reactos/base/applications/mspaint/selectionmodel.h

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/mspaint/selectionmodel.h
   5  * PURPOSE:     Keep track of selection parameters, notify listeners
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* DEFINES **********************************************************/
  10
  11 #define ACTION_MOVE                 0
  12 #define ACTION_RESIZE_TOP_LEFT      1
  13 #define ACTION_RESIZE_TOP           2
  14 #define ACTION_RESIZE_TOP_RIGHT     3
  15 #define ACTION_RESIZE_LEFT          4
  16 #define ACTION_RESIZE_RIGHT         5
  17 #define ACTION_RESIZE_BOTTOM_LEFT   6
  18 #define ACTION_RESIZE_BOTTOM        7
  19 #define ACTION_RESIZE_BOTTOM_RIGHT  8
  20
  21 /* CLASSES **********************************************************/
  22
  23 class SelectionModel
  24 {
  25 private:
  26     HDC m_hDC;
  27     RECT m_rcSrc;
  28     RECT m_rcDest;
  29     HBITMAP m_hBm;
  30     HBITMAP m_hMask;
  31     POINT *m_ptStack;
  32     int m_iPtSP;
  33
  34 //     void NotifySelectionChanging();
  35 //     void NotifySelectionChanged();
  36     void NotifyRefreshNeeded();
  37
  38 public:
  39     SelectionModel();
  40     void ResetPtStack();
  41     void PushToPtStack(LONG x, LONG y);
  42     void CalculateBoundingBoxAndContents(HDC hDCImage);
  43     void CalculateContents(HDC hDCImage);
  44     void DrawBackgroundPoly(HDC hDCImage, COLORREF crBg);
  45     void DrawBackgroundRect(HDC hDCImage, COLORREF crBg);
  46     void DrawSelection(HDC hDCImage, COLORREF crBg = 0, BOOL bBgTransparent = FALSE);
  47     void DrawSelectionStretched(HDC hDCImage);
  48     void ScaleContentsToFit();
  49     void InsertFromHBITMAP(HBITMAP hBm);
  50     void FlipHorizontally();
  51     void FlipVertically();
  52     void RotateNTimes90Degrees(int iN);
  53     HBITMAP GetBitmap();
  54     int PtStackSize();
  55     void DrawFramePoly(HDC hDCImage);
  56     void SetSrcAndDestRectFromPoints(POINT& ptFrom, POINT& ptTo);
  57     void SetSrcRectSizeToZero();
  58     BOOL IsSrcRectSizeNonzero();
  59     void ModifyDestRect(POINT& ptDelta, int iAction);
  60     LONG GetDestRectWidth();
  61     LONG GetDestRectHeight();
  62     LONG GetDestRectLeft();
  63     LONG GetDestRectTop();
  64     void DrawTextToolText(HDC hDCImage, COLORREF crFg, COLORREF crBg, BOOL bBgTransparent = FALSE);
  65 };