private CanvasTextLayout CreateTextLayout(ICanvasResourceCreator resourceCreator, float canvasWidth, float canvasHeight)
{
string testString;
if (CurrentTextLengthOption == TextLengthOption.Short)
{
testString = "one two";
}
else
{
testString = "This is some text which demonstrates Win2D's text-to-geometry option; there are sub-options of this test which apply lining options such as underline or strike-through. Additionally, this example applies different text directions to ensure glyphs are transformed correctly.";
}
if(ThumbnailGenerator.IsDrawingThumbnail)
{
testString = "a";
}
for (int i = 0; i < testString.Length; ++i)
{
if (testString[i] == ' ')
{
int nextSpace = testString.IndexOf(' ', i + 1);
int limit = nextSpace == -1 ? testString.Length : nextSpace;
WordBoundary wb = new WordBoundary();
wb.Start = i + 1;
wb.Length = limit - i - 1;
everyOtherWordBoundary.Add(wb);
i = limit;
}
}
float sizeDim = Math.Min(canvasWidth, canvasHeight);
CanvasTextFormat textFormat = new CanvasTextFormat()
{
FontSize = CurrentTextLengthOption == TextLengthOption.Paragraph? sizeDim * 0.09f : sizeDim * 0.3f,
Direction = CurrentTextDirection,
};
if (ThumbnailGenerator.IsDrawingThumbnail)
{
textFormat.FontSize = sizeDim * 0.75f;
}
CanvasTextLayout textLayout = new CanvasTextLayout(resourceCreator, testString, textFormat, canvasWidth, canvasHeight);
if(CurrentTextEffectOption == TextEffectOption.UnderlineEveryOtherWord)
{
foreach(WordBoundary wb in everyOtherWordBoundary)
{
textLayout.SetUnderline(wb.Start, wb.Length, true);
}
}
else if (CurrentTextEffectOption == TextEffectOption.StrikeEveryOtherWord)
{
foreach (WordBoundary wb in everyOtherWordBoundary)
{
textLayout.SetStrikethrough(wb.Start, wb.Length, true);
}
}
textLayout.VerticalGlyphOrientation = CurrentVerticalGlyphOrientation;
return textLayout;
}
private CanvasTextLayout CreateTextLayout(ICanvasResourceCreator resourceCreator, float canvasWidth, float canvasHeight)
{
float sizeDim = Math.Min(canvasWidth, canvasHeight);
CanvasTextFormat textFormat = new CanvasTextFormat()
{
FontSize = ThumbnailGenerator.IsDrawingThumbnail? sizeDim * 0.25f : sizeDim * 0.085f,
Direction = CurrentTextDirection,
};
CanvasTextLayout textLayout = new CanvasTextLayout(resourceCreator, testString, textFormat, canvasWidth, canvasHeight);
if (CurrentTextEffectOption == TextEffectOption.UnderlineEveryOtherWord)
{
foreach (Utils.WordBoundary wb in everyOtherWordBoundary)
{
textLayout.SetUnderline(wb.Start, wb.Length, true);
}
}
else if (CurrentTextEffectOption == TextEffectOption.StrikeEveryOtherWord)
{
foreach (Utils.WordBoundary wb in everyOtherWordBoundary)
{
textLayout.SetStrikethrough(wb.Start, wb.Length, true);
}
}
textLayout.VerticalGlyphOrientation = CurrentVerticalGlyphOrientation;
return textLayout;
}
public void Draw(object ds, XText text, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _ds = ds as CanvasDrawingSession;
var tbind = text.BindToTextProperty(db, r);
if (string.IsNullOrEmpty(tbind))
return;
var brush = ToColor(text.Style.Stroke);
var fontWeight = FontWeights.Normal;
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Bold))
{
fontWeight = FontWeights.Bold;
}
var fontStyle = Windows.UI.Text.FontStyle.Normal;
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Italic))
{
fontStyle = Windows.UI.Text.FontStyle.Italic;
}
var format = new CanvasTextFormat()
{
FontFamily = text.Style.TextStyle.FontName,
FontWeight = fontWeight,
FontStyle = fontStyle,
FontSize = (float)text.Style.TextStyle.FontSize,
WordWrapping = CanvasWordWrapping.NoWrap
};
var rect = Rect2.Create(text.TopLeft, text.BottomRight, dx, dy);
var layout = new CanvasTextLayout(_ds, tbind, format, (float)rect.Width, (float)rect.Height);
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Underline))
{
layout.SetUnderline(0, tbind.Length, true);
}
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Strikeout))
{
layout.SetStrikethrough(0, tbind.Length, true);
}
switch (text.Style.TextStyle.TextHAlignment)
{
case TextHAlignment.Left:
layout.HorizontalAlignment = CanvasHorizontalAlignment.Left;
break;
case TextHAlignment.Center:
layout.HorizontalAlignment = CanvasHorizontalAlignment.Center;
break;
case TextHAlignment.Right:
layout.HorizontalAlignment = CanvasHorizontalAlignment.Right;
break;
}
switch (text.Style.TextStyle.TextVAlignment)
{
case TextVAlignment.Top:
layout.VerticalAlignment = CanvasVerticalAlignment.Top;
break;
case TextVAlignment.Center:
layout.VerticalAlignment = CanvasVerticalAlignment.Center;
break;
case TextVAlignment.Bottom:
layout.VerticalAlignment = CanvasVerticalAlignment.Bottom;
break;
}
_ds.DrawTextLayout(
layout,
new N.Vector2(
(float)rect.X,
(float)rect.Y),
brush);
layout.Dispose();
format.Dispose();
}
private CanvasTextLayout CreateTextLayout(ICanvasResourceCreator resourceCreator, float canvasWidth, float canvasHeight)
{
string testString;
if (CurrentTextLengthOption == TextLengthOption.Short)
{
testString = "one two";
}
else
{
testString = "This is some text which demonstrates Win2D's text-to-geometry option; there are sub-options of this test which apply lining options such as underline or strike-through. Additionally, this example applies different text directions to ensure glyphs are transformed correctly.";
}
if (ThumbnailGenerator.IsDrawingThumbnail)
{
testString = "a";
}
everyOtherWordBoundary = Utils.GetEveryOtherWord(testString);
float sizeDim = Math.Min(canvasWidth, canvasHeight);
CanvasTextFormat textFormat = new CanvasTextFormat()
{
FontSize = CurrentTextLengthOption == TextLengthOption.Paragraph? sizeDim * 0.09f : sizeDim * 0.3f,
Direction = CurrentTextDirection,
};
if (ThumbnailGenerator.IsDrawingThumbnail)
{
textFormat.FontSize = sizeDim * 0.75f;
}
CanvasTextLayout textLayout = new CanvasTextLayout(resourceCreator, testString, textFormat, canvasWidth, canvasHeight);
if (CurrentTextEffectOption == TextEffectOption.UnderlineEveryOtherWord)
{
foreach (var wb in everyOtherWordBoundary)
{
textLayout.SetUnderline(wb.Start, wb.Length, true);
}
}
else if (CurrentTextEffectOption == TextEffectOption.StrikeEveryOtherWord)
{
foreach (var wb in everyOtherWordBoundary)
{
textLayout.SetStrikethrough(wb.Start, wb.Length, true);
}
}
textLayout.TrimmingGranularity = CanvasTextTrimmingGranularity.Character;
textLayout.TrimmingSign = CanvasTrimmingSign.Ellipsis;
textLayout.VerticalGlyphOrientation = CurrentVerticalGlyphOrientation;
return textLayout;
}