/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <span class="keyword">
/// <span class="languageSpecificText">
/// <span class="cs">true</span>
/// <span class="vb">True</span>
/// <span class="cpp">true</span>
/// </span>
/// </span>
/// <span class="nu">
/// <span class="keyword">true</span> (<span class="keyword">True</span> in Visual Basic)</span> if the current object is equal to the <paramref name="other" /> parameter; otherwise, <span class="keyword"><span class="languageSpecificText"><span class="cs">false</span><span class="vb">False</span><span class="cpp">false</span></span></span><span class="nu"><span class="keyword">false</span> (<span class="keyword">False</span> in Visual Basic)</span>.
/// </returns>
public override bool Equals(GorgonGlyphBrush other)
{
var brush = other as GorgonGlyphHatchBrush;
return((brush == this) || ((brush != null) &&
(brush.HatchStyle == HatchStyle) &&
(brush.BackgroundColor == BackgroundColor) &&
(brush.ForegroundColor == ForegroundColor)));
}
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <span class="keyword">
/// <span class="languageSpecificText">
/// <span class="cs">true</span>
/// <span class="vb">True</span>
/// <span class="cpp">true</span>
/// </span>
/// </span>
/// <span class="nu">
/// <span class="keyword">true</span> (<span class="keyword">True</span> in Visual Basic)</span> if the current object is equal to the <paramref name="other" /> parameter; otherwise, <span class="keyword"><span class="languageSpecificText"><span class="cs">false</span><span class="vb">False</span><span class="cpp">false</span></span></span><span class="nu"><span class="keyword">false</span> (<span class="keyword">False</span> in Visual Basic)</span>.
/// </returns>
public override bool Equals(GorgonGlyphBrush other)
{
var brush = other as GorgonGlyphLinearGradientBrush;
return((brush == this) || ((brush != null) &&
(brush.Angle.EqualsEpsilon(Angle)) &&
(brush.ScaleAngle == ScaleAngle) &&
(brush.GammaCorrection == GammaCorrection) &&
(brush.Interpolation.SequenceEqual(Interpolation))));
}
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <span class="keyword">
/// <span class="languageSpecificText">
/// <span class="cs">true</span>
/// <span class="vb">True</span>
/// <span class="cpp">true</span>
/// </span>
/// </span>
/// <span class="nu">
/// <span class="keyword">true</span> (<span class="keyword">True</span> in Visual Basic)</span> if the current object is equal to the <paramref name="other" /> parameter; otherwise, <span class="keyword"><span class="languageSpecificText"><span class="cs">false</span><span class="vb">False</span><span class="cpp">false</span></span></span><span class="nu"><span class="keyword">false</span> (<span class="keyword">False</span> in Visual Basic)</span>.
/// </returns>
public override bool Equals(GorgonGlyphBrush other)
{
var brush = other as GorgonGlyphPathGradientBrush;
return((brush == this) || ((brush != null) &&
(brush.WrapMode == WrapMode) &&
(brush.CenterColor == CenterColor) &&
(brush.CenterPoint.Equals(CenterPoint)) &&
(brush.FocusScales.Equals(FocusScales)) &&
(brush.Points.SequenceEqual(Points)) &&
(brush.BlendFactors.SequenceEqual(BlendFactors)) &&
(brush.BlendPositions.SequenceEqual(BlendPositions)) &&
(brush.Interpolation.SequenceEqual(Interpolation)) &&
(brush.SurroundColors.SequenceEqual(SurroundColors))));
}
public Dictionary <char, GlyphInfo> DrawToPackedBitmaps(List <char> characters, Dictionary <char, GlyphRegions> glyphBounds, bool hasOutline)
{
var result = new Dictionary <char, GlyphInfo>();
System.Drawing.Graphics packedGraphics = null;
DX.Size2 maxGlyphSize = GetMaxGlyphSize(glyphBounds, hasOutline);
var glyphBitmap = new Bitmap(maxGlyphSize.Width + 10, maxGlyphSize.Height + 10, PixelFormat.Format32bppArgb);
var glyphGraphics = System.Drawing.Graphics.FromImage(glyphBitmap);
GorgonGlyphBrush glyphBrush = _fontInfo.Brush ?? new GorgonGlyphSolidBrush
{
Color = GorgonColor.White
};
try
{
glyphGraphics.PageUnit = GraphicsUnit.Pixel;
glyphGraphics.CompositingMode = CompositingMode.SourceOver;
glyphGraphics.CompositingQuality = CompositingQuality.HighQuality;
switch (_fontInfo.AntiAliasingMode)
{
case FontAntiAliasMode.AntiAlias:
glyphGraphics.SmoothingMode = SmoothingMode.AntiAlias;
glyphGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
break;
default:
glyphGraphics.SmoothingMode = SmoothingMode.None;
glyphGraphics.InterpolationMode = InterpolationMode.NearestNeighbor;
break;
}
while (characters.Count > 0)
{
var packedBitmap = new Bitmap(_fontInfo.TextureWidth, _fontInfo.TextureHeight, PixelFormat.Format32bppArgb);
packedGraphics?.Dispose();
packedGraphics = System.Drawing.Graphics.FromImage(packedBitmap);
packedGraphics.CompositingMode = CompositingMode.SourceCopy;
packedGraphics.CompositingQuality = CompositingQuality.HighQuality;
packedGraphics.Clear(Color.FromArgb(0));
// Sort by size.
characters.Sort((left, right) =>
{
var leftSize = new DX.Size2(glyphBounds[left].CharacterRegion.Width, glyphBounds[left].CharacterRegion.Height);
var rightSize = new DX.Size2(glyphBounds[right].CharacterRegion.Width, glyphBounds[right].CharacterRegion.Height);
return(leftSize.Height == rightSize.Height ? left.CompareTo(right) : leftSize.Height < rightSize.Height ? 1 : -1);
});
GlyphPacker.CreateRoot(_fontInfo.TextureWidth - _fontInfo.PackingSpacing, _fontInfo.TextureHeight - _fontInfo.PackingSpacing);
RasterizeGlyphs(packedGraphics, glyphGraphics, packedBitmap, glyphBitmap, characters, glyphBounds, result, glyphBrush, hasOutline);
packedGraphics.Flush();
}
}
finally
{
packedGraphics?.Dispose();
glyphGraphics.Dispose();
glyphBitmap.Dispose();
}
return(result);
}
/// <summary>
/// Function to rasterize a series of glyphs to a packed bitmap.
/// </summary>
/// <param name="packedGraphics">The graphics context for the packed bitmap.</param>
/// <param name="glyphGraphics">The graphics context for the glyph bitmap.</param>
/// <param name="packedBitmap">The packed bitmap.</param>
/// <param name="glyphBitmap">The glyph bitmap.</param>
/// <param name="characters">The list of characters to use as glyphs.</param>
/// <param name="glyphBounds">The list of boundaries for the glyphs.</param>
/// <param name="packedGlyphs">The resulting set of packed glyphs.</param>
/// <param name="brush">The brush used to draw the glyphs.</param>
/// <param name="hasOutline"><b>true</b> if the font contains an outline, <b>false</b> if not.</param>
private void RasterizeGlyphs(System.Drawing.Graphics packedGraphics,
System.Drawing.Graphics glyphGraphics,
Bitmap packedBitmap,
Bitmap glyphBitmap,
List <char> characters,
Dictionary <char, GlyphRegions> glyphBounds,
Dictionary <char, GlyphInfo> packedGlyphs,
GorgonGlyphBrush brush,
bool hasOutline)
{
int index = 0;
int packingSpace = _fontInfo.PackingSpacing > 0 ? _fontInfo.PackingSpacing * 2 : 1;
while (index < characters.Count)
{
char character = characters[index];
// If we've already put this glyph in, then skip it.
if (packedGlyphs.ContainsKey(character))
{
characters.Remove(character);
continue;
}
DX.Rectangle charRect = glyphBounds[character].CharacterRegion;
// Skip whitespace characters. These won't be drawn, just measured.
if (char.IsWhiteSpace(character))
{
characters.Remove(character);
packedGlyphs[character] = new GlyphInfo(null, new DX.Rectangle(0, 0, charRect.Width + 1, charRect.Height + 1), DX.Point.Zero, DX.Rectangle.Empty, DX.Point.Zero);
continue;
}
DX.Rectangle outlineRect = glyphBounds[character].OutlineRegion;
var size = new DX.Size2(charRect.Width + 1, charRect.Height + 1);
Rectangle?placement = GlyphPacker.Add(new Size(charRect.Width + packingSpace, charRect.Height + packingSpace));
Rectangle?outlinePlacement = null;
if ((hasOutline) && (!outlineRect.IsEmpty))
{
outlinePlacement = GlyphPacker.Add(new Size(outlineRect.Width + packingSpace, outlineRect.Height + packingSpace));
}
if ((placement == null) ||
((hasOutline) && (outlinePlacement == null) && (!outlineRect.IsEmpty)))
{
++index;
continue;
}
characters.Remove(character);
Point location = placement.Value.Location;
Point outlineLocation = outlinePlacement?.Location ?? Point.Empty;
location.X += _fontInfo.PackingSpacing;
location.Y += _fontInfo.PackingSpacing;
// If we're using a linear gradient, then we have to define the bounds for that gradient.
if (brush.BrushType == GlyphBrushType.LinearGradient)
{
((GorgonGlyphLinearGradientBrush)brush).GradientRegion = new DX.Rectangle(charRect.Left, charRect.Top, charRect.Width, charRect.Height);
}
using (Brush gdiBrush = brush.ToGDIBrush())
{
// Draw the main character glyph.
DrawGlyphCharacter(character, glyphBitmap, glyphGraphics, gdiBrush);
packedGraphics.DrawImage(glyphBitmap,
new Rectangle(location.X, location.Y, size.Width, size.Height),
new Rectangle(charRect.X, charRect.Y, size.Width, size.Height),
GraphicsUnit.Pixel);
// Draw the outline for the character glyph.
if ((hasOutline) && (!outlineRect.IsEmpty))
{
outlineLocation.X += _fontInfo.PackingSpacing;
outlineLocation.Y += _fontInfo.PackingSpacing;
DrawGlyphCharacterOutline(character, glyphBitmap, glyphGraphics);
packedGraphics.DrawImage(glyphBitmap,
new Rectangle(outlineLocation.X, outlineLocation.Y, outlineRect.Width + 1, outlineRect.Height + 1),
new Rectangle(outlineRect.X, outlineRect.Y, outlineRect.Width + 1, outlineRect.Height + 1),
GraphicsUnit.Pixel);
}
packedGlyphs[character] = new GlyphInfo(packedBitmap,
new DX.Rectangle(location.X, location.Y, size.Width, size.Height),
new DX.Point(charRect.X, charRect.Y),
new DX.Rectangle(outlineLocation.X, outlineLocation.Y, outlineRect.Width + 1, outlineRect.Height + 1),
new DX.Point(outlineRect.X, outlineRect.Y));
}
}
}
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <span class="keyword">
/// <span class="languageSpecificText">
/// <span class="cs">true</span>
/// <span class="vb">True</span>
/// <span class="cpp">true</span>
/// </span>
/// </span>
/// <span class="nu">
/// <span class="keyword">true</span> (<span class="keyword">True</span> in Visual Basic)</span> if the current object is equal to the <paramref name="other" /> parameter; otherwise, <span class="keyword"><span class="languageSpecificText"><span class="cs">false</span><span class="vb">False</span><span class="cpp">false</span></span></span><span class="nu"><span class="keyword">false</span> (<span class="keyword">False</span> in Visual Basic)</span>.
/// </returns>
public override bool Equals(GorgonGlyphBrush other)
{
var brush = other as GorgonGlyphSolidBrush;
return((brush == this) || ((brush != null) && (brush.Color == Color)));
}
