GdkVisual *visual = wxTheApp->GetGdkVisual();
int bpp = visual->depth;
- if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
if (bpp == 15)
{
red = red & 0xf8;
green = green & 0xf8;
blue = blue & 0xf8;
- } else
- if (bpp == 16)
+ }
+ else if (bpp == 16)
{
red = red & 0xf8;
green = green & 0xfc;
blue = blue & 0xf8;
- } else
- if (bpp == 12)
+ }
+ else if (bpp == 12)
{
red = red & 0xf0;
green = green & 0xf0;
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = visual->depth; // ?
+ M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
return TRUE;
}
m_refData = new wxBitmapRefData();
// ------
- // convertion to mono bitmap:
+ // conversion to mono bitmap:
// ------
if (depth == 1)
{
SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
SetDepth( 1 );
-
+
GdkVisual *visual = wxTheApp->GetGdkVisual();
// Create picture image
}
// ------
- // convertion to colour bitmap:
+ // conversion to colour bitmap:
// ------
else
{
int bpp = visual->depth;
SetDepth( bpp );
-
- if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
- if (bpp < 8) bpp = 8;
- // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
+ 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
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;
if (sum < max) { pixel = i; max = sum; }
}
}
-
+
gdk_image_put_pixel( data_image, x, y, pixel );
-
+
break;
}
case 12: // SGI only
wxImage wxBitmap::ConvertToImage() const
{
+ // 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;
+
wxImage image;
wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
if (GetPixmap())
{
gdk_image = gdk_image_get( GetPixmap(),
- 0, 0,
- GetWidth(), GetHeight() );
- } else
- if (GetBitmap())
+ 0, 0,
+ GetWidth(), GetHeight() );
+ }
+ else if (GetBitmap())
{
gdk_image = gdk_image_get( GetBitmap(),
- 0, 0,
- GetWidth(), GetHeight() );
- } else
+ 0, 0,
+ GetWidth(), GetHeight() );
+ }
+ else
{
wxFAIL_MSG( wxT("Ill-formed bitmap") );
}
image.Create( GetWidth(), GetHeight() );
char unsigned *data = image.GetData();
-
+
if (!data)
{
gdk_image_destroy( gdk_image );
if (GetMask())
{
gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
- 0, 0,
- GetWidth(), GetHeight() );
+ 0, 0,
+ GetWidth(), GetHeight() );
- image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
+ image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
}
int bpp = -1;
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;
+ 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;
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;
+ 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;
}
}
}
wxBitmap::wxBitmap( const wxBitmap& bmp )
+ : wxGDIObject()
{
Ref( bmp );
}