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9b6dbb09 JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: dc.h | |
3 | // Purpose: wxDC class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
af0bb3b1 | 9 | // Licence: wxWindows licence |
9b6dbb09 JS |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
12 | #ifndef _WX_DC_H_ | |
13 | #define _WX_DC_H_ | |
14 | ||
15 | #ifdef __GNUG__ | |
83df96d6 | 16 | #pragma interface "dc.h" |
9b6dbb09 JS |
17 | #endif |
18 | ||
19 | #include "wx/pen.h" | |
20 | #include "wx/brush.h" | |
21 | #include "wx/icon.h" | |
22 | #include "wx/font.h" | |
23 | #include "wx/gdicmn.h" | |
24 | ||
25 | //----------------------------------------------------------------------------- | |
26 | // constants | |
27 | //----------------------------------------------------------------------------- | |
28 | ||
29 | #ifndef MM_TEXT | |
83df96d6 JS |
30 | #define MM_TEXT 0 |
31 | #define MM_ISOTROPIC 1 | |
32 | #define MM_ANISOTROPIC 2 | |
33 | #define MM_LOMETRIC 3 | |
34 | #define MM_HIMETRIC 4 | |
35 | #define MM_TWIPS 5 | |
36 | #define MM_POINTS 6 | |
37 | #define MM_METRIC 7 | |
9b6dbb09 JS |
38 | #endif |
39 | ||
9b6dbb09 JS |
40 | //----------------------------------------------------------------------------- |
41 | // wxDC | |
42 | //----------------------------------------------------------------------------- | |
43 | ||
af0bb3b1 | 44 | class WXDLLEXPORT wxDC : public wxDCBase |
9b6dbb09 | 45 | { |
af0bb3b1 | 46 | DECLARE_DYNAMIC_CLASS(wxDC) |
83df96d6 | 47 | |
af0bb3b1 VZ |
48 | public: |
49 | wxDC(); | |
50 | ~wxDC() { } | |
83df96d6 | 51 | |
af0bb3b1 VZ |
52 | // implement base class pure virtuals |
53 | // ---------------------------------- | |
83df96d6 | 54 | |
af0bb3b1 | 55 | virtual void DestroyClippingRegion(); |
83df96d6 | 56 | |
af0bb3b1 | 57 | virtual wxSize GetPPI() const; |
83df96d6 | 58 | |
af0bb3b1 VZ |
59 | virtual void SetMapMode(int mode); |
60 | virtual void SetUserScale(double x, double y); | |
af0bb3b1 | 61 | virtual void SetLogicalScale(double x, double y); |
7b65ea1a MB |
62 | virtual void SetLogicalOrigin(wxCoord x, wxCoord y); |
63 | virtual void SetDeviceOrigin(wxCoord x, wxCoord y); | |
af0bb3b1 | 64 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); |
83df96d6 | 65 | |
af0bb3b1 | 66 | protected: |
7b65ea1a MB |
67 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); |
68 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, | |
83df96d6 JS |
69 | bool useMask = FALSE); |
70 | ||
7b65ea1a | 71 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
83df96d6 | 72 | wxCoord width, wxCoord height); |
af0bb3b1 VZ |
73 | virtual void DoGetSize(int *width, int *height) const; |
74 | virtual void DoGetSizeMM(int* width, int* height) const; | |
83df96d6 | 75 | |
af0bb3b1 VZ |
76 | public: |
77 | void ComputeScaleAndOrigin(); | |
83df96d6 | 78 | |
7b65ea1a | 79 | wxCoord XDEV2LOG(wxCoord x) const |
9b6dbb09 | 80 | { |
7b65ea1a | 81 | wxCoord new_x = x - m_deviceOriginX; |
af0bb3b1 | 82 | if (new_x > 0) |
7b65ea1a | 83 | return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; |
af0bb3b1 | 84 | else |
7b65ea1a | 85 | return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; |
9b6dbb09 | 86 | } |
7b65ea1a | 87 | wxCoord XDEV2LOGREL(wxCoord x) const |
9b6dbb09 | 88 | { |
af0bb3b1 | 89 | if (x > 0) |
7b65ea1a | 90 | return (wxCoord)((double)(x) / m_scaleX + 0.5); |
af0bb3b1 | 91 | else |
7b65ea1a | 92 | return (wxCoord)((double)(x) / m_scaleX - 0.5); |
9b6dbb09 | 93 | } |
7b65ea1a | 94 | wxCoord YDEV2LOG(wxCoord y) const |
9b6dbb09 | 95 | { |
7b65ea1a | 96 | wxCoord new_y = y - m_deviceOriginY; |
af0bb3b1 | 97 | if (new_y > 0) |
7b65ea1a | 98 | return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; |
af0bb3b1 | 99 | else |
7b65ea1a | 100 | return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; |
9b6dbb09 | 101 | } |
7b65ea1a | 102 | wxCoord YDEV2LOGREL(wxCoord y) const |
9b6dbb09 | 103 | { |
af0bb3b1 | 104 | if (y > 0) |
7b65ea1a | 105 | return (wxCoord)((double)(y) / m_scaleY + 0.5); |
af0bb3b1 | 106 | else |
7b65ea1a | 107 | return (wxCoord)((double)(y) / m_scaleY - 0.5); |
9b6dbb09 | 108 | } |
7b65ea1a | 109 | wxCoord XLOG2DEV(wxCoord x) const |
9b6dbb09 | 110 | { |
7b65ea1a | 111 | wxCoord new_x = x - m_logicalOriginX; |
af0bb3b1 | 112 | if (new_x > 0) |
7b65ea1a | 113 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX; |
af0bb3b1 | 114 | else |
7b65ea1a | 115 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX; |
9b6dbb09 | 116 | } |
af0bb3b1 | 117 | // Without device translation, for backing pixmap purposes |
7b65ea1a | 118 | wxCoord XLOG2DEV_2(wxCoord x) const |
9b6dbb09 | 119 | { |
7b65ea1a | 120 | wxCoord new_x = x - m_logicalOriginX; |
af0bb3b1 | 121 | if (new_x > 0) |
7b65ea1a | 122 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX; |
af0bb3b1 | 123 | else |
7b65ea1a | 124 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX; |
9b6dbb09 | 125 | } |
7b65ea1a | 126 | wxCoord XLOG2DEVREL(wxCoord x) const |
9b6dbb09 | 127 | { |
af0bb3b1 | 128 | if (x > 0) |
7b65ea1a | 129 | return (wxCoord)((double)(x) * m_scaleX + 0.5); |
af0bb3b1 | 130 | else |
7b65ea1a | 131 | return (wxCoord)((double)(x) * m_scaleX - 0.5); |
9b6dbb09 | 132 | } |
7b65ea1a | 133 | wxCoord YLOG2DEV(wxCoord y) const |
9b6dbb09 | 134 | { |
7b65ea1a | 135 | wxCoord new_y = y - m_logicalOriginY; |
af0bb3b1 | 136 | if (new_y > 0) |
7b65ea1a | 137 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY; |
af0bb3b1 | 138 | else |
7b65ea1a | 139 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY; |
9b6dbb09 | 140 | } |
af0bb3b1 | 141 | // Without device translation, for backing pixmap purposes |
7b65ea1a | 142 | wxCoord YLOG2DEV_2(wxCoord y) const |
9b6dbb09 | 143 | { |
7b65ea1a | 144 | wxCoord new_y = y - m_logicalOriginY; |
af0bb3b1 | 145 | if (new_y > 0) |
7b65ea1a | 146 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY; |
af0bb3b1 | 147 | else |
7b65ea1a | 148 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY; |
9b6dbb09 | 149 | } |
7b65ea1a | 150 | wxCoord YLOG2DEVREL(wxCoord y) const |
9b6dbb09 | 151 | { |
af0bb3b1 | 152 | if (y > 0) |
7b65ea1a | 153 | return (wxCoord)((double)(y) * m_scaleY + 0.5); |
af0bb3b1 | 154 | else |
7b65ea1a | 155 | return (wxCoord)((double)(y) * m_scaleY - 0.5); |
9b6dbb09 | 156 | } |
83df96d6 | 157 | |
af0bb3b1 VZ |
158 | public: |
159 | // not sure what for, but what is a mm on a screen you don't know the size of? | |
160 | double m_mm_to_pix_x,m_mm_to_pix_y; | |
83df96d6 | 161 | |
af0bb3b1 VZ |
162 | // recompute scale? |
163 | bool m_needComputeScaleX, m_needComputeScaleY; | |
83df96d6 | 164 | |
9b6dbb09 JS |
165 | }; |
166 | ||
167 | #endif | |
83df96d6 | 168 | // _WX_DC_H_ |