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windows-server-2003/shell/comctl32/v6/image.cpp

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#include "ctlspriv.h"
#include "image.h"
#include "math.h"
#ifndef AC_MIRRORBITMAP
#define AC_MIRRORBITMAP 0 // BUGBUG: Remove me
#endif
void ImageList_DeleteDragBitmaps();
BOOL ImageList_SetDragImage(HIMAGELIST piml, int i, int dxHotspot, int dyHotspot);
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 WINAPI 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();
}
DWORD CImageList::_GetItemFlags(int i)
{
DWORD dw = 0;
// NOTE: Currently we only add the flags in 32bit mode. If needed, you have
// to modify ::Load in order to add items during a load. I'm just lazy
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
DSA_GetItem(_dsaFlags, i, &dw);
return dw;
}
void CImageList::SetItemFlags(int i, DWORD dwFlags)
{
if (_dsaFlags)
DSA_SetItem(_dsaFlags, i, &dwFlags);
}
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 = 1;
_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(2);
}
}
}
// Don't do this if we are already initialized, we just want to pass new information....
if (!_fInitialized)
g_iILRefCount++;
_fInitialized = TRUE;
return hr;
}
HRESULT CImageList::QueryInterface(REFIID riid, void **ppv)
{
static const QITAB qit[] =
{
QITABENT(CImageList, IImageListPriv),
QITABENT(CImageList, IImageList),
QITABENT(CImageList, IImageListPersistStream),
QITABENT(CImageList, IPersistStream),
QITABENTMULTI(CImageList, IPersist, IPersistStream),
{ 0 },
};
return QISearch(this, (LPCQITAB)qit, riid, ppv);
}
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, RGBQUAD** ppargb)
{
HDC hdc;
HBITMAP hbm;
struct
{
BITMAPINFOHEADER bi;
DWORD ct[256];
} dib;
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, (PVOID*)ppargb, 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;
}
HBITMAP CreateDIB(HDC h, int cx, int cy, RGBQUAD** pprgb)
{
BITMAPINFO bi = {0};
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = cx;
bi.bmiHeader.biHeight = cy;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
return CreateDIBSection(h, &bi, DIB_RGB_COLORS, (void**)pprgb, NULL, 0);
}
BOOL DIBHasAlpha(int cx, int cy, RGBQUAD* prgb)
{
int cTotal = cx * cy;
for (int i = 0; i < cTotal; i++)
{
if (prgb[i].rgbReserved != 0)
return TRUE;
}
return FALSE;
}
void PreProcessDIB(int cx, int cy, RGBQUAD* pargb)
{
int cTotal = cx * cy;
for (int i = 0; i < cTotal; i++)
{
RGBQUAD* prgb = &pargb[i];
if (prgb->rgbReserved != 0)
{
prgb->rgbRed = ((prgb->rgbRed * prgb->rgbReserved) + 128) / 255;
prgb->rgbGreen = ((prgb->rgbGreen * prgb->rgbReserved) + 128) / 255;
prgb->rgbBlue = ((prgb->rgbBlue * prgb->rgbReserved) + 128) / 255;
}
else
{
*((DWORD*)prgb) = 0;
}
}
}
EXTERN_C HBITMAP CreateMonoBitmap(int cx, int cy)
{
#ifdef MONO_DIB
struct
{
BITMAPINFOHEADER bi;
DWORD ct[2];
} dib = {0};
dib.bi.biSize = sizeof(dib.bi);
dib.bi.biWidth = cx;
dib.bi.biHeight = cy;
dib.bi.biPlanes = 1;
dib.bi.biBitCount = 1;
dib.bi.biCompression = BI_RGB;
dib.ct[0] = 0x00000000;
dib.ct[1] = 0x00ffffff;
HBITMAP hbmp = NULL;
HDC hdc = CreateCompatibleDC(NULL);
if (hdc)
{
hbmp = CreateDIBSection(hdc, (BITMAPINFO*)&dib, DIB_PAL_COLORS, NULL, NULL, 0);
DeleteDC(hdc);
}
return hbmp;
#else
return CreateBitmap(cx, cy, 1, 1, NULL);
#endif
}
//============================================================================
BOOL CImageList::GlobalInit(void)
{
HDC hdcScreen;
static const WORD stripebits[] = {0x7777, 0xdddd, 0x7777, 0xdddd,
0x7777, 0xdddd, 0x7777, 0xdddd};
HBITMAP hbmTemp;
TraceMsg(TF_IMAGELIST, "CImageList::GlobalInit");
// 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, BOOL f32bpp, int dx, int dy)
{
ASSERTCRITICAL;
int iDepth = GetDeviceCaps(hdc, BITSPIXEL);
if (g_hbmWork == NULL ||
iDepth != g_bmWork.bmBitsPixel ||
g_bmWork.bmWidth != dx ||
g_bmWork.bmHeight != dy ||
(f32bpp && iDepth != 32))
{
CImageList::_DeleteBitmap(g_hbmWork);
g_hbmWork = NULL;
if (dx == 0 || dy == 0)
return NULL;
if (f32bpp)
g_hbmWork = CreateDIB(hdc, dx, dy, NULL);
else
g_hbmWork = CreateCompatibleBitmap(hdc, dx, dy);
if (g_hbmWork)
{
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 CImageList::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 = 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);
//Clean up DSA
if (_dsaFlags)
DSA_Destroy(_dsaFlags);
if (_fInitialized)
{
// 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 + 2)); // Two because we need a spare image
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 (uFlags & ~ILC_VALID)
return E_INVALIDARG;
// you cant change these flags.
if ((uFlags ^ _flags) & ILC_SHARED)
return E_INVALIDARG;
if (_pimlMirror)
_pimlMirror->SetFlags(uFlags);
// 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);
if (_GetItemFlags(iFirst) == 0)
{
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 = NULL;
HBITMAP hbmMaskNew = NULL;
RGBQUAD* pargbImageNew = NULL;
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;
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, &pargbImageNew);
if (!hbmImageNew)
{
if (hbmMaskNew)
CImageList::_DeleteBitmap(hbmMaskNew);
TraceMsg(TF_ERROR, "ImageList: Can't create bitmap");
return E_OUTOFMEMORY;
}
if (_dsaFlags == NULL)
_dsaFlags = DSA_Create(sizeof(DWORD), _cGrow);
if (!_dsaFlags)
{
if (hbmMaskNew)
CImageList::_DeleteBitmap(hbmMaskNew);
if (hbmImageNew)
CImageList::_DeleteBitmap(hbmImageNew);
TraceMsg(TF_ERROR, "ImageList: Can't create flags array");
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;
_pargbImage = pargbImageNew;
_clrBlend = CLR_NONE;
_cAlloc = cAllocI;
return S_OK;
}
HBITMAP CImageList::_CreateMirroredBitmap(HBITMAP hbmOrig, BOOL fMirrorEach, int cx)
{
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;
}
if (bm.bmBitsPixel == 32)
{
void* p;
BITMAPINFO bi = {sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight, 1, 32};
hbm = CreateDIBSection(hdc, &bi, DIB_RGB_COLORS, &p, NULL, 0);
}
else
{
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);
if (fMirrorEach)
{
for (int i = 0; i < bm.bmWidth; i += cx) // Flip the bits in the imagelist...
{
BitBlt(hdcMem2, bm.bmWidth - i - cx, 0, cx, bm.bmHeight, hdcMem1, i, 0, SRCCOPY);
}
}
else
{
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;
}
BOOL CImageList::_HasAlpha(int i)
{
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
RECT rc;
if (SUCCEEDED(GetImageRectInverted(i, &rc)))
{
for (int y = rc.top; y < rc.bottom; y++)
{
for (int x = rc.left; x < rc.right; x++)
{
if (_pargbImage[x + y * _cx].rgbReserved != 0)
return TRUE;
}
}
}
}
return FALSE;
}
void CImageList::_ScanForAlpha()
{
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
for (int i = 0; i < _cImage; i++)
{
SetItemFlags(i, _HasAlpha(i)? ILIF_ALPHA : 0);
}
}
}
BOOL CImageList::_PreProcessImage(int i)
{
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
RECT rc;
GetImageRectInverted(i, &rc);
#ifdef _X86_
if (IsProcessorFeaturePresent(PF_MMX_INSTRUCTIONS_AVAILABLE))
{
_asm
{
pxor mm0, mm0
pxor mm1, mm1
pxor mm5, mm5
movq mm6, qw128 // mm6 is filled with 128
movq mm7, qw1 // mm7 is filled with 1
}
for (int y = rc.top; y < rc.bottom; y++)
{
int Offset = y * _cx;
RGBQUAD* prgb = &_pargbImage[rc.left + Offset];
for (int x = rc.left; x < rc.right; x++)
{
_asm
{
push ecx
mov edx, dword ptr [prgb] // Read alpha channel
mov ecx, dword ptr [edx]
mov ebx, ecx
shr ebx, 24 // a >> 24
mov eax, ebx // a -> b
or eax, eax
jz EarlyOut
shl ebx, 8 // b << 8
or eax, ebx // a |= b
shl ebx, 8 // b << 8
or eax, ebx // a |= b
shl ebx, 8 // b << 8
// Note high byte of alpha is zero.
movd mm0, eax // a -> mm0
movd mm1, ecx // Load the pixel
punpcklbw mm0,mm5 // mm0 -> Expands <- mm0 Contains the Alpha channel for this multiply
punpcklbw mm1,mm5 // Unpack the pixel
pmullw mm1, mm0 // Multiply by the alpha channel <- mm1 contains c * alpha
paddusw mm1, mm6 // perform the (c * alpha) + 128
psrlw mm1, 8 // Divide by 255
paddusw mm1, mm7 // Add 1 to finish the divide by 255
packuswb mm1, mm5
movd eax, mm1
or eax, ebx // Transfer alpha channel
EarlyOut:
mov dword ptr [edx], eax
pop ecx
}
prgb++;
}
}
_asm emms
}
else
#endif
{
for (int y = rc.top; y < rc.bottom; y++)
{
int Offset = y * _cx;
for (int x = rc.left; x < rc.right; x++)
{
RGBQUAD* prgb = &_pargbImage[x + Offset];
if (prgb->rgbReserved)
{
prgb->rgbRed = ((prgb->rgbRed * prgb->rgbReserved) + 128) / 255;
prgb->rgbGreen = ((prgb->rgbGreen * prgb->rgbReserved) + 128) / 255;
prgb->rgbBlue = ((prgb->rgbBlue * prgb->rgbReserved) + 128) / 255;
}
else
{
*((DWORD*)prgb) = 0;
}
}
}
}
return TRUE;
}
return FALSE;
}
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, (ILC_PERITEMMIRROR & _flags), _cx);
HBITMAP hbmMirroredMask = _CreateMirroredBitmap(hbmMask, (ILC_PERITEMMIRROR & _flags), _cx);
_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. This workaround is is not required
// under MainWin.
//
// 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, (ILC_PERITEMMIRROR & _flags), _cx);
_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, (ILC_PERITEMMIRROR & _flags), _cx);
if (hbmMirroredImage)
{
HBITMAP hbmMirroredMask = NULL;
if (hbmMask)
hbmMirroredMask = CImageList::_CreateMirroredBitmap(hbmMask, (ILC_PERITEMMIRROR & _flags), _cx);
_pimlMirror->_ReplaceValidated(i, hbmMirroredImage, hbmMirroredMask);
if (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;
BOOL fBitmapIs32 = FALSE;
ASSERT(_hbmImage);
BITMAP bm;
GetObject(hbmImageI, sizeof(bm), &bm);
if (bm.bmBitsPixel == 32)
{
fBitmapIs32 = TRUE;
}
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);
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
DWORD dw = 0;
if (fBitmapIs32)
{
BOOL fHasAlpha = _HasAlpha(i + iImage);
if (fHasAlpha)
{
dw = ILIF_ALPHA;
_PreProcessImage(i + iImage);
}
}
SetItemFlags(i + iImage, dw);
}
}
_ResetBkColor(i, i + cImageI - 1, _clrBk);
CImageList::SelectSrcBitmap(NULL);
if (_hdcMask)
CImageList::SelectDstBitmap(NULL);
return S_OK;
}
void UnPremultiply(RGBQUAD* pargb, int cx, int cy)
{
int cTotal = cx * cy;
for (int i = 0; i < cTotal; i++)
{
RGBQUAD* prgb = &pargb[i];
if (prgb->rgbReserved != 0)
{
prgb->rgbRed = ((255 * prgb->rgbRed) - 128)/prgb->rgbReserved;
prgb->rgbGreen = ((255 * prgb->rgbGreen) - 128)/prgb->rgbReserved;
prgb->rgbBlue = ((255 * prgb->rgbBlue) - 128)/prgb->rgbReserved;
}
}
}
HRESULT CImageList::GetIcon(int i, UINT flags, HICON* phicon)
{
UINT cxImage, cyImage;
HICON hIcon = NULL;
HBITMAP hbmMask = NULL;
HBITMAP hbmColor = NULL;
ICONINFO ii;
HRESULT hr = E_OUTOFMEMORY;
RGBQUAD* prgb;
DWORD fHasAlpha = FALSE;
ENTERCRITICAL;
if (!IsImageListIndex(i))
{
hr = E_INVALIDARG;
}
else
{
fHasAlpha = (_GetItemFlags(i) & ILIF_ALPHA);
}
LEAVECRITICAL;
if (E_INVALIDARG == hr)
return hr;
cxImage = _cx;
cyImage = _cy;
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
// If the source image is not an alpha image, we need to create a lower than 32bpp dib.
// We need to do this because if the overlay contains an alpha channel, this will
// be propogated to the final icon, and the only visible portion will be the link item.
BITMAPINFO bi = {0};
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = cxImage;
bi.bmiHeader.biHeight = cyImage;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = fHasAlpha?32:24;
bi.bmiHeader.biCompression = BI_RGB;
HDC hdcScreen = GetDC(NULL);
if (hdcScreen)
{
hbmColor = CreateDIBSection(hdcScreen, &bi, DIB_RGB_COLORS, (void**)&prgb, NULL, 0);
ReleaseDC(NULL, hdcScreen);
}
flags |= ILD_PRESERVEALPHA;
}
else
{
fHasAlpha = FALSE;
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;
if (fHasAlpha)
{
UnPremultiply(prgb, _cx, _cy);
}
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);
if (i < _cImage &&
(_flags & ILC_COLORMASK) == ILC_COLOR32)
{
DSA_DeleteItem(_dsaFlags, i);
}
SetItemFlags(_cImage, 0);
// 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;
if (_dsaFlags)
{
DSA_Destroy(_dsaFlags);
_dsaFlags = NULL;
}
_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 = CreateMonoBitmap(cxI,cyI);
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;
TraceMsg(TF_ERROR, "SetOverlayImage: Invalid image. No white pixels specified");
}
if (rc.top == 0x7FFF)
{
rc.top = 0;
TraceMsg(TF_ERROR, "SetOverlayImage: Invalid image. No white pixels specified");
}
_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 CImageList::BlendCTHelper(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);
}
}
/*
** BlendDither
**
** copy the source to the dest blended with the given color.
**
** simulate a blend with a dither pattern.
**
*/
void CImageList::BlendDither(HDC hdcDst, int xDst, int yDst, 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 = _hbrBk;
break;
default:
if (rgb == _clrBk)
hbr = _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, _hdcImage, x, y, ROP_MaskPat);
SelectObject(hdcDst, hbrT);
if (hbrFree)
DeleteBrush(hbrFree);
}
/*
** BlendCT
**
** copy the source to the dest blended with the given color.
**
*/
void CImageList::BlendCT(HDC hdcDst, int xDst, int yDst, int x, int y, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
GetObject(_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 (_clrBlend != rgb)
{
int n,cnt;
_clrBlend = rgb;
GetObject(_hbmImage, sizeof(dib), &dib.bm);
cnt = GetDIBColorTable(_hdcImage, 0, 256, (LPRGBQUAD)&dib.ct);
if ((fStyle & ILD_BLENDMASK) == ILD_BLEND50)
n = 50;
else
n = 25;
BlendCTHelper(dib.ct, rgb, n, cnt);
}
//
// draw the image with a different color table
//
StretchDIBits(hdcDst, xDst, yDst, cx, cy,
x, dib.bi.biHeight-(y+cy), cx, cy,
bm.bmBits, (LPBITMAPINFO)&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)
void CImageList::Blend16Helper(int xSrc, int ySrc, int xDst, int yDst, int cx, int cy, COLORREF rgb, int a) // alpha value
{
// If it's odd, Adjust.
if ((cx & 1) == 1)
{
cx++;
}
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)
int ys = ySrc;
int yd = yDst;
for (; ys < ySrc + cy; ys++, yd++)
{
WORD* pSrc = &((WORD*)_pargbImage)[xSrc + ys * cx]; // Cast because we've gotten to this case because we are a 555 imagelist
WORD* pDst = &((WORD*)_pargbImage)[xDst + yd * cx];
for (int x = 0; x < cx; x++)
{
*pDst++ = ((*pDst & 0x7BDE) >> 1) + ((*pSrc++ & 0x7BDE) >> 1);
}
}
}
else
{
// blending with a solid color
// pre multiply source (constant) rgb by alpha
int sr = GetRValue(rgb) * a;
int sg = GetGValue(rgb) * a;
int 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);
int ys = ySrc;
int yd = yDst;
for (; ys < ySrc + cy; ys++, yd++)
{
WORD* pSrc = &((WORD*)_pargbImage)[xSrc + ys * cx];
WORD* pDst = &((WORD*)_pargbImage)[xDst + yd * cx];
for (int x = 0; x < cx; x++)
{
int i = *pSrc++;
i = sr + ((i & 0x7BDE) >> 1);
*pDst++ = (WORD) i;
}
}
}
else
{
int ys = ySrc;
int yd = yDst;
for (; ys < ySrc + cy; ys++, yd++)
{
WORD* pSrc = &((WORD*)_pargbImage)[xSrc + ys * cx];
WORD* pDst = &((WORD*)_pargbImage)[xDst + yd * cx];
for (int x = 0; x < cx; x++)
{
int i = *pSrc++;
int r = (R_555(i) * a + sr) >> 8;
int g = (G_555(i) * a + sg) >> 8;
int b = (B_555(i) * a + sb) >> 8;
*pDst++ = RGB555(r,g,b);
}
}
}
}
}
/*
** 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 CImageList::Blend16(HDC hdcDst, int xDst, int yDst, int iImage, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
RECT rc;
RECT rcSpare;
RECT rcSpareInverted;
int a, x, y;
// get bitmap info for source bitmap
GetObject(_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;
GetImageRectInverted(iImage, &rc);
x = rc.left;
y = rc.top;
// blend the image with the specified color and place at end of image list
if (GetSpareImageRectInverted(&rcSpareInverted) &&
GetSpareImageRect(&rcSpare))
{
// if blending with the destination, copy the dest to our work buffer
if (rgb == CLR_NONE)
BitBlt(_hdcImage, rcSpare.left, rcSpare.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)
{
// Needs inverted coordinates
Blend16Helper(x, y, rcSpareInverted.left, rcSpareInverted.top, cx, cy, rgb, a);
}
// blt blended image to the dest DC
BitBlt(hdcDst, xDst, yDst, cx, cy, _hdcImage, rcSpare.left, rcSpare.top, SRCCOPY);
}
}
#define ALPHA_50 128
#define ALPHA_25 64
void CImageList::_GenerateAlphaForImageUsingMask(int iImage, BOOL fSpare)
{
RECT rcImage;
RECT rcInverted;
HRESULT hr;
GetImageRect(iImage, &rcImage);
if (fSpare)
{
hr = GetSpareImageRectInverted(&rcInverted);
}
else
{
hr = GetImageRectInverted(iImage, &rcInverted);
}
if (!SUCCEEDED(hr))
return;
BITMAPINFO bi = {0};
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = _cx;
bi.bmiHeader.biHeight = _cy;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
HDC hdcMem = CreateCompatibleDC(_hdcMask);
if (hdcMem)
{
RGBQUAD* pbMask;
HBITMAP hbmp = CreateDIBSection(hdcMem, &bi, DIB_RGB_COLORS, (void**)&pbMask, NULL, 0);
if (hbmp)
{
HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmp);
SetTextColor(hdcMem, RGB(0xFF, 0xFF, 0xFF));
::SetBkColor(hdcMem, RGB(0x0,0x0,0x0));
BitBlt(hdcMem, 0, 0, _cx, _cy, _hdcMask, rcImage.left, rcImage.top, SRCCOPY);
for (int y = 0; y < _cy; y++)
{
int Offset = (y + rcInverted.top) * _cx;
int MaskOffset = y * _cx;
for (int x = 0; x < _cx; x++)
{
RGBQUAD* prgb = &_pargbImage[x + rcInverted.left + Offset];
if (pbMask[x + MaskOffset].rgbBlue != 0)
{
prgb->rgbReserved = 255;
}
else
{
*(DWORD*)prgb = 0;
}
}
}
SelectObject(hdcMem, hbmpOld);
DeleteObject(hbmp);
}
DeleteDC(hdcMem);
}
if (!fSpare)
{
SetItemFlags(iImage, ILIF_ALPHA);
_PreProcessImage(iImage);
}
}
void ScaleAlpha(RGBQUAD* prgbImage, RECT* prc, int aScale)
{
int cx = RECTWIDTH(*prc);
for (int y = prc->top; y < prc->bottom; y++)
{
int Offset = y * cx;
for (int x = prc->left; x < prc->right; x++)
{
RGBQUAD* prgb = &prgbImage[x + Offset];
if (prgb->rgbReserved != 0)
{
prgb->rgbReserved = (BYTE)(prgb->rgbReserved / aScale); // New alpha
prgb->rgbRed = ((prgb->rgbRed * prgb->rgbReserved) + 128) / 255;
prgb->rgbGreen = ((prgb->rgbGreen * prgb->rgbReserved) + 128) / 255;
prgb->rgbBlue = ((prgb->rgbBlue * prgb->rgbReserved) + 128) / 255;
}
}
}
}
#define COLORBLEND_ALPHA 128
BOOL CImageList::Blend32(HDC hdcDst, int xDst, int yDst, int iImage, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BITMAP bm;
RECT rc;
RECT rcSpare;
RECT rcSpareInverted;
int aScale;
BOOL fBlendWithColor = FALSE;
int r,g,b;
// get bitmap info for source bitmap
GetObject(_hbmImage, sizeof(bm), &bm);
ASSERT(bm.bmBitsPixel==32);
// get blend RGB
if (rgb == CLR_DEFAULT)
{
rgb = GetSysColor(COLOR_HIGHLIGHT);
fBlendWithColor = TRUE;
r = GetRValue(rgb) * COLORBLEND_ALPHA;
g = GetGValue(rgb) * COLORBLEND_ALPHA;
b = GetBValue(rgb) * COLORBLEND_ALPHA;
}
// get blend factor as a fraction of 256
// only 50% or 25% is currently used.
if ((fStyle & ILD_BLENDMASK) == ILD_BLEND50 || rgb == CLR_NONE)
aScale = 2;
else
aScale = 4;
GetImageRect(iImage, &rc);
if (GetSpareImageRectInverted(&rcSpareInverted) &&
GetSpareImageRect(&rcSpare))
{
BitBlt(_hdcImage, rcSpare.left, rcSpare.top, _cx, _cy, _hdcImage, rc.left, rc.top, SRCCOPY);
BOOL fHasAlpha = (_GetItemFlags(iImage) & ILIF_ALPHA);
if (!fHasAlpha)
{
_GenerateAlphaForImageUsingMask(iImage, TRUE);
}
// if blending with the destination, copy the dest to our work buffer
if (rgb == CLR_NONE)
{
ScaleAlpha(_pargbImage, &rcSpareInverted, aScale);
BLENDFUNCTION bf = {0};
bf.BlendOp = AC_SRC_OVER;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
bf.BlendFlags = AC_MIRRORBITMAP | ((fStyle & ILD_DPISCALE)?AC_USE_HIGHQUALITYFILTER:0);
GdiAlphaBlend(hdcDst, xDst, yDst, cx, cy, _hdcImage, rcSpare.left, rcSpare.top, _cx, _cy, bf);
return FALSE;
}
else
{
if (fBlendWithColor)
{
for (int y = rcSpareInverted.top; y < rcSpareInverted.bottom; y++)
{
int Offset = y * _cx;
for (int x = rcSpareInverted.left; x < rcSpareInverted.right; x++)
{
RGBQUAD* prgb = &_pargbImage[x + Offset];
if (prgb->rgbReserved > 128)
{
prgb->rgbRed = (prgb->rgbRed * COLORBLEND_ALPHA + r) / 255;
prgb->rgbGreen = (prgb->rgbGreen * COLORBLEND_ALPHA + g) / 255;
prgb->rgbBlue = (prgb->rgbBlue * COLORBLEND_ALPHA + b) / 255;
}
}
}
}
else
{
ScaleAlpha(_pargbImage, &rcSpareInverted, aScale);
}
BitBlt(hdcDst, xDst, yDst, cx, cy, _hdcImage, rcSpare.left, rcSpare.top, SRCCOPY);
return TRUE;
}
}
return FALSE;
}
/*
** ImageList_Blend
**
** copy the source to the dest blended with the given color.
** top level function to decide what blend function to call
*/
BOOL CImageList::Blend(HDC hdcDst, int xDst, int yDst, int iImage, int cx, int cy, COLORREF rgb, UINT fStyle)
{
BOOL fRet = FALSE;
BITMAP bm;
RECT rc;
int bpp = GetDeviceCaps(hdcDst, BITSPIXEL);
GetObject(_hbmImage, sizeof(bm), &bm);
GetImageRect(iImage, &rc);
//
// 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
BlendCT(hdcDst, xDst, yDst, rc.left, rc.top, cx, cy, rgb, fStyle);
}
else if (bm.bmBits && bm.bmBitsPixel == 16 && bpp > 8)
{
// blend from a 16bit 555 DIB
Blend16(hdcDst, xDst, yDst, iImage, cx, cy, rgb, fStyle);
}
else if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
fRet = Blend32(hdcDst, xDst, yDst, iImage, cx, cy, rgb, fStyle);
}
else
{
// simulate a blend with a dither pattern.
BlendDither(hdcDst, xDst, yDst, rc.left, rc.top, cx, cy, rgb, fStyle);
}
return fRet;
}
#define RGB_to_Gray(x) ((54 * GetRValue((x)) + 183 * GetGValue((x)) + 19 * GetBValue((x))) >> 8)
void TrueSaturateBits(void* pvBitmapBits, int Amount, int cx, int cy)
{
ULONG* pulSrc = (ULONG*)pvBitmapBits;
if ((cx > 0) && (cy > 0) && pulSrc)
{
for (int i = cx*cy - 1; i >= 0; i--)
{
/*
Enable this if you need true saturation adjustment
justmann 25-JAN-2001
ULONG ulR = GetRValue(*pulSrc);
ULONG ulG = GetGValue(*pulSrc);
ULONG ulB = GetBValue(*pulSrc);
ulGray = (54 * ulR + 183 * ulG + 19 * ulB) >> 8;
ULONG ulTemp = ulGray * (0xff - Amount);
ulR = (ulR * Amount + ulTemp) >> 8;
ulG = (ulG * Amount + ulTemp) >> 8;
ulB = (ulB * Amount + ulTemp) >> 8;
*pulSrc = (*pulSrc & 0xff000000) | RGB(R, G, B);
*/
ULONG ulGray = RGB_to_Gray(*pulSrc);
*pulSrc = (*pulSrc & 0xff000000) | RGB(ulGray, ulGray, ulGray);
pulSrc++;
}
}
else
{
// This should never happen, if it does somebody has a bogus DIB section or does not
// understand what width or height is!
ASSERT(0);
}
}
BOOL CImageList::_MaskStretchBlt(BOOL fStretch, int i, HDC hdcDst, int xDst, int yDst, int cxDst, int cyDst,
HDC hdcImage, int xSrc, int ySrc, int cxSrc, int cySrc,
int xMask, int yMask,
DWORD dwRop)
{
BOOL fRet = TRUE;
if (fStretch == FALSE)
{
fRet = MaskBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcImage,
xSrc, ySrc, _hbmMask, xMask, yMask, dwRop);
}
else
{
//
// we have some special cases:
//
// if the background color is black, we just do a AND then OR
// if the background color is white, we just do a OR then AND
// otherwise change source, then AND then OR
//
COLORREF clrTextSave = SetTextColor(hdcDst, CLR_BLACK);
COLORREF clrBkSave = ::SetBkColor(hdcDst, CLR_WHITE);
// we cant do white/black special cases if we munged the mask or image
if (i != -1 && _clrBk == CLR_WHITE)
{
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, _hdcMask, xMask, yMask, cxSrc, cySrc, ROP_DSno);
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcImage, xSrc, ySrc, cxSrc, cySrc, ROP_DSa);
}
else if (i != -1 && (_clrBk == CLR_BLACK || _clrBk == CLR_NONE))
{
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, _hdcMask, xMask, yMask, cxSrc, cySrc, ROP_DSa);
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcImage, xSrc, ySrc, cxSrc, cySrc, ROP_DSo);
}
else
{
// black out the source image.
BitBlt(hdcImage, xSrc, ySrc, cxSrc, cySrc, _hdcMask, xMask, yMask, ROP_DSna);
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, _hdcMask, xMask, yMask, cxSrc, cySrc, ROP_DSa);
StretchBlt(hdcDst, xDst, yDst, cxDst, cyDst, hdcImage, xSrc, ySrc, cxSrc, cySrc, ROP_DSo);
if (i != -1)
_ResetBkColor(i, i, _clrBk);
}
SetTextColor(hdcDst, clrTextSave);
::SetBkColor(hdcDst, clrBkSave);
}
return fRet;
}
BOOL CImageList::_StretchBlt(BOOL fStretch, HDC hdc, int x, int y, int cx, int cy,
HDC hdcSrc, int xs, int ys, int cxs, int cys, DWORD dwRop)
{
if (fStretch)
return StretchBlt(hdc, x, y, cx, cy,
hdcSrc, xs, ys, cxs, cys, dwRop);
return BitBlt(hdc, x, y, cx, cy, hdcSrc, xs, ys, dwRop);
}
HRESULT CImageList::Draw(IMAGELISTDRAWPARAMS* pimldp)
{
RECT rcImage;
RECT rc;
HBRUSH hbrT;
BOOL fImage;
HDC hdcMaskI;
HDC hdcImageI;
int xMask, yMask;
int xImage, yImage;
int cxSource, cySource;
DWORD dwOldStretchBltMode;
BOOL fStretch;
BOOL fDPIScale = FALSE;
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;
dwOldStretchBltMode = SetStretchBltMode(pimldp->hdcDst, COLORONCOLOR);
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 = RECTWIDTH(rcImage);
if (pimldp->cy == 0)
pimldp->cy = RECTHEIGHT(rcImage);
BOOL fImageHasAlpha = (_GetItemFlags(pimldp->i) & ILIF_ALPHA);
again:
cxSource = RECTWIDTH(rcImage);
cySource = RECTHEIGHT(rcImage);
if (pimldp->cx <= 0 || pimldp->cy <= 0)
{
// caller asked to draw no (or negative) pixels; that's easy!
// Early-out this case so other parts of the drawing
// don't get confused.
goto exit;
}
if (pimldp->fStyle & ILD_DPISCALE)
{
CCDPIScaleX(&pimldp->cx);
CCDPIScaleY(&pimldp->cy);
fDPIScale = TRUE;
}
fStretch = (pimldp->fStyle & ILD_SCALE) || (fDPIScale);
if (fStretch)
{
dwOldStretchBltMode = SetStretchBltMode(pimldp->hdcDst, HALFTONE);
}
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
HDC hdcT = ImageList_GetWorkDC(pimldp->hdcDst, (_flags & ILC_COLORMASK) == ILC_COLOR32, pimldp->cx, pimldp->cy);
if (hdcT)
{
hdcImageI = hdcT;
xImage = 0;
yImage = 0;
//
// blend with the destination
// by "oring" the mask with a 50% dither mask
//
if (pimldp->rgbFg == CLR_NONE && hdcMaskI)
{
fImageHasAlpha = FALSE;
if ((_flags & ILC_COLORMASK) == ILC_COLOR32 &&
!(pimldp->fStyle & ILD_MASK))
{
// copy dest to our work buffer
_StretchBlt(fStretch, hdcImageI, 0, 0, pimldp->cx, pimldp->cy, pimldp->hdcDst, pimldp->x, pimldp->y, cxSource, cySource, SRCCOPY);
Blend32(hdcImageI, 0, 0, pimldp->i, pimldp->cx, pimldp->cy, pimldp->rgbFg, pimldp->fStyle);
}
else if ((_flags & ILC_COLORMASK) == ILC_COLOR16 &&
!(pimldp->fStyle & ILD_MASK))
{
// copy dest to our work buffer
_StretchBlt(fStretch, hdcImageI, 0, 0, pimldp->cx, pimldp->cy, pimldp->hdcDst, pimldp->x, pimldp->y, cxSource, cySource, SRCCOPY);
// blend source into our work buffer
Blend16(hdcImageI, 0, 0, pimldp->i, pimldp->cx, pimldp->cy, pimldp->rgbFg, pimldp->fStyle);
pimldp->fStyle |= ILD_TRANSPARENT;
}
else
{
GetSpareImageRect(&rc);
xMask = rc.left;
yMask = rc.top;
// copy the source image
_StretchBlt(fStretch, hdcImageI, 0, 0, pimldp->cx, pimldp->cy,
_hdcImage, rcImage.left, rcImage.top, cxSource, cySource, SRCCOPY);
// make a dithered copy of the mask
hbrT = (HBRUSH)SelectObject(hdcMaskI, g_hbrMonoDither);
_StretchBlt(fStretch, hdcMaskI, rc.left, rc.top, pimldp->cx, pimldp->cy,
_hdcMask, rcImage.left, rcImage.top, cxSource, cySource, ROP_PSo);
SelectObject(hdcMaskI, hbrT);
pimldp->fStyle |= ILD_TRANSPARENT;
}
}
else
{
// blend source into our work buffer
if (Blend(hdcImageI, 0, 0, pimldp->i, pimldp->cx, pimldp->cy, pimldp->rgbFg, pimldp->fStyle))
{
fImageHasAlpha = (_flags & ILC_COLORMASK) == ILC_COLOR32;
}
}
}
}
// is the source image from the image list (not hdcWork)
fImage = hdcImageI == _hdcImage;
if (pimldp->cbSize >= sizeof(IMAGELISTDRAWPARAMS) &&
pimldp->fState & ILS_GLOW ||
pimldp->fState & ILS_SHADOW ||
pimldp->fState & ILS_SATURATE ||
pimldp->fState & ILS_ALPHA)
{
int z;
ULONG* pvBits;
HDC hdcMem = CreateCompatibleDC(pimldp->hdcDst);
HBITMAP hbmpOld;
HBITMAP hbmp;
BITMAPINFO bi = {0};
BLENDFUNCTION bf = {0};
DWORD dwAlphaAmount = 0x000000ff;
COLORREF crAlphaColor = pimldp->crEffect; // Need to make this a selectable color
int x, y;
int xOffset, yOffset;
SIZE size = {cxSource, cySource};
if (hdcMem)
{
if (pimldp->fState & ILS_SHADOW)
{
x = 5; // This is a "Blur fudge Factor"
y = 5; //
xOffset = -(DROP_SHADOW - x);
yOffset = -(DROP_SHADOW - y);
size.cx = pimldp->cx + 10;
size.cy = pimldp->cy + 10;
dwAlphaAmount = 0x00000050;
crAlphaColor = RGB(0, 0, 0);
}
else if (pimldp->fState & ILS_GLOW)
{
xOffset = x = 10;
yOffset = y = 10;
size.cx = pimldp->cx + (GLOW_RADIUS * 2);
size.cy = pimldp->cy + (GLOW_RADIUS * 2);
}
else if (pimldp->fState & ILS_ALPHA)
{
xOffset = x = 0;
yOffset = y = 0;
size.cx = pimldp->cx;
size.cy = pimldp->cy;
}
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = size.cx;
bi.bmiHeader.biHeight = size.cy;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
hbmp = CreateDIBSection(hdcMem, &bi, DIB_RGB_COLORS, (VOID**)&pvBits, NULL, 0);
if (hbmp)
{
hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmp);
ZeroMemory(pvBits, size.cx * size.cy);
if (pimldp->fState & ILS_SHADOW || pimldp->fState & ILS_GLOW || pimldp->fState & ILS_ALPHA)
{
if (_hbmMask)
{
MaskBlt(hdcMem, pimldp->x, pimldp->y, size.cx, size.cy,
hdcImageI, xImage, yImage, _hbmMask, xMask, yMask, 0xCCAA0000);
}
else if (pimldp->fState & ILS_SHADOW)
{
RECT rc = {x, y, size.cx, size.cy};
FillRectClr(hdcMem, &rc, RGB(0x0F, 0x0F, 0x0F)); // White so that it gets inverted into a shadow
}
else
{
BitBlt(hdcMem, x, y, size.cx, size.cy, hdcImageI, xImage, yImage, SRCCOPY);
}
int iTotalSize = size.cx * size.cy;
if (pimldp->fState & ILS_ALPHA)
{
for (z = 0; z < iTotalSize; z++)
{
RGBQUAD* prgb = &((RGBQUAD*)pvBits)[z];
prgb->rgbReserved = (BYTE)(pimldp->Frame & 0xFF);
prgb->rgbRed = ((prgb->rgbRed * prgb->rgbReserved) + 128) / 255;
prgb->rgbGreen = ((prgb->rgbGreen * prgb->rgbReserved) + 128) / 255;
prgb->rgbBlue = ((prgb->rgbBlue * prgb->rgbReserved) + 128) / 255;
}
}
else
{
for (z = 0; z < iTotalSize; z++)
{
if (((PULONG)pvBits)[z] != 0)
((PULONG)pvBits)[z] = dwAlphaAmount;
}
BlurBitmap(pvBits, size.cx, size.cy, crAlphaColor);
if (!(pimldp->fState & ILS_SHADOW))
{
for (z = 0; z < iTotalSize; z++)
{
if (((PULONG)pvBits)[z] > 0x09000000)
((PULONG)pvBits)[z] = dwAlphaAmount;
}
BlurBitmap(pvBits, size.cx, size.cy, crAlphaColor);
BlurBitmap(pvBits, size.cx, size.cy, crAlphaColor);
}
}
bf.BlendOp = AC_SRC_OVER;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
bf.BlendFlags = fDPIScale?AC_USE_HIGHQUALITYFILTER:0;
// Do not mirror the bitmap. By this point it is correctly mirrored
GdiAlphaBlend(pimldp->hdcDst, pimldp->x - xOffset, pimldp->y - yOffset, pimldp->cx, pimldp->cy,
hdcMem, 0, 0, size.cx, size.cy, bf);
}
else
{
BitBlt(hdcMem, 0, 0, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, SRCCOPY);
TrueSaturateBits(pvBits, pimldp->Frame, size.cx, size.cy);
if (fImageHasAlpha)
{
bf.BlendOp = AC_SRC_OVER;
bf.SourceConstantAlpha = 150;
bf.AlphaFormat = AC_SRC_ALPHA;
// Do not mirror the bitmap. By this point it is correctly mirrored
GdiAlphaBlend(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcMem, 0, 0, cxSource, cySource, bf);
}
else if (_hbmMask)
{
_MaskStretchBlt(fStretch, -1, hdcMem, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy,
hdcMem, 0, 0, cxSource, cySource, xMask, yMask, 0xCCAA0000);
}
else
{
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcMem, 0, 0, cxSource,cySource, SRCCOPY);
}
}
SelectObject(hdcMem, hbmpOld);
DeleteObject(hbmp);
pimldp->fStyle |= ILD_TRANSPARENT;
}
DeleteDC(hdcMem);
}
if (pimldp->fState & ILS_SHADOW || pimldp->fState & ILS_GLOW)
{
if (pimldp->fState & ILS_SHADOW)
{
pimldp->fState &= ~ILS_SHADOW;
//pimldp->x -= DROP_SHADOW;
//pimldp->y -= DROP_SHADOW;
}
else
{
pimldp->fState &= ~ILS_GLOW;
}
goto again;
}
}
else 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;
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcMaskI, xMask, yMask, cxSource, cySource, dwRop);
}
else if (fImageHasAlpha && // this image has alpha
!(pimldp->fStyle & ILD_PRESERVEALPHA)) // But not if we're trying to preserve it.
{
if (!(pimldp->fStyle & ILD_TRANSPARENT))
{
COLORREF clr = pimldp->rgbBk;
if (clr == CLR_DEFAULT)
clr = _clrBk;
RECT rc = {pimldp->x, pimldp->y, pimldp->x + pimldp->cx, pimldp->y + pimldp->cy};
FillRectClr(pimldp->hdcDst, &rc, clr);
}
BLENDFUNCTION bf = {0};
bf.BlendOp = AC_SRC_OVER;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
bf.BlendFlags = AC_MIRRORBITMAP | (fDPIScale?AC_USE_HIGHQUALITYFILTER:0);
GdiAlphaBlend(pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, cxSource, cySource, bf);
}
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;
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, cxSource, cySource, dwRop);
::SetBkColor(hdcImageI, clrBk);
}
else if ((pimldp->fStyle & ILD_TRANSPARENT) && hdcMaskI)
{
_MaskStretchBlt(fStretch, fImage?pimldp->i:-1,pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy,
hdcImageI, xImage, yImage, cxSource, cySource, xMask, yMask, 0xCCAA0000);
}
else if (fImage && pimldp->rgbBk == _clrBk && _fSolidBk)
{
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, cxSource, cySource, SRCCOPY);
}
else if (hdcMaskI && !fImageHasAlpha)
{
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, (_flags & ILC_COLORMASK) == ILC_COLOR32, 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);
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, cxSource, cySource, SRCCOPY);
if (fImage)
_ResetBkColor(pimldp->i, pimldp->i, _clrBk);
}
else
{
_StretchBlt(fStretch, pimldp->hdcDst, pimldp->x, pimldp->y, pimldp->cx, pimldp->cy, hdcImageI, xImage, yImage, cxSource, cySource, 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];
if (!fImageHasAlpha)
pimldp->fStyle &= ~ILD_PRESERVEALPHA;
if (pimldp->fStyle & ILD_PRESERVEALPHA &&
!(_GetItemFlags(pimldp->i) & ILIF_ALPHA))
{
_GenerateAlphaForImageUsingMask(pimldp->i, FALSE);
}
fImageHasAlpha = (_GetItemFlags(pimldp->i) & ILIF_ALPHA);
GetImageRect(pimldp->i, &rcImage);
int xOverlay = _aOverlayX[n];
int yOverlay = _aOverlayY[n];
int cxOverlay = _aOverlayDX[n];
int cyOverlay = _aOverlayDY[n];
if (fDPIScale)
{
CCDPIScaleX(&xOverlay );
CCDPIScaleY(&yOverlay );
}
pimldp->cx = cxOverlay;
pimldp->cy = cyOverlay;
pimldp->x += xOverlay;
pimldp->y += yOverlay;
rcImage.left += _aOverlayX[n] + pimldp->xBitmap;
rcImage.top += _aOverlayY[n] + pimldp->yBitmap;
rcImage.right = rcImage.left + _aOverlayDX[n];
rcImage.bottom = rcImage.top + _aOverlayDY[n];
pimldp->fStyle &= ILD_MASK;
pimldp->fStyle |= ILD_TRANSPARENT;
pimldp->fStyle |= (fDPIScale?ILD_DPISCALE:0);
pimldp->fStyle |= _aOverlayF[n];
if (fImageHasAlpha)
pimldp->fStyle &= ~(ILD_IMAGE);
if (pimldp->cx > 0 && pimldp->cy > 0)
goto again;
}
}
if (!fImage)
{
ImageList_ReleaseWorkDC(hdcImageI);
}
exit:
SetStretchBltMode(pimldp->hdcDst, dwOldStretchBltMode);
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;
TraceMsg(TF_IMAGELIST, "ImageList_ReplaceIcon");
*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)
goto exit;
ENTERCRITICAL;
//
// now draw it into the image bitmaps
//
hr = GetImageRect(i, &rc);
if (FAILED(hr))
goto LeaveCritical;
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
BOOL fSuccess = FALSE;
ICONINFO io;
if (GetIconInfo(hIcon, &io))
{
BITMAP bm;
if (GetObject(io.hbmColor, sizeof(bm), &bm))
{
if (bm.bmBitsPixel == 32)
{
HDC h = CreateCompatibleDC(_hdcImage);
if (h)
{
HBITMAP hbmpOld = (HBITMAP)SelectObject(h, io.hbmColor);
BitBlt(_hdcImage, rc.left, rc.top, RECTWIDTH(rc), RECTHEIGHT(rc), h, 0, 0, SRCCOPY);
if (_HasAlpha(i))
{
SetItemFlags(i, ILIF_ALPHA);
_PreProcessImage(i);
fSuccess = TRUE;
}
SelectObject(h, hbmpOld);
DeleteDC(h);
}
}
}
DeleteObject(io.hbmColor);
DeleteObject(io.hbmMask);
}
if (!fSuccess)
{
// If it doesn't have alpha or we can't get info
SetItemFlags(i, 0);
}
}
if (_GetItemFlags(i) == 0)
{
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);
hr = S_OK;
*pi = i;
LeaveCritical:
LEAVECRITICAL;
exit:
//
// if we had user size a new icon, delete it.
//
if (hIcon != hIconT)
DestroyIcon(hIcon);
return hr;
}
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);
}
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
{
SetItemFlags(iDst, _HasAlpha(iDst)?ILIF_ALPHA:0);
}
_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;
}
HBITMAP CImageList::_CopyDIBBitmap(HBITMAP hbm, HDC hdc, RGBQUAD** ppargb)
{
ASSERT(hbm);
BITMAP bm;
HBITMAP hbmCopy = NULL;
if (GetObject(hbm, sizeof(bm), &bm) == sizeof(bm))
{
ENTERCRITICAL;
hbmCopy = _CreateBitmap(bm.bmWidth, bm.bmHeight, ppargb);
if (hbmCopy)
{
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;
RGBQUAD* pargbImageI;
HDSA dsaFlags = NULL;
HRESULT hr = S_OK;
CImageList* pimlCopy = NULL;
*ppv = NULL;
ENTERCRITICAL;
hbmImageI = _CopyDIBBitmap(_hbmImage, _hdcImage, &pargbImageI);
if (!hbmImageI)
hr = E_OUTOFMEMORY;
if (SUCCEEDED(hr))
{
if (_hdcMask)
{
hbmMaskI = _CopyBitmap(_hbmMask, _hdcMask);
if (!hbmMaskI)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr) && (_flags & ILC_COLORMASK) == ILC_COLOR32)
{
dsaFlags = DSA_Create(sizeof(DWORD), _cGrow);
if (dsaFlags)
{
DWORD dw;
for (int i = 0; i < _cImage; i++)
{
DSA_GetItem(_dsaFlags, i, &dw);
if (!DSA_SetItem(dsaFlags, i, &dw))
{
hr = E_OUTOFMEMORY;
break;
}
}
}
}
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);
}
if (pimlCopy->_dsaFlags)
DSA_Destroy(pimlCopy->_dsaFlags);
pimlCopy->_dsaFlags = dsaFlags;
pimlCopy->_hbmImage = hbmImageI;
pimlCopy->_pargbImage = pargbImageI;
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 (dsaFlags)
DSA_Destroy(dsaFlags);
}
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);
UINT uFlags = 0;
puxp->GetFlags(&uFlags);
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 | ILD_PRESERVEALPHA);
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
SetItemFlags(i, _HasAlpha(i)? ILIF_ALPHA : 0);
}
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 || c1 == 32) && c2 == ILC_COLORDDB)
{
c2 = c1;
}
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::GetImageRectInverted(int i, RECT * prcImage)
{
int x, y;
ASSERT(prcImage);
ASSERT(_cStrip == 1); // If not, modify below to accomodate
if (!prcImage || !IsImageListIndex(i))
return E_FAIL;
x = 0;
y = (_cy * _cAlloc) - (_cy * i) - _cy;
SetRect(prcImage, x, y, x + _cx, y + _cy);
return S_OK;
}
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 = FALSE;
if (_cImage < _cAlloc)
{
// special hacking to use the one scratch image at tail of list :)
_cImage++;
fRet = (S_OK == GetImageRect(_cImage-1, prcImage));
_cImage--;
}
return fRet;
}
BOOL CImageList::GetSpareImageRectInverted(RECT * prcImage)
{
BOOL fRet = FALSE;
if (_cImage < _cAlloc)
{
// special hacking to use the one scratch image at tail of list :)
_cImage++;
fRet = (S_OK == GetImageRectInverted(_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);
if ((_flags & ILC_COLORMASK) == ILC_COLOR32)
SetItemFlags(iDst, _HasAlpha(iDst)? ILIF_ALPHA : 0);
}
//
// 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)
{
UINT uColorFlag = ILC_COLOR16;
if (GetScreenDepth() == 32 || GetScreenDepth() == 24)
{
uColorFlag = ILC_COLOR32;
}
newflags = (newflags & ~ILC_COLORMASK) | uColorFlag;
}
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)? S_OK : E_FAIL;
}
}
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)
{
if (IsImageListIndex(i) && _dsaFlags)
{
*dwFlags = _GetItemFlags(i);
return S_OK;
}
return E_INVALIDARG;
}
HRESULT CImageList::GetOverlayImage(int iOverlay, int* piIndex)
{
if (iOverlay <= 0 || iOverlay >= NUM_OVERLAY_IMAGES)
return E_INVALIDARG;
*piIndex = _aOverlayIndexes[iOverlay - 1];
return S_OK;
}
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_LoadImageW(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;
}
WINCOMMCTRLAPI HRESULT WINAPI ImageList_ReadEx(DWORD dwFlags, LPSTREAM pstm, REFIID riid, PVOID* ppv)
{
HRESULT hr = E_OUTOFMEMORY;
CImageList* piml = new CImageList();
if (piml)
{
hr = piml->LoadEx(dwFlags, pstm);
if (SUCCEEDED(hr))
{
hr = piml->QueryInterface(riid, ppv);
}
piml->Release();
}
return hr;
}
WINCOMMCTRLAPI HRESULT WINAPI ImageList_WriteEx(HIMAGELIST himl, DWORD dwFlags, LPSTREAM pstm)
{
IImageListPersistStream* pps;
HRESULT hr = HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageListPersistStream, &pps));
if (SUCCEEDED(hr))
{
hr = pps->SaveEx(dwFlags, pstm);
pps->Release();
}
return hr;
}
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;
}
// Note: no distinction between failure case (bad himl) and no flags set
DWORD WINAPI ImageList_GetItemFlags(HIMAGELIST himl, int i)
{
DWORD dwFlags = 0;
if (himl)
{
IImageList* pux;
if (SUCCEEDED(HIMAGELIST_QueryInterface(himl, IID_PPV_ARG(IImageList, &pux))))
{
pux->GetItemFlags(i, &dwFlags);
pux->Release();
}
}
return dwFlags;
}
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 *cx, int *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* 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;
}