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68 lines
2 KiB
C++
68 lines
2 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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*/
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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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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);
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void FlipHorizontally();
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void FlipVertically();
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void RotateNTimes90Degrees(int iN);
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HBITMAP GetBitmap();
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int PtStackSize();
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void DrawFramePoly(HDC hDCImage);
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void SetSrcAndDestRectFromPoints(POINT& ptFrom, POINT& ptTo);
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void SetSrcRectSizeToZero();
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BOOL IsSrcRectSizeNonzero();
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void ModifyDestRect(POINT& ptDelta, int iAction);
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LONG GetDestRectWidth();
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LONG GetDestRectHeight();
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LONG GetDestRectLeft();
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LONG GetDestRectTop();
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void DrawTextToolText(HDC hDCImage, COLORREF crFg, COLORREF crBg, BOOL bBgTransparent = FALSE);
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};
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