public override void CreateFont(string faceName, int height, Guid uniqueID)
{
Font newFont = new GDIFont(faceName, height, uniqueID);
BufferChunk chunk = new BufferChunk(1024);
chunk += GDI32.EMR_EXTCREATEFONTINDIRECTW;
chunk += faceName.Length;
chunk += faceName;
chunk += (int)height;
chunk += (byte)1; // newFont.fLogFont.lfCharSet;
chunk += (byte)0; // newFont.fLogFont.lfClipPrecision;
chunk += (int)0; // newFont.fLogFont.lfEscapement;
chunk += (byte)0; // newFont.fLogFont.lfItalic;
chunk += (int)0; // newFont.fLogFont.lfOrientation;
chunk += (byte)0; // newFont.fLogFont.lfOutPrecision;
chunk += (byte)0; // newFont.fLogFont.lfPitchAndFamily;
chunk += (byte)0; // newFont.fLogFont.lfQuality;
chunk += (byte)0; // newFont.fLogFont.lfStrikeOut;
chunk += (byte)0; // newFont.fLogFont.lfUnderline;
chunk += (int)0; // newFont.fLogFont.lfWeight;
chunk += (int)0; // newFont.fLogFont.lfWidth;
// Write the GUID
chunk += (int)16; // For size of the following array
chunk += newFont.UniqueID.ToByteArray();
PackCommand(chunk);
}
private GDIFont GetFont(Font font)
{
if (!_Fonts.TryGetValue(GetFontKey(font), out GDIFont gf))
{
gf = new GDIFont(font.Name, font.Size, font.Bold, font.Italic, font.Underline, false);
_Fonts[GetFontKey(font)] = gf;
}
return(gf);
}
private GDIFont GetFont(Font font)
{
GDIFont gf = (GDIFont)_Fonts[GetFontKey(font)];
if (gf == null)
{
gf = new GDIFont(font.Name, font.Size, font.Bold, font.Italic, font.Underline, false);
_Fonts[GetFontKey(font)] = gf;
}
return(gf);
}
public static void Pack(BufferChunk chunk, GDIFont aFont)
{
chunk += GDI32.EMR_EXTCREATEFONTINDIRECTW;
chunk += aFont.FaceName.Length;
chunk += aFont.FaceName;
chunk += (int)aFont.Height;
chunk += (byte)1; // newFont.fLogFont.lfCharSet;
chunk += (byte)0; // newFont.fLogFont.lfClipPrecision;
chunk += (int)0; // newFont.fLogFont.lfEscapement;
chunk += (byte)0; // newFont.fLogFont.lfItalic;
chunk += (int)0; // newFont.fLogFont.lfOrientation;
chunk += (byte)0; // newFont.fLogFont.lfOutPrecision;
chunk += (byte)0; // newFont.fLogFont.lfPitchAndFamily;
chunk += (byte)0; // newFont.fLogFont.lfQuality;
chunk += (byte)0; // newFont.fLogFont.lfStrikeOut;
chunk += (byte)0; // newFont.fLogFont.lfUnderline;
chunk += (int)0; // newFont.fLogFont.lfWeight;
chunk += (int)0; // newFont.fLogFont.lfWidth;
// Write the GUID
Pack(chunk, aFont.UniqueID);
}
public GDIBrush OutlineBrush; //background brush
#region IDisposable Members
public void Dispose()
{
if (BackBuffer != null)
{
BackBuffer.Dispose();
BackBuffer = null;
}
if (SelectionBuffer != null)
{
SelectionBuffer.Dispose();
SelectionBuffer = null;
}
if (StringBuffer != null)
{
StringBuffer.Dispose();
StringBuffer = null;
}
if (FontNormal != null)
{
FontNormal.Dispose();
FontNormal = null;
}
if (FontBold != null)
{
FontBold.Dispose();
FontBold = null;
}
if (FontItalic != null)
{
FontItalic.Dispose();
FontItalic = null;
}
if (FontBoldItalic != null)
{
FontBoldItalic.Dispose();
FontBoldItalic = null;
}
if (FontUnderline != null)
{
FontUnderline.Dispose();
FontUnderline = null;
}
if (FontBoldUnderline != null)
{
FontBoldUnderline.Dispose();
FontBoldUnderline = null;
}
if (FontItalicUnderline != null)
{
FontItalicUnderline.Dispose();
FontItalicUnderline = null;
}
if (FontBoldItalicUnderline != null)
{
FontBoldItalicUnderline.Dispose();
FontBoldItalicUnderline = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (LineNumberMarginBrush != null)
{
LineNumberMarginBrush.Dispose();
LineNumberMarginBrush = null;
}
if (LineNumberMarginBorderBrush != null)
{
LineNumberMarginBorderBrush.Dispose();
LineNumberMarginBorderBrush = null;
}
if (BackgroundBrush != null)
{
BackgroundBrush.Dispose();
BackgroundBrush = null;
}
if (HighLightLineBrush != null)
{
HighLightLineBrush.Dispose();
HighLightLineBrush = null;
}
if (OutlineBrush != null)
{
OutlineBrush.Dispose();
OutlineBrush = null;
}
}
private void RedrawBuffer()
{
if (_bufferSurface != null)
{
_bufferSurface.Dispose();
}
_bufferSurface = new GDISurface(this.Width, this.Height, this, true);
using (Graphics gfx = Graphics.FromHdc(_bufferSurface.hDC))
{
//try
//{
_bufferSurface.FontTransparent = true;
if (this.BackgroundImage != null)
{
gfx.DrawImage(this.BackgroundImage, 0, 0, this.Width, this.Height);
}
else
{
_bufferSurface.Clear(this.BackColor);
}
int x = LabelMargin;
int y = LabelMargin;
for (int i = vScroll.Value; i < _Rows.Count; i++)
{
FormatLabelRow r = (FormatLabelRow)_Rows[i];
x = LabelMargin;
r.Visible = true;
r.Top = y;
if (r.RenderSeparator)
{
Color c1 = Color.FromArgb(120, 0, 0, 0);
Brush b1 = new SolidBrush(c1);
gfx.FillRectangle(b1, 0, y, this.Width, 1);
Color c2 = Color.FromArgb(120, 255, 255, 255);
Brush b2 = new SolidBrush(c2);
gfx.FillRectangle(b2, 0, y + 1, this.Width, 1);
b1.Dispose();
b2.Dispose();
//bbuff.DrawLine (this.ForeColor,new Point (0,y),new Point (this.Width,y));
}
foreach (FormatLabelWord w in r.Words)
{
int ypos = r.Height - w.Height + y;
if (w.Image != null)
{
gfx.DrawImage(w.Image, x, y);
//bbuff.FillRect (Color.Red ,x,ypos,w.Width ,w.Height);
}
else
{
GDIFont gf = null;
if (w.Element.Link != null)
{
Font f = null;
FontStyle fs = w.Element.Font.Style;
if (w.Element.Link == _ActiveElement)
{
if (_Link_UnderLine_Hover)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
else
{
if (_Link_UnderLine)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
gf = GetFont(f);
}
else
{
gf = GetFont(w.Element.Font);
}
_bufferSurface.Font = gf;
if (w.Element.Effect != TextEffect.None)
{
_bufferSurface.TextForeColor = w.Element.EffectColor;
if (w.Element.Effect == TextEffect.Outline)
{
for (int xx = -1; xx <= 1; xx++)
{
for (int yy = -1; yy <= 1; yy++)
{
_bufferSurface.DrawTabbedString(w.Text, x + xx, ypos + yy, 0, 0);
}
}
}
else if (w.Element.Effect != TextEffect.None)
{
_bufferSurface.DrawTabbedString(w.Text, x + 1, ypos + 1, 0, 0);
}
}
if (w.Element.Link != null)
{
if (w.Element.Link == _ActiveElement)
{
_bufferSurface.TextForeColor = Link_Color_Hover;
}
else
{
_bufferSurface.TextForeColor = Link_Color;
}
}
else
{
_bufferSurface.TextForeColor = w.Element.ForeColor;
}
_bufferSurface.TextBackColor = w.Element.BackColor;
_bufferSurface.DrawTabbedString(w.Text, x, ypos, 0, 0);
}
w.ScreenArea = new Rectangle(new Point(x, ypos), w.ScreenArea.Size);
//w.ScreenArea.Y = ypos;
x += w.Width;
}
y += r.Height + r.BottomPadd;
if (y > this.Height)
{
break;
}
}
//}
//catch (Exception x)
//{
// Console.WriteLine(x.Message);
//}
}
}
private void LB_DrawItem(object sender, DrawItemEventArgs e)
{
bool selected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
if (e.Index == -1)
return;
object li = FontListbox.Items[e.Index];
string text = li.ToString();
Brush fg = selected ? SystemBrushes.HighlightText : SystemBrushes.WindowText;
if (selected)
{
const int ofs = 37;
e.Graphics.FillRectangle(SystemBrushes.Window,
new Rectangle(ofs, e.Bounds.Top, e.Bounds.Width - ofs, FontListbox.ItemHeight));
e.Graphics.FillRectangle(SystemBrushes.Highlight,
new Rectangle(ofs + 1, e.Bounds.Top + 1, e.Bounds.Width - ofs - 2,
FontListbox.ItemHeight - 2));
ControlPaint.DrawFocusRectangle(e.Graphics,
new Rectangle(ofs, e.Bounds.Top, e.Bounds.Width - ofs,
FontListbox.ItemHeight));
}
else
{
e.Graphics.FillRectangle(SystemBrushes.Window, 0, e.Bounds.Top, e.Bounds.Width, FontListbox.ItemHeight);
}
e.Graphics.DrawString(text, e.Font, fg, 38, e.Bounds.Top + 4);
e.Graphics.SetClip(new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));
e.Graphics.FillRectangle(SystemBrushes.Highlight,
new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));
IntPtr hdc = e.Graphics.GetHdc();
var gf = new GDIFont(text, 9);
int a = 0;
IntPtr res = NativeMethods.SelectObject(hdc, gf.hFont);
NativeMethods.SetTextColor(hdc, ColorTranslator.ToWin32(SystemColors.Window));
NativeMethods.SetBkMode(hdc, 0);
NativeMethods.TabbedTextOut(hdc, 3, e.Bounds.Top + 5, "abc", 3, 0, ref a, 0);
NativeMethods.SelectObject(hdc, res);
gf.Dispose();
e.Graphics.ReleaseHdc(hdc);
e.Graphics.DrawRectangle(Pens.Black, new Rectangle(1, e.Bounds.Top + 2, 34, FontListbox.ItemHeight - 4));
e.Graphics.ResetClip();
}
public override void PaintValue(PaintValueEventArgs e)
{
string text = e.Value.ToString();
var bp = new Bitmap(e.Bounds.Width, e.Bounds.Height);
Graphics g = Graphics.FromImage(bp);
g.FillRectangle(SystemBrushes.Highlight, e.Bounds);
IntPtr hdc = g.GetHdc();
var gf = new GDIFont(text, 9);
int a = 0;
IntPtr res = NativeMethods.SelectObject(hdc, gf.hFont);
NativeMethods.SetTextColor(hdc, ColorTranslator.ToWin32(SystemColors.Window));
NativeMethods.SetBkMode(hdc, 0);
NativeMethods.TabbedTextOut(hdc, 1, 1, "abc", 3, 0, ref a, 0);
NativeMethods.SelectObject(hdc, res);
gf.Dispose();
g.ReleaseHdc(hdc);
e.Graphics.DrawImage(bp, e.Bounds.Left, e.Bounds.Top);
// e.Graphics.DrawString ("abc",new Font (text,10f),SystemBrushes.Window,3,0);
}
protected override void OnPaint(PaintEventArgs e)
{
this.SetAutoSize();
//base.OnPaint (e);
if (_HasImageError)
{
CreateAll();
}
GDISurface bbuff = new GDISurface(this.Width, this.Height, this, true);
Graphics g = Graphics.FromHdc(bbuff.hDC);
try
{
bbuff.FontTransparent = true;
if (this.BackgroundImage != null)
{
g.DrawImage(this.BackgroundImage, 0, 0, this.Width, this.Height);
}
else
{
bbuff.Clear(this.BackColor);
}
int x = Margin;
int y = Margin;
for (int i = vScroll.Value; i < _Rows.Count; i++)
{
Row r = (Row)_Rows[i];
x = Margin;
r.Visible = true;
r.Top = y;
if (r.RenderSeparator)
{
Color c1 = Color.FromArgb(120, 0, 0, 0);
Brush b1 = new SolidBrush(c1);
g.FillRectangle(b1, 0, y, this.Width, 1);
Color c2 = Color.FromArgb(120, 255, 255, 255);
Brush b2 = new SolidBrush(c2);
g.FillRectangle(b2, 0, y + 1, this.Width, 1);
b1.Dispose();
b2.Dispose();
//bbuff.DrawLine (this.ForeColor,new Point (0,y),new Point (this.Width,y));
}
foreach (Word w in r.Words)
{
int ypos = r.Height - w.Height + y;
if (w.Image != null)
{
g.DrawImage(w.Image, x, y);
//bbuff.FillRect (Color.Red ,x,ypos,w.Width ,w.Height);
}
else
{
GDIFont gf = null;
if (w.Element.Link != null)
{
Font f = null;
FontStyle fs = w.Element.Font.Style;
if (w.Element.Link == _ActiveElement)
{
if (_Link_UnderLine_Hover)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
else
{
if (_Link_UnderLine)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
gf = GetFont(f);
}
else
{
gf = GetFont(w.Element.Font);
}
bbuff.Font = gf;
if (w.Element.Effect != TextEffect.None)
{
bbuff.TextForeColor = w.Element.EffectColor;
if (w.Element.Effect == TextEffect.Outline)
{
for (int xx = -1; xx <= 1; xx++)
{
for (int yy = -1; yy <= 1; yy++)
{
bbuff.DrawTabbedString(w.Text, x + xx, ypos + yy, 0, 0);
}
}
}
else if (w.Element.Effect != TextEffect.None)
{
bbuff.DrawTabbedString(w.Text, x + 1, ypos + 1, 0, 0);
}
}
if (w.Element.Link != null)
{
if (w.Element.Link == _ActiveElement)
{
bbuff.TextForeColor = Link_Color_Hover;
}
else
{
bbuff.TextForeColor = Link_Color;
}
}
else
{
bbuff.TextForeColor = w.Element.ForeColor;
}
bbuff.TextBackColor = w.Element.BackColor;
bbuff.DrawTabbedString(w.Text, x, ypos, 0, 0);
}
w.ScreenArea.X = x;
w.ScreenArea.Y = ypos;
x += w.Width;
}
y += r.Height + r.BottomPadd;
if (y > this.Height)
{
break;
}
}
}
catch (Exception x)
{
Console.WriteLine(x.Message);
}
bbuff.RenderToControl(0, 0);
bbuff.Dispose();
g.Dispose();
}
/// <summary>
/// 重新计算对象大小
/// </summary>
/// <param name="g">图形绘制对象</param>
protected virtual void RefreshSize(DomCharElement chr, System.Drawing.Graphics g)
{
DocumentViewOptions opt = this.Document.Options.ViewOptions;
if (myMeasureFormat == null)
{
myMeasureFormat = new System.Drawing.StringFormat(
System.Drawing.StringFormat.GenericTypographic);
myMeasureFormat.FormatFlags = System.Drawing.StringFormatFlags.FitBlackBox
| System.Drawing.StringFormatFlags.MeasureTrailingSpaces
| StringFormatFlags.NoClip;
}
DomDocument document = chr.OwnerDocument;
if (_EnableCharSizeBuffer)
{
if (chr.CharValue != '\t')
{
if (charSizes != null)
{
if (charSizes.ContainsKey(chr.StyleIndex))
{
Dictionary <char, SizeF> sizes = charSizes[chr.StyleIndex];
if (sizes.ContainsKey(chr.CharValue))
{
// 从缓存区中获得字母大小
SizeF bsize = sizes[chr.CharValue];
chr.Width = bsize.Width;
chr.Height = bsize.Height;
chr._FontHeight = chr.RuntimeStyle.Font.GetHeight(g);
return;
}
}
}
} //if
} //if
DocumentContentStyle rs = chr.RuntimeStyle;
System.Drawing.SizeF size = System.Drawing.SizeF.Empty;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;
//this.UseGDIFontSize = true;
if (opt.RichTextBoxCompatibility)
{
// 使用GDI模式计算字符大小
string key = rs.FontName + "|" + rs.FontSize + "|" + rs.FontStyle;
GDIFont font = null;
if (gdiFonts.ContainsKey(key))
{
font = gdiFonts[key];
}
else
{
font = new GDIFont(
rs.FontName,
//(int)( rs.FontSize * 1.3837 * 3 ),
(int)(GraphicsUnitConvert.Convert(
rs.FontSize,
GraphicsUnit.Point,
GraphicsUnit.Document)),
rs.Bold,
rs.Italic,
rs.Underline,
rs.Strikeout);
gdiFonts[key] = font;
}
Size[] sizes = font.MeasureCharactersSize(g, chr.CharValue.ToString());
size.Width = sizes[0].Width;
size.Height = sizes[0].Height;
if (chr.CharValue == ' ')
{
if (rs.FontName == "Times New Roman")
{
size.Width = size.Width * 1.28f;
}
}
}
else
{
if (chr.CharValue == ' ')
{
size = g.MeasureString(
" ",
rs.Font.Value,
10000,
System.Drawing.StringFormat.GenericDefault);
size.Width = size.Width * 0.57f;
}
else if (chr.CharValue == '\t')
{
}
else
{
size = g.MeasureString(
chr.CharValue.ToString(),
rs.Font.Value,
10000,
myMeasureFormat);
size.Width = size.Width;
}
}
chr.Width = size.Width;
chr.Height = size.Height + 1;
chr._FontHeight = rs.Font.GetHeight(g);
chr.Height = chr._FontHeight;// size.Height;
if (rs.Superscript)
{
chr.Height = chr.Height * 1.2f;
}
if (rs.Superscript || rs.Subscript)
{
chr.Width = chr.Width * 0.6f;
}
if (_EnableCharSizeBuffer)
{
if (charSizes != null)
{
Dictionary <char, SizeF> sizes2 = null;
if (charSizes.ContainsKey(chr.StyleIndex))
{
sizes2 = charSizes[chr.StyleIndex];
}
else
{
sizes2 = new Dictionary <char, SizeF>();
charSizes[chr.StyleIndex] = sizes2;
}
sizes2[chr.CharValue] = new SizeF(chr.Width, chr.Height);
}
}
}
public GDISurface StringBuffer; //backbuffer surface
#endregion Fields
#region Methods
public void Dispose()
{
if (BackBuffer != null)
{
BackBuffer.Dispose();
BackBuffer = null;
}
if (SelectionBuffer != null)
{
SelectionBuffer.Dispose();
SelectionBuffer = null;
}
if (StringBuffer != null)
{
StringBuffer.Dispose();
StringBuffer = null;
}
if (FontNormal != null)
{
FontNormal.Dispose();
FontNormal = null;
}
if (FontBold != null)
{
FontBold.Dispose();
FontBold = null;
}
if (FontItalic != null)
{
FontItalic.Dispose();
FontItalic = null;
}
if (FontBoldItalic != null)
{
FontBoldItalic.Dispose();
FontBoldItalic = null;
}
if (FontUnderline != null)
{
FontUnderline.Dispose();
FontUnderline = null;
}
if (FontBoldUnderline != null)
{
FontBoldUnderline.Dispose();
FontBoldUnderline = null;
}
if (FontItalicUnderline != null)
{
FontItalicUnderline.Dispose();
FontItalicUnderline = null;
}
if (FontBoldItalicUnderline != null)
{
FontBoldItalicUnderline.Dispose();
FontBoldItalicUnderline = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (GutterMarginBrush != null)
{
GutterMarginBrush.Dispose();
GutterMarginBrush = null;
}
if (LineNumberMarginBrush != null)
{
LineNumberMarginBrush.Dispose();
LineNumberMarginBrush = null;
}
if (LineNumberMarginBorderBrush != null)
{
LineNumberMarginBorderBrush.Dispose();
LineNumberMarginBorderBrush = null;
}
if (BackgroundBrush != null)
{
BackgroundBrush.Dispose();
BackgroundBrush = null;
}
if (HighLightLineBrush != null)
{
HighLightLineBrush.Dispose();
HighLightLineBrush = null;
}
if (OutlineBrush != null)
{
OutlineBrush.Dispose();
OutlineBrush = null;
}
}
