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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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///////////////////////////////////////////////////////////////////////////////
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// //
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// plDetailCurveCtrl Class Header //
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// Custom Win32 Control class for drawing the detail map opacity curve so //
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// the artists can figure out what the hell is going on. //
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// Cyan, Inc. //
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// //
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// To use: //
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// 1. Create a new plDetailCurveCtrl, giving it a parent window and a //
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// client rect. //
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// 2. Set the start and end percentages, along with the start and end //
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// opacities. //
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// //
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//// Version History //////////////////////////////////////////////////////////
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// //
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// 10.1.2001 mcn - Created. //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _plDetailCurveCtrl_h
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#define _plDetailCurveCtrl_h
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#include "Max.h"
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#include "resource.h"
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#define GET_DETAIL_CURVE_CTRL( dlg, id ) (GetDlgItem( dlg, id ) ? (plDetailCurveCtrl *)GetWindowLong( GetDlgItem( dlg, id ), GWL_USERDATA ) : NULL )
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// Message to parent to let it know a point got dragged. lParam = pointer to control, wParam = 1 if start point, 0 if end point
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#define PL_DC_POINT_DRAGGED WM_USER + 50
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#define PL_DC_START_POINT 1
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#define PL_DC_END_POINT 0
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/// The following #define was for back when I had two graphs, one was with mipmap level
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/// as the X axis, the other was as it is now (distance). Uncomment this define to
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/// re-enable the two-graph mode (right-click switches)
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//#define MCN_TWO_GRAPH_MODE
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//// Class Definition /////////////////////////////////////////////////////////
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class plDetailCurveCtrl
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{
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protected:
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HWND fHWnd;
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HDC fDblDC;
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HBITMAP fDblBitmap;
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HBRUSH fWhiteBrush, fBlueBrush;
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HPEN fBluePen, fLiteBluePen;
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RECT fStartDragPt, fEndDragPt;
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bool fDraggingStart, fDraggingEnd;
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bool fCanDragStart, fCanDragEnd;
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int fNumLevels;
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float fStartPercent, fEndPercent;
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float fStartOpac, fEndOpac;
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void IInitDblBuffer( void );
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void IRefreshDblBuffer( void );
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void IDrawCurve( HDC hDC, bool clampToInts, int cornerX, int cornerY, SIZE *bgndSize );
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float IXlateDistToValue( float dist, bool clampToInts );
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float IXlateDistToX( float dist, bool clampToInts );
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float IXlateXToDist( float howFar );
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void IXlateValuesToClientPt( float x, float y, POINT *pt, int cornerX, int cornerY, SIZE *bgndSize );
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void IMapMouseToValues( int x, int y, bool mapToStart );
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void ISendDraggedMessage( bool itWasTheStartPoint );
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static HINSTANCE fInstance;
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static int fClassRefCnt;
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static HBITMAP fBgndImage;
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static HFONT fFont;
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#ifdef MCN_TWO_GRAPH_MODE
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static HBITMAP fBgndImage2;
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static bool fXAsMipmapLevel;
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#endif
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static void IRegisterCtrl( HINSTANCE instance );
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static void IUnregisterCtrl( void );
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static LRESULT CALLBACK IWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam );
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public:
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plDetailCurveCtrl( HWND parentWnd, WPARAM id, RECT *clientRect, HINSTANCE instance = NULL );
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~plDetailCurveCtrl();
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void SetStartPoint( float percentLevel, float opacity );
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void SetEndPoint( float percentLevel, float opacity );
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void SetNumLevels( int numLevels );
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void GetStartPoint( float &percent, float &opacity ) { percent = fStartPercent; opacity = fStartOpac; }
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void GetEndPoint( float &percent, float &opacity ) { percent = fEndPercent; opacity = fEndOpac; }
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};
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#endif // _plDetailCurveCtrl_h
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