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[NTGDI] Fix MaskBlt error code and check pattern usage (#7083)

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Follow-up to #7074. Fix MaskBlt behaviour.
JIRA issue: CORE-13133
- Fix MaskBlt error code.
- Fix MaskBlt pattern usage check.
This commit is contained in:
Katayama Hirofumi MZ 2024-07-06 13:28:26 +09:00 committed by GitHub
parent c536664666
commit 61cdd02d1c
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GPG key ID: B5690EEEBB952194
1 changed files with 12 additions and 4 deletions
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16
win32ss/gdi/ntgdi/bitblt.c
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@ -337,18 +337,22 @@ NtGdiMaskBlt(
BOOL Status = FALSE;
EXLATEOBJ exlo;
XLATEOBJ *XlateObj = NULL;
BOOL UsesSource;
BOOL UsesSource, UsesPattern;
ROP4 rop4;
rop4 = WIN32_ROP4_TO_ENG_ROP4(dwRop4);
UsesSource = ROP4_USES_SOURCE(rop4);
if (!hdcDest || (UsesSource && !hdcSrc))
if (!hdcDest)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
UsesSource = ROP4_USES_SOURCE(rop4);
UsesPattern = ROP4_USES_PATTERN(rop4);
if (!hdcSrc && (UsesSource || UsesPattern))
return FALSE;
/* Check if we need a mask and have a mask bitmap */
if (ROP4_USES_MASK(rop4) && (hbmMask != NULL))
{
@ -363,8 +367,8 @@ NtGdiMaskBlt(
/* Make sure the mask bitmap is 1 BPP */
if (gajBitsPerFormat[psurfMask->SurfObj.iBitmapFormat] != 1)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
SURFACE_ShareUnlockSurface(psurfMask);
EngSetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
}
@ -398,6 +402,7 @@ NtGdiMaskBlt(
if(DCSrc) DC_UnlockDc(DCSrc);
WARN("Invalid destination dc handle (0x%p) passed to NtGdiMaskBlt\n", hdcDest);
if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
@ -533,6 +538,9 @@ cleanup:
DC_UnlockDc(DCDest);
if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
if (!Status)
EngSetLastError(ERROR_INVALID_PARAMETER);
return Status;
}