private void SetUndefinedScript()
{
ScriptAnalysis scriptAnalysis = ScriptAnalysis;
if (scriptAnalysis.eScript != 0)
{
m_itemizedScriptId = scriptAnalysis.eScript;
scriptAnalysis.eScript = 0;
SCRIPT_ANALYSIS = scriptAnalysis.GetAs_SCRIPT_ANALYSIS();
m_scriptAnalysis = null;
}
}
internal TexRunShapeData(TextRun run, bool storeGlyph)
{
if (storeGlyph && run.GlyphData != null)
{
m_glyphData = run.GlyphData.GlyphScriptShapeData;
}
m_analysis = run.SCRIPT_ANALYSIS;
m_scriptLogAttr = run.ScriptLogAttr;
m_cachedFont = run.CachedFont;
m_runState = run.State;
m_itemizedScriptId = run.ItemizedScriptId;
}
internal TextRun(string text, TextRun textRun, SCRIPT_LOGATTR[] scriptLogAttr)
: this(text, textRun)
{
SCRIPT_ANALYSIS = textRun.SCRIPT_ANALYSIS;
ScriptLogAttr = scriptLogAttr;
m_cachedFont = textRun.CachedFont;
m_itemizedScriptId = textRun.ItemizedScriptId;
bool hasEastAsianChars = HasEastAsianChars;
m_runState = textRun.State;
HasEastAsianChars = hasEastAsianChars;
}
internal TextRun(string text, ITextRunProps props, TexRunShapeData shapeData)
: this(text, props)
{
if (shapeData != null)
{
SCRIPT_ANALYSIS = shapeData.Analysis;
ScriptLogAttr = shapeData.ScriptLogAttr;
m_cachedFont = shapeData.Font;
m_itemizedScriptId = shapeData.ItemizedScriptId;
m_runState = shapeData.State;
if (shapeData.GlyphData != null)
{
m_cachedGlyphData = new GlyphData(shapeData.GlyphData);
}
}
}
private static void AnalyzeForBreakPositions(List <TextRun> itemRuns, string itemsText)
{
if (itemsText.Length != 0)
{
SCRIPT_ANALYSIS psa = itemRuns[0].SCRIPT_ANALYSIS;
SCRIPT_LOGATTR[] array = new SCRIPT_LOGATTR[itemsText.Length];
int num = Win32.ScriptBreak(itemsText, itemsText.Length, ref psa, array);
if (Win32.Failed(num))
{
Marshal.ThrowExceptionForHR(num);
}
int num2 = 0;
for (int i = 0; i < itemRuns.Count; i++)
{
TextRun textRun = itemRuns[i];
int length = textRun.Text.Length;
SCRIPT_LOGATTR[] array2 = new SCRIPT_LOGATTR[length];
Array.Copy(array, num2, array2, 0, length);
textRun.ScriptLogAttr = array2;
num2 += length;
}
}
}
private List <TextRun> ExtractRuns(int startingParaCharIndex, int endingParaCharIndex, SCRIPT_ANALYSIS analysis)
{
List <TextRun> list = new List <TextRun>();
StringBuilder stringBuilder = new StringBuilder();
int num = 0;
int num2 = 0;
TextRun textRun = null;
for (int i = 0; i < m_runs.Count; i++)
{
TextRun textRun2 = m_runs[i];
num2 = num + textRun2.CharacterCount - 1;
int num3 = -1;
if (startingParaCharIndex <= num)
{
num3 = 0;
}
else if (startingParaCharIndex <= num2)
{
num3 = startingParaCharIndex - num;
}
if (num3 >= 0)
{
if (endingParaCharIndex <= num2)
{
int num4 = endingParaCharIndex - num - num3 + 1;
textRun = textRun2.GetSubRun(num3, num4);
textRun.SCRIPT_ANALYSIS = analysis;
stringBuilder.Append(textRun.Text);
list.Add(textRun);
if (endingParaCharIndex == num2 && num4 == 1 && i == m_runs.Count - 1 && textRun.Text[0] == '\n')
{
textRun = textRun2.GetSubRun(num3 + 1, 0);
textRun.SCRIPT_ANALYSIS = analysis;
list.Add(textRun);
}
AnalyzeForBreakPositions(list, stringBuilder.ToString());
return(list);
}
textRun = textRun2.GetSubRun(num3);
textRun.SCRIPT_ANALYSIS = analysis;
stringBuilder.Append(textRun.Text);
list.Add(textRun);
}
num = num2 + 1;
}
AnalyzeForBreakPositions(list, stringBuilder.ToString());
return(list);
}
internal static extern int ScriptTextOut(Win32DCSafeHandle hdc, ref ScriptCacheSafeHandle psc, int x, int y, uint fuOptions, IntPtr lprc, ref SCRIPT_ANALYSIS psa, IntPtr pwcReserved, int iReserved, [MarshalAs(UnmanagedType.LPArray)] short[] pwGlyphs, int cGlyphs, [MarshalAs(UnmanagedType.LPArray)] int[] piAdvance, [MarshalAs(UnmanagedType.LPArray)] int[] piJustify, [MarshalAs(UnmanagedType.LPArray)] GOFFSET[] pGoffset);
internal static extern int ScriptPlace(Win32DCSafeHandle hdc, ref ScriptCacheSafeHandle psc, [MarshalAs(UnmanagedType.LPArray)] short[] pwGlyphs, int cGlyphs, [MarshalAs(UnmanagedType.LPArray)] SCRIPT_VISATTR[] psva, ref SCRIPT_ANALYSIS psa, [MarshalAs(UnmanagedType.LPArray)] int[] piAdvance, [Out][MarshalAs(UnmanagedType.LPArray)] GOFFSET[] pGoffset, ref ABC pABC);
internal static extern int ScriptShape(Win32DCSafeHandle hdc, ref ScriptCacheSafeHandle psc, [MarshalAs(UnmanagedType.LPWStr)] string pwcChars, int cChars, int cMaxGlyphs, ref SCRIPT_ANALYSIS psa, [Out][MarshalAs(UnmanagedType.LPArray)] short[] pwOutGlyphs, [Out][MarshalAs(UnmanagedType.LPArray)] short[] pwLogClust, [Out][MarshalAs(UnmanagedType.LPArray)] SCRIPT_VISATTR[] psva, ref int pcGlyphs);
internal static extern int ScriptBreak([MarshalAs(UnmanagedType.LPWStr)] string pwcChars, int cChars, ref SCRIPT_ANALYSIS psa, [Out][MarshalAs(UnmanagedType.LPArray)] SCRIPT_LOGATTR[] psla);
internal static extern int ScriptGetLogicalWidths(ref SCRIPT_ANALYSIS psa, int cChars, int cGlyphs, int[] piGlyphWidth, short[] pwLogClust, SCRIPT_VISATTR[] psva, [Out][MarshalAs(UnmanagedType.LPArray)] int[] piDx);
internal static extern int ScriptCPtoX(int iCP, bool fTrailing, int cChars, int cGlyphs, [MarshalAs(UnmanagedType.LPArray)] short[] pwLogClust, [MarshalAs(UnmanagedType.LPArray)] SCRIPT_VISATTR[] psva, [MarshalAs(UnmanagedType.LPArray)] int[] piAdvance, ref SCRIPT_ANALYSIS psa, ref int piX);