private void FreeGlyphBuffers()
{
GlyphCapacity = 0;
if (Glyphs != null)
{
Memory.Free(Glyphs);
Glyphs = null;
}
if (GlyphVisualAttributes != null)
{
Memory.Free(GlyphVisualAttributes);
GlyphVisualAttributes = null;
}
if (GlyphAdvanceWidths != null)
{
Memory.Free(GlyphAdvanceWidths);
GlyphAdvanceWidths = null;
}
if (GlyphOffsets != null)
{
Memory.Free(GlyphOffsets);
GlyphOffsets = null;
}
}
private void ReAllocGlyphBuffers(int newGlyphCapacity)
{
Glyphs = (ushort *)Memory.ReAlloc(Glyphs, newGlyphCapacity * sizeof(ushort));
GlyphVisualAttributes = (SCRIPT_VISATTR *)Memory.ReAlloc(GlyphVisualAttributes, newGlyphCapacity * sizeof(SCRIPT_VISATTR));
GlyphAdvanceWidths = (int *)Memory.ReAlloc(GlyphAdvanceWidths, newGlyphCapacity * sizeof(int));
GlyphOffsets = (GOFFSET *)Memory.ReAlloc(GlyphOffsets, newGlyphCapacity * sizeof(GOFFSET));
}
private void InitializeGlyphBuffers()
{
GlyphCapacity = 0;
Glyphs = null;
GlyphVisualAttributes = null;
GlyphAdvanceWidths = null;
GlyphOffsets = null;
}
public static extern int ScriptCPtoX(
[In] int iCP,
[In] bool fTrailing,
[In] int cChars,
[In] int cGlyphs,
[In] ushort *pwLogClust,
[In] SCRIPT_VISATTR *psva,
[In] int *piAdvance,
[In] SCRIPT_ANALYSIS *psa,
[Out] out int piX);
public static extern int ScriptXtoCP(
[In] int iX,
[In] int cChars,
[In] int cGlyphs,
[In] ushort *pwLogClust,
[In] SCRIPT_VISATTR *psva,
[In] int *piAdvance,
[In] SCRIPT_ANALYSIS *psa,
[Out] out int piCP,
[Out] out int piTrailing);
public static extern int ScriptPlace(
[In] IntPtr hdc,
[In, Out] ref IntPtr psc,
[In] ushort *pwGlyphs,
[In] int cGlyphs,
[In] SCRIPT_VISATTR *psva,
[In, Out] SCRIPT_ANALYSIS *psa,
[Out] int *piAdvance,
[Out] GOFFSET *pGoffset,
[Out] out ABC pABC);
public static extern int ScriptShape(
[In] IntPtr hdc,
[In, Out] ref IntPtr psc,
[In] char *pwcChars,
[In] int cChars,
[In] int cMaxGlyphs,
[Out] SCRIPT_ANALYSIS *psa,
[Out] ushort *pwOutGlyphs,
[Out] ushort *pwLogClust,
[Out] SCRIPT_VISATTR *psva,
[Out] out int pcGlyphs);
private void FreeGlyphBuffers()
{
GlyphCapacity = 0;
if (Glyphs != null)
{
Memory.Free(Glyphs);
Glyphs = null;
}
if (GlyphVisualAttributes != null)
{
Memory.Free(GlyphVisualAttributes);
GlyphVisualAttributes = null;
}
if (GlyphAdvanceWidths != null)
{
Memory.Free(GlyphAdvanceWidths);
GlyphAdvanceWidths = null;
}
if (GlyphOffsets != null)
{
Memory.Free(GlyphOffsets);
GlyphOffsets = null;
}
}
private void ReAllocGlyphBuffers(int newGlyphCapacity)
{
Glyphs = (ushort*)Memory.ReAlloc(Glyphs, newGlyphCapacity * sizeof(ushort));
GlyphVisualAttributes = (SCRIPT_VISATTR*)Memory.ReAlloc(GlyphVisualAttributes, newGlyphCapacity * sizeof(SCRIPT_VISATTR));
GlyphAdvanceWidths = (int*)Memory.ReAlloc(GlyphAdvanceWidths, newGlyphCapacity * sizeof(int));
GlyphOffsets = (GOFFSET*)Memory.ReAlloc(GlyphOffsets, newGlyphCapacity * sizeof(GOFFSET));
}
private void InitializeGlyphBuffers()
{
GlyphCapacity = 0;
Glyphs = null;
GlyphVisualAttributes = null;
GlyphAdvanceWidths = null;
GlyphOffsets = null;
}
