// Name: src/msw/pen.cpp
// Purpose: wxPen
// Author: Julian Smart
-// Modified by:
+// Modified by: Vadim Zeitlin: refactored wxPen code to wxPenRefData
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/msw/private.h"
-typedef WXDWORD wxMSWDash;
+#define M_PENDATA ((wxPenRefData*)m_refData)
-static int wx2msPenStyle(int wx_style);
+// Win32 has ExtCreatePen() but WinCE doesn't
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ #define wxHAVE_EXT_CREATE_PEN
+#endif
-#define M_PENDATA ((wxPenRefData*)m_refData)
+// ----------------------------------------------------------------------------
+// wxPenRefData: contains information about an HPEN and its handle
+// ----------------------------------------------------------------------------
class WXDLLEXPORT wxPenRefData : public wxGDIRefData
{
public:
+ // ctors and dtor
+ // --------------
+
wxPenRefData();
wxPenRefData(const wxPenRefData& data);
+ wxPenRefData(const wxColour& col, int width, int style);
+ wxPenRefData(const wxBitmap& stipple, int width);
virtual ~wxPenRefData();
bool operator==(const wxPenRefData& data) const
memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
}
+
+ // accessors and setters
+ // ---------------------
+
+ wxColour& GetColour() const { return wx_const_cast(wxColour&, m_colour); }
+ int GetWidth() const { return m_width; }
+ int GetStyle() const { return m_style; }
+ int GetJoin() const { return m_join; }
+ int GetCap() const { return m_cap; }
+ wxDash* GetDash() const { return m_dash; }
+ int GetDashCount() const { return m_nbDash; }
+ wxBitmap* GetStipple() const { return wx_const_cast(wxBitmap *, &m_stipple); }
+
+ void SetColour(const wxColour& col) { Free(); m_colour = col; }
+ void SetWidth(int width) { Free(); m_width = width; }
+ void SetStyle(int style) { Free(); m_style = style; }
+ void SetStipple(const wxBitmap& stipple)
+ {
+ Free();
+
+ m_style = wxSTIPPLE;
+ m_stipple = stipple;
+ }
+
+ void SetDashes(int nb_dashes, const wxDash *dash)
+ {
+ Free();
+
+ m_nbDash = nb_dashes;
+ m_dash = wx_const_cast(wxDash *, dash);
+ }
+
+ void SetJoin(int join) { Free(); m_join = join; }
+ void SetCap(int cap) { Free(); m_cap = cap; }
+
+
+ // HPEN management
+ // ---------------
+
+ // create the HPEN if we don't have it yet
+ bool Alloc();
+
+ // get the HPEN creating it on demand
+ WXHPEN GetHPEN() const;
+
+ // return true if we have a valid HPEN
+ bool HasHPEN() const { return m_hPen != 0; }
+
+ // return true if we had a valid handle before, false otherwise
+ bool Free();
+
+private:
+ // initialize the fields which have reasonable default values
+ //
+ // doesn't initialize m_width and m_style which must be initialize in ctor
+ void Init()
+ {
+ m_join = wxJOIN_ROUND;
+ m_cap = wxCAP_ROUND;
+ m_nbDash = 0;
+ m_dash = NULL;
+ m_hPen = 0;
+ }
+
int m_width;
int m_style;
int m_join;
int m_nbDash;
wxDash * m_dash;
wxColour m_colour;
- WXHPEN m_hPen;
+ HPEN m_hPen;
DECLARE_NO_ASSIGN_CLASS(wxPenRefData)
};
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxPenRefData ctors/dtor
+// ----------------------------------------------------------------------------
+
wxPenRefData::wxPenRefData()
{
- m_style = wxSOLID;
- m_width = 1;
- m_join = wxJOIN_ROUND ;
- m_cap = wxCAP_ROUND ;
- m_nbDash = 0 ;
- m_dash = (wxDash*)NULL;
- m_hPen = 0;
+ Init();
+
+ m_style = wxSOLID;
+ m_width = 1;
}
wxPenRefData::wxPenRefData(const wxPenRefData& data)
m_hPen = 0;
}
-wxPenRefData::~wxPenRefData()
+wxPenRefData::wxPenRefData(const wxColour& col, int width, int style)
{
- if ( m_hPen )
- ::DeleteObject((HPEN) m_hPen);
-}
+ Init();
-// Pens
+ m_style = style;
+ m_width = width;
-IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
+ m_colour = col;
+}
-wxPen::wxPen()
+wxPenRefData::wxPenRefData(const wxBitmap& stipple, int width)
{
+ Init();
+
+ m_style = wxSTIPPLE;
+ m_width = width;
+
+ m_stipple = stipple;
}
-wxPen::~wxPen()
+wxPenRefData::~wxPenRefData()
{
+ if ( m_hPen )
+ ::DeleteObject(m_hPen);
}
-// Should implement Create
-wxPen::wxPen(const wxColour& col, int Width, int Style)
+// ----------------------------------------------------------------------------
+// wxPenRefData HPEN management
+// ----------------------------------------------------------------------------
+
+#ifdef wxHAVE_EXT_CREATE_PEN
+
+static int ConvertPenStyle(int style)
{
- m_refData = new wxPenRefData;
+ switch ( style )
+ {
+ case wxDOT:
+ return PS_DOT;
+
+ case wxDOT_DASH:
+ return PS_DASHDOT;
+
+ case wxSHORT_DASH:
+ case wxLONG_DASH:
+ return PS_DASH;
+
+ case wxTRANSPARENT:
+ return PS_NULL;
- M_PENDATA->m_colour = col;
-// M_PENDATA->m_stipple = NULL;
- M_PENDATA->m_width = Width;
- M_PENDATA->m_style = Style;
- M_PENDATA->m_join = wxJOIN_ROUND ;
- M_PENDATA->m_cap = wxCAP_ROUND ;
- M_PENDATA->m_nbDash = 0 ;
- M_PENDATA->m_dash = (wxDash*)NULL;
- M_PENDATA->m_hPen = 0 ;
+ case wxUSER_DASH:
+ return PS_USERSTYLE;
- RealizeResource();
+ default:
+ wxFAIL_MSG( _T("unknown pen style") );
+ // fall through
+
+ case wxSTIPPLE:
+ case wxBDIAGONAL_HATCH:
+ case wxCROSSDIAG_HATCH:
+ case wxFDIAGONAL_HATCH:
+ case wxCROSS_HATCH:
+ case wxHORIZONTAL_HATCH:
+ case wxVERTICAL_HATCH:
+ case wxSOLID:
+ return PS_SOLID;
+ }
}
-wxPen::wxPen(const wxBitmap& stipple, int Width)
+static int ConvertJoinStyle(int join)
{
- m_refData = new wxPenRefData;
+ switch( join )
+ {
+ case wxJOIN_BEVEL:
+ return PS_JOIN_BEVEL;
-// M_PENDATA->m_colour = col;
- M_PENDATA->m_stipple = stipple;
- M_PENDATA->m_width = Width;
- M_PENDATA->m_style = wxSTIPPLE;
- M_PENDATA->m_join = wxJOIN_ROUND ;
- M_PENDATA->m_cap = wxCAP_ROUND ;
- M_PENDATA->m_nbDash = 0 ;
- M_PENDATA->m_dash = (wxDash*)NULL;
- M_PENDATA->m_hPen = 0 ;
+ case wxJOIN_MITER:
+ return PS_JOIN_MITER;
- RealizeResource();
+ default:
+ wxFAIL_MSG( _T("unknown pen join style") );
+ // fall through
+
+ case wxJOIN_ROUND:
+ return PS_JOIN_ROUND;
+ }
}
-bool wxPen::operator==(const wxPen& pen) const
+static int ConvertCapStyle(int cap)
{
- const wxPenRefData *penData = wx_static_cast(const wxPenRefData*, pen.m_refData);
+ switch ( cap )
+ {
+ case wxCAP_PROJECTING:
+ return PS_ENDCAP_SQUARE;
- // an invalid pen is only equal to another invalid pen
- return m_refData ? penData && *M_PENDATA == *penData : !penData;
+ case wxCAP_BUTT:
+ return PS_ENDCAP_FLAT;
+
+ default:
+ wxFAIL_MSG( _T("unknown pen cap style") );
+ // fall through
+
+ case wxCAP_ROUND:
+ return PS_ENDCAP_ROUND;
+ }
}
-bool wxPen::RealizeResource()
+#endif // wxHAVE_EXT_CREATE_PEN
+
+bool wxPenRefData::Alloc()
{
- if ( !M_PENDATA || M_PENDATA->m_hPen )
+ if ( m_hPen )
return false;
- if (M_PENDATA->m_style==wxTRANSPARENT)
+ if ( m_style == wxTRANSPARENT )
{
- M_PENDATA->m_hPen = (WXHPEN) ::GetStockObject(NULL_PEN);
+ m_hPen = (HPEN)::GetStockObject(NULL_PEN);
return true;
}
- static const int os = wxGetOsVersion();
- COLORREF ms_colour = M_PENDATA->m_colour.GetPixel();
+ const COLORREF col = m_colour.GetPixel();
- // Join style, Cap style, Pen Stippling
-#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+#ifdef wxHAVE_EXT_CREATE_PEN
// Only NT can display dashed or dotted lines with width > 1
+ static const int os = wxGetOsVersion();
if ( os != wxOS_WINDOWS_NT &&
- (M_PENDATA->m_style == wxDOT ||
- M_PENDATA->m_style == wxLONG_DASH ||
- M_PENDATA->m_style == wxSHORT_DASH ||
- M_PENDATA->m_style == wxDOT_DASH ||
- M_PENDATA->m_style == wxUSER_DASH) &&
- M_PENDATA->m_width > 1 )
+ (m_style == wxDOT ||
+ m_style == wxLONG_DASH ||
+ m_style == wxSHORT_DASH ||
+ m_style == wxDOT_DASH ||
+ m_style == wxUSER_DASH) &&
+ m_width > 1 )
{
- M_PENDATA->m_width = 1;
+ m_width = 1;
}
- if (M_PENDATA->m_join==wxJOIN_ROUND &&
- M_PENDATA->m_cap==wxCAP_ROUND &&
- M_PENDATA->m_style!=wxUSER_DASH &&
- M_PENDATA->m_style!=wxSTIPPLE &&
- M_PENDATA->m_width <= 1)
+ // check if it's a standard kind of pen which can be created with just
+ // CreatePen()
+ if ( m_join == wxJOIN_ROUND &&
+ m_cap == wxCAP_ROUND &&
+ m_style != wxUSER_DASH &&
+ m_style != wxSTIPPLE &&
+ (m_width <= 1 || m_style == wxSOLID) )
+#endif // !wxHAVE_EXT_CREATE_PEN
{
- M_PENDATA->m_hPen =
- (WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
- M_PENDATA->m_width,
- ms_colour );
+ m_hPen = ::CreatePen(ConvertPenStyle(m_style), m_width, col);
}
- else
+#ifdef wxHAVE_EXT_CREATE_PEN
+ else // need to use ExtCreatePen()
{
- DWORD ms_style = PS_GEOMETRIC | wx2msPenStyle(M_PENDATA->m_style);
-
- switch(M_PENDATA->m_join)
- {
- case wxJOIN_BEVEL: ms_style |= PS_JOIN_BEVEL; break;
- case wxJOIN_MITER: ms_style |= PS_JOIN_MITER; break;
- default:
- case wxJOIN_ROUND: ms_style |= PS_JOIN_ROUND; break;
- }
-
- switch(M_PENDATA->m_cap)
- {
- case wxCAP_PROJECTING: ms_style |= PS_ENDCAP_SQUARE; break;
- case wxCAP_BUTT: ms_style |= PS_ENDCAP_FLAT; break;
- default:
- case wxCAP_ROUND: ms_style |= PS_ENDCAP_ROUND; break;
- }
+ DWORD styleMSW = PS_GEOMETRIC |
+ ConvertPenStyle(m_style) |
+ ConvertJoinStyle(m_join) |
+ ConvertCapStyle(m_cap);
- LOGBRUSH logb;
-
- switch(M_PENDATA->m_style)
+ LOGBRUSH lb;
+ switch( m_style )
{
case wxSTIPPLE:
- logb.lbStyle = BS_PATTERN ;
- if (M_PENDATA->m_stipple.Ok())
- logb.lbHatch = (LONG)M_PENDATA->m_stipple.GetHBITMAP();
- else
- logb.lbHatch = (LONG)0;
+ lb.lbStyle = BS_PATTERN;
+ lb.lbHatch = (LONG)m_stipple.GetHBITMAP();
break;
+
case wxBDIAGONAL_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_BDIAGONAL;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_BDIAGONAL;
break;
+
case wxCROSSDIAG_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_DIAGCROSS;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_DIAGCROSS;
break;
+
case wxFDIAGONAL_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_FDIAGONAL;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_FDIAGONAL;
break;
+
case wxCROSS_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_CROSS;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_CROSS;
break;
+
case wxHORIZONTAL_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_HORIZONTAL;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_HORIZONTAL;
break;
+
case wxVERTICAL_HATCH:
- logb.lbStyle = BS_HATCHED;
- logb.lbHatch = HS_VERTICAL;
+ lb.lbStyle = BS_HATCHED;
+ lb.lbHatch = HS_VERTICAL;
break;
+
default:
- logb.lbStyle = BS_SOLID;
+ lb.lbStyle = BS_SOLID;
#ifdef __WXDEBUG__
- // this should be unnecessary (it's unused) but suppresses the Purify
- // messages about uninitialized memory read
- logb.lbHatch = 0;
+ // this should be unnecessary (it's unused) but suppresses the
+ // Purify messages about uninitialized memory read
+ lb.lbHatch = 0;
#endif
break;
}
- logb.lbColor = ms_colour;
+ lb.lbColor = col;
- wxMSWDash *real_dash;
- if (M_PENDATA->m_style==wxUSER_DASH && M_PENDATA->m_nbDash && M_PENDATA->m_dash)
+ DWORD *dash;
+ if ( m_style == wxUSER_DASH && m_nbDash && m_dash )
{
- real_dash = new wxMSWDash[M_PENDATA->m_nbDash];
- int rw = M_PENDATA->m_width > 1 ? M_PENDATA->m_width : 1;
- for ( int i = 0; i < M_PENDATA->m_nbDash; i++ )
- real_dash[i] = M_PENDATA->m_dash[i] * rw;
+ dash = new DWORD[m_nbDash];
+ int rw = m_width > 1 ? m_width : 1;
+ for ( int i = 0; i < m_nbDash; i++ )
+ dash[i] = m_dash[i] * rw;
}
else
{
- real_dash = (wxMSWDash*)NULL;
+ dash = NULL;
}
- M_PENDATA->m_hPen =
- (WXHPEN) ExtCreatePen( ms_style,
- M_PENDATA->m_width,
- &logb,
- M_PENDATA->m_style == wxUSER_DASH
- ? M_PENDATA->m_nbDash
- : 0,
- (LPDWORD)real_dash );
+ m_hPen = ::ExtCreatePen(styleMSW, m_width, &lb, m_nbDash, (LPDWORD)dash);
- delete [] real_dash;
+ delete [] dash;
}
-#else // WinCE
- M_PENDATA->m_hPen =
- (WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
- M_PENDATA->m_width,
- ms_colour );
-#endif // !WinCE/WinCE
+#endif // wxHAVE_EXT_CREATE_PEN
+
+ return m_hPen != 0;
+}
+
+bool wxPenRefData::Free()
+{
+ if ( !m_hPen )
+ return false;
+
+ ::DeleteObject(m_hPen);
+ m_hPen = 0;
+
+ return true;
+}
+
+WXHPEN wxPenRefData::GetHPEN() const
+{
+ if ( !m_hPen )
+ wx_const_cast(wxPenRefData *, this)->Alloc();
+
+ return (WXHPEN)m_hPen;
+}
+
+// ----------------------------------------------------------------------------
+// wxPen
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
+
+wxPen::wxPen(const wxColour& col, int width, int style)
+{
+ m_refData = new wxPenRefData(col, width, style);
+}
+
+wxPen::wxPen(const wxBitmap& stipple, int width)
+{
+ m_refData = new wxPenRefData(stipple, width);
+}
+
+bool wxPen::operator==(const wxPen& pen) const
+{
+ const wxPenRefData *
+ penData = wx_static_cast(const wxPenRefData *, pen.m_refData);
+
+ // an invalid pen is only equal to another invalid pen
+ return m_refData ? penData && *M_PENDATA == *penData : !penData;
+}
- return true;
+bool wxPen::RealizeResource()
+{
+ return M_PENDATA && M_PENDATA->Alloc();
}
WXHANDLE wxPen::GetResourceHandle() const
{
- if ( !M_PENDATA )
- return 0;
- else
- return (WXHANDLE)M_PENDATA->m_hPen;
+ return M_PENDATA ? M_PENDATA->GetHPEN() : 0;
}
bool wxPen::FreeResource(bool WXUNUSED(force))
{
- if (M_PENDATA && (M_PENDATA->m_hPen != 0))
- {
- DeleteObject((HPEN) M_PENDATA->m_hPen);
- M_PENDATA->m_hPen = 0;
- return true;
- }
- else return false;
+ return M_PENDATA && M_PENDATA->Free();
}
bool wxPen::IsFree() const
{
- return (M_PENDATA && M_PENDATA->m_hPen == 0);
+ return M_PENDATA && !M_PENDATA->HasHPEN();
}
wxObjectRefData* wxPen::CreateRefData() const
{
AllocExclusive();
- M_PENDATA->m_colour = col;
-
- RealizeResource();
+ M_PENDATA->SetColour(col);
}
void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
{
- AllocExclusive();
-
- M_PENDATA->m_colour.Set(r, g, b);
-
- RealizeResource();
+ SetColour(wxColour(r, g, b));
}
-void wxPen::SetWidth(int Width)
+void wxPen::SetWidth(int width)
{
AllocExclusive();
- M_PENDATA->m_width = Width;
-
- RealizeResource();
+ M_PENDATA->SetWidth(width);
}
-void wxPen::SetStyle(int Style)
+void wxPen::SetStyle(int style)
{
AllocExclusive();
- M_PENDATA->m_style = Style;
-
- RealizeResource();
+ M_PENDATA->SetStyle(style);
}
-void wxPen::SetStipple(const wxBitmap& Stipple)
+void wxPen::SetStipple(const wxBitmap& stipple)
{
AllocExclusive();
- M_PENDATA->m_stipple = Stipple;
- M_PENDATA->m_style = wxSTIPPLE;
-
- RealizeResource();
+ M_PENDATA->SetStipple(stipple);
}
-void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
+void wxPen::SetDashes(int nb_dashes, const wxDash *dash)
{
AllocExclusive();
- M_PENDATA->m_nbDash = nb_dashes;
- M_PENDATA->m_dash = (wxDash *)Dash;
-
- RealizeResource();
+ M_PENDATA->SetDashes(nb_dashes, dash);
}
-void wxPen::SetJoin(int Join)
+void wxPen::SetJoin(int join)
{
AllocExclusive();
- M_PENDATA->m_join = Join;
-
- RealizeResource();
+ M_PENDATA->SetJoin(join);
}
-void wxPen::SetCap(int Cap)
+void wxPen::SetCap(int cap)
{
AllocExclusive();
- M_PENDATA->m_cap = Cap;
-
- RealizeResource();
+ M_PENDATA->SetCap(cap);
}
wxColour& wxPen::GetColour() const
{
- return m_refData ? M_PENDATA->m_colour : wxNullColour;
+ return m_refData ? M_PENDATA->GetColour() : wxNullColour;
}
int wxPen::GetWidth() const
{
- return m_refData ? M_PENDATA->m_width : 0;
+ return m_refData ? M_PENDATA->GetWidth() : 0;
}
int wxPen::GetStyle() const
{
- return m_refData ? M_PENDATA->m_style : 0;
+ return m_refData ? M_PENDATA->GetStyle() : 0;
}
int wxPen::GetJoin() const
{
- return m_refData ? M_PENDATA->m_join : 0;
+ return m_refData ? M_PENDATA->GetJoin() : 0;
}
int wxPen::GetCap() const
{
- return m_refData ? M_PENDATA->m_cap : 0;
+ return m_refData ? M_PENDATA->GetCap() : 0;
}
int wxPen::GetDashes(wxDash** ptr) const
{
- *ptr = NULL;
- int count = 0;
- if (m_refData)
+ if ( !m_refData )
{
- *ptr = M_PENDATA->m_dash;
- count = M_PENDATA->m_nbDash;
+ *ptr = NULL;
+ return 0;
}
- return count;
+
+ *ptr = M_PENDATA->GetDash();
+ return M_PENDATA->GetDashCount();
}
wxDash* wxPen::GetDash() const
{
- wxDash* dash = NULL;
- if (m_refData)
- dash = M_PENDATA->m_dash;
- return dash;
+ return m_refData ? M_PENDATA->GetDash() : NULL;
}
int wxPen::GetDashCount() const
{
- return m_refData ? M_PENDATA->m_nbDash : 0;
+ return m_refData ? M_PENDATA->GetDashCount() : 0;
}
wxBitmap* wxPen::GetStipple() const
{
- wxBitmap* bitmap = NULL;
- if (m_refData)
- bitmap = &M_PENDATA->m_stipple;
- return bitmap;
-}
-
-int wx2msPenStyle(int wx_style)
-{
-#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
- switch (wx_style)
- {
- case wxDOT:
- return PS_DOT;
-
- case wxDOT_DASH:
- return PS_DASHDOT;
-
- case wxSHORT_DASH:
- case wxLONG_DASH:
- return PS_DASH;
-
- case wxTRANSPARENT:
- return PS_NULL;
-
- case wxUSER_DASH:
- return PS_USERSTYLE;
- }
-#else
- wxUnusedVar(wx_style);
-#endif
- return PS_SOLID;
+ return m_refData ? M_PENDATA->GetStipple() : NULL;
}
projects / wxWidgets.git / commitdiff
