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Added wxGraphicsContext::CreateMatrix(wxAffineMatrix2D) overload.

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Make it easy to convert generic wxAffineMatrix2D to native wxGraphicsMatrix.

Closes #13188.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71085 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-04-03 11:50:19 +00:00
parent 733fa10b1a
commit 771563baee
2 changed files with 18 additions and 0 deletions
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10
include/wx/graphics.h
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@@ -510,6 +510,16 @@ public:
virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
wxDouble tx=0.0, wxDouble ty=0.0) const; wxDouble tx=0.0, wxDouble ty=0.0) const;
wxGraphicsMatrix CreateMatrix( const wxAffineMatrix2DBase& mat ) const
{
wxMatrix2D mat2D;
wxPoint2DDouble tr;
mat.Get(&mat2D, &tr);
return CreateMatrix(mat2D.m_11, mat2D.m_12, mat2D.m_21, mat2D.m_22,
tr.m_x, tr.m_y);
}
// push the current state of the context, ie the transformation matrix on a stack // push the current state of the context, ie the transformation matrix on a stack
virtual void PushState() = 0; virtual void PushState() = 0;

8
interface/wx/graphics.h
View File

@@ -512,6 +512,14 @@ public:
wxDouble tx = 0.0, wxDouble tx = 0.0,
wxDouble ty = 0.0) const; wxDouble ty = 0.0) const;
/**
Creates a native affine transformation matrix from the passed
generic one.
@since 2.9.4
*/
wxGraphicsMatrix CreateMatrix(const wxAffineMatrix2DBase& mat) const;
/** /**
Creates a native graphics path which is initially empty. Creates a native graphics path which is initially empty.
*/ */