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user32/tests: Add test for 16 bit image stretch mode in CopyImage(). 

Signed-off-by: Paul Gofman <gofmanp@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2019-01-09 15:49:33 +03:00 committed by Alexandre Julliard
parent 5c8444093a
commit 75165d0da5
1 changed files with 23 additions and 1 deletions
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24
dlls/user32/tests/cursoricon.c
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@ -2758,13 +2758,19 @@ static COLORREF get_color_from_bits(const unsigned char *bits, const BITMAPINFO
unsigned int stride, shift, mask;
const unsigned char *data;
RGBQUAD color;
WORD color16;
ok(h->biBitCount <= 8 || h->biBitCount >= 24, "Unsupported bit count %u.\n", h->biBitCount);
stride = ((h->biBitCount * h->biWidth + 7) / 8 + 3) & ~3;
data = bits + row * stride + column * h->biBitCount / 8;
if (h->biBitCount >= 24)
return RGB(data[2], data[1], data[0]);
if (h->biBitCount == 16)
{
color16 = ((WORD)data[1] << 8) | data[0];
return RGB(((color16 >> 10) & 0x1f) << 3, ((color16 >> 5) & 0x1f) << 3,
(color16 & 0x1f) << 3);
}
shift = 8 - h->biBitCount - (column * h->biBitCount) % 8;
mask = ~(~0u << h->biBitCount);
color = bmi->bmiColors[(data[0] >> shift) & mask];
@ -2785,6 +2791,20 @@ static void test_CopyImage_StretchMode(void)
0x3f, 0xff, 0x00, 0x3f, 0xff, 0x3f, 0x00, 0x00,
0x3f, 0xff, 0x7f, 0x00, 0xff, 0x3f, 0x00, 0x00,
};
#define rgb16(r, g, b) ((WORD)(((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3)))
static const WORD test_bits_16[] =
{
rgb16(0x00, 0x20, 0x00), rgb16(0x00, 0x40, 0x00), rgb16(0x00, 0x40, 0xff), rgb16(0x00, 0x20, 0x00),
rgb16(0x00, 0x60, 0x00), rgb16(0xff, 0x80, 0x00), rgb16(0xff, 0x60, 0x00), rgb16(0x00, 0x80, 0x00),
rgb16(0x00, 0x20, 0xff), rgb16(0x00, 0x40, 0x00), rgb16(0x00, 0x40, 0xff), rgb16(0x00, 0x20, 0x00),
rgb16(0xff, 0x80, 0x00), rgb16(0x00, 0x60, 0xff), rgb16(0x00, 0x80, 0x00), rgb16(0x00, 0x60, 0x00),
};
static const WORD expected_bits_16[] =
{
rgb16(0x00, 0x40, 0x00), rgb16(0x00, 0x20, 0x00),
rgb16(0x00, 0x40, 0x00), rgb16(0x00, 0x20, 0x00),
};
#undef rgb16
static const unsigned char test_bits_8[] =
{
0x00, 0xff, 0x00, 0xff,
@ -2836,6 +2856,8 @@ static void test_CopyImage_StretchMode(void)
{4, 4, 2, 2, 8, test_bits_8, expected_bits_8,
sizeof(test_bits_8), sizeof(expected_bits_8), colors_bits_8,
sizeof(colors_bits_8), TRUE},
{4, 4, 2, 2, 16, (const unsigned char *)test_bits_16, (const unsigned char *)expected_bits_16,
sizeof(test_bits_16), sizeof(expected_bits_16), NULL, 0, TRUE},
};
HBITMAP bitmap, bitmap_copy;