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gdiplus: Implemented GdipIsEqualRegion.

This commit is contained in:
Nikolay Sivov 2009-01-30 22:19:22 +03:00 committed by Alexandre Julliard
parent ac0252db33
commit 03a02d83dd
2 changed files with 122 additions and 2 deletions
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31
dlls/gdiplus/region.c
View File

@ -1006,12 +1006,39 @@ GpStatus WINGDIPAPI GdipIsEmptyRegion(GpRegion *region, GpGraphics *graphics, BO
return Ok;
}
/*****************************************************************************
* GdipIsEqualRegion [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipIsEqualRegion(GpRegion *region, GpRegion *region2, GpGraphics *graphics,
BOOL *res)
{
FIXME("(%p, %p, %p, %p): stub\n", region, region2, graphics, res);
HRGN hrgn1, hrgn2;
GpStatus stat;
return NotImplemented;
TRACE("(%p, %p, %p, %p)\n", region, region2, graphics, res);
if(!region || !region2 || !graphics || !res)
return InvalidParameter;
stat = GdipGetRegionHRgn(region, graphics, &hrgn1);
if(stat != Ok)
return stat;
stat = GdipGetRegionHRgn(region2, graphics, &hrgn2);
if(stat != Ok){
DeleteObject(hrgn1);
return stat;
}
*res = EqualRgn(hrgn1, hrgn2);
/* one of GpRegions is infinite */
if(*res == ERROR)
*res = (!hrgn1 && !hrgn2);
DeleteObject(hrgn1);
DeleteObject(hrgn2);
return Ok;
}
/*****************************************************************************

93
dlls/gdiplus/tests/region.c
View File

@ -951,6 +951,98 @@ static void test_gethrgn(void)
ReleaseDC(0, hdc);
}
static void test_isequal(void)
{
GpRegion *region1, *region2;
GpGraphics *graphics;
GpRectF rectf;
GpStatus status;
HDC hdc = GetDC(0);
BOOL res;
status = GdipCreateFromHDC(hdc, &graphics);
ok(status == Ok, "status %08x\n", status);
status = GdipCreateRegion(&region1);
ok(status == Ok, "status %08x\n", status);
status = GdipCreateRegion(&region2);
ok(status == Ok, "status %08x\n", status);
/* NULL */
status = GdipIsEqualRegion(NULL, NULL, NULL, NULL);
ok(status == InvalidParameter, "status %08x\n", status);
status = GdipIsEqualRegion(region1, region2, NULL, NULL);
ok(status == InvalidParameter, "status %08x\n", status);
status = GdipIsEqualRegion(region1, region2, graphics, NULL);
ok(status == InvalidParameter, "status %08x\n", status);
status = GdipIsEqualRegion(region1, region2, NULL, &res);
ok(status == InvalidParameter, "status %08x\n", status);
/* infinite regions */
res = FALSE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(res, "Expected to be equal.\n");
/* empty regions */
status = GdipSetEmpty(region1);
ok(status == Ok, "status %08x\n", status);
status = GdipSetEmpty(region2);
ok(status == Ok, "status %08x\n", status);
res = FALSE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(res, "Expected to be equal.\n");
/* empty & infinite */
status = GdipSetInfinite(region1);
ok(status == Ok, "status %08x\n", status);
res = TRUE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(!res, "Expected to be unequal.\n");
/* rect & (inf/empty) */
rectf.X = rectf.Y = 0.0;
rectf.Width = rectf.Height = 100.0;
status = GdipCombineRegionRect(region1, &rectf, CombineModeReplace);
ok(status == Ok, "status %08x\n", status);
res = TRUE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(!res, "Expected to be unequal.\n");
status = GdipSetInfinite(region2);
ok(status == Ok, "status %08x\n", status);
res = TRUE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(!res, "Expected to be unequal.\n");
/* roughly equal rectangles */
rectf.X = rectf.Y = 0.0;
rectf.Width = rectf.Height = 100.001;
status = GdipCombineRegionRect(region2, &rectf, CombineModeReplace);
ok(status == Ok, "status %08x\n", status);
res = FALSE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(res, "Expected to be equal.\n");
/* equal rectangles */
rectf.X = rectf.Y = 0.0;
rectf.Width = rectf.Height = 100.0;
status = GdipCombineRegionRect(region2, &rectf, CombineModeReplace);
ok(status == Ok, "status %08x\n", status);
res = FALSE;
status = GdipIsEqualRegion(region1, region2, graphics, &res);
ok(status == Ok, "status %08x\n", status);
ok(res, "Expected to be equal.\n");
/* cleanup */
status = GdipDeleteRegion(region1);
ok(status == Ok, "status %08x\n", status);
status = GdipDeleteRegion(region2);
ok(status == Ok, "status %08x\n", status);
status = GdipDeleteGraphics(graphics);
ok(status == Ok, "status %08x\n", status);
ReleaseDC(0, hdc);
}
START_TEST(region)
{
struct GdiplusStartupInput gdiplusStartupInput;
@ -969,6 +1061,7 @@ START_TEST(region)
test_combinereplace();
test_fromhrgn();
test_gethrgn();
test_isequal();
GdiplusShutdown(gdiplusToken);
}