compilation fix for gcc4 (patch 1428840)

[wxWidgets.git] / src / msw / gdiimage.cpp

diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp
index ba859915999b9de46105bef72eb6df4653bf608f..a8355e703a056a588813a8e77b15a8bc57a3a0be 100644 (file)
--- a/src/msw/gdiimage.cpp
+++ b/src/msw/gdiimage.cpp
@@ -6,7 +6,7 @@
 // Created:     20.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     20.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "gdiimage.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -37,17 +33,22 @@
 
 #include "wx/app.h"
 
 
 #include "wx/app.h"
 

-#ifndef __WXMICROWIN__
+#include "wx/bitmap.h"
+#include "wx/msw/gdiimage.h"
+
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #endif
 
 #include "wx/msw/dib.h"
 #endif
 

-#include "wx/msw/bitmap.h"
-#include "wx/msw/gdiimage.h"
-#include "wx/bitmap.h"
+#ifdef __WXWINCE__
+#include <winreg.h>
+#include <shellapi.h>
+#endif

 
 

-#ifdef __WIN16__
-#   include "wx/msw/curico.h"
-#endif // __WIN16__
+#include "wx/file.h"
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxGDIImageHandlerList)

 
 // ----------------------------------------------------------------------------
 // private classes
 
 // ----------------------------------------------------------------------------
 // private classes


@@ -110,14 +111,14 @@ public:
                         int WXUNUSED(height),
                         int WXUNUSED(depth) = 1)
     {
                         int WXUNUSED(height),
                         int WXUNUSED(depth) = 1)
     {

-        return FALSE;
+        return false;

     }
 
     virtual bool Save(wxGDIImage *WXUNUSED(image),
                       const wxString& WXUNUSED(name),
                       int WXUNUSED(type))
     {
     }
 
     virtual bool Save(wxGDIImage *WXUNUSED(image),
                       const wxString& WXUNUSED(name),
                       int WXUNUSED(type))
     {

-        return FALSE;
+        return false;

     }
 
     virtual bool Load(wxGDIImage *image,
     }
 
     virtual bool Load(wxGDIImage *image,


@@ -126,7 +127,7 @@ public:
                       int desiredWidth, int desiredHeight)
     {
         wxIcon *icon = wxDynamicCast(image, wxIcon);
                       int desiredWidth, int desiredHeight)
     {
         wxIcon *icon = wxDynamicCast(image, wxIcon);

-        wxCHECK_MSG( icon, FALSE, _T("wxIconHandler only works with icons") );
+        wxCHECK_MSG( icon, false, _T("wxIconHandler only works with icons") );

 
         return LoadIcon(icon, name, flags, desiredWidth, desiredHeight);
     }
 
         return LoadIcon(icon, name, flags, desiredWidth, desiredHeight);
     }


@@ -146,6 +147,7 @@ public:
     {
     }
 
     {
     }
 

+protected:

     virtual bool LoadIcon(wxIcon *icon,
                           const wxString& name, long flags,
                           int desiredWidth = -1, int desiredHeight = -1);
     virtual bool LoadIcon(wxIcon *icon,
                           const wxString& name, long flags,
                           int desiredWidth = -1, int desiredHeight = -1);


@@ -163,6 +165,7 @@ public:
     {
     }
 
     {
     }
 

+protected:

     virtual bool LoadIcon(wxIcon *icon,
                           const wxString& name, long flags,
                           int desiredWidth = -1, int desiredHeight = -1);
     virtual bool LoadIcon(wxIcon *icon,
                           const wxString& name, long flags,
                           int desiredWidth = -1, int desiredHeight = -1);


@@ -184,7 +187,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
 // private functions
 // ----------------------------------------------------------------------------
 
 // private functions
 // ----------------------------------------------------------------------------
 

-static wxSize GetHiconSize(HICON hicon);

 #endif
     // __MICROWIN__
 
 #endif
     // __MICROWIN__
 


@@ -192,7 +194,7 @@ static wxSize GetHiconSize(HICON hicon);
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 

-wxList wxGDIImage::ms_handlers;
+wxGDIImageHandlerList wxGDIImage::ms_handlers;

 
 // ----------------------------------------------------------------------------
 // wxGDIImage functions forwarded to wxGDIImageRefData
 
 // ----------------------------------------------------------------------------
 // wxGDIImage functions forwarded to wxGDIImageRefData


@@ -206,10 +208,10 @@ bool wxGDIImage::FreeResource(bool WXUNUSED(force))
         GetGDIImageData()->m_handle = 0;
     }
 
         GetGDIImageData()->m_handle = 0;
     }
 

-    return TRUE;
+    return true;

 }
 
 }
 

-WXHANDLE wxGDIImage::GetResourceHandle()
+WXHANDLE wxGDIImage::GetResourceHandle() const

 {
     return GetHandle();
 }
 {
     return GetHandle();
 }


@@ -234,21 +236,21 @@ bool wxGDIImage::RemoveHandler(const wxString& name)
     if ( handler )
     {
         ms_handlers.DeleteObject(handler);
     if ( handler )
     {
         ms_handlers.DeleteObject(handler);

-        return TRUE;
+        return true;

     }
     else
     }
     else

-        return FALSE;
+        return false;

 }
 
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 {
 }
 
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 {

-    wxNode *node = ms_handlers.First();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
     while ( node )
     {

-        wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data();
+        wxGDIImageHandler *handler = node->GetData();

         if ( handler->GetName() == name )
             return handler;
         if ( handler->GetName() == name )
             return handler;

-        node = node->Next();
+        node = node->GetNext();

     }
 
     return NULL;
     }
 
     return NULL;


@@ -257,31 +259,31 @@ wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension,
                                            long type)
 {
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension,
                                            long type)
 {

-    wxNode *node = ms_handlers.First();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
     while ( node )
     {

-        wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data();
-        if ( (handler->GetExtension() = extension) &&
+        wxGDIImageHandler *handler = node->GetData();
+        if ( (handler->GetExtension() == extension) &&

              (type == -1 || handler->GetType() == type) )
         {
             return handler;
         }
 
              (type == -1 || handler->GetType() == type) )
         {
             return handler;
         }
 

-        node = node->Next();
+        node = node->GetNext();

     }
     return NULL;
 }
 
 wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 {
     }
     return NULL;
 }
 
 wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 {

-    wxNode *node = ms_handlers.First();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
     while ( node )
     {

-        wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data();
+        wxGDIImageHandler *handler = node->GetData();

         if ( handler->GetType() == type )
             return handler;
 
         if ( handler->GetType() == type )
             return handler;
 

-        node = node->Next();
+        node = node->GetNext();

     }
 
     return NULL;
     }
 
     return NULL;


@@ -289,13 +291,13 @@ wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 
 void wxGDIImage::CleanUpHandlers()
 {
 
 void wxGDIImage::CleanUpHandlers()
 {

-    wxNode *node = ms_handlers.First();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
     while ( node )
     {

-        wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data();
-        wxNode *next = node->Next();
+        wxGDIImageHandler *handler = node->GetData();
+        wxGDIImageHandlerList::compatibility_iterator next = node->GetNext();

         delete handler;
         delete handler;

-        delete node;
+        ms_handlers.Erase( node );

         node = next;
     }
 }
         node = next;
     }
 }


@@ -324,27 +326,29 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap,
     // TODO: load colourmap.
     bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name));
 
     // TODO: load colourmap.
     bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name));
 

-    wxBitmapRefData *data = bitmap->GetBitmapData();
-    if ( bitmap->Ok() )
-    {
-        BITMAP bm;
-        if ( !::GetObject(GetHbitmapOf(*bitmap), sizeof(BITMAP), (LPSTR) &bm) )
-        {
-            wxLogLastError(wxT("GetObject(HBITMAP)"));
-        }
-
-        data->m_width = bm.bmWidth;
-        data->m_height = bm.bmHeight;
-        data->m_depth = bm.bmBitsPixel;
-    }
-    else
+    if ( !bitmap->Ok() )

     {
         // it's probably not found
         wxLogError(wxT("Can't load bitmap '%s' from resources! Check .rc file."),
                    name.c_str());
     {
         // it's probably not found
         wxLogError(wxT("Can't load bitmap '%s' from resources! Check .rc file."),
                    name.c_str());

+
+        return false;

     }
 
     }
 

-    return bitmap->Ok();
+    BITMAP bm;
+    if ( !::GetObject(GetHbitmapOf(*bitmap), sizeof(BITMAP), (LPSTR) &bm) )
+    {
+        wxLogLastError(wxT("GetObject(HBITMAP)"));
+    }
+
+    bitmap->SetWidth(bm.bmWidth);
+    bitmap->SetHeight(bm.bmHeight);
+    bitmap->SetDepth(bm.bmBitsPixel);
+
+    // use 0xc0c0c0 as transparent colour by default
+    bitmap->SetMask(new wxMask(*bitmap, *wxLIGHT_GREY));
+
+    return true;

 }
 
 bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
 }
 
 bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,


@@ -352,44 +356,30 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
                                 int WXUNUSED(desiredWidth),
                                 int WXUNUSED(desiredHeight))
 {
                                 int WXUNUSED(desiredWidth),
                                 int WXUNUSED(desiredHeight))
 {

-#if wxUSE_IMAGE_LOADING_IN_MSW
-    wxPalette *palette = NULL;
-    bool success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0;
-
-#if wxUSE_PALETTE
-    if ( success && palette )
-    {
-        bitmap->SetPalette(*palette);
-    }
+#if wxUSE_WXDIB
+    wxCHECK_MSG( bitmap, false, _T("NULL bitmap in LoadFile") );

 
 

-    // it was copied by the bitmap if it was loaded successfully
-    delete palette;
-#endif // wxUSE_PALETTE
+    wxDIB dib(name);

 
 

-    return success;
+    return dib.IsOk() && bitmap->CopyFromDIB(dib);

 #else
 #else

-    return FALSE;
+    return false;

 #endif
 }
 
 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
                                 const wxString& name,
                                 int WXUNUSED(type),
 #endif
 }
 
 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
                                 const wxString& name,
                                 int WXUNUSED(type),

-                                const wxPalette *pal)
+                                const wxPalette * WXUNUSED(pal))

 {
 {

-#if wxUSE_IMAGE_LOADING_IN_MSW
+#if wxUSE_WXDIB
+    wxCHECK_MSG( bitmap, false, _T("NULL bitmap in SaveFile") );

 
 

-#if wxUSE_PALETTE
-    wxPalette *actualPalette = (wxPalette *)pal;
-    if ( !actualPalette )
-        actualPalette = bitmap->GetPalette();
-#else
-    wxPalette *actualPalette = NULL;
-#endif // wxUSE_PALETTE
+    wxDIB dib(*bitmap);

 
 

-    return wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0;
+    return dib.Save(name);

 #else
 #else

-    return FALSE;
+    return false;

 #endif
 }
 
 #endif
 }
 


@@ -402,13 +392,11 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
                                 long WXUNUSED(flags),
                                 int desiredWidth, int desiredHeight)
 {
                                 long WXUNUSED(flags),
                                 int desiredWidth, int desiredHeight)
 {

-#if wxUSE_RESOURCE_LOADING_IN_MSW

     icon->UnRef();
 
     // actual size
     wxSize size;
 
     icon->UnRef();
 
     // actual size
     wxSize size;
 

-#ifdef __WIN32__

     HICON hicon = NULL;
 
     // Parse the filename: it may be of the form "filename;n" in order to
     HICON hicon = NULL;
 
     // Parse the filename: it may be of the form "filename;n" in order to


@@ -425,7 +413,28 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
         nameReal = name.BeforeLast(wxT(';'));
     }
 
         nameReal = name.BeforeLast(wxT(';'));
     }
 

-    // were we asked for a large icon?
+#if 0
+    // If we don't know what size icon we're looking for,
+    // try to find out what's there.
+    // Unfortunately this doesn't work, because ExtractIconEx
+    // will scale the icon to the 'desired' size, even if that
+    // size of icon isn't explicitly stored. So we would have
+    // to parse the icon file outselves.
+    if ( desiredWidth == -1 &&
+         desiredHeight == -1)
+    {
+        // Try loading a large icon first
+        if ( ::ExtractIconEx(nameReal, iconIndex, &hicon, NULL, 1) == 1)
+        {
+        }
+        // Then try loading a small icon
+        else if ( ::ExtractIconEx(nameReal, iconIndex, NULL, &hicon, 1) == 1)
+        {
+        }
+    }
+    else
+#endif
+        // were we asked for a large icon?

     if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) &&
          desiredHeight == ::GetSystemMetrics(SM_CYICON) )
     {
     if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) &&
          desiredHeight == ::GetSystemMetrics(SM_CYICON) )
     {


@@ -452,47 +461,41 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     }
     //else: not standard size, load below
 
     }
     //else: not standard size, load below
 

+#ifndef __WXWINCE__

     if ( !hicon )
     {
     if ( !hicon )
     {

-        // take any (the first one) icon from the file by default
-        hicon = ::ExtractIcon(wxGetInstance(), nameReal, 0 /* first */);
+        // take any size icon from the file by index
+        hicon = ::ExtractIcon(wxGetInstance(), nameReal, iconIndex);

     }
     }

+#endif

 
     if ( !hicon )
     {
         wxLogSysError(_T("Failed to load icon from the file '%s'"),
                       name.c_str());
 
 
     if ( !hicon )
     {
         wxLogSysError(_T("Failed to load icon from the file '%s'"),
                       name.c_str());
 

-        return FALSE;
+        return false;

     }
 
     }
 

-    size = GetHiconSize(hicon);
-#else // Win16
-    HICON hicon = ReadIconFile((wxChar *)name.c_str(),
-                               wxGetInstance(),
-                               &size.x, &size.y);
-#endif // Win32/Win16
+    size = wxGetHiconSize(hicon);

 
     if ( (desiredWidth != -1 && desiredWidth != size.x) ||
          (desiredHeight != -1 && desiredHeight != size.y) )
     {
         wxLogTrace(_T("iconload"),
 
     if ( (desiredWidth != -1 && desiredWidth != size.x) ||
          (desiredHeight != -1 && desiredHeight != size.y) )
     {
         wxLogTrace(_T("iconload"),

-                   _T("Returning FALSE from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"),
+                   _T("Returning false from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"),

                    size.x, size.y,
                    desiredWidth, desiredHeight);
 
         ::DestroyIcon(hicon);
 
                    size.x, size.y,
                    desiredWidth, desiredHeight);
 
         ::DestroyIcon(hicon);
 

-        return FALSE;
+        return false;

     }
 
     icon->SetHICON((WXHICON)hicon);
     icon->SetSize(size.x, size.y);
 
     return icon->Ok();
     }
 
     icon->SetHICON((WXHICON)hicon);
     icon->SetSize(size.x, size.y);
 
     return icon->Ok();

-#else
-    return FALSE;
-#endif

 }
 
 bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 }
 
 bool wxICOResourceHandler::LoadIcon(wxIcon *icon,


@@ -511,23 +514,22 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
     // try to load the icon from this program first to allow overriding the
     // standard icons (although why one would want to do it considering that
     // we already have wxApp::GetStdIcon() is unclear)
     // try to load the icon from this program first to allow overriding the
     // standard icons (although why one would want to do it considering that
     // we already have wxApp::GetStdIcon() is unclear)

-#if defined(__WIN32__) && !defined(__SC__)
-    if ( !hasSize )
+
+    // note that we can't just always call LoadImage() because it seems to do
+    // some icon rescaling internally which results in very ugly 16x16 icons
+    if ( hasSize )

     {
     {

-        // use the actual size of the resource (as we don't specify
-        // LR_DEFAULTSIZE)
-        desiredWidth =
-        desiredHeight = 0;
+        hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON,
+                                    desiredWidth, desiredHeight,
+                                    LR_DEFAULTCOLOR);
+    }
+    else
+    {
+        hicon = ::LoadIcon(wxGetInstance(), name);

     }
     }

-
-    hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON,
-                                desiredWidth, desiredHeight,
-                                LR_DEFAULTCOLOR);
-#else // !Win32
-    hicon = ::LoadIcon(wxGetInstance(), name);
-#endif // Win32/!Win32

 
     // next check if it's not a standard icon
 
     // next check if it's not a standard icon

+#ifndef __WXWINCE__

     if ( !hicon && !hasSize )
     {
         static const struct
     if ( !hicon && !hasSize )
     {
         static const struct


@@ -539,7 +541,7 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
             { wxT("wxICON_QUESTION"),   IDI_QUESTION    },
             { wxT("wxICON_WARNING"),    IDI_EXCLAMATION },
             { wxT("wxICON_ERROR"),      IDI_HAND        },
             { wxT("wxICON_QUESTION"),   IDI_QUESTION    },
             { wxT("wxICON_WARNING"),    IDI_EXCLAMATION },
             { wxT("wxICON_ERROR"),      IDI_HAND        },

-            { wxT("wxICON_INFO"),       IDI_ASTERISK    },
+            { wxT("wxICON_INFORMATION"),       IDI_ASTERISK    },

         };
 
         for ( size_t nIcon = 0; !hicon && nIcon < WXSIZEOF(stdIcons); nIcon++ )
         };
 
         for ( size_t nIcon = 0; !hicon && nIcon < WXSIZEOF(stdIcons); nIcon++ )


@@ -550,16 +552,11 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
             }
         }
     }
             }
         }
     }

+#endif

 
 

-    wxSize size = GetHiconSize(hicon);
+    wxSize size = wxGetHiconSize(hicon);

     icon->SetSize(size.x, size.y);
 
     icon->SetSize(size.x, size.y);
 

-    // Override the found values with desired values
-    if ( hasSize )
-    {
-        icon->SetSize(desiredWidth, desiredHeight);
-    }
-

     icon->SetHICON((WXHICON)hicon);
 
     return icon->Ok();
     icon->SetHICON((WXHICON)hicon);
 
     return icon->Ok();


@@ -569,12 +566,13 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 // private functions
 // ----------------------------------------------------------------------------
 
 // private functions
 // ----------------------------------------------------------------------------
 

-static wxSize GetHiconSize(HICON hicon)
+wxSize wxGetHiconSize(HICON WXUNUSED_IN_WINCE(hicon))

 {
 {

-    wxSize size(32, 32);    // default
+    // default icon size on this hardware
+    // usually 32x32 but can be other (smaller) on pocket devices
+    wxSize size(::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON));

 
 

-#ifdef __WIN32__
-    // Win32s doesn't have GetIconInfo function...
+#ifndef __WXWINCE__

     if ( hicon && wxGetOsVersion() != wxWIN32S )
     {
         ICONINFO info;
     if ( hicon && wxGetOsVersion() != wxWIN32S )
     {
         ICONINFO info;


@@ -603,5 +601,6 @@ static wxSize GetHiconSize(HICON hicon)
 
     return size;
 }
 
     return size;
 }

-#endif
-    // __WXMICROWIN__
+
+#endif // __WXMICROWIN__
+