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 #include <wx/deprecated/wxexpr.h>
  28
  29 #include <wx/ogl/basic.h>
  30 #include <wx/ogl/basicp.h>
  31 #include <wx/ogl/canvas.h>
  32 #include <wx/ogl/bmpshape.h>
  33 #include <wx/ogl/misc.h>
  34
  35 /*
  36  * Bitmap object
  37  *
  38  */
  39
  40 IMPLEMENT_DYNAMIC_CLASS(wxBitmapShape, wxShape)
  41
  42 wxBitmapShape::wxBitmapShape():wxRectangleShape(100.0, 50.0)
  43 {
  44   m_filename = wxEmptyString;
  45 }
  46
  47 wxBitmapShape::~wxBitmapShape()
  48 {
  49 }
  50
  51 void wxBitmapShape::OnDraw(wxDC& dc)
  52 {
  53   if (!m_bitmap.Ok())
  54     return;
  55
  56   wxMemoryDC tempDC;
  57   tempDC.SelectObject(m_bitmap);
  58   double x, y;
  59   x = WXROUND(m_xpos - m_bitmap.GetWidth() / 2.0);
  60   y = WXROUND(m_ypos - m_bitmap.GetHeight() / 2.0);
  61   dc.Blit((long) x, (long) y, m_bitmap.GetWidth(), m_bitmap.GetHeight(), &tempDC, 0, 0);
  62 }
  63
  64 void wxBitmapShape::SetSize(double w, double h, bool recursive)
  65 {
  66   if (m_bitmap.Ok())
  67   {
  68     w = m_bitmap.GetWidth();
  69     h = m_bitmap.GetHeight();
  70   }
  71
  72   SetAttachmentSize(w, h);
  73
  74   m_width = w;
  75   m_height = h;
  76   SetDefaultRegionSize();
  77 }
  78
  79 #if wxUSE_PROLOGIO
  80 void wxBitmapShape::WriteAttributes(wxExpr *clause)
  81 {
  82   // Can't really save the bitmap; so instantiate the bitmap
  83   // at a higher level in the application, from a symbol library.
  84   wxRectangleShape::WriteAttributes(clause);
  85   clause->AddAttributeValueString("filename", m_filename);
  86 }
  87
  88 void wxBitmapShape::ReadAttributes(wxExpr *clause)
  89 {
  90   wxRectangleShape::ReadAttributes(clause);
  91   clause->GetAttributeValue("filename", m_filename);
  92 }
  93 #endif
  94
  95 // Does the copying for this object
  96 void wxBitmapShape::Copy(wxShape& copy)
  97 {
  98   wxRectangleShape::Copy(copy);
  99
 100   wxASSERT( copy.IsKindOf(CLASSINFO(wxBitmapShape)) ) ;
 101
 102   wxBitmapShape& bitmapCopy = (wxBitmapShape&) copy;
 103
 104   bitmapCopy.m_bitmap = m_bitmap;
 105   bitmapCopy.SetFilename(m_filename);
 106 }
 107
 108 void wxBitmapShape::SetBitmap(const wxBitmap& bm)
 109 {
 110   m_bitmap = bm;
 111   if (m_bitmap.Ok())
 112     SetSize(m_bitmap.GetWidth(), m_bitmap.GetHeight());
 113 }
 114
 115