public void ShapeAndPlace(Win32DCSafeHandle hdc, FontCache fontCache)
{
bool verticalFont = false;
if (fontCache.AllowVerticalFont)
{
verticalFont = this.HasEastAsianChars;
}
if (this.m_cachedFont == null)
{
this.m_cachedFont = fontCache.GetFont(this.m_textRunProps, this.GetCharset(), verticalFont);
this.FallbackFont = false;
}
CachedFont cachedFont = this.m_cachedFont;
bool flag = false;
bool flag2 = false;
string text = this.m_text;
int num = Convert.ToInt32((double)text.Length * 1.5 + 16.0);
this.m_cachedGlyphData = new GlyphData(num, text.Length);
GlyphShapeData glyphScriptShapeData = this.m_cachedGlyphData.GlyphScriptShapeData;
int num2 = Win32.ScriptShape(IntPtr.Zero, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
if (num2 == -2147483638)
{
flag = true;
fontCache.SelectFontObject(hdc, this.m_cachedFont.Hfont);
num2 = Win32.ScriptShape(hdc, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
}
if (num2 == -2147024882)
{
num = text.Length * 3;
this.m_cachedGlyphData = new GlyphData(num, text.Length);
glyphScriptShapeData = this.m_cachedGlyphData.GlyphScriptShapeData;
num2 = Win32.ScriptShape(hdc, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
}
if (!this.FallbackFont)
{
if (num2 == -2147220992)
{
int num3 = 0;
num3 = ((!this.m_itemizedScriptId.HasValue) ? this.ScriptAnalysis.eScript : this.m_itemizedScriptId.Value);
this.m_cachedFont = fontCache.GetFallbackFont(this.m_textRunProps, this.GetCharset(), num3, verticalFont);
fontCache.SelectFontObject(hdc, this.m_cachedFont.Hfont);
flag = true;
flag2 = true;
num2 = Win32.ScriptShape(hdc, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
}
else if (this.HasEastAsianChars)
{
if (!flag)
{
fontCache.SelectFontObject(hdc, this.m_cachedFont.Hfont);
flag = true;
}
Win32.SCRIPT_FONTPROPERTIES sCRIPT_FONTPROPERTIES = default(Win32.SCRIPT_FONTPROPERTIES);
sCRIPT_FONTPROPERTIES.cBytes = 16;
num2 = Win32.ScriptGetFontProperties(hdc, ref this.m_cachedFont.ScriptCache, ref sCRIPT_FONTPROPERTIES);
short wgDefault = sCRIPT_FONTPROPERTIES.wgDefault;
int num4 = 0;
num4 = ((!this.m_itemizedScriptId.HasValue) ? this.ScriptAnalysis.eScript : this.m_itemizedScriptId.Value);
int num5 = 0;
while (num5 < glyphScriptShapeData.GlyphCount)
{
if (glyphScriptShapeData.Glyphs[num5] != wgDefault)
{
num5++;
continue;
}
this.m_cachedFont = fontCache.GetFallbackFont(this.m_textRunProps, this.GetCharset(), num4, verticalFont);
this.m_cachedFont.DefaultGlyph = wgDefault;
fontCache.SelectFontObject(hdc, this.m_cachedFont.Hfont);
flag = true;
flag2 = true;
num2 = Win32.ScriptShape(hdc, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
break;
}
}
}
if (num2 == -2147220992)
{
this.m_cachedFont = cachedFont;
if (!flag || flag2)
{
Win32ObjectSafeHandle win32ObjectSafeHandle = Win32.SelectObject(hdc, this.m_cachedFont.Hfont);
win32ObjectSafeHandle.SetHandleAsInvalid();
flag = true;
}
flag2 = false;
this.SetUndefinedScript();
num2 = Win32.ScriptShape(hdc, ref this.m_cachedFont.ScriptCache, text, text.Length, num, ref this.SCRIPT_ANALYSIS, glyphScriptShapeData.Glyphs, glyphScriptShapeData.Clusters, glyphScriptShapeData.VisAttrs, ref glyphScriptShapeData.GlyphCount);
}
if (Win32.Failed(num2))
{
Marshal.ThrowExceptionForHR(num2);
}
if (flag2)
{
this.FallbackFont = true;
}
this.m_cachedGlyphData.TrimToGlyphCount();
this.m_cachedGlyphData.ScaleFactor = this.m_cachedFont.ScaleFactor;
this.TextScriptPlace(hdc, flag, fontCache);
}
