src/gtk1/bitmap.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        bitmap.cpp
// Purpose:
// Author:      Robert Roebling
// RCS-ID:      $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "bitmap.h"
#endif

#include "wx/bitmap.h"
#include "wx/icon.h"
#include "wx/filefn.h"
#include "wx/image.h"
#include "wx/dcmemory.h"

#include <gdk/gdk.h>
#include <gtk/gtk.h>

//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------

extern GtkWidget *wxRootWindow;

//-----------------------------------------------------------------------------
// wxMask
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)

wxMask::wxMask()
{
    m_bitmap = (GdkBitmap *) NULL;
}

wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
{
    m_bitmap = (GdkBitmap *) NULL;
    Create( bitmap, colour );
}

wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
{
    m_bitmap = (GdkBitmap *) NULL;
    Create( bitmap, paletteIndex );
}

wxMask::wxMask( const wxBitmap& bitmap )
{
    m_bitmap = (GdkBitmap *) NULL;
    Create( bitmap );
}

wxMask::~wxMask()
{
    if (m_bitmap)
        gdk_bitmap_unref( m_bitmap );
}

bool wxMask::Create( const wxBitmap& bitmap,
                     const wxColour& colour )
{
    if (m_bitmap)
    {
        gdk_bitmap_unref( m_bitmap );
        m_bitmap = (GdkBitmap*) NULL;
    }

    wxImage image( bitmap );
    if (!image.Ok()) return FALSE;

    m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 );
    GdkGC *gc = gdk_gc_new( m_bitmap );

    GdkColor color;
    color.red = 65000;
    color.green = 65000;
    color.blue = 65000;
    color.pixel = 1;
    gdk_gc_set_foreground( gc, &color );
    gdk_gc_set_fill( gc, GDK_SOLID );
    gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );

    unsigned char *data = image.GetData();
    int index = 0;

    unsigned char red = colour.Red();
    unsigned char green = colour.Green();
    unsigned char blue = colour.Blue();

    GdkVisual *visual = gdk_visual_get_system();
    int bpp = visual->depth;
    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
    if (bpp == 15)
    {
        red = red & 0xf8;
        blue = blue & 0xf8;
        green = green & 0xf8;
    }
    if (bpp == 16)
    {
        red = red & 0xf8;
        blue = blue & 0xfc;
        green = green & 0xf8;
    }

    color.red = 0;
    color.green = 0;
    color.blue = 0;
    color.pixel = 0;
    gdk_gc_set_foreground( gc, &color );

    for (int j = 0; j < image.GetHeight(); j++)
    {
        int start_x = -1;
        int i;
        for (i = 0; i < image.GetWidth(); i++)
        {
            if ((data[index] == red) &&
                (data[index+1] == green) &&
                (data[index+2] == blue))
            {
                if (start_x == -1)
                start_x = i;
            }
            else
            {
                if (start_x != -1)
                {
                    gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
                    start_x = -1;
                }
            }
            index += 3;
        }
        if (start_x != -1)
            gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
    }

    gdk_gc_unref( gc );

    return TRUE;
}

bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
                     int WXUNUSED(paletteIndex) )
{
    if (m_bitmap)
    {
        gdk_bitmap_unref( m_bitmap );
        m_bitmap = (GdkBitmap*) NULL;
    }

    wxFAIL_MSG( wxT("not implemented") );

    return FALSE;
}

bool wxMask::Create( const wxBitmap& bitmap )
{
    if (m_bitmap)
    {
        gdk_bitmap_unref( m_bitmap );
        m_bitmap = (GdkBitmap*) NULL;
    }

    if (!bitmap.Ok()) return FALSE;

    wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );

    m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );

    if (!m_bitmap) return FALSE;

    GdkGC *gc = gdk_gc_new( m_bitmap );

    gdk_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );

    gdk_gc_unref( gc );

    return TRUE;
}

GdkBitmap *wxMask::GetBitmap() const
{
    return m_bitmap;
}

//-----------------------------------------------------------------------------
// wxBitmap
//-----------------------------------------------------------------------------

class wxBitmapRefData: public wxObjectRefData
{
public:
    wxBitmapRefData();
    ~wxBitmapRefData();

    GdkPixmap      *m_pixmap;
    GdkBitmap      *m_bitmap;
    wxMask         *m_mask;
    int             m_width;
    int             m_height;
    int             m_bpp;
    wxPalette      *m_palette;
};

wxBitmapRefData::wxBitmapRefData()
{
    m_pixmap = (GdkPixmap *) NULL;
    m_bitmap = (GdkBitmap *) NULL;
    m_mask = (wxMask *) NULL;
    m_width = 0;
    m_height = 0;
    m_bpp = 0;
    m_palette = (wxPalette *) NULL;
}

wxBitmapRefData::~wxBitmapRefData()
{
    if (m_pixmap) gdk_pixmap_unref( m_pixmap );
    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
    if (m_mask) delete m_mask;
    if (m_palette) delete m_palette;
}

//-----------------------------------------------------------------------------

#define M_BMPDATA ((wxBitmapRefData *)m_refData)

IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)

wxBitmap::wxBitmap()
{
    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}

wxBitmap::wxBitmap( int width, int height, int depth )
{
    wxCHECK_RET( (width > 0) && (height > 0), wxT("invalid bitmap size") )

    if (depth == -1) depth = gdk_window_get_visual( wxRootWindow->window )->depth;

    wxCHECK_RET( (depth ==  gdk_window_get_visual( wxRootWindow->window )->depth) ||
                 (depth == 1), wxT("invalid bitmap depth") )

    m_refData = new wxBitmapRefData();
    M_BMPDATA->m_mask = (wxMask *) NULL;
    M_BMPDATA->m_width = width;
    M_BMPDATA->m_height = height;
    if (depth == 1)
    {
        M_BMPDATA->m_bitmap = gdk_pixmap_new( wxRootWindow->window, width, height, 1 );
        M_BMPDATA->m_bpp = 1;
    }
    else
    {
        M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
        M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;
    }

    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}

bool wxBitmap::CreateFromXpm( const char **bits )
{
    wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )

    m_refData = new wxBitmapRefData();

    GdkBitmap *mask = (GdkBitmap*) NULL;

    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );

    wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );

    if (mask)
    {
        M_BMPDATA->m_mask = new wxMask();
        M_BMPDATA->m_mask->m_bitmap = mask;
    }

    gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );

    M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;  // ?
    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

    return TRUE;
}

wxBitmap::wxBitmap( const wxBitmap& bmp )
{
    Ref( bmp );

    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}

wxBitmap::wxBitmap( const wxString &filename, int type )
{
    LoadFile( filename, type );

    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}

wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
{
    m_refData = new wxBitmapRefData();

    M_BMPDATA->m_mask = (wxMask *) NULL;
    M_BMPDATA->m_bitmap =
      gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );
    M_BMPDATA->m_width = width;
    M_BMPDATA->m_height = height;
    M_BMPDATA->m_bpp = 1;

    wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );

    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}

wxBitmap::~wxBitmap()
{
    if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
}

wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
{
    if (*this == bmp) return (*this);
    Ref( bmp );
    return *this;
}

bool wxBitmap::operator == ( const wxBitmap& bmp )
{
    return m_refData == bmp.m_refData;
}

bool wxBitmap::operator != ( const wxBitmap& bmp )
{
    return m_refData != bmp.m_refData;
}

bool wxBitmap::Ok() const
{
    return (m_refData != NULL);
}

int wxBitmap::GetHeight() const
{
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

    return M_BMPDATA->m_height;
}

int wxBitmap::GetWidth() const
{
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

    return M_BMPDATA->m_width;
}

int wxBitmap::GetDepth() const
{
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

    return M_BMPDATA->m_bpp;
}

wxMask *wxBitmap::GetMask() const
{
    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );

    return M_BMPDATA->m_mask;
}

void wxBitmap::SetMask( wxMask *mask )
{
    wxCHECK_RET( Ok(), wxT("invalid bitmap") );

    if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;

    M_BMPDATA->m_mask = mask;
}

wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
    wxCHECK_MSG( Ok() &&
                 (rect.x >= 0) && (rect.y >= 0) &&
                 (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );

    wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );

    if (ret.GetPixmap())
    {
        GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
        gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
        gdk_gc_destroy( gc );
    }
    else
    {
        GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
        gdk_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
        gdk_gc_destroy( gc );
    }

    if (GetMask())
    {
        wxMask *mask = new wxMask;
        mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 );

        GdkGC *gc = gdk_gc_new( mask->m_bitmap );
        gdk_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
        gdk_gc_destroy( gc );

        ret.SetMask( mask );
    }

    return ret;
}

bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
{
    wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );

    // Try to save the bitmap via wxImage handlers:
    {
        wxImage image( *this );
        if (image.Ok()) return image.SaveFile( name, type );
    }

    return FALSE;
}

bool wxBitmap::LoadFile( const wxString &name, int type )
{
    UnRef();

    if (!wxFileExists(name)) return FALSE;

    if (type == wxBITMAP_TYPE_XPM)
    {
        m_refData = new wxBitmapRefData();

        GdkBitmap *mask = (GdkBitmap*) NULL;

        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() );

        if (mask)
        {
           M_BMPDATA->m_mask = new wxMask();
           M_BMPDATA->m_mask->m_bitmap = mask;
        }

        gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
        M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;
    }
    else // try if wxImage can load it
    {
        wxImage image;
        if (!image.LoadFile( name, type )) return FALSE;
        if (image.Ok()) *this = image.ConvertToBitmap();
        else return FALSE;
    }

    return TRUE;
}

wxPalette *wxBitmap::GetPalette() const
{
    if (!Ok()) return (wxPalette *) NULL;

    return M_BMPDATA->m_palette;
}

void wxBitmap::SetHeight( int height )
{
    if (!m_refData) m_refData = new wxBitmapRefData();

    M_BMPDATA->m_height = height;
}

void wxBitmap::SetWidth( int width )
{
    if (!m_refData) m_refData = new wxBitmapRefData();

    M_BMPDATA->m_width = width;
}

void wxBitmap::SetDepth( int depth )
{
    if (!m_refData) m_refData = new wxBitmapRefData();

    M_BMPDATA->m_bpp = depth;
}

void wxBitmap::SetPixmap( GdkPixmap *pixmap )
{
    if (!m_refData) m_refData = new wxBitmapRefData();

    M_BMPDATA->m_pixmap = pixmap;
}

void wxBitmap::SetBitmap( GdkPixmap *bitmap )
{
    if (!m_refData) m_refData = new wxBitmapRefData();

    M_BMPDATA->m_bitmap = bitmap;
}

GdkPixmap *wxBitmap::GetPixmap() const
{
    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );

    return M_BMPDATA->m_pixmap;
}

GdkBitmap *wxBitmap::GetBitmap() const
{
    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );

    return M_BMPDATA->m_bitmap;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: bitmap.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "bitmap.h"
	12	#endif
	13
	14	#include "wx/bitmap.h"
	15	#include "wx/icon.h"
	16	#include "wx/filefn.h"
	17	#include "wx/image.h"
	18	#include "wx/dcmemory.h"
	19
	20	#include <gdk/gdk.h>
	21	#include <gtk/gtk.h>
	22
	23	//-----------------------------------------------------------------------------
	24	// data
	25	//-----------------------------------------------------------------------------
	26
	27	extern GtkWidget *wxRootWindow;
	28
	29	//-----------------------------------------------------------------------------
	30	// wxMask
	31	//-----------------------------------------------------------------------------
	32
	33	IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
	34
	35	wxMask::wxMask()
	36	{
	37	m_bitmap = (GdkBitmap *) NULL;
	38	}
	39
	40	wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
	41	{
	42	m_bitmap = (GdkBitmap *) NULL;
	43	Create( bitmap, colour );
	44	}
	45
	46	wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
	47	{
	48	m_bitmap = (GdkBitmap *) NULL;
	49	Create( bitmap, paletteIndex );
	50	}
	51
	52	wxMask::wxMask( const wxBitmap& bitmap )
	53	{
	54	m_bitmap = (GdkBitmap *) NULL;
	55	Create( bitmap );
	56	}
	57
	58	wxMask::~wxMask()
	59	{
	60	if (m_bitmap)
	61	gdk_bitmap_unref( m_bitmap );
	62	}
	63
	64	bool wxMask::Create( const wxBitmap& bitmap,
	65	const wxColour& colour )
	66	{
	67	if (m_bitmap)
	68	{
	69	gdk_bitmap_unref( m_bitmap );
	70	m_bitmap = (GdkBitmap*) NULL;
	71	}
	72
	73	wxImage image( bitmap );
	74	if (!image.Ok()) return FALSE;
	75
	76	m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 );
	77	GdkGC *gc = gdk_gc_new( m_bitmap );
	78
	79	GdkColor color;
	80	color.red = 65000;
	81	color.green = 65000;
	82	color.blue = 65000;
	83	color.pixel = 1;
	84	gdk_gc_set_foreground( gc, &color );
	85	gdk_gc_set_fill( gc, GDK_SOLID );
	86	gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
	87
	88	unsigned char *data = image.GetData();
	89	int index = 0;
	90
	91	unsigned char red = colour.Red();
	92	unsigned char green = colour.Green();
	93	unsigned char blue = colour.Blue();
	94
	95	GdkVisual *visual = gdk_visual_get_system();
	96	int bpp = visual->depth;
	97	if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
	98	if (bpp == 15)
	99	{
	100	red = red & 0xf8;
	101	blue = blue & 0xf8;
	102	green = green & 0xf8;
	103	}
	104	if (bpp == 16)
	105	{
	106	red = red & 0xf8;
	107	blue = blue & 0xfc;
	108	green = green & 0xf8;
	109	}
	110
	111	color.red = 0;
	112	color.green = 0;
	113	color.blue = 0;
	114	color.pixel = 0;
	115	gdk_gc_set_foreground( gc, &color );
	116
	117	for (int j = 0; j < image.GetHeight(); j++)
	118	{
	119	int start_x = -1;
	120	int i;
	121	for (i = 0; i < image.GetWidth(); i++)
	122	{
	123	if ((data[index] == red) &&
	124	(data[index+1] == green) &&
	125	(data[index+2] == blue))
	126	{
	127	if (start_x == -1)
	128	start_x = i;
	129	}
	130	else
	131	{
	132	if (start_x != -1)
	133	{
	134	gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
	135	start_x = -1;
	136	}
	137	}
	138	index += 3;
	139	}
	140	if (start_x != -1)
	141	gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
	142	}
	143
	144	gdk_gc_unref( gc );
	145
	146	return TRUE;
	147	}
	148
	149	bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
	150	int WXUNUSED(paletteIndex) )
	151	{
	152	if (m_bitmap)
	153	{
	154	gdk_bitmap_unref( m_bitmap );
	155	m_bitmap = (GdkBitmap*) NULL;
	156	}
	157
	158	wxFAIL_MSG( wxT("not implemented") );
	159
	160	return FALSE;
	161	}
	162
	163	bool wxMask::Create( const wxBitmap& bitmap )
	164	{
	165	if (m_bitmap)
	166	{
	167	gdk_bitmap_unref( m_bitmap );
	168	m_bitmap = (GdkBitmap*) NULL;
	169	}
	170
	171	if (!bitmap.Ok()) return FALSE;
	172
	173	wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
	174
	175	m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
	176
	177	if (!m_bitmap) return FALSE;
	178
	179	GdkGC *gc = gdk_gc_new( m_bitmap );
	180
	181	gdk_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
	182
	183	gdk_gc_unref( gc );
	184
	185	return TRUE;
	186	}
	187
	188	GdkBitmap *wxMask::GetBitmap() const
	189	{
	190	return m_bitmap;
	191	}
	192
	193	//-----------------------------------------------------------------------------
	194	// wxBitmap
	195	//-----------------------------------------------------------------------------
	196
	197	class wxBitmapRefData: public wxObjectRefData
	198	{
	199	public:
	200	wxBitmapRefData();
	201	~wxBitmapRefData();
	202
	203	GdkPixmap *m_pixmap;
	204	GdkBitmap *m_bitmap;
	205	wxMask *m_mask;
	206	int m_width;
	207	int m_height;
	208	int m_bpp;
	209	wxPalette *m_palette;
	210	};
	211
	212	wxBitmapRefData::wxBitmapRefData()
	213	{
	214	m_pixmap = (GdkPixmap *) NULL;
	215	m_bitmap = (GdkBitmap *) NULL;
	216	m_mask = (wxMask *) NULL;
	217	m_width = 0;
	218	m_height = 0;
	219	m_bpp = 0;
	220	m_palette = (wxPalette *) NULL;
	221	}
	222
	223	wxBitmapRefData::~wxBitmapRefData()
	224	{
	225	if (m_pixmap) gdk_pixmap_unref( m_pixmap );
	226	if (m_bitmap) gdk_bitmap_unref( m_bitmap );
	227	if (m_mask) delete m_mask;
	228	if (m_palette) delete m_palette;
	229	}
	230
	231	//-----------------------------------------------------------------------------
	232
	233	#define M_BMPDATA ((wxBitmapRefData *)m_refData)
	234
	235	IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
	236
	237	wxBitmap::wxBitmap()
	238	{
	239	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	240	}
	241
	242	wxBitmap::wxBitmap( int width, int height, int depth )
	243	{
	244	wxCHECK_RET( (width > 0) && (height > 0), wxT("invalid bitmap size") )
	245
	246	if (depth == -1) depth = gdk_window_get_visual( wxRootWindow->window )->depth;
	247
	248	wxCHECK_RET( (depth == gdk_window_get_visual( wxRootWindow->window )->depth) \|\|
	249	(depth == 1), wxT("invalid bitmap depth") )
	250
	251	m_refData = new wxBitmapRefData();
	252	M_BMPDATA->m_mask = (wxMask *) NULL;
	253	M_BMPDATA->m_width = width;
	254	M_BMPDATA->m_height = height;
	255	if (depth == 1)
	256	{
	257	M_BMPDATA->m_bitmap = gdk_pixmap_new( wxRootWindow->window, width, height, 1 );
	258	M_BMPDATA->m_bpp = 1;
	259	}
	260	else
	261	{
	262	M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
	263	M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;
	264	}
	265
	266	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	267	}
	268
	269	bool wxBitmap::CreateFromXpm( const char **bits )
	270	{
	271	wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
	272
	273	m_refData = new wxBitmapRefData();
	274
	275	GdkBitmap mask = (GdkBitmap) NULL;
	276
	277	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );
	278
	279	wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
	280
	281	if (mask)
	282	{
	283	M_BMPDATA->m_mask = new wxMask();
	284	M_BMPDATA->m_mask->m_bitmap = mask;
	285	}
	286
	287	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
	288
	289	M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth; // ?
	290	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	291
	292	return TRUE;
	293	}
	294
	295	wxBitmap::wxBitmap( const wxBitmap& bmp )
	296	{
	297	Ref( bmp );
	298
	299	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	300	}
	301
	302	wxBitmap::wxBitmap( const wxString &filename, int type )
	303	{
	304	LoadFile( filename, type );
	305
	306	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	307	}
	308
	309	wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
	310	{
	311	m_refData = new wxBitmapRefData();
	312
	313	M_BMPDATA->m_mask = (wxMask *) NULL;
	314	M_BMPDATA->m_bitmap =
	315	gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );
	316	M_BMPDATA->m_width = width;
	317	M_BMPDATA->m_height = height;
	318	M_BMPDATA->m_bpp = 1;
	319
	320	wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
	321
	322	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	323	}
	324
	325	wxBitmap::~wxBitmap()
	326	{
	327	if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
	328	}
	329
	330	wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
	331	{
	332	if (this == bmp) return (this);
	333	Ref( bmp );
	334	return *this;
	335	}
	336
	337	bool wxBitmap::operator == ( const wxBitmap& bmp )
	338	{
	339	return m_refData == bmp.m_refData;
	340	}
	341
	342	bool wxBitmap::operator != ( const wxBitmap& bmp )
	343	{
	344	return m_refData != bmp.m_refData;
	345	}
	346
	347	bool wxBitmap::Ok() const
	348	{
	349	return (m_refData != NULL);
	350	}
	351
	352	int wxBitmap::GetHeight() const
	353	{
	354	wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
	355
	356	return M_BMPDATA->m_height;
	357	}
	358
	359	int wxBitmap::GetWidth() const
	360	{
	361	wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
	362
	363	return M_BMPDATA->m_width;
	364	}
	365
	366	int wxBitmap::GetDepth() const
	367	{
	368	wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
	369
	370	return M_BMPDATA->m_bpp;
	371	}
	372
	373	wxMask *wxBitmap::GetMask() const
	374	{
	375	wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
	376
	377	return M_BMPDATA->m_mask;
	378	}
	379
	380	void wxBitmap::SetMask( wxMask *mask )
	381	{
	382	wxCHECK_RET( Ok(), wxT("invalid bitmap") );
	383
	384	if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
	385
	386	M_BMPDATA->m_mask = mask;
	387	}
	388
	389	wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
	390	{
	391	wxCHECK_MSG( Ok() &&
	392	(rect.x >= 0) && (rect.y >= 0) &&
	393	(rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
	394	wxNullBitmap, wxT("invalid bitmap or bitmap region") );
	395
	396	wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
	397	wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
	398
	399	if (ret.GetPixmap())
	400	{
	401	GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
	402	gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
	403	gdk_gc_destroy( gc );
	404	}
	405	else
	406	{
	407	GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
	408	gdk_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
	409	gdk_gc_destroy( gc );
	410	}
	411
	412	if (GetMask())
	413	{
	414	wxMask *mask = new wxMask;
	415	mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 );
	416
	417	GdkGC *gc = gdk_gc_new( mask->m_bitmap );
	418	gdk_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
	419	gdk_gc_destroy( gc );
	420
	421	ret.SetMask( mask );
	422	}
	423
	424	return ret;
	425	}
	426
	427	bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
	428	{
	429	wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
	430
	431	// Try to save the bitmap via wxImage handlers:
	432	{
	433	wxImage image( *this );
	434	if (image.Ok()) return image.SaveFile( name, type );
	435	}
	436
	437	return FALSE;
	438	}
	439
	440	bool wxBitmap::LoadFile( const wxString &name, int type )
	441	{
	442	UnRef();
	443
	444	if (!wxFileExists(name)) return FALSE;
	445
	446	if (type == wxBITMAP_TYPE_XPM)
	447	{
	448	m_refData = new wxBitmapRefData();
	449
	450	GdkBitmap mask = (GdkBitmap) NULL;
	451
	452	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() );
	453
	454	if (mask)
	455	{
	456	M_BMPDATA->m_mask = new wxMask();
	457	M_BMPDATA->m_mask->m_bitmap = mask;
	458	}
	459
	460	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
	461	M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;
	462	}
	463	else // try if wxImage can load it
	464	{
	465	wxImage image;
	466	if (!image.LoadFile( name, type )) return FALSE;
	467	if (image.Ok()) *this = image.ConvertToBitmap();
	468	else return FALSE;
	469	}
	470
	471	return TRUE;
	472	}
	473
	474	wxPalette *wxBitmap::GetPalette() const
	475	{
	476	if (!Ok()) return (wxPalette *) NULL;
	477
	478	return M_BMPDATA->m_palette;
	479	}
	480
	481	void wxBitmap::SetHeight( int height )
	482	{
	483	if (!m_refData) m_refData = new wxBitmapRefData();
	484
	485	M_BMPDATA->m_height = height;
	486	}
	487
	488	void wxBitmap::SetWidth( int width )
	489	{
	490	if (!m_refData) m_refData = new wxBitmapRefData();
	491
	492	M_BMPDATA->m_width = width;
	493	}
	494
	495	void wxBitmap::SetDepth( int depth )
	496	{
	497	if (!m_refData) m_refData = new wxBitmapRefData();
	498
	499	M_BMPDATA->m_bpp = depth;
	500	}
	501
	502	void wxBitmap::SetPixmap( GdkPixmap *pixmap )
	503	{
	504	if (!m_refData) m_refData = new wxBitmapRefData();
	505
	506	M_BMPDATA->m_pixmap = pixmap;
	507	}
	508
	509	void wxBitmap::SetBitmap( GdkPixmap *bitmap )
	510	{
	511	if (!m_refData) m_refData = new wxBitmapRefData();
	512
	513	M_BMPDATA->m_bitmap = bitmap;
	514	}
	515
	516	GdkPixmap *wxBitmap::GetPixmap() const
	517	{
	518	wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
	519
	520	return M_BMPDATA->m_pixmap;
	521	}
	522
	523	GdkBitmap *wxBitmap::GetBitmap() const
	524	{
	525	wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
	526
	527	return M_BMPDATA->m_bitmap;
	528	}