void GreyOutImage(wxImage &img)
{
unsigned char *data = img.GetData();
unsigned char r,g,b;
unsigned char mr,mg,mb;
int i, tst;
int len = img.GetHeight()*img.GetWidth()*3;
if (img.HasMask())
{
mr = img.GetMaskRed();
mg = img.GetMaskGreen();
mb = img.GetMaskBlue();
}
tst=0;
for (i=0;i<len;i+=3)
{
r=data[i]; g=data[i+1]; b=data[i+2];
if (!img.HasMask() ||
r!=mr || g!=mg || b!=mb)
{
if (!tst)
{
tst=1;
}
r = (unsigned char)((230.0-r)*0.7+r);
g = (unsigned char)((230.0-g)*0.7+g);
b = (unsigned char)((230.0-b)*0.7+b);
data[i]=r; data[i+1]=g; data[i+2]=b;
}
}
}
wxImage tintImage( wxImage to_colorize, wxColour col)
{
wxImage highlightIcon(to_colorize.GetWidth(),to_colorize.GetHeight());
bool do_alpha = false;
if(to_colorize.HasAlpha())
{
highlightIcon.InitAlpha();
do_alpha = true;
}
else if(to_colorize.HasMask())
{
highlightIcon.SetMaskFromImage(to_colorize,to_colorize.GetMaskRed(),to_colorize.GetMaskGreen(),to_colorize.GetMaskBlue());
}
for(int x = 0; x < highlightIcon.GetWidth(); x++)
{
for(int y = 0; y < highlightIcon.GetHeight(); y++)
{
to_colorize.GetData();
unsigned char srcR = to_colorize.GetRed(x,y);
unsigned char srcG = to_colorize.GetGreen(x,y);
unsigned char srcB = to_colorize.GetBlue(x,y);
highlightIcon.SetRGB(x,y,(srcR + col.Red())/2,(srcG + col.Green())/2, (srcB + col.Blue())/2);
if(do_alpha)
highlightIcon.SetAlpha(x,y,to_colorize.GetAlpha(x,y));
}
}
return highlightIcon;
}
void wxCursor::InitFromImage( const wxImage & image )
{
const int w = image.GetWidth();
const int h = image.GetHeight();
const guchar* alpha = image.GetAlpha();
const bool hasMask = image.HasMask();
int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
if (hotSpotX < 0 || hotSpotX > w) hotSpotX = 0;
if (hotSpotY < 0 || hotSpotY > h) hotSpotY = 0;
GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(image.GetData(), GDK_COLORSPACE_RGB, false, 8, w, h, w * 3, NULL, NULL);
if (alpha || hasMask)
{
guchar r = 0, g = 0, b = 0;
if (hasMask)
{
r = image.GetMaskRed();
g = image.GetMaskGreen();
b = image.GetMaskBlue();
}
GdkPixbuf* pixbuf0 = pixbuf;
pixbuf = gdk_pixbuf_add_alpha(pixbuf, hasMask, r, g, b);
g_object_unref(pixbuf0);
if (alpha)
{
guchar* d = gdk_pixbuf_get_pixels(pixbuf);
const int stride = gdk_pixbuf_get_rowstride(pixbuf);
for (int j = 0; j < h; j++, d += stride)
for (int i = 0; i < w; i++, alpha++)
if (d[4 * i + 3])
d[4 * i + 3] = *alpha;
}
}
m_refData = new wxCursorRefData;
M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY);
g_object_unref(pixbuf);
}
void
wxSetIconsX11(WXDisplay* display, WXWindow window, const wxIconBundle& ib)
{
size_t size = 0;
const size_t numIcons = ib.GetIconCount();
for ( size_t i = 0; i < numIcons; ++i )
{
const wxIcon icon = ib.GetIconByIndex(i);
size += 2 + icon.GetWidth() * icon.GetHeight();
}
wxMAKE_ATOM(_NET_WM_ICON, (Display*)display);
if ( size > 0 )
{
unsigned long* data = new unsigned long[size];
unsigned long* ptr = data;
for ( size_t i = 0; i < numIcons; ++i )
{
const wxImage image = ib.GetIconByIndex(i).ConvertToImage();
int width = image.GetWidth(),
height = image.GetHeight();
unsigned char* imageData = image.GetData();
unsigned char* imageDataEnd = imageData + ( width * height * 3 );
bool hasMask = image.HasMask();
unsigned char rMask, gMask, bMask;
unsigned char r, g, b, a;
if( hasMask )
{
rMask = image.GetMaskRed();
gMask = image.GetMaskGreen();
bMask = image.GetMaskBlue();
}
else // no mask, but still init the variables to avoid warnings
{
rMask =
gMask =
bMask = 0;
}
*ptr++ = width;
*ptr++ = height;
while ( imageData < imageDataEnd )
{
r = imageData[0];
g = imageData[1];
b = imageData[2];
if( hasMask && r == rMask && g == gMask && b == bMask )
a = 0;
else
a = 255;
*ptr++ = ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | b;
imageData += 3;
}
}
XChangeProperty( (Display*)display,
WindowCast(window),
_NET_WM_ICON,
XA_CARDINAL, 32,
PropModeReplace,
(unsigned char*)data, size );
delete[] data;
}
else
{
XDeleteProperty( (Display*)display,
WindowCast(window),
_NET_WM_ICON );
}
}
void wxSetIconsX11( WXDisplay* display, WXWindow window,
const wxIconBundle& ib )
{
#if !wxUSE_NANOX
size_t size = 0;
size_t i, max = ib.m_icons.GetCount();
for( i = 0; i < max; ++i )
if( ib.m_icons[i].Ok() )
size += 2 + ib.m_icons[i].GetWidth() * ib.m_icons[i].GetHeight();
wxMAKE_ATOM(_NET_WM_ICON, (Display*)display);
if( size > 0 )
{
// The code below is correct for 64-bit machines also.
// wxUint32* data = new wxUint32[size];
// wxUint32* ptr = data;
unsigned long* data = new unsigned long[size];
unsigned long* ptr = data;
for( i = 0; i < max; ++i )
{
const wxImage image = ib.m_icons[i].ConvertToImage();
int width = image.GetWidth(), height = image.GetHeight();
unsigned char* imageData = image.GetData();
unsigned char* imageDataEnd = imageData + ( width * height * 3 );
bool hasMask = image.HasMask();
unsigned char rMask, gMask, bMask;
unsigned char r, g, b, a;
if( hasMask )
{
rMask = image.GetMaskRed();
gMask = image.GetMaskGreen();
bMask = image.GetMaskBlue();
}
else // no mask, but still init the variables to avoid warnings
{
rMask =
gMask =
bMask = 0;
}
*ptr++ = width;
*ptr++ = height;
while( imageData < imageDataEnd ) {
r = imageData[0];
g = imageData[1];
b = imageData[2];
if( hasMask && r == rMask && g == gMask && b == bMask )
a = 0;
else
a = 255;
*ptr++ = ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | b;
imageData += 3;
}
}
XChangeProperty( (Display*)display,
WindowCast(window),
_NET_WM_ICON,
XA_CARDINAL, 32,
PropModeReplace,
(unsigned char*)data, size );
delete[] data;
}
else
{
XDeleteProperty( (Display*)display,
WindowCast(window),
_NET_WM_ICON );
}
#endif // !wxUSE_NANOX
}