public void Reset(Canvas target, Device2D device2D)
{
ShapedText shapedOutput = new ShapedText();
const string plainText = "Hello world!";
device2D.TextShaper.Begin(shapedOutput, plainText);
device2D.TextShaper.AnalyzeScripts();
device2D.TextShaper.SetPointSize(plainText, 95.0f);
device2D.TextShaper.End();
List<GlyphOutline> outlines = new List<GlyphOutline>();
foreach(TextShaper.Span span in shapedOutput.Spans)
{
foreach(int clusterIndex in span.Clusters)
{
TextShaper.Cluster cluster = shapedOutput.Clusters[clusterIndex];
outlines.Add(
device2D.Resources.GetGlyphOutline(
cluster.Glyphs,
false,
false,
span.FontMetrics.FontId,
shapedOutput.Glyphs));
}
}
device2D.Painter.Begin(target);
device2D.Painter.SetBrush(Resources.Foreground);
foreach(TextShaper.Span span in shapedOutput.Spans)
{
float emSize = span.FontMetrics.MeasureEm(span.PointSize);
foreach(int clusterIndex in span.Clusters)
{
float advance = shapedOutput.Clusters[clusterIndex].Advance;
if (_AreRegionsDisplayed)
{
device2D.Painter.SaveState();
device2D.Painter.StrokeWidth = 0.5f;
device2D.Painter.LineStyle = LineStyle.Dash;
device2D.Painter.SetBrush(Color.Red);
device2D.Painter.StrokeRectangle(0, 0, advance, emSize);
device2D.Painter.SetBrush(Resources.Foreground);
device2D.Painter.RestoreState();
}
float baseline = outlines[clusterIndex].Baseline;
device2D.Painter.SaveState();
device2D.Painter.Scale(emSize, emSize);
device2D.Painter.Translate(0, baseline);
if(outlines[clusterIndex].Shape != null)
{
device2D.Painter.Fill(outlines[clusterIndex].Shape);
}
device2D.Painter.RestoreState();
device2D.Painter.Translate(advance, 0);
}
}
device2D.Painter.End();
}
private static void DrawText(Point location, string text, Device2D device2D)
{
ShapedText shapedOutput = new ShapedText();
device2D.TextShaper.Begin(shapedOutput, text);
device2D.TextShaper.AnalyzeScripts();
device2D.TextShaper.SetFamily(text, "Lucida Console");
device2D.TextShaper.SetPointSize(text, 12.0f);
device2D.TextShaper.End();
List<GlyphOutline> outlines = new List<GlyphOutline>();
foreach(TextShaper.Span span in shapedOutput.Spans)
{
foreach(int clusterIndex in span.Clusters)
{
TextShaper.Cluster cluster = shapedOutput.Clusters[clusterIndex];
outlines.Add(
device2D.Resources.GetGlyphOutline(
cluster.Glyphs,
false,
false,
span.FontMetrics.FontId,
shapedOutput.Glyphs));
}
}
device2D.Painter.SaveState();
device2D.Painter.Translate(location);
foreach(TextShaper.Span span in shapedOutput.Spans)
{
float emSize = span.FontMetrics.MeasureEm(span.PointSize);
foreach(int clusterIndex in span.Clusters)
{
device2D.Painter.SaveState();
device2D.Painter.Scale(emSize, emSize);
device2D.Painter.Translate(0, outlines[clusterIndex].Baseline);
if(outlines[clusterIndex].Shape != null)
{
device2D.Painter.Fill(outlines[clusterIndex].Shape);
}
device2D.Painter.RestoreState();
device2D.Painter.Translate(
shapedOutput.Clusters[clusterIndex].Advance, 0);
}
}
device2D.Painter.RestoreState();
}
private static Rectangle MeasureText(string text, Device2D device2D)
{
ShapedText shapedOutput = new ShapedText();
device2D.TextShaper.Begin(shapedOutput, text);
device2D.TextShaper.AnalyzeScripts();
device2D.TextShaper.SetFamily(text, "Lucida Console");
device2D.TextShaper.SetPointSize(text, 12.0f);
device2D.TextShaper.End();
float maxWidth = 0.0f;
float maxHeight = 0.0f;
foreach(TextShaper.Span span in shapedOutput.Spans)
{
maxHeight = Math.Max(
maxHeight,
span.FontMetrics.MeasureEm(span.PointSize));
foreach(int clusterIndex in span.Clusters)
{
maxWidth += shapedOutput.Clusters[clusterIndex].Advance;
}
}
return new Rectangle(Point.Empty, maxWidth, maxHeight);
}
public void Reset(Canvas target, Device2D device2D)
{
if(device2D.Resources.FindEffect<DistanceEffectSettings>() == null)
{
device2D.Resources.RegisterEffect<DistanceFieldEffect>();
}
ShapedText output = new ShapedText();
const string text = "M";
device2D.TextShaper.Begin(output, text);
device2D.TextShaper.AnalyzeScripts();
device2D.TextShaper.SetFamily(text, "Arno Pro");
device2D.TextShaper.SetPointSize(text, 12.0f);
device2D.TextShaper.SetFeatures(text, new FontFeatureCollection(new[] {new FontFeature("swsh")}));
device2D.TextShaper.End();
GlyphOutline outline =
device2D.Resources.GetGlyphOutline(
new IndexedRange(0, 1),
false,
false,
output.Spans[0].FontMetrics.FontId,
output.Glyphs);
GC.Collect(4);
Canvas test2 = new Canvas(new Size(128, 128), SurfaceUsage.Normal);
Stopwatch watch = new Stopwatch();
watch.Start();
Canvas test = _Distance.CreateField(
outline.Shape, outline.Baseline, device2D);
watch.Stop();
//mForm.Text = string.Format("Time: {0}", watch.ElapsedMilliseconds);
Debug.WriteLine("Time: {0}", watch.ElapsedMilliseconds);
Rectangle reg = device2D.Geometry.MeasureRegion(outline.Shape);
device2D.Painter.Begin(target);
device2D.Painter.Translate(test.Region.X, test.Region.Y);
device2D.Painter.Translate((0.5f - (reg.Width / 2.0f)) * 400, (0.5f - (reg.Height / 2.0f)) * 400);
// translate the glyph to the left corner of the EM square
device2D.Painter.Translate(-reg.X * 400, -reg.Y * 400);
device2D.Painter.SetBrush(Color.Black);
device2D.Painter.Scale(400, 400);
device2D.Painter.Fill(outline.Shape);
device2D.Painter.End(); //*/
device2D.Compositor.Begin(target, Retention.RetainData);
DistanceEffectSettings settings;
device2D.Compositor.Translate(400, 0);
device2D.Compositor.Scale(3.125f, 3.125f);
device2D.Compositor.ApplyEffect(settings);
device2D.Compositor.Composite(test);
device2D.Compositor.End();
device2D.Painter.Begin(target, Retention.RetainData);
device2D.Painter.SetBrush(Color.IndianRed);
device2D.Painter.IsAntialiased = Antialiasing.Aliased;
device2D.Painter.StrokeWidth = DistanceField.EmLength / 400;
device2D.Painter.Scale(1.0f / DistanceField.EmLength, 1.0f / DistanceField.EmLength);
device2D.Painter.Scale(400, 400);
TestTest(_Distance.Sample, device2D);
device2D.Painter.End();
//device2D.Resources.DumpToFiles(null, SurfaceUsage.Normal); //*/
}
