/// <summary>
/// Creates a <see cref="TrippyFontFile"/> holding information for multiple fonts with the same size.
/// </summary>
/// <remarks>All the fonts have the same character range.</remarks>
public static TrippyFontFile CreateFontFile(ReadOnlySpan <string> fontFiles, float size, char firstChar = ' ', char lastChar = '~', Color?backgroundColor = null)
{
IGlyphSource[] glyphSources = new IGlyphSource[fontFiles.Length];
for (int i = 0; i < glyphSources.Length; i++)
{
glyphSources[i] = new FontGlyphSource(FontInstance.LoadFont(fontFiles[i]), size, firstChar, lastChar);
}
return(FontBuilder.CreateFontFile(glyphSources, backgroundColor));
}
/// <summary>
/// Creates a <see cref="TrippyFontFile"/> holding information for multiple fonts.
/// </summary>
/// <remarks>All the fonts have the same character range.</remarks>
public static TrippyFontFile CreateFontFile(ReadOnlySpan <Font> fonts, char firstChar = ' ', char lastChar = '~', Color?backgroundColor = null)
{
IGlyphSource[] glyphSources = new IGlyphSource[fonts.Length];
for (int i = 0; i < fonts.Length; i++)
{
glyphSources[i] = new FontGlyphSource(fonts[i], firstChar, lastChar);
}
return(FontBuilder.CreateFontFile(glyphSources, backgroundColor));
}
protected override void Initialize()
{
base.Initialize();
Materials = new DefaultMaterialSet(RenderCoordinator);
Alignment.Pressed += (s, e) => {
Text.Alignment = (HorizontalAlignment)(((int)Text.Alignment + 1) % 7);
};
CharacterWrap.Pressed += (s, e) => {
Text.CharacterWrap = !Text.CharacterWrap;
};
WordWrap.Pressed += (s, e) => {
Text.WordWrap = !Text.WordWrap;
};
Hinting.Pressed += (s, e) => {
var ftf = (FreeTypeFont)LatinFont;
ftf.Hinting = !ftf.Hinting;
ftf.Invalidate();
ftf = (FreeTypeFont)UniFont;
ftf.Hinting = !ftf.Hinting;
ftf.Invalidate();
Text.Invalidate();
};
Margin.Pressed += (s, e) => {
var ftf = (FreeTypeFont)LatinFont;
ftf.GlyphMargin = (ftf.GlyphMargin + 1) % 6;
ftf.Invalidate();
Text.Invalidate();
};
Monochrome.Pressed += (s, e) => {
var ftf = (FreeTypeFont)LatinFont;
ftf.Monochrome = !ftf.Monochrome;
ftf.Invalidate();
ftf = (FreeTypeFont)UniFont;
ftf.Monochrome = !ftf.Monochrome;
ftf.Invalidate();
Text.Invalidate();
};
FreeType.Pressed += (s, e) => {
if (ActiveFont == FallbackFont)
{
ActiveFont = new SpriteFontGlyphSource(DutchAndHarley);
TextScale = 1f;
}
else
{
ActiveFont = FallbackFont;
TextScale = 2f;
}
Text.GlyphSource = ActiveFont;
Text.Scale = TextScale;
};
}
protected override void LoadContent()
{
SpriteFont = new SpriteFontGlyphSource(Content.Load <SpriteFont>("font"));
LatinFont = new FreeTypeFont(RenderCoordinator, "FiraSans-Regular.otf")
{
SizePoints = 40, DPIPercent = 200, GlyphMargin = 4, Gamma = 1.6
};
if (false)
{
LatinFont = new FreeTypeFont(RenderCoordinator, "cambria.ttc")
{
SizePoints = 40, DPIPercent = 200, GlyphMargin = 4, Gamma = 1.6
}
}
;
UniFont = new FreeTypeFont(RenderCoordinator, @"C:\Windows\Fonts\ArialUni.ttf")
{
SizePoints = 30, DPIPercent = 200, GlyphMargin = 4, Gamma = 1.6
};
FallbackFont = new FallbackGlyphSource(LatinFont, UniFont);
ActiveFont = FallbackFont;
Text = new DynamicStringLayout(ActiveFont, TestText)
{
// Alignment = HorizontalAlignment.Right,
AlignToPixels = GlyphPixelAlignment.FloorY,
CharacterWrap = true,
WordWrap = true,
Scale = 2f,
ReverseOrder = true
};
Text2 = new DynamicStringLayout(ActiveFont, TestText2)
{
AlignToPixels = GlyphPixelAlignment.FloorY,
CharacterWrap = true,
WordWrap = true,
Scale = 2f,
ReverseOrder = true
};
}
public void DrawString(
IGlyphSource glyphSource, string text,
Vector2 position, Color?color = null, float scale = 1, DrawCallSortKey?sortKey = null,
int characterSkipCount = 0, int characterLimit = int.MaxValue,
int?layer = null, bool?worldSpace = null,
BlendState blendState = null, SamplerState samplerState = null
)
{
using (var buffer = BufferPool <BitmapDrawCall> .Allocate(text.Length)) {
var layout = glyphSource.LayoutString(
text, new ArraySegment <BitmapDrawCall>(buffer.Data),
position, color, scale, sortKey.GetValueOrDefault(NextSortKey),
characterSkipCount, characterLimit, alignToPixels: true
);
DrawMultiple(
layout,
layer: layer, worldSpace: worldSpace, blendState: blendState, samplerState: samplerState
);
buffer.Clear();
}
}
// Yuck :(
public static StringLayout LayoutString(
this IGlyphSource glyphSource, AbstractString text, ArraySegment <BitmapDrawCall>?buffer = null,
Vector2?position = null, Color?color = null, float scale = 1,
DrawCallSortKey sortKey = default(DrawCallSortKey),
int characterSkipCount = 0, int?characterLimit = null,
float xOffsetOfFirstLine = 0, float?lineBreakAtX = null,
bool alignToPixels = false,
Dictionary <char, KerningAdjustment> kerningAdjustments = null,
bool wordWrap = false, char wrapCharacter = '\0'
)
{
var state = new StringLayoutEngine {
position = position,
color = color,
scale = scale,
sortKey = sortKey,
characterSkipCount = characterSkipCount,
characterLimit = characterLimit,
xOffsetOfFirstLine = xOffsetOfFirstLine,
lineBreakAtX = lineBreakAtX,
alignToPixels = alignToPixels,
characterWrap = lineBreakAtX.HasValue,
wordWrap = wordWrap,
wrapCharacter = wrapCharacter,
buffer = buffer.GetValueOrDefault(default(ArraySegment <BitmapDrawCall>))
};
state.Initialize();
using (state) {
var segment = state.AppendText(
glyphSource, text, kerningAdjustments
);
return(state.Finish());
}
}
protected override void OnLoadContent(bool isReloading)
{
var margin = 6;
LatinFont = new FreeTypeFont(RenderCoordinator, "FiraSans-Regular.otf")
{
SizePoints = 40, DPIPercent = 200, GlyphMargin = margin, Gamma = 1.6,
DefaultGlyphColors =
{
{ (uint)'h', Color.Red }
}
};
if (false)
{
LatinFont = new FreeTypeFont(RenderCoordinator, "cambria.ttc")
{
SizePoints = 40, DPIPercent = 200, GlyphMargin = margin, Gamma = 1.6
}
}
;
UniFont = new FreeTypeFont(RenderCoordinator, @"C:\Windows\Fonts\msgothic.ttc")
{
SizePoints = 30, DPIPercent = 200, GlyphMargin = margin, Gamma = 1.6
};
FallbackFont = new FallbackGlyphSource(LatinFont, UniFont);
SmallLatinFont = new FreeTypeFont.FontSize((FreeTypeFont)LatinFont, 40 * 0.75f);
ActiveFont = FallbackFont;
Content.RootDirectory = "";
DutchAndHarley = Content.Load <SpriteFont>("DutchAndHarley");
Text = new DynamicStringLayout(ActiveFont, SelectedString)
{
AlignToPixels = GlyphPixelAlignment.RoundXY,
CharacterWrap = true,
WordWrap = true,
Scale = TextScale,
ReverseOrder = true,
RichText = true,
HideOverflow = true,
RichTextConfiguration = new RichTextConfiguration {
MarkedStringProcessor = ProcessMarkedString,
Styles = new Dictionary <string, RichStyle> {
{ "quick", new RichStyle {
Color = Color.Yellow
} },
{ "brown", new RichStyle {
Color = Color.Brown, Scale = 2
} }
},
GlyphSources = new Dictionary <string, IGlyphSource> {
{ "large", LatinFont },
{ "small", SmallLatinFont }
},
ImageProvider = Text_ImageProvider
},
WordWrapCharacters = new uint[] {
'\\', '/', ':', ','
},
};
for (int i = 0; i < Images.Length; i++)
{
using (var s = File.OpenRead($"{i + 1}.png"))
Images[i] = Texture2D.FromStream(Graphics.GraphicsDevice, s);
}
}
public DynamicStringLayout(IGlyphSource font = null, string text = "")
{
_GlyphSource = font;
_Text = text;
}
public DynamicStringLayout(SpriteFont font, string text = "")
{
_GlyphSource = new SpriteFontGlyphSource(font);
_Text = text;
}
/// <summary>
/// Creates a <see cref="TrippyFontFile"/> holding information for a single font.
/// </summary>
/// <param name="glyphSources">The <see cref="IGlyphSource"/> for getting the information of the font.</param>
/// <param name="backgroundColor">The background color of the generated image. Null for transparent.</param>
public static TrippyFontFile CreateFontFile(IGlyphSource glyphSources, Color?backgroundColor = null)
{
return(CreateFontFile(new IGlyphSource[] { glyphSources }, backgroundColor));
}
public static Dictionary <char, KerningAdjustment> GetDefaultKerningAdjustments(IGlyphSource font)
{
// FIXME
if (font is SpriteFontGlyphSource)
{
Dictionary <char, KerningAdjustment> result;
_DefaultKerningAdjustments.TryGetValue(((SpriteFontGlyphSource)font).Font, out result);
return(result);
}
else
{
return(null);
}
}
public ArraySegment <BitmapDrawCall> AppendText(
IGlyphSource font, AbstractString text,
Dictionary <char, KerningAdjustment> kerningAdjustments = null
)
{
if (!IsInitialized)
{
throw new InvalidOperationException("Call Initialize first");
}
if (font == null)
{
throw new ArgumentNullException("font");
}
if (text.IsNull)
{
throw new ArgumentNullException("text");
}
EnsureBufferCapacity(bufferWritePosition + text.Length);
if (kerningAdjustments == null)
{
kerningAdjustments = StringLayout.GetDefaultKerningAdjustments(font);
}
var effectiveScale = scale / font.DPIScaleFactor;
var drawCall = default(BitmapDrawCall);
drawCall.MultiplyColor = color.GetValueOrDefault(Color.White);
drawCall.ScaleF = effectiveScale;
drawCall.SortKey = sortKey;
float x = 0;
float?defaultLineSpacing = null;
for (int i = 0, l = text.Length; i < l; i++)
{
var ch = text[i];
bool isWhiteSpace = char.IsWhiteSpace(ch),
forcedWrap = false, lineBreak = false,
deadGlyph = false;
Glyph glyph;
KerningAdjustment kerningAdjustment;
if (ch == '\r')
{
if (((i + 1) < l) && (text[i + 1] == '\n'))
{
i += 1;
}
lineBreak = true;
}
else if (ch == '\n')
{
lineBreak = true;
}
if (isWhiteSpace)
{
wordStartWritePosition = -1;
wordWrapSuppressed = false;
}
else
{
if (wordStartWritePosition < 0)
{
wordStartWritePosition = bufferWritePosition;
wordStartOffset = characterOffset;
}
}
deadGlyph = !font.GetGlyph(ch, out glyph);
float effectiveLineSpacing = glyph.LineSpacing;
if (deadGlyph)
{
if (currentLineSpacing.HasValue)
{
effectiveLineSpacing = currentLineSpacing.Value;
}
else if (defaultLineSpacing.HasValue)
{
effectiveLineSpacing = defaultLineSpacing.Value;
}
else
{
Glyph space;
if (font.GetGlyph(' ', out space))
{
defaultLineSpacing = effectiveLineSpacing = space.LineSpacing;
}
}
}
if ((kerningAdjustments != null) && kerningAdjustments.TryGetValue(ch, out kerningAdjustment))
{
glyph.LeftSideBearing += kerningAdjustment.LeftSideBearing;
glyph.Width += kerningAdjustment.Width;
glyph.RightSideBearing += kerningAdjustment.RightSideBearing;
}
x =
characterOffset.X +
glyph.LeftSideBearing +
glyph.RightSideBearing +
glyph.Width + glyph.CharacterSpacing;
if ((x * effectiveScale) >= lineBreakAtX)
{
if (
!deadGlyph &&
(colIndex > 0) &&
!isWhiteSpace
)
{
forcedWrap = true;
}
}
if (forcedWrap)
{
var currentWordSize = x - wordStartOffset.X;
if (wordWrap && !wordWrapSuppressed && (currentWordSize * effectiveScale <= lineBreakAtX))
{
WrapWord(buffer, wordStartOffset, wordStartWritePosition, bufferWritePosition - 1, effectiveScale, effectiveLineSpacing);
wordWrapSuppressed = true;
lineBreak = true;
}
else if (characterWrap)
{
characterOffset.X = xOffsetOfWrappedLine;
characterOffset.Y += effectiveLineSpacing;
maxX = Math.Max(maxX, currentLineMaxX * effectiveScale);
wordStartWritePosition = bufferWritePosition;
wordStartOffset = characterOffset;
lineBreak = true;
}
}
if (lineBreak)
{
if (!forcedWrap)
{
characterOffset.X = xOffsetOfNewLine;
characterOffset.Y += effectiveLineSpacing;
maxX = Math.Max(maxX, currentLineMaxX * effectiveScale);
}
initialLineXOffset = characterOffset.X;
currentLineMaxX = 0;
currentLineWhitespaceMaxX = 0;
currentLineWhitespaceMaxXLeft = 0;
rowIndex += 1;
colIndex = 0;
}
if (deadGlyph)
{
characterSkipCount--;
if (characterLimit.HasValue)
{
characterLimit--;
}
continue;
}
// HACK: Recompute after wrapping
x =
characterOffset.X +
glyph.LeftSideBearing +
glyph.RightSideBearing +
glyph.Width + glyph.CharacterSpacing;
characterOffset.X += glyph.CharacterSpacing;
lastCharacterBounds = Bounds.FromPositionAndSize(
characterOffset * effectiveScale, new Vector2(
glyph.LeftSideBearing + glyph.Width + glyph.RightSideBearing,
glyph.LineSpacing
) * effectiveScale
);
if ((rowIndex == 0) && (colIndex == 0))
{
firstCharacterBounds = lastCharacterBounds;
}
characterOffset.X += glyph.LeftSideBearing;
if (colIndex == 0)
{
characterOffset.X = Math.Max(characterOffset.X, 0);
}
if (characterSkipCount <= 0)
{
if (characterLimit.HasValue && characterLimit.Value <= 0)
{
break;
}
var glyphPosition = new Vector2(
actualPosition.X + (glyph.XOffset + characterOffset.X) * effectiveScale,
actualPosition.Y + (glyph.YOffset + characterOffset.Y) * effectiveScale
);
if (!isWhiteSpace)
{
if (bufferWritePosition >= buffer.Count)
{
EnsureBufferCapacity(bufferWritePosition);
}
drawCall.Texture = glyph.Texture;
drawCall.TextureRegion = glyph.Texture.BoundsFromRectangle(ref glyph.BoundsInTexture);
Snap(glyphPosition, out drawCall.Position);
// HACK so that the alignment pass can detect rows. We strip this later.
if (alignment != HorizontalAlignment.Left)
{
drawCall.SortKey.Order = rowIndex;
}
buffer.Array[buffer.Offset + bufferWritePosition] = drawCall;
currentLineMaxX = Math.Max(currentLineMaxX, x);
maxY = Math.Max(maxY, (characterOffset.Y + effectiveLineSpacing) * effectiveScale);
bufferWritePosition += 1;
drawCallsWritten += 1;
}
else
{
currentLineWhitespaceMaxXLeft = Math.Max(currentLineWhitespaceMaxXLeft, characterOffset.X);
currentLineWhitespaceMaxX = Math.Max(currentLineWhitespaceMaxX, x);
}
characterLimit--;
}
else
{
characterSkipCount--;
}
characterOffset.X += (glyph.Width + glyph.RightSideBearing);
currentLineSpacing = glyph.LineSpacing;
maxLineSpacing = Math.Max(maxLineSpacing, effectiveLineSpacing);
colIndex += 1;
}
var segment = new ArraySegment <BitmapDrawCall>(
buffer.Array, buffer.Offset, drawCallsWritten
);
maxX = Math.Max(maxX, currentLineMaxX * effectiveScale);
return(segment);
}
