comctl32: Only support an alpha channel for 32-bpp DIB-based imagelists.
This commit is contained in:
parent
eb3c81fd69
commit
95c529dee6
|
@ -153,8 +153,9 @@ static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
|
|||
|
||||
if (!GetObjectW( hbmImage, sizeof(bm), &bm )) return FALSE;
|
||||
|
||||
/* if neither the imagelist nor the source bitmap can have an alpha channel, bail out now */
|
||||
if (himl->uBitsPixel != 32 && bm.bmBitsPixel != 32) return FALSE;
|
||||
/* if either the imagelist or the source bitmap don't have an alpha channel, bail out now */
|
||||
if (!himl->has_alpha) return FALSE;
|
||||
if (bm.bmBitsPixel != 32) return FALSE;
|
||||
|
||||
SelectObject( hdc, hbmImage );
|
||||
mask_width = (bm.bmWidth + 31) / 32 * 4;
|
||||
|
@ -208,7 +209,7 @@ static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
|
|||
}
|
||||
else
|
||||
{
|
||||
if (himl->has_alpha) himl->has_alpha[pos + n] = 1;
|
||||
himl->has_alpha[pos + n] = 1;
|
||||
|
||||
if (mask_info && himl->hbmMask) /* generate the mask from the alpha channel */
|
||||
{
|
||||
|
@ -751,7 +752,7 @@ ImageList_Create (INT cx, INT cy, UINT flags,
|
|||
else
|
||||
himl->hbmMask = 0;
|
||||
|
||||
if (himl->uBitsPixel == 32)
|
||||
if (ilc == ILC_COLOR32)
|
||||
himl->has_alpha = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->cMaxImage );
|
||||
else
|
||||
himl->has_alpha = NULL;
|
||||
|
@ -1204,7 +1205,7 @@ static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int des
|
|||
}
|
||||
}
|
||||
|
||||
if (himl->uBitsPixel == 32) /* we already have an alpha channel in this case */
|
||||
if (himl->has_alpha) /* we already have an alpha channel in this case */
|
||||
{
|
||||
/* pre-multiply by the alpha channel */
|
||||
for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
|
||||
|
@ -2515,7 +2516,7 @@ ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
|
|||
if (hdcImage == 0)
|
||||
ERR("invalid hdcImage!\n");
|
||||
|
||||
if (himl->uBitsPixel == 32)
|
||||
if (himl->has_alpha)
|
||||
{
|
||||
if (!ii.hbmColor)
|
||||
{
|
||||
|
@ -2525,13 +2526,13 @@ ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
|
|||
SelectObject( hdcImage, color );
|
||||
SelectObject( hdcMask, ii.hbmMask );
|
||||
BitBlt( hdcImage, 0, 0, bmp.bmWidth, height, hdcMask, 0, height, SRCCOPY );
|
||||
add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, height, color, ii.hbmMask );
|
||||
ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, height, color, ii.hbmMask );
|
||||
DeleteDC( hdcMask );
|
||||
DeleteObject( color );
|
||||
if (ret) goto done;
|
||||
}
|
||||
else add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, bmp.bmHeight, ii.hbmColor, ii.hbmMask );
|
||||
|
||||
goto done;
|
||||
else if (add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, bmp.bmHeight,
|
||||
ii.hbmColor, ii.hbmMask )) goto done;
|
||||
}
|
||||
|
||||
imagelist_point_from_index(himl, nIndex, &pt);
|
||||
|
|
|
@ -2757,7 +2757,7 @@ TOOLBAR_CheckImageListIconSize(TOOLBAR_INFO *infoPtr)
|
|||
cx, cy, infoPtr->nBitmapWidth, infoPtr->nBitmapHeight);
|
||||
|
||||
himlNew = ImageList_Create(infoPtr->nBitmapWidth, infoPtr->nBitmapHeight,
|
||||
ILC_COLORDDB|ILC_MASK, 8, 2);
|
||||
ILC_COLOR32|ILC_MASK, 8, 2);
|
||||
for (i = 0; i < infoPtr->nNumBitmapInfos; i++)
|
||||
TOOLBAR_AddBitmapToImageList(infoPtr, himlNew, &infoPtr->bitmaps[i]);
|
||||
TOOLBAR_InsertImageList(&infoPtr->himlDef, &infoPtr->cimlDef, himlNew, 0);
|
||||
|
@ -2854,7 +2854,7 @@ TOOLBAR_AddBitmap (TOOLBAR_INFO *infoPtr, INT count, const TBADDBITMAP *lpAddBmp
|
|||
TRACE ("creating default image list!\n");
|
||||
|
||||
himlDef = ImageList_Create (infoPtr->nBitmapWidth, infoPtr->nBitmapHeight,
|
||||
ILC_COLORDDB | ILC_MASK, info.nButtons, 2);
|
||||
ILC_COLOR32 | ILC_MASK, info.nButtons, 2);
|
||||
TOOLBAR_InsertImageList(&infoPtr->himlDef, &infoPtr->cimlDef, himlDef, 0);
|
||||
infoPtr->himlInt = himlDef;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue