X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42e69d6b435a4dd5415caf3750db62cf45b6f373..2b260bc3e2f269de090eefdaefc1450207a7734e:/include/wx/msw/dc.h diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h index 8851693235..50e310c902 100644 --- a/include/wx/msw/dc.h +++ b/include/wx/msw/dc.h @@ -16,10 +16,85 @@ #pragma interface "dc.h" #endif -class WXDLLEXPORT wxDC : public wxDCBase +#include "wx/defs.h" +#include "wx/dc.h" + +// --------------------------------------------------------------------------- +// macros +// --------------------------------------------------------------------------- + +// Logical to device +// Absolute +#define XLOG2DEV(x) (x) +#define YLOG2DEV(y) (y) + +// Relative +#define XLOG2DEVREL(x) (x) +#define YLOG2DEVREL(y) (y) + +// Device to logical +// Absolute +#define XDEV2LOG(x) (x) + +#define YDEV2LOG(y) (y) + +// Relative +#define XDEV2LOGREL(x) (x) +#define YDEV2LOGREL(y) (y) + +/* + * Have the same macros as for XView but not for every operation: + * just for calculating window/viewport extent (a better way of scaling). + */ + +// Logical to device +// Absolute +#define MS_XLOG2DEV(x) LogicalToDevice(x) + +#define MS_YLOG2DEV(y) LogicalToDevice(y) + +// Relative +#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x) +#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y) + +// Device to logical +// Absolute +#define MS_XDEV2LOG(x) DeviceToLogicalX(x) + +#define MS_YDEV2LOG(y) DeviceToLogicalY(y) + +// Relative +#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x) +#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y) + +#define YSCALE(y) (yorigin - (y)) + +#define wx_round(a) (int)((a)+.5) + +#if wxUSE_DC_CACHEING +/* + * Cached blitting, maintaining a cache + * of bitmaps required for transparent blitting + * instead of constant creation/deletion + */ + +class wxDCCacheEntry: public wxObject { - DECLARE_DYNAMIC_CLASS(wxDC) +public: + wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth); + wxDCCacheEntry(WXHDC hDC, int depth); + ~wxDCCacheEntry(); + + WXHBITMAP m_bitmap; + WXHDC m_dc; + int m_width; + int m_height; + int m_depth; +}; +#endif +class WXDLLEXPORT wxDC : public wxDCBase +{ public: wxDC(); ~wxDC(); @@ -44,13 +119,13 @@ public: virtual void DestroyClippingRegion(); - virtual long GetCharHeight() const; - virtual long GetCharWidth() const; - virtual void GetTextExtent(const wxString& string, - long *x, long *y, - long *descent = NULL, - long *externalLeading = NULL, - wxFont *theFont = NULL) const; + virtual wxCoord GetCharHeight() const; + virtual wxCoord GetCharWidth() const; + virtual void DoGetTextExtent(const wxString& string, + wxCoord *x, wxCoord *y, + wxCoord *descent = NULL, + wxCoord *externalLeading = NULL, + wxFont *theFont = NULL) const; virtual bool CanDrawBitmap() const; virtual bool CanGetTextExtent() const; @@ -61,8 +136,8 @@ public: virtual void SetUserScale(double x, double y); virtual void SetSystemScale(double x, double y); virtual void SetLogicalScale(double x, double y); - virtual void SetLogicalOrigin(long x, long y); - virtual void SetDeviceOrigin(long x, long y); + virtual void SetLogicalOrigin(wxCoord x, wxCoord y); + virtual void SetDeviceOrigin(wxCoord x, wxCoord y); virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); virtual void SetLogicalFunction(int function); @@ -70,7 +145,6 @@ public: // -------------------------- virtual void SetRop(WXHDC cdc); - virtual void DoClipping(WXHDC cdc); virtual void SelectOldObjects(WXHDC dc); wxWindow *GetWindow() const { return m_canvas; } @@ -83,46 +157,65 @@ public: m_bOwnsDC = bOwnsDC; } + const wxBitmap& GetSelectedBitmap() const { return m_selectedBitmap; } + wxBitmap& GetSelectedBitmap() { return m_selectedBitmap; } + + // update the internal clip box variables + void UpdateClipBox(); + +#if wxUSE_DC_CACHEING + static wxDCCacheEntry* FindBitmapInCache(WXHDC hDC, int w, int h); + static wxDCCacheEntry* FindDCInCache(wxDCCacheEntry* notThis, WXHDC hDC); + + static void AddToBitmapCache(wxDCCacheEntry* entry); + static void AddToDCCache(wxDCCacheEntry* entry); + static void ClearCache(); +#endif + protected: - virtual void DoFloodFill(long x, long y, const wxColour& col, + virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE); - virtual bool DoGetPixel(long x, long y, wxColour *col) const; + virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; - virtual void DoDrawPoint(long x, long y); - virtual void DoDrawLine(long x1, long y1, long x2, long y2); + virtual void DoDrawPoint(wxCoord x, wxCoord y); + virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); - virtual void DoDrawArc(long x1, long y1, - long x2, long y2, - long xc, long yc); - virtual void DoDrawEllipticArc(long x, long y, long w, long h, + virtual void DoDrawArc(wxCoord x1, wxCoord y1, + wxCoord x2, wxCoord y2, + wxCoord xc, wxCoord yc); + virtual void DoDrawCheckMark(wxCoord x, wxCoord y, + wxCoord width, wxCoord height); + virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea); - virtual void DoDrawRectangle(long x, long y, long width, long height); - virtual void DoDrawRoundedRectangle(long x, long y, - long width, long height, + virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); + virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, + wxCoord width, wxCoord height, double radius); - virtual void DoDrawEllipse(long x, long y, long width, long height); + virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); - virtual void DoCrossHair(long x, long y); + virtual void DoCrossHair(wxCoord x, wxCoord y); - virtual void DoDrawIcon(const wxIcon& icon, long x, long y); - virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y, + virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); + virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = FALSE); - virtual void DoDrawText(const wxString& text, long x, long y); + virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); + virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, + double angle); - virtual bool DoBlit(long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, - int rop = wxCOPY, bool useMask = FALSE); + virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, + int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); // this is gnarly - we can't even call this function DoSetClippingRegion() // because of virtual function hiding virtual void DoSetClippingRegionAsRegion(const wxRegion& region); - virtual void DoSetClippingRegion(long x, long y, - long width, long height); - virtual void DoGetClippingRegion(long *x, long *y, - long *width, long *height) + virtual void DoSetClippingRegion(wxCoord x, wxCoord y, + wxCoord width, wxCoord height); + virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y, + wxCoord *width, wxCoord *height) { GetClippingBox(x, y, width, height); } @@ -131,14 +224,14 @@ protected: virtual void DoGetSizeMM(int* width, int* height) const; virtual void DoDrawLines(int n, wxPoint points[], - long xoffset, long yoffset); + wxCoord xoffset, wxCoord yoffset); virtual void DoDrawPolygon(int n, wxPoint points[], - long xoffset, long yoffset, + wxCoord xoffset, wxCoord yoffset, int fillStyle = wxODDEVEN_RULE); -#if wxUSE_SPLINES - virtual void DoDrawSpline(wxList *points); -#endif // wxUSE_SPLINES + + // common part of DoDrawText() and DoDrawRotatedText() + void DrawAnyText(const wxString& text, wxCoord x, wxCoord y); // MSW-specific member variables int m_windowExtX; @@ -152,10 +245,8 @@ protected: // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it bool m_bOwnsDC:1; - // our HDC and its usage count: we only free it when the usage count drops - // to 0 + // our HDC WXHDC m_hDC; - int m_hDCCount; // Store all old GDI objects when do a SelectObject, so we can select them // back in (this unselecting user's objects) so we can safely delete the @@ -165,6 +256,25 @@ protected: WXHBRUSH m_oldBrush; WXHFONT m_oldFont; WXHPALETTE m_oldPalette; + +#if wxUSE_DC_CACHEING + static wxList sm_bitmapCache; + static wxList sm_dcCache; +#endif + + DECLARE_DYNAMIC_CLASS(wxDC) +}; + +// ---------------------------------------------------------------------------- +// wxDCTemp: a wxDC which doesn't free the given HDC (used by wxWindows +// only/mainly) +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDCTemp : public wxDC +{ +public: + wxDCTemp(WXHDC hdc) { SetHDC(hdc); } + virtual ~wxDCTemp() { SetHDC((WXHDC)NULL); } }; #endif