xref: /trunk/main/extensions/source/scanner/grid.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 #ifndef _EXTENSIONS_SCANNER_GRID_HXX
28 #define _EXTENSIONS_SCANNER_GRID_HXX
29 
30 #include <vcl/window.hxx>
31 #ifndef _SV_BUTTON_HXX
32 #include <vcl/button.hxx>
33 #endif
34 #include <vcl/lstbox.hxx>
35 #include <vcl/dialog.hxx>
36 
37 class GridWindow : public ModalDialog
38 {
39     // helper class for handles
40     struct impHandle
41     {
42         Point           maPos;
43         sal_uInt16      mnOffX;
44         sal_uInt16      mnOffY;
45 
46         impHandle(const Point& rPos, sal_uInt16 nX, sal_uInt16 nY)
47         :   maPos(rPos), mnOffX(nX), mnOffY(nY)
48         {
49         }
50 
51         bool operator<(const impHandle& rComp) const
52         {
53             return (maPos.X() < rComp.maPos.X());
54         }
55 
56         void draw(Window& rWin, const BitmapEx& rBitmapEx)
57         {
58             const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY)));
59             rWin.DrawBitmapEx(maPos - aOffset, rBitmapEx);
60         }
61 
62         bool isHit(Window& rWin, const Point& rPos)
63         {
64             const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY)));
65             const Rectangle aTarget(maPos - aOffset, maPos + aOffset);
66             return aTarget.IsInside(rPos);
67         }
68     };
69 
70     Rectangle       m_aGridArea;
71 
72     double          m_fMinX;
73     double          m_fMinY;
74     double          m_fMaxX;
75     double          m_fMaxY;
76 
77     double          m_fChunkX;
78     double          m_fMinChunkX;
79     double          m_fChunkY;
80     double          m_fMinChunkY;
81 
82     double*         m_pXValues;
83     double*         m_pOrigYValues;
84     int             m_nValues;
85     double*         m_pNewYValues;
86 
87     sal_uInt16      m_BmOffX;
88     sal_uInt16      m_BmOffY;
89 
90     sal_Bool            m_bCutValues;
91 
92     // stuff for handles
93     std::vector< impHandle >    m_aHandles;
94     sal_uInt32                  m_nDragIndex;
95 
96     BitmapEx        m_aMarkerBitmap;
97 
98     OKButton        m_aOKButton;
99     CancelButton    m_aCancelButton;
100 
101     ListBox         m_aResetTypeBox;
102     PushButton      m_aResetButton;
103 
104 
105     Point transform( double x, double y );
106     void transform( const Point& rOriginal, double& x, double& y );
107 
108     double findMinX();
109     double findMinY();
110     double findMaxX();
111     double findMaxY();
112 
113     void drawGrid();
114     void drawOriginal();
115     void drawNew();
116     void drawHandles();
117 
118     void computeExtremes();
119     void computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut );
120     void computeNew();
121     double interpolate( double x, double* pNodeX, double* pNodeY, int nNodes );
122 
123     DECL_LINK( ClickButtonHdl, Button* );
124 
125     virtual void MouseMove( const MouseEvent& );
126     virtual void MouseButtonDown( const MouseEvent& );
127     virtual void MouseButtonUp( const MouseEvent& );
128 public:
129     GridWindow( double* pXValues, double* pYValues, int nValues,
130                 Window* pParent, sal_Bool bCutValues = sal_True );
131     ~GridWindow();
132 
133     void setBoundings( double fMinX, double fMinY, double fMaxX, double fMaxY );
134     double getMinX() { return m_fMinX; }
135     double getMinY() { return m_fMinY; }
136     double getMaxX() { return m_fMaxX; }
137     double getMaxY() { return m_fMaxY; }
138 
139     int countValues() { return m_nValues; }
140     double* getXValues() { return m_pXValues; }
141     double* getOrigYValues() { return m_pOrigYValues; }
142     double* getNewYValues() { return m_pNewYValues; }
143 
144     void drawLine( double x1, double y1, double x2, double y2 );
145 
146     virtual void Paint( const Rectangle& rRect );
147 };
148 
149 #endif // _EXTENSIONS_SCANNER_GRID_HXX
150