
graph.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graph.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graph.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
int xOffset = initialMargin;
for (int i = 0; i < _charSet.Length; i++)
{
var offset = font.DrawString("" + _charSet[i], graph, Brushes.White, xOffset, initialMargin);
var charSize = font.MeasureString("" + _charSet[i], graph);
glyphs[i] = new QFontGlyph(0, new Rectangle(xOffset - initialMargin + offset.X, initialMargin + offset.Y, (int)charSize.Width + initialMargin * 2, (int)charSize.Height + initialMargin * 2), 0, _charSet[i]);
xOffset += (int)charSize.Width + initialMargin * 2;
}
graph.Flush();
graph.Dispose();
return(bmp);
}
