src/gtk/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 <gdk/gdkprivate.h>
#include <gdk/gdkx.h>

//-----------------------------------------------------------------------------
// 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;

    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
    m_bitmap = gdk_pixmap_new( parent, 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( (GdkWindow*) &gdk_root_parent, 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") )

    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
    if (depth == -1) depth = gdk_window_get_visual( parent )->depth;

    wxCHECK_RET( (depth ==  gdk_window_get_visual( parent )->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( parent, width, height, 1 );
        M_BMPDATA->m_bpp = 1;
    }
    else
    {
        M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->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;
    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;

    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &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( parent )->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( (GdkWindow*) &gdk_root_parent, (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;
        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
        mask->m_bitmap = gdk_pixmap_new( parent, 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;
        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;

        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &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( parent )->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;
}

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