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gdi32: GetObject() should return the DIB's absolute height in dsBmih.biHeight.

This commit is contained in:
Henri Verbeet 2010-03-01 12:39:56 +01:00 committed by Alexandre Julliard
parent 96e4a33b65
commit 9ab004d56a
2 changed files with 15 additions and 5 deletions
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4
dlls/gdi32/bitmap.c
View File

@ -678,7 +678,9 @@ static INT BITMAP_GetObject( HGDIOBJ handle, INT count, LPVOID buffer )
{
if (count >= sizeof(DIBSECTION))
{
memcpy( buffer, bmp->dib, sizeof(DIBSECTION) );
DIBSECTION *dib = buffer;
*dib = *bmp->dib;
dib->dsBmih.biHeight = abs( dib->dsBmih.biHeight );
ret = sizeof(DIBSECTION);
}
else /* if (count >= sizeof(BITMAP)) */

16
dlls/gdi32/tests/bitmap.c
View File

@ -301,7 +301,7 @@ static void test_dib_info(HBITMAP hbm, const void *bits, const BITMAPINFOHEADER
ok(bm.bmType == 0, "wrong bm.bmType %d\n", bm.bmType);
ok(bm.bmWidth == bmih->biWidth, "wrong bm.bmWidth %d\n", bm.bmWidth);
ok(bm.bmHeight == bmih->biHeight, "wrong bm.bmHeight %d\n", bm.bmHeight);
ok(bm.bmHeight == abs(bmih->biHeight), "wrong bm.bmHeight %d\n", bm.bmHeight);
dib_width_bytes = DIB_GetWidthBytes(bm.bmWidth, bm.bmBitsPixel);
bm_width_bytes = BITMAP_GetWidthBytes(bm.bmWidth, bm.bmBitsPixel);
if (bm.bmWidthBytes != dib_width_bytes) /* Win2k bug */
@ -332,7 +332,7 @@ static void test_dib_info(HBITMAP hbm, const void *bits, const BITMAPINFOHEADER
ret = GetObject(hbm, sizeof(*bma) * 2, bma);
ok(ret == sizeof(*bma) || broken(ret == sizeof(*bma) * 2 /* Win9x */), "wrong size %d\n", ret);
ok(bm.bmWidth == bmih->biWidth, "wrong bm.bmWidth %d\n", bm.bmWidth);
ok(bm.bmHeight == bmih->biHeight, "wrong bm.bmHeight %d\n", bm.bmHeight);
ok(bm.bmHeight == abs(bmih->biHeight), "wrong bm.bmHeight %d\n", bm.bmHeight);
ok(bm.bmBits == bits, "wrong bm.bmBits %p != %p\n", bm.bmBits, bits);
ret = GetObject(hbm, sizeof(bm) / 2, &bm);
@ -364,7 +364,7 @@ static void test_dib_info(HBITMAP hbm, const void *bits, const BITMAPINFOHEADER
ok(ds.dsBmih.biSize == bmih->biSize, "%u != %u\n", ds.dsBmih.biSize, bmih->biSize);
ok(ds.dsBmih.biWidth == bmih->biWidth, "%d != %d\n", ds.dsBmih.biWidth, bmih->biWidth);
ok(ds.dsBmih.biHeight == bmih->biHeight, "%d != %d\n", ds.dsBmih.biHeight, bmih->biHeight);
ok(ds.dsBmih.biHeight == abs(bmih->biHeight), "%d != %d\n", ds.dsBmih.biHeight, abs(bmih->biHeight));
ok(ds.dsBmih.biPlanes == bmih->biPlanes, "%u != %u\n", ds.dsBmih.biPlanes, bmih->biPlanes);
ok(ds.dsBmih.biBitCount == bmih->biBitCount, "%u != %u\n", ds.dsBmih.biBitCount, bmih->biBitCount);
ok(ds.dsBmih.biCompression == bmih->biCompression, "%u != %u\n", ds.dsBmih.biCompression, bmih->biCompression);
@ -376,7 +376,7 @@ static void test_dib_info(HBITMAP hbm, const void *bits, const BITMAPINFOHEADER
ret = GetObject(hbm, sizeof(ds) - 4, &ds);
ok(ret == sizeof(ds.dsBm) || broken(ret == (sizeof(ds) - 4) /* Win9x */), "wrong size %d\n", ret);
ok(ds.dsBm.bmWidth == bmih->biWidth, "%d != %d\n", ds.dsBmih.biWidth, bmih->biWidth);
ok(ds.dsBm.bmHeight == bmih->biHeight, "%d != %d\n", ds.dsBmih.biHeight, bmih->biHeight);
ok(ds.dsBm.bmHeight == abs(bmih->biHeight), "%d != %d\n", ds.dsBmih.biHeight, abs(bmih->biHeight));
ok(ds.dsBm.bmBits == bits, "%p != %p\n", ds.dsBm.bmBits, bits);
ret = GetObject(hbm, 0, &ds);
@ -525,6 +525,14 @@ static void test_dibsections(void)
test_dib_info(hdib, bits, &pbmi->bmiHeader);
DeleteObject(hdib);
/* Test a top-down DIB. */
pbmi->bmiHeader.biHeight = -100;
hdib = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
ok(hdib != NULL, "CreateDIBSection error %d\n", GetLastError());
test_dib_info(hdib, bits, &pbmi->bmiHeader);
DeleteObject(hdib);
pbmi->bmiHeader.biHeight = 100;
pbmi->bmiHeader.biBitCount = 8;
pbmi->bmiHeader.biCompression = BI_RLE8;
SetLastError(0xdeadbeef);