protected override void OnCreateDeviceIndependentResources(Direct2DFactory factory)
{
base.OnCreateDeviceIndependentResources(factory);
_textFormat = DirectWriteFactory.CreateTextFormat("Gabriola", 72);
_textFormat.TextAlignment = TextAlignment.Center;
_textFormat.ParagraphAlignment = ParagraphAlignment.Center;
float width = ClientSize.Width / _dpiScaleX;
float height = ClientSize.Height / _dpiScaleY;
_textLayout = DirectWriteFactory.CreateTextLayout(
_text,
_textFormat,
width,
height);
_textLayout.SetFontSize(100, new TextRange(20, 6));
_textLayout.SetUnderline(true, new TextRange(20, 11));
_textLayout.SetFontWeight(FontWeight.Bold, new TextRange(20, 11));
using (Typography typography = DirectWriteFactory.CreateTypography())
{
typography.AddFontFeature(FontFeatureTag.StylisticSet7, 1);
_textLayout.SetTypography(typography, new TextRange(0, _text.Length));
}
}
public D2D_TextElements CreateNewTextElements(UText t)
{
var textLayout = new TextLayout(dwFact, t.text, new TextFormat(
dwFact,
t.font.name,
t.font.bold ? FontWeight.Bold : FontWeight.Normal,
t.font.italic ? FontStyle.Italic : FontStyle.Normal,
TranslateFontSize(t.font.size))
{
ParagraphAlignment = Translate(t.valign),
TextAlignment = Translate(t.halign),
WordWrapping = t.wrapped ? WordWrapping.Wrap : WordWrapping.NoWrap
}, t.width, t.height);
// Set font ranges... textLayout just created, dont worry about any leftover ranges.
foreach (var sr in t.SafeGetStyleRanges)
{
var tr = new TextRange(sr.start, sr.length);
if (sr.fontOverride != null)
{
UFont ft = (UFont)sr.fontOverride;
textLayout.SetFontFamilyName(ft.name, tr);
textLayout.SetFontSize(TranslateFontSize(ft.size), tr);
textLayout.SetFontStyle(ft.italic ? FontStyle.Italic : FontStyle.Normal, tr);
textLayout.SetFontWeight(ft.bold ? FontWeight.Bold : FontWeight.Normal, tr);
}
if (sr.fgOverride != null || sr.bgOverride != null)
{
ClientTextEffect cte = new ClientTextEffect();
if (sr.fgOverride != null)
{
cte.fgBrush = CreateBrush(sr.fgOverride);
}
if (sr.bgOverride != null)
{
cte.bgBrush = CreateBrush(sr.bgOverride);
}
textLayout.SetDrawingEffect(cte, tr);
}
}
// Set renderer with a default brush
var def = new USolidBrush()
{
color = new Color(0)
};
var textRenderer = new D2D_ClientTextRenderer(realRenderer.renderTarget, new ClientTextEffect()
{
fgBrush = CreateBrush(def)
});
var ret = new D2D_TextElements(textLayout, textRenderer);
realRenderer.renderTarget.Disposed += new EventHandler <EventArgs>((o, e) => t.Invalidate());
return(ret);
}
public void DrawText(string text, float x, float y, float fontSize, Direct2DFont font, Direct2DBrush brush)
{
var layout = new TextLayout(_fontFactory, text, font, float.MaxValue, float.MaxValue);
layout.SetFontSize(fontSize, new TextRange(0, text.Length));
_device.DrawTextLayout(new RawVector2(x, y), layout, brush, DrawTextOptions.NoSnap);
layout.Dispose();
}
public void DrawTextWithBackground(string text, float x, float y, float fontSize, Direct2DFont font, Direct2DBrush brush, Direct2DBrush backgroundBrush)
{
var layout = new TextLayout(_fontFactory, text, font, float.MaxValue, float.MaxValue);
layout.SetFontSize(fontSize, new TextRange(0, text.Length));
float modifier = fontSize / 4.0f;
_device.FillRectangle(new RawRectangleF(x - modifier, y - modifier, x + layout.Metrics.Width + modifier, y + layout.Metrics.Height + modifier), backgroundBrush);
_device.DrawTextLayout(new RawVector2(x, y), layout, brush, DrawTextOptions.NoSnap);
layout.Dispose();
}
public void SetFont(Renderer.TextRange range, IFont font)
{
if (Surface.IsDisposing)
{
return;
}
if (!(font is DxFont dxFont))
{
throw new ArgumentOutOfRangeException(nameof(font), Error_FactoryObject);
}
Convert(range, out SharpDX.DirectWrite.TextRange dxRange);
TextLayout.SetFontFamilyName(dxFont.Family, dxRange);
TextLayout.SetFontSize(dxFont.Size, dxRange);
}
private void InitializeMultiformattedText()
{
_mainForm.MultiformattedTextRenderPanel.InitializeDevice();
_multiformattedTextBrush = new SolidColorBrush(MultiformattedRenderTarget, new Color4(0.0f, 0.0f, 0.0f));
string text = "Hello World using DirectWrite!";
_multiformattedLayout = _writeFactory.CreateTextLayout(text, _textFormat, 640.0f, 480.0f);
_multiformattedLayout.SetFontSize(100.0f, new TextRange(20, 6));
_multiformattedLayout.SetUnderline(true, new TextRange(20, 11));
_multiformattedLayout.SetFontWeight(FontWeight.Bold, new TextRange(20, 11));
using (Typography typography = _writeFactory.CreateTypography())
{
typography.AddFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
_multiformattedLayout.SetTypography(typography, new TextRange(0, text.Length));
}
}
protected override void OnCreateDeviceIndependentResources(Direct2DFactory factory)
{
base.OnCreateDeviceIndependentResources(factory);
_redColorDrawingEffect = new ColorDrawingEffect(Color.FromKnown(Colors.Red, 1));
_greenColorDrawingEffect = new ColorDrawingEffect(Color.FromKnown(Colors.Green, 1));
_blueColorDrawingEffect = new ColorDrawingEffect(Color.FromKnown(Colors.Blue, 1));
_textFormat = DirectWriteFactory.CreateTextFormat("Gabriola", 72);
_textFormat.TextAlignment = TextAlignment.Center;
_textFormat.ParagraphAlignment = ParagraphAlignment.Center;
float width = ClientSize.Width / _dpiScaleX;
float height = ClientSize.Height / _dpiScaleY;
_textLayout = DirectWriteFactory.CreateTextLayout(
_text,
_textFormat,
width,
height);
_textLayout.SetFontSize(100, new TextRange(20, 6));
_textLayout.SetDrawingEffect(_blueColorDrawingEffect, new TextRange(6, 5));
_textLayout.SetDrawingEffect(_redColorDrawingEffect, new TextRange(20, 6));
_textLayout.SetDrawingEffect(_greenColorDrawingEffect, new TextRange(26, 5));
ClientDrawingEffect effect = _textLayout.GetDrawingEffect(7);
_textLayout.SetUnderline(true, new TextRange(20, 11));
_textLayout.SetFontWeight(FontWeight.Bold, new TextRange(20, 11));
using (Typography typography = DirectWriteFactory.CreateTypography())
{
typography.AddFontFeature(FontFeatureTag.StylisticSet7, 1);
_textLayout.SetTypography(typography, new TextRange(0, _text.Length));
}
}
public override BuiltRichText BuildText(IList <RichTextNode> nodes, int width, float sizeMultiplier = 1)
{
var paragraphs = new List <List <RichTextNode> >();
paragraphs.Add(new List <RichTextNode>());
int first = 0;
while (nodes[first] is RichTextParagraphNode && first < nodes.Count)
{
first++;
}
DWrite.TextAlignment ta = CastAlignment((nodes[first] as RichTextTextNode).Alignment);
paragraphs[paragraphs.Count - 1].Add(nodes[first]);
foreach (var node in nodes.Skip(first + 1))
{
if (node is RichTextParagraphNode)
{
paragraphs.Add(new List <RichTextNode>());
}
else
{
var n = (RichTextTextNode)node;
var align = CastAlignment(n.Alignment);
if (align != ta && paragraphs[paragraphs.Count - 1].Count > 0)
{
paragraphs.Add(new List <RichTextNode>());
}
paragraphs[paragraphs.Count - 1].Add(node);
ta = align;
}
}
string lastFont = null;
float lastSize = 0;
//Format text
var layouts = new List <TextLayout>();
for (int j = 0; j < paragraphs.Count; j++)
{
var p = paragraphs[j];
var builder = new StringBuilder();
foreach (var n in p)
{
builder.Append(((RichTextTextNode)n).Contents);
}
var layout = new TextLayout(
dwFactory,
builder.ToString(),
new TextFormat(
dwFactory,
string.IsNullOrEmpty(lastFont) ? "Arial" : lastFont,
lastSize > 0 ? lastSize : 12
),
width,
float.MaxValue
);
if (p.Count > 0)
{
layout.TextAlignment = CastAlignment(((RichTextTextNode)p[0]).Alignment);
}
int startIdx = 0;
foreach (var n in p)
{
var text = (RichTextTextNode)n;
var range = new TextRange(startIdx, text.Contents.Length);
if (text.Bold)
{
layout.SetFontWeight(FontWeight.Bold, range);
}
if (text.Italic)
{
layout.SetFontStyle(FontStyle.Italic, range);
}
if (text.Underline)
{
layout.SetUnderline(true, range);
}
if (!string.IsNullOrEmpty(text.FontName))
{
layout.SetFontFamilyName(text.FontName, range);
lastFont = text.FontName;
}
if (text.FontSize > 0)
{
layout.SetFontSize(text.FontSize, range);
lastSize = text.FontSize;
}
layout.SetDrawingEffect(new ColorDrawingEffect(text.Color), range);
startIdx += text.Contents.Length;
}
layouts.Add(layout);
}
//Return
var built = new DirectWriteBuiltText(this)
{
Layout = layouts, Width = width
};
built.CacheQuads();
return(built);
}
protected override void DoApply(TextLayout layout, TextRange range)
{
layout.SetFontSize(this.Size, range);
}
protected override void DoApply(TextLayout layout, TextRange range)
{
layout.SetFontSize(this.Size, range);
}
private void InitializeMultiformattedText()
{
_mainForm.MultiformattedTextRenderPanel.InitializeDevice();
_multiformattedTextBrush = new SolidColorBrush(MultiformattedRenderTarget, new Color4(0.0f, 0.0f, 0.0f));
string text = "Hello World using DirectWrite!";
_multiformattedLayout = _writeFactory.CreateTextLayout(text, _textFormat, 640.0f, 480.0f);
_multiformattedLayout.SetFontSize(100.0f, new TextRange(20, 6));
_multiformattedLayout.SetUnderline(true, new TextRange(20, 11));
_multiformattedLayout.SetFontWeight(FontWeight.Bold, new TextRange(20, 11));
using (Typography typography = _writeFactory.CreateTypography())
{
typography.AddFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
_multiformattedLayout.SetTypography(typography, new TextRange(0, text.Length));
}
}
protected override void Apply(TextLayout layout, bool enable, int slice)
{
var res = layout.SetFontSize(size[slice], new TextRange(ffrom[slice], fto[slice]));
}
protected override void Apply(TextLayout layout, bool enable, int slice)
{
var res = layout.SetFontSize(size[slice], new TextRange(ffrom[slice], fto[slice]));
}
static void Main(string[] args)
{
mainForm = new RenderForm("Advanced Text rendering demo");
d2dFactory = new D2DFactory();
dwFactory = new DWriteFactory(SharpDX.DirectWrite.FactoryType.Shared);
textRenderer = new CustomColorRenderer();
CreateResources();
var bgcolor = new Color4(0.1f, 0.1f, 0.1f, 1.0f);
//This is the offset where we start our text layout
Vector2 offset = new Vector2(202.0f, 250.0f);
textFormat = new TextFormat(dwFactory, "Arial", FontWeight.Regular, FontStyle.Normal, 16.0f);
textLayout = new TextLayout(dwFactory, introText, textFormat, 300.0f, 200.0f);
//Apply various modifications to text
textLayout.SetUnderline(true, new TextRange(0, 5));
textLayout.SetDrawingEffect(greenBrush, new TextRange(10, 20));
textLayout.SetFontSize(24.0f, new TextRange(6, 4));
textLayout.SetFontFamilyName("Comic Sans MS", new TextRange(11, 7));
//Measure full layout
var textSize = textLayout.Metrics;
fullTextBackground = new RectangleF(textSize.Left + offset.X, textSize.Top + offset.Y, textSize.Width, textSize.Height);
//Measure text to apply background to
var metrics = textLayout.HitTestTextRange(53, 4, 0.0f, 0.0f)[0];
textRegionRect = new RectangleF(metrics.Left + offset.X, metrics.Top + offset.Y, metrics.Width, metrics.Height);
//Assign render target and brush to our custom renderer
textRenderer.AssignResources(renderTarget, defaultBrush);
RenderLoop.Run(mainForm, () =>
{
renderTarget.BeginDraw();
renderTarget.Clear(bgcolor);
renderTarget.FillRectangle(fullTextBackground, backgroundBrush);
renderTarget.FillRectangle(textRegionRect, redBrush);
textLayout.Draw(textRenderer, offset.X, offset.Y);
try
{
renderTarget.EndDraw();
}
catch
{
CreateResources();
}
});
d2dFactory.Dispose();
dwFactory.Dispose();
renderTarget.Dispose();
}
