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f5200e6c25
According to Benedikt Freisen, he didn't port the code base to C++
until 2015. Addendum to 8f1f1c7a5a. CORE-18867
70 lines
2 KiB
C++
70 lines
2 KiB
C++
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
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* PURPOSE: Keep track of selection parameters, notify listeners
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* COPYRIGHT: Copyright 2015 Benedikt Freisen <b.freisen@gmx.net>
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* Copyright 2019-2023 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
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*/
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#pragma once
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class SelectionModel
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{
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private:
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HBITMAP m_hbmColor;
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HBITMAP m_hbmMask;
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POINT *m_ptStack;
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int m_iPtSP;
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public:
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COLORREF m_rgbBack;
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BOOL m_bShow;
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BOOL m_bContentChanged;
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CRect m_rc; // in image pixel coordinates
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POINT m_ptHit; // in image pixel coordinates
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CRect m_rcOld; // in image pixel coordinates
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SelectionModel();
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~SelectionModel();
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void ResetPtStack();
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void PushToPtStack(POINT pt);
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int PtStackSize() const;
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void SetRectFromPoints(const POINT& ptFrom, const POINT& ptTo);
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void BuildMaskFromPtStack();
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BOOL TakeOff();
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void Landing();
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BOOL IsLanded() const;
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void HideSelection();
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void DeleteSelection();
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HBITMAP CopyBitmap();
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void GetSelectionContents(HDC hDCImage);
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void DrawFramePoly(HDC hDCImage);
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void DrawBackground(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 InsertFromHBITMAP(HBITMAP hbmColor, INT x = 0, INT y = 0, HBITMAP hbmMask = NULL);
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// operation
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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, int nSkewDegY);
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void InvertSelection();
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void Dragging(HITTEST hit, POINT pt);
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void ClearMask();
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void ClearColor();
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void NotifyContentChanged();
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private:
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SelectionModel(const SelectionModel&);
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SelectionModel& operator=(const SelectionModel&);
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void ShiftPtStack(INT dx, INT dy);
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void SwapWidthAndHeight();
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};
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