X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/64d315544fe5ebe0a22297ff340a99e63230415f..2a29700ecf3d6862db16c5f5c9086a698a7ff247:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index 453f827b5f..0b6b995c25 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -4,7 +4,7 @@ // Author: Robert Roebling // RCS-ID: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -13,6 +13,10 @@ #include "wx/bitmap.h" #include "wx/icon.h" +#include "wx/filefn.h" +#include "wx/image.h" + +#include "gdk/gdk.h" #include "gdk/gdkprivate.h" #include "gdk/gdkx.h" @@ -22,9 +26,9 @@ IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) -wxMask::wxMask(void) +wxMask::wxMask() { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = (GdkBitmap *) NULL; } wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) ) @@ -39,53 +43,52 @@ wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) ) { } -wxMask::~wxMask(void) +wxMask::~wxMask() { - if (m_bitmap) gdk_bitmap_unref( m_bitmap ); + if (m_bitmap) gdk_bitmap_unref( m_bitmap ); } GdkBitmap *wxMask::GetBitmap(void) const { - return m_bitmap; + 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; +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) +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; + 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) +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; + 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; } //----------------------------------------------------------------------------- @@ -94,469 +97,273 @@ wxBitmapRefData::~wxBitmapRefData(void) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxBitmap::wxBitmap(void) +wxBitmap::wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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" ) + 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; - 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); + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } -wxBitmap::wxBitmap( char **bits ) +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( const wxBitmap& bmp ) + 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 ) { - Ref( bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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 ) + +wxBitmap::wxBitmap( const wxBitmap& bmp ) { - if (bmp) Ref( *bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + Ref( bmp ); + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap( const wxString &filename, int type ) { - LoadFile( filename, type ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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_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; + 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; - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + wxCHECK_RET( M_BMPDATA->m_bitmap, "couldn't create bitmap" ); + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } - -wxBitmap::~wxBitmap(void) + +wxBitmap::~wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); + if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); } - + wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) { - if (*this == bmp) return (*this); - Ref( bmp ); - return *this; + if (*this == bmp) return (*this); + Ref( bmp ); + return *this; } - + bool wxBitmap::operator == ( const wxBitmap& bmp ) { - return m_refData == bmp.m_refData; + return m_refData == bmp.m_refData; } - + bool wxBitmap::operator != ( const wxBitmap& bmp ) { - return m_refData != bmp.m_refData; + return m_refData != bmp.m_refData; } - + bool wxBitmap::Ok(void) const { - return (m_refData != NULL); + return (m_refData != NULL); } - + int wxBitmap::GetHeight(void) const { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return -1; - } + wxCHECK_MSG( Ok(), -1, "invalid bitmap" ); - return M_BMPDATA->m_height; + return M_BMPDATA->m_height; } int wxBitmap::GetWidth(void) const { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return -1; - } - - return M_BMPDATA->m_width; + wxCHECK_MSG( Ok(), -1, "invalid bitmap" ); + + return M_BMPDATA->m_width; } int wxBitmap::GetDepth(void) const { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return -1; - } - - return M_BMPDATA->m_bpp; + wxCHECK_MSG( Ok(), -1, "invalid bitmap" ); + + return M_BMPDATA->m_bpp; } -void wxBitmap::SetHeight( int height ) +wxMask *wxBitmap::GetMask(void) const { - if (!Ok()) return; - - wxFAIL_MSG( "wxBitmap::SetHeight not implemented" ); - - M_BMPDATA->m_height = height; + wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" ); + + return M_BMPDATA->m_mask; } -void wxBitmap::SetWidth( int width ) +void wxBitmap::SetMask( wxMask *mask ) { - if (!Ok()) return; - - wxFAIL_MSG( "wxBitmap::SetWidth not implemented" ); - - M_BMPDATA->m_width = width; + wxCHECK_RET( Ok(), "invalid bitmap" ); + + if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; + + M_BMPDATA->m_mask = mask; } -void wxBitmap::SetDepth( int depth ) +bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) ) { - if (!Ok()) return; - - wxFAIL_MSG( "wxBitmap::SetDepth not implemented" ); - - M_BMPDATA->m_bpp = depth; + wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" ); + + if (type == wxBITMAP_TYPE_PNG) + { + wxImage image( *this ); + if (image.Ok()) return image.SaveFile( name, type ); + } + + return FALSE; } -wxMask *wxBitmap::GetMask(void) const +bool wxBitmap::LoadFile( const wxString &name, int type ) { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return (wxMask *) NULL; - } - - return M_BMPDATA->m_mask; + 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; } -void wxBitmap::SetMask( wxMask *mask ) +wxPalette *wxBitmap::GetPalette(void) const { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return; - } - - if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; - - M_BMPDATA->m_mask = mask; + if (!Ok()) return (wxPalette *) NULL; + + return M_BMPDATA->m_palette; } -bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), int WXUNUSED(type), - wxPalette *WXUNUSED(palette) ) +void wxBitmap::SetHeight( int height ) { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return FALSE; - } - - return FALSE; + if (!m_refData) m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_height = height; } -bool wxBitmap::LoadFile( const wxString &WXUNUSED(name), int WXUNUSED(type) ) +void wxBitmap::SetWidth( int width ) { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return FALSE; - } - - return FALSE; + if (!m_refData) m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_width = width; } - -wxPalette *wxBitmap::GetPalette(void) const + +void wxBitmap::SetDepth( int depth ) { - if (!Ok()) return (wxPalette *) NULL; - return M_BMPDATA->m_palette; + 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 { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return (GdkPixmap *) NULL; - } - - return M_BMPDATA->m_pixmap; + wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" ); + + return M_BMPDATA->m_pixmap; } - + GdkBitmap *wxBitmap::GetBitmap(void) const { - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return (GdkBitmap *) NULL; - } - - return M_BMPDATA->m_bitmap; -} - -wxBitmap::wxBitmap( const wxImage &image ) -{ - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); - - if (!image.Ok()) return; - - m_refData = new wxBitmapRefData(); - - M_BMPDATA->m_height = image.GetHeight(); - M_BMPDATA->m_width = image.GetWidth(); - int width = image.GetWidth(); - int height = image.GetHeight(); - - // Create picture - - GdkImage *data_image = - gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); - - M_BMPDATA->m_pixmap = - gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ); - - // Create mask - - GdkImage *mask_image = (GdkImage*) NULL; - - if (image.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 ); - - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); - } - - // Retrieve depth - - M_BMPDATA->m_bpp = data_image->depth; - - int render_depth = 8; - if (M_BMPDATA->m_bpp > 8) render_depth = M_BMPDATA->m_bpp; - - // Render - - enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; - byte_order b_o; - - if (render_depth >= 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 = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); - - unsigned char* data = image.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 (image.HasMask()) - { - if ((r == r_mask) && (b = b_mask) && (g = g_mask)) - gdk_image_put_pixel( mask_image, x, y, 0 ); - else - gdk_image_put_pixel( mask_image, x, y, 1 ); - } - - switch (render_depth) - { - 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; - } - } - - // Blit picture - - GdkGC *data_gc = gdk_gc_new( M_BMPDATA->m_pixmap ); - - gdk_draw_image( M_BMPDATA->m_pixmap, data_gc, data_image, 0, 0, 0, 0, width, height ); - - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); - - // Blit mask - - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( M_BMPDATA->m_mask->m_bitmap ); - - gdk_draw_image( M_BMPDATA->m_mask->m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, width, height ); - - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } - -} - -wxImage wxBitmap::ConvertToImage() const -{ - wxImage image; - - if (!Ok()) - { - wxFAIL_MSG( "invalid bitmap" ); - return image; - } - - GdkImage *gdk_image = gdk_image_get( M_BMPDATA->m_pixmap, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height ); - - if (!gdk_image) return image; - - image.Create( M_BMPDATA->m_width, M_BMPDATA->m_height ); - char unsigned *data = image.GetData(); - - - GdkVisual *visual = gdk_window_get_visual( M_BMPDATA->m_pixmap ); - if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); - int bpp = visual->depth; - - GdkColormap *cmap = gtk_widget_get_default_colormap(); - - long pos = 0; - for (int j = 0; j < M_BMPDATA->m_height; j++) - { - for (int i = 0; i < M_BMPDATA->m_width; 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; - } - - pos += 3; - } - } - - gdk_image_destroy( gdk_image ); - - return image; -} + wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" ); + return M_BMPDATA->m_bitmap; +}