Show grey version of image with alpha channel.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39620 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Włodzimierz Skiba
2006-06-07 16:59:33 +00:00
parent d0e834f399
commit 9061c15cee
2 changed files with 14 additions and 5 deletions

View File

@@ -89,6 +89,7 @@ public:
wxBitmap my_toucan_flipped_horiz;
wxBitmap my_toucan_flipped_vert;
wxBitmap my_toucan_flipped_both;
wxBitmap my_toucan_grey;
wxBitmap my_toucan_head;
int xH, yH ;
@@ -468,11 +469,15 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
else
my_horse_png = wxBitmap( image );
image = wxImage(wxT("toucan.png"));
if ( !image.LoadFile( dir + _T("toucan.png")) )
wxLogError(wxT("Can't load PNG image"));
else
my_toucan = wxBitmap(image);
my_toucan_flipped_horiz = wxBitmap(image.Mirror(true));
my_toucan_flipped_vert = wxBitmap(image.Mirror(false));
my_toucan_flipped_both = wxBitmap(image.Mirror(true).Mirror(false));
my_toucan_grey = wxBitmap(image.ConvertToGreyscale());
my_toucan_head = wxBitmap(image.GetSubImage(wxRect(40, 7, 80, 60)));
#endif // wxUSE_LIBPNG
@@ -752,6 +757,10 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
dc.DrawText(wxT("Flipped both h&v"), x+50, y);
dc.DrawBitmap(my_toucan_flipped_both, x, y+15);
y += yy;
dc.DrawText(wxT("In greyscale"), x+50, y);
dc.DrawBitmap(my_toucan_grey, x, y+15);
y += yy;
dc.DrawText(wxT("Toucan's head"), x+50, y);
dc.DrawBitmap(my_toucan_head, x, y+15);

View File

@@ -247,7 +247,7 @@ $(OBJS)\image.exe : $(IMAGE_OBJECTS) $(OBJS)\image_image.res
data : .SYMBOLIC
if not exist $(OBJS) mkdir $(OBJS)
for %f in (horse.png horse.jpg horse.bmp horse.gif horse.pcx horse.pnm horse_ag.pnm horse_rg.pnm horse.tif horse.xpm horse.cur horse.ico horse3.ani smile.xbm) do if not exist $(OBJS)\%f copy .\%f $(OBJS)
for %f in (horse.png horse.jpg horse.bmp horse.gif horse.pcx horse.pnm horse_ag.pnm horse_rg.pnm horse.tif horse.xpm horse.cur horse.ico horse3.ani smile.xbm toucan.png cmyk.jpg) do if not exist $(OBJS)\%f copy .\%f $(OBJS)
$(OBJS)\image_image.obj : .AUTODEPEND .\image.cpp
$(CXX) -bt=nt -zq -fo=$^@ $(IMAGE_CXXFLAGS) $<