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Honour spacing requested by caller

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svn path=/trunk/; revision=8963
This commit is contained in:
Gé van Geldorp 2004-04-04 15:28:43 +00:00
parent a20876b230
commit 4eb5cb108b
1 changed files with 51 additions and 8 deletions
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57
reactos/subsys/win32k/objects/text.c
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@ -22,7 +22,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: text.c,v 1.86 2004/03/28 22:39:59 gvg Exp $ */ /* $Id: text.c,v 1.87 2004/04/04 15:28:43 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN #undef WIN32_LEAN_AND_MEAN
@ -1475,7 +1475,7 @@ NtGdiExtTextOut(
CONST RECT *lprc, CONST RECT *lprc,
LPCWSTR String, LPCWSTR String,
UINT Count, UINT Count,
CONST INT *lpDx) CONST INT *UnsafeDx)
{ {
/* /*
* FIXME: * FIXME:
@ -1508,12 +1508,28 @@ NtGdiExtTextOut(
PXLATEOBJ XlateObj, XlateObj2; PXLATEOBJ XlateObj, XlateObj2;
ULONG Mode; ULONG Mode;
FT_Render_Mode RenderMode; FT_Render_Mode RenderMode;
BOOL Render; BOOLEAN Render;
NTSTATUS Status;
INT *Dx = NULL;;
dc = DC_LockDc(hDC); dc = DC_LockDc(hDC);
if (!dc) if (!dc)
return FALSE; return FALSE;
if (NULL != UnsafeDx)
{
Dx = ExAllocatePoolWithTag(PagedPool, Count * sizeof(INT), TAG_GDITEXT);
if (NULL == Dx)
{
goto fail;
}
Status = MmCopyFromCaller(Dx, UnsafeDx, Count * sizeof(INT));
if (! NT_SUCCESS(Status))
{
goto fail;
}
}
SurfObj = (SURFOBJ*)AccessUserObject((ULONG) dc->Surface); SurfObj = (SURFOBJ*)AccessUserObject((ULONG) dc->Surface);
XStart += dc->w.DCOrgX; XStart += dc->w.DCOrgX;
@ -1655,14 +1671,26 @@ NtGdiExtTextOut(
if (dc->w.textAlign & (TA_RIGHT | TA_CENTER)) if (dc->w.textAlign & (TA_RIGHT | TA_CENTER))
{ {
UINT TextWidth; UINT TextWidth = 0;
LPCWSTR TempText = String; LPCWSTR TempText = String;
int Start;
/* /*
* Calculate width of the text. * Calculate width of the text.
*/ */
for (i = 0; i < Count; i++) if (NULL != Dx)
{
Start = Count < 2 ? 0 : Count - 2;
TextWidth = Count < 2 ? 0 : Dx[Count - 2];
}
else
{
Start = 0;
}
TempText = String + Start;
for (i = Start; i < Count; i++)
{ {
IntLockFreeType; IntLockFreeType;
glyph_index = FT_Get_Char_Index(face, *TempText); glyph_index = FT_Get_Char_Index(face, *TempText);
@ -1700,7 +1728,7 @@ NtGdiExtTextOut(
} }
else else
{ {
XStart -= TextWidth >> 1; XStart -= TextWidth / 2;
} }
} }
@ -1730,7 +1758,7 @@ NtGdiExtTextOut(
glyph = face->glyph; glyph = face->glyph;
/* retrieve kerning distance and move pen position */ /* retrieve kerning distance and move pen position */
if (use_kerning && previous && glyph_index) if (use_kerning && previous && glyph_index && NULL == Dx)
{ {
FT_Vector delta; FT_Vector delta;
IntLockFreeType; IntLockFreeType;
@ -1815,7 +1843,14 @@ NtGdiExtTextOut(
EngDeleteSurface(HSourceGlyph); EngDeleteSurface(HSourceGlyph);
if (NULL == Dx)
{
TextLeft += (glyph->advance.x + 32) >> 6; TextLeft += (glyph->advance.x + 32) >> 6;
}
else
{
TextLeft += Dx[i];
}
previous = glyph_index; previous = glyph_index;
String++; String++;
@ -1831,6 +1866,10 @@ NtGdiExtTextOut(
} }
BRUSHOBJ_UnlockBrush(hBrushFg); BRUSHOBJ_UnlockBrush(hBrushFg);
NtGdiDeleteObject(hBrushFg); NtGdiDeleteObject(hBrushFg);
if (NULL != Dx)
{
ExFreePool(Dx);
}
DC_UnlockDc(hDC); DC_UnlockDc(hDC);
return TRUE; return TRUE;
@ -1847,6 +1886,10 @@ fail:
BRUSHOBJ_UnlockBrush(hBrushFg); BRUSHOBJ_UnlockBrush(hBrushFg);
NtGdiDeleteObject(hBrushFg); NtGdiDeleteObject(hBrushFg);
} }
if (NULL != Dx)
{
ExFreePool(Dx);
}
DC_UnlockDc(hDC); DC_UnlockDc(hDC);
return FALSE; return FALSE;