#include <Wtypes.h>
#include <CommCtrl.h>
#include "maxheap.h"
#include "ref.h"

Classes
class	ICurveCtl
class	CurvePoint
class	ICurve
class	ResourceMakerCallback
Defines
#define	CURVE_CONTROL_CLASS_ID Class_ID(0x14585773, 0x483a7dcf)
#define	I_RESMAKER_INTERFACE 0x2474334a
#define	WM_CC_SEL_CURVEPT WM_USER+0x2b70
#define	WM_CC_CHANGE_CURVEPT WM_USER+0x2b71
#define	WM_CC_CHANGE_CURVETANGENT WM_USER+0x2b72
#define	WM_CC_DEL_CURVEPT WM_USER+0x2b73
#define	WM_CC_INSERT_CURVEPT WM_USER+0x2b74
#define	WM_CC_LBUTTONDOWN WM_USER+0x2b75
#define	WM_CC_RBUTTONDOWN WM_USER+0x2b76
#define	WM_CC_LBUTTONUP WM_USER+0x2b77
#define	IN_CURVETANGENT_CHANGED (1<<0)
#define	OUT_CURVETANGENT_CHANGED (1<<1)
#define	IN_CURVETANGENT_CHANGED (1<<0)
#define	OUT_CURVETANGENT_CHANGED (1<<1)
#define	CC_DRAWBG (1<<0)
	Draw the white background in the graph window.
#define	CC_DRAWGRID (1<<1)
	Draw the grid lines and coordinates in the graph window.
#define	CC_DRAWUTOOLBAR (1<<2)
	Draw the upper toolbar above the control.
#define	CC_SHOWRESET (1<<3)
	Display the Reset button in the upper toolbar.
#define	CC_DRAWLTOOLBAR (1<<4)
	Draw the lower toolbar beneath the control.
#define	CC_DRAWSCROLLBARS (1<<5)
	Draw the horizontal and vertical scroll bars for the control.
#define	CC_AUTOSCROLL (1<<6)
	Auto scroll happens when you drag a CurvePoint out of the currently visible range.
#define	CC_DRAWRULER (1<<7)
	Draw a small moveable ruler window that measures horizontal coordinates.
#define	CC_ASPOPUP (1<<8)
	Show the window as popup window.
#define	CC_CONSTRAIN_Y (1<<9)
	No points (or handles) can be moved out of the value that is set by SetYRange().
#define	CC_HIDE_DISABLED_CURVES (1<<10)
	If this is not set, the disabled curves will be drawn by the color set by SetDisabledPenProperty().
#define	CC_RCMENU_MOVE_XY (1<<11)
	Right-click menu item.
#define	CC_RCMENU_MOVE_X (1<<12)
	Right-click menu item.
#define	CC_RCMENU_MOVE_Y (1<<13)
	Right-click menu item.
#define	CC_RCMENU_SCALE (1<<14)
	Right-click menu item.
#define	CC_RCMENU_INSERT_CORNER (1<<15)
	Right-click menu item.
#define	CC_RCMENU_INSERT_BEZIER (1<<16)
	Right-click menu item.
#define	CC_RCMENU_DELETE (1<<17)
	Right-click menu item.
#define	CC_SHOW_CURRENTXVAL (1<<18)
	You loose the automatic switch from insert to move mode when right-clicking, if a RightClick menu is active.
#define	CC_SINGLESELECT (1<<19)
	Normally, if several points are stacked in area, clicking on the area you get all of them.
#define	CC_NOFILTERBUTTONS (1<<20)
	This is useful when there are many curves and you want to manage the display yourself.
#define	CC_ALL_RCMENU (CC_RCMENU_MOVE_XY\|CC_RCMENU_MOVE_X\|CC_RCMENU_MOVE_Y\|CC_RCMENU_SCALE\|CC_RCMENU_INSERT_CORNER\|CC_RCMENU_INSERT_BEZIER\|CC_RCMENU_DELETE)
	Entire right click menu.
#define	CC_ALL (CC_DRAWBG\|CC_DRAWGRID\|CC_DRAWUTOOLBAR\|CC_SHOWRESET\|CC_DRAWLTOOLBAR\|CC_DRAWSCROLLBARS\|CC_AUTOSCROLL\|CC_DRAWRULER\|CC_ASPOPUP\|CC_CONSTRAIN_Y\|CC_HIDE_DISABLED_CURVES\| CC_ALL_RCMENU )
#define	CC_NONE 0
#define	CID_CC_MOVE_XY 0
#define	CID_CC_MOVE_X 1
#define	CID_CC_MOVE_Y 2
#define	CID_CC_SCALE 3
#define	CID_CC_INSERT_CORNER 4
#define	CID_CC_INSERT_BEZIER 5
#define	CURVE_EXTRAPOLATE_LINEAR 0
#define	CURVE_EXTRAPOLATE_CONSTANT 1
#define	CURVEP_BEZIER (1<<0)
#define	CURVEP_CORNER (1<<1)
#define	CURVEP_LOCKED_Y (1<<2)
#define	CURVEP_LOCKED_X (1<<3)
#define	CURVEP_SELECTED (1<<4)
#define	CURVEP_ENDPOINT (1<<8)
#define	CURVEP_NO_X_CONSTRAINT (1<<9)
#define	SELPTS_SELECT (1<<0)
#define	SELPTS_DESELECT (1<<1)
#define	SELPTS_CLEARPTS (1<<2)
#define	IS_CORNER(flags) ( ( (flags) & CURVEP_CORNER) && !((flags) & CURVEP_BEZIER) )
#define	IS_BEZIERSMOOTH(flags) ( ( (flags) & CURVEP_BEZIER) && !((flags) & CURVEP_CORNER) )
#define	IS_BEZIERCORNER(flags) ( (flags) & (CURVEP_BEZIER \| CURVEP_CORNER) )