bool IsCaptionInRect(CaptionFont captionFont)
{
SizeF size = this.CreateGraphics().MeasureString(CaptionText, captionFont.CreateFont(), 10000);
if (FormMain.UserConfig.ReduceFontSizeByWindowWidth && size.Width > (float)Width - 20.0f)
{
return(false);
}
if (FormMain.UserConfig.ReduceFontSizeByWindowHeight && size.Height > (float)Height - 27.0f)
{
return(false);
}
return(true);
}
public CaptionFont(CaptionFont captionFont)
{
Name = captionFont.Name;
Size = captionFont.Size;
BorderSize = captionFont.BorderSize;
Italic = captionFont.Italic;
Bold = captionFont.Bold;
IsDirectionVertical = captionFont.IsDirectionVertical;
IsInitialized = captionFont.IsInitialized;
//HighForeColor = captionFont.HighForeColor;
//LowForeColor = captionFont.LowForeColor;
//BorderColor = captionFont.HighForeColor;
//this.Colors = new CaptionColors(captionFont.Colors);
this.Colors = captionFont.Colors;
foreBrush = captionFont.foreBrush;
borderBrush = captionFont.BorderBrush;
}
//字幕描画 全体
private void FormCaption_Paint(object sender, PaintEventArgs e)
{
if (borderVisible)
{
//枠描画
Rectangle rect = this.ClientRectangle;
rect.Inflate(new Size(-2, -2));
e.Graphics.DrawRectangle(new Pen(Brushes.YellowGreen, 4), rect);
}
float fontSize = 0.0f;
if (CaptionText != "")
{
//字幕描画
Rectangle captionRect = this.ClientRectangle;
const int offsetY = 7;
captionRect.Y = offsetY;
captionRect.Height -= offsetY;
captionRect.Inflate(-10, -10);
CaptionFont captionFont = FormMain.UserConfig.CaptionFont;
if (isAAMode_)
{
const float minSize = 6.0f;
captionFont = new CaptionFont(FormMain.UserConfig.AACaptionFont);
captionFont.Bold = true;
float highSize = captionFont.Size;
float lowSize = highSize / 2;
while (true)
{
captionFont.Size = highSize;
if (IsCaptionInRect(captionFont))
{
break;
}
captionFont.Size = lowSize;
if (IsCaptionInRect(captionFont))
{
float size = (highSize + lowSize) / 2;
captionFont.Size = size;
if (IsCaptionInRect(captionFont))
{
lowSize = size;
}
else
{
highSize = size;
}
}
else
{
highSize = lowSize;
lowSize = highSize / 2;
}
if (lowSize < minSize)
{
lowSize = minSize;
}
if (System.Math.Abs(highSize - lowSize) < 1.0f)
{
captionFont.Size = lowSize;
break;
}
}
}
fontSize = captionFont.Size;
DrawCaption(e.Graphics, captionRect, CaptionText, captionFont, isAAMode_);
}
DrawTitle(e);
}
public static void DrawCaption(Graphics g, Rectangle captionRect, string captionText, CaptionFont captionFont, bool isAAMode)
{
System.Drawing.Font font = captionFont.CreateFont();
StringFormat stringFormat = new StringFormat();
//TextFormatFlags txtFormatFlags = new TextFormatFlags();
//txtFormatFlags = TextFormatFlags.Top | TextFormatFlags.Left;
if (captionFont.IsDirectionVertical)
{
stringFormat.FormatFlags = StringFormatFlags.DirectionVertical | StringFormatFlags.DirectionRightToLeft;
}
List <Point> offsets = new List <Point>();
for (int i = 0; i < captionFont.BorderSize; i++)
{
offsets.Add(new Point(i, -captionFont.BorderSize + i));
offsets.Add(new Point(captionFont.BorderSize - i, i));
offsets.Add(new Point(-i, captionFont.BorderSize - i));
offsets.Add(new Point(-captionFont.BorderSize + i, -i));
}
captionRect.X = captionRect.Left + FormMain.UserConfig.CaptionIndentLeftPadding;
captionRect.Y = captionRect.Top + FormMain.UserConfig.CaptionIndentTopPadding;
foreach (Point ofs in offsets)
{
Rectangle borderRect = captionRect;
borderRect.X += ofs.X;
borderRect.Y += ofs.Y;
if (isAAMode)
{
//TextRenderer.DrawText(g, captionText, font, borderRect, FormMain.UserConfig.AACaptionFont.Colors.BorderColor, txtFormatFlags);
g.DrawString(captionText, font, captionFont.BorderBrush, borderRect.X, borderRect.Y);
}
else
{
//TextRenderer.DrawText(g, captionText, font, borderRect, FormMain.UserConfig.CaptionFont.Colors.BorderColor, txtFormatFlags);
g.DrawString(captionText, font, captionFont.BorderBrush, borderRect, stringFormat);
}
}
if (isAAMode)
{
//TextRenderer.DrawText(g, captionText, font, captionRect, FormMain.UserConfig.AACaptionFont.Colors.HighForeColor, txtFormatFlags);
g.DrawString(captionText, font, captionFont.GetForeBrush(captionRect), captionRect.X, captionRect.Y);
}
else
{
//TextRenderer.DrawText(g, captionText, font, captionRect, FormMain.UserConfig.CaptionFont.Colors.HighForeColor, txtFormatFlags);
g.DrawString(captionText, font, captionFont.GetForeBrush(captionRect), captionRect, stringFormat);
}
}