#include "ctlspriv.h"
#include "image.h"
#include "../CommonImageList.h"
#define __IOleControl_INTERFACE_DEFINED__ // There is a conflict with the IOleControl's def of CONTROLINFO
#include "CommonControls.h"
// Define this structure such that it will read and write the same
// format for both 16 and 32 bit applications...
#pragma pack(2)
typedef struct _ILFILEHEADER
{
WORD magic;
WORD version;
SHORT cImage;
SHORT cAlloc;
SHORT cGrow;
SHORT cx;
SHORT cy;
COLORREF clrBk;
SHORT flags;
SHORT aOverlayIndexes[NUM_OVERLAY_IMAGES]; // array of special images
} ILFILEHEADER;
// This is the old size which has only 4 overlay slots
#define ILFILEHEADER_SIZE0 (SIZEOF(ILFILEHEADER) - SIZEOF(SHORT) * (NUM_OVERLAY_IMAGES - NUM_OVERLAY_IMAGES_0))
#pragma pack()
void ImageList_DeleteDragBitmaps();
HRESULT Stream_WriteBitmap(LPSTREAM pstm, HBITMAP hbm, int cBitsPerPixel);
HRESULT Stream_ReadBitmap(LPSTREAM pstm, BOOL f, HBITMAP* hbmp);
BOOL ImageList_SetDragImage(HIMAGELIST piml, int i, int dxHotspot, int dyHotspot);
class CImageList : public CImageListBase, public IImageList, public IImageListPriv, public IPersistStream
{
long _cRef;
~CImageList();
void _Destroy();
public:
CImageList();
HRESULT Initialize(int cx, int cy, UINT flags, int cInitial, int cGrow);
void _RemoveItemBitmap(int i);
BOOL _IsSameObject(IUnknown* punk);
HRESULT _SetIconSize(int cxImage, int cyImage);
HBITMAP _CreateMirroredBitmap(HBITMAP hbmOrig);
HRESULT _ReAllocBitmaps(int cAlloc);
HRESULT _Add(HBITMAP hbmImage, HBITMAP hbmMask, int cImage, int xStart, int yStart, int* pi);
HRESULT _AddMasked(HBITMAP hbmImage, COLORREF crMask, int* pi);
HRESULT _AddValidated(HBITMAP hbmImage, HBITMAP hbmMask, int* pi);
HRESULT _ReplaceValidated(int i, HBITMAP hbmImage, HBITMAP hbmMask);
HRESULT _Replace(int i, int cImage, HBITMAP hbmImage, HBITMAP hbmMask, int xStart, int yStart);
HRESULT _Remove(int i);
HRESULT _SetOverlayImage(int iImage, int iOverlay);
HRESULT _ReplaceIcon(int i, HICON hIcon, int* pi);
HBITMAP _CopyBitmap(HBITMAP hbm, HDC hdc);
void _Merge(IImageList* pux, int i, int dx, int dy);
HRESULT _Merge(int i1, IUnknown* punk, int i2, int dx, int dy, CImageList** ppiml);
HRESULT _Read(ILFILEHEADER *pilfh, HBITMAP hbmImage, HBITMAP hbmMask);
BOOL _MoreOverlaysUsed();
BOOL GetSpareImageRect(RECT * prcImage);
void _CopyOneImage(int iDst, int x, int y, CImageList* piml, int iSrc);
BOOL CreateDragBitmaps();
COLORREF _SetBkColor(COLORREF clrBk);
HBITMAP _CreateBitmap(int cx, int cy);
void _ResetBkColor(int iFirst, int iLast, COLORREF clr);
static BOOL GlobalInit(void);
static void GlobalUninit(void);
static void SelectDstBitmap(HBITMAP hbmDst);
static void SelectSrcBitmap(HBITMAP hbmSrc);
static CImageList* Create(int cx, int cy, UINT flags, int cInitial, int cGrow);
static void _DeleteBitmap(HBITMAP hbmp);
BOOL _fInitialized;
BOOL _fSolidBk; // is the bkcolor a solid color (in hbmImage)
BOOL _fColorsSet; // The DIB colors have been set with SetColorTable()
int _cImage; // count of images in image list
int _cAlloc; // # of images we have space for
int _cGrow; // # of images to grow bitmaps by
int _cx; // width of each image
int _cy; // height
int _cStrip; // # images in horizontal strip
UINT _flags; // ILC_* flags
COLORREF _clrBlend; // last blend color
COLORREF _clrBk; // bk color or CLR_NONE for transparent.
HBRUSH _hbrBk; // bk brush or black
HBITMAP _hbmImage; // all images are in here
HBITMAP _hbmMask; // all image masks are in here.
HDC _hdcImage;
HDC _hdcMask;
int _aOverlayIndexes[NUM_OVERLAY_IMAGES]; // array of special images
int _aOverlayX[NUM_OVERLAY_IMAGES]; // x offset of image
int _aOverlayY[NUM_OVERLAY_IMAGES]; // y offset of image
int _aOverlayDX[NUM_OVERLAY_IMAGES]; // cx offset of image
int _aOverlayDY[NUM_OVERLAY_IMAGES]; // cy offset of image
int _aOverlayF[NUM_OVERLAY_IMAGES]; // ILD_ flags for image
CImageList* _pimlMirror; // Set only when another mirrored imagelist is needed (ILC_MIRROR)
//
// used for "blending" effects on a HiColor display.
// assumes layout of a DIBSECTION.
//
struct
{
BITMAP bm;
BITMAPINFOHEADER bi;
DWORD ct[256];
} dib;
// *** IUnknown ***
STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
STDMETHODIMP_(ULONG)AddRef();
STDMETHODIMP_(ULONG)Release();
// *** IImageList ***
STDMETHODIMP Add(HBITMAP hbmImage, HBITMAP hbmMask, int* pi);
STDMETHODIMP ReplaceIcon(int i, HICON hIcon, int* pi);
STDMETHODIMP SetOverlayImage(int iImage, int iOverlay);
STDMETHODIMP Replace(int i, HBITMAP hbmImage, HBITMAP hbmMask);
STDMETHODIMP AddMasked(HBITMAP hbmImage, COLORREF crMask, int* pi);
STDMETHODIMP Draw(IMAGELISTDRAWPARAMS* pimldp);
STDMETHODIMP Remove(int i);
STDMETHODIMP GetIcon(int i, UINT flags, HICON* phicon);
STDMETHODIMP GetImageInfo(int i, IMAGEINFO * pImageInfo);
STDMETHODIMP Copy(int iDst, IUnknown* punkSrc, int iSrc, UINT uFlags);
STDMETHODIMP Merge(int i1, IUnknown* punk, int i2, int dx, int dy, REFIID riid, void** ppv);
STDMETHODIMP Clone(REFIID riid, void** ppv);
STDMETHODIMP GetImageRect(int i, RECT * prcImage);
STDMETHODIMP SetIconSize(int cxImage, int cyImage);
STDMETHODIMP GetIconSize(int* pcx, int* pcy);
STDMETHODIMP SetImageCount(UINT uAlloc);
STDMETHODIMP GetImageCount(int* pi);
STDMETHODIMP SetBkColor(COLORREF clrBk, COLORREF* pclr);
STDMETHODIMP GetBkColor(COLORREF* pclr);
STDMETHODIMP BeginDrag(int iTrack, int dxHotspot, int dyHotspot);
STDMETHODIMP DragEnter(HWND hwndLock, int x, int y);
STDMETHODIMP DragMove(int x, int y);
STDMETHODIMP DragLeave(HWND hwndLock);
STDMETHODIMP EndDrag();
STDMETHODIMP SetDragCursorImage(IUnknown* punk, int i, int dxHotspot, int dyHotspot);
STDMETHODIMP DragShowNolock(BOOL fShow);
STDMETHODIMP GetDragImage(POINT * ppt, POINT * pptHotspot, REFIID riid, void** ppv);
STDMETHODIMP GetItemFlags(int i, DWORD *dwFlags);
STDMETHODIMP GetOverlayImage(int iOverlay, int* piImage);
// *** IImageListPriv ***
STDMETHODIMP SetFlags(UINT uFlags);
STDMETHODIMP GetFlags(UINT* puFlags);
STDMETHODIMP SetColorTable(int start, int len, RGBQUAD *prgb, int* pi);
STDMETHODIMP GetPrivateGoo(HBITMAP* hbmp, HDC* hdc, HBITMAP* hbmpMask, HDC* hdcMask);
STDMETHODIMP GetMirror(REFIID riid, void** ppv);
STDMETHODIMP CopyDitherImage(WORD iDst, int xDst, int yDst, IUnknown* punkSrc, int iSrc, UINT fStyle);
// *** IPersist ***
STDMETHODIMP GetClassID(CLSID *pClassID) { *pClassID = CLSID_ImageList; return S_OK; }
STDMETHODIMP IsDirty() { return E_NOTIMPL; }
// *** IPersistStream ***
STDMETHODIMP Load(IStream *pStm);
STDMETHODIMP Save(IStream *pStm, int fClearDirty);
STDMETHODIMP GetSizeMax(ULARGE_INTEGER * pcbSize) { return E_NOTIMPL; }
};
HDC g_hdcSrc = NULL;
HBITMAP g_hbmSrc = NULL;
HBITMAP g_hbmDcDeselect = NULL;
HDC g_hdcDst = NULL;
HBITMAP g_hbmDst = NULL;
int g_iILRefCount = 0;
HRESULT HIMAGELIST_QueryInterface(HIMAGELIST himl, REFIID riid, void** ppv)
{
*ppv = NULL;
if (himl)
{
// First Convert the HIMAGELIST to an IUnknown.
IUnknown* punk = reinterpret_cast<IUnknown*>(himl);
// Now, we need to validate the object. CImageListBase contains the goo needed to figure out if this
// is a valid imagelist.
CImageListBase* pval = FindImageListBase(punk);
// Now we call some private member.
if (pval->IsValid())
{
// If it's valid then we can QI safely.
return punk->QueryInterface(riid, ppv);
}
}
return E_POINTER;
}
HRESULT WimpyDrawEx(IImageList* pux, int i, HDC hdcDst, int x, int y, int cx, int cy, COLORREF rgbBk, COLORREF rgbFg, UINT fStyle)
{
IMAGELISTDRAWPARAMS imldp = {0};
imldp.cbSize = sizeof(imldp);
imldp.himl = reinterpret_cast<HIMAGELIST>(pux);
imldp.i = i;
imldp.hdcDst = hdcDst;
imldp.x = x;
imldp.y = y;
imldp.cx = cx;
imldp.cy = cy;
imldp.rgbBk = rgbBk;
imldp.rgbFg = rgbFg;
imldp.fStyle = fStyle;
imldp.dwRop = SRCCOPY;
return pux->Draw(&imldp);
}
HRESULT WimpyDraw(IImageList* pux, int i, HDC hdcDst, int x, int y, UINT fStyle)
{
IMAGELISTDRAWPARAMS imldp = {0};
imldp.cbSize = sizeof(imldp);
imldp.himl = reinterpret_cast<HIMAGELIST>(pux);
imldp.i = i;
imldp.hdcDst = hdcDst;
imldp.x = x;
imldp.y = y;
imldp.rgbBk = CLR_DEFAULT;
imldp.rgbFg = CLR_DEFAULT;
imldp.fStyle = fStyle;
imldp.dwRop = SRCCOPY;
return pux->Draw(&imldp);
}
CImageList::CImageList() : _cRef(1)
{
}
CImageList::~CImageList()
{
if (_pimlMirror)
{
_pimlMirror->Release();
}
_Destroy();
}
HRESULT CImageList::Initialize(int cxI, int cyI, UINT flagsI, int cInitialI, int cGrowI)
{
HRESULT hr = E_OUTOFMEMORY;
if (cGrowI < 4)
{
cGrowI = 4;
}
else
{
// round up by 4's
cGrowI = (cGrowI + 3) & ~3;
}
_cStrip = 4;
_cGrow = cGrowI;
_cx = cxI;
_cy = cyI;
_clrBlend = CLR_NONE;
_clrBk = CLR_NONE;
_hbrBk = (HBRUSH)GetStockObject(BLACK_BRUSH);
_fSolidBk = TRUE;
_flags = flagsI;
_pimlMirror = NULL;
//
// Initialize the overlay indexes to -1 since 0 is a valid index.
//
for (int i = 0; i < NUM_OVERLAY_IMAGES; i++)
{
_aOverlayIndexes[i] = -1;
}
_hdcImage = CreateCompatibleDC(NULL);
if (_hdcImage)
{
hr = S_OK;
if (_flags & ILC_MASK)
{
_hdcMask = CreateCompatibleDC(NULL);
if (!_hdcMask)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
hr = _ReAllocBitmaps(cInitialI + 1);
if (FAILED(hr))
{
hr = _ReAllocBitmaps(1);
}
}
}
// Don't do this if we are already initialized, we just want to pass new information....
if (SUCCEEDED(hr) && !_fInitialized)
g_iILRefCount++;
_fInitialized = TRUE;
return hr;
}
HRESULT CImageList::QueryInterface(REFIID riid, void **ppv)
{
HRESULT hr = E_NOINTERFACE;
if (riid == IID_IUnknown ||
riid == IID_IImageList)
{
*ppv = (IImageList*)this;
hr = S_OK;
}
else if (riid == IID_IImageListPriv)
{
*ppv = (IImageListPriv*)this;
hr = S_OK;
}
else if (riid == IID_IPersist)
{
*ppv = (IPersist*)this;
hr = S_OK;
}
else if (riid == IID_IPersistStream)
{
*ppv = (IPersistStream*)this;
hr = S_OK;
}
if (SUCCEEDED(hr))
AddRef();
return hr;
}
ULONG CImageList::AddRef()
{
return InterlockedIncrement(&_cRef);
}
ULONG CImageList::Release()
{
ASSERT( 0 != _cRef );
ULONG cRef = InterlockedDecrement(&_cRef);
if ( 0 == cRef )
{
delete this;
}
return cRef;
}
HRESULT CImageList::GetPrivateGoo(HBITMAP* phbmp, HDC* phdc, HBITMAP* phbmpMask, HDC* phdcMask)
{
if (phbmp)
*phbmp = _hbmImage;
if (phdc)
*phdc = _hdcImage;
if (phbmpMask)
*phbmpMask = _hbmMask;
if (phdcMask)
*phdcMask = _hdcMask;
return S_OK;
}
HRESULT CImageList::GetMirror(REFIID riid, void** ppv)
{
if (_pimlMirror)
return _pimlMirror->QueryInterface(riid, ppv);
return E_NOINTERFACE;
}
//
// global work buffer, this buffer is always a DDB never a DIBSection
//
HBITMAP g_hbmWork = NULL; // work buffer.
BITMAP g_bmWork = {0}; // work buffer size
HBRUSH g_hbrMonoDither = NULL; // gray dither brush for dragging
HBRUSH g_hbrStripe = NULL;
#define NOTSRCAND 0x00220326L
#define ROP_PSo 0x00FC008A
#define ROP_DPo 0x00FA0089
#define ROP_DPna 0x000A0329
#define ROP_DPSona 0x00020c89
#define ROP_SDPSanax 0x00E61ce8
#define ROP_DSna 0x00220326
#define ROP_PSDPxax 0x00b8074a
#define ROP_PatNotMask 0x00b8074a // D <- S==0 ? P : D
#define ROP_PatMask 0x00E20746 // D <- S==1 ? P : D
#define ROP_MaskPat 0x00AC0744 // D <- P==1 ? D : S
#define ROP_DSo 0x00EE0086L
#define ROP_DSno 0x00BB0226L
#define ROP_DSa 0x008800C6L
static int g_iDither = 0;
void InitDitherBrush()
{
HBITMAP hbmTemp;
static const WORD graybits[] = {0xAAAA, 0x5555, 0xAAAA, 0x5555,
0xAAAA, 0x5555, 0xAAAA, 0x5555};
if (g_iDither)
{
g_iDither++;
}
else
{
// build the dither brush. this is a fixed 8x8 bitmap
hbmTemp = CreateBitmap(8, 8, 1, 1, graybits);
if (hbmTemp)
{
// now use the bitmap for what it was really intended...
g_hbrMonoDither = CreatePatternBrush(hbmTemp);
DeleteObject(hbmTemp);
g_iDither++;
}
}
}
void TerminateDitherBrush()
{
g_iDither--;
if (g_iDither == 0)
{
DeleteObject(g_hbrMonoDither);
g_hbrMonoDither = NULL;
}
}
/*
** GetScreenDepth()
*/
int GetScreenDepth()
{
int i;
HDC hdc = GetDC(NULL);
i = GetDeviceCaps(hdc, BITSPIXEL) * GetDeviceCaps(hdc, PLANES);
ReleaseDC(NULL, hdc);
return i;
}
//
// should we use a DIB section on the current device?
//
// the main goal of using DS is to save memory, but they draw slow
// on some devices.
//
// 4bpp Device (ie 16 color VGA) dont use DS
// 8bpp Device (ie 256 color SVGA) use DS if DIBENG based.
// >8bpp Device (ie 16bpp 24bpp) always use DS, saves memory
//
#define CAPS1 94 /* other caps */
#define C1_DIBENGINE 0x0010 /* DIB Engine compliant driver */
//
// create a bitmap compatible with the given ImageList
//
HBITMAP CImageList::_CreateBitmap(int cx, int cy)
{
HDC hdc;
HBITMAP hbm;
void* lpBits;
struct
{
BITMAPINFOHEADER bi;
DWORD ct[256];
} dib;
//
// create a compatible bitmap if the imagelist has a bitmap already.
//
if (_hbmImage && _hdcImage)
{
return CreateCompatibleBitmap(_hdcImage, cx, cy);
}
hdc = GetDC(NULL);
// no color depth was specifed
//
// if we are on a DIBENG based DISPLAY, we use 4bit DIBSections to save
// memory.
//
if ((_flags & ILC_COLORMASK) == 0)
{
_flags |= ILC_COLOR4;
}
if ((_flags & ILC_COLORMASK) != ILC_COLORDDB)
{
dib.bi.biSize = sizeof(BITMAPINFOHEADER);
dib.bi.biWidth = cx;
dib.bi.biHeight = cy;
dib.bi.biPlanes = 1;
dib.bi.biBitCount = (_flags & ILC_COLORMASK);
dib.bi.biCompression = BI_RGB;
dib.bi.biSizeImage = 0;
dib.bi.biXPelsPerMeter = 0;
dib.bi.biYPelsPerMeter = 0;
dib.bi.biClrUsed = 16;
dib.bi.biClrImportant = 0;
dib.ct[0] = 0x00000000; // 0000 black
dib.ct[1] = 0x00800000; // 0001 dark red
dib.ct[2] = 0x00008000; // 0010 dark green
dib.ct[3] = 0x00808000; // 0011 mustard
dib.ct[4] = 0x00000080; // 0100 dark blue
dib.ct[5] = 0x00800080; // 0101 purple
dib.ct[6] = 0x00008080; // 0110 dark turquoise
dib.ct[7] = 0x00C0C0C0; // 1000 gray
dib.ct[8] = 0x00808080; // 0111 dark gray
dib.ct[9] = 0x00FF0000; // 1001 red
dib.ct[10] = 0x0000FF00; // 1010 green
dib.ct[11] = 0x00FFFF00; // 1011 yellow
dib.ct[12] = 0x000000FF; // 1100 blue
dib.ct[13] = 0x00FF00FF; // 1101 pink (magenta)
dib.ct[14] = 0x0000FFFF; // 1110 cyan
dib.ct[15] = 0x00FFFFFF; // 1111 white
if (dib.bi.biBitCount == 8)
{
HPALETTE hpal;
int i;
if (hpal = CreateHalftonePalette(NULL))
{
i = GetPaletteEntries(hpal, 0, 256, (LPPALETTEENTRY)&dib.ct[0]);
DeleteObject(hpal);
if (i > 64)
{
dib.bi.biClrUsed = i;
for (i=0; i<(int)dib.bi.biClrUsed; i++)
dib.ct[i] = RGB(GetBValue(dib.ct[i]),GetGValue(dib.ct[i]),GetRValue(dib.ct[i]));
}
}
else
{
dib.bi.biBitCount = (_flags & ILC_COLORMASK);
dib.bi.biClrUsed = 256;
}
if (dib.bi.biClrUsed <= 16)
dib.bi.biBitCount = 4;
}
hbm = CreateDIBSection(hdc, (LPBITMAPINFO)&dib, DIB_RGB_COLORS, &lpBits, NULL, 0);
}
else
{
hbm = CreateCompatibleBitmap(hdc, cx, cy);
}
ReleaseDC(NULL, hdc);
return hbm;
}
EXTERN_C HBITMAP CreateColorBitmap(int cx, int cy)
{
HBITMAP hbm;
HDC hdc;
hdc = GetDC(NULL);
//
// on a multimonitor system with mixed bitdepths
// always use a 32bit bitmap for our work buffer
// this will prevent us from losing colors when
// blting to and from the screen. this is mainly
// important for the drag & drop offscreen buffers.
//
if (!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) &&
GetSystemMetrics(SM_CMONITORS) > 1 &&
GetSystemMetrics(SM_SAMEDISPLAYFORMAT) == 0)
{
void* p;
BITMAPINFO bi = {sizeof(BITMAPINFOHEADER), cx, cy, 1, 32};
hbm = CreateDIBSection(hdc, &bi, DIB_RGB_COLORS, &p, NULL, 0);
}
else
{
hbm = CreateCompatibleBitmap(hdc, cx, cy);
}
ReleaseDC(NULL, hdc);
return hbm;
}
EXTERN_C HBITMAP CreateMonoBitmap(int cx, int cy)
{
return CreateBitmap(cx, cy, 1, 1, NULL);
}
//============================================================================
BOOL CImageList::GlobalInit(void)
{
HDC hdcScreen;
static const WORD stripebits[] = {0x7777, 0xdddd, 0x7777, 0xdddd,
0x7777, 0xdddd, 0x7777, 0xdddd};
HBITMAP hbmTemp;
// if already initialized, there is nothing to do
if (g_hdcDst)
return TRUE;
hdcScreen = GetDC(HWND_DESKTOP);
g_hdcSrc = CreateCompatibleDC(hdcScreen);
g_hdcDst = CreateCompatibleDC(hdcScreen);
InitDitherBrush();
hbmTemp = CreateBitmap(8, 8, 1, 1, stripebits);
if (hbmTemp)
{
// initialize the deselect 1x1 bitmap
g_hbmDcDeselect = SelectBitmap(g_hdcDst, hbmTemp);
SelectBitmap(g_hdcDst, g_hbmDcDeselect);
g_hbrStripe = CreatePatternBrush(hbmTemp);
DeleteObject(hbmTemp);
}
ReleaseDC(HWND_DESKTOP, hdcScreen);
if (!g_hdcSrc || !g_hdcDst || !g_hbrMonoDither)
{
CImageList::GlobalUninit();
TraceMsg(TF_ERROR, "ImageList: Unable to initialize");
return FALSE;
}
return TRUE;
}
void CImageList::GlobalUninit()
{
TerminateDitherBrush();
if (g_hbrStripe)
{
DeleteObject(g_hbrStripe);
g_hbrStripe = NULL;
}
ImageList_DeleteDragBitmaps();
if (g_hdcDst)
{
CImageList::SelectDstBitmap(NULL);
DeleteDC(g_hdcDst);
g_hdcDst = NULL;
}
if (g_hdcSrc)
{
CImageList::SelectSrcBitmap(NULL);
DeleteDC(g_hdcSrc);
g_hdcSrc = NULL;
}
if (g_hbmWork)
{
DeleteBitmap(g_hbmWork);
g_hbmWork = NULL;
}
}
void CImageList::SelectDstBitmap(HBITMAP hbmDst)
{
ASSERTCRITICAL;
if (hbmDst != g_hbmDst)
{
// If it's selected in the source DC, then deselect it first
//
if (hbmDst && hbmDst == g_hbmSrc)
CImageList::SelectSrcBitmap(NULL);
SelectBitmap(g_hdcDst, hbmDst ? hbmDst : g_hbmDcDeselect);
g_hbmDst = hbmDst;
}
}
void CImageList::SelectSrcBitmap(HBITMAP hbmSrc)
{
ASSERTCRITICAL;
if (hbmSrc != g_hbmSrc)
{
// If it's selected in the dest DC, then deselect it first
//
if (hbmSrc && hbmSrc == g_hbmDst)
CImageList::SelectDstBitmap(NULL);
SelectBitmap(g_hdcSrc, hbmSrc ? hbmSrc : g_hbmDcDeselect);
g_hbmSrc = hbmSrc;
}
}
HDC ImageList_GetWorkDC(HDC hdc, int dx, int dy)
{
ASSERTCRITICAL;
if (g_hbmWork == NULL ||
GetDeviceCaps(hdc, BITSPIXEL) != g_bmWork.bmBitsPixel ||
g_bmWork.bmWidth < dx || g_bmWork.bmHeight < dy)
{
CImageList::_DeleteBitmap(g_hbmWork);
g_hbmWork = NULL;
if (dx == 0 || dy == 0)
return NULL;
if (g_hbmWork = CreateCompatibleBitmap(hdc, dx, dy))
{
GetObject(g_hbmWork, sizeof(g_bmWork), &g_bmWork);
}
}
CImageList::SelectSrcBitmap(g_hbmWork);
if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
{
HPALETTE hpal = (HPALETTE)SelectPalette(hdc, (HPALETTE)GetStockObject(DEFAULT_PALETTE), TRUE);
SelectPalette(g_hdcSrc, hpal, TRUE);
}
return g_hdcSrc;
}
void ImageList_ReleaseWorkDC(HDC hdc)
{
ASSERTCRITICAL;
ASSERT(hdc == g_hdcSrc);
if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
{
SelectPalette(hdc, (HPALETTE)GetStockObject(DEFAULT_PALETTE), TRUE);
}
}
void CImageList::_DeleteBitmap(HBITMAP hbm)
{
ASSERTCRITICAL;
if (hbm)
{
if (g_hbmDst == hbm)
CImageList::SelectDstBitmap(NULL);
if (g_hbmSrc == hbm)
CImageList::SelectSrcBitmap(NULL);
DeleteBitmap(hbm);
}
}
#define ILC_WIN95 (ILC_MASK | ILC_COLORMASK | ILC_SHARED | ILC_PALETTE)
//============================================================================
HRESULT ImageList_InitGlobals()
{
HRESULT hr = S_OK;
ENTERCRITICAL;
if (!g_iILRefCount)
{
if (!CImageList::GlobalInit())
{
hr = E_OUTOFMEMORY;
}
}
LEAVECRITICAL;
return S_OK;
}
CImageList* CImageList::Create(int cx, int cy, UINT flags, int cInitial, int cGrow)
{
CImageList* piml = NULL;
HRESULT hr = S_OK;
if (cx < 0 || cy < 0)
return NULL;
// Validate the flags
if (flags & ~ILC_VALID)
return NULL;
hr = ImageList_InitGlobals();
ENTERCRITICAL;
if (SUCCEEDED(hr))
{
piml = new CImageList();
// allocate the bitmap PLUS one re-usable entry
if (piml)
{
hr = piml->Initialize(cx, cy, flags, cInitial, cGrow);
if (FAILED(hr))
{
piml->Release();
piml = NULL;
}
}
}
LEAVECRITICAL;
return piml;
}
void CImageList::_Destroy()
{
ENTERCRITICAL;
// nuke dc's
if (_hdcImage)
{
SelectObject(_hdcImage, g_hbmDcDeselect);
DeleteDC(_hdcImage);
}
if (_hdcMask)
{
SelectObject(_hdcMask, g_hbmDcDeselect);
DeleteDC(_hdcMask);
}
// nuke bitmaps
if (_hbmImage)
_DeleteBitmap(_hbmImage);
if (_hbmMask)
_DeleteBitmap(_hbmMask);
if (_hbrBk)
DeleteObject(_hbrBk);
// one less use of imagelists. if it's the last, terminate the imagelist
g_iILRefCount--;
if (!g_iILRefCount)
CImageList::GlobalUninit();
LEAVECRITICAL;
}
HRESULT CImageList::GetImageCount(int* pi)
{
*pi = _cImage;
return S_OK;
}
HRESULT CImageList::SetImageCount(UINT uAlloc)
{
ENTERCRITICAL;
HRESULT hr = _ReAllocBitmaps(-((int)uAlloc + 1));
if (SUCCEEDED(hr))
{
_cImage = (int)uAlloc;
}
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::GetIconSize(int* pcx, int* pcy)
{
if (!pcx || !pcy)
return E_INVALIDARG;
*pcx = _cx;
*pcy = _cy;
return S_OK;
}
//
// change the size of a existing image list
// also removes all items
//
HRESULT CImageList::_SetIconSize(int cxImage, int cyImage)
{
if (_cx == cxImage && _cy == cyImage)
return S_FALSE; // no change
if (_cx < 0 || _cy < 0)
return E_INVALIDARG; // invalid dimensions
_cx = cxImage;
_cy = cyImage;
return Remove(-1);
}
HRESULT CImageList::SetIconSize(int cxImage, int cyImage)
{
if (_pimlMirror)
{
_pimlMirror->_SetIconSize(cxImage, cyImage);
}
return _SetIconSize(cxImage, cyImage);
}
//
// ImageList_SetFlags
//
// change the image list flags, then rebuilds the bitmaps.
//
// the only reason to call this function is to change the
// color depth of the image list, the shell needs to do this
// when the screen depth changes and it wants to use HiColor icons.
//
HRESULT CImageList::SetFlags(UINT uFlags)
{
HBITMAP hOldImage;
// check for valid input flags
if (_flags & ~ILC_VALID)
return E_INVALIDARG;
// you cant change these flags.
if ((uFlags ^ _flags) & ILC_SHARED)
return E_INVALIDARG;
// now change the flags and rebuild the bitmaps.
_flags = uFlags;
// set the old bitmap to NULL, so when Imagelist_remove calls
// ImageList_createBitmap, it will not call CreatecomptibleBitmap,
// it will create the spec for the bitmap from scratch..
hOldImage = _hbmImage;
_hbmImage = NULL;
Remove(-1);
// imagelist::remove will have ensured that the old image is no longer selected
// thus we can now delete it...
if ( hOldImage )
DeleteObject( hOldImage );
return S_OK;
}
HRESULT CImageList::GetFlags(UINT* puFlags)
{
*puFlags = (_flags & ILC_VALID) | (_pimlMirror ? ILC_MIRROR : 0);
return S_OK;
}
// reset the background color of images iFirst through iLast
void CImageList::_ResetBkColor(int iFirst, int iLast, COLORREF clr)
{
HBRUSH hbrT=NULL;
DWORD rop;
if (_hdcMask == NULL)
return;
if (clr == CLR_BLACK || clr == CLR_NONE)
{
rop = ROP_DSna;
}
else if (clr == CLR_WHITE)
{
rop = ROP_DSo;
}
else
{
ASSERT(_hbrBk);
ASSERT(_clrBk == clr);
rop = ROP_PatMask;
hbrT = SelectBrush(_hdcImage, _hbrBk);
}
for ( ;iFirst <= iLast; iFirst++)
{
RECT rc;
GetImageRect(iFirst, &rc);
BitBlt(_hdcImage, rc.left, rc.top, _cx, _cy,
_hdcMask, rc.left, rc.top, rop);
}
if (hbrT)
SelectBrush(_hdcImage, hbrT);
}
//
// GetNearestColor is problematic. If you have a 32-bit HDC with a 16-bit bitmap
// selected into it, and you call GetNearestColor, GDI ignores the
// color-depth of the bitmap and thinks you have a 32-bit bitmap inside,
// so of course it returns the same color unchanged.
//
// So instead, we have to emulate GetNearestColor with SetPixel.
//
COLORREF GetNearestColor32(HDC hdc, COLORREF rgb)
{
COLORREF rgbT;
rgbT = GetPixel(hdc, 0, 0);
rgb = SetPixel(hdc, 0, 0, rgb);
SetPixelV(hdc, 0, 0, rgbT);
return rgb;
}
COLORREF CImageList::_SetBkColor(COLORREF clrBkI)
{
COLORREF clrBkOld;
// Quick out if there is no change in color
if (_clrBk == clrBkI)
{
return _clrBk;
}
// The following code deletes the brush, resets the background color etc.,
// so, protect it with a critical section.
ENTERCRITICAL;
if (_hbrBk)
{
DeleteBrush(_hbrBk);
}
clrBkOld = _clrBk;
_clrBk = clrBkI;
if (_clrBk == CLR_NONE)
{
_hbrBk = (HBRUSH)GetStockObject(BLACK_BRUSH);
_fSolidBk = TRUE;
}
else
{
_hbrBk = CreateSolidBrush(_clrBk);
_fSolidBk = GetNearestColor32(_hdcImage, _clrBk) == _clrBk;
}
if (_cImage > 0)
{
_ResetBkColor(0, _cImage - 1, _clrBk);
}
LEAVECRITICAL;
return clrBkOld;
}
HRESULT CImageList::SetBkColor(COLORREF clrBk, COLORREF* pclr)
{
if (_pimlMirror)
{
_pimlMirror->_SetBkColor(clrBk);
}
*pclr = _SetBkColor(clrBk);
return S_OK;
}
HRESULT CImageList::GetBkColor(COLORREF* pclr)
{
*pclr = _clrBk;
return S_OK;
}
HRESULT CImageList::_ReAllocBitmaps(int cAllocI)
{
HBITMAP hbmImageNew;
HBITMAP hbmMaskNew;
int cxL, cyL;
// HACK: don't shrink unless the caller passes a negative count
if (cAllocI > 0)
{
if (_cAlloc >= cAllocI)
return S_OK;
}
else
cAllocI *= -1;
hbmMaskNew = NULL;
hbmImageNew = NULL;
cxL = _cx * _cStrip;
cyL = _cy * ((cAllocI + _cStrip - 1) / _cStrip);
if (cAllocI > 0)
{
if (_flags & ILC_MASK)
{
hbmMaskNew = CreateMonoBitmap(cxL, cyL);
if (!hbmMaskNew)
{
TraceMsg(TF_ERROR, "ImageList: Can't create bitmap");
return E_OUTOFMEMORY;
}
}
hbmImageNew = _CreateBitmap(cxL, cyL);
if (!hbmImageNew)
{
if (hbmMaskNew)
CImageList::_DeleteBitmap(hbmMaskNew);
TraceMsg(TF_ERROR, "ImageList: Can't create bitmap");
return E_OUTOFMEMORY;
}
}
if (_cImage > 0)
{
int cyCopy = _cy * ((min(cAllocI, _cImage) + _cStrip - 1) / _cStrip);
if (_flags & ILC_MASK)
{
CImageList::SelectDstBitmap(hbmMaskNew);
BitBlt(g_hdcDst, 0, 0, cxL, cyCopy, _hdcMask, 0, 0, SRCCOPY);
}
CImageList::SelectDstBitmap(hbmImageNew);
BitBlt(g_hdcDst, 0, 0, cxL, cyCopy, _hdcImage, 0, 0, SRCCOPY);
}
// select into DC's, delete then assign
CImageList::SelectDstBitmap(NULL);
CImageList::SelectSrcBitmap(NULL);
SelectObject(_hdcImage, hbmImageNew);
if (_hdcMask)
SelectObject(_hdcMask, hbmMaskNew);
if (_hbmMask)
CImageList::_DeleteBitmap(_hbmMask);
if (_hbmImage)
CImageList::_DeleteBitmap(_hbmImage);
_hbmMask = hbmMaskNew;
_hbmImage = hbmImageNew;
_clrBlend = CLR_NONE;
_cAlloc = cAllocI;
return S_OK;
}
HBITMAP CImageList::_CreateMirroredBitmap(HBITMAP hbmOrig)
{
HBITMAP hbm = NULL, hOld_bm1, hOld_bm2;
BITMAP bm;
if (!hbmOrig)
return NULL;
if (!GetObject(hbmOrig, sizeof(BITMAP), &bm))
return NULL;
// Grab the screen DC
HDC hdc = GetDC(NULL);
HDC hdcMem1 = CreateCompatibleDC(hdc);
if (!hdcMem1)
{
ReleaseDC(NULL, hdc);
return NULL;
}
HDC hdcMem2 = CreateCompatibleDC(hdc);
if (!hdcMem2)
{
DeleteDC(hdcMem1);
ReleaseDC(NULL, hdc);
return NULL;
}
hbm = CreateColorBitmap(bm.bmWidth, bm.bmHeight);
if (!hbm)
{
DeleteDC(hdcMem2);
DeleteDC(hdcMem1);
ReleaseDC(NULL, hdc);
return NULL;
}
//
// Flip the bitmap
//
hOld_bm1 = (HBITMAP)SelectObject(hdcMem1, hbmOrig);
hOld_bm2 = (HBITMAP)SelectObject(hdcMem2 , hbm );
SET_DC_RTL_MIRRORED(hdcMem2);
BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem1, 0, 0, SRCCOPY);
SelectObject(hdcMem1, hOld_bm1 );
SelectObject(hdcMem1, hOld_bm2 );
DeleteDC(hdcMem2);
DeleteDC(hdcMem1);
ReleaseDC(NULL, hdc);
return hbm;
}
HRESULT CImageList::SetColorTable(int start, int len, RGBQUAD *prgb, int* pi)
{
// mark it that we have set the color table so that it won't be overwritten
// by the first bitmap add....
_fColorsSet = TRUE;
if (_hdcImage)
{
*pi = SetDIBColorTable(_hdcImage, start, len, prgb);
return S_OK;
}
return E_FAIL;
}
HRESULT CImageList::_Add(HBITMAP hbmImageI, HBITMAP hbmMaskI, int cImageI, int xStart, int yStart, int* pi)
{
int i = -1;
HRESULT hr = S_OK;
ENTERCRITICAL;
//
// if the ImageList is empty clone the color table of the first
// bitmap you add to the imagelist.
//
// the ImageList needs to be a 8bpp image list
// the bitmap being added needs to be a 8bpp DIBSection
//
if (hbmImageI && _cImage == 0 &&
(_flags & ILC_COLORMASK) != ILC_COLORDDB)
{
if (!_fColorsSet)
{
int n;
RGBQUAD argb[256];
CImageList::SelectDstBitmap(hbmImageI);
if (n = GetDIBColorTable(g_hdcDst, 0, 256, argb))
{
int i;
SetColorTable(0, n, argb, &i);
}
CImageList::SelectDstBitmap(NULL);
}
_clrBlend = CLR_NONE;
}
if (_cImage + cImageI + 1 > _cAlloc)
{
hr = _ReAllocBitmaps(_cAlloc + max(cImageI, _cGrow) + 1);
}
if (SUCCEEDED(hr))
{
i = _cImage;
_cImage += cImageI;
if (hbmImageI)
{
hr = _Replace(i, cImageI, hbmImageI, hbmMaskI, xStart, yStart);
if (FAILED(hr))
{
_cImage -= cImageI;
i = -1;
}
}
}
LEAVECRITICAL;
*pi = i;
return hr;
}
HRESULT CImageList::_AddValidated(HBITMAP hbmImage, HBITMAP hbmMask, int* pi)
{
BITMAP bm;
int cImageI;
if (GetObject(hbmImage, sizeof(bm), &bm) != sizeof(bm) || bm.bmWidth < _cx)
{
return E_INVALIDARG;
}
ASSERT(hbmImage);
ASSERT(_cx);
cImageI = bm.bmWidth / _cx; // # of images in source
// serialization handled within Add2.
return _Add(hbmImage, hbmMask, cImageI, 0, 0, pi);
}
HRESULT CImageList::Add(HBITMAP hbmImage, HBITMAP hbmMask, int* pi)
{
if (_pimlMirror)
{
HBITMAP hbmMirroredImage = _CreateMirroredBitmap(hbmImage);
HBITMAP hbmMirroredMask = _CreateMirroredBitmap(hbmMask);
_pimlMirror->_AddValidated(hbmMirroredImage, hbmMirroredMask, pi);
// The caller will take care of deleting hbmImage, hbmMask
// He knows nothing about hbmMirroredImage, hbmMirroredMask
DeleteObject(hbmMirroredImage);
DeleteObject(hbmMirroredMask);
}
return _AddValidated(hbmImage, hbmMask, pi);
}
HRESULT CImageList::_AddMasked(HBITMAP hbmImageI, COLORREF crMask, int* pi)
{
HRESULT hr = S_OK;
COLORREF crbO, crtO;
HBITMAP hbmMaskI;
int cImageI;
int n,i;
BITMAP bm;
DWORD ColorTableSave[256];
DWORD ColorTable[256];
*pi = -1;
if (GetObject(hbmImageI, sizeof(bm), &bm) != sizeof(bm))
return E_INVALIDARG;
hbmMaskI = CreateMonoBitmap(bm.bmWidth, bm.bmHeight);
if (!hbmMaskI)
return E_OUTOFMEMORY;
ENTERCRITICAL;
// copy color to mono, with crMask turning 1 and all others 0, then
// punch all crMask pixels in color to 0
CImageList::SelectSrcBitmap(hbmImageI);
CImageList::SelectDstBitmap(hbmMaskI);
// crMask == CLR_DEFAULT, means use the pixel in the upper left
//
if (crMask == CLR_DEFAULT)
crMask = GetPixel(g_hdcSrc, 0, 0);
// DIBSections dont do color->mono like DDBs do, so we have to do it.
// this only works for <=8bpp DIBSections, this method does not work
// for HiColor DIBSections.
//
// This code is a workaround for a problem in Win32 when a DIB is converted to
// monochrome. The conversion is done according to closeness to white or black
// and without regard to the background color.
//
// Please note, this code has an endianship problems the comparision in the if statement
// below is sensitive to endianship
// ----> if (ColorTableSave[i] == RGB(GetBValue(crMask),GetGValue(crMask),GetRValue(crMask))
//
if (bm.bmBits != NULL && bm.bmBitsPixel <= 8)
{
n = GetDIBColorTable(g_hdcSrc, 0, 256, (RGBQUAD*)ColorTableSave);
for (i=0; i<n; i++)
{
if (ColorTableSave[i] == RGB(GetBValue(crMask),GetGValue(crMask),GetRValue(crMask)))
ColorTable[i] = 0x00FFFFFF;
else
ColorTable[i] = 0x00000000;
}
SetDIBColorTable(g_hdcSrc, 0, n, (RGBQUAD*)ColorTable);
}
crbO = ::SetBkColor(g_hdcSrc, crMask);
BitBlt(g_hdcDst, 0, 0, bm.bmWidth, bm.bmHeight, g_hdcSrc, 0, 0, SRCCOPY);
::SetBkColor(g_hdcSrc, 0x00FFFFFFL);
crtO = SetTextColor(g_hdcSrc, 0x00L);
BitBlt(g_hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight, g_hdcDst, 0, 0, ROP_DSna);
::SetBkColor(g_hdcSrc, crbO);
SetTextColor(g_hdcSrc, crtO);
if (bm.bmBits != NULL && bm.bmBitsPixel <= 8)
{
SetDIBColorTable(g_hdcSrc, 0, n, (RGBQUAD*)ColorTableSave);
}
CImageList::SelectSrcBitmap(NULL);
CImageList::SelectDstBitmap(NULL);
ASSERT(_cx);
cImageI = bm.bmWidth / _cx; // # of images in source
hr = _Add(hbmImageI, hbmMaskI, cImageI, 0, 0, pi);
DeleteObject(hbmMaskI);
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::AddMasked(HBITMAP hbmImage, COLORREF crMask, int* pi)
{
if (_pimlMirror)
{
HBITMAP hbmMirroredImage = CImageList::_CreateMirroredBitmap(hbmImage);
_pimlMirror->_AddMasked(hbmMirroredImage, crMask, pi);
// The caller will take care of deleting hbmImage
// He knows nothing about hbmMirroredImage
DeleteObject(hbmMirroredImage);
}
return _AddMasked(hbmImage, crMask, pi);
}
HRESULT CImageList::_ReplaceValidated(int i, HBITMAP hbmImage, HBITMAP hbmMask)
{
HRESULT hr = E_INVALIDARG;
if (!IsImageListIndex(i))
return hr;
ENTERCRITICAL;
hr = _Replace(i, 1, hbmImage, hbmMask, 0, 0);
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::Replace(int i, HBITMAP hbmImage, HBITMAP hbmMask)
{
if (_pimlMirror)
{
HBITMAP hbmMirroredImage = CImageList::_CreateMirroredBitmap(hbmImage);
if (hbmMirroredImage)
{
HBITMAP hbmMirroredMask = CImageList::_CreateMirroredBitmap(hbmMask);
if (hbmMirroredMask)
{
_pimlMirror->_ReplaceValidated(i, hbmMirroredImage, hbmMirroredMask);
// The caller will take care of deleting hbmImage, hbmMask
// He knows nothing about hbmMirroredImage, hbmMirroredMask
DeleteObject(hbmMirroredMask);
}
DeleteObject(hbmMirroredImage);
}
}
return _ReplaceValidated(i, hbmImage, hbmMask);
}
// replaces images in piml with images from bitmaps
//
// in:
// piml
// i index in image list to start at (replace)
// _cImage count of images in source (hbmImage, hbmMask)
//
HRESULT CImageList::_Replace(int i, int cImageI, HBITMAP hbmImageI, HBITMAP hbmMaskI,
int xStart, int yStart)
{
RECT rcImage;
int x, iImage;
ASSERT(_hbmImage);
CImageList::SelectSrcBitmap(hbmImageI);
if (_hdcMask)
CImageList::SelectDstBitmap(hbmMaskI); // using as just a second source hdc
for (x = xStart, iImage = 0; iImage < cImageI; iImage++, x += _cx)
{
GetImageRect(i + iImage, &rcImage);
if (_hdcMask)
{
BitBlt(_hdcMask, rcImage.left, rcImage.top, _cx, _cy,
g_hdcDst, x, yStart, SRCCOPY);
}
BitBlt(_hdcImage, rcImage.left, rcImage.top, _cx, _cy,
g_hdcSrc, x, yStart, SRCCOPY);
}
_ResetBkColor(i, i + cImageI - 1, _clrBk);
CImageList::SelectSrcBitmap(NULL);
if (_hdcMask)
CImageList::SelectDstBitmap(NULL);
return S_OK;
}
HRESULT CImageList::GetIcon(int i, UINT flags, HICON* phicon)
{
UINT cxImage, cyImage;
HICON hIcon = NULL;
HBITMAP hbmMask, hbmColor;
ICONINFO ii;
HRESULT hr = E_OUTOFMEMORY;
if (!IsImageListIndex(i))
return E_INVALIDARG;
cxImage = _cx;
cyImage = _cy;
hbmColor = CreateColorBitmap(cxImage, cyImage);
if (hbmColor)
{
hbmMask = CreateMonoBitmap(cxImage, cyImage);
if (hbmMask)
{
ENTERCRITICAL;
CImageList::SelectDstBitmap(hbmMask);
PatBlt(g_hdcDst, 0, 0, cxImage, cyImage, WHITENESS);
WimpyDraw(SAFECAST(this, IImageList*), i, g_hdcDst, 0, 0, ILD_MASK | flags);
CImageList::SelectDstBitmap(hbmColor);
PatBlt(g_hdcDst, 0, 0, cxImage, cyImage, BLACKNESS);
WimpyDraw(SAFECAST(this, IImageList*), i, g_hdcDst, 0, 0, ILD_TRANSPARENT | flags);
CImageList::SelectDstBitmap(NULL);
LEAVECRITICAL;
ii.fIcon = TRUE;
ii.xHotspot = 0;
ii.yHotspot = 0;
ii.hbmColor = hbmColor;
ii.hbmMask = hbmMask;
hIcon = CreateIconIndirect(&ii);
DeleteObject(hbmMask);
hr = S_OK;
}
DeleteObject(hbmColor);
}
*phicon = hIcon;
return hr;
}
// this removes an image from the bitmap but doing all the
// proper shuffling.
//
// this does the following:
// if the bitmap being removed is not the last in the row
// it blts the images to the right of the one being deleted
// to the location of the one being deleted (covering it up)
//
// for all rows until the last row (where the last image is)
// move the image from the next row up to the last position
// in the current row. then slide over all images in that
// row to the left.
void CImageList::_RemoveItemBitmap(int i)
{
RECT rc1;
RECT rc2;
int dx, y;
int x;
GetImageRect(i, &rc1);
GetImageRect(_cImage - 1, &rc2);
// the row with the image being deleted, do we need to shuffle?
// amount of stuff to shuffle
dx = _cStrip * _cx - rc1.right;
if (dx)
{
// yes, shuffle things left
BitBlt(_hdcImage, rc1.left, rc1.top, dx, _cy, _hdcImage, rc1.right, rc1.top, SRCCOPY);
if (_hdcMask)
BitBlt(_hdcMask, rc1.left, rc1.top, dx, _cy, _hdcMask, rc1.right, rc1.top, SRCCOPY);
}
y = rc1.top; // top of row we are working on
x = _cx * (_cStrip - 1); // x coord of last bitmaps in each row
while (y < rc2.top)
{
// copy first from row below to last image position on this row
BitBlt(_hdcImage, x, y,
_cx, _cy, _hdcImage, 0, y + _cy, SRCCOPY);
if (_hdcMask)
BitBlt(_hdcMask, x, y,
_cx, _cy, _hdcMask, 0, y + _cy, SRCCOPY);
y += _cy; // jump to row to slide left
if (y <= rc2.top)
{
// slide the rest over to the left
BitBlt(_hdcImage, 0, y, x, _cy,
_hdcImage, _cx, y, SRCCOPY);
// slide the rest over to the left
if (_hdcMask)
{
BitBlt(_hdcMask, 0, y, x, _cy,
_hdcMask, _cx, y, SRCCOPY);
}
}
}
}
//
// ImageList_Remove - remove a image from the image list
//
// i - image to remove, or -1 to remove all images.
//
// NOTE all images are "shifted" down, ie all image index's
// above the one deleted are changed by 1
//
HRESULT CImageList::_Remove(int i)
{
HRESULT hr = S_OK;
ENTERCRITICAL;
if (i == -1)
{
_cImage = 0;
_cAlloc = 0;
for (i=0; i<NUM_OVERLAY_IMAGES; i++)
_aOverlayIndexes[i] = -1;
_ReAllocBitmaps(-_cGrow);
}
else
{
if (!IsImageListIndex(i))
{
hr = E_INVALIDARG;
}
else
{
_RemoveItemBitmap(i);
--_cImage;
if (_cAlloc - (_cImage + 1) > _cGrow)
_ReAllocBitmaps(_cAlloc - _cGrow);
}
}
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::Remove(int i)
{
if (_pimlMirror)
{
_pimlMirror->_Remove(i);
}
return _Remove(i);
}
BOOL CImageList::_IsSameObject(IUnknown* punk)
{
BOOL fRet = FALSE;
IUnknown* me;
IUnknown* them;
if (punk == NULL)
return FALSE;
QueryInterface(IID_PPV_ARG(IUnknown, &me));
if (SUCCEEDED(punk->QueryInterface(IID_PPV_ARG(IUnknown, &them))))
{
fRet = (me == them);
them->Release();
}
me->Release();
return fRet;
}
//
// ImageList_Copy - move an image in the image list
//
HRESULT CImageList::Copy(int iDst, IUnknown* punkSrc, int iSrc, UINT uFlags)
{
RECT rcDst, rcSrc, rcTmp;
CImageList* pimlTmp;
CImageList* pimlSrc;
HRESULT hr = E_FAIL;
if (uFlags & ~ILCF_VALID)
{
// don't let hosers pass bogus flags
RIPMSG(0, "ImageList_Copy: Invalid flags %08x", uFlags);
return E_INVALIDARG;
}
// Not supported
if (!_IsSameObject(punkSrc))
{
return E_INVALIDARG;
}
// We only support copies on ourself... Weird
pimlSrc = this;
ENTERCRITICAL;
pimlTmp = (uFlags & ILCF_SWAP)? pimlSrc : NULL;
if (SUCCEEDED(GetImageRect(iDst, &rcDst)) &&
SUCCEEDED(pimlSrc->GetImageRect(iSrc, &rcSrc)) &&
(!pimlTmp || pimlTmp->GetSpareImageRect(&rcTmp)))
{
int cx = pimlSrc->_cx;
int cy = pimlSrc->_cy;
//
// iff we are swapping we need to save the destination image
//
if (pimlTmp)
{
BitBlt(pimlTmp->_hdcImage, rcTmp.left, rcTmp.top, cx, cy,
_hdcImage, rcDst.left, rcDst.top, SRCCOPY);
if (pimlTmp->_hdcMask)
{
BitBlt(pimlTmp->_hdcMask, rcTmp.left, rcTmp.top, cx, cy,
_hdcMask, rcDst.left, rcDst.top, SRCCOPY);
}
}
//
// copy the image
//
BitBlt(_hdcImage, rcDst.left, rcDst.top, cx, cy,
pimlSrc->_hdcImage, rcSrc.left, rcSrc.top, SRCCOPY);
if (pimlSrc->_hdcMask)
{
BitBlt(_hdcMask, rcDst.left, rcDst.top, cx, cy,
pimlSrc->_hdcMask, rcSrc.left, rcSrc.top, SRCCOPY);
}
//
// iff we are swapping we need to copy the saved image too
//
if (pimlTmp)
{
BitBlt(pimlSrc->_hdcImage, rcSrc.left, rcSrc.top, cx, cy,
pimlTmp->_hdcImage, rcTmp.left, rcTmp.top, SRCCOPY);
if (pimlSrc->_hdcMask)
{
BitBlt(pimlSrc->_hdcMask, rcSrc.left, rcSrc.top, cx, cy,
pimlTmp->_hdcMask, rcTmp.left, rcTmp.top, SRCCOPY);
}
}
hr = S_OK;
}
LEAVECRITICAL;
return hr;
}
// IS_WHITE_PIXEL, BITS_ALL_WHITE are macros for looking at monochrome bits
// to determine if certain pixels are white or black. Note that within a byte
// the most significant bit represents the left most pixel.
//
#define IS_WHITE_PIXEL(pj,x,y,cScan) \
((pj)[((y) * (cScan)) + ((x) >> 3)] & (1 << (7 - ((x) & 7))))
#define BITS_ALL_WHITE(b) (b == 0xff)
// Set the image iImage as one of the special images for us in combine
// drawing. to draw with these specify the index of this
// in:
// piml imagelist
// iImage image index to use in speical drawing
// iOverlay index of special image, values 1-4
HRESULT CImageList::_SetOverlayImage(int iImage, int iOverlay)
{
RECT rcImage;
RECT rc;
int x,y;
int cxI,cyI;
ULONG cScan;
ULONG cBits;
HBITMAP hbmMem;
HRESULT hr = S_FALSE;
iOverlay--; // make zero based
if (_hdcMask == NULL ||
iImage < 0 || iImage >= _cImage ||
iOverlay < 0 || iOverlay >= NUM_OVERLAY_IMAGES)
{
return E_INVALIDARG;
}
if (_aOverlayIndexes[iOverlay] == (SHORT)iImage)
return S_OK;
_aOverlayIndexes[iOverlay] = (SHORT)iImage;
//
// find minimal rect that bounds the image
//
GetImageRect(iImage, &rcImage);
SetRect(&rc, 0x7FFF, 0x7FFF, 0, 0);
//
// now compute the black box. This is much faster than GetPixel but
// could still be improved by doing more operations looking at entire
// bytes. We basicaly get the bits in monochrome form and then use
// a private GetPixel. This decreased time on NT from 50 milliseconds to
// 1 millisecond for a 32X32 image.
//
cxI = rcImage.right - rcImage.left;
cyI = rcImage.bottom - rcImage.top;
// compute the number of bytes in a scan. Note that they are WORD alligned
cScan = (((cxI + (sizeof(SHORT)*8 - 1)) / 16) * 2);
cBits = cScan * cyI;
hbmMem = CreateBitmap(cxI,cyI,1,1,NULL);
if (hbmMem)
{
HDC hdcMem = CreateCompatibleDC(_hdcMask);
if (hdcMem)
{
PBYTE pBits = (PBYTE)LocalAlloc(LMEM_FIXED,cBits);
PBYTE pScan;
if (pBits)
{
SelectObject(hdcMem,hbmMem);
//
// map black pixels to 0, white to 1
//
BitBlt(hdcMem, 0, 0, cxI, cyI, _hdcMask, rcImage.left, rcImage.top, SRCCOPY);
//
// fill in the bits
//
GetBitmapBits(hbmMem,cBits,pBits);
//
// for each scan, find the bounds
//
for (y = 0, pScan = pBits; y < cyI; ++y,pScan += cScan)
{
int i;
//
// first go byte by byte through white space
//
for (x = 0, i = 0; (i < (cxI >> 3)) && BITS_ALL_WHITE(pScan[i]); ++i)
{
x += 8;
}
//
// now finish the scan bit by bit
//
for (; x < cxI; ++x)
{
if (!IS_WHITE_PIXEL(pBits, x,y,cScan))
{
rc.left = min(rc.left, x);
rc.right = max(rc.right, x+1);
rc.top = min(rc.top, y);
rc.bottom = max(rc.bottom, y+1);
// now that we found one, quickly jump to the known right edge
if ((x >= rc.left) && (x < rc.right))
{
x = rc.right-1;
}
}
}
}
if (rc.left == 0x7FFF)
{
rc.left = 0;
ASSERT(0);
}
if (rc.top == 0x7FFF)
{
rc.top = 0;
ASSERT(0);
}
_aOverlayDX[iOverlay] = (SHORT)(rc.right - rc.left);
_aOverlayDY[iOverlay] = (SHORT)(rc.bottom- rc.top);
_aOverlayX[iOverlay] = (SHORT)(rc.left);
_aOverlayY[iOverlay] = (SHORT)(rc.top);
_aOverlayF[iOverlay] = 0;
//
// see if the image is non-rectanglar
//
// if the overlay does not require a mask to be drawn set the
// ILD_IMAGE flag, this causes ImageList_DrawEx to just
// draw the image, ignoring the mask.
//
for (y=rc.top; y<rc.bottom; y++)
{
for (x=rc.left; x<rc.right; x++)
{
if (IS_WHITE_PIXEL(pBits, x, y,cScan))
break;
}
if (x != rc.right)
break;
}
if (y == rc.bottom)
_aOverlayF[iOverlay] = ILD_IMAGE;
LocalFree(pBits);
hr = S_OK;
}
DeleteDC(hdcMem);
}
DeleteObject(hbmMem);
}
return hr;
}
HRESULT CImageList::SetOverlayImage(int iImage, int iOverlay)
{
if (_pimlMirror)
{
_pimlMirror->_SetOverlayImage(iImage, iOverlay);
}
return _SetOverlayImage(iImage, iOverlay);
}
/*
** BlendCT
**
*/
void BlendCT(DWORD *pdw, DWORD rgb, UINT n, UINT count)
{
UINT i;
for (i=0; i<count; i++)
{
pdw[i] = RGB(
((UINT)GetRValue(pdw[i]) * (100-n) + (UINT)GetBValue(rgb) * (n)) / 100,
((UINT)GetGValue(pdw[i]) * (100-n) + (UINT)GetGValue(rgb) * (n)) / 100,
((UINT)GetBValue(pdw[i]) * (100-n) + (UINT)GetRValue(rgb) * (n)) / 100);
}
}
/*
** ImageList_BlendDither
**
** copy the source to the dest blended with the given color.
**
** simulate a blend with a dither pattern.
**
*/
void ImageList_BlendDither(HDC hdcDst, int xDst, int yDst, CImageList* piml, int x, int y, int cx, int cy, COLORREF rgb, UINT fStyle)
{
HBRUSH hbr;
HBRUSH hbrT;
HBRUSH hbrMask;
HBRUSH hbrFree = NULL; // free if non-null
ASSERT(GetTextColor(hdcDst) == CLR_BLACK);
ASSERT(::GetBkColor(hdcDst) == CLR_WHITE);
// choose a dither/blend brush
switch (fStyle & ILD_BLENDMASK)
{
default:
case ILD_BLEND50:
hbrMask = g_hbrMonoDither;
break;
}
// create (or use a existing) brush for the blend color
switch (rgb)
{
case CLR_DEFAULT:
hbr = g_hbrHighlight;
break;
case CLR_NONE:
hbr = piml->_hbrBk;
break;
default:
if (rgb == piml->_clrBk)
hbr = piml->_hbrBk;
else
hbr = hbrFree = CreateSolidBrush(rgb);
break;
}
hbrT = (HBRUSH)SelectObject(hdcDst, hbr);
PatBlt(hdcDst, xDst, yDst, cx, cy, PATCOPY);
SelectObject(hdcDst, hbrT);
hbrT = (HBRUSH)SelectObject(hdcDst, hbrMask);
BitBlt(hdcDst, xDst, yDst, cx, cy, piml->_hdcImage, x, y, ROP_MaskPat);
SelectObject(hdcDst, hbrT);
if (hbrFree)
DeleteBrush(hbrFree);
}
/*
** ImageList_BlendCT
**
** copy the source to the dest blended with the given color.
**
*/
void ImageList_BlendCT(HDC hdcDst, int xDst, int yDst, CImageList* piml, int x, int y, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
GetObject(piml->_hbmImage, sizeof(bm), &bm);
if (rgb == CLR_DEFAULT)
rgb = GetSysColor(COLOR_HIGHLIGHT);
ASSERT(rgb != CLR_NONE);
//
// get the DIB color table and blend it, only do this when the
// blend color changes
//
if (piml->_clrBlend != rgb)
{
int n,cnt;
piml->_clrBlend = rgb;
GetObject(piml->_hbmImage, sizeof(piml->dib), &piml->dib.bm);
cnt = GetDIBColorTable(piml->_hdcImage, 0, 256, (LPRGBQUAD)&piml->dib.ct);
if ((fStyle & ILD_BLENDMASK) == ILD_BLEND50)
n = 50;
else
n = 25;
BlendCT(piml->dib.ct, rgb, n, cnt);
}
//
// draw the image with a different color table
//
StretchDIBits(hdcDst, xDst, yDst, cx, cy,
x, piml->dib.bi.biHeight-(y+cy), cx, cy,
bm.bmBits, (LPBITMAPINFO)&piml->dib.bi, DIB_RGB_COLORS, SRCCOPY);
}
/*
** RGB555 macros
*/
#define RGB555(r,g,b) (((((r)>>3)&0x1F)<<10) | ((((g)>>3)&0x1F)<<5) | (((b)>>3)&0x1F))
#define R_555(w) (int)(((w) >> 7) & 0xF8)
#define G_555(w) (int)(((w) >> 2) & 0xF8)
#define B_555(w) (int)(((w) << 3) & 0xF8)
/*
** DIBXY16() macro - compute a pointer to a pixel given a (x,y)
*/
#define DIBXY16(bm,x,y) \
(WORD*)((BYTE*)bm.bmBits + (bm.bmHeight-1-(y))*bm.bmWidthBytes + (x)*2)
/*
** Blend16
**
** dest.r = source.r * (1-a) + (rgb.r * a)
*/
void Blend16(
WORD* dst, // destination RGB 555 bits
int dst_pitch, // width in bytes of a dest scanline
WORD* src, // source RGB 555 bits
int src_pitch, // width in bytes of a source scanline
int cx, // width in pixels
int cy, // height in pixels
DWORD rgb, // color to blend
int a) // alpha value
{
int i,x,y,r,g,b,sr,sg,sb;
// subtract off width from pitch
dst_pitch = dst_pitch - cx*2;
src_pitch = src_pitch - cx*2;
if (rgb == CLR_NONE)
{
// blending with the destination, we ignore the alpha and always
// do 50% (this is what the old dither mask code did)
for (y=0; y<cy; y++)
{
for (x=0; x<cx; x++)
{
*dst++ = ((*dst & 0x7BDE) >> 1) + ((*src++ & 0x7BDE) >> 1);
}
dst = (WORD *)((BYTE *)dst + dst_pitch);
src = (WORD *)((BYTE *)src + src_pitch);
}
}
else
{
// blending with a solid color
// pre multiply source (constant) rgb by alpha
sr = GetRValue(rgb) * a;
sg = GetGValue(rgb) * a;
sb = GetBValue(rgb) * a;
// compute inverse alpha for inner loop
a = 256 - a;
// special case a 50% blend, to avoid a multiply
if (a == 128)
{
sr = RGB555(sr>>8,sg>>8,sb>>8);
for (y=0; y<cy; y++)
{
for (x=0; x<cx; x++)
{
i = *src++;
i = sr + ((i & 0x7BDE) >> 1);
*dst++ = (WORD) i;
}
dst = (WORD *)((BYTE *)dst + dst_pitch);
src = (WORD *)((BYTE *)src + src_pitch);
}
}
else
{
for (y=0; y<cy; y++)
{
for (x=0; x<cx; x++)
{
i = *src++;
r = (R_555(i) * a + sr) >> 8;
g = (G_555(i) * a + sg) >> 8;
b = (B_555(i) * a + sb) >> 8;
*dst++ = RGB555(r,g,b);
}
dst = (WORD *)((BYTE *)dst + dst_pitch);
src = (WORD *)((BYTE *)src + src_pitch);
}
}
}
}
/*
** ImageList_Blend16
**
** copy the source to the dest blended with the given color.
**
** source is assumed to be a 16 bit (RGB 555) bottom-up DIBSection
** (this is the only kind of DIBSection we create)
*/
void ImageList_Blend16(HDC hdcDst, int xDst, int yDst, CImageList* piml, int x, int y, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
RECT rc;
int a;
// get bitmap info for source bitmap
GetObject(piml->_hbmImage, sizeof(bm), &bm);
ASSERT(bm.bmBitsPixel==16);
// get blend RGB
if (rgb == CLR_DEFAULT)
rgb = GetSysColor(COLOR_HIGHLIGHT);
// get blend factor as a fraction of 256
// only 50% or 25% is currently used.
if ((fStyle & ILD_BLENDMASK) == ILD_BLEND50)
a = 128;
else
a = 64;
// blend the image with the specified color and place at end of image list
piml->GetSpareImageRect(&rc);
// if blending with the destination, copy the dest to our work buffer
if (rgb == CLR_NONE)
BitBlt(piml->_hdcImage, rc.left, rc.top, cx, cy, hdcDst, xDst, yDst, SRCCOPY);
// sometimes the user can change the icon size (via plustab) between 32x32 and 48x48,
// thus the values we have might be bigger than the actual bitmap. To prevent us from
// crashing in Blend16 when this happens we do some bounds checks here
if (rc.left + cx <= bm.bmWidth &&
rc.top + cy <= bm.bmHeight &&
x + cx <= bm.bmWidth &&
y + cy <= bm.bmHeight)
{
Blend16(DIBXY16(bm,rc.left,rc.top), -(int)bm.bmWidthBytes,
DIBXY16(bm,x,y), -(int)bm.bmWidthBytes, cx, cy, rgb, a);
}
// blt blended image to the dest DC
BitBlt(hdcDst, xDst, yDst, cx, cy, piml->_hdcImage, rc.left, rc.top, SRCCOPY);
}
/*
** ImageList_Blend
**
** copy the source to the dest blended with the given color.
** top level function to decide what blend function to call
*/
void ImageList_Blend(HDC hdcDst, int xDst, int yDst, CImageList* piml, int x, int y, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
int bpp = GetDeviceCaps(hdcDst, BITSPIXEL);
GetObject(piml->_hbmImage, sizeof(bm), &bm);
//
// if _hbmImage is a DIBSection and we are on a HiColor device
// the do a "real" blend
//
if (bm.bmBits && bm.bmBitsPixel <= 8 && (bpp > 8 || bm.bmBitsPixel==8))
{
// blend from a 4bit or 8bit DIB
ImageList_BlendCT(hdcDst, xDst, yDst, piml, x, y, cx, cy, rgb, fStyle);
}
else if (bm.bmBits && bm.bmBitsPixel == 16 && bpp > 8)
{
// blend from a 16bit 555 DIB
ImageList_Blend16(hdcDst, xDst, yDst, piml, x, y, cx, cy, rgb, fStyle);
}
else
{
// simulate a blend with a dither pattern.
ImageList_BlendDither(hdcDst, xDst, yDst, piml, x, y, cx, cy, rgb, fStyle);
}
}
BOOL BlurBitmap(ULONG* plBitmapBits, SIZE size, COLORREF crFill)
{
USHORT aus0[64];
USHORT aus1[64];
USHORT aus2[64];
USHORT aus3[64];
USHORT aus4[64];
PUSHORT apus[5];
PULONG pulIn = (PULONG) plBitmapBits;
PULONG pulTmp;
USHORT *pus, *pusEnd;
ULONG j;
PULONG pulOut = (PULONG) (plBitmapBits + 2 * size.cx) + 2;
ULONG ulNumScans = size.cy - 4;
ULONG ulNext = 0;
if (size.cx > 64)
{
apus[0] = (PUSHORT) LocalAlloc(LPTR, size.cx * sizeof(USHORT) * 5);
if (apus[0])
{
apus[1] = apus[0] + size.cx;
apus[2] = apus[1] + size.cx;
apus[3] = apus[2] + size.cx;
apus[4] = apus[3] + size.cx;
}
}
else
{
apus[0] = aus0;
apus[1] = aus1;
apus[2] = aus2;
apus[3] = aus3;
apus[4] = aus4;
}
if (apus[0] == NULL)
{
return FALSE;
}
// Fill up the scanline memory with 3x1 boxcar sums for the
// first three scanlines.
for (j = 0; j < 5; j++)
{
// Compute the scanline sum. Note that output is two pixels
// smaller than the input.
pus = apus[j];
pusEnd = pus + (size.cx - 4);
pulTmp = pulIn;
while (pus < pusEnd)
{
*pus = (USHORT) ((pulTmp[0] >> 24) + (pulTmp[1] >> 24) + (pulTmp[2] >> 24) + (pulTmp[3] >> 24) + (pulTmp[4] >> 24));
pus += 1;
pulTmp += 1;
}
// Next scanline.
pulIn = (PULONG)(pulIn + size.cx);
}
// Compute the average (3x3 boxcar convolution) for each output
// scanline.
while (ulNumScans--)
{
// Setup output pointers.
PULONG pulAvg = pulOut;
PULONG pulAvgEnd = pulAvg + (size.cx - 4);
// Setup pointers to run the scanline 3x1 sums.
PUSHORT pusTmp[5];
pusTmp[0] = apus[0];
pusTmp[1] = apus[1];
pusTmp[2] = apus[2];
pusTmp[3] = apus[4];
pusTmp[4] = apus[3];
// Compute the average scanline.
while (pulAvg < pulAvgEnd)
{
USHORT usSum;
BYTE alpha;
// Unroll this...
// Strictly speaking we should divide the sum by 9, but since
// this is just for looks, we can approximate as a divide by 8
// minus a divide by 64 (will produce in a slightly too small
// result).
//
// 1/9 = 0.111111111... in decimal
// = 0.000111000111... in binary
// 1/25
//
// Approximations:
//
// 1/8 - 1/64 = 0.109375
// 1/8 - 1/64 + 1/512 = 0.111328125
// 1/8 - 1/64 + 1/512 - 1/4096 = 0.111083984
usSum = *pusTmp[0] + *pusTmp[1] + *pusTmp[2] + *pusTmp[3] + *pusTmp[4];
//*pulAvg = (usSum / 9) << 24;
//*pulAvg = ((usSum >> 3) - (usSum >> 6)) << 24;
alpha = usSum/25; //(usSum >> 5) - (usSum >> 4);
((RGBQUAD*)pulAvg)->rgbReserved = (BYTE)alpha;
((RGBQUAD*)pulAvg)->rgbRed = ((GetRValue(crFill) * alpha) + 128) / 255;
((RGBQUAD*)pulAvg)->rgbGreen = ((GetGValue(crFill) * alpha) + 128) / 255;
((RGBQUAD*)pulAvg)->rgbBlue = ((GetBValue(crFill) * alpha) + 128) / 255;
pulAvg += 1;
pusTmp[0] += 1;
pusTmp[1] += 1;
pusTmp[2] += 1;
pusTmp[3] += 1;
pusTmp[4] += 1;
}
// Next output scanline.
pulOut = (PULONG) (pulOut + size.cx);
// Need to compute 3x1 boxcar sum for the next scanline.
if (ulNumScans)
{
// Compute the scanline sum. Note that output is two pixels
// smaller than the input.
pus = apus[ulNext];
pusEnd = pus + (size.cx - 4);
pulTmp = pulIn;
while (pus < pusEnd)
{
*pus = (USHORT) ((pulTmp[0] >> 24) + (pulTmp[1] >> 24) + (pulTmp[2] >> 24) + (pulTmp[3] >> 24) + (pulTmp[4] >> 24));
pus += 1;
pulTmp += 1;
}
// Next scanline.
pulIn = (PULONG)(pulIn + size.cx);
// Next scanline summation buffer.
ulNext++;
if (ulNext >= 5)
ulNext = 0;
}
}
// Cleanup temporary memory.
if (apus[0] != aus0)
{
LocalFree(apus[0]);
}
return TRUE;
}
/*
** Draw the image, either selected, transparent, or just a blt
**
** For the selected case, a new highlighted image is generated
** and used for the final output.
**
** piml ImageList to get image from.
** i the image to get.
** hdc DC to draw image to
** x,y where to draw image (upper left corner)
** cx,cy size of image to draw (0,0 means normal size)
**
** rgbBk background color
** CLR_NONE - draw tansparent
** CLR_DEFAULT - use bk color of the image list
**
** rgbFg foreground (blend) color (only used if ILD_BLENDMASK set)
** CLR_NONE - blend with destination (transparent)
** CLR_DEFAULT - use windows hilight color
**
** if blend
** if blend with color
** copy image, and blend it with color.
** else if blend with dst
** copy image, copy mask, blend mask 50%
##
** if ILD_TRANSPARENT
** draw transparent (two blts) special case black or white background
** unless we copied the mask or image
** else if (rgbBk == piml->rgbBk && _fSolidBk)
** just blt it
** else if mask
** copy image
** replace bk color
** blt it.
** else
** just blt it
*/
extern "C" void SaturateDC(void* pvBitmapBits, int Amount, RECT* prcColumn, RECT* prcImage);
HRESULT CImageList::Draw(IMAGELISTDRAWPARAMS* pimldp)
{
RECT rcImage;
RECT rc;
HBRUSH hbrT;
BOOL fImage;
HDC hdcMaskI;
HDC hdcImageI;
int xMask, yMask;
int xImage, yImage;
IMAGELISTDRAWPARAMS imldp = {0};
if (pimldp->cbSize != sizeof(IMAGELISTDRAWPARAMS))
{
if (pimldp->cbSize == IMAGELISTDRAWPARAMS_V3_SIZE)
{
memcpy(&imldp, pimldp, IMAGELISTDRAWPARAMS_V3_SIZE);
imldp.cbSize = sizeof(IMAGELISTDRAWPARAMS);
pimldp = &imldp;
}
else
return E_INVALIDARG;
}
if (!IsImageListIndex(pimldp->i))
return E_INVALIDARG;
//
// If we need to use the mirrored imagelist, then let's set it.
//
if (_pimlMirror &&
(IS_DC_RTL_MIRRORED(pimldp->hdcDst)))
{
return _pimlMirror->Draw(pimldp);
}
ENTERCRITICAL;
GetImageRect(pimldp->i, &rcImage);
rcImage.left += pimldp->xBitmap;
rcImage.top += pimldp->yBitmap;
if (pimldp->rgbBk == CLR_DEFAULT)
pimldp->rgbBk = _clrBk;
if (pimldp->rgbBk == CLR_NONE)
pimldp->fStyle |= ILD_TRANSPARENT;
if (pimldp->cx == 0)
pimldp->cx = rcImage.right - rcImage.left;
if (pimldp->cy == 0)
pimldp->cy = rcImage.bottom - rcImage.top;
again:
hdcMaskI = _hdcMask;
xMask = rcImage.left;
yMask = rcImage.top;
hdcImageI = _hdcImage;
xImage = rcImage.left;
yImage = rcImage.top;
if (pimldp->fStyle & ILD_BLENDMASK)
{
// make a copy of the image, because we will have to modify it
hdcImageI = ImageList_GetWorkDC(pimldp->hdcDst, pimldp->cx, pimldp->cy);
xImage = 0;
yImage = 0;
//
// blend with the destination
// by "oring" the mask with a 50% dither mask
//
if (pimldp->rgbFg == CLR_NONE && hdcMaskI)
{
if ((_flags & ILC_COLORMASK) == ILC_COLOR16 &&
!(pimldp->fStyle & ILD_MASK))
{
// copy dest to our work buffer
BitBlt(hdcImageI, 0, 0, pimldp->cx, pimldp->cy, pimldp->hdcDst, pimldp->x, pimldp->y, SRCCOPY);
// blend source into our work buffer
ImageList_Blend16(hdcImageI, 0, 0,
this, rcImage.left, rcImage.top, pimldp->cx, pimldp->cy, pimldp->rgbFg, pimldp->fStyle);
}
else
{
GetSpareImageRect(&rc);
xMask = rc.left;
yMask = rc.top;
// copy the source image
BitBlt(hdcImageI, 0, 0, pimldp->cx, pimldp->cy,
_hdcImage, rcImage.left, rcImage.top, SRCCOPY);
// make a dithered copy of the mask
hbrT = (HBRUSH)SelectObject(hdcMaskI, g_hbrMonoDither);
BitBlt(hdcMaskI, rc.left, rc.top, pimldp->cx, pimldp->cy,
_hdcMask, rcImage.left, rcImage.top, ROP_PSo);
SelectObject(hdcMaskI, hbrT);
}
pimldp->fStyle |= ILD_TRANSPARENT;
}
else
{
// blend source into our work buffer
ImageList_Blend(hdcImageI, 0, 0,
this, rcImage.left, rcImage.top, pimldp->cx, pimldp->cy, pimldp->rgbFg, pimldp->fStyle);
}
}
// is the source image from the image list (not hdcWork)
fImage = hdcImageI == _hdcImage;
if ((pimldp->fStyle & ILD_MASK) && hdcMaskI)
{
//
// ILD_MASK means draw the mask only
//
DWORD dwRop;
ASSERT(GetTextColor(pimldp->hdcDst) == CLR_BLACK);
ASSERT(::GetBkColor(pimldp->hdcDst) == CLR_WHITE);
if (pimldp->fStyle & ILD_ROP)
dwRop = pimldp->dwRop;
else if (pimldp->fStyle & ILD_TRANSPARENT)
dwRop = SRCAND;
else
dwRop = SRCCOPY;
BitBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcMaskI, xMask, yMask, dwRop);
}
else if (pimldp->fStyle & ILD_IMAGE)
{
COLORREF clrBk = ::GetBkColor(hdcImageI);
DWORD dwRop;
if (pimldp->rgbBk != CLR_DEFAULT)
{
::SetBkColor(hdcImageI, pimldp->rgbBk);
}
if (pimldp->fStyle & ILD_ROP)
dwRop = pimldp->dwRop;
else
dwRop = SRCCOPY;
BitBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, dwRop);
::SetBkColor(hdcImageI, clrBk);
}
else if ((pimldp->fStyle & ILD_TRANSPARENT) && hdcMaskI)
{
MaskBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, _hbmMask, xMask, yMask, 0xCCAA0000);
}
else if (fImage && pimldp->rgbBk == _clrBk && _fSolidBk)
{
BitBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, SRCCOPY);
}
else if (hdcMaskI)
{
if (fImage &&
((pimldp->rgbBk == _clrBk &&
!_fSolidBk) ||
GetNearestColor32(hdcImageI, pimldp->rgbBk) != pimldp->rgbBk))
{
// make a copy of the image, because we will have to modify it
hdcImageI = ImageList_GetWorkDC(pimldp->hdcDst, pimldp->cx, pimldp->cy);
xImage = 0;
yImage = 0;
fImage = FALSE;
BitBlt(hdcImageI, 0, 0, pimldp->cx, pimldp->cy, _hdcImage, rcImage.left, rcImage.top, SRCCOPY);
}
SetBrushOrgEx(hdcImageI, xImage-pimldp->x, yImage-pimldp->y, NULL);
hbrT = SelectBrush(hdcImageI, CreateSolidBrush(pimldp->rgbBk));
BitBlt(hdcImageI, xImage, yImage, pimldp->cx, pimldp->cy, hdcMaskI, xMask, yMask, ROP_PatMask);
DeleteObject(SelectBrush(hdcImageI, hbrT));
SetBrushOrgEx(hdcImageI, 0, 0, NULL);
BitBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, SRCCOPY);
if (fImage)
_ResetBkColor(pimldp->i, pimldp->i, _clrBk);
}
else
{
BitBlt(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, SRCCOPY);
}
//
// now deal with a overlay image, use the minimal bounding rect (and flags)
// we computed in ImageList_SetOverlayImage()
//
if (pimldp->fStyle & ILD_OVERLAYMASK)
{
int n = OVERLAYMASKTOINDEX(pimldp->fStyle);
if (n < NUM_OVERLAY_IMAGES)
{
pimldp->i = _aOverlayIndexes[n];
GetImageRect(pimldp->i, &rcImage);
pimldp->cx = _aOverlayDX[n];
pimldp->cy = _aOverlayDY[n];
pimldp->x += _aOverlayX[n];
pimldp->y += _aOverlayY[n];
rcImage.left += _aOverlayX[n]+pimldp->xBitmap;
rcImage.top += _aOverlayY[n]+pimldp->yBitmap;
pimldp->fStyle &= ILD_MASK;
pimldp->fStyle |= ILD_TRANSPARENT;
pimldp->fStyle |= _aOverlayF[n];
if (pimldp->cx > 0 && pimldp->cy > 0)
goto again; // ImageList_DrawEx(piml, i, hdcDst, x, y, 0, 0, CLR_DEFAULT, CLR_NONE, fStyle);
}
}
if (!fImage)
{
ImageList_ReleaseWorkDC(hdcImageI);
}
LEAVECRITICAL;
return S_OK;
}
HRESULT CImageList::GetImageInfo(int i, IMAGEINFO * pImageInfo)
{
RIPMSG(pImageInfo != NULL, "ImageList_GetImageInfo: Invalid NULL pointer");
RIPMSG(IsImageListIndex(i), "ImageList_GetImageInfo: Invalid image index %d", i);
if (!pImageInfo || !IsImageListIndex(i))
return E_POINTER;
pImageInfo->hbmImage = _hbmImage;
pImageInfo->hbmMask = _hbmMask;
return GetImageRect(i, &pImageInfo->rcImage);
}
//
// Parameter:
// i -- -1 to add
//
HRESULT CImageList::_ReplaceIcon(int i, HICON hIcon, int* pi)
{
HICON hIconT = hIcon;
RECT rc;
HRESULT hr = S_OK;
*pi = -1;
// be win95 compatible
if (i < -1)
return E_INVALIDARG;
//
// re-size the icon (iff needed) by calling CopyImage
//
hIcon = (HICON)CopyImage(hIconT, IMAGE_ICON, _cx, _cy,LR_COPYFROMRESOURCE | LR_COPYRETURNORG);
if (hIcon == NULL)
return E_OUTOFMEMORY;
//
// alocate a slot for the icon
//
if (i == -1)
hr = _Add(NULL,NULL,1,0,0,&i);
if (i == -1)
return hr;
//
// now draw it into the image bitmaps
//
hr = GetImageRect(i, &rc);
if (FAILED(hr))
return hr;
FillRect(_hdcImage, &rc, _hbrBk);
DrawIconEx(_hdcImage, rc.left, rc.top, hIcon, 0, 0, 0, NULL, DI_NORMAL);
if (_hdcMask)
DrawIconEx(_hdcMask, rc.left, rc.top, hIcon, 0, 0, 0, NULL, DI_MASK);
//
// if we had user size a new icon, delete it.
//
if (hIcon != hIconT)
DestroyIcon(hIcon);
*pi = i;
return S_OK;
}
HRESULT CImageList::ReplaceIcon(int i, HICON hIcon, int* pi)
{
// Let's add it first to the mirrored image list, if one exists
if (_pimlMirror)
{
HICON hIconT = CopyIcon(hIcon);
if (hIconT)
{
MirrorIcon(&hIconT, NULL);
_pimlMirror->_ReplaceIcon(i, hIconT, pi);
DestroyIcon(hIconT);
}
}
return _ReplaceIcon(i, hIcon,pi);
}
// make a dithered copy of the source image in the destination image.
// allows placing of the final image in the destination.
HRESULT CImageList::CopyDitherImage(WORD iDst, int xDst, int yDst, IUnknown* punkSrc, int iSrc, UINT fStyle)
{
IImageList* pux;
HRESULT hr = punkSrc->QueryInterface(IID_PPV_ARG(IImageList, &pux));
if (FAILED(hr))
return hr;
RECT rc;
int x, y;
GetImageRect(iDst, &rc);
// coordinates in destination image list
x = xDst + rc.left;
y = yDst + rc.top;
fStyle &= ILD_OVERLAYMASK;
WimpyDrawEx(pux, iSrc, _hdcImage, x, y, 0, 0, CLR_DEFAULT, CLR_NONE, ILD_IMAGE | fStyle);
//
// dont dither the mask on a hicolor device, we will draw the image
// with blending while dragging.
//
if (_hdcMask && GetScreenDepth() > 8)
{
WimpyDrawEx(pux, iSrc, _hdcMask, x, y, 0, 0, CLR_NONE, CLR_NONE, ILD_MASK | fStyle);
}
else if (_hdcMask)
{
WimpyDrawEx(pux, iSrc, _hdcMask, x, y, 0, 0, CLR_NONE, CLR_NONE, ILD_BLEND50|ILD_MASK | fStyle);
}
_ResetBkColor(iDst, iDst+1, _clrBk);
pux->Release();
return hr;
}
//
// ImageList_CopyBitmap
//
// Worker function for ImageList_Duplicate.
//
// Given a bitmap and an hdc, creates and returns a copy of the passed in bitmap.
//
HBITMAP CImageList::_CopyBitmap(HBITMAP hbm, HDC hdc)
{
ASSERT(hbm);
BITMAP bm;
HBITMAP hbmCopy = NULL;
if (GetObject(hbm, sizeof(bm), &bm) == sizeof(bm))
{
ENTERCRITICAL;
if (hbmCopy = CreateCompatibleBitmap(hdc, bm.bmWidth, bm.bmHeight))
{
CImageList::SelectDstBitmap(hbmCopy);
BitBlt(g_hdcDst, 0, 0, bm.bmWidth, bm.bmHeight,
hdc, 0, 0, SRCCOPY);
CImageList::SelectDstBitmap(NULL);
}
LEAVECRITICAL;
}
return hbmCopy;
}
HRESULT CImageList::Clone(REFIID riid, void** ppv)
{
HBITMAP hbmImageI;
HBITMAP hbmMaskI = NULL;
HRESULT hr = S_OK;
CImageList* pimlCopy = NULL;
*ppv = NULL;
ENTERCRITICAL;
hbmImageI = _CopyBitmap(_hbmImage, _hdcImage);
if (!hbmImageI)
hr = E_OUTOFMEMORY;
if (SUCCEEDED(hr))
{
if (_hdcMask)
{
hbmMaskI = _CopyBitmap(_hbmMask, _hdcMask);
if (!hbmMaskI)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
pimlCopy = CImageList::Create(_cx, _cy, _flags, 0, _cGrow);
if (pimlCopy)
{
// Slam in our bitmap copies and delete the old ones
SelectObject(pimlCopy->_hdcImage, hbmImageI);
CImageList::_DeleteBitmap(pimlCopy->_hbmImage);
if (pimlCopy->_hdcMask)
{
SelectObject(pimlCopy->_hdcMask, hbmMaskI);
CImageList::_DeleteBitmap(pimlCopy->_hbmMask);
}
pimlCopy->_hbmImage = hbmImageI;
pimlCopy->_hbmMask = hbmMaskI;
// Make sure other info is correct
pimlCopy->_cImage = _cImage;
pimlCopy->_cAlloc = _cAlloc;
pimlCopy->_cStrip = _cStrip;
pimlCopy->_clrBlend = _clrBlend;
pimlCopy->_clrBk = _clrBk;
// Delete the old brush and create the correct one
if (pimlCopy->_hbrBk)
DeleteObject(pimlCopy->_hbrBk);
if (pimlCopy->_clrBk == CLR_NONE)
{
pimlCopy->_hbrBk = (HBRUSH)GetStockObject(BLACK_BRUSH);
pimlCopy->_fSolidBk = TRUE;
}
else
{
pimlCopy->_hbrBk = CreateSolidBrush(pimlCopy->_clrBk);
pimlCopy->_fSolidBk = GetNearestColor32(pimlCopy->_hdcImage, pimlCopy->_clrBk) == pimlCopy->_clrBk;
}
}
}
LEAVECRITICAL;
}
if (FAILED(hr))
{
if (hbmImageI)
CImageList::_DeleteBitmap(hbmImageI);
if (hbmMaskI)
CImageList::_DeleteBitmap(hbmMaskI);
}
if (pimlCopy)
{
hr = pimlCopy->QueryInterface(riid, ppv);
pimlCopy->Release();
}
return hr;
}
void CImageList::_Merge(IImageList* pux, int i, int dx, int dy)
{
if (_hdcMask)
{
IImageListPriv* puxp;
if (SUCCEEDED(pux->QueryInterface(IID_PPV_ARG(IImageListPriv, &puxp))))
{
HDC hdcMaskI;
if (SUCCEEDED(puxp->GetPrivateGoo(NULL, NULL, NULL, &hdcMaskI)) && hdcMaskI)
{
RECT rcMerge;
int cxI, cyI;
pux->GetIconSize(&cxI, &cyI);
pux->GetImageRect(i, &rcMerge);
BitBlt(_hdcMask, dx, dy, cxI, cyI,
hdcMaskI, rcMerge.left, rcMerge.top, SRCAND);
}
puxp->Release();
}
}
WimpyDraw(pux, i, _hdcImage, dx, dy, ILD_TRANSPARENT);
}
HRESULT CImageList::_Merge(int i1, IUnknown* punk, int i2, int dx, int dy, CImageList** ppiml)
{
CImageList* pimlNew = NULL;
IImageListPriv* puxp;
HRESULT hr = punk->QueryInterface(IID_PPV_ARG(IImageListPriv, &puxp));
if (SUCCEEDED(hr))
{
IImageList* pux;
hr = punk->QueryInterface(IID_PPV_ARG(IImageList, &pux));
if (SUCCEEDED(hr))
{
RECT rcNew;
RECT rc1;
RECT rc2;
int cxI, cyI;
int c1, c2;
UINT wFlags;
UINT uSrcFlags;
puxp->GetFlags(&uSrcFlags);
pux->GetIconSize(&cxI, &cyI);
ENTERCRITICAL;
SetRect(&rc1, 0, 0, _cx, _cy);
SetRect(&rc2, dx, dy, cxI + dx, cyI + dy);
UnionRect(&rcNew, &rc1, &rc2);
cxI = RECTWIDTH(rcNew);
cyI = RECTHEIGHT(rcNew);
//
// If one of images are shared, create a shared image.
//
wFlags = (_flags | uSrcFlags) & ~ILC_COLORMASK;
c1 = (_flags & ILC_COLORMASK);
c2 = (uSrcFlags & ILC_COLORMASK);
if (c1 == 16 && c2 == ILC_COLORDDB)
{
c2 = 16;
}
wFlags |= max(c1,c2);
pimlNew = CImageList::Create(cxI, cyI, ILC_MASK|wFlags, 1, 0);
if (pimlNew)
{
pimlNew->_cImage++;
if (pimlNew->_hdcMask)
PatBlt(pimlNew->_hdcMask, 0, 0, cxI, cyI, WHITENESS);
PatBlt(pimlNew->_hdcImage, 0, 0, cxI, cyI, BLACKNESS);
pimlNew->_Merge(SAFECAST(this, IImageList*), i1, rc1.left - rcNew.left, rc1.top - rcNew.top);
pimlNew->_Merge(pux, i2, rc2.left - rcNew.left, rc2.top - rcNew.top);
}
else
hr = E_OUTOFMEMORY;
LEAVECRITICAL;
pux->Release();
}
puxp->Release();
}
*ppiml = pimlNew;
return hr;
}
HRESULT CImageList::Merge(int i1, IUnknown* punk, int i2, int dx, int dy, REFIID riid, void** ppv)
{
CImageList* piml;
HRESULT hr = _Merge(i1, punk, i2, dx, dy, &piml);
if (piml)
{
hr = piml->QueryInterface(riid, ppv);
piml->Release();
}
return hr;
}
HRESULT CImageList::_Read(ILFILEHEADER *pilfh, HBITMAP hbmImageI, HBITMAP hbmMaskI)
{
int i;
HRESULT hr = Initialize(pilfh->cx, pilfh->cy, pilfh->flags, 1, pilfh->cGrow);
if (SUCCEEDED(hr))
{
// select into DC's before deleting existing bitmaps
// patch in the bitmaps we loaded
SelectObject(_hdcImage, hbmImageI);
DeleteObject(_hbmImage);
_hbmImage = hbmImageI;
_clrBlend = CLR_NONE;
// Same for the mask (if necessary)
if (_hdcMask)
{
SelectObject(_hdcMask, hbmMaskI);
DeleteObject(_hbmMask);
_hbmMask = hbmMaskI;
}
_cAlloc = pilfh->cAlloc;
//
// Call ImageList_SetBkColor with 0 in piml->_cImage to avoid
// calling expensive ImageList__ResetBkColor
//
_cImage = 0;
_SetBkColor(pilfh->clrBk);
_cImage = pilfh->cImage;
for (i=0; i<NUM_OVERLAY_IMAGES; i++)
_SetOverlayImage(pilfh->aOverlayIndexes[i], i+1);
}
else
{
DeleteObject(hbmImageI);
DeleteObject(hbmMaskI);
}
return hr;
}
STDMETHODIMP CImageList::Load(IStream *pstm)
{
if (pstm == NULL)
return E_INVALIDARG;
HRESULT hr = ImageList_InitGlobals();
if (SUCCEEDED(hr))
{
ENTERCRITICAL;
ILFILEHEADER ilfh = {0};
HBITMAP hbmImageI;
HBITMAP hbmMaskI;
HBITMAP hbmMirroredImage;
HBITMAP hbmMirroredMask;
BOOL bMirroredIL = FALSE;
// fist read in the old struct
hr = pstm->Read(&ilfh, ILFILEHEADER_SIZE0, NULL);
if (SUCCEEDED(hr) && (ilfh.magic != IMAGELIST_MAGIC ||
ilfh.version != IMAGELIST_VER0))
{
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
hbmMaskI = NULL;
hbmMirroredMask = NULL;
hr = Stream_ReadBitmap(pstm, (ilfh.flags&ILC_COLORMASK), &hbmImageI);
if (SUCCEEDED(hr))
{
if (ilfh.flags & ILC_MASK)
{
hr = Stream_ReadBitmap(pstm, FALSE, &hbmMaskI);
if (FAILED(hr))
{
DeleteBitmap(hbmImageI);
}
}
if (SUCCEEDED(hr))
{
// Read in the rest of the struct, new overlay stuff.
if (ilfh.flags & ILC_MOREOVERLAY)
{
hr = pstm->Read((LPBYTE)&ilfh + ILFILEHEADER_SIZE0, sizeof(ilfh) - ILFILEHEADER_SIZE0, NULL);
if (SUCCEEDED(hr))
ilfh.flags &= ~ILC_MOREOVERLAY;
}
}
if (SUCCEEDED(hr))
{
if (ilfh.flags & ILC_MIRROR)
{
ilfh.flags &= ~ILC_MIRROR;
bMirroredIL = TRUE;
hr = Stream_ReadBitmap(pstm, (ilfh.flags&ILC_COLORMASK), &hbmMirroredImage);
if (SUCCEEDED(hr) && ilfh.flags & ILC_MASK)
{
hr = Stream_ReadBitmap(pstm, FALSE, &hbmMirroredMask);
if (FAILED(hr))
{
DeleteBitmap(hbmMirroredImage);
}
}
}
if (SUCCEEDED(hr))
{
hr = _Read(&ilfh, hbmImageI, hbmMaskI);
if(SUCCEEDED(hr) && bMirroredIL)
{
_pimlMirror = new CImageList();
if (_pimlMirror)
{
_pimlMirror->_Read(&ilfh, hbmMirroredImage, hbmMirroredMask);
}
else
{
hr = E_OUTOFMEMORY;
// if we failed to read mirrored imagelist, let's force fail.
DeleteBitmap(hbmImageI);
if (hbmMaskI)
DeleteBitmap(hbmMaskI);
}
}
}
}
}
}
LEAVECRITICAL;
}
return hr;
}
BOOL CImageList::_MoreOverlaysUsed()
{
int i;
for (i = NUM_OVERLAY_IMAGES_0; i < NUM_OVERLAY_IMAGES; i++)
if (_aOverlayIndexes[i] != -1)
return TRUE;
return FALSE;
}
STDMETHODIMP CImageList::Save(IStream *pstm, int fClearDirty)
{
int i;
ILFILEHEADER ilfh;
HRESULT hr = S_OK;
if (pstm == NULL)
return E_INVALIDARG;
ilfh.magic = IMAGELIST_MAGIC;
ilfh.version = IMAGELIST_VER0;
ilfh.cImage = (SHORT) _cImage;
ilfh.cAlloc = (SHORT) _cAlloc;
ilfh.cGrow = (SHORT) _cGrow;
ilfh.cx = (SHORT) _cx;
ilfh.cy = (SHORT) _cy;
ilfh.clrBk = _clrBk;
ilfh.flags = (SHORT) _flags;
//
// Store mirror flags
//
if (_pimlMirror)
ilfh.flags |= ILC_MIRROR;
if (_MoreOverlaysUsed())
ilfh.flags |= ILC_MOREOVERLAY;
for (i=0; i < NUM_OVERLAY_IMAGES; i++)
ilfh.aOverlayIndexes[i] = (SHORT) _aOverlayIndexes[i];
hr = pstm->Write(&ilfh, ILFILEHEADER_SIZE0, NULL);
hr = Stream_WriteBitmap(pstm, _hbmImage, 0);
if (SUCCEEDED(hr))
{
if (_hdcMask)
{
hr = Stream_WriteBitmap(pstm, _hbmMask, 1);
}
if (SUCCEEDED(hr))
{
if (ilfh.flags & ILC_MOREOVERLAY)
hr = pstm->Write((LPBYTE)&ilfh + ILFILEHEADER_SIZE0, sizeof(ilfh) - ILFILEHEADER_SIZE0, NULL);
if (_pimlMirror)
{
// Don't call pidlMirror's Save, because of the header difference.
hr = Stream_WriteBitmap(pstm, _pimlMirror->_hbmImage, 0);
if (_pimlMirror->_hdcMask)
{
hr = Stream_WriteBitmap(pstm, _pimlMirror->_hbmMask, 1);
}
}
}
}
return hr;
}
HRESULT Stream_WriteBitmap(LPSTREAM pstm, HBITMAP hbm, int cBitsPerPixel)
{
BOOL fSuccess;
BITMAP bm;
int cx, cy;
BITMAPFILEHEADER bf;
BITMAPINFOHEADER bi;
BITMAPINFOHEADER * pbi;
BYTE * pbuf;
HDC hdc;
UINT cbColorTable;
int cLines;
int cLinesWritten;
HRESULT hr = E_INVALIDARG;
ASSERT(pstm);
fSuccess = FALSE;
hdc = NULL;
pbi = NULL;
pbuf = NULL;
if (GetObject(hbm, sizeof(bm), &bm) != sizeof(bm))
goto Error;
hdc = GetDC(HWND_DESKTOP);
cx = bm.bmWidth;
cy = bm.bmHeight;
if (cBitsPerPixel == 0)
cBitsPerPixel = bm.bmPlanes * bm.bmBitsPixel;
if (cBitsPerPixel <= 8)
cbColorTable = (1 << cBitsPerPixel) * sizeof(RGBQUAD);
else
cbColorTable = 0;
bi.biSize = sizeof(bi);
bi.biWidth = cx;
bi.biHeight = cy;
bi.biPlanes = 1;
bi.biBitCount = (WORD) cBitsPerPixel;
bi.biCompression = BI_RGB; // RLE not supported!
bi.biSizeImage = 0;
bi.biXPelsPerMeter = 0;
bi.biYPelsPerMeter = 0;
bi.biClrUsed = 0;
bi.biClrImportant = 0;
bf.bfType = BFTYPE_BITMAP;
bf.bfOffBits = sizeof(BITMAPFILEHEADER) +
sizeof(BITMAPINFOHEADER) + cbColorTable;
bf.bfSize = bf.bfOffBits + bi.biSizeImage;
bf.bfReserved1 = 0;
bf.bfReserved2 = 0;
hr = E_OUTOFMEMORY;
pbi = (BITMAPINFOHEADER *)LocalAlloc(LPTR, sizeof(BITMAPINFOHEADER) + cbColorTable);
if (!pbi)
goto Error;
// Get the color table and fill in the rest of *pbi
//
*pbi = bi;
if (GetDIBits(hdc, hbm, 0, cy, NULL, (BITMAPINFO *)pbi, DIB_RGB_COLORS) == 0)
goto Error;
if (cBitsPerPixel == 1)
{
((DWORD *)(pbi+1))[0] = CLR_BLACK;
((DWORD *)(pbi+1))[1] = CLR_WHITE;
}
pbi->biSizeImage = WIDTHBYTES(cx, cBitsPerPixel) * cy;
hr = pstm->Write(&bf, sizeof(bf), NULL);
if (FAILED(hr))
goto Error;
hr = pstm->Write(pbi, sizeof(bi) + cbColorTable, NULL);
if (FAILED(hr))
goto Error;
//
// if we have a DIBSection just write the bits out
//
if (bm.bmBits != NULL)
{
hr = pstm->Write(bm.bmBits, pbi->biSizeImage, NULL);
if (FAILED(hr))
goto Error;
goto Done;
}
// Calculate number of horizontal lines that'll fit into our buffer...
//
cLines = CBDIBBUF / WIDTHBYTES(cx, cBitsPerPixel);
hr = E_OUTOFMEMORY;
pbuf = (PBYTE)LocalAlloc(LPTR, CBDIBBUF);
if (!pbuf)
goto Error;
for (cLinesWritten = 0; cLinesWritten < cy; cLinesWritten += cLines)
{
hr = E_OUTOFMEMORY;
if (cLines > cy - cLinesWritten)
cLines = cy - cLinesWritten;
if (GetDIBits(hdc, hbm, cLinesWritten, cLines,
pbuf, (BITMAPINFO *)pbi, DIB_RGB_COLORS) == 0)
goto Error;
hr = pstm->Write(pbuf, WIDTHBYTES(cx, cBitsPerPixel) * cLines, NULL);
if (FAILED(hr))
goto Error;
}
Done:
hr = S_OK;
Error:
if (hdc)
ReleaseDC(HWND_DESKTOP, hdc);
if (pbi)
LocalFree((HLOCAL)pbi);
if (pbuf)
LocalFree((HLOCAL)pbuf);
return hr;
}
HRESULT Stream_ReadBitmap(LPSTREAM pstm, BOOL fDS, HBITMAP* phbmp)
{
HDC hdc;
HBITMAP hbm;
BITMAPFILEHEADER bf;
BITMAPINFOHEADER bi;
BITMAPINFOHEADER * pbi;
BYTE * pbuf=NULL;
int cBitsPerPixel;
UINT cbColorTable;
int cx, cy;
int cLines, cLinesRead;
ASSERT(pstm);
hdc = NULL;
hbm = NULL;
pbi = NULL;
HRESULT hr = pstm->Read(&bf, sizeof(bf), NULL);
if (FAILED(hr))
goto Error;
hr = E_INVALIDARG;
if (bf.bfType != BFTYPE_BITMAP)
goto Error;
hr = pstm->Read(&bi, sizeof(bi), NULL);
if (FAILED(hr))
goto Error;
hr = E_INVALIDARG;
if (bi.biSize != sizeof(bi))
goto Error;
cx = (int)bi.biWidth;
cy = (int)bi.biHeight;
cBitsPerPixel = (int)bi.biBitCount * (int)bi.biPlanes;
if (cBitsPerPixel <= 8)
cbColorTable = (1 << cBitsPerPixel) * sizeof(RGBQUAD);
else
cbColorTable = 0;
hr = E_OUTOFMEMORY;
pbi = (BITMAPINFOHEADER*)LocalAlloc(LPTR, sizeof(bi) + cbColorTable);
if (!pbi)
goto Error;
*pbi = bi;
pbi->biSizeImage = WIDTHBYTES(cx, cBitsPerPixel) * cy;
if (cbColorTable)
{
hr = pstm->Read(pbi + 1, cbColorTable, NULL);
if (FAILED(hr))
goto Error;
}
hdc = GetDC(HWND_DESKTOP);
//
// see if we can make a DIBSection
//
if ((cBitsPerPixel > 1) && (fDS != ILC_COLORDDB))
{
//
// create DIBSection and read the bits directly into it!
//
hr = E_OUTOFMEMORY;
hbm = CreateDIBSection(hdc, (LPBITMAPINFO)pbi, DIB_RGB_COLORS, (void**)&pbuf, NULL, 0);
if (hbm == NULL)
goto Error;
hr = pstm->Read(pbuf, pbi->biSizeImage, NULL);
if (FAILED(hr))
goto Error;
pbuf = NULL; // dont free this
goto Done;
}
//
// cant make a DIBSection make a mono or color bitmap.
//
else if (cBitsPerPixel > 1)
hbm = CreateColorBitmap(cx, cy);
else
hbm = CreateMonoBitmap(cx, cy);
hr = E_OUTOFMEMORY;
if (!hbm)
return NULL;
// Calculate number of horizontal lines that'll fit into our buffer...
//
cLines = CBDIBBUF / WIDTHBYTES(cx, cBitsPerPixel);
hr = E_OUTOFMEMORY;
pbuf = (PBYTE)LocalAlloc(LPTR, CBDIBBUF);
if (!pbuf)
goto Error;
for (cLinesRead = 0; cLinesRead < cy; cLinesRead += cLines)
{
if (cLines > cy - cLinesRead)
cLines = cy - cLinesRead;
hr = pstm->Read(pbuf, WIDTHBYTES(cx, cBitsPerPixel) * cLines, NULL);
if (FAILED(hr))
goto Error;
hr = E_OUTOFMEMORY;
if (!SetDIBits(hdc, hbm, cLinesRead, cLines,
pbuf, (BITMAPINFO *)pbi, DIB_RGB_COLORS))
{
goto Error;
}
}
Done:
hr = S_OK;
Error:
if (hdc)
ReleaseDC(HWND_DESKTOP, hdc);
if (pbi)
LocalFree((HLOCAL)pbi);
if (pbuf)
LocalFree((HLOCAL)pbuf);
if (FAILED(hr) && hbm)
{
DeleteBitmap(hbm);
hbm = NULL;
}
*phbmp = hbm;
return hr;
}
HRESULT CImageList::GetImageRect(int i, RECT * prcImage)
{
int x, y;
ASSERT(prcImage);
if (!prcImage || !IsImageListIndex(i))
return E_FAIL;
x = _cx * (i % _cStrip);
y = _cy * (i / _cStrip);
SetRect(prcImage, x, y, x + _cx, y + _cy);
return S_OK;
}
BOOL CImageList::GetSpareImageRect(RECT * prcImage)
{
BOOL fRet;
// special hacking to use the one scratch image at tail of list :)
_cImage++;
fRet = (S_OK == GetImageRect(_cImage-1, prcImage));
_cImage--;
return fRet;
}
// Drag Drop
// copy an image from one imagelist to another at x,y within iDst in pimlDst.
// pimlDst's image size should be larger than pimlSrc
void CImageList::_CopyOneImage(int iDst, int x, int y, CImageList* piml, int iSrc)
{
RECT rcSrc, rcDst;
piml->GetImageRect(iSrc, &rcSrc);
GetImageRect(iDst, &rcDst);
if (piml->_hdcMask && _hdcMask)
{
BitBlt(_hdcMask, rcDst.left + x, rcDst.top + y, piml->_cx, piml->_cy,
piml->_hdcMask, rcSrc.left, rcSrc.top, SRCCOPY);
}
BitBlt(_hdcImage, rcDst.left + x, rcDst.top + y, piml->_cx, piml->_cy,
piml->_hdcImage, rcSrc.left, rcSrc.top, SRCCOPY);
}
//
// Cached bitmaps that we use during drag&drop. We re-use those bitmaps
// across multiple drag session as far as the image size is the same.
//
struct DRAGRESTOREBMP
{
int BitsPixel;
HBITMAP hbmOffScreen;
HBITMAP hbmRestore;
SIZE sizeRestore;
}
g_drb =
{
0, NULL, NULL, {-1,-1}
};
BOOL CImageList::CreateDragBitmaps()
{
HDC hdc;
hdc = GetDC(NULL);
if (_cx != g_drb.sizeRestore.cx ||
_cy != g_drb.sizeRestore.cy ||
GetDeviceCaps(hdc, BITSPIXEL) != g_drb.BitsPixel)
{
ImageList_DeleteDragBitmaps();
g_drb.BitsPixel = GetDeviceCaps(hdc, BITSPIXEL);
g_drb.sizeRestore.cx = _cx;
g_drb.sizeRestore.cy = _cy;
g_drb.hbmRestore = CreateColorBitmap(g_drb.sizeRestore.cx, g_drb.sizeRestore.cy);
g_drb.hbmOffScreen = CreateColorBitmap(g_drb.sizeRestore.cx * 2 - 1, g_drb.sizeRestore.cy * 2 - 1);
if (!g_drb.hbmRestore || !g_drb.hbmOffScreen)
{
ImageList_DeleteDragBitmaps();
ReleaseDC(NULL, hdc);
return FALSE;
}
}
ReleaseDC(NULL, hdc);
return TRUE;
}
void ImageList_DeleteDragBitmaps()
{
if (g_drb.hbmRestore)
{
CImageList::_DeleteBitmap(g_drb.hbmRestore);
g_drb.hbmRestore = NULL;
}
if (g_drb.hbmOffScreen)
{
CImageList::_DeleteBitmap(g_drb.hbmOffScreen);
g_drb.hbmOffScreen = NULL;
}
g_drb.sizeRestore.cx = -1;
g_drb.sizeRestore.cy = -1;
}
//
// Drag context. We don't reuse none of them across two different
// drag sessions. I'm planning to allocate it for each session
// to minimize critical sections.
//
struct DRAGCONTEXT
{
CImageList* pimlDrag; // Image to be drawin while dragging
IImageList* puxCursor; // Overlap cursor image
CImageList* pimlDither; // Dithered image
IImageList* puxDragImage; // The context of the drag.
int iCursor; // Image index of the cursor
POINT ptDrag; // current drag position (hwndDC coords)
POINT ptDragHotspot;
POINT ptCursor;
BOOL fDragShow;
BOOL fHiColor;
HWND hwndDC;
}
g_dctx =
{
(CImageList*)NULL, (CImageList*)NULL, (CImageList*)NULL, (IImageList*)NULL,
-1,
{0, 0}, {0, 0}, {0, 0},
FALSE,
FALSE,
(HWND)NULL
};
HDC ImageList_GetDragDC()
{
HDC hdc = GetDCEx(g_dctx.hwndDC, NULL, DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
//
// If hdc is mirrored then mirror the 2 globals DCs.
//
if (IS_DC_RTL_MIRRORED(hdc))
{
SET_DC_RTL_MIRRORED(g_hdcDst);
SET_DC_RTL_MIRRORED(g_hdcSrc);
}
return hdc;
}
void ImageList_ReleaseDragDC(HDC hdc)
{
//
// If the hdc is mirrored then unmirror the 2 globals DCs.
//
if (IS_DC_RTL_MIRRORED(hdc))
{
SET_DC_LAYOUT(g_hdcDst, 0);
SET_DC_LAYOUT(g_hdcSrc, 0);
}
ReleaseDC(g_dctx.hwndDC, hdc);
}
//
// x, y -- Specifies the initial cursor position in the coords of hwndLock,
// which is specified by the previous ImageList_StartDrag call.
//
HRESULT CImageList::DragMove(int x, int y)
{
int IncOne = 0;
ENTERCRITICAL;
if (g_dctx.fDragShow)
{
RECT rcOld, rcNew, rcBounds;
int dx, dy;
dx = x - g_dctx.ptDrag.x;
dy = y - g_dctx.ptDrag.y;
rcOld.left = g_dctx.ptDrag.x - g_dctx.ptDragHotspot.x;
rcOld.top = g_dctx.ptDrag.y - g_dctx.ptDragHotspot.y;
rcOld.right = rcOld.left + g_drb.sizeRestore.cx;
rcOld.bottom = rcOld.top + g_drb.sizeRestore.cy;
rcNew = rcOld;
OffsetRect(&rcNew, dx, dy);
if (!IntersectRect(&rcBounds, &rcOld, &rcNew))
{
//
// No intersection. Simply hide the old one and show the new one.
//
ImageList_DragShowNolock(FALSE);
g_dctx.ptDrag.x = x;
g_dctx.ptDrag.y = y;
ImageList_DragShowNolock(TRUE);
}
else
{
//
// Some intersection.
//
HDC hdcScreen;
int cx, cy;
UnionRect(&rcBounds, &rcOld, &rcNew);
hdcScreen = ImageList_GetDragDC();
if (hdcScreen)
{
//
// If the DC is RTL mirrored, then restrict the
// screen bitmap not to go beyond the screen since
// we will end up copying the wrong bits from the
// hdcScreen to the hbmOffScreen when the DC is mirrored.
// GDI will skip invalid screen coord from the screen into
// the destination bitmap. This will result in copying un-init
// bits back to the screen (since the screen is mirrored).
// [samera]
//
if (IS_DC_RTL_MIRRORED(hdcScreen))
{
RECT rcWindow;
GetWindowRect(g_dctx.hwndDC, &rcWindow);
rcWindow.right -= rcWindow.left;
if (rcBounds.right > rcWindow.right)
{
rcBounds.right = rcWindow.right;
}
if (rcBounds.left < 0)
{
rcBounds.left = 0;
}
}
cx = rcBounds.right - rcBounds.left;
cy = rcBounds.bottom - rcBounds.top;
//
// Copy the union rect from the screen to hbmOffScreen.
//
CImageList::SelectDstBitmap(g_drb.hbmOffScreen);
BitBlt(g_hdcDst, 0, 0, cx, cy,
hdcScreen, rcBounds.left, rcBounds.top, SRCCOPY);
//
// Hide the cursor on the hbmOffScreen by copying hbmRestore.
//
CImageList::SelectSrcBitmap(g_drb.hbmRestore);
BitBlt(g_hdcDst,
rcOld.left - rcBounds.left,
rcOld.top - rcBounds.top,
g_drb.sizeRestore.cx, g_drb.sizeRestore.cy,
g_hdcSrc, 0, 0, SRCCOPY);
//
// Copy the original screen bits to hbmRestore
//
BitBlt(g_hdcSrc, 0, 0, g_drb.sizeRestore.cx, g_drb.sizeRestore.cy,
g_hdcDst,
rcNew.left - rcBounds.left,
rcNew.top - rcBounds.top,
SRCCOPY);
//
// Draw the image on hbmOffScreen
//
if (g_dctx.fHiColor)
{
WimpyDrawEx(SAFECAST(g_dctx.pimlDrag, IImageList*), 0, g_hdcDst,
rcNew.left - rcBounds.left + IncOne,
rcNew.top - rcBounds.top, 0, 0, CLR_NONE, CLR_NONE, ILD_BLEND50);
if (g_dctx.puxCursor)
{
WimpyDraw(g_dctx.puxCursor, g_dctx.iCursor, g_hdcDst,
rcNew.left - rcBounds.left + g_dctx.ptCursor.x + IncOne,
rcNew.top - rcBounds.top + g_dctx.ptCursor.y,
ILD_NORMAL);
}
}
else
{
WimpyDraw(SAFECAST(g_dctx.pimlDrag, IImageList*), 0, g_hdcDst,
rcNew.left - rcBounds.left + IncOne,
rcNew.top - rcBounds.top, ILD_NORMAL);
}
//
// Copy the hbmOffScreen back to the screen.
//
BitBlt(hdcScreen, rcBounds.left, rcBounds.top, cx, cy,
g_hdcDst, 0, 0, SRCCOPY);
ImageList_ReleaseDragDC(hdcScreen);
}
g_dctx.ptDrag.x = x;
g_dctx.ptDrag.y = y;
}
}
LEAVECRITICAL;
return S_OK;
}
HRESULT CImageList::BeginDrag(int iTrack, int dxHotspot, int dyHotspot)
{
HRESULT hr = E_ACCESSDENIED;
ENTERCRITICAL;
if (!g_dctx.pimlDrag)
{
UINT newflags;
int cxI = 0, cyI = 0;
g_dctx.fDragShow = FALSE;
g_dctx.hwndDC = NULL;
g_dctx.fHiColor = GetScreenDepth() > 8;
newflags = _flags|ILC_SHARED;
if (g_dctx.fHiColor)
{
newflags = (newflags & ~ILC_COLORMASK) | ILC_COLOR16;
}
g_dctx.pimlDither = CImageList::Create(_cx, _cy, newflags, 1, 0);
if (g_dctx.pimlDither)
{
g_dctx.pimlDither->_cImage++;
g_dctx.ptDragHotspot.x = dxHotspot;
g_dctx.ptDragHotspot.y = dyHotspot;
g_dctx.pimlDither->_CopyOneImage(0, 0, 0, this, iTrack);
hr = ImageList_SetDragImage(NULL, 0, dxHotspot, dyHotspot);
}
}
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::DragEnter(HWND hwndLock, int x, int y)
{
HRESULT hr = S_FALSE;
hwndLock = hwndLock ? hwndLock : GetDesktopWindow();
ENTERCRITICAL;
if (!g_dctx.hwndDC)
{
g_dctx.hwndDC = hwndLock;
g_dctx.ptDrag.x = x;
g_dctx.ptDrag.y = y;
ImageList_DragShowNolock(TRUE);
hr = S_OK;
}
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::DragLeave(HWND hwndLock)
{
HRESULT hr = S_FALSE;
hwndLock = hwndLock ? hwndLock : GetDesktopWindow();
ENTERCRITICAL;
if (g_dctx.hwndDC == hwndLock)
{
ImageList_DragShowNolock(FALSE);
g_dctx.hwndDC = NULL;
hr = S_OK;
}
LEAVECRITICAL;
return hr;
}
HRESULT CImageList::DragShowNolock(BOOL fShow)
{
HDC hdcScreen;
int x, y;
int IncOne = 0;
x = g_dctx.ptDrag.x - g_dctx.ptDragHotspot.x;
y = g_dctx.ptDrag.y - g_dctx.ptDragHotspot.y;
if (!g_dctx.pimlDrag)
return E_ACCESSDENIED;
//
// REVIEW: Why this block is in the critical section? We are supposed
// to have only one dragging at a time, aren't we?
//
ENTERCRITICAL;
if (fShow && !g_dctx.fDragShow)
{
hdcScreen = ImageList_GetDragDC();
CImageList::SelectSrcBitmap(g_drb.hbmRestore);
BitBlt(g_hdcSrc, 0, 0, g_drb.sizeRestore.cx, g_drb.sizeRestore.cy,
hdcScreen, x, y, SRCCOPY);
if (g_dctx.fHiColor)
{
WimpyDrawEx(SAFECAST(g_dctx.pimlDrag, IImageList*), 0, hdcScreen, x + IncOne, y, 0, 0, CLR_NONE, CLR_NONE, ILD_BLEND50);
if (g_dctx.puxCursor)
{
WimpyDraw(g_dctx.puxCursor, g_dctx.iCursor, hdcScreen,
x + g_dctx.ptCursor.x + IncOne, y + g_dctx.ptCursor.y, ILD_NORMAL);
}
}
else
{
WimpyDraw(SAFECAST(g_dctx.pimlDrag, IImageList*), 0, hdcScreen, x + IncOne, y, ILD_NORMAL);
}
ImageList_ReleaseDragDC(hdcScreen);
}
else if (!fShow && g_dctx.fDragShow)
{
hdcScreen = ImageList_GetDragDC();
CImageList::SelectSrcBitmap(g_drb.hbmRestore);
BitBlt(hdcScreen, x, y, g_drb.sizeRestore.cx, g_drb.sizeRestore.cy,
g_hdcSrc, 0, 0, SRCCOPY);
ImageList_ReleaseDragDC(hdcScreen);
}
g_dctx.fDragShow = fShow;
LEAVECRITICAL;
return S_OK;
}
// this hotspot stuff is broken in design
BOOL ImageList_MergeDragImages(int dxHotspot, int dyHotspot)
{
CImageList* pimlNew;
BOOL fRet = FALSE;
if (g_dctx.pimlDither)
{
if (g_dctx.puxCursor)
{
IImageList* pux = NULL;
IImageListPriv* puxpCursor;
if (SUCCEEDED(g_dctx.puxCursor->QueryInterface(IID_PPV_ARG(IImageListPriv, &puxpCursor))))
{
// If the cursor list has a mirrored list, let's use that.
if (FAILED(puxpCursor->GetMirror(IID_PPV_ARG(IImageList, &pux))))
{
pux = g_dctx.puxCursor;
if (pux)
pux->AddRef();
}
puxpCursor->Release();
}
g_dctx.pimlDither->_Merge(0, pux, g_dctx.iCursor, dxHotspot, dyHotspot, &pimlNew);
if (pimlNew && pimlNew->CreateDragBitmaps())
{
// WARNING: Don't destroy pimlDrag if it is pimlDither.
if (g_dctx.pimlDrag && (g_dctx.pimlDrag != g_dctx.pimlDither))
{
g_dctx.pimlDrag->Release();
}
g_dctx.pimlDrag = pimlNew;
fRet = TRUE;
}
pux->Release();
}
else
{
if (g_dctx.pimlDither->CreateDragBitmaps())
{
g_dctx.pimlDrag = g_dctx.pimlDither;
fRet = TRUE;
}
}
}
else
{
// not an error case if both aren't set yet
// only an error if we actually tried the merge and failed
fRet = TRUE;
}
return fRet;
}
BOOL ImageList_SetDragImage(HIMAGELIST piml, int i, int dxHotspot, int dyHotspot)
{
BOOL fVisible = g_dctx.fDragShow;
BOOL fRet;
ENTERCRITICAL;
if (fVisible)
ImageList_DragShowNolock(FALSE);
// only do this last step if everything is there.
fRet = ImageList_MergeDragImages(dxHotspot, dyHotspot);
if (fVisible)
ImageList_DragShowNolock(TRUE);
LEAVECRITICAL;
return fRet;
}
HRESULT CImageList::GetDragImage(POINT * ppt, POINT * pptHotspot, REFIID riid, void** ppv)
{
if (ppt)
{
ppt->x = g_dctx.ptDrag.x;
ppt->y = g_dctx.ptDrag.y;
}
if (pptHotspot)
{
pptHotspot->x = g_dctx.ptDragHotspot.x;
pptHotspot->y = g_dctx.ptDragHotspot.y;
}
if (g_dctx.pimlDrag)
{
return g_dctx.pimlDrag->QueryInterface(riid, ppv);
}
return E_ACCESSDENIED;
}
HRESULT CImageList::GetItemFlags(int i, DWORD *dwFlags)
{
return E_NOTIMPL;
}
HRESULT CImageList::GetOverlayImage(int iOverlay, int* piIndex)
{
return E_NOTIMPL;
}
HRESULT CImageList::SetDragCursorImage(IUnknown* punk, int i, int dxHotspot, int dyHotspot)
{
HRESULT hr = E_INVALIDARG;
BOOL fVisible = g_dctx.fDragShow;
IImageList* pux;
if (SUCCEEDED(punk->QueryInterface(IID_PPV_ARG(IImageList, &pux))))
{
ENTERCRITICAL;
// do work only if something has changed
if ((g_dctx.puxCursor != pux) || (g_dctx.iCursor != i))
{
if (fVisible)
ImageList_DragShowNolock(FALSE);
IImageList* puxOld = g_dctx.puxCursor;
g_dctx.puxCursor = pux;
g_dctx.puxCursor->AddRef();
if (puxOld)
puxOld->Release();
g_dctx.iCursor = i;
g_dctx.ptCursor.x = dxHotspot;
g_dctx.ptCursor.y = dyHotspot;
hr = ImageList_MergeDragImages(dxHotspot, dyHotspot)? S_OK: E_FAIL;
if (fVisible)
ImageList_DragShowNolock(TRUE);
}
LEAVECRITICAL;
pux->Release();
}
return hr;
}
HRESULT CImageList::EndDrag()
{
ENTERCRITICAL;
ImageList_DragShowNolock(FALSE);
// WARNING: Don't destroy pimlDrag if it is pimlDither.
if (g_dctx.pimlDrag && (g_dctx.pimlDrag != g_dctx.pimlDither))
{
g_dctx.pimlDrag->Release();
}
g_dctx.pimlDrag = NULL;
if (g_dctx.pimlDither)
{
g_dctx.pimlDither->Release();
g_dctx.pimlDither = NULL;
}
if (g_dctx.puxCursor)
{
g_dctx.puxCursor->Release();
g_dctx.puxCursor = NULL;
}
g_dctx.iCursor = -1;
g_dctx.hwndDC = NULL;
LEAVECRITICAL;
return S_OK;
}
// APIs
BOOL WINAPI ImageList_SetDragCursorImage(HIMAGELIST piml, int i, int dxHotspot, int dyHotspot)
{
BOOL fRet = FALSE;
IUnknown* punk;
HRESULT hr = HIMAGELIST_QueryInterface(piml, IID_PPV_ARG(IUnknown, &punk));
if (SUCCEEDED(hr))
{
if (g_dctx.puxDragImage)
{
fRet = (S_OK == g_dctx.puxDragImage->SetDragCursorImage(punk, i, dxHotspot, dyHotspot));
}
punk->Release();
}
return fRet;
}
HIMAGELIST WINAPI ImageList_GetDragImage(POINT * ppt, POINT * pptHotspot)
{
if (g_dctx.puxDragImage)
{
IImageList* punk = NULL;
if (SUCCEEDED(g_dctx.puxDragImage->GetDragImage(ppt, pptHotspot, IID_PPV_ARG(IImageList, &punk))))
{
punk->Release();
}
return reinterpret_cast<HIMAGELIST>(punk);
}
return NULL;
}
void WINAPI ImageList_EndDrag()
{
ENTERCRITICAL;
if (g_dctx.puxDragImage)
{
g_dctx.puxDragImage->EndDrag();
g_dctx.puxDragImage->Release();
g_dctx.puxDragImage = NULL;
}
LEAVECRITICAL;
}
BOOL WINAPI ImageList_BeginDrag(HIMAGELIST pimlTrack, int iTrack, int dxHotspot, int dyHotspot)
{
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(pimlTrack, IID_PPV_ARG(IImageList, &pux))))
{
if (SUCCEEDED(pux->BeginDrag(iTrack, dxHotspot, dyHotspot)))
{
g_dctx.puxDragImage = pux;
return TRUE;
}
}
return FALSE;
}
BOOL WINAPI ImageList_DragEnter(HWND hwndLock, int x, int y)
{
BOOL fRet = FALSE;
if (g_dctx.puxDragImage)
{
fRet = (S_OK == g_dctx.puxDragImage->DragEnter(hwndLock, x, y));
}
return fRet;
}
BOOL WINAPI ImageList_DragMove(int x, int y)
{
BOOL fRet = FALSE;
if (g_dctx.puxDragImage)
{
fRet = (S_OK == g_dctx.puxDragImage->DragMove(x, y));
}
return fRet;
}
BOOL WINAPI ImageList_DragLeave(HWND hwndLock)
{
BOOL fRet = FALSE;
if (g_dctx.puxDragImage)
{
fRet = (S_OK == g_dctx.puxDragImage->DragLeave(hwndLock));
}
return fRet;
}
BOOL WINAPI ImageList_DragShowNolock(BOOL fShow)
{
BOOL fRet = FALSE;
if (g_dctx.puxDragImage)
{
fRet = (S_OK == g_dctx.puxDragImage->DragShowNolock(fShow));
}
return fRet;
}
//============================================================================
// ImageList_Clone - clone a image list
//
// create a new imagelist with the same properties as the given
// imagelist, except mabey a new icon size
//
// piml - imagelist to clone
// cx,cy - new icon size (0,0) to use clone icon size.
// flags - new flags (used if no clone)
// cInitial- initial size
// cGrow - grow value (used if no clone)
//============================================================================
EXTERN_C HIMAGELIST WINAPI ImageList_Clone(HIMAGELIST himl, int cx, int cy, UINT flags, int cInitial, int cGrow)
{
IImageListPriv* puxp;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageListPriv, &puxp))))
{
// always use the clone flags
puxp->GetFlags(&flags);
IUnknown* punkMirror;
if (SUCCEEDED(puxp->GetMirror(IID_PPV_ARG(IUnknown, &punkMirror))))
{
flags |= ILC_MIRROR;
punkMirror->Release();
}
IImageList* pux;
if (SUCCEEDED(puxp->QueryInterface(IID_PPV_ARG(IImageList, &pux))))
{
int cxI, cyI;
pux->GetIconSize(&cxI, &cyI);
if (cx == 0)
cx = cxI;
if (cy == 0)
cy = cyI;
pux->Release();
}
puxp->Release();
}
return ImageList_Create(cx,cy,flags,cInitial,cGrow);
}
HRESULT WINAPI ImageList_CreateInstance(int cx, int cy, UINT flags, int cInitial, int cGrow, REFIID riid, void** ppv)
{
CImageList* piml=NULL;
HRESULT hr = E_OUTOFMEMORY;
*ppv = NULL;
piml = CImageList::Create(cx, cy, flags, cInitial, cGrow);
if (piml)
{
//
// Let's create a mirrored imagelist, if requested.
//
if (piml->_flags & ILC_MIRROR)
{
piml->_flags &= ~ILC_MIRROR;
piml->_pimlMirror = CImageList::Create(cx, cy, flags, cInitial, cGrow);
if (piml->_pimlMirror)
{
piml->_pimlMirror->_flags &= ~ILC_MIRROR;
}
}
hr = piml->QueryInterface(riid, ppv);
piml->Release();
}
return hr;
}
HIMAGELIST WINAPI ImageList_Create(int cx, int cy, UINT flags, int cInitial, int cGrow)
{
IImageList* pux;
ImageList_CreateInstance(cx, cy, flags, cInitial, cGrow, IID_PPV_ARG(IImageList, &pux));
return reinterpret_cast<HIMAGELIST>(pux);
}
//
// When this code is compiled Unicode, this implements the
// ANSI version of the ImageList_LoadImage api.
//
HIMAGELIST WINAPI ImageList_LoadImageA(HINSTANCE hi, LPCSTR lpbmp, int cx, int cGrow, COLORREF crMask, UINT uType, UINT uFlags)
{
HIMAGELIST lpResult;
LPWSTR lpBmpW;
if (!IS_INTRESOURCE(lpbmp))
{
lpBmpW = ProduceWFromA(CP_ACP, lpbmp);
if (!lpBmpW)
{
return NULL;
}
}
else
{
lpBmpW = (LPWSTR)lpbmp;
}
lpResult = ImageList_LoadImageW(hi, lpBmpW, cx, cGrow, crMask, uType, uFlags);
if (!IS_INTRESOURCE(lpbmp))
FreeProducedString(lpBmpW);
return lpResult;
}
HIMAGELIST WINAPI ImageList_LoadImage(HINSTANCE hi, LPCTSTR lpbmp, int cx, int cGrow, COLORREF crMask, UINT uType, UINT uFlags)
{
HBITMAP hbmImage;
HIMAGELIST piml = NULL;
BITMAP bm;
int cy, cInitial;
UINT flags;
hbmImage = (HBITMAP)LoadImage(hi, lpbmp, uType, 0, 0, uFlags);
if (hbmImage && (sizeof(bm) == GetObject(hbmImage, sizeof(bm), &bm)))
{
// If cx is not stated assume it is the same as cy.
// ASSERT(cx);
cy = bm.bmHeight;
if (cx == 0)
cx = cy;
cInitial = bm.bmWidth / cx;
ENTERCRITICAL;
flags = 0;
if (crMask != CLR_NONE)
flags |= ILC_MASK;
if (bm.bmBits)
flags |= (bm.bmBitsPixel & ILC_COLORMASK);
piml = ImageList_Create(cx, cy, flags, cInitial, cGrow);
if (piml)
{
int added;
if (crMask == CLR_NONE)
added = ImageList_Add(piml, hbmImage, NULL);
else
added = ImageList_AddMasked(piml, hbmImage, crMask);
if (added < 0)
{
ImageList_Destroy(piml);
piml = NULL;
}
}
LEAVECRITICAL;
}
if (hbmImage)
DeleteObject(hbmImage);
return reinterpret_cast<HIMAGELIST>((IImageList*)piml);
}
//
//
#undef ImageList_AddIcon
EXTERN_C int WINAPI ImageList_AddIcon(HIMAGELIST himl, HICON hIcon)
{
return ImageList_ReplaceIcon(himl, -1, hIcon);
}
EXTERN_C void WINAPI ImageList_CopyDitherImage(HIMAGELIST himlDst, WORD iDst,
int xDst, int yDst, HIMAGELIST himlSrc, int iSrc, UINT fStyle)
{
IImageListPriv* puxp;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himlDst, IID_PPV_ARG(IImageListPriv, &puxp))))
{
IUnknown* punk;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himlSrc, IID_PPV_ARG(IUnknown, &punk))))
{
puxp->CopyDitherImage(iDst, xDst, yDst, punk, iSrc, fStyle);
punk->Release();
}
puxp->Release();
}
}
//
// ImageList_Duplicate
//
// Makes a copy of the passed in imagelist.
//
HIMAGELIST WINAPI ImageList_Duplicate(HIMAGELIST himl)
{
IImageList* pret = NULL;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->Clone(IID_PPV_ARG(IImageList, &pret));
pux->Release();
}
return reinterpret_cast<HIMAGELIST>(pret);
}
BOOL WINAPI ImageList_Write(HIMAGELIST himl, LPSTREAM pstm)
{
BOOL fRet = FALSE;
IPersistStream* pps;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IPersistStream, &pps))))
{
if (SUCCEEDED(pps->Save(pstm, TRUE)))
{
fRet = TRUE;
}
pps->Release();
}
return fRet;
}
HIMAGELIST WINAPI ImageList_Read(LPSTREAM pstm)
{
CImageList* piml = new CImageList();
if (piml)
{
if (SUCCEEDED(piml->Load(pstm)))
{
return reinterpret_cast<HIMAGELIST>((IImageList*)piml);
}
piml->Release();
}
return NULL;
}
BOOL WINAPI ImageList_GetImageRect(HIMAGELIST himl, int i, RECT * prcImage)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
if (SUCCEEDED(pux->GetImageRect(i, prcImage)))
{
fRet = TRUE;
}
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_Destroy(HIMAGELIST himl)
{
BOOL fRet = FALSE;
IImageList* pux;
// Weirdness: We are doing a Query Interface first to verify that
// this is actually a valid imagelist, then we are calling release twice
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
// Release the interface we QI'd for
pux->Release();
// Release a second time to destroy the object
pux->Release();
fRet = TRUE;
}
return fRet;
}
int WINAPI ImageList_GetImageCount(HIMAGELIST himl)
{
int fRet = 0;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->GetImageCount(&fRet);
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_SetImageCount(HIMAGELIST himl, UINT uNewCount)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->SetImageCount(uNewCount));
pux->Release();
}
return fRet;
}
int WINAPI ImageList_Add(HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
{
int fRet = -1;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->Add(hbmImage, hbmMask, &fRet);
pux->Release();
}
return fRet;
}
int WINAPI ImageList_ReplaceIcon(HIMAGELIST himl, int i, HICON hicon)
{
int fRet = -1;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->ReplaceIcon(i, hicon, &fRet);
pux->Release();
}
return fRet;
}
COLORREF WINAPI ImageList_SetBkColor(HIMAGELIST himl, COLORREF clrBk)
{
COLORREF fRet = clrBk;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->SetBkColor(clrBk, &fRet);
pux->Release();
}
return fRet;
}
COLORREF WINAPI ImageList_GetBkColor(HIMAGELIST himl)
{
COLORREF fRet = RGB(0,0,0);
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->GetBkColor(&fRet);
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_SetOverlayImage(HIMAGELIST himl, int iImage, int iOverlay)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->SetOverlayImage(iImage, iOverlay));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_Replace(HIMAGELIST himl, int i, HBITMAP hbmImage, HBITMAP hbmMask)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->Replace(i, hbmImage, hbmMask));
pux->Release();
}
return fRet;
}
int WINAPI ImageList_AddMasked(HIMAGELIST himl, HBITMAP hbmImage, COLORREF crMask)
{
int fRet = -1;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->AddMasked(hbmImage, crMask, &fRet);
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_DrawEx(HIMAGELIST himl, int i, HDC hdcDst, int x, int y, int dx, int dy, COLORREF rgbBk, COLORREF rgbFg, UINT fStyle)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
IMAGELISTDRAWPARAMS imldp = {0};
imldp.cbSize = sizeof(imldp);
imldp.himl = himl;
imldp.i = i;
imldp.hdcDst = hdcDst;
imldp.x = x;
imldp.y = y;
imldp.cx = dx;
imldp.cy = dy;
imldp.rgbBk = rgbBk;
imldp.rgbFg = rgbFg;
imldp.fStyle = fStyle;
fRet = (S_OK == pux->Draw(&imldp));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_Draw(HIMAGELIST himl, int i, HDC hdcDst, int x, int y, UINT fStyle)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
IMAGELISTDRAWPARAMS imldp = {0};
imldp.cbSize = sizeof(imldp);
imldp.himl = himl;
imldp.i = i;
imldp.hdcDst = hdcDst;
imldp.x = x;
imldp.y = y;
imldp.rgbBk = CLR_DEFAULT;
imldp.rgbFg = CLR_DEFAULT;
imldp.fStyle = fStyle;
fRet = (S_OK == pux->Draw(&imldp));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_DrawIndirect(IMAGELISTDRAWPARAMS* pimldp)
{
BOOL fRet = FALSE;
IImageList* pux;
if (!pimldp)
return fRet;
if (SUCCEEDED(HIMAGELIST_QueryInterface(pimldp->himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->Draw(pimldp));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_Remove(HIMAGELIST himl, int i)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->Remove(i));
pux->Release();
}
return fRet;
}
HICON WINAPI ImageList_GetIcon(HIMAGELIST himl, int i, UINT flags)
{
HICON fRet = NULL;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->GetIcon(i, flags, &fRet);
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_Copy(HIMAGELIST himlDst, int iDst, HIMAGELIST himlSrc, int iSrc, UINT uFlags)
{
BOOL fRet = FALSE;
if (himlDst == himlSrc)
{
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himlDst, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->Copy(iDst,(IUnknown*)pux, iSrc, uFlags));
pux->Release();
}
}
return fRet;
}
BOOL WINAPI ImageList_GetIconSize(HIMAGELIST himl, int FAR *cx, int FAR *cy)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->GetIconSize(cx, cy));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_SetIconSize(HIMAGELIST himl, int cx, int cy)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->SetIconSize(cx, cy));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_GetImageInfo(HIMAGELIST himl, int i, IMAGEINFO FAR* pImageInfo)
{
BOOL fRet = FALSE;
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
fRet = (S_OK == pux->GetImageInfo(i, pImageInfo));
pux->Release();
}
return fRet;
}
HIMAGELIST WINAPI ImageList_Merge(HIMAGELIST himl1, int i1, HIMAGELIST himl2, int i2, int dx, int dy)
{
IImageList* fRet = NULL;
IImageList* pux1;
IImageList* pux2;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl1, IID_PPV_ARG(IImageList, &pux1))))
{
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl2, IID_PPV_ARG(IImageList, &pux2))))
{
pux1->Merge(i1, (IUnknown*)pux2, i2, dx, dy, IID_PPV_ARG(IImageList, &fRet));
pux2->Release();
}
pux1->Release();
}
return reinterpret_cast<HIMAGELIST>(fRet);
}
BOOL WINAPI ImageList_SetFlags(HIMAGELIST himl, UINT flags)
{
BOOL fRet = FALSE;
IImageListPriv* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageListPriv, &pux))))
{
fRet = (S_OK == pux->SetFlags(flags));
pux->Release();
}
return fRet;
}
BOOL WINAPI ImageList_SetFilter(HIMAGELIST himl, PFNIMLFILTER pfnFilter, LPARAM lParamFilter)
{
return FALSE;
}
int ImageList_SetColorTable(HIMAGELIST himl, int start, int len, RGBQUAD *prgb)
{
int fRet = -1;
IImageListPriv* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageListPriv, &pux))))
{
pux->SetColorTable(start, len, prgb, &fRet);
pux->Release();
}
return fRet;
}
UINT WINAPI ImageList_GetFlags(HIMAGELIST himl)
{
UINT fRet = 0;
IImageListPriv* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageListPriv, &pux))))
{
pux->GetFlags(&fRet);
pux->Release();
}
return fRet;
}