windows-nt/Source/XPSP1/NT/shell/osshell/accesory/mspaint/tracker.h

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2020-09-26 03:20:57 -05:00
#ifndef __TRACKER_H__
#define __TRACKER_H__
#include "sprite.h"
extern HCURSOR HCursorFromTrackerState( int m );
class CTracker : public CSprite
{
public:
enum STATE
{ // WARNING - mapTrackerStateToPHCursor
nil, // (in tracker.cpp) is
predrag, // dependant on the
moving, // ordering of this enum!
resizingTop,
resizingLeft,
resizingRight,
resizingBottom,
resizingTopLeft,
resizingTopRight,
resizingBottomLeft,
resizingBottomRight,
};
enum { HANDLE_SIZE = 3 }; // size of tracker resize handles
enum EDGES
{
none = 0,
left = 1,
top = 2,
right = 4,
bottom = 8,
all = 15
};
static void DrawBorder ( CDC* pDC, const CRect& rect, EDGES edges = all );
static void DrawHandles( CDC* pDC, const CRect& rect, EDGES edges );
static STATE HitTest(const CRect& rect, CPoint pt, STATE defaultState );
static void DrawBorderRgn ( CDC* pdc, const CRect& trackerRect, CRgn *pcRgnPoly );
static void DrawHandlesRgn( CDC* pDC, const CRect& rect, EDGES edges, CRgn *pcRgnPoly );
static STATE HitTestRgn(const CRect& rect, CPoint pt, STATE defaultState, CRgn *pcRgnPoly );
static void CleanUpTracker();
};
#endif // __TRACKER_H__