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gdi32: Fix meaning and use of bidirectionality flags.

This commit is contained in:
Maarten Lankhorst 2007-09-27 10:41:58 +02:00 committed by Alexandre Julliard
parent 455a4994d5
commit 6b2a6a2bcf
2 changed files with 14 additions and 21 deletions
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29
dlls/gdi32/bidi.c
View File

@ -1054,7 +1054,7 @@ BOOL BIDI_Reorder(
{
WORD *levels;
WORD *chartype;
unsigned i, baselevel = 0, forcedir = 0, done;
unsigned i, baselevel = 0, done;
TRACE("%s, %d, 0x%08x lpOutString=%p, lpOrder=%p\n",
debugstr_wn(lpString, uCount), uCount, dwFlags,
lpOutString, lpOrder);
@ -1081,14 +1081,8 @@ BOOL BIDI_Reorder(
memcpy(lpOutString, lpString, uCount * sizeof(WCHAR));
switch (dwWineGCP_Flags&WINE_GCPW_DIR_MASK)
{
/* force means initial level is set directly,
* loose means initial level is determined by first character that has a direction */
case WINE_GCPW_FORCE_LTR: forcedir = L; break;
case WINE_GCPW_FORCE_RTL: forcedir = R; baselevel = 1; break;
default: break;
}
if (WINE_GCPW_FORCE_RTL == (dwWineGCP_Flags&WINE_GCPW_DIR_MASK))
baselevel = 1;
i = done = 0;
while (done < uCount)
@ -1107,29 +1101,26 @@ BOOL BIDI_Reorder(
default: continue;
}
if (!forcedir)
{
if ((dwWineGCP_Flags&WINE_GCPW_DIR_MASK) == WINE_GCPW_LOOSE_RTL)
baselevel = 1;
else baselevel = 0;
if ((dwWineGCP_Flags&WINE_GCPW_DIR_MASK) == WINE_GCPW_LOOSE_RTL)
baselevel = 1;
else if ((dwWineGCP_Flags&WINE_GCPW_DIR_MASK) == WINE_GCPW_LOOSE_LTR)
baselevel = 0;
if (dwWineGCP_Flags & WINE_GCPW_LOOSE_MASK)
for (j = 0; j < i; ++j)
{
if (chartype[j] == L)
{
baselevel = 0;
break;
}
if (chartype[j] == R)
else if (chartype[j] == R)
{
baselevel = 1;
break;
}
}
}
/* resolve explicit */
resolveExplicit(baselevel, forcedir, chartype, levels, i, 0);
resolveExplicit(baselevel, N, chartype, levels, i, 0);
/* resolve weak */
resolveWeak(baselevel, chartype, levels, i);

6
dlls/gdi32/gdi_private.h
View File

@ -373,14 +373,16 @@ typedef struct tagBITMAPOBJ
/* Wine_GCPW Flags */
/* Directionality -
* LOOSE means that the paragraph dir is only set if there is no strong character.
* FORCE means override the characters in the paragraph.
* LOOSE means taking the directionality of the first strong character, if there is found one.
* FORCE means the paragraph direction is forced. (RLE/LRE)
*/
#define WINE_GCPW_FORCE_LTR 0
#define WINE_GCPW_FORCE_RTL 1
#define WINE_GCPW_LOOSE_LTR 2
#define WINE_GCPW_LOOSE_RTL 3
#define WINE_GCPW_DIR_MASK 3
#define WINE_GCPW_LOOSE_MASK 2
extern BOOL BIDI_Reorder( LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
LPWSTR lpOutString, INT uCountOut, UINT *lpOrder );