reactos/base/applications/mspaint/history.h

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/mspaint/history.h
   5  * PURPOSE:     Undo and redo functionality
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 class ImageModel
  10 {
  11 private:
  12     void NotifyDimensionsChanged();
  13     void NotifyImageChanged();
  14     HDC hDrawingDC;
  15 public:
  16     HBITMAP hBms[HISTORYSIZE];
  17 private:
  18     int currInd;
  19     int undoSteps;
  20     int redoSteps;
  21 public:
  22     BOOL imageSaved;
  23
  24     ImageModel();
  25     void CopyPrevious(void);
  26     void Undo(void);
  27     void Redo(void);
  28     void ResetToPrevious(void);
  29     void ClearHistory(void);
  30     void Insert(HBITMAP hbm);
  31     void Crop(int nWidth, int nHeight, int nOffsetX = 0, int nOffsetY = 0);
  32     void SaveImage(LPTSTR lpFileName);
  33     BOOL IsImageSaved();
  34     BOOL HasUndoSteps();
  35     BOOL HasRedoSteps();
  36     void StretchSkew(int nStretchPercentX, int nStretchPercentY, int nSkewDegX = 0, int nSkewDegY = 0);
  37     int GetWidth();
  38     int GetHeight();
  39     void InvertColors();
  40     void Clear(COLORREF color = 0x00ffffff);
  41     HDC GetDC();
  42     void FlipHorizontally();
  43     void FlipVertically();
  44     void RotateNTimes90Degrees(int iN);
  45 };