| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: dc.h |
| | 3 | // Purpose: wxDC class |
| | 4 | // Author: Stefan Csomor |
| | 5 | // Modified by: |
| | 6 | // Created: 1998-01-01 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) Stefan Csomor |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_DC_H_ |
| | 13 | #define _WX_DC_H_ |
| | 14 | |
| | 15 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| | 16 | #pragma interface "dc.h" |
| | 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 |
| | 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 |
| | 38 | #endif |
| | 39 | |
| | 40 | //----------------------------------------------------------------------------- |
| | 41 | // global variables |
| | 42 | //----------------------------------------------------------------------------- |
| | 43 | |
| | 44 | extern int wxPageNumber; |
| | 45 | |
| | 46 | class wxMacPortStateHelper ; |
| | 47 | //----------------------------------------------------------------------------- |
| | 48 | // wxDC |
| | 49 | //----------------------------------------------------------------------------- |
| | 50 | |
| | 51 | class WXDLLEXPORT wxDC: public wxDCBase |
| | 52 | { |
| | 53 | DECLARE_DYNAMIC_CLASS(wxDC) |
| | 54 | DECLARE_NO_COPY_CLASS(wxDC) |
| | 55 | |
| | 56 | public: |
| | 57 | |
| | 58 | wxDC(); |
| | 59 | ~wxDC(); |
| | 60 | |
| | 61 | |
| | 62 | // implement base class pure virtuals |
| | 63 | // ---------------------------------- |
| | 64 | |
| | 65 | virtual void Clear(); |
| | 66 | |
| | 67 | virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; } |
| | 68 | virtual void EndDoc(void) {}; |
| | 69 | |
| | 70 | virtual void StartPage(void) {}; |
| | 71 | virtual void EndPage(void) {}; |
| | 72 | |
| | 73 | virtual void SetFont(const wxFont& font); |
| | 74 | virtual void SetPen(const wxPen& pen); |
| | 75 | virtual void SetBrush(const wxBrush& brush); |
| | 76 | virtual void SetBackground(const wxBrush& brush); |
| | 77 | virtual void SetBackgroundMode(int mode); |
| | 78 | virtual void SetPalette(const wxPalette& palette); |
| | 79 | |
| | 80 | virtual void DestroyClippingRegion(); |
| | 81 | |
| | 82 | virtual wxCoord GetCharHeight() const; |
| | 83 | virtual wxCoord GetCharWidth() const; |
| | 84 | virtual void DoGetTextExtent(const wxString& string, |
| | 85 | wxCoord *x, wxCoord *y, |
| | 86 | wxCoord *descent = NULL, |
| | 87 | wxCoord *externalLeading = NULL, |
| | 88 | wxFont *theFont = NULL) const; |
| | 89 | virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; |
| | 90 | |
| | 91 | virtual bool CanDrawBitmap() const; |
| | 92 | virtual bool CanGetTextExtent() const; |
| | 93 | virtual int GetDepth() const; |
| | 94 | virtual wxSize GetPPI() const; |
| | 95 | |
| | 96 | virtual void SetMapMode(int mode); |
| | 97 | virtual void SetUserScale(double x, double y); |
| | 98 | |
| | 99 | virtual void SetLogicalScale(double x, double y); |
| | 100 | virtual void SetLogicalOrigin(wxCoord x, wxCoord y); |
| | 101 | virtual void SetDeviceOrigin(wxCoord x, wxCoord y); |
| | 102 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); |
| | 103 | virtual void SetLogicalFunction(int function); |
| | 104 | |
| | 105 | virtual void SetTextForeground(const wxColour& colour) ; |
| | 106 | virtual void SetTextBackground(const wxColour& colour) ; |
| | 107 | |
| | 108 | virtual void ComputeScaleAndOrigin(); |
| | 109 | |
| | 110 | public: |
| | 111 | |
| | 112 | wxCoord XDEV2LOG(wxCoord x) const |
| | 113 | { |
| | 114 | long new_x = x - m_deviceOriginX ; |
| | 115 | if (new_x > 0) |
| | 116 | return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; |
| | 117 | else |
| | 118 | return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; |
| | 119 | } |
| | 120 | wxCoord XDEV2LOGREL(wxCoord x) const |
| | 121 | { |
| | 122 | if (x > 0) |
| | 123 | return (wxCoord)((double)(x) / m_scaleX + 0.5); |
| | 124 | else |
| | 125 | return (wxCoord)((double)(x) / m_scaleX - 0.5); |
| | 126 | } |
| | 127 | wxCoord YDEV2LOG(wxCoord y) const |
| | 128 | { |
| | 129 | long new_y = y - m_deviceOriginY ; |
| | 130 | if (new_y > 0) |
| | 131 | return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; |
| | 132 | else |
| | 133 | return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; |
| | 134 | } |
| | 135 | wxCoord YDEV2LOGREL(wxCoord y) const |
| | 136 | { |
| | 137 | if (y > 0) |
| | 138 | return (wxCoord)((double)(y) / m_scaleY + 0.5); |
| | 139 | else |
| | 140 | return (wxCoord)((double)(y) / m_scaleY - 0.5); |
| | 141 | } |
| | 142 | wxCoord XLOG2DEV(wxCoord x) const |
| | 143 | { |
| | 144 | long new_x = x - m_logicalOriginX; |
| | 145 | if (new_x > 0) |
| | 146 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX ; |
| | 147 | else |
| | 148 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX ; |
| | 149 | } |
| | 150 | wxCoord XLOG2DEVREL(wxCoord x) const |
| | 151 | { |
| | 152 | if (x > 0) |
| | 153 | return (wxCoord)((double)(x) * m_scaleX + 0.5); |
| | 154 | else |
| | 155 | return (wxCoord)((double)(x) * m_scaleX - 0.5); |
| | 156 | } |
| | 157 | wxCoord YLOG2DEV(wxCoord y) const |
| | 158 | { |
| | 159 | long new_y = y - m_logicalOriginY ; |
| | 160 | if (new_y > 0) |
| | 161 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY ; |
| | 162 | else |
| | 163 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY ; |
| | 164 | } |
| | 165 | wxCoord YLOG2DEVREL(wxCoord y) const |
| | 166 | { |
| | 167 | if (y > 0) |
| | 168 | return (wxCoord)((double)(y) * m_scaleY + 0.5); |
| | 169 | else |
| | 170 | return (wxCoord)((double)(y) * m_scaleY - 0.5); |
| | 171 | } |
| | 172 | wxCoord XLOG2DEVMAC(wxCoord x) const |
| | 173 | { |
| | 174 | long new_x = x - m_logicalOriginX; |
| | 175 | if (new_x > 0) |
| | 176 | return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; |
| | 177 | else |
| | 178 | return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ; |
| | 179 | } |
| | 180 | wxCoord YLOG2DEVMAC(wxCoord y) const |
| | 181 | { |
| | 182 | long new_y = y - m_logicalOriginY ; |
| | 183 | if (new_y > 0) |
| | 184 | return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; |
| | 185 | else |
| | 186 | return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ; |
| | 187 | } |
| | 188 | |
| | 189 | WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn ; } |
| | 190 | static void MacSetupBackgroundForCurrentPort(const wxBrush& background ) ; |
| | 191 | // |
| | 192 | |
| | 193 | protected: |
| | 194 | virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, |
| | 195 | int style = wxFLOOD_SURFACE); |
| | 196 | |
| | 197 | virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; |
| | 198 | |
| | 199 | virtual void DoDrawPoint(wxCoord x, wxCoord y); |
| | 200 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); |
| | 201 | |
| | 202 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, |
| | 203 | wxCoord x2, wxCoord y2, |
| | 204 | wxCoord xc, wxCoord yc); |
| | 205 | |
| | 206 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| | 207 | double sa, double ea); |
| | 208 | |
| | 209 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| | 210 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, |
| | 211 | wxCoord width, wxCoord height, |
| | 212 | double radius); |
| | 213 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| | 214 | |
| | 215 | virtual void DoCrossHair(wxCoord x, wxCoord y); |
| | 216 | |
| | 217 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); |
| | 218 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, |
| | 219 | bool useMask = false); |
| | 220 | |
| | 221 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); |
| | 222 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, |
| | 223 | double angle); |
| | 224 | |
| | 225 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| | 226 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| | 227 | int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); |
| | 228 | |
| | 229 | // this is gnarly - we can't even call this function DoSetClippingRegion() |
| | 230 | // because of virtual function hiding |
| | 231 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); |
| | 232 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
| | 233 | wxCoord width, wxCoord height); |
| | 234 | |
| | 235 | virtual void DoGetSizeMM(int* width, int* height) const; |
| | 236 | |
| | 237 | virtual void DoDrawLines(int n, wxPoint points[], |
| | 238 | wxCoord xoffset, wxCoord yoffset); |
| | 239 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| | 240 | wxCoord xoffset, wxCoord yoffset, |
| | 241 | int fillStyle = wxODDEVEN_RULE); |
| | 242 | |
| | 243 | protected: |
| | 244 | //begin wxmac |
| | 245 | // Variables used for scaling |
| | 246 | double m_mm_to_pix_x,m_mm_to_pix_y; |
| | 247 | // not yet used |
| | 248 | bool m_needComputeScaleX,m_needComputeScaleY; |
| | 249 | // If un-scrolled is non-zero or d.o. changes with scrolling. |
| | 250 | // Set using SetInternalDeviceOrigin(). |
| | 251 | long m_internalDeviceOriginX,m_internalDeviceOriginY; |
| | 252 | // To be set by external classes such as wxScrolledWindow |
| | 253 | // using SetDeviceOrigin() |
| | 254 | long m_externalDeviceOriginX,m_externalDeviceOriginY; |
| | 255 | |
| | 256 | // Begin implementation for Mac |
| | 257 | public: |
| | 258 | |
| | 259 | WXHDC m_macPort ; |
| | 260 | WXHBITMAP m_macMask ; |
| | 261 | |
| | 262 | // in order to preserve the const inheritance of the virtual functions, we have to |
| | 263 | // use mutable variables starting from CWPro 5 |
| | 264 | |
| | 265 | void MacInstallFont() const ; |
| | 266 | void MacInstallPen() const ; |
| | 267 | void MacInstallBrush() const ; |
| | 268 | |
| | 269 | mutable bool m_macFontInstalled ; |
| | 270 | mutable bool m_macPenInstalled ; |
| | 271 | mutable bool m_macBrushInstalled ; |
| | 272 | |
| | 273 | WXHRGN m_macBoundaryClipRgn ; |
| | 274 | WXHRGN m_macCurrentClipRgn ; |
| | 275 | wxPoint m_macLocalOrigin ; |
| | 276 | void MacSetupPort( wxMacPortStateHelper* ph ) const ; |
| | 277 | void MacCleanupPort( wxMacPortStateHelper* ph ) const ; |
| | 278 | mutable void* m_macATSUIStyle ; |
| | 279 | mutable wxMacPortStateHelper* m_macCurrentPortStateHelper ; |
| | 280 | mutable bool m_macFormerAliasState ; |
| | 281 | mutable short m_macFormerAliasSize ; |
| | 282 | mutable bool m_macAliasWasEnabled ; |
| | 283 | mutable void* m_macForegroundPixMap ; |
| | 284 | mutable void* m_macBackgroundPixMap ; |
| | 285 | }; |
| | 286 | |
| | 287 | #endif |
| | 288 | // _WX_DC_H_ |
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