utils/ogl/src/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 #ifdef PROLOGIO
  28 #include <wx/wxexpr.h>
  29 #endif
  30
  31 #include "basic.h"
  32 #include "basicp.h"
  33 #include "canvas.h"
  34 #include "bmpshape.h"
  35 #include "misc.h"
  36
  37 /*
  38  * Bitmap object
  39  *
  40  */
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxBitmapShape, wxShape)
  43
  44 wxBitmapShape::wxBitmapShape():wxRectangleShape(100.0, 50.0)
  45 {
  46   m_filename = "";
  47 }
  48
  49 wxBitmapShape::~wxBitmapShape()
  50 {
  51 }
  52
  53 void wxBitmapShape::OnDraw(wxDC& dc)
  54 {
  55   if (!m_bitmap.Ok())
  56     return;
  57
  58   wxMemoryDC tempDC;
  59   tempDC.SelectObject(m_bitmap);
  60   double x, y;
  61   x = WXROUND(m_xpos - m_bitmap.GetWidth() / 2.0);
  62   y = WXROUND(m_ypos - m_bitmap.GetHeight() / 2.0);
  63   dc.Blit(x, y, m_bitmap.GetWidth(), m_bitmap.GetHeight(), &tempDC, 0, 0);
  64 }
  65
  66 void wxBitmapShape::SetSize(double w, double h, bool recursive)
  67 {
  68   if (m_bitmap.Ok())
  69   {
  70     w = m_bitmap.GetWidth();
  71     h = m_bitmap.GetHeight();
  72   }
  73
  74   SetAttachmentSize(w, h);
  75
  76   m_width = w;
  77   m_height = h;
  78   SetDefaultRegionSize();
  79 }
  80
  81 #ifdef PROLOGIO
  82 void wxBitmapShape::WriteAttributes(wxExpr *clause)
  83 {
  84   // Can't really save the bitmap; so instantiate the bitmap
  85   // at a higher level in the application, from a symbol library.
  86   wxRectangleShape::WriteAttributes(clause);
  87   clause->AddAttributeValueString("filename", m_filename);
  88 }
  89
  90 void wxBitmapShape::ReadAttributes(wxExpr *clause)
  91 {
  92   wxRectangleShape::ReadAttributes(clause);
  93   clause->GetAttributeValue("filename", m_filename);
  94 }
  95 #endif
  96
  97 // Does the copying for this object
  98 void wxBitmapShape::Copy(wxShape& copy)
  99 {
 100   wxRectangleShape::Copy(copy);
 101
 102   wxASSERT( copy.IsKindOf(CLASSINFO(wxBitmapShape)) ) ;
 103
 104   wxBitmapShape& bitmapCopy = (wxBitmapShape&) copy;
 105
 106   bitmapCopy.m_bitmap = m_bitmap;
 107   bitmapCopy.SetFilename(m_filename);
 108 }
 109
 110 void wxBitmapShape::SetBitmap(const wxBitmap& bm)
 111 {
 112   m_bitmap = bm;
 113   if (m_bitmap.Ok())
 114     SetSize(m_bitmap.GetWidth(), m_bitmap.GetHeight());
 115 }
 116
 117