1/////////////////////////////////////////////////////////////////////////////
2// Name:        statpict.cpp
3// Purpose:     wxStaticPicture
4// Author:      Wade Brainerd (wadeb@wadeb.com)
5// Modified by:
6// Created:     2003-05-01
7// RCS-ID:
8// Copyright:   (c) Wade Brainerd
9// Licence:       wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/wxprec.h"
13#include "wx/defs.h"
14
15#include "wx/gizmos/statpict.h"
16#include "wx/dcclient.h"
17
18IMPLEMENT_DYNAMIC_CLASS(wxStaticPicture, wxControl)
19WXDLLIMPEXP_GIZMOS const wxChar * wxStaticPictureNameStr = wxT("staticPicture");
20
21/*
22 * wxStaticPicture
23 */
24
25BEGIN_EVENT_TABLE(wxStaticPicture, wxControl)
26    EVT_PAINT(wxStaticPicture::OnPaint)
27END_EVENT_TABLE()
28
29bool wxStaticPicture::Create(wxWindow *parent, wxWindowID id,
30           const wxBitmap& bitmap,
31           const wxPoint& pos,
32           const wxSize& s,
33           long style,
34           const wxString& name)
35{
36    SetName(name);
37
38    wxSize size = s ;
39    if ( bitmap.Ok() )
40    {
41        if ( size.x == wxDefaultCoord )
42            size.x = bitmap.GetWidth() ;
43        if ( size.y == wxDefaultCoord )
44            size.y = bitmap.GetHeight() ;
45    }
46
47    m_backgroundColour = parent->GetBackgroundColour() ;
48    m_foregroundColour = parent->GetForegroundColour() ;
49
50    Bitmap = bitmap;
51    Align = 0;
52    Scale = 0;
53    ScaleX = ScaleY = 1;
54
55#ifndef __WXMSW__
56    LastScaleX = LastScaleY = -1;
57    if ( Bitmap.Ok() )
58        OriginalImage = Bitmap.ConvertToImage();
59#endif
60
61    if ( id == wxID_ANY )
62        m_windowId = (int)NewControlId();
63    else
64        m_windowId = id;
65
66    m_windowStyle = style;
67
68    bool ret = wxControl::Create( parent, id, pos, size, style, wxDefaultValidator, name );
69
70    SetInitialSize( size ) ;
71
72    return ret;
73}
74
75void wxStaticPicture::SetBitmap( const wxBitmap& bmp )
76{
77    Bitmap = bmp;
78#ifndef __WXMSW__
79    if ( Bitmap.Ok() )
80        OriginalImage = Bitmap.ConvertToImage();
81    LastScaleX = LastScaleY = -1;
82#endif
83}
84
85void wxStaticPicture::OnPaint(wxPaintEvent& WXUNUSED(event))
86{
87    if ( !Bitmap.Ok() )
88        return;
89
90    wxPaintDC dc( this );
91    PrepareDC( dc );
92
93    wxSize sz = GetSize();
94    wxSize bmpsz( Bitmap.GetWidth(), Bitmap.GetHeight() );
95    float sx = 1.0f, sy = 1.0f;
96
97    if ( Scale & wxSCALE_UNIFORM )
98    {
99        float _sx = (float)sz.GetWidth() / (float)bmpsz.GetWidth();
100        float _sy = (float)sz.GetHeight() / (float)bmpsz.GetHeight();
101        sx = sy = _sx < _sy ? _sx : _sy;
102    }
103    else
104    if ( Scale & wxSCALE_CUSTOM )
105    {
106        sx = ScaleX;
107        sy = ScaleY;
108    }
109    else
110    {
111        if ( Scale & wxSCALE_HORIZONTAL )
112            sx = (float)sz.x/(float)bmpsz.x;
113        if ( Scale & wxSCALE_VERTICAL )
114            sy = (float)sz.y/(float)bmpsz.y;
115    }
116
117    bmpsz = wxSize( (int)(bmpsz.x*sx), (int)(bmpsz.y*sy) );
118
119    wxPoint pos( 0, 0 );
120
121    if ( Align & wxALIGN_CENTER_HORIZONTAL ) pos.x = (sz.x-bmpsz.x)/2;
122    else if ( Align & wxALIGN_RIGHT ) pos.x = sz.x-bmpsz.x;
123
124    if ( Align & wxALIGN_CENTER_VERTICAL ) pos.y = (sz.y-bmpsz.y)/2;
125    else if ( Align & wxALIGN_BOTTOM ) pos.y = sz.y-bmpsz.y;
126
127    if ( Scale )
128    {
129#ifdef __WXMSW__
130        double ux, uy;
131        dc.GetUserScale( &ux, &uy );
132        dc.SetUserScale( ux*sx, uy*sy );
133        dc.DrawBitmap( Bitmap, (int)((float)pos.x/sx), (int)((float)pos.y/sy) );
134        dc.SetUserScale( ux, uy );
135#else
136        if ( LastScaleX != sx || LastScaleY != sy )
137        {
138            LastScaleX = sx;
139            LastScaleY = sy;
140            ScaledBitmap = wxBitmap( OriginalImage.Scale( bmpsz.x, bmpsz.y ) );
141        }
142        dc.DrawBitmap( ScaledBitmap, pos.x, pos.y );
143#endif
144    }
145    else
146        dc.DrawBitmap( Bitmap, pos.x, pos.y );
147}
148
149