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gdiplus: Implemented GdipIsMatrixIdentity.

This commit is contained in:
Nikolay Sivov 2008-04-30 01:28:35 +04:00 committed by Alexandre Julliard
parent 6dd720dcb5
commit 93f6601d03
3 changed files with 23 additions and 1 deletions
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2
dlls/gdiplus/gdiplus.spec
View File

@ -419,7 +419,7 @@
@ stub GdipIsEqualRegion
@ stub GdipIsInfiniteRegion
@ stdcall GdipIsMatrixEqual(ptr ptr ptr)
@ stub GdipIsMatrixIdentity
@ stdcall GdipIsMatrixIdentity(ptr ptr)
@ stub GdipIsMatrixInvertible
@ stub GdipIsOutlineVisiblePathPoint
@ stdcall GdipIsOutlineVisiblePathPointI(ptr long long ptr ptr ptr)

21
dlls/gdiplus/matrix.c
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@ -366,3 +366,24 @@ GpStatus WINGDIPAPI GdipIsMatrixEqual(GDIPCONST GpMatrix *matrix, GDIPCONST GpMa
return Ok;
}
GpStatus WINGDIPAPI GdipIsMatrixIdentity(GDIPCONST GpMatrix *matrix, BOOL *result)
{
GpMatrix *e;
GpStatus ret;
BOOL isIdentity;
if(!matrix || !result)
return InvalidParameter;
ret = GdipCreateMatrix(&e);
if(ret != Ok) return ret;
ret = GdipIsMatrixEqual(matrix, e, &isIdentity);
if(ret == Ok)
*result = isIdentity;
GdipFree(e);
return ret;
}

1
include/gdiplusflat.h
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@ -238,6 +238,7 @@ GpStatus WINGDIPAPI GdipCreateMatrix2(REAL,REAL,REAL,REAL,REAL,REAL,GpMatrix**);
GpStatus WINGDIPAPI GdipCreateMatrix3(GDIPCONST GpRectF *,GDIPCONST GpPointF*,GpMatrix**);
GpStatus WINGDIPAPI GdipCreateMatrix3I(GDIPCONST GpRect*,GDIPCONST GpPoint*,GpMatrix**);
GpStatus WINGDIPAPI GdipIsMatrixEqual(GDIPCONST GpMatrix*, GDIPCONST GpMatrix*, BOOL*);
GpStatus WINGDIPAPI GdipIsMatrixIdentity(GDIPCONST GpMatrix*, BOOL*);
GpStatus WINGDIPAPI GdipDeleteMatrix(GpMatrix*);
GpStatus WINGDIPAPI GdipGetMatrixElements(GDIPCONST GpMatrix*,REAL*);