| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: dcmemory.cpp |
| | 3 | // Purpose: wxMemoryDC class |
| | 4 | // Author: AUTHOR |
| | 5 | // Modified by: |
| | 6 | // Created: 01/02/97 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) AUTHOR |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifdef __GNUG__ |
| | 13 | #pragma implementation "dcmemory.h" |
| | 14 | #endif |
| | 15 | |
| | 16 | #include "wx/dcmemory.h" |
| | 17 | #include "wx/mac/private.h" |
| | 18 | |
| | 19 | //----------------------------------------------------------------------------- |
| | 20 | // wxMemoryDC |
| | 21 | //----------------------------------------------------------------------------- |
| | 22 | |
| | 23 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC) |
| | 24 | |
| | 25 | wxMemoryDC::wxMemoryDC(void) |
| | 26 | : m_selected() |
| | 27 | { |
| | 28 | m_ok = TRUE; |
| | 29 | SetBackground(*wxWHITE_BRUSH); |
| | 30 | SetBrush(*wxWHITE_BRUSH); |
| | 31 | SetPen(*wxBLACK_PEN); |
| | 32 | m_ok = FALSE; |
| | 33 | }; |
| | 34 | |
| | 35 | wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) ) |
| | 36 | : m_selected() |
| | 37 | { |
| | 38 | m_ok = TRUE; |
| | 39 | SetBackground(*wxWHITE_BRUSH); |
| | 40 | SetBrush(*wxWHITE_BRUSH); |
| | 41 | SetPen(*wxBLACK_PEN); |
| | 42 | m_ok = FALSE; |
| | 43 | }; |
| | 44 | |
| | 45 | wxMemoryDC::~wxMemoryDC() |
| | 46 | { |
| | 47 | if ( m_selected.Ok() ) |
| | 48 | { |
| | 49 | UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(m_selected.GetHBITMAP())) ); |
| | 50 | } |
| | 51 | }; |
| | 52 | |
| | 53 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) |
| | 54 | { |
| | 55 | if ( m_selected.Ok() ) |
| | 56 | { |
| | 57 | UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(m_selected.GetHBITMAP())) ); |
| | 58 | } |
| | 59 | m_selected = bitmap; |
| | 60 | if (m_selected.Ok()) |
| | 61 | { |
| | 62 | if ( m_selected.GetHBITMAP() ) |
| | 63 | { |
| | 64 | m_macPort = (GrafPtr) m_selected.GetHBITMAP() ; |
| | 65 | LockPixels( GetGWorldPixMap( (CGrafPtr) m_macPort ) ) ; |
| | 66 | wxMask * mask = bitmap.GetMask() ; |
| | 67 | if ( mask ) |
| | 68 | { |
| | 69 | m_macMask = mask->GetMaskBitmap() ; |
| | 70 | } |
| | 71 | SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , 0 , 0 , m_selected.GetWidth() , m_selected.GetHeight() ) ; |
| | 72 | CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle) m_macCurrentClipRgn ) ; |
| | 73 | m_ok = TRUE ; |
| | 74 | } |
| | 75 | else |
| | 76 | { |
| | 77 | m_ok = FALSE; |
| | 78 | } |
| | 79 | } |
| | 80 | else |
| | 81 | { |
| | 82 | m_ok = FALSE; |
| | 83 | } |
| | 84 | } |
| | 85 | |
| | 86 | void wxMemoryDC::DoGetSize( int *width, int *height ) const |
| | 87 | { |
| | 88 | if (m_selected.Ok()) |
| | 89 | { |
| | 90 | if (width) (*width) = m_selected.GetWidth(); |
| | 91 | if (height) (*height) = m_selected.GetHeight(); |
| | 92 | } |
| | 93 | else |
| | 94 | { |
| | 95 | if (width) (*width) = 0; |
| | 96 | if (height) (*height) = 0; |
| | 97 | } |
| | 98 | } |
| | 99 | |
| | 100 | |
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