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0839711566
- Fix Undo/Redo mechanism. - Finish drawing when the tool is to be chanaged and when the file is to be saved. - Add ToolBase::OnFinishDraw to virtualize finishing drawing. - Extend bClearRedo parameter to ImageModel::Undo. - Add ImageModel::DrawSelectionBackground and ImageModel::DeleteSelection methods. - Fix some WM_PAINT message handling. CORE-17969
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL
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* FILE: base/applications/mspaint/history.h
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* PURPOSE: Undo and redo functionality
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* PROGRAMMERS: Benedikt Freisen
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*/
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#pragma once
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/* HISTORYSIZE = number of possible undo-steps + 1 */
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#define HISTORYSIZE 11
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class ImageModel
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{
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private:
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void NotifyDimensionsChanged();
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void NotifyImageChanged();
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HDC hDrawingDC;
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public:
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HBITMAP hBms[HISTORYSIZE];
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private:
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int currInd;
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int undoSteps;
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int redoSteps;
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public:
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ImageModel();
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void CopyPrevious(void);
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void Undo(BOOL bClearRedo = FALSE);
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void Redo(void);
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void ResetToPrevious(void);
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void ClearHistory(void);
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void Insert(HBITMAP hbm);
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void Crop(int nWidth, int nHeight, int nOffsetX = 0, int nOffsetY = 0);
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void SaveImage(LPTSTR lpFileName);
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BOOL IsImageSaved() const;
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BOOL HasUndoSteps() const;
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BOOL HasRedoSteps() const;
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void StretchSkew(int nStretchPercentX, int nStretchPercentY, int nSkewDegX = 0, int nSkewDegY = 0);
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int GetWidth() const;
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int GetHeight() const;
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void InvertColors();
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void Clear(COLORREF color = 0x00ffffff);
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HDC GetDC();
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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 DrawSelectionBackground(COLORREF rgbBG);
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void DeleteSelection();
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void Bound(POINT& pt);
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};
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