[wxWidgets.git] / 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 "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
c801d85f KB	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: bitmap.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
6f65e337	5	// RCS-ID: $Id$
01111366	6	// Copyright: (c) 1998 Robert Roebling
c801d85f KB	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "bitmap.h"
	12	#endif
	13
	14	#include "wx/bitmap.h"
52cbfcf0	15	#include "wx/icon.h"
fd0eed64	16	#include "wx/filefn.h"
c801d85f	17	#include "gdk/gdkprivate.h"
01111366	18	#include "gdk/gdkx.h"
4bc67cc5	19	#include "wx/image.h"
c801d85f KB	20
	21	//-----------------------------------------------------------------------------
	22	// wxMask
	23	//-----------------------------------------------------------------------------
	24
	25	IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
	26
	27	wxMask::wxMask(void)
	28	{
fd0eed64	29	m_bitmap = (GdkBitmap *) NULL;
ff7b1510	30	}
c801d85f KB	31
	32	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
	33	{
ff7b1510	34	}
c801d85f	35
debe6624	36	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
c801d85f	37	{
ff7b1510	38	}
c801d85f KB	39
	40	wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
	41	{
ff7b1510	42	}
c801d85f KB	43
	44	wxMask::~wxMask(void)
	45	{
fd0eed64	46	if (m_bitmap) gdk_bitmap_unref( m_bitmap );
ff7b1510	47	}
c801d85f KB	48
	49	GdkBitmap *wxMask::GetBitmap(void) const
	50	{
fd0eed64	51	return m_bitmap;
ff7b1510	52	}
c801d85f KB	53
	54	//-----------------------------------------------------------------------------
	55	// wxBitmap
	56	//-----------------------------------------------------------------------------
	57
	58	class wxBitmapRefData: public wxObjectRefData
	59	{
fd0eed64 RR	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;
c801d85f KB	71	};
	72
	73	wxBitmapRefData::wxBitmapRefData(void)
	74	{
fd0eed64 RR	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;
ff7b1510	82	}
c801d85f KB	83
	84	wxBitmapRefData::~wxBitmapRefData(void)
	85	{
fd0eed64 RR	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;
ff7b1510	90	}
c801d85f KB	91
	92	//-----------------------------------------------------------------------------
	93
	94	#define M_BMPDATA ((wxBitmapRefData *)m_refData)
	95
	96	IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
	97
	98	wxBitmap::wxBitmap(void)
	99	{
fd0eed64	100	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	101	}
c801d85f	102
debe6624	103	wxBitmap::wxBitmap( int width, int height, int depth )
c801d85f	104	{
fd0eed64 RR	105	wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
fd0eed64 RR	106	wxCHECK_RET( (depth > 0) \|\| (depth == -1), "invalid bitmap depth" )
fee04295	107
fd0eed64	108	m_refData = new wxBitmapRefData();
fee04295	109
fd0eed64	110	GdkWindow parent = (GdkWindow) &gdk_root_parent;
fee04295	111
fd0eed64 RR	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;
c801d85f	117
fd0eed64	118	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	119	}
c801d85f	120
e52f60e6 RR	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
c801d85f KB	144	wxBitmap::wxBitmap( char **bits )
c801d85f KB	145	{
fd0eed64	146	wxCHECK_RET( bits != NULL, "invalid bitmap data" )
fee04295	147
fd0eed64	148	m_refData = new wxBitmapRefData();
c801d85f	149
fd0eed64 RR	150	GdkBitmap mask = (GdkBitmap) NULL;
fd0eed64 RR	151	GdkWindow parent = (GdkWindow) &gdk_root_parent;
219f895a	152
fd0eed64	153	M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
219f895a	154
4bc67cc5 RR	155	wxCHECK_RET( M_BMPDATA->m_pixmap, "couldn't create pixmap" );
4bc67cc5 RR	156
fd0eed64 RR	157	if (mask)
	158	{
	159	M_BMPDATA->m_mask = new wxMask();
	160	M_BMPDATA->m_mask->m_bitmap = mask;
	161	}
219f895a	162
fd0eed64	163	gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
0180d5da	164
fd0eed64	165	M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
fd0eed64	166	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	167	}
c801d85f KB	168
	169	wxBitmap::wxBitmap( const wxBitmap& bmp )
	170	{
fd0eed64	171	Ref( bmp );
c801d85f	172
fd0eed64	173	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	174	}
c801d85f KB	175
	176	wxBitmap::wxBitmap( const wxBitmap* bmp )
	177	{
fd0eed64	178	if (bmp) Ref( *bmp );
c801d85f	179
fd0eed64	180	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	181	}
6f65e337	182
debe6624	183	wxBitmap::wxBitmap( const wxString &filename, int type )
c801d85f	184	{
fd0eed64	185	LoadFile( filename, type );
ff7b1510	186
fd0eed64	187	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
ff7b1510	188	}
c801d85f	189
debe6624	190	wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
6f65e337	191	{
fd0eed64	192	m_refData = new wxBitmapRefData();
6f65e337	193
fd0eed64 RR	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;
6f65e337	200
4bc67cc5 RR	201	wxCHECK_RET( M_BMPDATA->m_bitmap, "couldn't create bitmap" );
4bc67cc5 RR	202
fd0eed64	203	if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
6f65e337 JS	204	}
6f65e337 JS	205
c801d85f KB	206	wxBitmap::~wxBitmap(void)
c801d85f KB	207	{
fd0eed64	208	if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
ff7b1510	209	}
c801d85f KB	210
	211	wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
	212	{
fd0eed64 RR	213	if (this == bmp) return (this);
	214	Ref( bmp );
	215	return *this;
ff7b1510	216	}
c801d85f KB	217
	218	bool wxBitmap::operator == ( const wxBitmap& bmp )
	219	{
fd0eed64	220	return m_refData == bmp.m_refData;
ff7b1510	221	}
c801d85f KB	222
	223	bool wxBitmap::operator != ( const wxBitmap& bmp )
	224	{
fd0eed64	225	return m_refData != bmp.m_refData;
ff7b1510	226	}
c801d85f KB	227
	228	bool wxBitmap::Ok(void) const
	229	{
fd0eed64	230	return (m_refData != NULL);
ff7b1510	231	}
c801d85f KB	232
	233	int wxBitmap::GetHeight(void) const
	234	{
33a5bc52	235	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
e55ad60e	236
fd0eed64	237	return M_BMPDATA->m_height;
ff7b1510	238	}
c801d85f KB	239
	240	int wxBitmap::GetWidth(void) const
	241	{
33a5bc52	242	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
e55ad60e	243
fd0eed64	244	return M_BMPDATA->m_width;
ff7b1510	245	}
c801d85f KB	246
	247	int wxBitmap::GetDepth(void) const
	248	{
33a5bc52	249	wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
e55ad60e	250
fd0eed64	251	return M_BMPDATA->m_bpp;
ff7b1510	252	}
c801d85f	253
c801d85f KB	254	wxMask *wxBitmap::GetMask(void) const
c801d85f KB	255	{
33a5bc52	256	wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" );
219f895a	257
fd0eed64	258	return M_BMPDATA->m_mask;
ff7b1510	259	}
c801d85f KB	260
	261	void wxBitmap::SetMask( wxMask *mask )
	262	{
33a5bc52	263	wxCHECK_RET( Ok(), "invalid bitmap" );
219f895a	264
fd0eed64	265	if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
cf7a7e13	266
fd0eed64	267	M_BMPDATA->m_mask = mask;
ff7b1510	268	}
c801d85f	269
fd0eed64	270	bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
c801d85f	271	{
33a5bc52	272	wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" );
e55ad60e	273
fd0eed64 RR	274	if (type == wxBITMAP_TYPE_PNG)
fd0eed64 RR	275	{
4bc67cc5	276	wxImage image( *this );
fd0eed64 RR	277	if (image.Ok()) return image.SaveFile( name, type );
	278	}
	279
	280	return FALSE;
ff7b1510	281	}
c801d85f	282
fd0eed64	283	bool wxBitmap::LoadFile( const wxString &name, int type )
c801d85f	284	{
fd0eed64 RR	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;
cf7a7e13	295
fd0eed64 RR	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 );
4bc67cc5	311	if (image.Ok()) *this = image.ConvertToBitmap();
fd0eed64 RR	312	}
	313	else if (type == wxBITMAP_TYPE_BMP)
	314	{
	315	wxImage image;
	316	image.LoadFile( name, type );
4bc67cc5	317	if (image.Ok()) *this = image.ConvertToBitmap();
fd0eed64 RR	318	}
	319	else
	320	return FALSE;
	321
	322	return TRUE;
ff7b1510	323	}
c801d85f KB	324
	325	wxPalette *wxBitmap::GetPalette(void) const
	326	{
fd0eed64	327	if (!Ok()) return (wxPalette *) NULL;
33a5bc52	328
fd0eed64	329	return M_BMPDATA->m_palette;
ff7b1510	330	}
c801d85f	331
4bc67cc5 RR	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
c801d85f KB	360	GdkPixmap *wxBitmap::GetPixmap(void) const
c801d85f KB	361	{
33a5bc52	362	wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );
cf7a7e13	363
fd0eed64	364	return M_BMPDATA->m_pixmap;
ff7b1510	365	}
c801d85f	366
6f65e337 JS	367	GdkBitmap *wxBitmap::GetBitmap(void) const
6f65e337 JS	368	{
33a5bc52	369	wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" );
219f895a	370
fd0eed64	371	return M_BMPDATA->m_bitmap;
ff7b1510	372	}
6f65e337	373
4bc67cc5 RR	374	//-----------------------------------------------------------------------------
	375	// wxImage
	376	//-----------------------------------------------------------------------------
	377
	378	wxBitmap wxImage::ConvertToBitmap() const
219f895a	379	{
4bc67cc5	380	wxBitmap bitmap;
219f895a	381
4bc67cc5	382	wxCHECK_MSG( Ok(), bitmap, "invalid image" );
cf7a7e13	383
4bc67cc5 RR	384	int width = GetWidth();
4bc67cc5 RR	385	int height = GetHeight();
01111366	386
4bc67cc5 RR	387	bitmap.SetHeight( height );
	388	bitmap.SetWidth( width );
	389
fd0eed64	390	// Create picture
cf7a7e13	391
fd0eed64 RR	392	GdkImage *data_image =
fd0eed64 RR	393	gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
cf7a7e13	394
4bc67cc5	395	bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
01111366	396
fd0eed64	397	// Create mask
cf7a7e13	398
fd0eed64	399	GdkImage mask_image = (GdkImage) NULL;
cf7a7e13	400
4bc67cc5	401	if (HasMask())
fd0eed64 RR	402	{
fd0eed64 RR	403	unsigned char mask_data = (unsigned char)malloc( ((width >> 3)+8) * height );
01111366	404
fd0eed64	405	mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
01111366	406
4bc67cc5 RR	407	wxMask *mask = new wxMask();
	408	mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
	409
	410	bitmap.SetMask( mask );
fd0eed64	411	}
cf7a7e13	412
fd0eed64	413	// Retrieve depth
01111366	414
4bc67cc5	415	GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
e8fdc264 RR	416	if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
e8fdc264 RR	417	int bpp = visual->depth;
fb1585ae	418	if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
e8fdc264 RR	419	if (bpp < 8) bpp = 8;
e8fdc264 RR	420
fd0eed64	421	// Render
fee04295	422
fd0eed64 RR	423	enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
fd0eed64 RR	424	byte_order b_o = RGB;
fee04295	425
e8fdc264	426	if (bpp >= 24)
fd0eed64 RR	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	}
01111366	436
4bc67cc5 RR	437	int r_mask = GetMaskRed();
	438	int g_mask = GetMaskGreen();
	439	int b_mask = GetMaskBlue();
01111366	440
4bc67cc5	441	unsigned char* data = GetData();
01111366	442
fd0eed64 RR	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++;
01111366	454
4bc67cc5	455	if (HasMask())
fd0eed64	456	{
df875e59	457	if ((r == r_mask) && (b == b_mask) && (g == g_mask))
fd0eed64	458	gdk_image_put_pixel( mask_image, x, y, 1 );
df875e59 RR	459	else
df875e59 RR	460	gdk_image_put_pixel( mask_image, x, y, 0 );
fd0eed64	461	}
01111366	462
e8fdc264	463	switch (bpp)
fd0eed64 RR	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	}
01111366	480
fd0eed64	481	gdk_image_put_pixel( data_image, x, y, index );
01111366	482
fd0eed64 RR	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;
fee04295	513	}
fd0eed64 RR	514	} // for
	515	} // for
	516
	517	// Blit picture
cf7a7e13	518
4bc67cc5	519	GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );
cf7a7e13	520
4bc67cc5	521	gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
cf7a7e13	522
fd0eed64 RR	523	gdk_image_destroy( data_image );
fd0eed64 RR	524	gdk_gc_unref( data_gc );
cf7a7e13	525
fd0eed64	526	// Blit mask
cf7a7e13	527
4bc67cc5	528	if (HasMask())
fd0eed64	529	{
4bc67cc5	530	GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
cf7a7e13	531
4bc67cc5	532	gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
cf7a7e13	533
fd0eed64 RR	534	gdk_image_destroy( mask_image );
	535	gdk_gc_unref( mask_gc );
	536	}
4bc67cc5 RR	537
4bc67cc5 RR	538	return bitmap;
ff7b1510	539	}
219f895a	540
4bc67cc5	541	wxImage::wxImage( const wxBitmap &bitmap )
219f895a	542	{
4bc67cc5	543	wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );
219f895a	544
4bc67cc5 RR	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" );
cf7a7e13	550
4bc67cc5 RR	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() );
dc86cb34	567
4bc67cc5 RR	568	SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
	569	}
	570
	571	GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
fd0eed64 RR	572	if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
fd0eed64 RR	573	int bpp = visual->depth;
fb1585ae	574	if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
e8fdc264	575
fd0eed64	576	GdkColormap *cmap = gtk_widget_get_default_colormap();
cf7a7e13	577
fd0eed64	578	long pos = 0;
4bc67cc5	579	for (int j = 0; j < bitmap.GetHeight(); j++)
01111366	580	{
4bc67cc5	581	for (int i = 0; i < bitmap.GetWidth(); i++)
fd0eed64 RR	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	}
01111366	605
4bc67cc5 RR	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
fd0eed64 RR	617	pos += 3;
fd0eed64 RR	618	}
01111366	619	}
219f895a	620
fd0eed64	621	gdk_image_destroy( gdk_image );
4bc67cc5	622	if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
ff7b1510	623	}
219f895a RR	624
219f895a RR	625
01111366	626