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gdi32: Support MWT_SET in NtGdiModifyWorldTransform. 

It's not defined in public headers, but it's documented in EMF spec.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-08-13 12:08:00 +02:00 committed by Alexandre Julliard
parent 36bfd7cd71
commit eb5c039f42
3 changed files with 29 additions and 0 deletions
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5
dlls/gdi32/mapping.c
View File

@ -366,6 +366,11 @@ BOOL WINAPI NtGdiModifyWorldTransform( HDC hdc, const XFORM *xform, DWORD mode )
case MWT_RIGHTMULTIPLY:
ret = CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd, xform );
break;
case MWT_SET:
ret = dc->attr->graphics_mode == GM_ADVANCED &&
xform->eM11 * xform->eM22 != xform->eM12 * xform->eM21;
if (ret) dc->xformWorld2Wnd = *xform;
break;
}
if (ret) DC_UpdateXforms( dc );
release_dc_ptr( dc );

22
dlls/gdi32/tests/mapping.c
View File

@ -385,6 +385,7 @@ static void test_dc_layout(void)
static void test_modify_world_transform(void)
{
HDC hdc = GetDC(0);
XFORM xform, xform2;
int ret;
ret = SetGraphicsMode(hdc, GM_ADVANCED);
@ -399,6 +400,27 @@ static void test_modify_world_transform(void)
ret = ModifyWorldTransform(hdc, NULL, MWT_RIGHTMULTIPLY);
ok(!ret, "ret = %d\n", ret);
xform.eM11 = 2;
xform.eM12 = 0;
xform.eM21 = 0;
xform.eM22 = 1;
xform.eDx = xform.eDy = 0;
ret = ModifyWorldTransform(hdc, &xform, 4);
ok(ret, "ModifyWorldTransform failed\n");
memset(&xform2, 0xcc, sizeof(xform2));
ret = GetWorldTransform(hdc, &xform2);
ok(ret, "GetWorldTransform failed\n");
ok(!memcmp(&xform, &xform2, sizeof(xform)), "unexpected xform\n");
xform.eM11 = 1;
xform.eM12 = 1;
xform.eM21 = 1;
xform.eM22 = 1;
xform.eDx = xform.eDy = 0;
ret = ModifyWorldTransform(hdc, &xform, 4);
ok(!ret, "ModifyWorldTransform succeeded\n");
ReleaseDC(0, hdc);
}

2
include/ntgdi.h
View File

@ -105,6 +105,8 @@ enum
NtGdiSetMapMode = 8,
};
#define MWT_SET 4
/* structs not compatible with native Windows */
#ifdef __WINESRC__