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Added speech balloon shadow

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This commit is contained in:
Jaex 2016-11-29 23:23:34 +03:00
parent 58a6707635
commit 9000cf31a7
1 changed files with 73 additions and 66 deletions
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139
ShareX.ScreenCaptureLib/Shapes/Drawing/SpeechBalloonDrawingShape.cs
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@ -91,104 +91,111 @@ public override void Move(int x, int y)
public override void OnDraw(Graphics g)
{
DrawSpeechBalloon(g);
if (Rectangle.Width > 10 && Rectangle.Height > 10)
{
DrawSpeechBalloon(g);
DrawText(g);
}
}
protected void DrawSpeechBalloon(Graphics g)
{
if (Rectangle.Width > 10 && Rectangle.Height > 10)
if (Shadow && IsBorderVisible)
{
GraphicsPath gpTail = null;
DrawSpeechBalloon(g, ShadowColor, BorderSize, Color.Transparent, Rectangle.LocationOffset(ShadowOffset), TailPosition.Add(ShadowOffset));
}
if (TailVisible)
DrawSpeechBalloon(g, BorderColor, BorderSize, FillColor, Rectangle, TailPosition);
}
protected void DrawSpeechBalloon(Graphics g, Color borderColor, int borderSize, Color fillColor, Rectangle rect, Point tailPosition)
{
GraphicsPath gpTail = null;
if (TailVisible)
{
gpTail = CreateTailPath(rect, tailPosition);
}
if (fillColor.A > 0)
{
using (Brush brush = new SolidBrush(fillColor))
{
gpTail = CreateTailPath();
g.FillRectangle(brush, rect);
}
}
if (FillColor.A > 0)
if (gpTail != null)
{
g.SmoothingMode = SmoothingMode.HighQuality;
if (fillColor.A > 0)
{
using (Brush brush = new SolidBrush(FillColor))
g.ExcludeClip(rect);
using (Brush brush = new SolidBrush(fillColor))
{
g.FillRectangle(brush, Rectangle);
}
}
if (gpTail != null)
{
g.SmoothingMode = SmoothingMode.HighQuality;
if (FillColor.A > 0)
{
g.ExcludeClip(Rectangle);
using (Brush brush = new SolidBrush(FillColor))
{
g.FillPath(brush, gpTail);
}
g.ResetClip();
}
if (BorderSize > 0 && BorderColor.A > 0)
{
g.ExcludeClip(Rectangle.Offset(-1));
using (Pen pen = new Pen(BorderColor, BorderSize))
{
g.DrawPath(pen, gpTail);
}
g.ResetClip();
}
g.SmoothingMode = SmoothingMode.None;
}
if (BorderSize > 0 && BorderColor.A > 0)
{
if (gpTail != null)
{
using (Region region = new Region(gpTail))
{
g.ExcludeClip(region);
}
}
Rectangle rect = Rectangle.Offset(BorderSize - 1);
using (Pen pen = new Pen(BorderColor, BorderSize) { Alignment = PenAlignment.Inset })
{
g.DrawRectangleProper(pen, rect);
g.FillPath(brush, gpTail);
}
g.ResetClip();
}
if (gpTail != null)
if (borderSize > 0 && borderColor.A > 0)
{
gpTail.Dispose();
g.ExcludeClip(rect.Offset(-1));
using (Pen pen = new Pen(borderColor, borderSize))
{
g.DrawPath(pen, gpTail);
}
g.ResetClip();
}
DrawText(g);
g.SmoothingMode = SmoothingMode.None;
}
if (borderSize > 0 && borderColor.A > 0)
{
if (gpTail != null)
{
using (Region region = new Region(gpTail))
{
g.ExcludeClip(region);
}
}
using (Pen pen = new Pen(borderColor, borderSize) { Alignment = PenAlignment.Inset })
{
g.DrawRectangleProper(pen, rect.Offset(borderSize - 1));
}
g.ResetClip();
}
if (gpTail != null)
{
gpTail.Dispose();
}
}
protected GraphicsPath CreateTailPath()
protected GraphicsPath CreateTailPath(Rectangle rect, Point tailPosition)
{
GraphicsPath gpTail = new GraphicsPath();
Point center = Rectangle.Center();
int rectAverageSize = (Rectangle.Width + Rectangle.Height) / 2;
Point center = rect.Center();
int rectAverageSize = (rect.Width + rect.Height) / 2;
int tailWidth = (int)(TailWidthMultiplier * rectAverageSize);
tailWidth = Math.Min(Math.Min(tailWidth, Rectangle.Width), Rectangle.Height);
tailWidth = Math.Min(Math.Min(tailWidth, rect.Width), rect.Height);
int tailOrigin = tailWidth / 2;
int tailLength = (int)MathHelpers.Distance(center, TailPosition);
int tailLength = (int)MathHelpers.Distance(center, tailPosition);
gpTail.AddLine(0, -tailOrigin, 0, tailOrigin);
gpTail.AddLine(0, tailOrigin, tailLength, 0);
gpTail.CloseFigure();
using (Matrix matrix = new Matrix())
{
matrix.Translate(center.X, center.Y);
float tailDegree = MathHelpers.LookAtDegree(center, TailPosition);
float tailDegree = MathHelpers.LookAtDegree(center, tailPosition);
matrix.Rotate(tailDegree);
gpTail.Transform(matrix);
}