X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/da9df1f51eddaf0a14aed8280186ce2d839a89c5..204e4cd6ee65758d39a89402a85ecd07ecf364f2:/samples/image/image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index b0e8976aca..f51297399e 100644
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -35,7 +35,8 @@
     #include "smile.xpm"
 #endif
 
-#if defined(__WXMSW__)
+#if defined(__WXMSW__) || defined(__WXMAC__)
+    #include "wx/rawbmp.h"
     #define wxHAVE_RAW_BITMAP
 #endif
 
@@ -145,7 +146,7 @@ public:
     MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
         : wxFrame(parent, -1, _T("Double click to save"),
                   wxDefaultPosition, wxDefaultSize,
-                  wxCAPTION | wxSYSTEM_MENU),
+                  wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
                   m_bitmap(bitmap)
     {
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
@@ -260,20 +261,24 @@ public:
     {
         SetClientSize(SIZE, SIZE);
 
-        wxRawBitmapData data(m_bitmap);
+        // another possibility: wxNativePixelData (don't forget to remove code
+        // setting alpha in the loop below then)
+        typedef wxAlphaPixelData Data;
+
+        Data data(m_bitmap, wxPoint(BORDER, BORDER), wxSize(REAL_SIZE, REAL_SIZE));
         if ( !data )
         {
             wxLogError(_T("Failed to gain raw access to bitmap data"));
             return;
         }
 
-        wxRawBitmapIterator p(data);
+        data.UseAlpha();
 
-        p.Offset(BORDER, BORDER);
+        Data::Iterator p(data);
 
         for ( int y = 0; y < REAL_SIZE; ++y )
         {
-            wxRawBitmapIterator rowStart = p;
+            Data::Iterator rowStart = p;
 
             int r = y < REAL_SIZE/3 ? 255 : 0,
                 g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
@@ -284,13 +289,13 @@ public:
                 p.Red() = r;
                 p.Green() = g;
                 p.Blue() = b;
-                p.Alpha() = x;
+                p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
 
                 ++p; // same as p.OffsetX(1)
             }
 
             p = rowStart;
-            p.OffsetY(1);
+            p.OffsetY(data, 1);
         }
     }
 
@@ -404,8 +409,8 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     image.Destroy();
 
-    image.LoadFile( dir + _T("test.png") );
-    my_square = new wxBitmap( image );
+    if ( image.LoadFile( dir + _T("test.png") ) )
+        my_square = new wxBitmap( image );
 
     image.Destroy();
 
@@ -547,20 +552,23 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     // test image loading from stream
     wxFile file(dir + _T("horse.bmp"));
-    off_t len = file.Length();
-    void *data = malloc(len);
-    if ( file.Read(data, len) != len )
-        wxLogError(_T("Reading bitmap file failed"));
-    else
+    if ( file.IsOpened() )
     {
-        wxMemoryInputStream mis(data, len);
-        if ( !image.LoadFile(mis) )
-            wxLogError(wxT("Can't load BMP image from stream"));
+        off_t len = file.Length();
+        void *data = malloc(len);
+        if ( file.Read(data, len) != len )
+            wxLogError(_T("Reading bitmap file failed"));
         else
-            my_horse_bmp2 = new wxBitmap( image );
-    }
+        {
+            wxMemoryInputStream mis(data, len);
+            if ( !image.LoadFile(mis) )
+                wxLogError(wxT("Can't load BMP image from stream"));
+            else
+                my_horse_bmp2 = new wxBitmap( image );
+        }
 
-    free(data);
+        free(data);
+    }
 }
 
 MyCanvas::~MyCanvas()
@@ -828,6 +836,7 @@ MyFrame::MyFrame()
 
   wxMenu *menuImage = new wxMenu;
   menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
+
 #ifdef wxHAVE_RAW_BITMAP
   menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
 #endif
@@ -901,15 +910,21 @@ void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
     wxBitmapDataObject *dobjBmp = new wxBitmapDataObject;
     dobjBmp->SetBitmap(*m_canvas->my_horse_png);
 
+    wxTheClipboard->Open();
+
     if ( !wxTheClipboard->SetData(dobjBmp) )
     {
         wxLogError(_T("Failed to copy bitmap to clipboard"));
     }
+
+    wxTheClipboard->Close();
 }
 
 void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject dobjBmp;
+
+    wxTheClipboard->Open();
     if ( !wxTheClipboard->GetData(dobjBmp) )
     {
         wxLogMessage(_T("No bitmap data in the clipboard"));
@@ -918,6 +933,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     {
         (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
     }
+    wxTheClipboard->Close();
 }
 
 #endif // wxUSE_CLIPBOARD