ad81651f00
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4950 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
444 lines
9.7 KiB
C++
444 lines
9.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: pen.cpp
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// Purpose: wxPen
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "pen.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <stdio.h>
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#include "wx/setup.h"
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#include "wx/list.h"
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#include "wx/utils.h"
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#include "wx/app.h"
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#include "wx/pen.h"
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#endif
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#include "wx/msw/private.h"
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#include "assert.h"
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IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
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wxPenRefData::wxPenRefData()
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{
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m_style = wxSOLID;
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m_width = 1;
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m_join = wxJOIN_ROUND ;
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m_cap = wxCAP_ROUND ;
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m_nbDash = 0 ;
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m_dash = 0 ;
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m_hPen = 0;
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}
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wxPenRefData::wxPenRefData(const wxPenRefData& data)
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{
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m_style = data.m_style;
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m_width = data.m_width;
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m_join = data.m_join;
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m_cap = data.m_cap;
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m_nbDash = data.m_nbDash;
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m_dash = data.m_dash;
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m_colour = data.m_colour;
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m_hPen = 0;
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}
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wxPenRefData::~wxPenRefData()
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{
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if ( m_hPen )
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::DeleteObject((HPEN) m_hPen);
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}
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// Pens
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wxPen::wxPen()
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{
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if (wxThePenList)
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wxThePenList->AddPen(this);
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}
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wxPen::~wxPen()
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{
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if (wxThePenList)
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wxThePenList->RemovePen(this);
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}
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// Should implement Create
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wxPen::wxPen(const wxColour& col, int Width, int Style)
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{
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m_refData = new wxPenRefData;
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M_PENDATA->m_colour = col;
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// M_PENDATA->m_stipple = NULL;
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M_PENDATA->m_width = Width;
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M_PENDATA->m_style = Style;
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M_PENDATA->m_join = wxJOIN_ROUND ;
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M_PENDATA->m_cap = wxCAP_ROUND ;
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M_PENDATA->m_nbDash = 0 ;
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M_PENDATA->m_dash = 0 ;
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M_PENDATA->m_hPen = 0 ;
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#ifndef __WIN32__
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// In Windows, only a pen of width = 1 can be dotted or dashed!
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if ((Style == wxDOT) || (Style == wxLONG_DASH) ||
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(Style == wxSHORT_DASH) || (Style == wxDOT_DASH) ||
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(Style == wxUSER_DASH))
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M_PENDATA->m_width = 1;
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#else
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/***
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DWORD vers = GetVersion() ;
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WORD high = HIWORD(vers) ; // high bit=0 for NT, 1 for Win32s
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// Win32s doesn't support wide dashed pens
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if ((high&0x8000)!=0)
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***/
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if (wxGetOsVersion()==wxWIN32S)
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{
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// In Windows, only a pen of width = 1 can be dotted or dashed!
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if ((Style == wxDOT) || (Style == wxLONG_DASH) ||
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(Style == wxSHORT_DASH) || (Style == wxDOT_DASH) ||
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(Style == wxUSER_DASH))
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M_PENDATA->m_width = 1;
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}
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#endif
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RealizeResource();
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if ( wxThePenList )
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wxThePenList->AddPen(this);
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}
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wxPen::wxPen(const wxBitmap& stipple, int Width)
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{
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m_refData = new wxPenRefData;
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// M_PENDATA->m_colour = col;
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M_PENDATA->m_stipple = stipple;
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M_PENDATA->m_width = Width;
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M_PENDATA->m_style = wxSTIPPLE;
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M_PENDATA->m_join = wxJOIN_ROUND ;
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M_PENDATA->m_cap = wxCAP_ROUND ;
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M_PENDATA->m_nbDash = 0 ;
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M_PENDATA->m_dash = 0 ;
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M_PENDATA->m_hPen = 0 ;
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RealizeResource();
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if (wxThePenList)
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wxThePenList->AddPen(this);
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}
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bool wxPen::RealizeResource()
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{
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if (M_PENDATA && (M_PENDATA->m_hPen == 0))
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{
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if (M_PENDATA->m_style==wxTRANSPARENT)
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{
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M_PENDATA->m_hPen = (WXHPEN) ::GetStockObject(NULL_PEN);
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return TRUE;
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}
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COLORREF ms_colour = 0;
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ms_colour = M_PENDATA->m_colour.GetPixel();
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// Join style, Cap style, Pen Stippling only on Win32.
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// Currently no time to find equivalent on Win3.1, sorry
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// [if such equiv exist!!]
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#ifdef __WIN32__
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if (M_PENDATA->m_join==wxJOIN_ROUND &&
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M_PENDATA->m_cap==wxCAP_ROUND &&
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M_PENDATA->m_style!=wxUSER_DASH &&
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M_PENDATA->m_style!=wxSTIPPLE &&
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M_PENDATA->m_width <= 1)
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{
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M_PENDATA->m_hPen =
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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M_PENDATA->m_width,
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ms_colour );
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}
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else
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{
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DWORD ms_style = PS_GEOMETRIC | wx2msPenStyle(M_PENDATA->m_style);
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switch(M_PENDATA->m_join)
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{
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case wxJOIN_BEVEL: ms_style |= PS_JOIN_BEVEL; break;
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case wxJOIN_MITER: ms_style |= PS_JOIN_MITER; break;
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default:
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case wxJOIN_ROUND: ms_style |= PS_JOIN_ROUND; break;
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}
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switch(M_PENDATA->m_cap)
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{
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case wxCAP_PROJECTING: ms_style |= PS_ENDCAP_SQUARE; break;
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case wxCAP_BUTT: ms_style |= PS_ENDCAP_FLAT; break;
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default:
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case wxCAP_ROUND: ms_style |= PS_ENDCAP_ROUND; break;
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}
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LOGBRUSH logb;
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switch(M_PENDATA->m_style)
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{
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case wxSTIPPLE:
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logb.lbStyle = BS_PATTERN ;
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if (M_PENDATA->m_stipple.Ok())
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logb.lbHatch = (LONG)M_PENDATA->m_stipple.GetHBITMAP();
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else
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logb.lbHatch = (LONG)0;
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break;
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case wxBDIAGONAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_BDIAGONAL;
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break;
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case wxCROSSDIAG_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_DIAGCROSS;
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break;
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case wxFDIAGONAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_FDIAGONAL;
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break;
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case wxCROSS_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_CROSS;
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break;
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case wxHORIZONTAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_HORIZONTAL;
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break;
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case wxVERTICAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_VERTICAL;
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break;
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default:
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logb.lbStyle = BS_SOLID;
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#ifdef __WXDEBUG__
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// this should be unnecessary (it's unused) but suppresses the Purigy
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// messages about uninitialized memory read
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logb.lbHatch = 0;
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#endif
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break;
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}
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logb.lbColor = ms_colour;
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wxDash *real_dash;
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if (M_PENDATA->m_style==wxUSER_DASH && M_PENDATA->m_nbDash && M_PENDATA->m_dash)
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{
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real_dash = new wxDash[M_PENDATA->m_nbDash];
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int i;
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for (i=0; i<M_PENDATA->m_nbDash; i++)
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real_dash[i] = M_PENDATA->m_dash[i] * M_PENDATA->m_width;
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}
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else
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{
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real_dash = 0;
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}
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// Win32s doesn't have ExtCreatePen function...
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if (wxGetOsVersion()==wxWINDOWS_NT || wxGetOsVersion()==wxWIN95)
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{
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M_PENDATA->m_hPen =
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(WXHPEN) ExtCreatePen( ms_style,
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M_PENDATA->m_width,
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&logb,
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M_PENDATA->m_style==wxUSER_DASH
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? M_PENDATA->m_nbDash
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: 0,
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(const DWORD*)real_dash );
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}
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else
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{
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M_PENDATA->m_hPen =
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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M_PENDATA->m_width,
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ms_colour );
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}
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if (real_dash)
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delete [] real_dash;
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}
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#else
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M_PENDATA->m_hPen =
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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M_PENDATA->m_width,
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ms_colour );
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#endif
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#ifdef WXDEBUG_CREATE
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if (M_PENDATA->m_hPen==0)
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wxError("Cannot create pen","Internal error") ;
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#endif
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return TRUE;
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}
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return FALSE;
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}
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WXHANDLE wxPen::GetResourceHandle()
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{
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if ( !M_PENDATA )
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return 0;
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else
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return (WXHANDLE)M_PENDATA->m_hPen;
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}
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bool wxPen::FreeResource(bool force)
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{
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if (M_PENDATA && (M_PENDATA->m_hPen != 0))
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{
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DeleteObject((HPEN) M_PENDATA->m_hPen);
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M_PENDATA->m_hPen = 0;
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return TRUE;
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}
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else return FALSE;
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}
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bool wxPen::IsFree() const
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{
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return (M_PENDATA && M_PENDATA->m_hPen == 0);
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}
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void wxPen::Unshare()
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{
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// Don't change shared data
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if (!m_refData)
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{
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m_refData = new wxPenRefData();
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}
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else
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{
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wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
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UnRef();
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m_refData = ref;
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}
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}
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void wxPen::SetColour(const wxColour& col)
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{
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Unshare();
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M_PENDATA->m_colour = col;
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RealizeResource();
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}
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void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
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{
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Unshare();
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M_PENDATA->m_colour.Set(r, g, b);
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RealizeResource();
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}
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void wxPen::SetWidth(int Width)
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{
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Unshare();
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M_PENDATA->m_width = Width;
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RealizeResource();
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}
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void wxPen::SetStyle(int Style)
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{
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Unshare();
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M_PENDATA->m_style = Style;
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RealizeResource();
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}
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void wxPen::SetStipple(const wxBitmap& Stipple)
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{
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Unshare();
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M_PENDATA->m_stipple = Stipple;
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M_PENDATA->m_style = wxSTIPPLE;
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RealizeResource();
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}
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void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
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{
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Unshare();
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M_PENDATA->m_nbDash = nb_dashes;
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M_PENDATA->m_dash = (wxDash *)Dash;
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RealizeResource();
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}
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void wxPen::SetJoin(int Join)
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{
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Unshare();
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M_PENDATA->m_join = Join;
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RealizeResource();
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}
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void wxPen::SetCap(int Cap)
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{
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Unshare();
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M_PENDATA->m_cap = Cap;
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RealizeResource();
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}
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int wx2msPenStyle(int wx_style)
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{
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int cstyle;
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switch (wx_style)
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{
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case wxDOT:
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cstyle = PS_DOT;
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break;
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case wxDOT_DASH:
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cstyle = PS_DASHDOT;
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break;
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case wxSHORT_DASH:
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case wxLONG_DASH:
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cstyle = PS_DASH;
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break;
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case wxTRANSPARENT:
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cstyle = PS_NULL;
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break;
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case wxUSER_DASH:
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#ifdef __WIN32__
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// Win32s doesn't have PS_USERSTYLE
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if (wxGetOsVersion()==wxWINDOWS_NT || wxGetOsVersion()==wxWIN95)
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cstyle = PS_USERSTYLE;
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else
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cstyle = PS_DOT; // We must make a choice... This is mine!
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#else
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cstyle = PS_DASH;
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#endif
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break;
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case wxSOLID:
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default:
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cstyle = PS_SOLID;
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break;
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}
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return cstyle;
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}
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