private void ExtendRectangle(BoundedText text, Graphics graphics, int recursionLevel = 0)
{
const int maxRecursionLevel = 20;
if (!text.GetBlackBox().IsEmpty || recursionLevel >= maxRecursionLevel)
{
return;
}
// Calculate increment for the rectangle dimensions. It must be a positive even integer.
var increment = (int)(System.Math.Min(graphics.Width, graphics.Height) * 0.1f);
if (increment % 2 == 1)
{
increment += 1;
}
increment = System.Math.Max(increment, Common.ConvertPointsToPixels(graphics.DpiX, 2));
// Create an extended rectangle and move its top-left corner in accordance with the alignment
var rect = new RectangleF(text.Rectangle.X, text.Rectangle.Y, text.Rectangle.Width + increment, text.Rectangle.Height + increment);
if (text.Alignment == AdvancedTextAlignment.Center)
{
rect.X -= increment / 2f;
}
else if (text.Alignment == AdvancedTextAlignment.Right)
{
rect.X -= increment;
}
text.Rectangle = rect;
ExtendRectangle(text, graphics, ++recursionLevel);
}
public void pinning_tests_for_text_measurer_centered_large_middle_string()
{
var fontMetrics = new MonospacedFontMetrics(new Point(2, 3));
var textMeasurer = new BoundedText(
new Point(100, 200),
Alignment.Center,
Overflow.Elide,
new FormattedText(new FormattedTextFragment("Short top string\nlooooooooooong.... middle.... string\nshort bottom", fontMetrics, Color.White)));
textMeasurer.TopLeftOfText().Should().Be(new Point(14, 96));
// textMeasurer.Lines.Should().HaveCount(3);
// textMeasurer.Lines[0].TextContent.Should().Be("Short top string");
textMeasurer.GetRectOfLine(0).Location.X.Should().Be(34);
textMeasurer.GetRectOfLine(0).Location.Y.Should().Be(96);
// textMeasurer.Lines[1].TextContent.Should().Be("looooooooooong.... middle.... string");
textMeasurer.GetRectOfLine(1).Location.X.Should().Be(14);
textMeasurer.GetRectOfLine(1).Location.Y.Should().Be(99);
// textMeasurer.Lines[2].TextContent.Should().Be("short bottom");
textMeasurer.GetRectOfLine(2).Location.X.Should().Be(38);
textMeasurer.GetRectOfLine(2).Location.Y.Should().Be(102);
}
/// <summary>
/// Draws text wrapped around path
/// </summary>
private static void DrawTextWrappedAroundPath()
{
using (var bitmap = new Bitmap(400, 400, PixelFormat.Format24bppRgb, RgbColor.White))
using (var graphics = bitmap.GetAdvancedGraphics())
{
var dummyText = @"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do " +
"eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim " +
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo " +
"consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum " +
"dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, " +
"sunt in culpa qui officia deserunt mollit anim id est laborum.";
var boundedText = new BoundedText(dummyText, graphics.CreateFont("Verdana", 18f),
new SolidBrush(RgbColor.Black))
{
Rectangle = new System.Drawing.RectangleF(20f, 20f, 360f, 360f)
};
// Adding paths which you need to wrap with the text
var wrappingPath = new Path();
wrappingPath.DrawEllipse(200, 80, 200, 200);
boundedText.WrappingPaths.Add(wrappingPath);
graphics.DrawText(boundedText);
// Drawing frames around text blocks (for demonstration purposes)
graphics.FillPath(new SolidBrush(RgbColor.LightGreen), wrappingPath);
graphics.DrawRectangle(new Pen(RgbColor.Red), boundedText.Rectangle);
bitmap.Save("../../../../_Output/DrawTextWrappedAroundPath.png");
}
}
/// <summary>
/// Draws multilanguage text with font fallback support
/// </summary>
private static void DrawTextWithFontFallback()
{
using (var bitmap = new Bitmap(400, 200, PixelFormat.Format24bppRgb, RgbColor.White))
using (var graphics = bitmap.GetAdvancedGraphics())
{
var fontRegistry = new CustomFontRegistry();
fontRegistry.Add("../../../../_Input/Fonts/Lobster.ttf");
fontRegistry.Add("../../../../_Input/Fonts/ARIALUNI.TTF");
fontRegistry.FallbackFonts.Add("Arial Unicode MS");
graphics.FontRegistry = fontRegistry;
var dummyText = "Lorem ipsum dolor sit amet, ex mel latine pertinax. 載自大制節規信兵著旋避漂。";
var boundedText = new BoundedText(dummyText, graphics.CreateFont("Lobster", 32f),
new SolidBrush(RgbColor.Black))
{
Rectangle = new System.Drawing.RectangleF(20f, 20f, 360f, 360f)
};
graphics.DrawText(boundedText);
bitmap.Save("../../../../_Output/DrawTextWithFontFallback.png");
}
}
public void bounded_text_can_have_zero_fragments()
{
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide);
var textList = textMeasurer.GetRenderedText();
textList.Should().HaveCount(0);
}
public void pinning_tests_for_text_measurer_bottomright()
{
var fontMetrics = new MonospacedFontMetrics(new Point(2, 3));
var textMeasurer = new BoundedText(
new Point(100, 200),
Alignment.BottomRight,
Overflow.Elide,
new FormattedText(new FormattedTextFragment("This is a very long string. I thought about referencing some meme here in this string.\nBut then I changed my mind.", fontMetrics, Color.White)));
textMeasurer.TopLeftOfText().Should().Be(new Point(12, 191));
// textMeasurer.Lines.Should().HaveCount(3);
// textMeasurer.Lines[0].TextContent.Should().Be("This is a very long string. I thought about ");
textMeasurer.GetRectOfLine(0).Location.X.Should().Be(12);
textMeasurer.GetRectOfLine(0).Location.Y.Should().Be(191);
// textMeasurer.Lines[1].TextContent.Should().Be("referencing some meme here in this string.");
textMeasurer.GetRectOfLine(1).Location.X.Should().Be(16);
textMeasurer.GetRectOfLine(1).Location.Y.Should().Be(194);
// textMeasurer.Lines[2].TextContent.Should().Be("But then I changed my mind.");
textMeasurer.GetRectOfLine(2).Location.X.Should().Be(46);
textMeasurer.GetRectOfLine(2).Location.Y.Should().Be(197);
}
public static string DrawResult(BoundedText textMeasurer)
{
var drawPanel = new AsciiDrawPanel(textMeasurer.TotalAvailableSize);
drawPanel.DrawRectangle(new Rectangle(Point.Zero, textMeasurer.TotalAvailableSize), '#');
return(DrawRenderedText(drawPanel, textMeasurer.GetRenderedText()));
}
public void occlude_entire_last_token()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide, new FormattedText(new FormattedTextFragment("This is a test", fontMetrics, Color.White)));
var textList = textMeasurer.GetRenderedText(occludedCharactersCount: 4);
textList.Should().HaveCount(6);
textList[5].Text.Should().Be(" ");
}
public void occlude_way_too_much()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide, new FormattedText(new FormattedTextFragment("Hi", fontMetrics, Color.White)));
var textList = textMeasurer.GetRenderedText(occludedCharactersCount: 999999);
textList.Should().HaveCount(0);
}
public void occlude_zero_characters_by_default()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide, new FormattedText(new FormattedTextFragment("This is a test", fontMetrics, Color.White)));
var textList = textMeasurer.GetRenderedText();
textList.Should().HaveCount(7);
textList[6].Text.Should().Be("test");
}
public void occlude_half_of_string()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide, new FormattedText(new FormattedTextFragment("Ragglest the Fragglest", fontMetrics, Color.White)));
var textList = textMeasurer.GetRenderedText(occludedCharactersCount: 12);
textList.Should().HaveCount(3);
textList[2].Text.Should().Be("t");
}
public void text_rendering_pinning_approval()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(60, 40),
Alignment.Center,
Overflow.Elide,
new FormattedText(new FormattedTextFragment("I'm the rootinest tootinest gunslinger on this here side of the mississouri.\n\nSo watch out!", fontMetrics, Color.White)));
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void newlines_are_not_counted_as_rendered_text()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide, new FormattedText(new FormattedTextFragment("New\nLine", fontMetrics, Color.White)));
var renderedText = textMeasurer.GetRenderedText();
renderedText.Should().HaveCount(2);
renderedText[0].Text.Should().Be("New");
renderedText[1].Text.Should().Be("Line");
}
public override void Draw(SpriteBatch spriteBatch)
{
List <RenderableText> renderableTexts = BoundedText.GetRenderedText(transform.Position.ToPoint(), this.boundingRect.TopLeft.ToPoint(), OccludedIndex);
foreach (var renderableText in renderableTexts)
{
renderableText.Draw(spriteBatch, DrawOffset, transform.Angle, transform.Depth + this.depthOffset);
if (this.isDropShadowEnabled)
{
renderableText.DrawDropShadow(spriteBatch, this.dropShadowColor, DrawOffset, transform.Angle, transform.Depth + this.depthOffset);
}
}
}
public void elide_words_many_short_words()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(50, 30),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("I'm about to walk\noff the edge of the string\nhere I go!\na b c d e f g", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void allow_free_overflow()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(25, 25),
Alignment.Center,
Overflow.Ignore,
new FormattedText(
new FormattedTextFragment("It is OK that we overflow here", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void elide_one_line_long_word()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(50, 4),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("let's goooooooooooooo!", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void several_linebreaks_back_to_back()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(50, 30),
Alignment.TopLeft,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("One line\nTwo lines\n\nThree lines\n\n\nDone!", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void can_get_used_space_elided()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(25, 25),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("How\nbig\nis\nthis?", font, Color.Orange)
)
);
textMeasurer.UsedSize.Should().Be(new Point(20, 16));
}
public void can_get_used_space_not_elided()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(25, 25),
Alignment.Center,
Overflow.Ignore,
new FormattedText(
new FormattedTextFragment("Really big string\nHow big is this?", font, Color.Orange)
)
);
textMeasurer.UsedSize.Should().Be(new Point(24, 24));
}
public void can_get_used_space_with_extra_room()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(100, 100),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("Really big string\nHow big is this?", font, Color.Orange)
)
);
textMeasurer.UsedSize.Should().Be(new Point(68, 8));
}
public void elide_words_narrow_box()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(10, 30),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("O Nothing fits in this box", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void can_get_used_space_with_forced_linebreak()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(100, 100),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("Really loooooonnnng string that will linebreak\nHow big is this?", font, Color.Orange)
)
);
textMeasurer.UsedSize.Should().Be(new Point(80, 16));
}
private static void MergeLayers(PsdReader psdReader, Graphics graphics, Func <PsdTextFrame, string> getLayerText)
{
// Merge layers
for (int i = 0; i < psdReader.Frames.Count; i++)
{
var frame = psdReader.Frames[i];
if (frame.Type == FrameType.Text)
{
var textFrame = (PsdTextFrame)frame;
var layerText = getLayerText(textFrame);
Text text;
var font = graphics.CreateFont(textFrame.FontName, textFrame.FontSize);
if (textFrame.Raw.TextBox.Width == 0 || textFrame.Raw.TextBox.Height == 0)
{
text = new PlainText(layerText, font)
{
Position = new System.Drawing.PointF(textFrame.Raw.TextBox.Left, textFrame.Raw.TextBox.Top)
};
}
else
{
text = new BoundedText(layerText, font)
{
Rectangle = textFrame.Raw.TextBox
};
}
text.Alignment = JustificationToTextAlignment(textFrame.Justification);
text.Brush = new SolidBrush(textFrame.Color);
text.Transform = textFrame.Transform;
graphics.DrawText(text);
}
else if (frame.Type == FrameType.Raster)
{
using (var frameBitmap = frame.GetBitmap())
{
graphics.DrawImage(frameBitmap, frame.X, frame.Y);
}
}
}
}
public void elide_words_on_next_line_exact_length()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(50, 30),
Alignment.Center,
Overflow.Elide,
new FormattedText(
// the typo in "aand" is intentional here
new FormattedTextFragment("I'm about to walk\noff the edge of the string\nhere I go! aand more words words words", font, Color.Orange)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void multi_line_with_image()
{
var font = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(
new Point(50, 30),
Alignment.TopLeft,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("Wordswords\n", font, Color.Orange),
new ImageTextFragment(new Point(8, 8), null),
new FormattedTextFragment("words words", font, Color.LightBlue)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void text_measurer_generates_accurate_output()
{
var textMeasurer = new BoundedText(
new Point(200, 200),
Alignment.Center,
Overflow.Ignore,
new FormattedText(new FormattedTextFragment("Hello world", new MonospacedFontMetrics(new Point(2, 3)), Color.White)));
// textMeasurer.Lines.Should().HaveCount(1);
var expectedX = 89;
textMeasurer.GetRectOfLine(0).Location.X.Should().Be(expectedX);
var localTextPos = textMeasurer.TopLeftOfText();
localTextPos.Should().Be(new Point(expectedX, 99));
}
public void changing_fonts_can_cause_natural_linebreaks()
{
var small = new MonospacedFontMetrics(new Point(4, 4));
var medium = new MonospacedFontMetrics(new Point(6, 6));
var textMeasurer = new BoundedText(
new Point(50, 30),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("Changing fonts can cause a natural line", small, Color.White),
new FormattedTextFragment("break", medium, Color.White)
)
);
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
public void bounded_text_can_have_multiple_fragments()
{
var fontMetrics = new MonospacedFontMetrics(new Point(4, 4));
var textMeasurer = new BoundedText(new Point(60, 40), Alignment.Center, Overflow.Elide,
new FormattedText(
new FormattedTextFragment("He", fontMetrics, Color.White),
new FormattedTextFragment("llo ", fontMetrics, Color.White),
new FormattedTextFragment("World!", fontMetrics, Color.White)
));
var textList = textMeasurer.GetRenderedText();
textList.Should().HaveCount(4);
textList[0].Text.Should().Be("He");
textList[1].Text.Should().Be("llo");
textList[2].Text.Should().Be(" ");
textList[3].Text.Should().Be("World!");
textMeasurer.UsedSize.Should().Be(new Point(48, 4));
}
public void bounded_text_can_support_different_font_sizes()
{
var small = new MonospacedFontMetrics(new Point(4, 4));
var tall = new MonospacedFontMetrics(new Point(4, 8));
var medium = new MonospacedFontMetrics(new Point(6, 6));
var big = new MonospacedFontMetrics(new Point(12, 12));
var textMeasurer = new BoundedText(
new Point(82, 20),
Alignment.Center,
Overflow.Elide,
new FormattedText(
new FormattedTextFragment("Go", small, Color.White),
new FormattedTextFragment("big", big, Color.White),
new FormattedTextFragment("or", tall, Color.White),
new FormattedTextFragment("go", medium, Color.White),
new FormattedTextFragment("home", small, Color.White)
));
Approvals.Verify(TextMeasureUtils.DrawResult(textMeasurer));
}
