X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b3f04dc2b271e247330255c8492556587b791fc1..0d8b87ac8ae0ababd4c0d725142532f6d592fdb2:/samples/image/image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index e49cb5a282..7d6f8acd75 100644
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -24,13 +24,22 @@
 #include "wx/wfstream.h"
 #include "wx/quantize.h"
 
+#if wxUSE_CLIPBOARD
+    #include "wx/dataobj.h"
+    #include "wx/clipbrd.h"
+#endif // wxUSE_CLIPBOARD
+
 #include "smile.xbm"
 
 #if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
     #include "smile.xpm"
 #endif
 
-#define wxHAVE_RAW_BITMAP
+#if defined(__WXMSW__) || defined(__WXMAC__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif
+#endif
 
 // derived classes
 
@@ -120,6 +129,11 @@ public:
 #endif // wxHAVE_RAW_BITMAP
     void OnQuit( wxCommandEvent &event );
 
+#if wxUSE_CLIPBOARD
+    void OnCopy(wxCommandEvent& event);
+    void OnPaste(wxCommandEvent& event);
+#endif // wxUSE_CLIPBOARD
+
     MyCanvas         *m_canvas;
 
 private:
@@ -133,7 +147,7 @@ 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());
@@ -248,20 +262,24 @@ 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,
@@ -272,13 +290,13 @@ 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);
         }
     }
 
@@ -392,8 +410,8 @@ 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();
 
@@ -529,28 +547,29 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
         else    
             my_horse_ani [i] = wxBitmap( image );
     }
-    
-    
-#endif
+#endif // wxUSE_ICO_CUR
 
     image.Destroy();
 
     // 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()
@@ -665,7 +684,10 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     memdc.SetBrush( *wxWHITE_BRUSH );
     memdc.DrawRectangle( 0,0,60,50 );
     memdc.SetTextForeground( *wxBLACK );
+#ifndef __WXGTK20__
+    // I cannot convince GTK2 to draw into mono bitmaps
     memdc.DrawText( _T("Hi!"), 5, 5 );
+#endif
     memdc.SetBrush( *wxBLACK_BRUSH );
     memdc.DrawRectangle( 33,5,20,20 );
     memdc.SetPen( *wxRED_PEN );
@@ -694,17 +716,41 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
         dc.SetTextForeground( wxT("BLACK") );
     }
 
-    dc.DrawText(_T("XPM bitmap"), 30, 2230);
+    // For testing transparency
+    dc.SetBrush( *wxRED_BRUSH );
+    dc.DrawRectangle( 20, 2220, 560, 68 );
+    
+    dc.DrawText(_T("XPM bitmap"), 30, 2230 );
     if ( m_bmpSmileXpm.Ok() )
-    {
         dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);
-    }
 
-    dc.DrawText(_T("XPM icon"), 150, 2230);
+    dc.DrawText(_T("XPM icon"), 110, 2230 );
     if ( m_iconSmileXpm.Ok() )
-    {
-        dc.DrawIcon(m_iconSmileXpm, 150, 2250);
-    }
+        dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+    
+    // testing icon -> bitmap conversion    
+    wxBitmap to_blit( m_iconSmileXpm );
+
+    dc.DrawText( _T("SubBitmap"), 170, 2230 );
+    wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+    dc.DrawBitmap( sub, 170, 2250, TRUE );
+
+    dc.DrawText( _T("Enlarged"), 250, 2230 );
+    dc.SetUserScale( 1.5, 1.5 );
+    dc.DrawBitmap( to_blit, (int)(250/1.5), (int)(2250/1.5), TRUE );
+    dc.SetUserScale( 2, 2 );
+    dc.DrawBitmap( to_blit, (int)(300/2), (int)(2250/2), TRUE );
+    dc.SetUserScale( 1.0, 1.0 );
+    
+    dc.DrawText( _T("Blit"), 400, 2230);
+    wxMemoryDC blit_dc;
+    blit_dc.SelectObject( to_blit );
+    dc.Blit( 400, 2250, to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+    dc.SetUserScale( 1.5, 1.5 );
+    dc.Blit( (int)(450/1.5), (int)(2250/1.5), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+    dc.SetUserScale( 2, 2 );
+    dc.Blit( (int)(500/2), (int)(2250/2), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+    dc.SetUserScale( 1.0, 1.0 );
 
     dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
     if (my_horse_ico32 && my_horse_ico32->Ok())
@@ -803,24 +849,37 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 #ifdef wxHAVE_RAW_BITMAP
   EVT_MENU    (ID_SHOWRAW,  MyFrame::OnTestRawBitmap)
 #endif
+
+#if wxUSE_CLIPBOARD
+    EVT_MENU(wxID_COPY, MyFrame::OnCopy)
+    EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
+#endif // wxUSE_CLIPBOARD
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
        : wxFrame( (wxFrame *)NULL, -1, _T("wxImage sample"),
                   wxPoint(20,20), wxSize(470,360) )
 {
-  wxMenu *file_menu = new wxMenu();
-  file_menu->Append( ID_NEW, _T("&Show image...\tCtrl-O"));
+  wxMenuBar *menu_bar = new wxMenuBar();
+
+  wxMenu *menuImage = new wxMenu;
+  menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
+
 #ifdef wxHAVE_RAW_BITMAP
-  file_menu->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
+  menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
 #endif
-  file_menu->AppendSeparator();
-  file_menu->Append( ID_ABOUT, _T("&About..."));
-  file_menu->AppendSeparator();
-  file_menu->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
-
-  wxMenuBar *menu_bar = new wxMenuBar();
-  menu_bar->Append(file_menu, _T("&File"));
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_ABOUT, _T("&About..."));
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
+  menu_bar->Append(menuImage, _T("&Image"));
+
+#if wxUSE_CLIPBOARD
+  wxMenu *menuClipboard = new wxMenu;
+  menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C"));
+  menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V"));
+  menu_bar->Append(menuClipboard, _T("&Clipboard"));
+#endif // wxUSE_CLIPBOARD
 
   SetMenuBar( menu_bar );
 
@@ -865,13 +924,48 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
 
 #ifdef wxHAVE_RAW_BITMAP
 
-void MyFrame::OnTestRawBitmap( wxCommandEvent &event )
+void MyFrame::OnTestRawBitmap( wxCommandEvent &WXUNUSED(event) )
 {
     (new MyRawBitmapFrame(this))->Show();
 }
 
 #endif // wxHAVE_RAW_BITMAP
 
+#if wxUSE_CLIPBOARD
+
+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"));
+    }
+    else
+    {
+        (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
+    }
+    wxTheClipboard->Close();
+}
+
+#endif // wxUSE_CLIPBOARD
+
 //-----------------------------------------------------------------------------
 // MyApp
 //-----------------------------------------------------------------------------