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show effects of mirroring toucan image with alpha (modified part of patch 1469817)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38763 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2006-04-16 21:41:59 +00:00
parent 051924b886
commit 66df4ec643
2 changed files with 40 additions and 7 deletions
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2
samples/image/image.bkl
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@ -16,7 +16,7 @@
<files>
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
smile.xbm toucan.png
</files>
</wx-data>

45
samples/image/image.cpp
View File

@ -86,6 +86,12 @@ public:
wxBitmap *colorized_horse_jpeg;
wxBitmap my_toucan;
wxBitmap my_toucan_flipped_horiz;
wxBitmap my_toucan_flipped_vert;
wxBitmap my_toucan_flipped_both;
wxBitmap my_toucan_head;
int xH, yH ;
int m_ani_images ;
@ -305,7 +311,7 @@ public:
// setting alpha in the loop below then)
typedef wxAlphaPixelData Data;
// typedef wxNativePixelData Data;
// First, clear the whole bitmap by making it alpha
{
Data data( m_bitmap, wxPoint(0,0), wxSize(SIZE, SIZE) );
@ -487,6 +493,14 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
wxLogError(wxT("Can't load PNG image"));
else
my_horse_png = new wxBitmap( image );
image = wxImage(wxT("toucan.png"));
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_head = wxBitmap(image.GetSubImage(wxRect(40, 7, 80, 60)));
#endif // wxUSE_LIBPNG
#if wxUSE_LIBJPEG
@ -708,8 +722,8 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
dc.DrawBitmap( *my_horse_png, 30, 150 );
wxRect rect(0,0,100,100);
wxBitmap sub( my_horse_png->GetSubBitmap(rect) );
dc.DrawText( _T("GetSubBitmap()"), 280, 190 );
dc.DrawBitmap( sub, 280, 210 );
dc.DrawText( _T("GetSubBitmap()"), 280, 175 );
dc.DrawBitmap( sub, 280, 195 );
}
dc.DrawText( _T("JPEG handler"), 30, 365 );
@ -752,6 +766,25 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
if (my_horse_xpm && my_horse_xpm->Ok())
dc.DrawBitmap( *my_horse_xpm, 30, 1760 );
{
int x = 200, y = 300, yy = 170;;
dc.DrawText(wxT("Original toucan"), x+50, y);
dc.DrawBitmap(my_toucan, x, y+15);
y += yy;
dc.DrawText(wxT("Flipped horizontally"), x+50, y);
dc.DrawBitmap(my_toucan_flipped_horiz, x, y+15);
y += yy;
dc.DrawText(wxT("Flipped vertically"), x+50, y);
dc.DrawBitmap(my_toucan_flipped_vert, x, y+15);
y += yy;
dc.DrawText(wxT("Flipped both h&v"), x+50, y);
dc.DrawBitmap(my_toucan_flipped_both, x, y+15);
y += yy;
dc.DrawText(wxT("Toucan's head"), x+50, y);
dc.DrawBitmap(my_toucan_head, x, y+15);
}
if (my_smile_xbm && my_smile_xbm->Ok())
{
@ -903,12 +936,12 @@ void MyCanvas::CreateAntiAliasedBitmap()
dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );
dc.SetTextForeground( wxT("RED") );
dc.DrawText( _T("This is anti-aliased Text."), 20, 20 );
dc.DrawText( _T("And a Rectangle."), 20, 60 );
dc.DrawText( _T("This is anti-aliased Text."), 20, 5 );
dc.DrawText( _T("And a Rectangle."), 20, 45 );
dc.SetBrush( *wxRED_BRUSH );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
dc.DrawRoundedRectangle( 20, 85, 200, 180, 20 );
wxImage original= bitmap.ConvertToImage();
wxImage anti( 150, 150 );