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// myimagelist.cpp - Implementation of CMyImageList
//
// WinDirStat - Directory Statistics
// Copyright (C) 2003 Bernhard Seifert
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Author: bseifert@users.sourceforge.net, bseifert@daccord.net
#include "stdafx.h"
#include "windirstat.h"
#include "myimagelist.h"
CMyImageList::CMyImageList()
{
m_filesFolderImage= 0;
m_freeSpaceImage= 0;
m_unknownImage= 0;
}
CMyImageList::~CMyImageList()
{
}
void CMyImageList::Initialize()
{
if (m_hImageList == NULL)
{
SHFILEINFO sfi;
HIMAGELIST hil= (HIMAGELIST)SHGetFileInfo(_T(""), 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
Attach(ImageList_Duplicate(hil));
for (int i=0; i < GetImageCount(); i++)
m_indexMap.SetAt(i, i);
AddCustomImages();
}
}
int CMyImageList::CacheIcon(LPCTSTR path, UINT flags, CString *psTypeName)
{
ASSERT(m_hImageList != NULL); // should have been Initialize()ed.
flags|= SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
if (psTypeName != NULL)
flags|= SHGFI_TYPENAME;
SHFILEINFO sfi;
HIMAGELIST hil= (HIMAGELIST)SHGetFileInfo(path, 0, &sfi, sizeof(sfi), flags);
if (hil == NULL)
{
TRACE(_T("SHGetFileInfo() failed\n"));
return GetEmptyImage();
}
if (psTypeName != NULL)
*psTypeName= sfi.szTypeName;
int i;
if (!m_indexMap.Lookup(sfi.iIcon, i))
{
CImageList *sil= CImageList::FromHandle(hil);
/*
This doesn't work:
IMAGEINFO ii;
VERIFY(sil->GetImageInfo(sfi.iIcon, &ii));
i= Add(CBitmap::FromHandle(ii.hbmImage), CBitmap::FromHandle(ii.hbmMask));
So we use this method:
*/
i= Add(sil->ExtractIcon(sfi.iIcon));
m_indexMap.SetAt(sfi.iIcon, i);
}
return i;
}
int CMyImageList::GetMyComputerImage()
{
LPITEMIDLIST pidl= NULL;
HRESULT hr= SHGetSpecialFolderLocation(NULL, CSIDL_DRIVES, &pidl);
if (FAILED(hr))
{
TRACE(_T("SHGetSpecialFolderLocation(CSIDL_DRIVES) failed!\n"));
return 0;
}
int i= CacheIcon((LPCTSTR)pidl, SHGFI_PIDL);
CoTaskMemFree(pidl);
return i;
}
int CMyImageList::GetMountPointImage()
{
return CacheIcon(GetADriveSpec(), 0); // The flag SHGFI_USEFILEATTRIBUTES doesn't work on W95.
}
int CMyImageList::GetFolderImage()
{
return CacheIcon(_T(""), 0);
}
int CMyImageList::GetFileImage(LPCTSTR path)
{
return CacheIcon(path, 0);
}
int CMyImageList::GetExtImageAndDescription(LPCTSTR ext, CString& description)
{
return CacheIcon(ext, SHGFI_USEFILEATTRIBUTES, &description);
}
int CMyImageList::GetFilesFolderImage()
{
ASSERT(m_hImageList != NULL); // should have been Initialize()ed.
return m_filesFolderImage;
}
int CMyImageList::GetFreeSpaceImage()
{
ASSERT(m_hImageList != NULL); // should have been Initialize()ed.
return m_freeSpaceImage;
}
int CMyImageList::GetUnknownImage()
{
ASSERT(m_hImageList != NULL); // should have been Initialize()ed.
return m_unknownImage;
}
int CMyImageList::GetEmptyImage()
{
ASSERT(m_hImageList != NULL);
return m_emptyImage;
}
// Returns an arbitrary present drive
CString CMyImageList::GetADriveSpec()
{
CString s;
UINT u= GetWindowsDirectory(s.GetBuffer(_MAX_PATH), _MAX_PATH);
s.ReleaseBuffer();
if (u == 0 || s.GetLength() < 3 || s[1] != _T(':') || s[2] != _T('\\'))
return _T("C:\\");
return s.Left(3);
}
void CMyImageList::AddCustomImages()
{
const CUSTOM_IMAGE_COUNT = 4;
const COLORREF bgcolor= RGB(255,0,255);
int folderImage= GetFolderImage();
int driveImage= GetMountPointImage();
IMAGEINFO ii;
ZeroMemory(&ii, sizeof(ii));
VERIFY(GetImageInfo(folderImage, &ii));
CRect rc= ii.rcImage;
CClientDC dcClient(CWnd::GetDesktopWindow());
CDC dcmem;
dcmem.CreateCompatibleDC(&dcClient);
CBitmap target;
target.CreateCompatibleBitmap(&dcClient, rc.Width() * CUSTOM_IMAGE_COUNT, rc.Height());
{
CSelectObject sotarget(&dcmem, &target);
dcmem.FillSolidRect(0, 0, rc.Width() * CUSTOM_IMAGE_COUNT, rc.Height(), bgcolor);
CPoint pt(0, 0);
COLORREF safe= SetBkColor(bgcolor);
VERIFY(Draw(&dcmem, folderImage, pt, ILD_NORMAL));
pt.x+= rc.Width();
VERIFY(Draw(&dcmem, driveImage, pt, ILD_NORMAL));
pt.x+= rc.Width();
VERIFY(Draw(&dcmem, driveImage, pt, ILD_NORMAL));
SetBkColor(safe);
// Now we re-color the imagees
for (int i=0; i < rc.Width(); i++)
for (int j=0; j < rc.Height(); j++)
{
// We "blueify" the folder image ("<Files>")
COLORREF c= dcmem.GetPixel(i, j);
if (c != bgcolor)
{
int brightness= (GetRValue(c) + GetGValue(c) + GetBValue(c)) / 3;
dcmem.SetPixel(i, j, RGB(0, brightness, brightness));
}
// ... "greenify" the drive image ("<Free Space>")
c= dcmem.GetPixel(rc.Width() + i, j);
if (c != bgcolor)
{
int brightness= (GetRValue(c) + GetGValue(c) + GetBValue(c)) / 3;
dcmem.SetPixel(rc.Width() + i, j, RGB(120, brightness, 120));
}
// ...and "yellowify" the drive image ("<Unknown>")
c= dcmem.GetPixel(2 * rc.Width() + i, j);
if (c != bgcolor)
{
int brightness= (GetRValue(c) + GetGValue(c) + GetBValue(c)) / 3;
dcmem.SetPixel(2 * rc.Width() + i, j, RGB(brightness, brightness, 0));
}
}
}
int k= Add(&target, bgcolor);
m_filesFolderImage= k++;
m_freeSpaceImage= k++;
m_unknownImage= k++;
m_emptyImage= k++;
}
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