contrib/src/ogl/bmpshape.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bmpshape.cpp
   3 // Purpose:     Bitmap shape class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "bmpshape.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include <wx/wx.h>
  25 #endif
  26
  27 #if wxUSE_PROLOGIO
  28 #include <wx/deprecated/wxexpr.h>
  29 #endif
  30
  31 #include "wx/ogl/ogl.h"
  32
  33
  34 /*
  35  * Bitmap object
  36  *
  37  */
  38
  39 IMPLEMENT_DYNAMIC_CLASS(wxBitmapShape, wxShape)
  40
  41 wxBitmapShape::wxBitmapShape():wxRectangleShape(100.0, 50.0)
  42 {
  43   m_filename = wxEmptyString;
  44 }
  45
  46 wxBitmapShape::~wxBitmapShape()
  47 {
  48 }
  49
  50 void wxBitmapShape::OnDraw(wxDC& dc)
  51 {
  52   if (!m_bitmap.Ok())
  53     return;
  54
  55   wxMemoryDC tempDC;
  56   tempDC.SelectObject(m_bitmap);
  57   double x, y;
  58   x = WXROUND(m_xpos - m_bitmap.GetWidth() / 2.0);
  59   y = WXROUND(m_ypos - m_bitmap.GetHeight() / 2.0);
  60   dc.Blit((long) x, (long) y, m_bitmap.GetWidth(), m_bitmap.GetHeight(), &tempDC, 0, 0);
  61 }
  62
  63 void wxBitmapShape::SetSize(double w, double h, bool WXUNUSED(recursive))
  64 {
  65   if (m_bitmap.Ok())
  66   {
  67     w = m_bitmap.GetWidth();
  68     h = m_bitmap.GetHeight();
  69   }
  70
  71   SetAttachmentSize(w, h);
  72
  73   m_width = w;
  74   m_height = h;
  75   SetDefaultRegionSize();
  76 }
  77
  78 #if wxUSE_PROLOGIO
  79 void wxBitmapShape::WriteAttributes(wxExpr *clause)
  80 {
  81   // Can't really save the bitmap; so instantiate the bitmap
  82   // at a higher level in the application, from a symbol library.
  83   wxRectangleShape::WriteAttributes(clause);
  84   clause->AddAttributeValueString(_T("filename"), m_filename);
  85 }
  86
  87 void wxBitmapShape::ReadAttributes(wxExpr *clause)
  88 {
  89   wxRectangleShape::ReadAttributes(clause);
  90   clause->GetAttributeValue(_T("filename"), m_filename);
  91 }
  92 #endif
  93
  94 // Does the copying for this object
  95 void wxBitmapShape::Copy(wxShape& copy)
  96 {
  97   wxRectangleShape::Copy(copy);
  98
  99   wxASSERT( copy.IsKindOf(CLASSINFO(wxBitmapShape)) ) ;
 100
 101   wxBitmapShape& bitmapCopy = (wxBitmapShape&) copy;
 102
 103   bitmapCopy.m_bitmap = m_bitmap;
 104   bitmapCopy.SetFilename(m_filename);
 105 }
 106
 107 void wxBitmapShape::SetBitmap(const wxBitmap& bm)
 108 {
 109   m_bitmap = bm;
 110   if (m_bitmap.Ok())
 111     SetSize(m_bitmap.GetWidth(), m_bitmap.GetHeight());
 112 }
 113
 114