projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 0e320a79 DW |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dc.h | |
| 3 | // Purpose: wxDC class | |
| 54da4255 | 4 | // Author: AUTHOR |
| 0e320a79 | 5 | // Modified by: |
| 54da4255 | 6 | // Created: ??/??/98 |
| 0e320a79 | 7 | // RCS-ID: $Id$ |
| 54da4255 DW |
8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence | |
| 0e320a79 DW |
10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | ||
| 12 | #ifndef _WX_DC_H_ | |
| 13 | #define _WX_DC_H_ | |
| 14 | ||
| 15 | #ifdef __GNUG__ | |
| 54da4255 | 16 | #pragma interface "dc.h" |
| 0e320a79 DW |
17 | #endif |
| 18 | ||
| c3d43472 | 19 | #include "wx/window.h" |
| 54da4255 DW |
20 | #include "wx/pen.h" |
| 21 | #include "wx/brush.h" | |
| 22 | #include "wx/icon.h" | |
| 23 | #include "wx/font.h" | |
| 24 | #include "wx/gdicmn.h" | |
| 25 | ||
| 26 | //----------------------------------------------------------------------------- | |
| 27 | // constants | |
| 28 | //----------------------------------------------------------------------------- | |
| 29 | ||
| 30 | #ifndef MM_TEXT | |
| 1408104d DW |
31 | #define MM_TEXT 0 |
| 32 | #define MM_ISOTROPIC 1 | |
| 33 | #define MM_ANISOTROPIC 2 | |
| 34 | #define MM_LOMETRIC 3 | |
| 35 | #define MM_HIMETRIC 4 | |
| 36 | #define MM_TWIPS 5 | |
| 37 | #define MM_POINTS 6 | |
| 38 | #define MM_METRIC 7 | |
| 54da4255 | 39 | #endif |
| 0e320a79 | 40 | |
| 54da4255 DW |
41 | //----------------------------------------------------------------------------- |
| 42 | // global variables | |
| 43 | //----------------------------------------------------------------------------- | |
| 0e320a79 | 44 | |
| 54da4255 | 45 | extern int wxPageNumber; |
| 0e320a79 | 46 | |
| 54da4255 DW |
47 | //----------------------------------------------------------------------------- |
| 48 | // wxDC | |
| 49 | //----------------------------------------------------------------------------- | |
| 0e320a79 | 50 | |
| 1408104d | 51 | class WXDLLEXPORT wxDC: public wxDCBase |
| 54da4255 DW |
52 | { |
| 53 | DECLARE_ABSTRACT_CLASS(wxDC) | |
| 0e320a79 | 54 | |
| 54da4255 | 55 | public: |
| 0e320a79 | 56 | |
| 54da4255 DW |
57 | wxDC(void); |
| 58 | ~wxDC(void); | |
| 0e320a79 | 59 | |
| 1408104d DW |
60 | virtual void BeginDrawing(void) { }; |
| 61 | virtual void EndDrawing(void) { }; | |
| 0e320a79 | 62 | |
| 1408104d DW |
63 | //----------------------------------------------------------------------------- |
| 64 | // Pure virtuals from wxDCBase that need defining | |
| 65 | //----------------------------------------------------------------------------- | |
| 66 | virtual bool CanDrawBitmap(void) const { return TRUE; }; | |
| 67 | virtual bool CanGetTextExtent(void) const { return TRUE; }; | |
| 68 | virtual int GetDepth(void) const; | |
| 69 | virtual wxSize GetPPI(void) const; | |
| 70 | virtual void GetTextExtent( const wxString& string | |
| 71 | ,long* width | |
| 72 | ,long* height | |
| 73 | ,long* descent = NULL | |
| 74 | ,long* externalLeading = NULL | |
| 75 | ,wxFont* theFont = NULL | |
| 76 | ) const; | |
| 77 | virtual long GetCharWidth(void) const; | |
| 78 | virtual long GetCharHeight(void) const; | |
| 79 | virtual void Clear(void); | |
| 80 | virtual void SetFont(const wxFont& font); | |
| 81 | virtual void SetPen(const wxPen& pen); | |
| 82 | virtual void SetBrush(const wxBrush& brush); | |
| 83 | virtual void SetBackground(const wxBrush& brush); | |
| 84 | virtual void SetLogicalFunction(int function); | |
| 85 | virtual void SetBackgroundMode(int mode); | |
| 86 | virtual void SetPalette(const wxPalette& palette); | |
| 87 | virtual void SetMapMode(int mode); | |
| 88 | virtual void DestroyClippingRegion(void); | |
| 89 | virtual void SetUserScale(double x, double y); | |
| 90 | virtual void SetLogicalOrigin(long x, long y); | |
| 91 | virtual void SetDeviceOrigin(long x, long y); | |
| 92 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); | |
| 93 | ||
| 94 | virtual void DoFloodFill( long x | |
| 95 | ,long y | |
| 96 | ,const wxColour& col | |
| 97 | ,int style = wxFLOOD_SURFACE | |
| 98 | ); | |
| 99 | virtual bool DoGetPixel(long x, long y, wxColour *col) const; | |
| 100 | virtual void DoDrawPoint(long x, long y); | |
| 101 | virtual void DoDrawLine(long x1, long y1, long x2, long y2); | |
| 102 | virtual void DoDrawArc(long x1, long y1, | |
| 103 | long x2, long y2, | |
| 104 | long xc, long yc | |
| 105 | ); | |
| 106 | virtual void DoDrawEllipticArc( long x, long y | |
| 107 | ,long w, long h | |
| 108 | ,double sa, double ea | |
| 109 | ); | |
| 110 | virtual void DoDrawRectangle(long x, long y, long width, long height); | |
| 111 | virtual void DoDrawRoundedRectangle( long x, long y | |
| 112 | ,long width, long height | |
| 113 | ,double radius | |
| 114 | ); | |
| 115 | virtual void DoDrawEllipse(long x, long y, long width, long height); | |
| 116 | virtual void DoCrossHair(long x, long y); | |
| 117 | virtual void DoDrawIcon(const wxIcon& icon, long x, long y); | |
| 118 | virtual void DoDrawBitmap( const wxBitmap &bmp | |
| 119 | ,long x, long y | |
| 120 | ,bool useMask = FALSE | |
| 121 | ); | |
| 122 | virtual void DoDrawText(const wxString& text, long x, long y); | |
| 123 | virtual bool DoBlit( long xdest, long ydest | |
| 124 | ,long width, long height | |
| 125 | ,wxDC *source | |
| 126 | ,long xsrc, long ysrc | |
| 127 | ,int rop = wxCOPY, bool useMask = FALSE | |
| 128 | ); | |
| 129 | virtual void DoGetSize(int *width, int *height) const; | |
| 130 | virtual void DoGetSizeMM(int* width, int* height) const; | |
| 131 | virtual void DoDrawLines( int n, wxPoint points[] | |
| 132 | ,long xoffset, long yoffset | |
| 133 | ); | |
| 134 | virtual void DoDrawPolygon( int n, wxPoint points[] | |
| 135 | ,long xoffset, long yoffset | |
| 136 | ,int fillStyle = wxODDEVEN_RULE | |
| 137 | ); | |
| 138 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); | |
| 139 | virtual void DoSetClippingRegion( long x, long y | |
| 140 | ,long width, long height | |
| 141 | ); | |
| 142 | #if wxUSE_SPLINES | |
| 143 | virtual void DoDrawSpline(wxList *points); | |
| 144 | #endif | |
| 54da4255 | 145 | |
| 1408104d DW |
146 | //----------------------------------------------------------------------------- |
| 147 | // Other virtuals from wxDCBase that are overridden here | |
| 148 | //----------------------------------------------------------------------------- | |
| 54da4255 | 149 | |
| 54da4255 | 150 | virtual void SetLogicalScale( double x, double y ); |
| 1408104d DW |
151 | |
| 152 | //----------------------------------------------------------------------------- | |
| 153 | // Our own new stuff | |
| 154 | //----------------------------------------------------------------------------- | |
| 54da4255 DW |
155 | virtual void SetInternalDeviceOrigin( long x, long y ); |
| 156 | virtual void GetInternalDeviceOrigin( long *x, long *y ); | |
| 157 | ||
| 1408104d | 158 | private: |
| 54da4255 | 159 | |
| 1408104d DW |
160 | #if WXWIN_COMPATIBILITY |
| 161 | // function hiding warning supression | |
| 162 | virtual void GetTextExtent( const wxString& string | |
| 163 | ,long* width | |
| 164 | ,long* height | |
| 165 | ,long* descent = NULL | |
| 166 | ,long* externalLeading = NULL | |
| 167 | ,wxFont* theFont = NULL | |
| 168 | ,bool use16 = FALSE | |
| 169 | ) const | |
| 170 | { wxDCBase::GetTextExtent(string, width, height, descent, externalLeading, theFont, use16); }; | |
| 171 | #endif | |
| 54da4255 | 172 | |
| 1408104d DW |
173 | protected: |
| 174 | ||
| 175 | // ------------------------------------------------------------------------ | |
| 176 | // Some additional data we need | |
| 177 | // ------------------------------------------------------------------------ | |
| 178 | ||
| 179 | // Owner canvas and selected in bitmap (if bitmap is GDI object selected) | |
| 180 | wxWindow* m_owner; | |
| 181 | wxBitmap* m_bitmap; | |
| 182 | ||
| 183 | // our HDC and its usage count: we only free it when the usage count drops | |
| 184 | // to 0 | |
| 185 | WXHDC m_hDC; | |
| 186 | int m_hDCCount; | |
| 187 | ||
| 188 | // Store all old GDI objects when do a SelectObject, so we can select them | |
| 189 | // back in (this unselecting user's objects) so we can safely delete the | |
| 190 | // DC. | |
| 191 | WXHBITMAP m_oldBitmap; | |
| 192 | WXHPEN m_oldPen; | |
| 193 | WXHBRUSH m_oldBrush; | |
| 194 | WXHFONT m_oldFont; | |
| 195 | WXHPALETTE m_oldPalette; | |
| 0e320a79 DW |
196 | }; |
| 197 | ||
| 198 | #endif | |
| 199 | // _WX_DC_H_ |