#include "wx/dcclient.h"
#include "wx/window.h"
-
-// I think this patch should be test on wxMac with
-// wxTEST_PAINTDCDELEGATION as 1, and then with
-// with wxTEST_MEMORYDCDELEGATION as 1.
-#define wxTEST_PAINTDCDELEGATION 0
-#define wxTEST_MEMORYDCDELEGATION 0
-
-
// Split platforms into two groups - those which have well-working
// double-buffering by default, and those which do not.
-#if defined(__WXMAC__) || defined(__WXGTK20__)
+#if defined(__WXMAC__) || defined(__WXGTK20__) || defined(__WXDFB__)
#define wxALWAYS_NATIVE_DOUBLE_BUFFER 1
#else
#define wxALWAYS_NATIVE_DOUBLE_BUFFER 0
#endif
-#if wxTEST_PAINTDCDELEGATION || wxTEST_MEMORYDCDELEGATION
- #undef wxALWAYS_NATIVE_DOUBLE_BUFFER
- #define wxALWAYS_NATIVE_DOUBLE_BUFFER 0
-#endif
-
-
// ----------------------------------------------------------------------------
// Double buffering helper.
// ----------------------------------------------------------------------------
// does not prepare the window DC
#define wxBUFFER_CLIENT_AREA 0x02
-class WXDLLEXPORT wxBufferedDC : public wxDC
+class WXDLLEXPORT wxBufferedDC : public wxMemoryDC
{
public:
// Default ctor, must subsequently call Init for two stage construction.
- wxBufferedDC() : wxDC(), m_targetDc(NULL), m_mainDc(NULL),
- m_buffer(NULL), m_style(0)
+ wxBufferedDC()
+ : m_dc(NULL),
+ m_buffer(NULL),
+ m_style(0)
{
}
// Construct a wxBufferedDC using a user supplied buffer.
wxBufferedDC(wxDC *dc,
- const wxBitmap &buffer = wxNullBitmap,
+ wxBitmap& buffer = wxNullBitmap,
int style = wxBUFFER_CLIENT_AREA)
- : wxDC(),
- m_targetDc(NULL),
- m_mainDc(NULL)
+ : m_dc(NULL), m_buffer(NULL)
{
- // All other members except dcs are initialized in Init
Init(dc, buffer, style);
}
// Construct a wxBufferedDC with an internal buffer of 'area'
// (where area is usually something like the size of the window
// being buffered)
- wxBufferedDC(wxDC *dc, const wxSize &area, int style = wxBUFFER_CLIENT_AREA)
- : wxDC(),
- m_targetDc(NULL),
- m_mainDc(NULL)
+ wxBufferedDC(wxDC *dc, const wxSize& area, int style = wxBUFFER_CLIENT_AREA)
+ : m_dc(NULL), m_buffer(NULL)
{
- // All other members except dcs are initialized in Init
- Init(NULL, dc, area, style);
+ Init(dc, area, style);
}
- // Same, but also receives window to detect whether it is
- // natively double-buffered.
- wxBufferedDC(wxWindow* win,
- wxDC *dc,
- const wxSize &area,
- int style = wxBUFFER_CLIENT_AREA)
- : wxDC(),
- m_targetDc(NULL),
- m_mainDc(NULL)
- {
- // All other members except dcs are initialized in Init
- Init(win, dc, area, style);
- }
-
- // default copy ctor ok.
-
// The usually desired action in the dtor is to blit the buffer.
virtual ~wxBufferedDC()
{
- UnMask();
+ if ( m_dc )
+ UnMask();
}
+ // These reimplement the actions of the ctors for two stage creation
void Init(wxDC *dc,
- const wxBitmap &buffer,
+ wxBitmap& buffer = wxNullBitmap,
int style = wxBUFFER_CLIENT_AREA)
{
- wxASSERT_MSG( m_mainDc == NULL,
- wxT("wxBufferedDC already initialised") );
- wxASSERT_MSG( buffer.Ok(),
- wxT("invalid bitmap") );
- m_mainDc = dc;
+ InitCommon(dc, style);
+
m_buffer = &buffer;
- m_style = style;
+
UseBuffer();
}
- void Init(wxWindow* win,
- wxDC *dc,
- const wxSize &area = wxDefaultSize,
- int style = wxBUFFER_CLIENT_AREA)
+ void Init(wxDC *dc, const wxSize &area, int style = wxBUFFER_CLIENT_AREA)
{
- wxASSERT_MSG( m_mainDc == NULL,
- wxT("wxBufferedDC already initialised") );
-
- m_mainDc = dc;
- m_style = style;
+ InitCommon(dc, style);
-#if wxTEST_MEMORYDCDELEGATION
- if ( 0 )
-#elif wxTEST_PAINTDCDELEGATION
- if ( 1 )
-#else
- if ( win && win->IsDoubleBuffered() )
-#endif
- {
- AttachDC(dc);
- m_buffer = NULL;
- }
- else
- {
- PrepareBuffer(win, area);
- UseBuffer();
- }
- }
-
- void Init(wxDC *dc, const wxSize &area = wxDefaultSize, int style = wxBUFFER_CLIENT_AREA)
- {
- Init(NULL, dc, area, style);
+ UseBuffer(area.x, area.y);
}
// Blits the buffer to the dc, and detaches the dc from the buffer (so it
// Usually called in the dtor or by the dtor of derived classes if the
// BufferedDC must blit before the derived class (which may own the dc it's
// blitting to) is destroyed.
- void UnMask();
+ void UnMask()
+ {
+ wxCHECK_RET( m_dc, _T("no underlying wxDC?") );
+ wxASSERT_MSG( m_buffer && m_buffer->IsOk(), _T("invalid backing store") );
+
+ wxCoord x = 0,
+ y = 0;
+
+ if ( m_style & wxBUFFER_CLIENT_AREA )
+ GetDeviceOrigin(&x, &y);
+
+ m_dc->Blit(0, 0, m_buffer->GetWidth(), m_buffer->GetHeight(),
+ this, -x, -y );
+ m_dc = NULL;
+ }
// Set and get the style
void SetStyle(int style) { m_style = style; }
int GetStyle() const { return m_style; }
private:
- // Prepares wxMemoryDC.
- void UseBuffer();
+ // common part of Init()s
+ void InitCommon(wxDC *dc, int style)
+ {
+ wxASSERT_MSG( !m_dc, _T("wxBufferedDC already initialised") );
+
+ m_dc = dc;
+ m_style = style;
- // Allocate m_buffer, if necessary.
- void PrepareBuffer(wxWindow* win, const wxSize& area);
+ // inherit the same layout direction as the original DC
+ if (dc && dc->IsOk())
+ SetLayoutDirection(dc->GetLayoutDirection());
+ }
- // DC to which calls are delegated.
- wxDC* m_targetDc;
+ // check that the bitmap is valid and use it
+ void UseBuffer(wxCoord w = -1, wxCoord h = -1);
- // This the underlying DC to which we copy everything drawn on
- // this one in UnMask().
+ // the underlying DC to which we copy everything drawn on this one in
+ // UnMask()
//
// NB: Without the existence of a wxNullDC, this must be a pointer, else it
// could probably be a reference.
- wxDC* m_mainDc;
+ wxDC *m_dc;
- // the buffer (selected in this DC)
- const wxBitmap* m_buffer;
+ // the buffer (selected in this DC), initially invalid
+ wxBitmap *m_buffer;
// the buffering style
- int m_style;
+ int m_style;
+ DECLARE_DYNAMIC_CLASS(wxBufferedDC)
DECLARE_NO_COPY_CLASS(wxBufferedDC)
-public:
- //
- // BEGIN DC-DELEGATION IMPLEMENTATION
- //
-
- wxDC& GetAttachedDC()
- {
- return *m_targetDc;
- }
-
- // Use this to set the DC which receives delegated calls.
- void AttachDC(wxDC* dc)
- {
- m_targetDc = dc;
- #ifdef __WXMSW__
- SetHDC( dc ? dc->GetHDC() : NULL );
- #endif
- }
-
- // Sets DC to NULL
- wxDC* DetachDC()
- {
- wxDC* retDc = m_targetDc;
- AttachDC(NULL);
- return retDc;
- }
-
-#ifdef __WXGTK__
- virtual GdkWindow* GetGDKWindow() const
- {
- return m_targetDc->GetGDKWindow();
- }
- virtual wxBitmap GetSelectedBitmap() const
- {
- return m_targetDc->GetSelectedBitmap();
- }
-#endif
-
- bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
- { return m_targetDc->Blit(xdest, ydest, width, height,
- source, xsrc, ysrc, rop,
- useMask, xsrcMask, ysrcMask); }
- bool Blit(const wxPoint& destPt, const wxSize& sz,
- wxDC *source, const wxPoint& srcPt,
- int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
- { return m_targetDc->Blit(destPt, sz, source, srcPt,
- rop, useMask, srcPtMask); }
- virtual void CalcBoundingBox(wxCoord x, wxCoord y) { m_targetDc->CalcBoundingBox(x, y); }
-#if defined(__WXWINCE__)
- void CalculateEllipticPoints( wxList* points,
- wxCoord xStart, wxCoord yStart,
- wxCoord w, wxCoord h,
- double sa, double ea )
- { m_targetDc->CalculateEllipticPoints(points, xStart, yStart, w,
- h, sa, ea); }
-#endif // defined(__WXWINCE__)
- virtual bool CanDrawBitmap() const { return m_targetDc->CanDrawBitmap(); }
- virtual bool CanGetTextExtent() const { return m_targetDc->CanGetTextExtent(); }
- virtual void Clear() { m_targetDc->Clear(); }
- virtual void ComputeScaleAndOrigin() { m_targetDc->ComputeScaleAndOrigin(); }
- void CrossHair(wxCoord x, wxCoord y) { m_targetDc->CrossHair(x, y); }
- void CrossHair(const wxPoint& pt) { m_targetDc->CrossHair(pt); }
- virtual void DestroyClippingRegion() { m_targetDc->DestroyClippingRegion(); }
- wxCoord DeviceToLogicalX(wxCoord x) const { return m_targetDc->DeviceToLogicalX(x); }
- wxCoord DeviceToLogicalXRel(wxCoord x) const { return m_targetDc->DeviceToLogicalXRel(x); }
- wxCoord DeviceToLogicalY(wxCoord y) const { return m_targetDc->DeviceToLogicalY(y); }
- wxCoord DeviceToLogicalYRel(wxCoord y) const { return m_targetDc->DeviceToLogicalYRel(y); }
-#if defined(__WXWINCE__)
- virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
- wxCoord w, wxCoord h,
- double sa = 0, double ea = 0, double angle = 0 )
- { m_targetDc->DoDrawEllipticArcRot(x, y, w, h,
- sa, ea, angle); }
-#endif // defined(__WXWINCE__)
- void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc)
- { m_targetDc->DrawArc(x1, y1, x2, y2,
- xc, yc); }
- void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
- { m_targetDc->DrawArc(pt1, pt2, centre); }
- void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = false)
- { m_targetDc->DrawBitmap(bmp, x, y, useMask); }
- void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
- bool useMask = false)
- { m_targetDc->DrawBitmap(bmp, pt, useMask); }
- void DrawCheckMark(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height)
- { m_targetDc->DrawCheckMark(x, y, width, height); }
- void DrawCheckMark(const wxRect& rect) { m_targetDc->DrawCheckMark(rect); }
- void DrawCircle(wxCoord x, wxCoord y, wxCoord radius) { m_targetDc->DrawCircle(x, y, radius); }
- void DrawCircle(const wxPoint& pt, wxCoord radius) { m_targetDc->DrawCircle(pt, radius); }
- void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { m_targetDc->DrawEllipse(x, y, width, height); }
- void DrawEllipse(const wxPoint& pt, const wxSize& sz) { m_targetDc->DrawEllipse(pt, sz); }
- void DrawEllipse(const wxRect& rect) { m_targetDc->DrawEllipse(rect); }
- void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
- double sa, double ea)
- { m_targetDc->DrawEllipticArc(x, y, w, h,
- sa, ea); }
- void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
- double sa, double ea)
- { m_targetDc->DrawEllipticArc(pt, sz, sa, ea); }
-#if defined(__WXWINCE__)
- void DrawEllipticArcRot( wxCoord x, wxCoord y,
- wxCoord width, wxCoord height,
- double sa = 0, double ea = 0, double angle = 0 )
- { m_targetDc->DrawEllipticArcRot(x, y, width, height,
- sa, ea, angle); }
- void DrawEllipticArcRot( const wxPoint& pt,
- const wxSize& sz,
- double sa = 0, double ea = 0, double angle = 0 )
- { m_targetDc->DrawEllipticArcRot(pt, sz, sa, ea,
- angle); }
- void DrawEllipticArcRot( const wxRect& rect,
- double sa = 0, double ea = 0, double angle = 0 )
- { m_targetDc->DrawEllipticArcRot(rect, sa, ea, angle); }
-#endif // defined(__WXWINCE__)
- void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { m_targetDc->DrawIcon(icon, x, y); }
- void DrawIcon(const wxIcon& icon, const wxPoint& pt) { m_targetDc->DrawIcon(icon, pt); }
- virtual void DrawLabel(const wxString& text,
- const wxBitmap& image,
- const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1,
- wxRect *rectBounding = NULL)
- { m_targetDc->DrawLabel(text, image, rect, alignment,
- indexAccel, rectBounding); }
- void DrawLabel(const wxString& text, const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1)
- { m_targetDc->DrawLabel(text, rect, alignment, indexAccel); }
- void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
- { m_targetDc->DrawLine(x1, y1, x2, y2); }
- void DrawLine(const wxPoint& pt1, const wxPoint& pt2) { m_targetDc->DrawLine(pt1, pt2); }
- void DrawLines(int n, wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0)
- { m_targetDc->DrawLines(n, points, xoffset, yoffset); }
- void DrawLines(const wxList *list,
- wxCoord xoffset = 0, wxCoord yoffset = 0)
- { m_targetDc->DrawLines(list, xoffset, yoffset); }
- virtual void DrawObject(wxDrawObject* drawobject) { m_targetDc->DrawObject(drawobject); }
- void DrawPoint(wxCoord x, wxCoord y) { m_targetDc->DrawPoint(x, y); }
- void DrawPoint(const wxPoint& pt) { m_targetDc->DrawPoint(pt); }
- void DrawPolyPolygon(int n, int count[], wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { m_targetDc->DrawPolyPolygon(n, count, points, xoffset,
- yoffset, fillStyle); }
- void DrawPolygon(int n, wxPoint points[],
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { m_targetDc->DrawPolygon(n, points, xoffset, yoffset,
- fillStyle); }
- void DrawPolygon(const wxList *list,
- wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE)
- { m_targetDc->DrawPolygon(list, xoffset, yoffset, fillStyle); }
- void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { m_targetDc->DrawRectangle(x, y, width, height); }
- void DrawRectangle(const wxPoint& pt, const wxSize& sz) { m_targetDc->DrawRectangle(pt, sz); }
- void DrawRectangle(const wxRect& rect) { m_targetDc->DrawRectangle(rect); }
- void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
- { m_targetDc->DrawRotatedText(text, x, y, angle); }
- void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
- { m_targetDc->DrawRotatedText(text, pt, angle); }
- void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
- double radius)
- { m_targetDc->DrawRoundedRectangle(x, y, width, height,
- radius); }
- void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
- double radius)
- { m_targetDc->DrawRoundedRectangle(pt, sz, radius); }
- void DrawRoundedRectangle(const wxRect& r, double radius)
- { m_targetDc->DrawRoundedRectangle(r, radius); }
-#if wxUSE_SPLINES
- void DrawSpline(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord x3, wxCoord y3)
- { m_targetDc->DrawSpline(x1, y1, x2, y2,
- x3, y3); }
- void DrawSpline(int n, wxPoint points[]) { m_targetDc->DrawSpline(n, points); }
- void DrawSpline(wxList *points) { m_targetDc->DrawSpline(points); }
-#endif // wxUSE_SPLINES
- void DrawText(const wxString& text, wxCoord x, wxCoord y)
- { m_targetDc->DrawText(text, x, y); }
- void DrawText(const wxString& text, const wxPoint& pt) { m_targetDc->DrawText(text, pt); }
- virtual void EndDoc() { m_targetDc->EndDoc(); }
- virtual void EndPage() { m_targetDc->EndPage(); }
- bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE)
- { return m_targetDc->FloodFill(x, y, col, style); }
- bool FloodFill(const wxPoint& pt, const wxColour& col,
- int style = wxFLOOD_SURFACE)
- { return m_targetDc->FloodFill(pt, col, style); }
- virtual const wxBrush& GetBackground() const { return m_targetDc->GetBackground(); }
- virtual int GetBackgroundMode() const { return m_targetDc->GetBackgroundMode(); }
- virtual const wxBrush& GetBrush() const { return m_targetDc->GetBrush(); }
- virtual wxCoord GetCharHeight() const { return m_targetDc->GetCharHeight(); }
- virtual wxCoord GetCharWidth() const { return m_targetDc->GetCharWidth(); }
- void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
- { m_targetDc->GetClippingBox(x, y, w, h); }
- void GetClippingBox(wxRect& rect) const { m_targetDc->GetClippingBox(rect); }
- void GetClippingBox(long *x, long *y, long *w, long *h) const
- { m_targetDc->GetClippingBox(x, y, w, h); }
- virtual int GetDepth() const { return m_targetDc->GetDepth(); }
- void GetDeviceOrigin(wxCoord *x, wxCoord *y) const { m_targetDc->GetDeviceOrigin(x, y); }
- wxPoint GetDeviceOrigin() const { return m_targetDc->GetDeviceOrigin(); }
- void GetDeviceOrigin(long *x, long *y) const { m_targetDc->GetDeviceOrigin(x, y); }
- virtual const wxFont& GetFont() const { return m_targetDc->GetFont(); }
- virtual int GetLogicalFunction() const { return m_targetDc->GetLogicalFunction(); }
- void GetLogicalOrigin(wxCoord *x, wxCoord *y) const { m_targetDc->GetLogicalOrigin(x, y); }
- wxPoint GetLogicalOrigin() const { return m_targetDc->GetLogicalOrigin(); }
- void GetLogicalOrigin(long *x, long *y) const { m_targetDc->GetLogicalOrigin(x, y); }
- virtual void GetLogicalScale(double *x, double *y) { m_targetDc->GetLogicalScale(x, y); }
- virtual int GetMapMode() const { return m_targetDc->GetMapMode(); }
- virtual void GetMultiLineTextExtent(const wxString& text,
- wxCoord *width,
- wxCoord *height,
- wxCoord *heightLine = NULL,
- wxFont *font = NULL)
- { m_targetDc->GetMultiLineTextExtent(text, width, height, heightLine,
- font); }
-#if WXWIN_COMPATIBILITY_2_4
- virtual bool GetOptimization() { return m_targetDc->GetOptimization(); }
-#endif // WXWIN_COMPATIBILITY_2_4
- virtual wxSize GetPPI() const { return m_targetDc->GetPPI(); }
- bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
- { return m_targetDc->GetPartialTextExtents(text, widths); }
- virtual const wxPen& GetPen() const { return m_targetDc->GetPen(); }
- bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
- { return m_targetDc->GetPixel(x, y, col); }
- bool GetPixel(const wxPoint& pt, wxColour *col) const { return m_targetDc->GetPixel(pt, col); }
- void GetSize(int *width, int *height) const { m_targetDc->GetSize(width, height); }
- wxSize GetSize() const { return m_targetDc->GetSize(); }
- void GetSizeMM(int* width, int* height) const { m_targetDc->GetSizeMM(width, height); }
- wxSize GetSizeMM() const { return m_targetDc->GetSizeMM(); }
- virtual const wxColour& GetTextBackground() const { return m_targetDc->GetTextBackground(); }
- void GetTextExtent(const wxString& string,
- wxCoord *x, wxCoord *y,
- wxCoord *descent = NULL,
- wxCoord *externalLeading = NULL,
- wxFont *theFont = NULL) const
- { m_targetDc->GetTextExtent(string, x, y, descent,
- externalLeading, theFont); }
- void GetTextExtent(const wxString& string,
- long *x, long *y,
- long *descent = NULL,
- long *externalLeading = NULL,
- wxFont *theFont = NULL) const
- { m_targetDc->GetTextExtent(string, x, y, descent,
- externalLeading, theFont); }
- virtual const wxColour& GetTextForeground() const { return m_targetDc->GetTextForeground(); }
- virtual void GetUserScale(double *x, double *y) const { m_targetDc->GetUserScale(x, y); }
- void GradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour)
- { m_targetDc->GradientFillConcentric(rect, initialColour, destColour); }
- void GradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- const wxPoint& circleCenter)
- { m_targetDc->GradientFillConcentric(rect, initialColour, destColour, circleCenter); }
- void GradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection = wxEAST)
- { m_targetDc->GradientFillLinear(rect, initialColour, destColour, nDirection); }
- wxCoord LogicalToDeviceX(wxCoord x) const { return m_targetDc->LogicalToDeviceX(x); }
- wxCoord LogicalToDeviceXRel(wxCoord x) const { return m_targetDc->LogicalToDeviceXRel(x); }
- wxCoord LogicalToDeviceY(wxCoord y) const { return m_targetDc->LogicalToDeviceY(y); }
- wxCoord LogicalToDeviceYRel(wxCoord y) const { return m_targetDc->LogicalToDeviceYRel(y); }
- wxCoord MaxX() const { return m_targetDc->MaxX(); }
- wxCoord MaxY() const { return m_targetDc->MaxY(); }
- wxCoord MinX() const { return m_targetDc->MinX(); }
- wxCoord MinY() const { return m_targetDc->MinY(); }
- virtual bool Ok() const { return m_targetDc->Ok(); }
- void ResetBoundingBox()
- { m_targetDc->ResetBoundingBox(); }
-#if defined(__WXWINCE__)
- void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) )
- { m_targetDc->Rotate(points, angle, center); }
-#endif // defined(__WXWINCE__)
- virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
- { m_targetDc->SetAxisOrientation(xLeftRight, yBottomUp); }
- virtual void SetBackground(const wxBrush& brush) { m_targetDc->SetBackground(brush); }
- virtual void SetBackgroundMode(int mode) { m_targetDc->SetBackgroundMode(mode); }
- virtual void SetBrush(const wxBrush& brush) { m_targetDc->SetBrush(brush); }
- void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { m_targetDc->SetClippingRegion(x, y, width, height); }
- void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
- { m_targetDc->SetClippingRegion(pt, sz); }
- void SetClippingRegion(const wxRect& rect) { m_targetDc->SetClippingRegion(rect); }
- void SetClippingRegion(const wxRegion& region) { m_targetDc->SetClippingRegion(region); }
- virtual void SetDeviceOrigin(wxCoord x, wxCoord y) { m_targetDc->SetDeviceOrigin(x, y); }
- virtual void SetFont(const wxFont& font) { m_targetDc->SetFont(font); }
- virtual void SetLogicalFunction(int function) { m_targetDc->SetLogicalFunction(function); }
- virtual void SetLogicalOrigin(wxCoord x, wxCoord y) { m_targetDc->SetLogicalOrigin(x, y); }
- virtual void SetLogicalScale(double x, double y) { m_targetDc->SetLogicalScale(x, y); }
- virtual void SetMapMode(int mode) { m_targetDc->SetMapMode(mode); }
-#if WXWIN_COMPATIBILITY_2_4
- virtual void SetOptimization(bool opt) { m_targetDc->SetOptimization(opt); }
-#endif // WXWIN_COMPATIBILITY_2_4
-#if wxUSE_PALETTE
- virtual void SetPalette(const wxPalette& palette) { m_targetDc->SetPalette(palette); }
-#endif // wxUSE_PALETTE
- virtual void SetPen(const wxPen& pen) { m_targetDc->SetPen(pen); }
- virtual void SetTextBackground(const wxColour& colour) { m_targetDc->SetTextBackground(colour); }
- virtual void SetTextForeground(const wxColour& colour) { m_targetDc->SetTextForeground(colour); }
- virtual void SetUserScale(double x, double y) { m_targetDc->SetUserScale(x, y); }
- virtual bool StartDoc(const wxString& message) { return m_targetDc->StartDoc(message); }
- virtual void StartPage() { m_targetDc->StartPage(); }
-protected:
- 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 = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
- { return m_targetDc->Blit(xdest, ydest, width, height,
- source, xsrc, ysrc, rop,
- useMask, xsrcMask, ysrcMask); }
- virtual void DoCrossHair(wxCoord x, wxCoord y) { m_targetDc->CrossHair(x, y); }
- virtual void DoDrawArc(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc)
- { m_targetDc->DrawArc(x1, y1, x2, y2,
- xc, yc); }
- virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = false)
- { m_targetDc->DrawBitmap(bmp, x, y, useMask); }
- virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height)
- { m_targetDc->DrawCheckMark(x, y, width, height); }
- virtual void DoDrawEllipse(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height)
- { m_targetDc->DrawEllipse(x, y, width, height); }
- virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
- double sa, double ea)
- { m_targetDc->DrawEllipticArc(x, y, w, h,
- sa, ea); }
- virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
- { m_targetDc->DrawIcon(icon, x, y); }
- virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
- { m_targetDc->DrawLine(x1, y1, x2, y2); }
- virtual void DoDrawLines(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset)
- { m_targetDc->DrawLines(n, points, xoffset, yoffset); }
- virtual void DoDrawPoint(wxCoord x, wxCoord y) { m_targetDc->DrawPoint(x, y); }
- virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle)
- { m_targetDc->DrawPolyPolygon(n, count, points, xoffset,
- yoffset, fillStyle); }
- virtual void DoDrawPolygon(int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle = wxODDEVEN_RULE)
- { m_targetDc->DrawPolygon(n, points, xoffset, yoffset,
- fillStyle); }
- virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
- { m_targetDc->DrawRectangle(x, y, width, height); }
- virtual void DoDrawRotatedText(const wxString& text,
- wxCoord x, wxCoord y, double angle)
- { m_targetDc->DrawRotatedText(text, x, y, angle); }
- virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height,
- double radius)
- { m_targetDc->DrawRoundedRectangle(x, y, width, height,
- radius); }
-#if wxUSE_SPLINES
- virtual void DoDrawSpline(wxList *points) { m_targetDc->DrawSpline(points); }
-#endif // wxUSE_SPLINES
- virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y)
- { m_targetDc->DrawText(text, x, y); }
- virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
- int style = wxFLOOD_SURFACE)
- { return m_targetDc->FloodFill(x, y, col, style); }
- virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
- wxCoord *w, wxCoord *h) const
- { m_targetDc->GetClippingBox(x, y, w, h); }
- virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
- { m_targetDc->GetDeviceOrigin(x, y); }
- virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
- { m_targetDc->GetLogicalOrigin(x, y); }
- virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
- { return m_targetDc->GetPartialTextExtents(text, widths); }
- virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
- { return m_targetDc->GetPixel(x, y, col); }
- virtual void DoGetSize(int *width, int *height) const { m_targetDc->GetSize(width, height); }
- virtual void DoGetSizeMM(int* width, int* height) const { m_targetDc->GetSizeMM(width, height); }
- virtual void DoGetTextExtent(const wxString& string,
- wxCoord *x, wxCoord *y,
- wxCoord *descent = NULL,
- wxCoord *externalLeading = NULL,
- wxFont *theFont = NULL) const
- { m_targetDc->GetTextExtent(string, x, y, descent,
- externalLeading, theFont); }
- virtual void DoGradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection = wxEAST)
- { m_targetDc->GradientFillLinear(rect, initialColour, destColour, nDirection); }
- virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height)
- { m_targetDc->SetClippingRegion(x, y, width, height); }
- virtual void DoSetClippingRegionAsRegion(const wxRegion& region)
- { m_targetDc->SetClippingRegion(region); }
};
// Creates a double buffered wxPaintDC, optionally allowing the
// user to specify their own buffer to use.
-class wxBufferedPaintDC : public wxBufferedDC
+class WXDLLEXPORT wxBufferedPaintDC : public wxBufferedDC
{
public:
// If no bitmap is supplied by the user, a temporary one will be created.
- wxBufferedPaintDC(wxWindow *window, const wxBitmap& buffer, int style = wxBUFFER_CLIENT_AREA)
+ wxBufferedPaintDC(wxWindow *window, wxBitmap& buffer, int style = wxBUFFER_CLIENT_AREA)
: m_paintdc(window)
{
// If we're buffering the virtual window, scale the paint DC as well
if (style & wxBUFFER_VIRTUAL_AREA)
window->PrepareDC( m_paintdc );
- if( buffer != wxNullBitmap )
+ if( buffer.IsOk() )
Init(&m_paintdc, buffer, style);
else
- Init(window, &m_paintdc, window->GetClientSize(), style);
+ Init(&m_paintdc, GetBufferedSize(window, style), style);
}
// If no bitmap is supplied by the user, a temporary one will be created.
if (style & wxBUFFER_VIRTUAL_AREA)
window->PrepareDC( m_paintdc );
- Init(window, &m_paintdc, window->GetClientSize(), style);
+ Init(&m_paintdc, GetBufferedSize(window, style), style);
}
// default copy ctor ok.
UnMask();
}
+protected:
+ // return the size needed by the buffer: this depends on whether we're
+ // buffering just the currently shown part or the total (scrolled) window
+ static wxSize GetBufferedSize(wxWindow *window, int style)
+ {
+ return style & wxBUFFER_VIRTUAL_AREA ? window->GetVirtualSize()
+ : window->GetClientSize();
+ }
+
private:
wxPaintDC m_paintdc;
+ DECLARE_ABSTRACT_CLASS(wxBufferedPaintDC)
DECLARE_NO_COPY_CLASS(wxBufferedPaintDC)
};
{
// Help the user to get the double-buffering working properly.
wxASSERT_MSG( win->GetBackgroundStyle() == wxBG_STYLE_CUSTOM,
- wxT("In constructor, you need to call GetBackgroundStyle(wxBG_STYLE_CUSTOM), ")
+ wxT("In constructor, you need to call SetBackgroundStyle(wxBG_STYLE_CUSTOM), ")
wxT("and also, if needed, paint the background manually in the paint event handler."));
}
#endif
+// Check if the window is natively double buffered and will return a wxPaintDC
+// if it is, a wxBufferedPaintDC otherwise. It is the caller's responsibility
+// to delete the wxDC pointer when finished with it.
+inline wxDC* wxAutoBufferedPaintDCFactory(wxWindow* window)
+{
+ if ( window->IsDoubleBuffered() )
+ return new wxPaintDC(window);
+ else
+ return new wxBufferedPaintDC(window);
+}
+
#endif // _WX_DCBUFFER_H_
projects / wxWidgets.git / blobdiff