fee0429537
I think requiring GTK 1.0.4 is enough (not 1.0.6) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@935 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
559 lines
13 KiB
C++
559 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: bitmap.cpp
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// Purpose:
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// Author: Robert Roebling
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "bitmap.h"
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#endif
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#include "wx/bitmap.h"
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#include "wx/icon.h"
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#include "gdk/gdkprivate.h"
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#include "gdk/gdkx.h"
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//-----------------------------------------------------------------------------
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// wxMask
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
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wxMask::wxMask(void)
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{
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m_bitmap = (GdkBitmap *) NULL;
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}
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wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
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{
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}
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wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
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{
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}
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wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
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{
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}
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wxMask::~wxMask(void)
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{
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if (m_bitmap) gdk_bitmap_unref( m_bitmap );
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}
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GdkBitmap *wxMask::GetBitmap(void) const
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{
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return m_bitmap;
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}
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//-----------------------------------------------------------------------------
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// wxBitmap
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//-----------------------------------------------------------------------------
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class wxBitmapRefData: public wxObjectRefData
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{
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public:
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wxBitmapRefData(void);
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~wxBitmapRefData(void);
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GdkPixmap *m_pixmap;
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GdkBitmap *m_bitmap;
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wxMask *m_mask;
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int m_width;
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int m_height;
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int m_bpp;
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wxPalette *m_palette;
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};
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wxBitmapRefData::wxBitmapRefData(void)
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{
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m_pixmap = (GdkPixmap *) NULL;
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m_bitmap = (GdkBitmap *) NULL;
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m_mask = (wxMask *) NULL;
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m_width = 0;
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m_height = 0;
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m_bpp = 0;
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m_palette = (wxPalette *) NULL;
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}
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wxBitmapRefData::~wxBitmapRefData(void)
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{
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if (m_pixmap) gdk_pixmap_unref( m_pixmap );
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if (m_bitmap) gdk_bitmap_unref( m_bitmap );
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if (m_mask) delete m_mask;
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if (m_palette) delete m_palette;
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}
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//-----------------------------------------------------------------------------
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#define M_BMPDATA ((wxBitmapRefData *)m_refData)
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IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
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wxBitmap::wxBitmap(void)
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{
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( int width, int height, int depth )
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{
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wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
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wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )
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m_refData = new wxBitmapRefData();
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GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
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M_BMPDATA->m_mask = (wxMask *) NULL;
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M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
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M_BMPDATA->m_width = width;
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M_BMPDATA->m_height = height;
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M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( char **bits )
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{
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wxCHECK_RET( bits != NULL, "invalid bitmap data" )
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m_refData = new wxBitmapRefData();
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GdkBitmap *mask = (GdkBitmap*) NULL;
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GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
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M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
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if (mask)
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{
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M_BMPDATA->m_mask = new wxMask();
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M_BMPDATA->m_mask->m_bitmap = mask;
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}
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gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
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M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( const wxBitmap& bmp )
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{
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Ref( bmp );
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( const wxBitmap* bmp )
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{
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if (bmp) Ref( *bmp );
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( const wxString &filename, int type )
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{
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LoadFile( filename, type );
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
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{
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m_refData = new wxBitmapRefData();
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M_BMPDATA->m_mask = (wxMask *) NULL;
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M_BMPDATA->m_bitmap =
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gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
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M_BMPDATA->m_width = width;
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M_BMPDATA->m_height = height;
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M_BMPDATA->m_bpp = 1;
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::~wxBitmap(void)
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{
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if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
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}
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wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
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{
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if (*this == bmp) return (*this);
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Ref( bmp );
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return *this;
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}
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bool wxBitmap::operator == ( const wxBitmap& bmp )
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{
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return m_refData == bmp.m_refData;
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}
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bool wxBitmap::operator != ( const wxBitmap& bmp )
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{
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return m_refData != bmp.m_refData;
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}
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bool wxBitmap::Ok(void) const
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{
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return (m_refData != NULL);
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}
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int wxBitmap::GetHeight(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return -1;
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}
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return M_BMPDATA->m_height;
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}
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int wxBitmap::GetWidth(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return -1;
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}
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return M_BMPDATA->m_width;
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}
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int wxBitmap::GetDepth(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return -1;
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}
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return M_BMPDATA->m_bpp;
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}
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void wxBitmap::SetHeight( int height )
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{
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if (!Ok()) return;
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wxFAIL_MSG( "wxBitmap::SetHeight not implemented" );
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M_BMPDATA->m_height = height;
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}
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void wxBitmap::SetWidth( int width )
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{
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if (!Ok()) return;
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wxFAIL_MSG( "wxBitmap::SetWidth not implemented" );
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M_BMPDATA->m_width = width;
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}
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void wxBitmap::SetDepth( int depth )
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{
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if (!Ok()) return;
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wxFAIL_MSG( "wxBitmap::SetDepth not implemented" );
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M_BMPDATA->m_bpp = depth;
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}
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wxMask *wxBitmap::GetMask(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return (wxMask *) NULL;
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}
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return M_BMPDATA->m_mask;
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}
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void wxBitmap::SetMask( wxMask *mask )
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return;
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}
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if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
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M_BMPDATA->m_mask = mask;
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}
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bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), int WXUNUSED(type),
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wxPalette *WXUNUSED(palette) )
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return FALSE;
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}
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return FALSE;
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}
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bool wxBitmap::LoadFile( const wxString &WXUNUSED(name), int WXUNUSED(type) )
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return FALSE;
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}
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return FALSE;
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}
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wxPalette *wxBitmap::GetPalette(void) const
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{
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if (!Ok()) return (wxPalette *) NULL;
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return M_BMPDATA->m_palette;
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}
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GdkPixmap *wxBitmap::GetPixmap(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return (GdkPixmap *) NULL;
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}
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return M_BMPDATA->m_pixmap;
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}
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GdkBitmap *wxBitmap::GetBitmap(void) const
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{
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return (GdkBitmap *) NULL;
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}
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return M_BMPDATA->m_bitmap;
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}
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wxBitmap::wxBitmap( const wxImage &image )
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{
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if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
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if (!image.Ok()) return;
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m_refData = new wxBitmapRefData();
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M_BMPDATA->m_height = image.GetHeight();
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M_BMPDATA->m_width = image.GetWidth();
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int width = image.GetWidth();
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int height = image.GetHeight();
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// Create picture
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GdkImage *data_image =
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gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
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M_BMPDATA->m_pixmap =
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gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 );
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// Create mask
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GdkImage *mask_image = (GdkImage*) NULL;
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if (image.HasMask())
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{
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unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
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mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
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M_BMPDATA->m_mask = new wxMask();
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M_BMPDATA->m_mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
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}
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// Retrieve depth
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M_BMPDATA->m_bpp = data_image->depth;
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int render_depth = 8;
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if (M_BMPDATA->m_bpp > 8) render_depth = M_BMPDATA->m_bpp;
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// Render
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enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
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byte_order b_o;
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if (render_depth >= 24)
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{
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GdkVisual *visual = gdk_visual_get_system();
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if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
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else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
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else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
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else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
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else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
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else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
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}
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int r_mask = image.GetMaskRed();
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int g_mask = image.GetMaskGreen();
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int b_mask = image.GetMaskBlue();
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unsigned char* data = image.GetData();
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int index = 0;
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for (int y = 0; y < height; y++)
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for (int x = 0; x < width; x++)
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{
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int r = data[index];
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index++;
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int g = data[index];
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index++;
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int b = data[index];
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index++;
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if (image.HasMask())
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{
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if ((r == r_mask) && (b = b_mask) && (g = g_mask))
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gdk_image_put_pixel( mask_image, x, y, 0 );
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else
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gdk_image_put_pixel( mask_image, x, y, 1 );
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}
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switch (render_depth)
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{
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case 8:
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{
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GdkColormap *cmap = gtk_widget_get_default_colormap();
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GdkColor *colors = cmap->colors;
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int max = 3 * (65536);
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int index = -1;
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for (int i = 0; i < cmap->size; i++)
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{
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int rdiff = (r << 8) - colors[i].red;
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int gdiff = (g << 8) - colors[i].green;
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int bdiff = (b << 8) - colors[i].blue;
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int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
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if (sum < max) { index = i; max = sum; }
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}
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gdk_image_put_pixel( data_image, x, y, index );
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break;
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}
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case 15:
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{
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guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
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gdk_image_put_pixel( data_image, x, y, pixel );
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break;
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}
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case 16:
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{
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guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
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gdk_image_put_pixel( data_image, x, y, pixel );
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break;
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}
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case 32:
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case 24:
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{
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guint32 pixel = 0;
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switch (b_o)
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{
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case RGB: pixel = (r << 16) | (g << 8) | b; break;
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case RBG: pixel = (r << 16) | (b << 8) | g; break;
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case BRG: pixel = (b << 16) | (r << 8) | g; break;
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case BGR: pixel = (b << 16) | (g << 8) | r; break;
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case GRB: pixel = (g << 16) | (r << 8) | b; break;
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case GBR: pixel = (g << 16) | (b << 8) | r; break;
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}
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gdk_image_put_pixel( data_image, x, y, pixel );
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}
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default: break;
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}
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}
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// Blit picture
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GdkGC *data_gc = gdk_gc_new( M_BMPDATA->m_pixmap );
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gdk_draw_image( M_BMPDATA->m_pixmap, data_gc, data_image, 0, 0, 0, 0, width, height );
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gdk_image_destroy( data_image );
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gdk_gc_unref( data_gc );
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// Blit mask
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if (image.HasMask())
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{
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GdkGC *mask_gc = gdk_gc_new( M_BMPDATA->m_mask->m_bitmap );
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gdk_draw_image( M_BMPDATA->m_mask->m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, width, height );
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gdk_image_destroy( mask_image );
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gdk_gc_unref( mask_gc );
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}
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}
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wxImage wxBitmap::ConvertToImage() const
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{
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wxImage image;
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if (!Ok())
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{
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wxFAIL_MSG( "invalid bitmap" );
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return image;
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}
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GdkImage *gdk_image = gdk_image_get( M_BMPDATA->m_pixmap, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height );
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if (!gdk_image) return image;
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image.Create( M_BMPDATA->m_width, M_BMPDATA->m_height );
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char unsigned *data = image.GetData();
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int bpp = gdk_image->bpp;
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GdkColormap *cmap = gtk_widget_get_default_colormap();
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long pos = 0;
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for (int j = 0; j < M_BMPDATA->m_height; j++)
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{
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for (int i = 0; i < M_BMPDATA->m_width; i++)
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{
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int pixel = gdk_image_get_pixel( gdk_image, i, j );
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if (bpp <= 8)
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{
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data[pos] = cmap->colors[pixel].red >> 8;
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data[pos+1] = cmap->colors[pixel].green >> 8;
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data[pos+2] = cmap->colors[pixel].blue >> 8;
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} else if (bpp == 15)
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{
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data[pos] = (pixel >> 7) & 0xf8;
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data[pos+1] = (pixel >> 3) & 0xf8;
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data[pos+2] = (pixel << 3) & 0xf8;
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} else if (bpp == 16)
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{
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data[pos] = (pixel >> 8) & 0xf8;
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data[pos+1] = (pixel >> 3) & 0xfc;
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data[pos+2] = (pixel << 3) & 0xf8;
|
|
} else
|
|
{
|
|
data[pos] = (pixel >> 16) & 0xff;
|
|
data[pos+1] = (pixel >> 8) & 0xff;
|
|
data[pos+2] = pixel & 0xff;
|
|
}
|
|
|
|
pos += 3;
|
|
}
|
|
}
|
|
|
|
gdk_image_destroy( gdk_image );
|
|
|
|
return image;
|
|
}
|
|
|
|
|
|
|