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 "gdk/gdkprivate.h"
#include "gdk/gdkx.h"
#include "wx/image.h"

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

IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)

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

wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
{
}

wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
{
}

wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
{
}

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

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

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

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

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

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

wxBitmap::wxBitmap( int width, int height, int depth )
{
    wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
    wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )

    m_refData = new wxBitmapRefData();

    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;

    M_BMPDATA->m_mask = (wxMask *) NULL;
    M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
    M_BMPDATA->m_width = width;
    M_BMPDATA->m_height = height;
    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;

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

wxBitmap::wxBitmap( const char **bits )
{
    wxCHECK_RET( bits != NULL, "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 );

    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);
}

wxBitmap::wxBitmap( char **bits )
{
    wxCHECK_RET( bits != NULL, "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_RET( M_BMPDATA->m_pixmap, "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);
}

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

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

wxBitmap::wxBitmap( const wxBitmap* bmp )
{
    if (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, "couldn't create bitmap" );

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

wxBitmap::~wxBitmap(void)
{
    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(void) const
{
    return (m_refData != NULL);
}

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

    return M_BMPDATA->m_height;
}

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

    return M_BMPDATA->m_width;
}

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

    return M_BMPDATA->m_bpp;
}

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

    return M_BMPDATA->m_mask;
}

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

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

    M_BMPDATA->m_mask = mask;
}

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

    if (type == wxBITMAP_TYPE_PNG)
    {
        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 );

        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 if (type == wxBITMAP_TYPE_PNG)
    {
        wxImage image;
        image.LoadFile( name, type );
        if (image.Ok()) *this = image.ConvertToBitmap();
    }
    else if (type == wxBITMAP_TYPE_BMP)
    {
        wxImage image;
        image.LoadFile( name, type );
        if (image.Ok()) *this = image.ConvertToBitmap();
    }
    else
        return FALSE;

    return TRUE;
}

wxPalette *wxBitmap::GetPalette(void) 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(void) const
{
    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );

    return M_BMPDATA->m_pixmap;
}

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

    return M_BMPDATA->m_bitmap;
}

//-----------------------------------------------------------------------------
// wxImage
//-----------------------------------------------------------------------------

wxBitmap wxImage::ConvertToBitmap() const
{
    wxBitmap bitmap;

    wxCHECK_MSG( Ok(), bitmap, "invalid image" );

    int width = GetWidth();
    int height = GetHeight();

    bitmap.SetHeight( height );
    bitmap.SetWidth( width );

    // Create picture

    GdkImage *data_image =
      gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );

    bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );

    // Create mask

    GdkImage *mask_image = (GdkImage*) NULL;

    if (HasMask())
    {
        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

        mask_image =  gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );

	wxMask *mask = new wxMask();
	mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );

	bitmap.SetMask( mask );
    }

    // Retrieve depth

    GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
    if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
    int bpp = visual->depth;
    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
    if (bpp < 8) bpp = 8;

    // Render

    enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
    byte_order b_o = RGB;

    if (bpp >= 24)
    {
        GdkVisual *visual = gdk_visual_get_system();
        if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
        else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RGB;
        else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
        else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
        else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
        else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
    }

    int r_mask = GetMaskRed();
    int g_mask = GetMaskGreen();
    int b_mask = GetMaskBlue();

    unsigned char* data = GetData();

    int index = 0;
    for (int y = 0; y < height; y++)
    {
        for (int x = 0; x < width; x++)
        {
            int r = data[index];
	    index++;
            int g = data[index];
	    index++;
            int b = data[index];
	    index++;

	    if (HasMask())
	    {
	        if ((r == r_mask) && (b == b_mask) && (g == g_mask))
	            gdk_image_put_pixel( mask_image, x, y, 1 );
	        else
	            gdk_image_put_pixel( mask_image, x, y, 0 );
	    }

	    switch (bpp)
	    {
	        case 8:
	        {
	            GdkColormap *cmap = gtk_widget_get_default_colormap();
                    GdkColor *colors = cmap->colors;
                    int max = 3 * (65536);
                    int index = -1;

                    for (int i = 0; i < cmap->size; i++)
                    {
                        int rdiff = (r << 8) - colors[i].red;
                        int gdiff = (g << 8) - colors[i].green;
                        int bdiff = (b << 8) - colors[i].blue;
                        int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
                        if (sum < max) { index = i; max = sum; }
                    }

	            gdk_image_put_pixel( data_image, x, y, index );

	            break;
	        }
	        case 15:
	        {
	            guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
	            gdk_image_put_pixel( data_image, x, y, pixel );
	            break;
	        }
	        case 16:
	        {
	            guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
	            gdk_image_put_pixel( data_image, x, y, pixel );
	            break;
	        }
	        case 32:
	        case 24:
	        {
	            guint32 pixel = 0;
	            switch (b_o)
	            {
	                case RGB: pixel = (r << 16) | (g << 8) | b; break;
	                case RBG: pixel = (r << 16) | (b << 8) | g; break;
	                case BRG: pixel = (b << 16) | (r << 8) | g; break;
	                case BGR: pixel = (b << 16) | (g << 8) | r; break;
	                case GRB: pixel = (g << 16) | (r << 8) | b; break;
	                case GBR: pixel = (g << 16) | (b << 8) | r; break;
	            }
	            gdk_image_put_pixel( data_image, x, y, pixel );
	        }
	        default: break;
	    }
        } // for
    }  // for

    // Blit picture

    GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );

    gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );

    gdk_image_destroy( data_image );
    gdk_gc_unref( data_gc );

    // Blit mask

    if (HasMask())
    {
        GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );

        gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );

        gdk_image_destroy( mask_image );
        gdk_gc_unref( mask_gc );
    }

    return bitmap;
}

wxImage::wxImage( const wxBitmap &bitmap )
{
    wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );

    GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(),
                                         0, 0,
					 bitmap.GetWidth(), bitmap.GetHeight() );

    wxCHECK_RET( gdk_image, "couldn't create image" );

    Create( bitmap.GetWidth(), bitmap.GetHeight() );
    char unsigned *data = GetData();

    if (!data)
    {
        gdk_image_destroy( gdk_image );
        wxFAIL_MSG( "couldn't create image" );
	return;
    }

    GdkImage *gdk_image_mask = (GdkImage*) NULL;
    if (bitmap.GetMask())
    {
        gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
	                                0, 0,
					bitmap.GetWidth(), bitmap.GetHeight() );

	SetMaskColour( 16, 16, 16 );  // anything unlikely and dividable
    }

    GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
    if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
    int bpp = visual->depth;
    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;

    GdkColormap *cmap = gtk_widget_get_default_colormap();

    long pos = 0;
    for (int j = 0; j < bitmap.GetHeight(); j++)
    {
        for (int i = 0; i < bitmap.GetWidth(); i++)
        {
            int pixel = gdk_image_get_pixel( gdk_image, i, j );
            if (bpp <= 8)
            {
                data[pos] = cmap->colors[pixel].red >> 8;
                data[pos+1] = cmap->colors[pixel].green >> 8;
                data[pos+2] = cmap->colors[pixel].blue >> 8;
            } else if (bpp == 15)
            {
                data[pos] = (pixel >> 7) & 0xf8;
                data[pos+1] = (pixel >> 2) & 0xf8;
                data[pos+2] = (pixel << 3) & 0xf8;
            } else if (bpp == 16)
            {
                data[pos] = (pixel >> 8) & 0xf8;
                data[pos+1] = (pixel >> 3) & 0xfc;
                data[pos+2] = (pixel << 3) & 0xf8;
            } else
            {
                data[pos] = (pixel >> 16) & 0xff;
                data[pos+1] = (pixel >> 8) & 0xff;
                data[pos+2] = pixel & 0xff;
            }

	    if (gdk_image_mask)
	    {
	        int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
	        if (mask_pixel == 0)
	        {
                    data[pos] = 16;
                    data[pos+1] = 16;
                    data[pos+2] = 16;
	       }
	    }

            pos += 3;
        }
    }

    gdk_image_destroy( gdk_image );
    if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
}
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 "gdk/gdkprivate.h"
	18	#include "gdk/gdkx.h"
	19	#include "wx/image.h"
	20
	21	//-----------------------------------------------------------------------------
	22	// wxMask
	23	//-----------------------------------------------------------------------------
	24
	25	IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
	26
	27	wxMask::wxMask(void)
	28	{
	29	m_bitmap = (GdkBitmap *) NULL;
	30	}
	31
	32	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
	33	{
	34	}
	35
	36	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
	37	{
	38	}
	39
	40	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
	41	{
	42	}
	43
	44	wxMask::~wxMask(void)
	45	{
	46	if (m_bitmap) gdk_bitmap_unref( m_bitmap );
	47	}
	48
	49	GdkBitmap *wxMask::GetBitmap(void) const
	50	{
	51	return m_bitmap;
	52	}
	53
	54	//-----------------------------------------------------------------------------
	55	// wxBitmap
	56	//-----------------------------------------------------------------------------
	57
	58	class wxBitmapRefData: public wxObjectRefData
	59	{
	60	public:
	61	wxBitmapRefData(void);
	62	~wxBitmapRefData(void);
	63
	64	GdkPixmap *m_pixmap;
	65	GdkBitmap *m_bitmap;
	66	wxMask *m_mask;
	67	int m_width;
	68	int m_height;
	69	int m_bpp;
	70	wxPalette *m_palette;
	71	};
	72
	73	wxBitmapRefData::wxBitmapRefData(void)
	74	{
	75	m_pixmap = (GdkPixmap *) NULL;
	76	m_bitmap = (GdkBitmap *) NULL;
	77	m_mask = (wxMask *) NULL;
	78	m_width = 0;
	79	m_height = 0;
	80	m_bpp = 0;
	81	m_palette = (wxPalette *) NULL;
	82	}
	83
	84	wxBitmapRefData::~wxBitmapRefData(void)
	85	{
	86	if (m_pixmap) gdk_pixmap_unref( m_pixmap );
	87	if (m_bitmap) gdk_bitmap_unref( m_bitmap );
	88	if (m_mask) delete m_mask;
	89	if (m_palette) delete m_palette;
	90	}
	91
	92	//-----------------------------------------------------------------------------
	93
	94	#define M_BMPDATA ((wxBitmapRefData *)m_refData)
	95
	96	IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
	97
	98	wxBitmap::wxBitmap(void)
	99	{
	100	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	101	}
	102
	103	wxBitmap::wxBitmap( int width, int height, int depth )
	104	{
	105	wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
	106	wxCHECK_RET( (depth > 0) \|\| (depth == -1), "invalid bitmap depth" )
	107
	108	m_refData = new wxBitmapRefData();
	109
	110	GdkWindow parent = (GdkWindow) &gdk_root_parent;
	111
	112	M_BMPDATA->m_mask = (wxMask *) NULL;
	113	M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
	114	M_BMPDATA->m_width = width;
	115	M_BMPDATA->m_height = height;
	116	M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
	117
	118	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	119	}
	120
	121	wxBitmap::wxBitmap( const char **bits )
	122	{
	123	wxCHECK_RET( bits != NULL, "invalid bitmap data" )
	124
	125	m_refData = new wxBitmapRefData();
	126
	127	GdkBitmap mask = (GdkBitmap) NULL;
	128	GdkWindow parent = (GdkWindow) &gdk_root_parent;
	129
	130	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
	131
	132	if (mask)
	133	{
	134	M_BMPDATA->m_mask = new wxMask();
	135	M_BMPDATA->m_mask->m_bitmap = mask;
	136	}
	137
	138	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
	139
	140	M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
	141	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	142	}
	143
	144	wxBitmap::wxBitmap( char **bits )
	145	{
	146	wxCHECK_RET( bits != NULL, "invalid bitmap data" )
	147
	148	m_refData = new wxBitmapRefData();
	149
	150	GdkBitmap mask = (GdkBitmap) NULL;
	151	GdkWindow parent = (GdkWindow) &gdk_root_parent;
	152
	153	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
	154
	155	wxCHECK_RET( M_BMPDATA->m_pixmap, "couldn't create pixmap" );
	156
	157	if (mask)
	158	{
	159	M_BMPDATA->m_mask = new wxMask();
	160	M_BMPDATA->m_mask->m_bitmap = mask;
	161	}
	162
	163	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
	164
	165	M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
	166	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	167	}
	168
	169	wxBitmap::wxBitmap( const wxBitmap& bmp )
	170	{
	171	Ref( bmp );
	172
	173	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	174	}
	175
	176	wxBitmap::wxBitmap( const wxBitmap* bmp )
	177	{
	178	if (bmp) Ref( *bmp );
	179
	180	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	181	}
	182
	183	wxBitmap::wxBitmap( const wxString &filename, int type )
	184	{
	185	LoadFile( filename, type );
	186
	187	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	188	}
	189
	190	wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
	191	{
	192	m_refData = new wxBitmapRefData();
	193
	194	M_BMPDATA->m_mask = (wxMask *) NULL;
	195	M_BMPDATA->m_bitmap =
	196	gdk_bitmap_create_from_data( (GdkWindow) &gdk_root_parent, (gchar ) bits, width, height );
	197	M_BMPDATA->m_width = width;
	198	M_BMPDATA->m_height = height;
	199	M_BMPDATA->m_bpp = 1;
	200
	201	wxCHECK_RET( M_BMPDATA->m_bitmap, "couldn't create bitmap" );
	202
	203	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
	204	}
	205
	206	wxBitmap::~wxBitmap(void)
	207	{
	208	if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
	209	}
	210
	211	wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
	212	{
	213	if (this == bmp) return (this);
	214	Ref( bmp );
	215	return *this;
	216	}
	217
	218	bool wxBitmap::operator == ( const wxBitmap& bmp )
	219	{
	220	return m_refData == bmp.m_refData;
	221	}
	222
	223	bool wxBitmap::operator != ( const wxBitmap& bmp )
	224	{
	225	return m_refData != bmp.m_refData;
	226	}
	227
	228	bool wxBitmap::Ok(void) const
	229	{
	230	return (m_refData != NULL);
	231	}
	232
	233	int wxBitmap::GetHeight(void) const
	234	{
	235	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
	236
	237	return M_BMPDATA->m_height;
	238	}
	239
	240	int wxBitmap::GetWidth(void) const
	241	{
	242	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
	243
	244	return M_BMPDATA->m_width;
	245	}
	246
	247	int wxBitmap::GetDepth(void) const
	248	{
	249	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
	250
	251	return M_BMPDATA->m_bpp;
	252	}
	253
	254	wxMask *wxBitmap::GetMask(void) const
	255	{
	256	wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" );
	257
	258	return M_BMPDATA->m_mask;
	259	}
	260
	261	void wxBitmap::SetMask( wxMask *mask )
	262	{
	263	wxCHECK_RET( Ok(), "invalid bitmap" );
	264
	265	if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
	266
	267	M_BMPDATA->m_mask = mask;
	268	}
	269
	270	bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
	271	{
	272	wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" );
	273
	274	if (type == wxBITMAP_TYPE_PNG)
	275	{
	276	wxImage image( *this );
	277	if (image.Ok()) return image.SaveFile( name, type );
	278	}
	279
	280	return FALSE;
	281	}
	282
	283	bool wxBitmap::LoadFile( const wxString &name, int type )
	284	{
	285	UnRef();
	286
	287	if (!wxFileExists(name)) return FALSE;
	288
	289	if (type == wxBITMAP_TYPE_XPM)
	290	{
	291	m_refData = new wxBitmapRefData();
	292
	293	GdkBitmap mask = (GdkBitmap) NULL;
	294	GdkWindow parent = (GdkWindow) &gdk_root_parent;
	295
	296	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name );
	297
	298	if (mask)
	299	{
	300	M_BMPDATA->m_mask = new wxMask();
	301	M_BMPDATA->m_mask->m_bitmap = mask;
	302	}
	303
	304	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
	305	M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
	306	}
	307	else if (type == wxBITMAP_TYPE_PNG)
	308	{
	309	wxImage image;
	310	image.LoadFile( name, type );
	311	if (image.Ok()) *this = image.ConvertToBitmap();
	312	}
	313	else if (type == wxBITMAP_TYPE_BMP)
	314	{
	315	wxImage image;
	316	image.LoadFile( name, type );
	317	if (image.Ok()) *this = image.ConvertToBitmap();
	318	}
	319	else
	320	return FALSE;
	321
	322	return TRUE;
	323	}
	324
	325	wxPalette *wxBitmap::GetPalette(void) const
	326	{
	327	if (!Ok()) return (wxPalette *) NULL;
	328
	329	return M_BMPDATA->m_palette;
	330	}
	331
	332	void wxBitmap::SetHeight( int height )
	333	{
	334	if (!m_refData) m_refData = new wxBitmapRefData();
	335
	336	M_BMPDATA->m_height = height;
	337	}
	338
	339	void wxBitmap::SetWidth( int width )
	340	{
	341	if (!m_refData) m_refData = new wxBitmapRefData();
	342
	343	M_BMPDATA->m_width = width;
	344	}
	345
	346	void wxBitmap::SetDepth( int depth )
	347	{
	348	if (!m_refData) m_refData = new wxBitmapRefData();
	349
	350	M_BMPDATA->m_bpp = depth;
	351	}
	352
	353	void wxBitmap::SetPixmap( GdkPixmap *pixmap )
	354	{
	355	if (!m_refData) m_refData = new wxBitmapRefData();
	356
	357	M_BMPDATA->m_pixmap = pixmap;
	358	}
	359
	360	GdkPixmap *wxBitmap::GetPixmap(void) const
	361	{
	362	wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );
	363
	364	return M_BMPDATA->m_pixmap;
	365	}
	366
	367	GdkBitmap *wxBitmap::GetBitmap(void) const
	368	{
	369	wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" );
	370
	371	return M_BMPDATA->m_bitmap;
	372	}
	373
	374	//-----------------------------------------------------------------------------
	375	// wxImage
	376	//-----------------------------------------------------------------------------
	377
	378	wxBitmap wxImage::ConvertToBitmap() const
	379	{
	380	wxBitmap bitmap;
	381
	382	wxCHECK_MSG( Ok(), bitmap, "invalid image" );
	383
	384	int width = GetWidth();
	385	int height = GetHeight();
	386
	387	bitmap.SetHeight( height );
	388	bitmap.SetWidth( width );
	389
	390	// Create picture
	391
	392	GdkImage *data_image =
	393	gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
	394
	395	bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
	396
	397	// Create mask
	398
	399	GdkImage mask_image = (GdkImage) NULL;
	400
	401	if (HasMask())
	402	{
	403	unsigned char mask_data = (unsigned char)malloc( ((width >> 3)+8) * height );
	404
	405	mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
	406
	407	wxMask *mask = new wxMask();
	408	mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
	409
	410	bitmap.SetMask( mask );
	411	}
	412
	413	// Retrieve depth
	414
	415	GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
	416	if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
	417	int bpp = visual->depth;
	418	if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
	419	if (bpp < 8) bpp = 8;
	420
	421	// Render
	422
	423	enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
	424	byte_order b_o = RGB;
	425
	426	if (bpp >= 24)
	427	{
	428	GdkVisual *visual = gdk_visual_get_system();
	429	if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
	430	else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
	431	else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
	432	else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
	433	else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
	434	else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
	435	}
	436
	437	int r_mask = GetMaskRed();
	438	int g_mask = GetMaskGreen();
	439	int b_mask = GetMaskBlue();
	440
	441	unsigned char* data = GetData();
	442
	443	int index = 0;
	444	for (int y = 0; y < height; y++)
	445	{
	446	for (int x = 0; x < width; x++)
	447	{
	448	int r = data[index];
	449	index++;
	450	int g = data[index];
	451	index++;
	452	int b = data[index];
	453	index++;
	454
	455	if (HasMask())
	456	{
	457	if ((r == r_mask) && (b == b_mask) && (g == g_mask))
	458	gdk_image_put_pixel( mask_image, x, y, 1 );
	459	else
	460	gdk_image_put_pixel( mask_image, x, y, 0 );
	461	}
	462
	463	switch (bpp)
	464	{
	465	case 8:
	466	{
	467	GdkColormap *cmap = gtk_widget_get_default_colormap();
	468	GdkColor *colors = cmap->colors;
	469	int max = 3 * (65536);
	470	int index = -1;
	471
	472	for (int i = 0; i < cmap->size; i++)
	473	{
	474	int rdiff = (r << 8) - colors[i].red;
	475	int gdiff = (g << 8) - colors[i].green;
	476	int bdiff = (b << 8) - colors[i].blue;
	477	int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
	478	if (sum < max) { index = i; max = sum; }
	479	}
	480
	481	gdk_image_put_pixel( data_image, x, y, index );
	482
	483	break;
	484	}
	485	case 15:
	486	{
	487	guint32 pixel = ((r & 0xf8) << 7) \| ((g & 0xf8) << 2) \| ((b & 0xf8) >> 3);
	488	gdk_image_put_pixel( data_image, x, y, pixel );
	489	break;
	490	}
	491	case 16:
	492	{
	493	guint32 pixel = ((r & 0xf8) << 8) \| ((g & 0xfc) << 3) \| ((b & 0xf8) >> 3);
	494	gdk_image_put_pixel( data_image, x, y, pixel );
	495	break;
	496	}
	497	case 32:
	498	case 24:
	499	{
	500	guint32 pixel = 0;
	501	switch (b_o)
	502	{
	503	case RGB: pixel = (r << 16) \| (g << 8) \| b; break;
	504	case RBG: pixel = (r << 16) \| (b << 8) \| g; break;
	505	case BRG: pixel = (b << 16) \| (r << 8) \| g; break;
	506	case BGR: pixel = (b << 16) \| (g << 8) \| r; break;
	507	case GRB: pixel = (g << 16) \| (r << 8) \| b; break;
	508	case GBR: pixel = (g << 16) \| (b << 8) \| r; break;
	509	}
	510	gdk_image_put_pixel( data_image, x, y, pixel );
	511	}
	512	default: break;
	513	}
	514	} // for
	515	} // for
	516
	517	// Blit picture
	518
	519	GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );
	520
	521	gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
	522
	523	gdk_image_destroy( data_image );
	524	gdk_gc_unref( data_gc );
	525
	526	// Blit mask
	527
	528	if (HasMask())
	529	{
	530	GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
	531
	532	gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
	533
	534	gdk_image_destroy( mask_image );
	535	gdk_gc_unref( mask_gc );
	536	}
	537
	538	return bitmap;
	539	}
	540
	541	wxImage::wxImage( const wxBitmap &bitmap )
	542	{
	543	wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );
	544
	545	GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(),
	546	0, 0,
	547	bitmap.GetWidth(), bitmap.GetHeight() );
	548
	549	wxCHECK_RET( gdk_image, "couldn't create image" );
	550
	551	Create( bitmap.GetWidth(), bitmap.GetHeight() );
	552	char unsigned *data = GetData();
	553
	554	if (!data)
	555	{
	556	gdk_image_destroy( gdk_image );
	557	wxFAIL_MSG( "couldn't create image" );
	558	return;
	559	}
	560
	561	GdkImage gdk_image_mask = (GdkImage) NULL;
	562	if (bitmap.GetMask())
	563	{
	564	gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
	565	0, 0,
	566	bitmap.GetWidth(), bitmap.GetHeight() );
	567
	568	SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
	569	}
	570
	571	GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
	572	if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
	573	int bpp = visual->depth;
	574	if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
	575
	576	GdkColormap *cmap = gtk_widget_get_default_colormap();
	577
	578	long pos = 0;
	579	for (int j = 0; j < bitmap.GetHeight(); j++)
	580	{
	581	for (int i = 0; i < bitmap.GetWidth(); i++)
	582	{
	583	int pixel = gdk_image_get_pixel( gdk_image, i, j );
	584	if (bpp <= 8)
	585	{
	586	data[pos] = cmap->colors[pixel].red >> 8;
	587	data[pos+1] = cmap->colors[pixel].green >> 8;
	588	data[pos+2] = cmap->colors[pixel].blue >> 8;
	589	} else if (bpp == 15)
	590	{
	591	data[pos] = (pixel >> 7) & 0xf8;
	592	data[pos+1] = (pixel >> 2) & 0xf8;
	593	data[pos+2] = (pixel << 3) & 0xf8;
	594	} else if (bpp == 16)
	595	{
	596	data[pos] = (pixel >> 8) & 0xf8;
	597	data[pos+1] = (pixel >> 3) & 0xfc;
	598	data[pos+2] = (pixel << 3) & 0xf8;
	599	} else
	600	{
	601	data[pos] = (pixel >> 16) & 0xff;
	602	data[pos+1] = (pixel >> 8) & 0xff;
	603	data[pos+2] = pixel & 0xff;
	604	}
	605
	606	if (gdk_image_mask)
	607	{
	608	int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
	609	if (mask_pixel == 0)
	610	{
	611	data[pos] = 16;
	612	data[pos+1] = 16;
	613	data[pos+2] = 16;
	614	}
	615	}
	616
	617	pos += 3;
	618	}
	619	}
	620
	621	gdk_image_destroy( gdk_image );
	622	if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
	623	}
	624
	625
	626