Jacek Caban : win32u: Implement NtGdiGetDCPoint.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 43126a5053ce62586d74fd70e87e9a1e7d267569
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=43126a5053ce62586d74fd70e87e9a1e7d267569

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Tue Apr 12 13:09:06 2022 +0200

win32u: Implement NtGdiGetDCPoint.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Huw Davies <huw at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/win32u/dc.c        | 36 ++++++++++++++++++++++++++++++++++++
 dlls/win32u/syscall.c   |  1 +
 dlls/win32u/win32u.spec |  2 +-
 dlls/wow64win/gdi.c     |  9 +++++++++
 dlls/wow64win/syscall.h |  1 +
 include/ntgdi.h         |  8 ++++++++
 6 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/dc.c b/dlls/win32u/dc.c
index 01a9c5d258a..216b3813729 100644
--- a/dlls/win32u/dc.c
+++ b/dlls/win32u/dc.c
@@ -1027,6 +1027,42 @@ BOOL WINAPI NtGdiGetDCDword( HDC hdc, UINT method, DWORD *result )
 }
 
 
+/***********************************************************************
+ *           NtGdiGetDCPoint    (win32u.@)
+ */
+BOOL WINAPI NtGdiGetDCPoint( HDC hdc, UINT method, POINT *result )
+{
+    BOOL ret = TRUE;
+    DC *dc;
+
+    if (!(dc = get_dc_ptr( hdc ))) return 0;
+
+    switch (method)
+    {
+    case NtGdiGetBrushOrgEx:
+        *result = dc->attr->brush_org;
+        break;
+
+    case NtGdiGetCurrentPosition:
+        *result = dc->attr->cur_pos;
+        break;
+
+    case NtGdiGetDCOrg:
+        result->x = dc->attr->vis_rect.left;
+        result->y = dc->attr->vis_rect.top;
+        break;
+
+    default:
+        WARN( "unknown method %u\n", method );
+        ret = FALSE;
+        break;
+    }
+
+    release_dc_ptr( dc );
+    return ret;
+}
+
+
 /***********************************************************************
  *           NtGdiSetBrushOrg    (win32u.@)
  */
diff --git a/dlls/win32u/syscall.c b/dlls/win32u/syscall.c
index f9e1d67bb6b..d19ab54fa90 100644
--- a/dlls/win32u/syscall.c
+++ b/dlls/win32u/syscall.c
@@ -72,6 +72,7 @@ static void * const syscalls[] =
     NtGdiGetColorAdjustment,
     NtGdiGetDCDword,
     NtGdiGetDCObject,
+    NtGdiGetDCPoint,
     NtGdiGetFontFileData,
     NtGdiGetFontFileInfo,
     NtGdiGetNearestPaletteIndex,
diff --git a/dlls/win32u/win32u.spec b/dlls/win32u/win32u.spec
index 522f280f9ae..8c2073d0fb1 100644
--- a/dlls/win32u/win32u.spec
+++ b/dlls/win32u/win32u.spec
@@ -464,7 +464,7 @@
 @ stub NtGdiGetDCDpiScaleValue
 @ stdcall -syscall NtGdiGetDCDword(long long ptr)
 @ stdcall -syscall NtGdiGetDCObject(long long)
-@ stub NtGdiGetDCPoint
+@ stdcall -syscall NtGdiGetDCPoint(long long ptr)
 @ stub NtGdiGetDCforBitmap
 @ stdcall NtGdiGetDIBitsInternal(long long long long ptr ptr long long long)
 @ stdcall NtGdiGetDeviceCaps(long long)
diff --git a/dlls/wow64win/gdi.c b/dlls/wow64win/gdi.c
index 15dae62c1e0..ed85754640d 100644
--- a/dlls/wow64win/gdi.c
+++ b/dlls/wow64win/gdi.c
@@ -67,6 +67,15 @@ NTSTATUS WINAPI wow64_NtGdiGetDCObject( UINT *args )
     return HandleToUlong( NtGdiGetDCObject( hdc, type ));
 }
 
+NTSTATUS WINAPI wow64_NtGdiGetDCPoint( UINT *args )
+{
+    HDC hdc = get_handle( &args );
+    UINT method = get_ulong( &args );
+    POINT *result = get_ptr( &args );
+
+    return NtGdiGetDCPoint( hdc, method, result );
+}
+
 NTSTATUS WINAPI wow64_NtGdiCreateBitmap( UINT *args )
 {
     INT width = get_ulong( &args );
diff --git a/dlls/wow64win/syscall.h b/dlls/wow64win/syscall.h
index 1632f007e34..ba921e7e543 100644
--- a/dlls/wow64win/syscall.h
+++ b/dlls/wow64win/syscall.h
@@ -59,6 +59,7 @@
     SYSCALL_ENTRY( NtGdiGetColorAdjustment ) \
     SYSCALL_ENTRY( NtGdiGetDCDword ) \
     SYSCALL_ENTRY( NtGdiGetDCObject ) \
+    SYSCALL_ENTRY( NtGdiGetDCPoint ) \
     SYSCALL_ENTRY( NtGdiGetFontFileData ) \
     SYSCALL_ENTRY( NtGdiGetFontFileInfo ) \
     SYSCALL_ENTRY( NtGdiGetNearestPaletteIndex ) \
diff --git a/include/ntgdi.h b/include/ntgdi.h
index 8f3d4c05178..78d0f620be3 100644
--- a/include/ntgdi.h
+++ b/include/ntgdi.h
@@ -131,6 +131,14 @@ enum
     NtGdiIsMemDC,
 };
 
+/* NtGdiGetDCPoint parameter, not compatible with Windows */
+enum
+{
+    NtGdiGetBrushOrgEx,
+    NtGdiGetCurrentPosition,
+    NtGdiGetDCOrg,
+};
+
 enum
 {
     NtGdiAnimatePalette,