| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk1/dcmemory.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #include "wx/gtk1/dcmemory.h" |
| 14 | |
| 15 | #include <gdk/gdk.h> |
| 16 | #include <gtk/gtk.h> |
| 17 | |
| 18 | //----------------------------------------------------------------------------- |
| 19 | // wxMemoryDCImpl |
| 20 | //----------------------------------------------------------------------------- |
| 21 | |
| 22 | IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl) |
| 23 | |
| 24 | void wxMemoryDCImpl::Init() |
| 25 | { |
| 26 | m_ok = false; |
| 27 | |
| 28 | m_cmap = gtk_widget_get_default_colormap(); |
| 29 | } |
| 30 | |
| 31 | wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxDC *WXUNUSED(dc)) |
| 32 | : wxWindowDCImpl(owner) |
| 33 | { |
| 34 | Init(); |
| 35 | } |
| 36 | |
| 37 | wxMemoryDCImpl::~wxMemoryDCImpl() |
| 38 | { |
| 39 | } |
| 40 | |
| 41 | void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap ) |
| 42 | { |
| 43 | Destroy(); |
| 44 | |
| 45 | m_selected = bitmap; |
| 46 | if (m_selected.IsOk()) |
| 47 | { |
| 48 | if (m_selected.GetPixmap()) |
| 49 | { |
| 50 | m_window = m_selected.GetPixmap(); |
| 51 | } |
| 52 | else |
| 53 | { |
| 54 | m_window = m_selected.GetBitmap(); |
| 55 | } |
| 56 | |
| 57 | m_isMemDC = true; |
| 58 | |
| 59 | SetUpDC(); |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | m_ok = false; |
| 64 | m_window = NULL; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | void wxMemoryDCImpl::SetPen( const wxPen& penOrig ) |
| 69 | { |
| 70 | wxPen pen( penOrig ); |
| 71 | if ( m_selected.IsOk() && |
| 72 | m_selected.GetBitmap() && |
| 73 | (pen != *wxTRANSPARENT_PEN) ) |
| 74 | { |
| 75 | pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE ); |
| 76 | } |
| 77 | |
| 78 | wxWindowDCImpl::SetPen( pen ); |
| 79 | } |
| 80 | |
| 81 | void wxMemoryDCImpl::SetBrush( const wxBrush& brushOrig ) |
| 82 | { |
| 83 | wxBrush brush( brushOrig ); |
| 84 | if ( m_selected.IsOk() && |
| 85 | m_selected.GetBitmap() && |
| 86 | (brush != *wxTRANSPARENT_BRUSH) ) |
| 87 | { |
| 88 | brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE); |
| 89 | } |
| 90 | |
| 91 | wxWindowDCImpl::SetBrush( brush ); |
| 92 | } |
| 93 | |
| 94 | void wxMemoryDCImpl::SetBackground( const wxBrush& brushOrig ) |
| 95 | { |
| 96 | wxBrush brush(brushOrig); |
| 97 | |
| 98 | if ( m_selected.IsOk() && |
| 99 | m_selected.GetBitmap() && |
| 100 | (brush != *wxTRANSPARENT_BRUSH) ) |
| 101 | { |
| 102 | brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE ); |
| 103 | } |
| 104 | |
| 105 | wxWindowDCImpl::SetBackground( brush ); |
| 106 | } |
| 107 | |
| 108 | void wxMemoryDCImpl::SetTextForeground( const wxColour& col ) |
| 109 | { |
| 110 | if ( m_selected.IsOk() && m_selected.GetBitmap() ) |
| 111 | { |
| 112 | wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE); |
| 113 | } |
| 114 | else |
| 115 | { |
| 116 | wxWindowDCImpl::SetTextForeground( col ); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | void wxMemoryDCImpl::SetTextBackground( const wxColour &col ) |
| 121 | { |
| 122 | if (m_selected.IsOk() && m_selected.GetBitmap()) |
| 123 | { |
| 124 | wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE ); |
| 125 | } |
| 126 | else |
| 127 | { |
| 128 | wxWindowDCImpl::SetTextBackground( col ); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const |
| 133 | { |
| 134 | if (m_selected.IsOk()) |
| 135 | { |
| 136 | if (width) (*width) = m_selected.GetWidth(); |
| 137 | if (height) (*height) = m_selected.GetHeight(); |
| 138 | } |
| 139 | else |
| 140 | { |
| 141 | if (width) (*width) = 0; |
| 142 | if (height) (*height) = 0; |
| 143 | } |
| 144 | } |