X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12338247ae05398649387893b7072ca6514bfde9..0d8b87ac8ae0ababd4c0d725142532f6d592fdb2:/samples/image/image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 3565381acf..7d6f8acd75 100644
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -35,8 +35,10 @@
     #include "smile.xpm"
 #endif
 
-#if defined(__WXMSW__)
-    #define wxHAVE_RAW_BITMAP
+#if defined(__WXMSW__) || defined(__WXMAC__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif
 #endif
 
 // derived classes
@@ -127,7 +129,7 @@ public:
 #endif // wxHAVE_RAW_BITMAP
     void OnQuit( wxCommandEvent &event );
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF_)
+#if wxUSE_CLIPBOARD
     void OnCopy(wxCommandEvent& event);
     void OnPaste(wxCommandEvent& event);
 #endif // wxUSE_CLIPBOARD
@@ -260,7 +262,11 @@ 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"));
@@ -269,13 +275,11 @@ public:
 
         data.UseAlpha();
 
-        wxRawBitmapIterator p(data);
-
-        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,
@@ -286,13 +290,13 @@ public:
                 p.Red() = r;
                 p.Green() = g;
                 p.Blue() = b;
-                p.Alpha() = (x*255.)/REAL_SIZE;
+                p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
 
                 ++p; // same as p.OffsetX(1)
             }
 
             p = rowStart;
-            p.OffsetY(1);
+            p.OffsetY(data, 1);
         }
     }
 
@@ -406,8 +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();
 
@@ -549,20 +553,23 @@ 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()
@@ -677,7 +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 );
@@ -706,17 +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())
@@ -816,7 +850,7 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
   EVT_MENU    (ID_SHOWRAW,  MyFrame::OnTestRawBitmap)
 #endif
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD
     EVT_MENU(wxID_COPY, MyFrame::OnCopy)
     EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
 #endif // wxUSE_CLIPBOARD
@@ -830,6 +864,7 @@ 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
@@ -839,7 +874,7 @@ MyFrame::MyFrame()
   menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
   menu_bar->Append(menuImage, _T("&Image"));
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#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"));
@@ -889,29 +924,35 @@ 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 && !defined(__WXMOTIF__)
+#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"));
@@ -920,6 +961,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     {
         (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
     }
+    wxTheClipboard->Close();
 }
 
 #endif // wxUSE_CLIPBOARD