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dfd06ee8fc
- Add SkewDIB helper function in dib.cpp. - Implement Stretch and Skew feature by SelectionModel::StretchSkew and ImageModel::StretchSkew. - Move ColorKeyedMaskBlt function. CORE-16634
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL
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* FILE: base/applications/mspaint/selectionmodel.h
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* PURPOSE: Keep track of selection parameters, notify listeners
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* PROGRAMMERS: Benedikt Freisen
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* Katayama Hirofumi MZ
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*/
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#pragma once
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/* DEFINES **********************************************************/
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#define ACTION_MOVE 0
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#define ACTION_RESIZE_TOP_LEFT 1
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#define ACTION_RESIZE_TOP 2
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#define ACTION_RESIZE_TOP_RIGHT 3
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#define ACTION_RESIZE_LEFT 4
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#define ACTION_RESIZE_RIGHT 5
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#define ACTION_RESIZE_BOTTOM_LEFT 6
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#define ACTION_RESIZE_BOTTOM 7
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#define ACTION_RESIZE_BOTTOM_RIGHT 8
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/* CLASSES **********************************************************/
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class SelectionModel
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{
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private:
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HDC m_hDC;
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RECT m_rcSrc;
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RECT m_rcDest;
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HBITMAP m_hBm;
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HBITMAP m_hMask;
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POINT *m_ptStack;
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int m_iPtSP;
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// void NotifySelectionChanging();
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// void NotifySelectionChanged();
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void NotifyRefreshNeeded();
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public:
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SelectionModel();
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~SelectionModel();
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void ResetPtStack();
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void PushToPtStack(LONG x, LONG y);
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void CalculateBoundingBoxAndContents(HDC hDCImage);
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void CalculateContents(HDC hDCImage);
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void DrawBackgroundPoly(HDC hDCImage, COLORREF crBg);
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void DrawBackgroundRect(HDC hDCImage, COLORREF crBg);
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void DrawSelection(HDC hDCImage, COLORREF crBg = 0, BOOL bBgTransparent = FALSE);
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void DrawSelectionStretched(HDC hDCImage);
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void ScaleContentsToFit();
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void InsertFromHBITMAP(HBITMAP hBm, INT x = 0, INT y = 0);
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void FlipHorizontally();
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void FlipVertically();
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void RotateNTimes90Degrees(int iN);
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void StretchSkew(int nStretchPercentX, int nStretchPercentY, int nSkewDegX = 0, int nSkewDegY = 0);
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HBITMAP GetBitmap() const;
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int PtStackSize() const;
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void DrawFramePoly(HDC hDCImage);
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void SetSrcAndDestRectFromPoints(const POINT& ptFrom, const POINT& ptTo);
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void SetSrcRectSizeToZero();
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BOOL IsSrcRectSizeNonzero() const;
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void ModifyDestRect(POINT& ptDelta, int iAction);
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LONG GetDestRectWidth() const;
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LONG GetDestRectHeight() const;
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LONG GetDestRectLeft() const;
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LONG GetDestRectTop() const;
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void GetRect(LPRECT prc) const;
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private:
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SelectionModel(const SelectionModel&);
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SelectionModel& operator=(const SelectionModel&);
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};
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