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[COMCTL32] Improve failure cases.

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This commit is contained in:
Andreas Maier 2019-05-31 10:15:06 +02:00 committed by Mark Jansen
parent 68bcc2df7c
commit 49a797543f
1 changed files with 43 additions and 11 deletions
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54
dll/win32/comctl32/imagelist.c
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@ -1316,7 +1316,11 @@ static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int des
#endif
SelectObject( hdc, bmp );
#ifdef __REACTOS__
BitBlt( hdc, 0, 0, cx, cy, srce_dc, src_x, src_y, SRCCOPY );
if (!BitBlt( hdc, 0, 0, cx, cy, srce_dc, src_x, src_y, SRCCOPY ))
{
TRACE("BitBlt failed\n");
goto done;
}
#else
BitBlt( hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY );
#endif
@ -1372,10 +1376,27 @@ static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int des
info->bmiColors[1].rgbBlue = 0xff;
info->bmiColors[1].rgbReserved = 0;
if (!(mask = CreateDIBSection( himl->hdcMask, info, DIB_RGB_COLORS, &mask_bits, 0, 0 )))
{
TRACE("CreateDIBSection failed %i\n", GetLastError());
goto done;
SelectObject( hdc, mask );
BitBlt( hdc, 0, 0, cx, cy, himl->hdcMask, src_x, src_y, SRCCOPY );
SelectObject( hdc, bmp );
}
if (SelectObject(hdc, mask) == NULL)
{
TRACE("SelectObject failed %i\n", GetLastError());
SelectObject(hdc, bmp);
goto done;
}
if (!BitBlt(hdc, 0, 0, cx, cy, himl->hdcMask, src_x, src_y, SRCCOPY))
{
TRACE("BitBlt failed %i\n", GetLastError());
SelectObject(hdc, bmp);
goto done;
}
if (SelectObject(hdc, bmp) == NULL)
{
TRACE("SelectObject failed %i\n", GetLastError());
goto done;
}
for (i = 0, ptr = bits; i < cy; i++)
for (j = 0; j < cx; j++, ptr++)
if ((((BYTE *)mask_bits)[i * width_bytes + j / 8] << (j % 8)) & 0x80) *ptr = 0;
@ -1422,10 +1443,18 @@ HDC saturate_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int dest_y,
if (!(bmp = CreateDIBSection(himl->hdcImage, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
/* bind both surfaces */
SelectObject(hdc, bmp);
if (SelectObject(hdc, bmp) == NULL)
{
TRACE("SelectObject failed\n");
goto done;
}
/* copy into our dc the section that covers just the icon we we're asked for */
BitBlt(hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY);
if (!BitBlt(hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY))
{
TRACE("BitBlt failed!\n");
goto done;
}
/* loop every pixel of the bitmap */
for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
@ -1543,11 +1572,14 @@ ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
hdcSaturated = saturate_image(himl, pimldp->hdcDst, pimldp->x, pimldp->y,
pt.x, pt.y, cx, cy, pimldp->rgbFg);
hImageListDC = hdcSaturated;
/* shitty way of getting subroutines to blit at the right place (top left corner),
as our modified imagelist only contains a single image for performance reasons */
pt.x = 0;
pt.y = 0;
if (hdcSaturated != NULL)
{
hImageListDC = hdcSaturated;
/* shitty way of getting subroutines to blit at the right place (top left corner),
as our modified imagelist only contains a single image for performance reasons */
pt.x = 0;
pt.y = 0;
}
}
#endif