public static void ExtDrawTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, Underline underline)
{
uint crColor = 0u;
try
{
uint colorInt = run.ColorInt;
if (underline != null)
{
underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), colorInt);
}
crColor = Win32.SetTextColor(hdc, colorInt);
CachedFont cachedFont = run.GetCachedFont(hdc, fontCache);
fontCache.SelectFontObject(hdc, cachedFont.Hfont);
int[] lpDx = null;
uint fuOptions = 0u;
if (run.ScriptAnalysis.fRTL == 1)
{
fuOptions = 128u;
}
if (!Win32.ExtTextOut(hdc, x, baselineY, fuOptions, IntPtr.Zero, run.Text, (uint)run.Text.Length, lpDx))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
finally
{
crColor = Win32.SetTextColor(hdc, crColor);
}
}
public static void DrawTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, Underline underline)
{
uint crColor = 0u;
try
{
uint colorInt = run.ColorInt;
if (underline != null)
{
underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), colorInt);
}
crColor = Win32.SetTextColor(hdc, colorInt);
GlyphData glyphData = run.GetGlyphData(hdc, fontCache);
GlyphShapeData glyphScriptShapeData = glyphData.GlyphScriptShapeData;
CachedFont cachedFont = run.GetCachedFont(hdc, fontCache);
fontCache.SelectFontObject(hdc, cachedFont.Hfont);
int num = Win32.ScriptTextOut(hdc, ref cachedFont.ScriptCache, x, baselineY, 4u, IntPtr.Zero, ref run.SCRIPT_ANALYSIS, IntPtr.Zero, 0, glyphScriptShapeData.Glyphs, glyphScriptShapeData.GlyphCount, glyphData.Advances, (int[])null, glyphData.GOffsets);
if (Win32.Failed(num))
{
Marshal.ThrowExceptionForHR(num);
}
}
finally
{
crColor = Win32.SetTextColor(hdc, crColor);
}
}
private CaretInfo MapLocation(Win32DCSafeHandle hdc, TextBoxContext location, bool relativeToRun, bool moveCaretToNextLine, out TextRun run)
{
CaretInfo caretInfo = null;
run = null;
int lineYOffset = default(int);
int lineHeight = default(int);
int iCP = default(int);
bool isFirstLine = default(bool);
bool isLastLine = default(bool);
Point paragraphAndRunCoordinates = this.GetParagraphAndRunCoordinates(hdc, location, moveCaretToNextLine, out lineYOffset, out lineHeight, out run, out iCP, out isFirstLine, out isLastLine);
if (run != null)
{
GlyphData glyphData = run.GlyphData;
GlyphShapeData glyphScriptShapeData = glyphData.GlyphScriptShapeData;
int num = 0;
if (glyphData != null && run.CharacterCount > 0)
{
int num2 = Win32.ScriptCPtoX(iCP, false, run.CharacterCount, glyphScriptShapeData.GlyphCount, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, glyphData.Advances, ref run.SCRIPT_ANALYSIS, ref num);
if (Win32.Failed(num2))
{
Marshal.ThrowExceptionForHR(num2);
}
}
caretInfo = new CaretInfo();
CachedFont cachedFont = run.GetCachedFont(hdc, this.FontCache);
caretInfo.Height = cachedFont.GetHeight(hdc, this.FontCache);
caretInfo.Ascent = cachedFont.GetAscent(hdc, this.FontCache);
caretInfo.Descent = cachedFont.GetDescent(hdc, this.FontCache);
caretInfo.LineHeight = lineHeight;
caretInfo.LineYOffset = lineYOffset;
caretInfo.IsFirstLine = isFirstLine;
caretInfo.IsLastLine = isLastLine;
List <Paragraph> rTParagraph = this.RTParagraphs;
int y = paragraphAndRunCoordinates.Y - caretInfo.Ascent;
if (relativeToRun)
{
caretInfo.Position = new Point(num, y);
}
else
{
caretInfo.Position = new Point(paragraphAndRunCoordinates.X + num, y);
}
}
return(caretInfo);
}
public static void DrawClippedTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, uint fontColorOverride, Rectangle clipRect, Underline underline)
{
uint crColor = 0u;
IntPtr intPtr = IntPtr.Zero;
try
{
if (underline != null)
{
underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), fontColorOverride);
}
RECT rECT = default(RECT);
rECT.left = clipRect.Left;
rECT.right = clipRect.Right;
rECT.top = clipRect.Top;
rECT.bottom = clipRect.Bottom;
crColor = Win32.SetTextColor(hdc, fontColorOverride);
GlyphData glyphData = run.GetGlyphData(hdc, fontCache);
GlyphShapeData glyphScriptShapeData = glyphData.GlyphScriptShapeData;
CachedFont cachedFont = run.GetCachedFont(hdc, fontCache);
fontCache.SelectFontObject(hdc, cachedFont.Hfont);
intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(rECT));
Marshal.StructureToPtr(rECT, intPtr, false);
int num = Win32.ScriptTextOut(hdc, ref cachedFont.ScriptCache, x, baselineY, 4u, intPtr, ref run.SCRIPT_ANALYSIS, IntPtr.Zero, 0, glyphScriptShapeData.Glyphs, glyphScriptShapeData.GlyphCount, glyphData.Advances, (int[])null, glyphData.GOffsets);
if (Win32.Failed(num))
{
Marshal.ThrowExceptionForHR(num);
}
}
finally
{
if (intPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(intPtr);
}
crColor = Win32.SetTextColor(hdc, crColor);
}
}
