X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f9ebac93e71d7e97259593390dcbbbe306714dce..a83ea9c15a7ac7bbdc6686164cfcbbc21ae5031a:/src/gtk1/bitmap.cpp?ds=sidebyside diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index 38a044b1aa..4950f9508a 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -16,8 +16,8 @@ #include "wx/defs.h" -#include "wx/palette.h" #include "wx/bitmap.h" +#include "wx/palette.h" #include "wx/icon.h" #include "wx/filefn.h" #include "wx/image.h" @@ -239,6 +239,9 @@ public: GdkPixmap *m_pixmap; GdkBitmap *m_bitmap; +#ifdef __WXGTK20__ + GdkPixbuf *m_pixbuf; +#endif wxMask *m_mask; int m_width; int m_height; @@ -250,6 +253,9 @@ wxBitmapRefData::wxBitmapRefData() { m_pixmap = (GdkPixmap *) NULL; m_bitmap = (GdkBitmap *) NULL; +#ifdef __WXGTK20__ + m_pixbuf = (GdkPixbuf *) NULL; +#endif m_mask = (wxMask *) NULL; m_width = 0; m_height = 0; @@ -263,6 +269,10 @@ wxBitmapRefData::~wxBitmapRefData() gdk_pixmap_unref( m_pixmap ); if (m_bitmap) gdk_bitmap_unref( m_bitmap ); +#ifdef __WXGTK20__ + if (m_pixbuf) + gdk_pixbuf_unref( m_pixbuf ); +#endif delete m_mask; delete m_palette; } @@ -352,136 +362,91 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) return *this; - - GdkImage *img = (GdkImage*) NULL; - if (GetPixmap()) - img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); - else if (GetBitmap()) - img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); - else - wxFAIL_MSG( wxT("Ill-formed bitmap") ); - - wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); - - wxBitmap bmp; - int bpp = -1; - + int width = wxMax(newx, 1); int height = wxMax(newy, 1); width = wxMin(width, clipwidth); height = wxMin(height, clipheight); - - GdkGC *gc = NULL; - GdkPixmap *dstpix = NULL; - if (GetPixmap()) - { - GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); - if (visual == NULL) - visual = wxTheApp->GetGdkVisual(); - - bpp = visual->depth; - bmp = wxBitmap(width,height,bpp); - dstpix = bmp.GetPixmap(); - gc = gdk_gc_new( dstpix ); - } + + wxBitmap bmp; - char *dst = NULL; - long dstbyteperline = 0; - - if (GetBitmap()) +#ifdef __WXGTK20__ + if (HasPixbuf()) { - bpp = 1; - dstbyteperline = width/8*M_BMPDATA->m_bpp; - if (width*M_BMPDATA->m_bpp % 8 != 0) - dstbyteperline++; - dst = (char*) malloc(dstbyteperline*height); + bmp.SetWidth(width); + bmp.SetHeight(height); + bmp.SetDepth(GetDepth()); + bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, + gdk_pixbuf_get_has_alpha(GetPixbuf()), + 8, width, height)); + gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(), + 0, 0, width, height, + clipx, clipy, + (double)newx/GetWidth(), (double)newy/GetHeight(), + GDK_INTERP_BILINEAR); } - - // be careful to use the right scaling factor - float scx = (float)M_BMPDATA->m_width/(float)newx; - float scy = (float)M_BMPDATA->m_height/(float)newy; - // prepare accel-tables - int *tablex = (int *)calloc(width,sizeof(int)); - int *tabley = (int *)calloc(height,sizeof(int)); - - // accel table filled with clipped values - for (int x = 0; x < width; x++) - tablex[x] = (int) (scx * (x+clipx)); - for (int y = 0; y < height; y++) - tabley[y] = (int) (scy * (y+clipy)); - - // Main rescaling routine starts here - for (int h = 0; h < height; h++) + else +#endif // __WXGTK20__ { - char outbyte = 0; - int old_x = -1; - guint32 old_pixval; + GdkImage *img = (GdkImage*) NULL; + if (GetPixmap()) + img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); + else if (GetBitmap()) + img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); + else + wxFAIL_MSG( wxT("Ill-formed bitmap") ); - for (int w = 0; w < width; w++) + wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); + + int bpp = -1; + + + GdkGC *gc = NULL; + GdkPixmap *dstpix = NULL; + if (GetPixmap()) { - guint32 pixval; - int x = tablex[w]; - if (x == old_x) - pixval = old_pixval; - else - { - pixval = gdk_image_get_pixel( img, x, tabley[h] ); - old_pixval = pixval; - old_x = x; - } - - if (bpp == 1) - { - if (!pixval) - { - char bit=1; - char shift = bit << w % 8; - outbyte |= shift; - } - - if ((w+1)%8==0) - { - dst[h*dstbyteperline+w/8] = outbyte; - outbyte = 0; - } - } - else - { - GdkColor col; - col.pixel = pixval; - gdk_gc_set_foreground( gc, &col ); - gdk_draw_point( dstpix, gc, w, h); - } + GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); + if (visual == NULL) + visual = wxTheApp->GetGdkVisual(); + + bpp = visual->depth; + bmp = wxBitmap(width,height,bpp); + dstpix = bmp.GetPixmap(); + gc = gdk_gc_new( dstpix ); } - - // do not forget the last byte - if ((bpp == 1) && (width % 8 != 0)) - dst[h*dstbyteperline+width/8] = outbyte; - } - - gdk_image_destroy( img ); - if (gc) gdk_gc_unref( gc ); - if (bpp == 1) - { - bmp = wxBitmap( (const char *)dst, width, height, 1 ); - free( dst ); - } - - if (GetMask()) - { - dstbyteperline = width/8; - if (width % 8 != 0) - dstbyteperline++; - dst = (char*) malloc(dstbyteperline*height); - img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); + char *dst = NULL; + long dstbyteperline = 0; + + if (GetBitmap()) + { + bpp = 1; + dstbyteperline = width/8*M_BMPDATA->m_bpp; + if (width*M_BMPDATA->m_bpp % 8 != 0) + dstbyteperline++; + dst = (char*) malloc(dstbyteperline*height); + } + + // be careful to use the right scaling factor + float scx = (float)M_BMPDATA->m_width/(float)newx; + float scy = (float)M_BMPDATA->m_height/(float)newy; + // prepare accel-tables + int *tablex = (int *)calloc(width,sizeof(int)); + int *tabley = (int *)calloc(height,sizeof(int)); + + // accel table filled with clipped values + for (int x = 0; x < width; x++) + tablex[x] = (int) (scx * (x+clipx)); + for (int y = 0; y < height; y++) + tabley[y] = (int) (scy * (y+clipy)); + // Main rescaling routine starts here for (int h = 0; h < height; h++) { char outbyte = 0; int old_x = -1; - guint32 old_pixval; - + guint32 old_pixval = 0; + for (int w = 0; w < width; w++) { guint32 pixval; @@ -494,530 +459,695 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, old_pixval = pixval; old_x = x; } - - if (pixval) + + if (bpp == 1) { - char bit=1; - char shift = bit << w % 8; - outbyte |= shift; + if (!pixval) + { + char bit=1; + char shift = bit << w % 8; + outbyte |= shift; + } + + if ((w+1)%8==0) + { + dst[h*dstbyteperline+w/8] = outbyte; + outbyte = 0; + } } - - if ((w+1)%8 == 0) + else { - dst[h*dstbyteperline+w/8] = outbyte; - outbyte = 0; + GdkColor col; + col.pixel = pixval; + gdk_gc_set_foreground( gc, &col ); + gdk_draw_point( dstpix, gc, w, h); } } // do not forget the last byte - if (width % 8 != 0) + if ((bpp == 1) && (width % 8 != 0)) dst[h*dstbyteperline+width/8] = outbyte; } - wxMask* mask = new wxMask; - mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height ); - bmp.SetMask(mask); - - free( dst ); + gdk_image_destroy( img ); - } + if (gc) gdk_gc_unref( gc ); - free( tablex ); - free( tabley ); + if (bpp == 1) + { + bmp = wxBitmap( (const char *)dst, width, height, 1 ); + free( dst ); + } + + if (GetMask()) + { + dstbyteperline = width/8; + if (width % 8 != 0) + dstbyteperline++; + dst = (char*) malloc(dstbyteperline*height); + img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); + + for (int h = 0; h < height; h++) + { + char outbyte = 0; + int old_x = -1; + guint32 old_pixval = 0; + + for (int w = 0; w < width; w++) + { + guint32 pixval; + int x = tablex[w]; + if (x == old_x) + pixval = old_pixval; + else + { + pixval = gdk_image_get_pixel( img, x, tabley[h] ); + old_pixval = pixval; + old_x = x; + } + + if (pixval) + { + char bit=1; + char shift = bit << w % 8; + outbyte |= shift; + } + + if ((w+1)%8 == 0) + { + dst[h*dstbyteperline+w/8] = outbyte; + outbyte = 0; + } + } + + // do not forget the last byte + if (width % 8 != 0) + dst[h*dstbyteperline+width/8] = outbyte; + } + wxMask* mask = new wxMask; + mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height ); + bmp.SetMask(mask); + + free( dst ); + gdk_image_destroy( img ); + } + + free( tablex ); + free( tabley ); + } return bmp; } -bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +bool wxBitmap::CreateFromImage(const wxImage& image, int depth) { UnRef(); wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") ) - int width = image.GetWidth(); - int height = image.GetHeight(); + if (image.GetWidth() <= 0 || image.GetHeight() <= 0) + return false; + + m_refData = new wxBitmapRefData(); - if ( width <= 0 || height <= 0 ) + if (depth == 1) { - return false; + return CreateFromImageAsBitmap(image); + } + else + { +#ifdef __WXGTK20__ + if (image.HasAlpha()) + return CreateFromImageAsPixbuf(image); +#endif + return CreateFromImageAsPixmap(image); } +} - m_refData = new wxBitmapRefData(); +// conversion to mono bitmap: +bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) +{ + // convert alpha channel to mask, if it is present: + wxImage image(img); + image.ConvertAlphaToMask(); + + int width = image.GetWidth(); + int height = image.GetHeight(); SetHeight( height ); SetWidth( width ); - // ------ - // conversion to mono bitmap: - // ------ - if (depth == 1) - { - SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); + SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); - SetDepth( 1 ); + SetDepth( 1 ); - GdkVisual *visual = wxTheApp->GetGdkVisual(); + GdkVisual *visual = wxTheApp->GetGdkVisual(); - // Create picture image + // Create picture image - unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - GdkImage *data_image = - gdk_image_new_bitmap( visual, data_data, width, height ); + GdkImage *data_image = + gdk_image_new_bitmap( visual, data_data, width, height ); - // Create mask image + // Create mask image - GdkImage *mask_image = (GdkImage*) NULL; + GdkImage *mask_image = (GdkImage*) NULL; - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + if (image.HasMask()) + { + unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - SetMask( mask ); - } + SetMask( mask ); + } - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); - unsigned char* data = image.GetData(); + unsigned char* data = image.GetData(); - int index = 0; - for (int y = 0; y < height; y++) + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) { - 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()) { - 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, 1 ); - else - gdk_image_put_pixel( mask_image, x, y, 0 ); - } - - if ((r == 255) && (b == 255) && (g == 255)) - gdk_image_put_pixel( data_image, x, y, 1 ); + if ((r == r_mask) && (b == b_mask) && (g == g_mask)) + gdk_image_put_pixel( mask_image, x, y, 1 ); else - gdk_image_put_pixel( data_image, x, y, 0 ); + gdk_image_put_pixel( mask_image, x, y, 0 ); + } - } // for - } // for + if ((r == 255) && (b == 255) && (g == 255)) + gdk_image_put_pixel( data_image, x, y, 1 ); + else + gdk_image_put_pixel( data_image, x, y, 0 ); - // Blit picture + } // for + } // for - GdkGC *data_gc = gdk_gc_new( GetBitmap() ); + // Blit picture - gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + GdkGC *data_gc = gdk_gc_new( GetBitmap() ); - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); + gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - // Blit mask + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + // Blit mask + + if (image.HasMask()) + { + GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); + gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } + gdk_image_destroy( mask_image ); + gdk_gc_unref( mask_gc ); } - // ------ - // conversion to colour bitmap: - // ------ - else - { - SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); + return true; +} + +// conversion to colour bitmap: +bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) +{ + // convert alpha channel to mask, if it is present: + wxImage image(img); + image.ConvertAlphaToMask(); + + int width = image.GetWidth(); + int height = image.GetHeight(); - GdkVisual *visual = wxTheApp->GetGdkVisual(); + SetHeight( height ); + SetWidth( width ); - int bpp = visual->depth; + SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); - SetDepth( bpp ); + GdkVisual *visual = wxTheApp->GetGdkVisual(); - if ((bpp == 16) && (visual->red_mask != 0xf800)) - bpp = 15; - else if (bpp < 8) - bpp = 8; + int bpp = visual->depth; - // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit - // visuals are not supported by GDK so we do these ourselves, too. - // 15-bit and 16-bit should actually work and 24-bit certainly does. + SetDepth( bpp ); + + if ((bpp == 16) && (visual->red_mask != 0xf800)) + bpp = 15; + else if (bpp < 8) + bpp = 8; + + // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit + // visuals are not supported by GDK so we do these ourselves, too. + // 15-bit and 16-bit should actually work and 24-bit certainly does. #ifdef __sgi - if (!image.HasMask() && (bpp > 16)) + if (!image.HasMask() && (bpp > 16)) #else - if (!image.HasMask() && (bpp > 12)) + if (!image.HasMask() && (bpp > 12)) #endif - { - static bool s_hasInitialized = FALSE; + { + static bool s_hasInitialized = FALSE; - if (!s_hasInitialized) - { - gdk_rgb_init(); - s_hasInitialized = TRUE; - } + if (!s_hasInitialized) + { + gdk_rgb_init(); + s_hasInitialized = TRUE; + } - GdkGC *gc = gdk_gc_new( GetPixmap() ); + GdkGC *gc = gdk_gc_new( GetPixmap() ); - gdk_draw_rgb_image( GetPixmap(), - gc, - 0, 0, - width, height, - GDK_RGB_DITHER_NONE, - image.GetData(), - width*3 ); + gdk_draw_rgb_image( GetPixmap(), + gc, + 0, 0, + width, height, + GDK_RGB_DITHER_NONE, + image.GetData(), + width*3 ); - gdk_gc_unref( gc ); - return TRUE; - } + gdk_gc_unref( gc ); + return TRUE; + } - // Create picture image + // Create picture image - GdkImage *data_image = - gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); + GdkImage *data_image = + gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); - // Create mask image + // Create mask image - GdkImage *mask_image = (GdkImage*) NULL; + GdkImage *mask_image = (GdkImage*) NULL; - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + if (image.HasMask()) + { + unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - SetMask( mask ); - } + SetMask( mask ); + } - // Render + // Render - enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; - byte_order b_o = RGB; + enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; + byte_order b_o = RGB; - if (bpp > 8) - { - 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 = RBG; - 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; - } + if (bpp > 8) + { + 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 = RBG; + 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(); + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); - unsigned char* data = image.GetData(); + unsigned char* data = image.GetData(); - int index = 0; - for (int y = 0; y < height; y++) + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) { - 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()) { - 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, 1 ); - else - gdk_image_put_pixel( mask_image, x, y, 0 ); - } + 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) + switch (bpp) + { + case 8: { - case 8: + int pixel = -1; + if (wxTheApp->m_colorCube) { - int pixel = -1; - if (wxTheApp->m_colorCube) - { - pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; - } - else + pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; + } + else + { + GdkColormap *cmap = gtk_widget_get_default_colormap(); + GdkColor *colors = cmap->colors; + int max = 3 * (65536); + + for (int i = 0; i < cmap->size; i++) { - GdkColormap *cmap = gtk_widget_get_default_colormap(); - GdkColor *colors = cmap->colors; - int max = 3 * (65536); - - 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) { pixel = i; max = sum; } - } + 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) { pixel = i; max = sum; } } + } - gdk_image_put_pixel( data_image, x, y, pixel ); + gdk_image_put_pixel( data_image, x, y, pixel ); - break; - } - case 12: // SGI only + break; + } + case 12: // SGI only + { + guint32 pixel = 0; + switch (b_o) { - guint32 pixel = 0; - switch (b_o) - { - case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; - case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; - case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; - case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; - case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; - case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; - } - gdk_image_put_pixel( data_image, x, y, pixel ); - break; + case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; + case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; + case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; + case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; + case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; + case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; } - case 15: + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 15: + { + guint32 pixel = 0; + switch (b_o) { - guint32 pixel = 0; - switch (b_o) - { - case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; - case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; - case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; - case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; - case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; - case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; - } - gdk_image_put_pixel( data_image, x, y, pixel ); - break; + case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; } - case 16: + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 16: + { + // I actually don't know if for 16-bit displays, it is alway the green + // component or the second component which has 6 bits. + guint32 pixel = 0; + switch (b_o) { - // I actually don't know if for 16-bit displays, it is alway the green - // component or the second component which has 6 bits. - guint32 pixel = 0; - switch (b_o) - { - case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; - case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; - case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; - case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; - case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; - case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; - } - gdk_image_put_pixel( data_image, x, y, pixel ); - break; + case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; } - case 32: - case 24: + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 32: + case 24: + { + guint32 pixel = 0; + switch (b_o) { - 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 ); + 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; } - default: break; + gdk_image_put_pixel( data_image, x, y, pixel ); } - } // for - } // for + default: break; + } + } // for + } // for - // Blit picture + // Blit picture - GdkGC *data_gc = gdk_gc_new( GetPixmap() ); + GdkGC *data_gc = gdk_gc_new( GetPixmap() ); - gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); - // Blit mask + // Blit mask - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + if (image.HasMask()) + { + GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); + gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } + gdk_image_destroy( mask_image ); + gdk_gc_unref( mask_gc ); } - return TRUE; + return true; } -wxImage wxBitmap::ConvertToImage() const +#ifdef __WXGTK20__ +bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) { - // the colour used as transparent one in wxImage and the one it is replaced - // with when it really occurs in the bitmap - static const int MASK_RED = 1; - static const int MASK_GREEN = 2; - static const int MASK_BLUE = 3; - static const int MASK_BLUE_REPLACEMENT = 2; + int width = image.GetWidth(); + int height = image.GetHeight(); - wxImage image; + GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, + image.HasAlpha(), + 8 /* bits per sample */, + width, height); + if (!pixbuf) + return false; - wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + wxASSERT( image.HasAlpha() ); // for now + wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 ); + wxASSERT( gdk_pixbuf_get_width(pixbuf) == width ); + wxASSERT( gdk_pixbuf_get_height(pixbuf) == height ); + + M_BMPDATA->m_pixbuf = pixbuf; + SetHeight(height); + SetWidth(width); + SetDepth(wxTheApp->GetGdkVisual()->depth); + + // Copy the data: + unsigned char *in = image.GetData(); + unsigned char *out = gdk_pixbuf_get_pixels(pixbuf); + unsigned char *alpha = image.GetAlpha(); + + int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; - GdkImage *gdk_image = (GdkImage*) NULL; - if (GetPixmap()) - { - gdk_image = gdk_image_get( GetPixmap(), - 0, 0, - GetWidth(), GetHeight() ); - } - else if (GetBitmap()) + for (int y = 0; y < height; y++, out += rowinc) { - gdk_image = gdk_image_get( GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); - } - else - { - wxFAIL_MSG( wxT("Ill-formed bitmap") ); + for (int x = 0; x < width; x++, alpha++, out += 4, in += 3) + { + out[0] = in[0]; + out[1] = in[1]; + out[2] = in[2]; + out[3] = *alpha; + } } + + return true; +} +#endif // __WXGTK20__ - wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); +wxImage wxBitmap::ConvertToImage() const +{ + wxImage image; - image.Create( GetWidth(), GetHeight() ); - char unsigned *data = image.GetData(); + wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + + image.Create(GetWidth(), GetHeight()); + unsigned char *data = image.GetData(); if (!data) { - gdk_image_destroy( gdk_image ); wxFAIL_MSG( wxT("couldn't create image") ); return wxNullImage; } - GdkImage *gdk_image_mask = (GdkImage*) NULL; - if (GetMask()) +#ifdef __WXGTK20__ + if (HasPixbuf()) { - gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); - - image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); - } + GdkPixbuf *pixbuf = GetPixbuf(); + wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) ); + + int w = GetWidth(); + int h = GetHeight(); + + image.SetAlpha(); - int bpp = -1; - int red_shift_right = 0; - int green_shift_right = 0; - int blue_shift_right = 0; - int red_shift_left = 0; - int green_shift_left = 0; - int blue_shift_left = 0; - bool use_shift = FALSE; + unsigned char *alpha = image.GetAlpha(); + unsigned char *in = gdk_pixbuf_get_pixels(pixbuf); + unsigned char *out = data; + int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w; - if (GetPixmap()) - { - GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); - if (visual == NULL) - visual = wxTheApp->GetGdkVisual(); - - bpp = visual->depth; - if (bpp == 16) - bpp = visual->red_prec + visual->green_prec + visual->blue_prec; - red_shift_right = visual->red_shift; - red_shift_left = 8-visual->red_prec; - green_shift_right = visual->green_shift; - green_shift_left = 8-visual->green_prec; - blue_shift_right = visual->blue_shift; - blue_shift_left = 8-visual->blue_prec; - - use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); + for (int y = 0; y < h; y++, in += rowinc) + { + for (int x = 0; x < w; x++, in += 4, out += 3, alpha++) + { + out[0] = in[0]; + out[1] = in[1]; + out[2] = in[2]; + *alpha = in[3]; + } + } } - if (GetBitmap()) + else +#endif // __WXGTK20__ { - bpp = 1; - } + // the colour used as transparent one in wxImage and the one it is + // replaced with when it really occurs in the bitmap + static const int MASK_RED = 1; + static const int MASK_GREEN = 2; + static const int MASK_BLUE = 3; + static const int MASK_BLUE_REPLACEMENT = 2; + GdkImage *gdk_image = (GdkImage*) NULL; - GdkColormap *cmap = gtk_widget_get_default_colormap(); + if (HasPixmap()) + { + gdk_image = gdk_image_get( GetPixmap(), + 0, 0, + GetWidth(), GetHeight() ); + } + else if (GetBitmap()) + { + gdk_image = gdk_image_get( GetBitmap(), + 0, 0, + GetWidth(), GetHeight() ); + } + else + { + wxFAIL_MSG( wxT("Ill-formed bitmap") ); + } - long pos = 0; - for (int j = 0; j < GetHeight(); j++) - { - for (int i = 0; i < GetWidth(); i++) + wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); + + GdkImage *gdk_image_mask = (GdkImage*) NULL; + if (GetMask()) { - wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); - if (bpp == 1) + gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), + 0, 0, + GetWidth(), GetHeight() ); + + image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); + } + + int bpp = -1; + int red_shift_right = 0; + int green_shift_right = 0; + int blue_shift_right = 0; + int red_shift_left = 0; + int green_shift_left = 0; + int blue_shift_left = 0; + bool use_shift = FALSE; + + if (GetPixmap()) + { + GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); + if (visual == NULL) + visual = wxTheApp->GetGdkVisual(); + + bpp = visual->depth; + if (bpp == 16) + bpp = visual->red_prec + visual->green_prec + visual->blue_prec; + red_shift_right = visual->red_shift; + red_shift_left = 8-visual->red_prec; + green_shift_right = visual->green_shift; + green_shift_left = 8-visual->green_prec; + blue_shift_right = visual->blue_shift; + blue_shift_left = 8-visual->blue_prec; + + use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); + } + if (GetBitmap()) + { + bpp = 1; + } + + + GdkColormap *cmap = gtk_widget_get_default_colormap(); + + long pos = 0; + for (int j = 0; j < GetHeight(); j++) + { + for (int i = 0; i < GetWidth(); i++) { - if (pixel == 0) + wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); + if (bpp == 1) { - data[pos] = 0; - data[pos+1] = 0; - data[pos+2] = 0; + if (pixel == 0) + { + data[pos] = 0; + data[pos+1] = 0; + data[pos+2] = 0; + } + else + { + data[pos] = 255; + data[pos+1] = 255; + data[pos+2] = 255; + } } - else + else if (use_shift) { - data[pos] = 255; - data[pos+1] = 255; - data[pos+2] = 255; + data[pos] = (pixel >> red_shift_right) << red_shift_left; + data[pos+1] = (pixel >> green_shift_right) << green_shift_left; + data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; } - } - else if (use_shift) - { - data[pos] = (pixel >> red_shift_right) << red_shift_left; - data[pos+1] = (pixel >> green_shift_right) << green_shift_left; - data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; - } - else if (cmap->colors) - { - data[pos] = cmap->colors[pixel].red >> 8; - data[pos+1] = cmap->colors[pixel].green >> 8; - data[pos+2] = cmap->colors[pixel].blue >> 8; - } - else - { - wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); - } - - if (gdk_image_mask) - { - int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); - if (mask_pixel == 0) + else if (cmap->colors) { - data[pos] = MASK_RED; - data[pos+1] = MASK_GREEN; - data[pos+2] = MASK_BLUE; + 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 ( data[pos] == MASK_RED && - data[pos+1] == MASK_GREEN && - data[pos+2] == MASK_BLUE ) + else { - data[pos+2] = MASK_BLUE_REPLACEMENT; + wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); } - } - pos += 3; + if (gdk_image_mask) + { + int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); + if (mask_pixel == 0) + { + data[pos] = MASK_RED; + data[pos+1] = MASK_GREEN; + data[pos+2] = MASK_BLUE; + } + else if ( data[pos] == MASK_RED && + data[pos+1] == MASK_GREEN && + data[pos+2] == MASK_BLUE ) + { + data[pos+2] = MASK_BLUE_REPLACEMENT; + } + } + + pos += 3; + } } - } - gdk_image_destroy( gdk_image ); - if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); + gdk_image_destroy( gdk_image ); + if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); + } return image; } @@ -1079,7 +1209,13 @@ bool wxBitmap::operator != ( const wxBitmap& bmp ) const bool wxBitmap::Ok() const { - return (m_refData != NULL); + return (m_refData != NULL) && + ( +#ifdef __WXGTK20__ + M_BMPDATA->m_pixbuf || +#endif + M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap + ); } int wxBitmap::GetHeight() const @@ -1135,22 +1271,37 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); - if (ret.GetPixmap()) +#ifdef __WXGTK20__ + if (HasPixbuf()) { - GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); - gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); - gdk_gc_destroy( gc ); + GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, + gdk_pixbuf_get_has_alpha(GetPixbuf()), + 8, GetWidth(), GetHeight()); + ret.SetPixbuf(pixbuf); + gdk_pixbuf_copy_area(GetPixbuf(), + rect.x, rect.y, rect.width, rect.height, + pixbuf, 0, 0); } else +#endif // __WXGTK20__ { - GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); - GdkColor col; - col.pixel = 0xFFFFFF; - gdk_gc_set_foreground( gc, &col ); - col.pixel = 0; - gdk_gc_set_background( gc, &col ); - gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); - gdk_gc_destroy( gc ); + if (ret.GetPixmap()) + { + GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); + gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } + else + { + GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); + GdkColor col; + col.pixel = 0xFFFFFF; + gdk_gc_set_foreground( gc, &col ); + col.pixel = 0; + gdk_gc_set_background( gc, &col ); + gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } } if (GetMask()) @@ -1269,6 +1420,9 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap ) m_refData = new wxBitmapRefData(); M_BMPDATA->m_pixmap = pixmap; +#ifdef __WXGTK20__ + PurgeOtherRepresentations(Pixmap); +#endif } void wxBitmap::SetBitmap( GdkPixmap *bitmap ) @@ -1277,18 +1431,123 @@ void wxBitmap::SetBitmap( GdkPixmap *bitmap ) m_refData = new wxBitmapRefData(); M_BMPDATA->m_bitmap = bitmap; +#ifdef __WXGTK20__ + PurgeOtherRepresentations(Pixmap); +#endif } GdkPixmap *wxBitmap::GetPixmap() const { wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); +#ifdef __WXGTK20__ + // create the pixmap on the fly if we use Pixbuf representation: + if (HasPixbuf() && !HasPixmap()) + { + delete M_BMPDATA->m_mask; + M_BMPDATA->m_mask = new wxMask(); + gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf, + &M_BMPDATA->m_pixmap, + &M_BMPDATA->m_mask->m_bitmap, + 128 /*threshold*/); + } +#endif // __WXGTK20__ + return M_BMPDATA->m_pixmap; } +bool wxBitmap::HasPixmap() const +{ + wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); + + return M_BMPDATA->m_pixmap != NULL; +} + GdkBitmap *wxBitmap::GetBitmap() const { wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_bitmap; } + +#ifdef __WXGTK20__ +GdkPixbuf *wxBitmap::GetPixbuf() const +{ + wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); + + if (HasPixmap() && !HasPixbuf()) + { + int width = GetWidth(); + int height = GetHeight(); + + GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, + GetMask() != NULL, + 8, width, height); + M_BMPDATA->m_pixbuf = + gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, + 0, 0, 0, 0, width, height); + + // apply the mask to created pixbuf: + if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask) + { + GdkPixbuf *pmask = + gdk_pixbuf_get_from_drawable(NULL, + M_BMPDATA->m_mask->GetBitmap(), + NULL, + 0, 0, 0, 0, width, height); + if (pmask) + { + guchar *bmp = gdk_pixbuf_get_pixels(pixbuf); + guchar *mask = gdk_pixbuf_get_pixels(pmask); + int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; + int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width; + + for (int y = 0; y < height; + y++, bmp += bmprowinc, mask += maskrowinc) + { + for (int x = 0; x < width; x++, bmp += 4, mask += 3) + { + if (mask[0] == 0 /*black pixel*/) + bmp[3] = 0; + } + } + + gdk_pixbuf_unref(pmask); + } + } + } + + return M_BMPDATA->m_pixbuf; +} + +bool wxBitmap::HasPixbuf() const +{ + wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); + + return M_BMPDATA->m_pixbuf != NULL; +} + +void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf ) +{ + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_pixbuf = pixbuf; + PurgeOtherRepresentations(Pixbuf); +} + +void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep) +{ + if (keep == Pixmap && HasPixbuf()) + { + gdk_pixbuf_unref( M_BMPDATA->m_pixbuf ); + M_BMPDATA->m_pixbuf = NULL; + } + if (keep == Pixbuf && HasPixmap()) + { + gdk_pixmap_unref( M_BMPDATA->m_pixmap ); + M_BMPDATA->m_pixmap = NULL; + } +} + +#endif // __WXGTK20__