Dmitry Timoshkov : gdi32: Slightly relax EMF record comparisons allowing rounding errors.
Module: wine Branch: master Commit: 8021a9d903e3559e5e1784ddd4a82756c2ced49c URL: http://source.winehq.org/git/wine.git/?a=commit;h=8021a9d903e3559e5e1784ddd4... Author: Dmitry Timoshkov <dmitry(a)codeweavers.com> Date: Wed May 21 21:54:29 2008 +0900 gdi32: Slightly relax EMF record comparisons allowing rounding errors. --- dlls/gdi32/tests/metafile.c | 53 +++++++++++++++++++++++++++++++----------- 1 files changed, 39 insertions(+), 14 deletions(-) diff --git a/dlls/gdi32/tests/metafile.c b/dlls/gdi32/tests/metafile.c index 78bbd8b..d7eda2d 100644 --- a/dlls/gdi32/tests/metafile.c +++ b/dlls/gdi32/tests/metafile.c @@ -976,7 +976,7 @@ static void dump_emf_record(const ENHMETARECORD *emr, const char *desc) } static BOOL match_emf_record(const ENHMETARECORD *emr1, const ENHMETARECORD *emr2, - const char *desc, BOOL todo) + const char *desc, BOOL ignore_scaling, BOOL todo) { int diff; @@ -1010,6 +1010,13 @@ static BOOL match_emf_record(const ENHMETARECORD *emr1, const ENHMETARECORD *emr /* contents of EMR_GDICOMMENT are not interesting */ if (emr1->iType == EMR_GDICOMMENT) return TRUE; + /* different Windows versions setup DC scaling differently when + * converting an old style metafile to an EMF. + */ + if (ignore_scaling && (emr1->iType == EMR_SETWINDOWEXTEX || + emr1->iType == EMR_SETVIEWPORTEXTEX)) + return TRUE; + diff = memcmp(emr1->dParm, emr2->dParm, emr1->nSize - sizeof(EMR)); if (diff && todo) { @@ -1035,7 +1042,8 @@ static BOOL match_emf_record(const ENHMETARECORD *emr1, const ENHMETARECORD *emr * otherwise returns the number of non-matching bytes. */ static int compare_emf_bits(const HENHMETAFILE mf, const unsigned char *bits, - UINT bsize, const char *desc, BOOL todo) + UINT bsize, const char *desc, + BOOL ignore_scaling, BOOL todo) { unsigned char buf[MF_BUFSIZE]; UINT mfsize, offset; @@ -1093,7 +1101,7 @@ static int compare_emf_bits(const HENHMETAFILE mf, const unsigned char *bits, trace("EMF record %u, size %u/record %u, size %u\n", emr1->iType, emr1->nSize, emr2->iType, emr2->nSize); - if (!match_emf_record(emr1, emr2, desc, todo)) return -1; + if (!match_emf_record(emr1, emr2, desc, ignore_scaling, todo)) return -1; offset += emr1->nSize; } @@ -1433,7 +1441,7 @@ static void test_emf_ExtTextOut_on_path(void) * are there, but their contents don't match for different reasons. */ if (compare_emf_bits(hMetafile, EMF_TEXTOUT_ON_PATH_BITS, sizeof(EMF_TEXTOUT_ON_PATH_BITS), - "emf_TextOut_on_path", TRUE) != 0) + "emf_TextOut_on_path", FALSE, TRUE) != 0) { dump_emf_bits(hMetafile, "emf_TextOut_on_path"); dump_emf_records(hMetafile, "emf_TextOut_on_path"); @@ -1488,6 +1496,15 @@ static void translate( POINT *pt, UINT count, const XFORM *xform ) } } +/* Compare rectangles allowing rounding errors */ +static BOOL is_equal_rect(const RECT *rc1, const RECT *rc2) +{ + return abs(rc1->left - rc2->left) <= 1 && + abs(rc1->top - rc2->top) <= 1 && + abs(rc1->right - rc2->right) <= 1 && + abs(rc1->bottom - rc2->bottom) <= 1; +} + static int CALLBACK clip_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table, const ENHMETARECORD *emr, int n_objs, LPARAM param) { @@ -1574,7 +1591,7 @@ static int CALLBACK clip_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table, translate((POINT *)&rc_transformed, 2, &xform); trace("transformed (%d,%d-%d,%d)\n", rc_transformed.left, rc_transformed.top, rc_transformed.right, rc_transformed.bottom); - ok(EqualRect(&rect, &rc_transformed), "rects don't match\n"); + ok(is_equal_rect(&rect, &rc_transformed), "rects don't match\n"); rect = *(const RECT *)rgn2.data.Buffer; trace("rect (%d,%d-%d,%d)\n", rect.left, rect.top, rect.right, rect.bottom); @@ -1582,7 +1599,7 @@ static int CALLBACK clip_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table, translate((POINT *)&rc_transformed, 2, &xform); trace("transformed (%d,%d-%d,%d)\n", rc_transformed.left, rc_transformed.top, rc_transformed.right, rc_transformed.bottom); - ok(EqualRect(&rect, &rc_transformed), "rects don't match\n"); + ok(is_equal_rect(&rect, &rc_transformed), "rects don't match\n"); ok(rgn2.data.rdh.dwSize == sizeof(rgn1->data.rdh), "expected sizeof(rdh), got %u\n", rgn2.data.rdh.dwSize); ok(rgn2.data.rdh.iType == RDH_RECTANGLES, "expected RDH_RECTANGLES, got %u\n", rgn2.data.rdh.iType); @@ -1620,7 +1637,7 @@ static void test_emf_clipping(void) ok(hemf != 0, "CloseEnhMetaFile error %d\n", GetLastError()); if (compare_emf_bits(hemf, EMF_CLIPPING, sizeof(EMF_CLIPPING), - "emf_clipping", TRUE) != 0) + "emf_clipping", FALSE, TRUE) != 0) { dump_emf_bits(hemf, "emf_clipping"); dump_emf_records(hemf, "emf_clipping"); @@ -1686,6 +1703,7 @@ static HENHMETAFILE create_converted_emf(const METAFILEPICT *mfp) { HDC hdcMf; HMETAFILE hmf; + HENHMETAFILE hemf; BOOL ret; UINT size; LPBYTE pBits; @@ -1708,7 +1726,9 @@ static HENHMETAFILE create_converted_emf(const METAFILEPICT *mfp) pBits = HeapAlloc(GetProcessHeap(), 0, size); GetMetaFileBitsEx(hmf, size, pBits); DeleteMetaFile(hmf); - return SetWinMetaFileBits(size, pBits, NULL, mfp); + hemf = SetWinMetaFileBits(size, pBits, NULL, mfp); + HeapFree(GetProcessHeap(), 0, pBits); + return hemf; } static void test_mf_conversions(void) @@ -1726,7 +1746,7 @@ static void test_mf_conversions(void) hemf = create_converted_emf(&mfp); if (compare_emf_bits(hemf, EMF_LINETO_MM_ANISOTROPIC_BITS, sizeof(EMF_LINETO_MM_ANISOTROPIC_BITS), - "emf_LineTo MM_ANISOTROPIC", TRUE) != 0) + "emf_LineTo MM_ANISOTROPIC", TRUE, TRUE) != 0) { dump_emf_bits(hemf, "emf_LineTo MM_ANISOTROPIC"); dump_emf_records(hemf, "emf_LineTo MM_ANISOTROPIC"); @@ -1751,7 +1771,7 @@ static void test_mf_conversions(void) hemf = create_converted_emf(&mfp); if (compare_emf_bits(hemf, EMF_LINETO_MM_TEXT_BITS, sizeof(EMF_LINETO_MM_TEXT_BITS), - "emf_LineTo MM_TEXT", TRUE) != 0) + "emf_LineTo MM_TEXT", TRUE, TRUE) != 0) { dump_emf_bits(hemf, "emf_LineTo MM_TEXT"); dump_emf_records(hemf, "emf_LineTo MM_TEXT"); @@ -1771,7 +1791,7 @@ static void test_mf_conversions(void) hemf = create_converted_emf(NULL); if (compare_emf_bits(hemf, EMF_LINETO_BITS, sizeof(EMF_LINETO_BITS), - "emf_LineTo NULL", TRUE) != 0) + "emf_LineTo NULL", TRUE, TRUE) != 0) { dump_emf_bits(hemf, "emf_LineTo NULL"); dump_emf_records(hemf, "emf_LineTo NULL"); @@ -1920,12 +1940,17 @@ static void test_SetWinMetaFileBits(void) ok(diffx <= 1, "SetWinMetaFileBits (MM_ISOTROPIC): Reference bounds are not isotropic\n"); dc = CreateCompatibleDC(NULL); + + /* Allow 1 mm difference (rounding errors) */ + diffx = rclBoundsAnisotropic.right - GetDeviceCaps(dc, HORZRES) / 2; + diffy = rclBoundsAnisotropic.bottom - GetDeviceCaps(dc, VERTRES) / 2; + if (diffx < 0) diffx = -diffx; + if (diffy < 0) diffy = -diffy; todo_wine { - ok(rclBoundsAnisotropic.right == GetDeviceCaps(dc, HORZRES) / 2 - 1 && - rclBoundsAnisotropic.bottom == GetDeviceCaps(dc, VERTRES) / 2 - 1, + ok(diffx <= 1 && diffy <= 1, "SetWinMetaFileBits (MM_ANISOTROPIC): Reference bounds: The whole device surface must be used (%dx%d), but got (%dx%d)\n", - GetDeviceCaps(dc, HORZRES) / 2 - 1, GetDeviceCaps(dc, VERTRES) / 2 - 1, rclBoundsAnisotropic.right, rclBoundsAnisotropic.bottom); + GetDeviceCaps(dc, HORZRES) / 2, GetDeviceCaps(dc, VERTRES) / 2, rclBoundsAnisotropic.right, rclBoundsAnisotropic.bottom); } /* Allow 1 mm difference (rounding errors) */
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Alexandre Julliard