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comctl32/tests: Add tests for alpha channel of imagelist. 

Signed-off-by: Ziqing Hui <zhui@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ziqing Hui 2020-03-02 10:30:44 +08:00 committed by Alexandre Julliard
parent 504cf18e19
commit 5784343db8
1 changed files with 70 additions and 0 deletions
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70
dlls/comctl32/tests/imagelist.c
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@ -63,6 +63,7 @@ typedef struct _ILHEAD
static HIMAGELIST (WINAPI *pImageList_Create)(int, int, UINT, int, int);
static BOOL (WINAPI *pImageList_Destroy)(HIMAGELIST);
static int (WINAPI *pImageList_Add)(HIMAGELIST, HBITMAP, HBITMAP);
static int (WINAPI *pImageList_AddMasked)(HIMAGELIST, HBITMAP, COLORREF);
static BOOL (WINAPI *pImageList_DrawIndirect)(IMAGELISTDRAWPARAMS*);
static BOOL (WINAPI *pImageList_SetImageCount)(HIMAGELIST,UINT);
static HRESULT (WINAPI *pImageList_CoCreateInstance)(REFCLSID,const IUnknown *,
@ -2260,6 +2261,73 @@ static void test_loadimage(void)
pImageList_Destroy( list );
}
#define GetAValue(argb) ((BYTE) ((argb) >> 24))
static void get_image_alpha(HIMAGELIST himl, int index, int width, int height, UINT32 *alpha)
{
int i;
HBITMAP hbm_dst;
void *bitmap_bits;
BITMAPINFO bitmap_info = {{sizeof(BITMAPINFOHEADER), width, height, 1, 32, BI_RGB, 0, 0, 0, 0, 0}};
HDC hdc_dst = CreateCompatibleDC(0);
hbm_dst = CreateDIBSection(hdc_dst, &bitmap_info, DIB_RGB_COLORS, &bitmap_bits, NULL, 0);
SelectObject(hdc_dst, hbm_dst);
pImageList_Draw(himl, index, hdc_dst, 0, 0, ILD_TRANSPARENT);
memcpy(alpha, bitmap_bits, (size_t)(width * height * 32 / 8));
for (i = 0; i < width * height; i++)
alpha[i] = GetAValue(alpha[i]);
DeleteObject(hbm_dst);
DeleteDC(hdc_dst);
}
static void test_alpha(void)
{
/* each line is a 2*1 bitmap */
const static UINT32 test_bitmaps[] =
{
0x00654321, 0x00ABCDEF,
0x00654321, 0xFFABCDEF,
0x00654321, 0x89ABCDEF,
0xFF654321, 0x00ABCDEF,
0xFF654321, 0xFFABCDEF,
0xFF654321, 0x89ABCDEF,
0x87654321, 0x00ABCDEF,
0x87654321, 0xFFABCDEF,
0x87654321, 0x89ABCDEF
};
int i, ret;
HDC hdc;
HBITMAP hbm_test;
HIMAGELIST himl;
UINT32 alpha[2];
hdc = CreateCompatibleDC(0);
himl = pImageList_Create(2, 1, ILC_COLOR32 | ILC_MASK, 0, 10);
for (i = 0; i < ARRAY_SIZE(test_bitmaps); i += 2)
{
hbm_test = create_test_bitmap(hdc, 32, test_bitmaps[i], test_bitmaps[i + 1]);
ret = pImageList_AddMasked(himl, hbm_test, CLR_NONE);
ok(ret == i / 2, "ImageList_AddMasked returned %d, expected %d\n", ret, i / 2);
DeleteObject(hbm_test);
get_image_alpha(himl, i / 2, 2, 1, alpha);
todo_wine_if(i == 0)
ok(alpha[0] == GetAValue(test_bitmaps[i]) && alpha[1] == GetAValue(test_bitmaps[i + 1]),
"Bitmap [%08X, %08X] returned alpha value [%02X, %02X], expected [%02X, %02X]\n",
test_bitmaps[i], test_bitmaps[i + 1], alpha[0], alpha[1],
GetAValue(test_bitmaps[i]), GetAValue(test_bitmaps[i + 1]));
}
pImageList_Destroy(himl);
DeleteDC(hdc);
}
static void test_IImageList_Clone(void)
{
IImageList *imgl, *imgl2;
@ -2391,6 +2459,7 @@ static void init_functions(void)
X(ImageList_Create);
X(ImageList_Destroy);
X(ImageList_Add);
X(ImageList_AddMasked);
X(ImageList_DrawIndirect);
X(ImageList_SetImageCount);
X(ImageList_SetImageCount);
@ -2461,6 +2530,7 @@ START_TEST(imagelist)
test_color_table(ILC_COLOR8);
test_copy();
test_loadimage();
test_alpha();
test_ImageList_DrawIndirect();
test_shell_imagelist();