1 /////////////////////////////////////////////////////////////////////////////
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
11 #pragma implementation "bitmap.h"
16 #include "wx/palette.h"
17 #include "wx/bitmap.h"
19 #include "wx/filefn.h"
21 #include "wx/dcmemory.h"
28 #if (GTK_MINOR_VERSION > 0)
29 #include <gdk/gdkrgb.h>
32 extern void gdk_wx_draw_bitmap (GdkDrawable *drawable,
42 //-----------------------------------------------------------------------------
44 //-----------------------------------------------------------------------------
46 extern GtkWidget *wxGetRootWindow();
48 //-----------------------------------------------------------------------------
50 //-----------------------------------------------------------------------------
52 IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
56 m_bitmap = (GdkBitmap *) NULL;
59 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
61 m_bitmap = (GdkBitmap *) NULL;
62 Create( bitmap, colour );
65 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
67 m_bitmap = (GdkBitmap *) NULL;
68 Create( bitmap, paletteIndex );
71 wxMask::wxMask( const wxBitmap& bitmap )
73 m_bitmap = (GdkBitmap *) NULL;
80 gdk_bitmap_unref( m_bitmap );
83 bool wxMask::Create( const wxBitmap& bitmap,
84 const wxColour& colour )
88 gdk_bitmap_unref( m_bitmap );
89 m_bitmap = (GdkBitmap*) NULL;
92 wxImage image( bitmap );
93 if (!image.Ok()) return FALSE;
95 m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
96 GdkGC *gc = gdk_gc_new( m_bitmap );
103 gdk_gc_set_foreground( gc, &color );
104 gdk_gc_set_fill( gc, GDK_SOLID );
105 gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
107 unsigned char *data = image.GetData();
110 unsigned char red = colour.Red();
111 unsigned char green = colour.Green();
112 unsigned char blue = colour.Blue();
114 GdkVisual *visual = wxTheApp->GetGdkVisual();
116 int bpp = visual->depth;
117 if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
121 green = green & 0xf8;
127 green = green & 0xfc;
133 green = green & 0xf0;
141 gdk_gc_set_foreground( gc, &color );
143 for (int j = 0; j < image.GetHeight(); j++)
147 for (i = 0; i < image.GetWidth(); i++)
149 if ((data[index] == red) &&
150 (data[index+1] == green) &&
151 (data[index+2] == blue))
160 gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
167 gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
175 bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
178 wxPalette *pal = bitmap.GetPalette();
180 wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
182 pal->GetRGB(paletteIndex, &r, &g, &b);
184 return Create(bitmap, wxColour(r, g, b));
187 bool wxMask::Create( const wxBitmap& bitmap )
191 gdk_bitmap_unref( m_bitmap );
192 m_bitmap = (GdkBitmap*) NULL;
195 if (!bitmap.Ok()) return FALSE;
197 wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
199 m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
201 if (!m_bitmap) return FALSE;
203 GdkGC *gc = gdk_gc_new( m_bitmap );
205 gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
212 GdkBitmap *wxMask::GetBitmap() const
217 //-----------------------------------------------------------------------------
219 //-----------------------------------------------------------------------------
221 class wxBitmapRefData: public wxObjectRefData
233 wxPalette *m_palette;
236 wxBitmapRefData::wxBitmapRefData()
238 m_pixmap = (GdkPixmap *) NULL;
239 m_bitmap = (GdkBitmap *) NULL;
240 m_mask = (wxMask *) NULL;
244 m_palette = (wxPalette *) NULL;
247 wxBitmapRefData::~wxBitmapRefData()
249 if (m_pixmap) gdk_pixmap_unref( m_pixmap );
250 if (m_bitmap) gdk_bitmap_unref( m_bitmap );
251 if (m_mask) delete m_mask;
252 if (m_palette) delete m_palette;
255 //-----------------------------------------------------------------------------
257 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
259 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
265 wxBitmap::wxBitmap( int width, int height, int depth )
267 Create( width, height, depth );
270 bool wxBitmap::Create( int width, int height, int depth )
274 wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )
276 GdkVisual *visual = wxTheApp->GetGdkVisual();
278 if (depth == -1) depth = visual->depth;
280 wxCHECK_MSG( (depth == visual->depth) ||
281 (depth == 1), FALSE, wxT("invalid bitmap depth") )
283 m_refData = new wxBitmapRefData();
284 M_BMPDATA->m_mask = (wxMask *) NULL;
285 M_BMPDATA->m_width = width;
286 M_BMPDATA->m_height = height;
289 M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
290 M_BMPDATA->m_bpp = 1;
294 M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
295 M_BMPDATA->m_bpp = visual->depth;
301 bool wxBitmap::CreateFromXpm( const char **bits )
303 wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
305 GdkVisual *visual = wxTheApp->GetGdkVisual();
307 m_refData = new wxBitmapRefData();
309 GdkBitmap *mask = (GdkBitmap*) NULL;
311 M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
313 wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
317 M_BMPDATA->m_mask = new wxMask();
318 M_BMPDATA->m_mask->m_bitmap = mask;
321 gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
323 M_BMPDATA->m_bpp = visual->depth; // ?
328 bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
330 wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
331 wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
333 m_refData = new wxBitmapRefData();
336 // convertion to mono bitmap:
340 int width = image.GetWidth();
341 int height = image.GetHeight();
346 SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
350 GdkVisual *visual = wxTheApp->GetGdkVisual();
352 // Create picture image
354 unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
356 GdkImage *data_image =
357 gdk_image_new_bitmap( visual, data_data, width, height );
361 GdkImage *mask_image = (GdkImage*) NULL;
365 unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
367 mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
369 wxMask *mask = new wxMask();
370 mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
375 int r_mask = image.GetMaskRed();
376 int g_mask = image.GetMaskGreen();
377 int b_mask = image.GetMaskBlue();
379 unsigned char* data = image.GetData();
382 for (int y = 0; y < height; y++)
384 for (int x = 0; x < width; x++)
395 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
396 gdk_image_put_pixel( mask_image, x, y, 1 );
398 gdk_image_put_pixel( mask_image, x, y, 0 );
401 if ((r == 255) && (b == 255) && (g == 255))
402 gdk_image_put_pixel( data_image, x, y, 1 );
404 gdk_image_put_pixel( data_image, x, y, 0 );
411 GdkGC *data_gc = gdk_gc_new( GetBitmap() );
413 gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
415 gdk_image_destroy( data_image );
416 gdk_gc_unref( data_gc );
422 GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
424 gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
426 gdk_image_destroy( mask_image );
427 gdk_gc_unref( mask_gc );
432 // convertion to colour bitmap:
436 int width = image.GetWidth();
437 int height = image.GetHeight();
442 SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
444 GdkVisual *visual = wxTheApp->GetGdkVisual();
446 int bpp = visual->depth;
450 if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
451 if (bpp < 8) bpp = 8;
453 // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
454 // visuals are not supported by GDK so we do these ourselves, too.
455 // 15-bit and 16-bit should actually work and 24-bit certainly does.
457 if (!image.HasMask() && (bpp > 16))
459 if (!image.HasMask() && (bpp > 12))
462 static bool s_hasInitialized = FALSE;
464 if (!s_hasInitialized)
467 s_hasInitialized = TRUE;
470 GdkGC *gc = gdk_gc_new( GetPixmap() );
472 gdk_draw_rgb_image( GetPixmap(),
484 // Create picture image
486 GdkImage *data_image =
487 gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
491 GdkImage *mask_image = (GdkImage*) NULL;
495 unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
497 mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
499 wxMask *mask = new wxMask();
500 mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
507 enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
508 byte_order b_o = RGB;
512 if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
513 else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
514 else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
515 else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
516 else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
517 else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
520 int r_mask = image.GetMaskRed();
521 int g_mask = image.GetMaskGreen();
522 int b_mask = image.GetMaskBlue();
524 unsigned char* data = image.GetData();
527 for (int y = 0; y < height; y++)
529 for (int x = 0; x < width; x++)
540 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
541 gdk_image_put_pixel( mask_image, x, y, 1 );
543 gdk_image_put_pixel( mask_image, x, y, 0 );
551 if (wxTheApp->m_colorCube)
553 pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
557 GdkColormap *cmap = gtk_widget_get_default_colormap();
558 GdkColor *colors = cmap->colors;
559 int max = 3 * (65536);
561 for (int i = 0; i < cmap->size; i++)
563 int rdiff = (r << 8) - colors[i].red;
564 int gdiff = (g << 8) - colors[i].green;
565 int bdiff = (b << 8) - colors[i].blue;
566 int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
567 if (sum < max) { pixel = i; max = sum; }
571 gdk_image_put_pixel( data_image, x, y, pixel );
580 case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
581 case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
582 case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
583 case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
584 case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
585 case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
587 gdk_image_put_pixel( data_image, x, y, pixel );
595 case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
596 case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
597 case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
598 case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
599 case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
600 case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
602 gdk_image_put_pixel( data_image, x, y, pixel );
607 // I actually don't know if for 16-bit displays, it is alway the green
608 // component or the second component which has 6 bits.
612 case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
613 case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
614 case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
615 case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
616 case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
617 case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
619 gdk_image_put_pixel( data_image, x, y, pixel );
628 case RGB: pixel = (r << 16) | (g << 8) | b; break;
629 case RBG: pixel = (r << 16) | (b << 8) | g; break;
630 case BRG: pixel = (b << 16) | (r << 8) | g; break;
631 case BGR: pixel = (b << 16) | (g << 8) | r; break;
632 case GRB: pixel = (g << 16) | (r << 8) | b; break;
633 case GBR: pixel = (g << 16) | (b << 8) | r; break;
635 gdk_image_put_pixel( data_image, x, y, pixel );
644 GdkGC *data_gc = gdk_gc_new( GetPixmap() );
646 gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
648 gdk_image_destroy( data_image );
649 gdk_gc_unref( data_gc );
655 GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
657 gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
659 gdk_image_destroy( mask_image );
660 gdk_gc_unref( mask_gc );
667 wxImage wxBitmap::ConvertToImage() const
671 wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
673 GdkImage *gdk_image = (GdkImage*) NULL;
676 gdk_image = gdk_image_get( GetPixmap(),
678 GetWidth(), GetHeight() );
682 gdk_image = gdk_image_get( GetBitmap(),
684 GetWidth(), GetHeight() );
687 wxFAIL_MSG( wxT("Ill-formed bitmap") );
690 wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
692 image.Create( GetWidth(), GetHeight() );
693 char unsigned *data = image.GetData();
697 gdk_image_destroy( gdk_image );
698 wxFAIL_MSG( wxT("couldn't create image") );
702 GdkImage *gdk_image_mask = (GdkImage*) NULL;
705 gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
707 GetWidth(), GetHeight() );
709 image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
713 int red_shift_right = 0;
714 int green_shift_right = 0;
715 int blue_shift_right = 0;
716 int red_shift_left = 0;
717 int green_shift_left = 0;
718 int blue_shift_left = 0;
719 bool use_shift = FALSE;
723 GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
725 visual = wxTheApp->GetGdkVisual();
728 if (bpp == 16) bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
729 red_shift_right = visual->red_shift;
730 red_shift_left = 8-visual->red_prec;
731 green_shift_right = visual->green_shift;
732 green_shift_left = 8-visual->green_prec;
733 blue_shift_right = visual->blue_shift;
734 blue_shift_left = 8-visual->blue_prec;
736 use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
744 GdkColormap *cmap = gtk_widget_get_default_colormap();
747 for (int j = 0; j < GetHeight(); j++)
749 for (int i = 0; i < GetWidth(); i++)
751 wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
769 data[pos] = (pixel >> red_shift_right) << red_shift_left;
770 data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
771 data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left;
773 else if (cmap->colors)
775 data[pos] = cmap->colors[pixel].red >> 8;
776 data[pos+1] = cmap->colors[pixel].green >> 8;
777 data[pos+2] = cmap->colors[pixel].blue >> 8;
781 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
786 int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
799 gdk_image_destroy( gdk_image );
800 if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
805 wxBitmap::wxBitmap( const wxBitmap& bmp )
810 wxBitmap::wxBitmap( const wxString &filename, int type )
812 LoadFile( filename, type );
815 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
817 m_refData = new wxBitmapRefData();
819 M_BMPDATA->m_mask = (wxMask *) NULL;
820 M_BMPDATA->m_bitmap =
821 gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );
822 M_BMPDATA->m_width = width;
823 M_BMPDATA->m_height = height;
824 M_BMPDATA->m_bpp = 1;
826 wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
829 wxBitmap::~wxBitmap()
833 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
835 if ( m_refData != bmp.m_refData )
841 bool wxBitmap::operator == ( const wxBitmap& bmp ) const
843 return m_refData == bmp.m_refData;
846 bool wxBitmap::operator != ( const wxBitmap& bmp ) const
848 return m_refData != bmp.m_refData;
851 bool wxBitmap::Ok() const
853 return (m_refData != NULL);
856 int wxBitmap::GetHeight() const
858 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
860 return M_BMPDATA->m_height;
863 int wxBitmap::GetWidth() const
865 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
867 return M_BMPDATA->m_width;
870 int wxBitmap::GetDepth() const
872 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
874 return M_BMPDATA->m_bpp;
877 wxMask *wxBitmap::GetMask() const
879 wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
881 return M_BMPDATA->m_mask;
884 void wxBitmap::SetMask( wxMask *mask )
886 wxCHECK_RET( Ok(), wxT("invalid bitmap") );
888 if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
890 M_BMPDATA->m_mask = mask;
893 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
899 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
902 (rect.x >= 0) && (rect.y >= 0) &&
903 (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
904 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
906 wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
907 wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
911 GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
912 gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
913 gdk_gc_destroy( gc );
917 GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
918 gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
919 gdk_gc_destroy( gc );
924 wxMask *mask = new wxMask;
925 mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
927 GdkGC *gc = gdk_gc_new( mask->m_bitmap );
928 gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
929 gdk_gc_destroy( gc );
937 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
939 wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
941 // Try to save the bitmap via wxImage handlers:
943 wxImage image( *this );
944 if (image.Ok()) return image.SaveFile( name, type );
950 bool wxBitmap::LoadFile( const wxString &name, int type )
954 if (!wxFileExists(name)) return FALSE;
956 GdkVisual *visual = wxTheApp->GetGdkVisual();
958 if (type == wxBITMAP_TYPE_XPM)
960 m_refData = new wxBitmapRefData();
962 GdkBitmap *mask = (GdkBitmap*) NULL;
964 M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxGetRootWindow()->window, &mask, NULL, name.fn_str() );
968 M_BMPDATA->m_mask = new wxMask();
969 M_BMPDATA->m_mask->m_bitmap = mask;
972 gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
974 M_BMPDATA->m_bpp = visual->depth;
976 else // try if wxImage can load it
979 if (!image.LoadFile( name, type )) return FALSE;
980 if (image.Ok()) *this = image.ConvertToBitmap();
987 wxPalette *wxBitmap::GetPalette() const
989 if (!Ok()) return (wxPalette *) NULL;
991 return M_BMPDATA->m_palette;
994 void wxBitmap::SetHeight( int height )
996 if (!m_refData) m_refData = new wxBitmapRefData();
998 M_BMPDATA->m_height = height;
1001 void wxBitmap::SetWidth( int width )
1003 if (!m_refData) m_refData = new wxBitmapRefData();
1005 M_BMPDATA->m_width = width;
1008 void wxBitmap::SetDepth( int depth )
1010 if (!m_refData) m_refData = new wxBitmapRefData();
1012 M_BMPDATA->m_bpp = depth;
1015 void wxBitmap::SetPixmap( GdkPixmap *pixmap )
1017 if (!m_refData) m_refData = new wxBitmapRefData();
1019 M_BMPDATA->m_pixmap = pixmap;
1022 void wxBitmap::SetBitmap( GdkPixmap *bitmap )
1024 if (!m_refData) m_refData = new wxBitmapRefData();
1026 M_BMPDATA->m_bitmap = bitmap;
1029 GdkPixmap *wxBitmap::GetPixmap() const
1031 wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
1033 return M_BMPDATA->m_pixmap;
1036 GdkBitmap *wxBitmap::GetBitmap() const
1038 wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
1040 return M_BMPDATA->m_bitmap;