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Fixed off by one error in ImageList_DrawIndirect(). 

Fixed some missing NULL HIMAGELIST check (fixes Microsoft Works
startup).
This commit is contained in:
Andreas Mohr 2001-04-20 18:29:17 +00:00 committed by Alexandre Julliard
parent 8290c3e1e7
commit 641405a550
1 changed files with 17 additions and 31 deletions
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48
dlls/comctl32/imagelist.c
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@ -138,10 +138,10 @@ IMAGELIST_InternalExpandBitmaps (HIMAGELIST himl, INT nImageCount, INT cx, INT c
* nothing
*
* NOTES
* This functions is used by ImageList_DrawIndirect, when it is
* This function is used by ImageList_DrawIndirect, when it is
* required to draw only the Image (without the mask) to the screen.
*
* Blending and Overlays styles are accomplised by another function
* Blending and Overlays styles are accomplished by another function
*/
static VOID
IMAGELIST_InternalDraw(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
@ -165,7 +165,7 @@ IMAGELIST_InternalDraw(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
/*************************************************************************
* IMAGELIST_InternalDrawMask [Internal]
*
* Draws the image in the ImageList witht the mask
* Draws the image in the ImageList with the mask
*
* PARAMS
* pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
@ -176,29 +176,10 @@ IMAGELIST_InternalDraw(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
* nothing
*
* NOTES
* This functions is used by ImageList_DrawIndirect, when it is
* This function is used by ImageList_DrawIndirect, when it is
* required to draw the Image with the mask to the screen.
*
* Blending and Overlays styles are accomplised by another function.
*/
/*************************************************************************
* IMAGELIST_InternalDrawMask [Internal]
*
* Draws the image in the ImageList witht the mask
*
* PARAMS
* pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
* cx [I] the width of the image to display
* cy............[I] the height of the image to display
*
* RETURNS
* nothing
*
* NOTES
* This functions is used by ImageList_DrawIndirect, when it is
* required to draw the Image with the mask to the screen.
*
* Blending and Overlays styles are accomplised by another function.
* Blending and Overlays styles are accomplished by another function.
*/
static VOID
IMAGELIST_InternalDrawMask(IMAGELISTDRAWPARAMS *pimldp, INT cx, INT cy)
@ -670,9 +651,9 @@ ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
The statement below should not be done in common practice
but this is how ImageList_AddMasked works in Windows.
It overwrites the original bitmap passed, this was discovered
by using the same bitmap to itterated the different styles
by using the same bitmap to iterate the different styles
on windows where it failed (BUT ImageList_Add is OK)
This is here in case some apps really on this bug
This is here in case some apps rely on this bug
*/
BitBlt(hdcBitmap,
0, 0, bmp.bmWidth, bmp.bmHeight,
@ -788,7 +769,7 @@ ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
*
* NOTES
* Copying from one image list to another is possible. The original
* implementation just copies or swapps within one image list.
* implementation just copies or swaps within one image list.
* Could this feature become a bug??? ;-)
*/
@ -1308,8 +1289,8 @@ ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
return FALSE;
if (pimldp->himl == NULL)
return FALSE;
if ((pimldp->i < 0) || (pimldp->i > pimldp->himl->cCurImage)) {
ERR("%d not within range (max %d)\n",pimldp->i,pimldp->himl->cCurImage);
if ((pimldp->i < 0) || (pimldp->i >= pimldp->himl->cCurImage)) {
ERR("%d not within range (max %d)\n",pimldp->i,pimldp->himl->cCurImage-1);
return FALSE;
}
/*
@ -1708,8 +1689,8 @@ ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
*/
HIMAGELIST WINAPI
ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
COLORREF clrMask, UINT uType, UINT uFlags)
ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
COLORREF clrMask, UINT uType, UINT uFlags)
{
HIMAGELIST himl = NULL;
HANDLE handle;
@ -2169,6 +2150,11 @@ ImageList_Remove (HIMAGELIST himl, INT i)
HDC hdcSrc, hdcDst;
INT cxNew, nCount;
if (himl == NULL) {
ERR("Invalid image list handle!\n");
return FALSE;
}
if ((i < -1) || (i >= himl->cCurImage)) {
ERR("index out of range! %d\n", i);
return FALSE;