Alexandre Julliard : gdi32: Fix text justification to properly handle logical coordinates.
Module: wine Branch: master Commit: 351e58318ab453d88efb236bc350099d2c151634 URL: http://source.winehq.org/git/wine.git/?a=commit;h=351e58318ab453d88efb236bc3... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Tue Dec 11 16:52:43 2012 +0100 gdi32: Fix text justification to properly handle logical coordinates. --- dlls/gdi32/font.c | 13 ++++++------- dlls/gdi32/tests/dc.c | 13 +++++++++++++ dlls/gdi32/tests/font.c | 40 ++++++++++++++++++++++++---------------- 3 files changed, 43 insertions(+), 23 deletions(-) diff --git a/dlls/gdi32/font.c b/dlls/gdi32/font.c index 3d75682..34520f5 100644 --- a/dlls/gdi32/font.c +++ b/dlls/gdi32/font.c @@ -1189,7 +1189,7 @@ BOOL WINAPI GetTextExtentExPointW( HDC hdc, LPCWSTR str, INT count, /* Perform device size to world size transformations. */ if (ret) { - INT extra = dc->charExtra, + INT extra = abs(INTERNAL_XWSTODS(dc, dc->charExtra)), breakExtra = dc->breakExtra, breakRem = dc->breakRem, i; @@ -1198,7 +1198,6 @@ BOOL WINAPI GetTextExtentExPointW( HDC hdc, LPCWSTR str, INT count, { for (i = 0; i < count; ++i) { - dxs[i] = abs(INTERNAL_XDSTOWS(dc, dxs[i])); dxs[i] += (i+1) * extra; if (count > 1 && (breakExtra || breakRem) && str[i] == tm.tmBreakChar) { @@ -1209,15 +1208,12 @@ BOOL WINAPI GetTextExtentExPointW( HDC hdc, LPCWSTR str, INT count, dxs[i]++; } } + dxs[i] = abs(INTERNAL_XDSTOWS(dc, dxs[i])); if (dxs[i] <= maxExt) ++nFit; } - breakRem = dc->breakRem; } - size->cx = abs(INTERNAL_XDSTOWS(dc, size->cx)); - size->cy = abs(INTERNAL_YDSTOWS(dc, size->cy)); - - if (!dxs && count > 1 && (breakExtra || breakRem)) + else if (count > 1 && (breakExtra || breakRem)) { for (i = 0; i < count; i++) { @@ -1232,6 +1228,9 @@ BOOL WINAPI GetTextExtentExPointW( HDC hdc, LPCWSTR str, INT count, } } } + size->cx += count * extra; + size->cx = abs(INTERNAL_XDSTOWS(dc, size->cx)); + size->cy = abs(INTERNAL_YDSTOWS(dc, size->cy)); } if (lpnFit) diff --git a/dlls/gdi32/tests/dc.c b/dlls/gdi32/tests/dc.c index 8baacc2..802d82a 100644 --- a/dlls/gdi32/tests/dc.c +++ b/dlls/gdi32/tests/dc.c @@ -58,6 +58,7 @@ static void test_dc_values(void) { HDC hdc = CreateDCA("DISPLAY", NULL, NULL, NULL); COLORREF color; + int extra; ok( hdc != NULL, "CreateDC failed\n" ); color = SetBkColor( hdc, 0x12345678 ); @@ -86,6 +87,18 @@ static void test_dc_values(void) color = GetTextColor( hdc ); ok( color == 0, "wrong color %08x\n", color ); + extra = GetTextCharacterExtra( hdc ); + ok( extra == 0, "initial extra %d\n", extra ); + SetTextCharacterExtra( hdc, 123 ); + extra = GetTextCharacterExtra( hdc ); + ok( extra == 123, "initial extra %d\n", extra ); + SetMapMode( hdc, MM_LOMETRIC ); + extra = GetTextCharacterExtra( hdc ); + ok( extra == 123, "initial extra %d\n", extra ); + SetMapMode( hdc, MM_TEXT ); + extra = GetTextCharacterExtra( hdc ); + ok( extra == 123, "initial extra %d\n", extra ); + DeleteDC( hdc ); } diff --git a/dlls/gdi32/tests/font.c b/dlls/gdi32/tests/font.c index 1064ce2..8508d70 100644 --- a/dlls/gdi32/tests/font.c +++ b/dlls/gdi32/tests/font.c @@ -1753,18 +1753,17 @@ static void testJustification(HDC hdc, PSTR str, RECT *clientArea) { INT y, breakCount, - justifiedWidth = 0, /* to test GetTextExtentExPointW() */ areaWidth = clientArea->right - clientArea->left, nErrors = 0, e; - BOOL lastExtent = FALSE; PSTR pFirstChar, pLastChar; SIZE size; TEXTMETRICA tm; struct err { - char extent[100]; + char *start; + int len; int GetTextExtentExPointWWidth; - } error[10]; + } error[20]; GetTextMetricsA(hdc, &tm); y = clientArea->top; @@ -1803,18 +1802,16 @@ static void testJustification(HDC hdc, PSTR str, RECT *clientArea) { SetTextJustification(hdc, areaWidth - size.cx, breakCount); GetTextExtentPoint32(hdc, pFirstChar, pLastChar - pFirstChar, &size); - justifiedWidth = size.cx; + if (size.cx != areaWidth && nErrors < sizeof(error)/sizeof(error[0]) - 1) + { + error[nErrors].start = pFirstChar; + error[nErrors].len = pLastChar - pFirstChar; + error[nErrors].GetTextExtentExPointWWidth = size.cx; + nErrors++; + } } - else lastExtent = TRUE; - /* catch errors and report them */ - if (!lastExtent && (justifiedWidth != areaWidth)) - { - memset(error[nErrors].extent, 0, 100); - memcpy(error[nErrors].extent, pFirstChar, pLastChar - pFirstChar); - error[nErrors].GetTextExtentExPointWWidth = justifiedWidth; - nErrors++; - } + trace( "%u %.*s\n", size.cx, (int)(pLastChar - pFirstChar), pFirstChar); y += size.cy; str = pLastChar; @@ -1825,8 +1822,8 @@ static void testJustification(HDC hdc, PSTR str, RECT *clientArea) /* The width returned by GetTextExtentPoint32() is exactly the same returned by GetTextExtentExPointW() - see dlls/gdi32/font.c */ ok(error[e].GetTextExtentExPointWWidth == areaWidth, - "GetTextExtentPointW() for \"%s\" should have returned a width of %d, not %d.\n", - error[e].extent, areaWidth, error[e].GetTextExtentExPointWWidth); + "GetTextExtentPointW() for \"%.*s\" should have returned a width of %d, not %d.\n", + error[e].len, error[e].start, areaWidth, error[e].GetTextExtentExPointWWidth); } } @@ -1862,6 +1859,17 @@ static void test_SetTextJustification(void) testJustification(hdc, testText, &clientArea); + SetMapMode( hdc, MM_ANISOTROPIC ); + SetWindowExtEx( hdc, 2, 2, NULL ); + GetClientRect( hwnd, &clientArea ); + DPtoLP( hdc, (POINT *)&clientArea, 2 ); + testJustification(hdc, testText, &clientArea); + + SetViewportExtEx( hdc, 3, 3, NULL ); + GetClientRect( hwnd, &clientArea ); + DPtoLP( hdc, (POINT *)&clientArea, 2 ); + testJustification(hdc, testText, &clientArea); + DeleteObject(hfont); ReleaseDC(hwnd, hdc); DestroyWindow(hwnd);
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Alexandre Julliard