X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ca6a5f04692678cd2d9f3ea0843fc3f5a0b254f..198be845897a79ba350ae7f93db536ddb2eccfb2:/src/msw/imaglist.cpp

diff --git a/src/msw/imaglist.cpp b/src/msw/imaglist.cpp
index f8a26cd036..7548695b8c 100644
--- a/src/msw/imaglist.cpp
+++ b/src/msw/imaglist.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "imaglist.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,28 +24,22 @@
     #pragma hdrstop
 #endif
 
-#if defined(__WIN95__)
-
 #ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
     #include "wx/window.h"
     #include "wx/icon.h"
     #include "wx/dc.h"
     #include "wx/string.h"
     #include "wx/dcmemory.h"
-
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/image.h"
     #include <stdio.h>
 #endif
 
-#include "wx/log.h"
-#include "wx/intl.h"
-
-#include "wx/msw/imaglist.h"
+#include "wx/imaglist.h"
 #include "wx/msw/private.h"
 
-#if !defined(__GNUWIN32_OLD__) && !defined(__TWIN32__)
-    #include <commctrl.h>
-#endif
-
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
@@ -85,12 +75,17 @@ bool wxImageList::Create(int width, int height, bool mask, int initial)
     UINT flags = 0;
 
     // set appropriate color depth
+#ifdef __WXWINCE__
+    flags |= ILC_COLOR;
+#else
     int dd = wxDisplayDepth();
-    if (dd <= 4)       flags |= ILC_COLOR;	// 16 color
-    else if (dd <= 8)  flags |= ILC_COLOR8;	// 256 color
-    else if (dd <= 16) flags |= ILC_COLOR16;	// 64k hi-color
-    else if (dd <= 24) flags |= ILC_COLOR24;	// 16m truecolor
-    else if (dd <= 32) flags |= ILC_COLOR32;	// 16m truecolor
+
+    if (dd <= 4)       flags |= ILC_COLOR;   // 16 color
+    else if (dd <= 8)  flags |= ILC_COLOR8;  // 256 color
+    else if (dd <= 16) flags |= ILC_COLOR16; // 64k hi-color
+    else if (dd <= 24) flags |= ILC_COLOR24; // 16m truecolor
+    else if (dd <= 32) flags |= ILC_COLOR32; // 16m truecolor
+#endif
 
     if ( mask )
         flags |= ILC_MASK;
@@ -162,10 +157,6 @@ int wxImageList::Add(const wxBitmap& bitmap, const wxBitmap& mask)
 // 'bitmap'.
 int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
 {
-#ifdef __TWIN32__
-    wxFAIL_MSG(_T("ImageList_AddMasked not implemented in TWIN32"));
-    return -1;
-#else
     int index = ImageList_AddMasked(GetHImageList(),
                                     GetHbitmapOf(bitmap),
                                     wxColourToRGB(maskColour));
@@ -175,7 +166,6 @@ int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
     }
 
     return index;
-#endif
 }
 
 // Adds a bitmap and mask from an icon.
@@ -196,29 +186,24 @@ int wxImageList::Add(const wxIcon& icon)
 bool wxImageList::Replace(int index,
                           const wxBitmap& bitmap, const wxBitmap& mask)
 {
-#ifdef __TWIN32__
-    wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
-    return FALSE;
-#else
     HBITMAP hbmpMask = GetMaskForImage(bitmap, mask);
 
     bool ok = ImageList_Replace(GetHImageList(), index,
                                 GetHbitmapOf(bitmap), hbmpMask) != 0;
     if ( !ok )
     {
-        wxLogLastError(wxT("ImageList_Add()"));
+        wxLogLastError(wxT("ImageList_Replace()"));
     }
 
     ::DeleteObject(hbmpMask);
 
     return ok;
-#endif
 }
 
 // Replaces a bitmap and mask from an icon.
 bool wxImageList::Replace(int i, const wxIcon& icon)
 {
-    bool ok = ImageList_ReplaceIcon(GetHImageList(), i, GetHiconOf(icon)) != 0;
+    bool ok = ImageList_ReplaceIcon(GetHImageList(), i, GetHiconOf(icon)) != -1;
     if ( !ok )
     {
         wxLogLastError(wxT("ImageList_ReplaceIcon()"));
@@ -230,10 +215,6 @@ bool wxImageList::Replace(int i, const wxIcon& icon)
 // Removes the image at the given index.
 bool wxImageList::Remove(int index)
 {
-#ifdef __TWIN32__
-    wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
-    return FALSE;
-#else
     bool ok = ImageList_Remove(GetHImageList(), index) != 0;
     if ( !ok )
     {
@@ -241,26 +222,17 @@ bool wxImageList::Remove(int index)
     }
 
     return ok;
-#endif
 }
 
 // Remove all images
 bool wxImageList::RemoveAll()
 {
     // don't use ImageList_RemoveAll() because mingw32 headers don't have it
-    int count = ImageList_GetImageCount(GetHImageList());
-    for ( int i = 0; i < count; i++ )
-    {
-        // the image indexes are shifted, so we should always remove the first
-        // one
-        (void)Remove(0);
-    }
-
-    return TRUE;
+    return Remove(-1);
 }
 
 // Draws the given image on a dc at the specified position.
-// If 'solidBackground' is TRUE, Draw sets the image list background
+// If 'solidBackground' is true, Draw sets the image list background
 // colour to the background colour of the wxDC, to speed up
 // drawing by eliminating masked drawing where possible.
 bool wxImageList::Draw(int index,
@@ -269,20 +241,16 @@ bool wxImageList::Draw(int index,
                        int flags,
                        bool solidBackground)
 {
-#ifdef __TWIN32__
-    wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
-    return FALSE;
-#else
     HDC hDC = GetHdcOf(dc);
-    wxCHECK_MSG( hDC, FALSE, _T("invalid wxDC in wxImageList::Draw") );
+    wxCHECK_MSG( hDC, false, _T("invalid wxDC in wxImageList::Draw") );
 
     COLORREF clr = CLR_NONE;    // transparent by default
     if ( solidBackground )
     {
-        wxBrush *brush = & dc.GetBackground();
-        if ( brush && brush->Ok() )
+        const wxBrush& brush = dc.GetBackground();
+        if ( brush.Ok() )
         {
-            clr = wxColourToRGB(brush->GetColour());
+            clr = wxColourToRGB(brush.GetColour());
         }
     }
 
@@ -305,7 +273,65 @@ bool wxImageList::Draw(int index,
     }
 
     return ok;
+}
+
+// Get the bitmap
+wxBitmap wxImageList::GetBitmap(int index) const
+{
+#if wxUSE_WXDIB && wxUSE_IMAGE
+    int bmp_width = 0, bmp_height = 0;
+    GetSize(index, bmp_width, bmp_height);
+
+    wxBitmap bitmap(bmp_width, bmp_height);
+    wxMemoryDC dc;
+    dc.SelectObject(bitmap);
+
+    // draw it the first time to find a suitable mask colour
+    ((wxImageList*)this)->Draw(index, dc, 0, 0, wxIMAGELIST_DRAW_TRANSPARENT);
+    dc.SelectObject(wxNullBitmap);
+
+    // find the suitable mask colour
+    wxImage image = bitmap.ConvertToImage();
+    unsigned char r = 0, g = 0, b = 0;
+    image.FindFirstUnusedColour(&r, &g, &b);
+
+    // redraw whole image and bitmap in the mask colour
+    image.Create(bmp_width, bmp_height);
+    image.Replace(0, 0, 0, r, g, b);
+    bitmap = wxBitmap(image);
+
+    // redraw icon over the mask colour to actually draw it
+    dc.SelectObject(bitmap);
+    ((wxImageList*)this)->Draw(index, dc, 0, 0, wxIMAGELIST_DRAW_TRANSPARENT);
+    dc.SelectObject(wxNullBitmap);
+
+    // get the image, set the mask colour and convert back to get transparent bitmap
+    image = bitmap.ConvertToImage();
+    image.SetMaskColour(r, g, b);
+    bitmap = wxBitmap(image);
+#else
+    wxBitmap bitmap;
 #endif
+    return bitmap;
+}
+
+// Get the icon
+wxIcon wxImageList::GetIcon(int index) const
+{
+    HICON hIcon = ImageList_ExtractIcon(0, GetHImageList(), index);
+    if (hIcon)
+    {
+        wxIcon icon;
+        icon.SetHICON((WXHICON)hIcon);
+
+        int iconW, iconH;
+        GetSize(index, iconW, iconH);
+        icon.SetSize(iconW, iconH);
+
+        return icon;
+    }
+    else
+        return wxNullIcon;
 }
 
 // ----------------------------------------------------------------------------
@@ -314,41 +340,63 @@ bool wxImageList::Draw(int index,
 
 static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
 {
+#if wxUSE_IMAGE
+    wxBitmap bitmapWithMask;
+#endif // wxUSE_IMAGE
+
     HBITMAP hbmpMask;
-    wxBitmap *bmpMask = NULL;
+    wxMask *pMask;
+    bool deleteMask = false;
 
     if ( mask.Ok() )
     {
         hbmpMask = GetHbitmapOf(mask);
+        pMask = NULL;
     }
     else
     {
-        wxMask *pMask = bitmap.GetMask();
-        if ( pMask )
+        pMask = bitmap.GetMask();
+
+#if wxUSE_IMAGE
+        // check if we don't have alpha in this bitmap -- we can create a mask
+        // from it (and we need to do it for the older systems which don't
+        // support 32bpp bitmaps natively)
+        if ( !pMask )
         {
-            hbmpMask = (HBITMAP)pMask->GetMaskBitmap();
+            wxImage img(bitmap.ConvertToImage());
+            if ( img.HasAlpha() )
+            {
+                img.ConvertAlphaToMask();
+                bitmapWithMask = wxBitmap(img);
+                pMask = bitmapWithMask.GetMask();
+            }
         }
-        else
+#endif // wxUSE_IMAGE
+
+        if ( !pMask )
         {
-            // create a non transparent mask - apparently, this is needed under
-            // Win9x (it doesn't behave correctly if it's passed 0 mask)
-            bmpMask = new wxBitmap(bitmap.GetWidth(), bitmap.GetHeight(), 1);
+            // use the light grey count as transparent: the trouble here is
+            // that the light grey might have been changed by Windows behind
+            // our back, so use the standard colour map to get its real value
+            wxCOLORMAP *cmap = wxGetStdColourMap();
+            wxColour col;
+            wxRGBToColour(col, cmap[wxSTD_COL_BTNFACE].from);
 
-            wxMemoryDC dcMem;
-            dcMem.SelectObject(*bmpMask);
-            dcMem.Clear();
-            dcMem.SelectObject(wxNullBitmap);
+            pMask = new wxMask(bitmap, col);
 
-            hbmpMask = GetHbitmapOf(*bmpMask);
+            deleteMask = true;
         }
+
+        hbmpMask = (HBITMAP)pMask->GetMaskBitmap();
     }
 
-    // windows mask convention is opposite to the wxWindows one
+    // windows mask convention is opposite to the wxWidgets one
     HBITMAP hbmpMaskInv = wxInvertMask(hbmpMask);
-    delete bmpMask;
+
+    if ( deleteMask )
+    {
+        delete pMask;
+    }
 
     return hbmpMaskInv;
 }
-
-#endif // Win95
-