/////////////////////////////////////////////////////////////////////////////
-// Name: imaglist.cpp
-// Purpose: wxImageList
+// Name: src/msw/imaglist.cpp
+// Purpose: wxImageList implementation for Win32
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "imaglist.h"
+ #pragma implementation "imaglist.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#if defined(__WIN95__)
#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/setup.h"
-#include "wx/window.h"
-#include "wx/icon.h"
-#include "wx/dc.h"
-#include "wx/string.h"
+ #include "wx/window.h"
+ #include "wx/icon.h"
+ #include "wx/dc.h"
+ #include "wx/string.h"
+ #include "wx/dcmemory.h"
+
+ #include <stdio.h>
#endif
#include "wx/log.h"
#include "wx/msw/imaglist.h"
#include "wx/msw/private.h"
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-#include <commctrl.h>
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+ #include <commctrl.h>
#endif
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+
IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
-wxImageList::wxImageList(void)
+#define GetHImageList() ((HIMAGELIST)m_hImageList)
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// returns the mask if it's valid, otherwise the bitmap mask and, if it's not
+// valid neither, a "solid" mask (no transparent zones at all)
+static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask);
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxImageList creation/destruction
+// ----------------------------------------------------------------------------
+
+wxImageList::wxImageList()
{
m_hImageList = 0;
}
-wxImageList::~wxImageList(void)
+// Creates an image list
+bool wxImageList::Create(int width, int height, bool mask, int initial)
{
- if ( m_hImageList )
- ImageList_Destroy((HIMAGELIST) m_hImageList);
- m_hImageList = 0;
+ UINT flags = 0;
+
+ // set appropriate color depth
+ 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 ( mask )
+ flags |= ILC_MASK;
+
+ // Grow by 1, I guess this is reasonable behaviour most of the time
+ m_hImageList = (WXHIMAGELIST) ImageList_Create(width, height, flags,
+ initial, 1);
+ if ( !m_hImageList )
+ {
+ wxLogLastError(wxT("ImageList_Create()"));
+ }
+
+ return m_hImageList != 0;
}
+wxImageList::~wxImageList()
+{
+ if ( m_hImageList )
+ {
+ ImageList_Destroy(GetHImageList());
+ m_hImageList = 0;
+ }
+}
-// Attributes
-////////////////////////////////////////////////////////////////////////////
+// ----------------------------------------------------------------------------
+// wxImageList attributes
+// ----------------------------------------------------------------------------
// Returns the number of images in the image list.
-int wxImageList::GetImageCount(void) const
+int wxImageList::GetImageCount() const
{
- return ImageList_GetImageCount((HIMAGELIST) m_hImageList);
-}
+ wxASSERT_MSG( m_hImageList, _T("invalid image list") );
-// Operations
-////////////////////////////////////////////////////////////////////////////
+ return ImageList_GetImageCount(GetHImageList());
+}
-// Creates an image list
-bool wxImageList::Create(int width, int height, bool mask, int initial)
+// Returns the size (same for all images) of the images in the list
+bool wxImageList::GetSize(int WXUNUSED(index), int &width, int &height) const
{
- UINT flags = 0;
- if ( mask )
- flags |= ILC_MASK;
+ wxASSERT_MSG( m_hImageList, _T("invalid image list") );
- // Grow by 1, I guess this is reasonable behaviour most of the time
- m_hImageList = (WXHIMAGELIST) ImageList_Create(width, height, flags, initial, 1);
- return (m_hImageList != 0);
+ return ImageList_GetIconSize(GetHImageList(), &width, &height) != 0;
}
+// ----------------------------------------------------------------------------
+// wxImageList operations
+// ----------------------------------------------------------------------------
+
// Adds a bitmap, and optionally a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
int wxImageList::Add(const wxBitmap& bitmap, const wxBitmap& mask)
{
- HBITMAP hBitmap1 = (HBITMAP) bitmap.GetHBITMAP();
- HBITMAP hBitmap2 = 0;
- if ( mask.Ok() )
- hBitmap2 = (HBITMAP) mask.GetHBITMAP();
- else if (bitmap.GetMask())
- hBitmap2 = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
-
- HBITMAP hBitmapI=0;
- if(hBitmap2!=0) {
- // Microsoft imagelist masks are inverted from wxWindows mask standard (white is mask color)
- BITMAP bm;
- ::GetObject(hBitmap2,sizeof(BITMAP),(LPVOID)&bm);
- int w=bm.bmWidth;
- int h=bm.bmHeight;
- HDC hdc = ::CreateCompatibleDC(NULL);
- HDC hdci = ::CreateCompatibleDC(NULL);
- hBitmapI = ::CreateCompatibleBitmap(hdci, w, h);
- ::SelectObject(hdc, hBitmap2);
- ::SelectObject(hdci, hBitmapI);
- ::BitBlt(hdci, 0, 0, w, h, hdc, 0, 0, NOTSRCCOPY);
- ::DeleteDC(hdc);
- ::DeleteDC(hdci);
- }
+ HBITMAP hbmpMask = GetMaskForImage(bitmap, mask);
- int index = ImageList_Add((HIMAGELIST) GetHIMAGELIST(), hBitmap1, hBitmapI);
- if ( index == -1 )
+ int index = ImageList_Add(GetHImageList(), GetHbitmapOf(bitmap), hbmpMask);
+ if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
- // Clean up inverted mask
- if(hBitmapI!=0)
- ::DeleteObject(hBitmapI);
+ ::DeleteObject(hbmpMask);
return index;
}
int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
{
#ifdef __TWIN32__
- wxFAIL_MSG("ImageList_AddMasked not implemented in TWIN32");
- return -1;
+ wxFAIL_MSG(_T("ImageList_AddMasked not implemented in TWIN32"));
+ return -1;
#else
- HBITMAP hBitmap1 = (HBITMAP) bitmap.GetHBITMAP();
- COLORREF colorRef = PALETTERGB(maskColour.Red(), maskColour.Green(), maskColour.Blue());
- return ImageList_AddMasked((HIMAGELIST) GetHIMAGELIST(), hBitmap1, colorRef);
+ int index = ImageList_AddMasked(GetHImageList(),
+ GetHbitmapOf(bitmap),
+ wxColourToRGB(maskColour));
+ if ( index == -1 )
+ {
+ wxLogError(_("Couldn't add an image to the image list."));
+ }
+
+ return index;
#endif
}
// Adds a bitmap and mask from an icon.
int wxImageList::Add(const wxIcon& icon)
{
- HICON hIcon = (HICON) icon.GetHICON();
- return ImageList_AddIcon((HIMAGELIST) GetHIMAGELIST(), hIcon);
+ int index = ImageList_AddIcon(GetHImageList(), GetHiconOf(icon));
+ if ( index == -1 )
+ {
+ wxLogError(_("Couldn't add an image to the image list."));
+ }
+
+ return index;
}
// Replaces a bitmap, optionally passing a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
-bool wxImageList::Replace(int index, const wxBitmap& bitmap, const wxBitmap& mask)
+bool wxImageList::Replace(int index,
+ const wxBitmap& bitmap, const wxBitmap& mask)
{
#ifdef __TWIN32__
- wxFAIL_MSG("ImageList_Replace not implemented in TWIN32");
- return FALSE;
+ wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
+ return FALSE;
#else
- HBITMAP hBitmap1 = (HBITMAP) bitmap.GetHBITMAP();
- HBITMAP hBitmap2 = 0;
- if ( mask.Ok() )
- hBitmap2 = (HBITMAP) mask.GetHBITMAP();
- return (ImageList_Replace((HIMAGELIST) GetHIMAGELIST(), index, hBitmap1, hBitmap2) != 0);
-#endif
-}
+ HBITMAP hbmpMask = GetMaskForImage(bitmap, mask);
-/* Not supported by Win95
-// Replacing a bitmap, using the specified colour to create the mask bitmap
-// Note that wxImageList creates new bitmaps, so you may delete
-// 'bitmap'.
-bool wxImageList::Replace(int index, const wxBitmap& bitmap, const wxColour& maskColour)
-{
- HBITMAP hBitmap1 = (HBITMAP) bitmap.GetHBITMAP();
- COLORREF colorRef = PALETTERGB(maskColour.Red(), maskColour.Green(), maskColour.Blue());
- return (bool) ImageList_ReplaceMasked((HIMAGELIST) GetHIMAGELIST(), index, hBitmap1, colorRef);
+ bool ok = ImageList_Replace(GetHImageList(), index,
+ GetHbitmapOf(bitmap), hbmpMask) != 0;
+ if ( !ok )
+ {
+ wxLogLastError(wxT("ImageList_Add()"));
+ }
+
+ ::DeleteObject(hbmpMask);
+
+ return ok;
+#endif
}
-*/
// Replaces a bitmap and mask from an icon.
-bool wxImageList::Replace(int index, const wxIcon& icon)
+bool wxImageList::Replace(int i, const wxIcon& icon)
{
- HICON hIcon = (HICON) icon.GetHICON();
- return (ImageList_ReplaceIcon((HIMAGELIST) GetHIMAGELIST(), index, hIcon) != 0);
+ bool ok = ImageList_ReplaceIcon(GetHImageList(), i, GetHiconOf(icon)) != 0;
+ if ( !ok )
+ {
+ wxLogLastError(wxT("ImageList_ReplaceIcon()"));
+ }
+
+ return ok;
}
// Removes the image at the given index.
bool wxImageList::Remove(int index)
{
#ifdef __TWIN32__
- wxFAIL_MSG("ImageList_Replace not implemented in TWIN32");
- return FALSE;
+ wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
+ return FALSE;
#else
- return (ImageList_Remove((HIMAGELIST) GetHIMAGELIST(), index) != 0);
+ bool ok = ImageList_Remove(GetHImageList(), index) != 0;
+ if ( !ok )
+ {
+ wxLogLastError(wxT("ImageList_Remove()"));
+ }
+
+ return ok;
#endif
}
// Remove all images
-bool wxImageList::RemoveAll(void)
+bool wxImageList::RemoveAll()
{
- // TODO: Is this correct?
- while ( GetImageCount() > 0 )
- {
- Remove(0);
- }
- return TRUE;
+ // 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;
}
// Draws the given image on a dc at the specified position.
// 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, wxDC& dc, int x, int y,
- int flags, bool solidBackground)
+bool wxImageList::Draw(int index,
+ wxDC& dc,
+ int x, int y,
+ int flags,
+ bool solidBackground)
{
#ifdef __TWIN32__
- wxFAIL_MSG("ImageList_Replace not implemented in TWIN32");
- return FALSE;
+ wxFAIL_MSG(_T("ImageList_Replace not implemented in TWIN32"));
+ return FALSE;
#else
- HDC hDC = (HDC) dc.GetHDC();
- if ( !hDC )
- return FALSE;
-
- if ( solidBackground )
- {
- wxBrush *brush = & dc.GetBackground();
- if ( brush && brush->Ok())
- {
- wxColour col(brush->GetColour());
- ImageList_SetBkColor((HIMAGELIST) GetHIMAGELIST(),
- PALETTERGB(col.Red(), col.Green(), col.Blue()));
- }
- else
- ImageList_SetBkColor((HIMAGELIST) GetHIMAGELIST(),
- CLR_NONE);
- }
- else
- ImageList_SetBkColor((HIMAGELIST) GetHIMAGELIST(),
- CLR_NONE);
+ HDC hDC = GetHdcOf(dc);
+ 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() )
+ {
+ clr = wxColourToRGB(brush->GetColour());
+ }
+ }
+
+ ImageList_SetBkColor(GetHImageList(), clr);
UINT style = 0;
- if ( flags & wxIMAGELIST_DRAW_NORMAL )
- style |= ILD_NORMAL;
- if ( flags & wxIMAGELIST_DRAW_TRANSPARENT )
- style |= ILD_TRANSPARENT;
- if ( flags & wxIMAGELIST_DRAW_SELECTED )
- style |= ILD_SELECTED;
- if ( flags & wxIMAGELIST_DRAW_FOCUSED )
- style |= ILD_FOCUS;
-
- return (ImageList_Draw((HIMAGELIST) GetHIMAGELIST(), index, hDC,
- x, y, style) != 0);
+ if ( flags & wxIMAGELIST_DRAW_NORMAL )
+ style |= ILD_NORMAL;
+ if ( flags & wxIMAGELIST_DRAW_TRANSPARENT )
+ style |= ILD_TRANSPARENT;
+ if ( flags & wxIMAGELIST_DRAW_SELECTED )
+ style |= ILD_SELECTED;
+ if ( flags & wxIMAGELIST_DRAW_FOCUSED )
+ style |= ILD_FOCUS;
+
+ bool ok = ImageList_Draw(GetHImageList(), index, hDC, x, y, style) != 0;
+ if ( !ok )
+ {
+ wxLogLastError(wxT("ImageList_Draw()"));
+ }
+
+ return ok;
#endif
}
-#endif
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
+{
+ HBITMAP hbmpMask;
+ wxBitmap *bmpMask = NULL;
+
+ if ( mask.Ok() )
+ {
+ hbmpMask = GetHbitmapOf(mask);
+ }
+ else
+ {
+ wxMask *pMask = bitmap.GetMask();
+ if ( pMask )
+ {
+ hbmpMask = (HBITMAP)pMask->GetMaskBitmap();
+ }
+ else
+ {
+ // 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);
+
+ wxMemoryDC dcMem;
+ dcMem.SelectObject(*bmpMask);
+ dcMem.Clear();
+ dcMem.SelectObject(wxNullBitmap);
+
+ hbmpMask = GetHbitmapOf(*bmpMask);
+ }
+ }
+
+ // windows mask convention is opposite to the wxWindows one
+ HBITMAP hbmpMaskInv = wxInvertMask(hbmpMask);
+ delete bmpMask;
+
+ return hbmpMaskInv;
+}
+
+#endif // Win95
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