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Show grey version of image with alpha channel.

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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
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15
samples/image/image.cpp
View File

@ -17,7 +17,7 @@
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/wx.h"
#endif
#include "wx/image.h"
@ -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"));
my_toucan = wxBitmap(image);
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);

4
samples/image/makefile.wat
View File

@ -240,14 +240,14 @@ $(OBJS)\image.exe : $(IMAGE_OBJECTS) $(OBJS)\image_image.res
@%append $(OBJS)\image.lbc option caseexact
@%append $(OBJS)\image.lbc $(LDFLAGS) $(__DEBUGINFO_1) libpath $(LIBDIRNAME) system nt_win ref '_WinMain@16'
@for %i in ($(IMAGE_OBJECTS)) do @%append $(OBJS)\image.lbc file %i
@for %i in ( $(__WXLIB_CORE_p) $(__WXLIB_BASE_p) $(__WXLIB_MONO_p) $(__LIB_TIFF_p) $(__LIB_JPEG_p) $(__LIB_PNG_p) wxzlib$(WXDEBUGFLAG).lib wxregex$(WXUNICODEFLAG)$(WXDEBUGFLAG).lib wxexpat$(WXDEBUGFLAG).lib $(EXTRALIBS_FOR_BASE) kernel32.lib user32.lib gdi32.lib comdlg32.lib winspool.lib winmm.lib shell32.lib comctl32.lib ole32.lib oleaut32.lib uuid.lib rpcrt4.lib advapi32.lib wsock32.lib odbc32.lib ) do @%append $(OBJS)\image.lbc library %i
@for %i in ( $(__WXLIB_CORE_p) $(__WXLIB_BASE_p) $(__WXLIB_MONO_p) $(__LIB_TIFF_p) $(__LIB_JPEG_p) $(__LIB_PNG_p) wxzlib$(WXDEBUGFLAG).lib wxregex$(WXUNICODEFLAG)$(WXDEBUGFLAG).lib wxexpat$(WXDEBUGFLAG).lib $(EXTRALIBS_FOR_BASE) kernel32.lib user32.lib gdi32.lib comdlg32.lib winspool.lib winmm.lib shell32.lib comctl32.lib ole32.lib oleaut32.lib uuid.lib rpcrt4.lib advapi32.lib wsock32.lib odbc32.lib) do @%append $(OBJS)\image.lbc library %i
@%append $(OBJS)\image.lbc option resource=$(OBJS)\image_image.res
@for %i in () do @%append $(OBJS)\image.lbc option stack=%i
wlink @$(OBJS)\image.lbc
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) $<