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Commit 1c2f9255 authored by Alexandre Julliard's avatar Alexandre Julliard
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gdi32: Fix StretchDIBits return value when destination is clipped.

parent 0773ed8d
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Showing with 46 additions and 22 deletions
dlls/gdi32/dib.c
View file @ 1c2f9255
......@@ -544,6 +544,9 @@ INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT he
src.visrect.bottom = height;
if (!intersect_rect( &src.visrect, &src.visrect, &rect )) goto done;
if (rop == SRCCOPY) ret = height;
else ret = src_info->bmiHeader.biHeight;
get_bounding_rect( &rect, dst.x, dst.y, dst.width, dst.height );
if (!clip_visrect( dc, &dst.visrect, &rect )) goto done;
......@@ -584,8 +587,6 @@ INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT he
if (!err) err = dev->funcs->pPutImage( dev, NULL, dst_info, &src_bits, &src, &dst, rop );
}
if (err) ret = 0;
else if (rop == SRCCOPY) ret = height;
else ret = src_info->bmiHeader.biHeight;
done:
if (src_bits.free) src_bits.free( &src_bits );
......
dlls/gdi32/tests/bitmap.c
View file @ 1c2f9255
......@@ -3353,12 +3353,13 @@ static void check_StretchDIBits_pixel(HDC hdcDst, UINT32 *dstBuffer, UINT32 *src
dwRop, expected, *dstBuffer, line);
}
static void check_StretchDIBits_stretch(HDC hdcDst, UINT32 *dstBuffer, UINT32 *srcBuffer,
static INT check_StretchDIBits_stretch( HDC hdcDst, UINT32 *dstBuffer, UINT32 *srcBuffer,
int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest,
int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc,
UINT32 expected[4], int line)
{
BITMAPINFO bitmapInfo;
INT ret;
memset(&bitmapInfo, 0, sizeof(BITMAPINFO));
bitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
......@@ -3369,9 +3370,9 @@ static void check_StretchDIBits_stretch(HDC hdcDst, UINT32 *dstBuffer, UINT32 *s
bitmapInfo.bmiHeader.biCompression = BI_RGB;
memset(dstBuffer, 0, 16);
StretchDIBits(hdcDst, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest,
nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
srcBuffer, &bitmapInfo, DIB_RGB_COLORS, SRCCOPY);
ret = StretchDIBits(hdcDst, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest,
nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
srcBuffer, &bitmapInfo, DIB_RGB_COLORS, SRCCOPY);
ok(memcmp(dstBuffer, expected, 16) == 0,
"StretchDIBits expected { %08X, %08X, %08X, %08X } got { %08X, %08X, %08X, %08X } "
"stretching { %d, %d, %d, %d } to { %d, %d, %d, %d } from line %d\n",
......@@ -3379,6 +3380,7 @@ static void check_StretchDIBits_stretch(HDC hdcDst, UINT32 *dstBuffer, UINT32 *s
dstBuffer[0], dstBuffer[1], dstBuffer[2], dstBuffer[3],
nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
nXOriginDest, nYOriginDest, nWidthDest, nHeightDest, line);
return ret;
}
static void test_StretchDIBits(void)
......@@ -3390,6 +3392,7 @@ static void test_StretchDIBits(void)
HBRUSH hBrush, hOldBrush;
BITMAPINFO biDst;
UINT32 expected[4];
INT ret;
memset(&biDst, 0, sizeof(BITMAPINFO));
biDst.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
......@@ -3435,43 +3438,63 @@ static void test_StretchDIBits(void)
expected[0] = 0xCAFED00D, expected[1] = 0xFEEDFACE;
expected[2] = 0xFEDCBA98, expected[3] = 0x76543210;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 0, 0, 2, 2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 0, 0, 2, 2, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
expected[0] = 0xCAFED00D, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 1, 1, 0, 0, 1, 1, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 1, 1, 0, 0, 1, 1, expected, __LINE__);
todo_wine ok( ret == 1, "got ret %d\n", ret );
expected[0] = 0xFEDCBA98, expected[1] = 0xFEDCBA98;
expected[2] = 0xFEDCBA98, expected[3] = 0xFEDCBA98;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 0, 0, 1, 1, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 0, 0, 1, 1, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
expected[0] = 0x42441000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 1, 1, 0, 0, 2, 2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 1, 1, 0, 0, 2, 2, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 1, 1, -2, -2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 1, 1, -2, -2, expected, __LINE__);
ok( ret == 0, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 1, 1, -2, -2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
0, 0, 2, 2, 1, 1, -2, -2, expected, __LINE__);
ok( ret == 0, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
1, 1, -2, -2, 1, 1, -2, -2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
1, 1, -2, -2, 1, 1, -2, -2, expected, __LINE__);
ok( ret == 0, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0xCAFED00D;
check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
1, 1, 2, 2, 0, 0, 2, 2, expected, __LINE__);
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
1, 1, 2, 2, 0, 0, 2, 2, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
2, 2, 4, 4, 0, 0, 2, 2, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
expected[0] = 0x00000000, expected[1] = 0x00000000;
expected[2] = 0x00000000, expected[3] = 0x00000000;
ret = check_StretchDIBits_stretch(hdcDst, dstBuffer, srcBuffer,
-4, -4, 4, 4, 0, 0, 4, 4, expected, __LINE__);
ok( ret == 2, "got ret %d\n", ret );
SelectObject(hdcDst, oldDst);
DeleteObject(bmpDst);
......
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