projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 0e320a79 DW |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dc.h | |
| 3 | // Purpose: wxDC class | |
| f0a56ab0 | 4 | // Author: David Webster |
| 0e320a79 | 5 | // Modified by: |
| f0a56ab0 | 6 | // Created: 08/26/99 |
| 0e320a79 | 7 | // RCS-ID: $Id$ |
| f0a56ab0 DW |
8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence | |
| 0e320a79 DW |
10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | ||
| 12 | #ifndef _WX_DC_H_ | |
| 13 | #define _WX_DC_H_ | |
| 14 | ||
| fb46a9a6 DW |
15 | #include "wx/defs.h" |
| 16 | #include "wx/dc.h" | |
| 0e320a79 | 17 | |
| fb46a9a6 DW |
18 | // --------------------------------------------------------------------------- |
| 19 | // macros | |
| 20 | // --------------------------------------------------------------------------- | |
| 21 | ||
| 22 | // Logical to device | |
| 23 | // Absolute | |
| 24 | #define XLOG2DEV(x) (x) | |
| 25 | #define YLOG2DEV(y) (y) | |
| 26 | ||
| 27 | // Relative | |
| 28 | #define XLOG2DEVREL(x) (x) | |
| 29 | #define YLOG2DEVREL(y) (y) | |
| 30 | ||
| 31 | // Device to logical | |
| 32 | // Absolute | |
| 33 | #define XDEV2LOG(x) (x) | |
| 34 | ||
| 35 | #define YDEV2LOG(y) (y) | |
| 36 | ||
| 37 | // Relative | |
| 38 | #define XDEV2LOGREL(x) (x) | |
| 39 | #define YDEV2LOGREL(y) (y) | |
| 40 | ||
| 41 | /* | |
| 42 | * Have the same macros as for XView but not for every operation: | |
| 43 | * just for calculating window/viewport extent (a better way of scaling). | |
| 44 | */ | |
| 45 | ||
| 46 | // Logical to device | |
| 47 | // Absolute | |
| 48 | #define MS_XLOG2DEV(x) LogicalToDevice(x) | |
| 49 | ||
| 50 | #define MS_YLOG2DEV(y) LogicalToDevice(y) | |
| 51 | ||
| 52 | // Relative | |
| 53 | #define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x) | |
| 54 | #define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y) | |
| 55 | ||
| 56 | // Device to logical | |
| 57 | // Absolute | |
| 58 | #define MS_XDEV2LOG(x) DeviceToLogicalX(x) | |
| 59 | ||
| 60 | #define MS_YDEV2LOG(y) DeviceToLogicalY(y) | |
| 0e320a79 | 61 | |
| fb46a9a6 DW |
62 | // Relative |
| 63 | #define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x) | |
| 64 | #define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y) | |
| 0e320a79 | 65 | |
| fb46a9a6 | 66 | #define YSCALE(y) (yorigin - (y)) |
| 0e320a79 | 67 | |
| fb46a9a6 | 68 | #define wx_round(a) (int)((a)+.5) |
| 0e320a79 | 69 | |
| fb46a9a6 | 70 | class WXDLLEXPORT wxDC : public wxDCBase |
| 54da4255 | 71 | { |
| fb46a9a6 | 72 | DECLARE_DYNAMIC_CLASS(wxDC) |
| 54da4255 | 73 | |
| fb46a9a6 DW |
74 | public: |
| 75 | wxDC(); | |
| 76 | ~wxDC(); | |
| 77 | ||
| 78 | // implement base class pure virtuals | |
| 79 | // ---------------------------------- | |
| 80 | ||
| f6bcfd97 BP |
81 | virtual void Clear(void); |
| 82 | ||
| 83 | virtual bool StartDoc(const wxString& rsMessage); | |
| 84 | virtual void EndDoc(void); | |
| 85 | ||
| 86 | virtual void StartPage(void); | |
| 87 | virtual void EndPage(void); | |
| 88 | ||
| 89 | virtual void SetFont(const wxFont& rFont); | |
| 90 | virtual void SetPen(const wxPen& rPen); | |
| 91 | virtual void SetBrush(const wxBrush& rBrush); | |
| 92 | virtual void SetBackground(const wxBrush& rBrush); | |
| 93 | virtual void SetBackgroundMode(int nMode); | |
| 94 | virtual void SetPalette(const wxPalette& rPalette); | |
| 95 | ||
| 96 | virtual void DestroyClippingRegion(void); | |
| 97 | ||
| 98 | virtual wxCoord GetCharHeight(void) const; | |
| 99 | virtual wxCoord GetCharWidth(void) const; | |
| 100 | virtual void DoGetTextExtent( const wxString& rsString | |
| 101 | ,wxCoord* pX | |
| 102 | ,wxCoord* pY | |
| 103 | ,wxCoord* pDescent = NULL | |
| 104 | ,wxCoord* pExternalLeading = NULL | |
| 105 | ,wxFont* pTheFont = NULL | |
| 106 | ) const; | |
| 107 | virtual bool CanDrawBitmap(void) const; | |
| 108 | virtual bool CanGetTextExtent(void) const; | |
| 109 | virtual int GetDepth(void) const; | |
| 110 | virtual wxSize GetPPI(void) const; | |
| 111 | ||
| 112 | virtual void SetMapMode(int nMode); | |
| 113 | virtual void SetUserScale( double dX | |
| 114 | ,double dY | |
| 115 | ); | |
| 116 | virtual void SetSystemScale( double dX | |
| 117 | ,double dY | |
| 118 | ); | |
| 119 | virtual void SetLogicalScale( double dX | |
| 120 | ,double dY | |
| 121 | ); | |
| 122 | virtual void SetLogicalOrigin( wxCoord vX | |
| 123 | ,wxCoord vY | |
| 124 | ); | |
| 125 | virtual void SetDeviceOrigin( wxCoord vX | |
| 126 | ,wxCoord vY | |
| 127 | ); | |
| 128 | virtual void SetAxisOrientation( bool bXLeftRight | |
| 129 | ,bool bYBottomUp | |
| 130 | ); | |
| 131 | virtual void SetLogicalFunction(int nFunction); | |
| 1408104d | 132 | |
| fb46a9a6 DW |
133 | // implementation from now on |
| 134 | // -------------------------- | |
| 54da4255 | 135 | |
| f6bcfd97 BP |
136 | virtual void SetRop(WXHDC hCdc); |
| 137 | virtual void SelectOldObjects(WXHDC hDc); | |
| ce44c50e | 138 | |
| f6bcfd97 BP |
139 | wxWindow* GetWindow(void) const { return m_pCanvas; } |
| 140 | void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; } | |
| ce44c50e | 141 | |
| f6bcfd97 BP |
142 | WXHDC GetHDC(void) const { return m_hDC; } |
| 143 | void SetHDC( WXHDC hDc | |
| 144 | ,bool bOwnsDC = FALSE | |
| 145 | ) | |
| ce44c50e | 146 | { |
| f6bcfd97 | 147 | m_hDC = hDc; |
| ce44c50e DW |
148 | m_bOwnsDC = bOwnsDC; |
| 149 | } | |
| 150 | ||
| f6bcfd97 BP |
151 | const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; } |
| 152 | wxBitmap& GetSelectedBitmap(void) { return m_vSelectedBitmap; } | |
| 153 | ||
| 1408104d | 154 | protected: |
| f6bcfd97 BP |
155 | virtual void DoFloodFill( wxCoord vX |
| 156 | ,wxCoord vY | |
| 157 | ,const wxColour& rCol | |
| 158 | ,int nStyle = wxFLOOD_SURFACE | |
| 159 | ); | |
| 160 | ||
| 161 | virtual bool DoGetPixel( wxCoord vX | |
| 162 | ,wxCoord vY | |
| 163 | ,wxColour* pCol | |
| 164 | ) const; | |
| 165 | ||
| 166 | virtual void DoDrawPoint( wxCoord vX | |
| 167 | ,wxCoord vY | |
| 168 | ); | |
| 169 | virtual void DoDrawLine( wxCoord vX1 | |
| 170 | ,wxCoord vY1 | |
| 171 | ,wxCoord vX2 | |
| 172 | ,wxCoord vY2 | |
| 173 | ); | |
| 174 | ||
| 175 | virtual void DoDrawArc( wxCoord vX1 | |
| 176 | ,wxCoord vY1 | |
| 177 | ,wxCoord vX2 | |
| 178 | ,wxCoord vY2 | |
| 179 | ,wxCoord vXc | |
| 180 | ,wxCoord vYc | |
| 181 | ); | |
| 182 | virtual void DoDrawCheckMark( wxCoord vX | |
| 183 | ,wxCoord vY | |
| 184 | ,wxCoord vWidth | |
| 185 | ,wxCoord vHeight | |
| 186 | ); | |
| 187 | virtual void DoDrawEllipticArc( wxCoord vX | |
| 188 | ,wxCoord vY | |
| 189 | ,wxCoord vW | |
| 190 | ,wxCoord vH | |
| 191 | ,double dSa | |
| 192 | ,double dEa | |
| 193 | ); | |
| 194 | ||
| 195 | virtual void DoDrawRectangle( wxCoord vX | |
| 196 | ,wxCoord vY | |
| 197 | ,wxCoord vWidth | |
| 198 | ,wxCoord vHeight | |
| 199 | ); | |
| 200 | virtual void DoDrawRoundedRectangle( wxCoord vX | |
| 201 | ,wxCoord vY | |
| 202 | ,wxCoord vWidth | |
| 203 | ,wxCoord vHeight | |
| 204 | ,double dRadius | |
| 205 | ); | |
| 206 | virtual void DoDrawEllipse( wxCoord vX | |
| 207 | ,wxCoord vY | |
| 208 | ,wxCoord vWidth | |
| 209 | ,wxCoord vHeight | |
| 210 | ); | |
| 211 | ||
| 212 | virtual void DoCrossHair( wxCoord vX | |
| 213 | ,wxCoord vY | |
| 214 | ); | |
| 215 | ||
| 216 | virtual void DoDrawIcon( const wxIcon& rIcon | |
| 217 | ,wxCoord vX | |
| 218 | ,wxCoord vY | |
| 219 | ); | |
| 220 | virtual void DoDrawBitmap( const wxBitmap& rBmp | |
| 221 | ,wxCoord vX | |
| 222 | ,wxCoord vY | |
| 223 | ,bool bUseMask = FALSE | |
| 224 | ); | |
| 225 | ||
| 226 | virtual void DoDrawText( const wxString& rsText | |
| 227 | ,wxCoord vX | |
| 228 | ,wxCoord vY | |
| 229 | ); | |
| 230 | virtual void DoDrawRotatedText( const wxString& rsText | |
| 231 | ,wxCoord vX | |
| 232 | ,wxCoord vY | |
| 233 | ,double dAngle | |
| 234 | ); | |
| 235 | ||
| 236 | virtual bool DoBlit( wxCoord vXdest | |
| 237 | ,wxCoord vYdest | |
| 238 | ,wxCoord vWidth | |
| 239 | ,wxCoord vHeight | |
| 240 | ,wxDC* pSource | |
| 241 | ,wxCoord vXsrc | |
| 242 | ,wxCoord vYsrc | |
| 243 | ,int nRop = wxCOPY | |
| 244 | ,bool bUseMask = FALSE | |
| 245 | ); | |
| 246 | ||
| 247 | virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion); | |
| 248 | virtual void DoSetClippingRegion( wxCoord vX | |
| 249 | ,wxCoord vY | |
| 250 | ,wxCoord vWidth | |
| 251 | ,wxCoord vHeight | |
| 252 | ); | |
| 253 | virtual void DoGetClippingRegion( wxCoord* pX | |
| 254 | ,wxCoord* pY | |
| 255 | ,wxCoord* pWidth | |
| 256 | ,wxCoord* pHeight) | |
| fb46a9a6 | 257 | { |
| f6bcfd97 BP |
258 | GetClippingBox( pX |
| 259 | ,pY | |
| 260 | ,pWidth | |
| 261 | ,pHeight | |
| 262 | ); | |
| fb46a9a6 | 263 | } |
| 1408104d | 264 | |
| f6bcfd97 BP |
265 | virtual void DoGetSize( int* pWidth |
| 266 | ,int* pHeight | |
| 267 | ) const; | |
| 268 | virtual void DoGetSizeMM( int* pWidth | |
| 269 | ,int* pHeight | |
| 270 | ) const; | |
| 271 | ||
| 272 | virtual void DoDrawLines( int n | |
| 273 | ,wxPoint vaPoints[] | |
| 274 | ,wxCoord vXoffset | |
| 275 | ,wxCoord yYoffset | |
| 276 | ); | |
| 277 | virtual void DoDrawPolygon( int n | |
| 278 | ,wxPoint vaPoints[] | |
| 279 | ,wxCoord vXoffset | |
| 280 | ,wxCoord vYoffset | |
| 281 | ,int nFillStyle = wxODDEVEN_RULE | |
| 282 | ); | |
| fb46a9a6 DW |
283 | |
| 284 | #if wxUSE_SPLINES | |
| f6bcfd97 | 285 | virtual void DoDrawSpline(wxList* pPoints); |
| fb46a9a6 DW |
286 | #endif // wxUSE_SPLINES |
| 287 | ||
| f6bcfd97 BP |
288 | // |
| 289 | // common part of DoDrawText() and DoDrawRotatedText() | |
| 290 | // | |
| 291 | void DrawAnyText( const wxString& rsText | |
| 292 | ,wxCoord vX | |
| 293 | ,wxCoord vY | |
| 294 | ); | |
| fb46a9a6 | 295 | |
| f6bcfd97 BP |
296 | // OS2-specific member variables ?? do we even need this under OS/2? |
| 297 | int m_nWindowExtX; | |
| 298 | int m_nWindowExtY; | |
| 1408104d | 299 | |
| f6bcfd97 BP |
300 | // |
| 301 | // the window associated with this DC (may be NULL) | |
| 302 | // | |
| 303 | wxWindow* m_pCanvas; | |
| 304 | wxBitmap m_vSelectedBitmap; | |
| 1408104d | 305 | |
| f6bcfd97 | 306 | // |
| fb46a9a6 | 307 | // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it |
| f6bcfd97 BP |
308 | // |
| 309 | bool m_bOwnsDC:1; | |
| fb46a9a6 | 310 | |
| f6bcfd97 | 311 | // |
| 1408104d DW |
312 | // our HDC and its usage count: we only free it when the usage count drops |
| 313 | // to 0 | |
| f6bcfd97 BP |
314 | // |
| 315 | WXHDC m_hDC; | |
| 316 | int m_nDCCount; | |
| 1408104d | 317 | |
| f6bcfd97 | 318 | // |
| 1408104d DW |
319 | // Store all old GDI objects when do a SelectObject, so we can select them |
| 320 | // back in (this unselecting user's objects) so we can safely delete the | |
| 321 | // DC. | |
| f6bcfd97 BP |
322 | // |
| 323 | WXHBITMAP m_hOldBitmap; | |
| 324 | WXHPEN m_hOldPen; | |
| 325 | WXHBRUSH m_hOldBrush; | |
| 326 | WXHFONT m_hOldFont; | |
| 327 | WXHPALETTE m_hOldPalette; | |
| 0e320a79 | 328 | }; |
| 0e320a79 DW |
329 | #endif |
| 330 | // _WX_DC_H_ |