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comctl32/imagelist: Use proper color format for merged image lists.

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Daniel Jelinski 2013-02-27 21:47:43 +01:00 committed by Alexandre Julliard
parent a27ecc40ba
commit cb8ce94e4d
2 changed files with 70 additions and 1 deletions
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6
dlls/comctl32/imagelist.c
View file

@ -2082,6 +2082,7 @@ ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
INT cxDst, cyDst;
INT xOff1, yOff1, xOff2, yOff2;
POINT pt1, pt2;
INT newFlags;
TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
i2, dx, dy);
@ -2121,7 +2122,10 @@ ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
yOff2 = 0;
}
himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | ILC_COLOR, 1, 1);
newFlags = (himl1->flags > himl2->flags ? himl1->flags : himl2->flags) & ILC_COLORDDB;
if (newFlags == ILC_COLORDDB && (himl1->flags & ILC_COLORDDB) == ILC_COLOR16)
newFlags = ILC_COLOR16; /* this is what native (at least v5) does, don't know why */
himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | newFlags, 1, 1);
if (himlDst)
{

65
dlls/comctl32/tests/imagelist.c
View file

@ -492,6 +492,70 @@ static void test_DrawIndirect(void)
DestroyWindow(hwndfortest);
}
static int get_color_format(HBITMAP bmp)
{
BITMAPINFO bmi;
HDC hdc = CreateCompatibleDC(0);
HBITMAP hOldBmp = SelectObject(hdc, bmp);
int ret;
memset(&bmi, 0, sizeof(bmi));
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ret = GetDIBits(hdc, bmp, 0, 0, 0, &bmi, DIB_RGB_COLORS);
ok(ret, "GetDIBits failed\n");
SelectObject(hdc, hOldBmp);
DeleteDC(hdc);
return bmi.bmiHeader.biBitCount;
}
static void test_merge_colors(void)
{
HIMAGELIST himl[8], hmerge;
int sizes[] = { ILC_COLOR, ILC_COLOR | ILC_MASK, ILC_COLOR4, ILC_COLOR8, ILC_COLOR16, ILC_COLOR24, ILC_COLOR32, ILC_COLORDDB };
HICON hicon1;
IMAGEINFO info;
int bpp, i, j;
hicon1 = CreateIcon(hinst, 32, 32, 1, 1, icon_bits, icon_bits);
ok(hicon1 != NULL, "failed to create hicon1\n");
for (i = 0; i < 8; i++)
{
himl[i] = ImageList_Create(32, 32, sizes[i], 0, 3);
ok(himl[i] != NULL, "failed to create himl[%d]\n", i);
ok(0 == ImageList_AddIcon(himl[i], hicon1), "add icon1 to himl[%d] failed\n", i);
if (i == 0 || i == 1 || i == 7)
{
ImageList_GetImageInfo(himl[i], 0, &info);
sizes[i] = get_color_format(info.hbmImage);
}
}
DestroyIcon(hicon1);
for (i = 0; i < 8; i++)
for (j = 0; j < 8; j++)
{
hmerge = ImageList_Merge(himl[i], 0, himl[j], 0, 0, 0);
ok(hmerge != NULL, "merge himl[%d], himl[%d] failed\n", i, j);
ImageList_GetImageInfo(hmerge, 0, &info);
bpp = get_color_format(info.hbmImage);
/* ILC_COLOR[X] is defined as [X] */
if (i == 4 && j == 7)
ok(bpp == 16, /* merging ILC_COLOR16 with ILC_COLORDDB seems to be a special case */
"wrong biBitCount %d when merging lists %d (%d) and %d (%d)\n", bpp, i, sizes[i], j, sizes[j]);
else
ok(bpp == (i > j ? sizes[i] : sizes[j]),
"wrong biBitCount %d when merging lists %d (%d) and %d (%d)\n", bpp, i, sizes[i], j, sizes[j]);
ok(info.hbmMask != 0, "Imagelist merged from %d and %d had no mask\n", i, j);
if (hmerge) ImageList_Destroy(hmerge);
}
for (i = 0; i < 8; i++)
ImageList_Destroy(himl[i]);
}
static void test_merge(void)
{
HIMAGELIST himl1, himl2, hmerge;
@ -2017,6 +2081,7 @@ START_TEST(imagelist)
test_imagecount();
test_DrawIndirect();
test_merge();
test_merge_colors();
test_imagelist_storage();
test_iconsize();