[PATCH 1/4 v4] riched20/tests: Rewrite tests for ITextServices_TxGetNaturalSize().

Huw Davies huw at codeweavers.com
Mon Jun 4 04:28:13 CDT 2018


On Tue, May 29, 2018 at 12:12:06PM +0800, Jactry Zeng wrote:
> Signed-off-by: Jactry Zeng <jzeng at codeweavers.com>
> ---
>  dlls/riched20/tests/Makefile.in |   2 +-
>  dlls/riched20/tests/txtsrv.c    | 189 ++++++++++++++++++++++++++--------------
>  2 files changed, 126 insertions(+), 65 deletions(-)
> 
> diff --git a/dlls/riched20/tests/Makefile.in b/dlls/riched20/tests/Makefile.in
> index 34c00afa7c..ca381d9dc2 100644
> --- a/dlls/riched20/tests/Makefile.in
> +++ b/dlls/riched20/tests/Makefile.in
> @@ -1,5 +1,5 @@
>  TESTDLL   = riched20.dll
> -IMPORTS   = ole32 oleaut32 user32 gdi32
> +IMPORTS   = ole32 oleaut32 user32 gdi32 usp10
>  
>  C_SRCS = \
>  	editor.c \
> diff --git a/dlls/riched20/tests/txtsrv.c b/dlls/riched20/tests/txtsrv.c
> index 88b5adf13c..76b4eb34f6 100644
> --- a/dlls/riched20/tests/txtsrv.c
> +++ b/dlls/riched20/tests/txtsrv.c
> @@ -37,6 +37,7 @@
>  #include <wine/test.h>
>  #include <oleauto.h>
>  #include <limits.h>
> +#include <usp10.h>
>  
>  static HMODULE hmoduleRichEdit;
>  static IID *pIID_ITextServices;
> @@ -697,81 +698,141 @@ static void test_TxSetText(void)
>      ITextHost_Release(host);
>  }
>  
> +static void hf_from_cf(HFONT *hf, CHARFORMAT2W cf)
> +{
> +    LOGFONTW lf;
> +
> +    memset(&lf, 0, sizeof(lf));
> +    lstrcpyW(lf.lfFaceName, cf.szFaceName);
> +    lf.lfHeight = MulDiv(-cf.yHeight, GetDeviceCaps(GetDC(NULL), LOGPIXELSY), 1440);
> +    lf.lfWeight = FW_NORMAL;
> +    if (cf.dwEffects & cf.dwMask & CFM_BOLD)
> +        lf.lfWeight = FW_BOLD;
> +    if (cf.dwMask & CFM_WEIGHT)
> +        lf.lfWeight = cf.wWeight;
> +    if (cf.dwEffects & cf.dwMask & CFM_ITALIC)
> +        lf.lfItalic = TRUE;
> +    if ((cf.dwEffects & cf.dwMask & CFM_UNDERLINE) &&
> +        !(cf.dwEffects & CFE_LINK) &&
> +        cf.bUnderlineType == CFU_CF1UNDERLINE)
> +        lf.lfUnderline = TRUE;
> +    if (cf.dwEffects & cf.dwMask & CFM_STRIKEOUT)
> +        lf.lfStrikeOut = TRUE;
> +    if (cf.dwEffects & cf.dwMask & (CFM_SUBSCRIPT | CFM_SUPERSCRIPT))
> +        lf.lfHeight = (lf.lfHeight * 2) / 3;
> +    if (cf.dwMask & CFM_FACE)
> +        lf.lfPitchAndFamily = cf.bPitchAndFamily;
> +    if (cf.dwMask & CFM_CHARSET)
> +        lf.lfCharSet = cf.bCharSet;
> +    *hf = CreateFontIndirectW(&lf);
> +}
> +
> +static LONG get_max_width(HDC hdc, LPCWSTR string, LONG avail_width, LONG *lines)
> +{
> +    SCRIPT_ITEM buf[16], *items = buf;
> +    LONG items_passed = sizeof(buf) / sizeof(buf[0]), num_items;
> +    SCRIPT_CONTROL control = {LANG_USER_DEFAULT, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE,
> +                              FALSE, FALSE, 0};
> +    SCRIPT_STATE state = {0, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, 0, 0};
> +    SCRIPT_CACHE script_cache = NULL;
> +    LONG max_glyphs = 1.5 * lstrlenW(string) + 16;
> +    LONG max_clusters = lstrlenW(string) * 2;
> +    WORD *clusters = HeapAlloc(GetProcessHeap(), 0, max_clusters * sizeof(WORD));
> +    WORD *glyphs = HeapAlloc(GetProcessHeap(), 0, max_glyphs *
> +                             (sizeof(WORD) + sizeof(SCRIPT_VISATTR) + sizeof(LONG) + sizeof(GOFFSET)));
> +    SCRIPT_VISATTR *vis_attrs = (SCRIPT_VISATTR *)((char *)glyphs + max_glyphs * sizeof(WORD));
> +    GOFFSET *offsets = (GOFFSET *)((char *)glyphs + max_glyphs * (sizeof(WORD) + sizeof(SCRIPT_VISATTR)
> +                                                                  + sizeof(LONG)));
> +    LONG num_glyphs = 0;
> +    LONG *advances = (LONG *)((char *)glyphs + max_glyphs * (sizeof(WORD) + sizeof(SCRIPT_VISATTR)));
> +    LONG i, width = 0, max_width = 0;
> +
> +    ScriptItemize(string, lstrlenW(string), items_passed, &control, &state, items, &num_items);
> +    ScriptShape(hdc, &script_cache, string, lstrlenW(string), max_glyphs, &items[0].a, glyphs,
> +                clusters, vis_attrs, &num_glyphs);
> +    ScriptPlace(hdc, &script_cache, glyphs, num_glyphs, vis_attrs, &items[0].a, advances, offsets,
> +                NULL);
> +
> +    *lines = 1;
> +    for (i = 0; i < num_glyphs; i++)
> +    {
> +        width += advances[i];
> +        if (width >= avail_width)
> +        {
> +            (*lines)++;
> +            width -= advances[i];
> +            if (width > max_width)
> +                max_width = width;
> +            width = advances[i];
> +        }
> +        if (width > max_width)
> +            max_width = width;
> +    }

Since we'll probably just use ascii characters for this test, you could
avoid using uniscribe here and just use gdi32 directly.

> +    HeapFree(GetProcessHeap(), 0, clusters);
> +    HeapFree(GetProcessHeap(), 0, glyphs);
> +    return max_width;
> +}
> +
> +#define CHECK_TXGETNATURALSIZE(res,width,height,expected_width,expected_height) \
> +    _check_txgetnaturalsize(res, width, height, expected_width, expected_height, __LINE__)
> +static void _check_txgetnaturalsize(HRESULT res, LONG width, LONG height, LONG expected_width,
> +                                    LONG expected_height, int line)
> +{
> +    ok_(__FILE__,line)(res == S_OK, "TxGetNaturalSize failed: 0x%08x.\n", res);
> +    ok_(__FILE__,line)(width >= expected_width && width <= expected_width + 1,
> +                       "got wrong width: %d, expected: %d {+1}.\n", width, expected_width);
> +    ok_(__FILE__,line)(height == expected_height, "got wrong height: %d, expected: %d.\n",
> +                       height, expected_height);
> +}
> +
>  static void test_TxGetNaturalSize(void)
>  {
>      ITextServices *txtserv;
>      ITextHost *host;
>      HRESULT result;
> -    BOOL ret;
> -
> -    /* This value is used when calling TxGetNaturalSize.  MSDN says
> -       that this is not supported however a null pointer cannot be
> -       used as it will cause a segmentation violation.  The values in
> -       the structure being pointed to are required to be INT_MAX
> -       otherwise calculations can give wrong values. */
> -    const SIZEL psizelExtent = {INT_MAX,INT_MAX};
> -
> -    static const WCHAR oneA[] = {'A',0};
> -
> -    /* Results of measurements */
> -    LONG xdim, ydim;
> -
> -    /* The device context to do the tests in */
> +    SIZEL psizelExtent = {-1,-1};
> +    static const WCHAR test_text[] = {'T','e','s','t','S','o','m','e','T','e','x','t',0};
> +    LONG width, height, expected_width, expected_height, lines;
>      HDC hdcDraw;
> -
> -    /* Variables with the text metric information */
> -    INT charwidth_caps_text[26];
> -    TEXTMETRICA tmInfo_text;
> +    HWND hwnd;
> +    RECT rect;
> +    CHARFORMAT2W cf;
> +    LRESULT lresult;
> +    HFONT hf, old_hf;
> +    TEXTMETRICA tm;
>  
>      if (!init_texthost(&txtserv, &host))
>          return;
>  
> -    hdcDraw = GetDC(NULL);
> -    SaveDC(hdcDraw);
> -
> -    /* Populate the metric strucs */
> -    SetMapMode(hdcDraw,MM_TEXT);
> -    GetTextMetricsA(hdcDraw, &tmInfo_text);
> -    SetLastError(0xdeadbeef);
> -    ret = GetCharWidth32A(hdcDraw,'A','Z',charwidth_caps_text);
> -    if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
> -        win_skip("GetCharWidth32 is not available\n");
> -        goto cleanup;
> -    }
> -
> -    /* Make measurements in MM_TEXT */
> +    hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP | WS_VISIBLE,
> +                           0, 0, 100, 100, 0, 0, 0, NULL);
> +    hdcDraw = GetDC(hwnd);
>      SetMapMode(hdcDraw,MM_TEXT);
> -    xdim = 0; ydim = 0;
> -
> -    result = ITextServices_TxSetText(txtserv, oneA);
> -    ok(result == S_OK, "ITextServices_TxSetText failed (result = %x)\n", result);
> -    if (result != S_OK) {
> -        skip("Could not set text\n");
> -        goto cleanup;
> -    }
> -
> -    SetLastError(0xdeadbeef);
> -    result = ITextServices_TxGetNaturalSize(txtserv, DVASPECT_CONTENT,
> -                                            hdcDraw, NULL, NULL,
> -                                            TXTNS_FITTOCONTENT, &psizelExtent,
> -                                            &xdim, &ydim);
> -    todo_wine ok(result == S_OK || broken(result == E_FAIL), /* WINXP Arabic Language */
> -        "TxGetNaturalSize gave unexpected return value (result = %x)\n", result);
> -    if (result == S_OK) {
> -    todo_wine ok(ydim == tmInfo_text.tmHeight,
> -                 "Height calculated incorrectly (expected %d, got %d)\n",
> -                 tmInfo_text.tmHeight, ydim);
> -    /* The native DLL adds one pixel extra when calculating widths. */
> -    todo_wine ok(xdim >= charwidth_caps_text[0] && xdim <= charwidth_caps_text[0] + 1,
> -                 "Width calculated incorrectly (expected %d {+1}, got %d)\n",
> -                 charwidth_caps_text[0], xdim);
> -    } else
> -        skip("TxGetNaturalSize measurements not performed (xdim = %d, ydim = %d, result = %x, error = %x)\n",
> -             xdim, ydim, result, GetLastError());
> -
> -cleanup:
> -    RestoreDC(hdcDraw,1);
> -    ReleaseDC(NULL,hdcDraw);
> +    GetClientRect(hwnd, &rect);
> +
> +    result = ITextServices_TxSetText(txtserv, test_text);
> +    ok(result == S_OK, "ITextServices_TxSetText failed: 0x%08x.\n", result);
> +
> +    cf.cbSize = sizeof(cf);
> +    result = ITextServices_TxSendMessage(txtserv, EM_GETCHARFORMAT, SCF_DEFAULT, (LPARAM)&cf, &lresult);
> +    ok(result == S_OK, "ITextServices_TxSendMessage failed: 0x%08x.\n", result);
> +    hf_from_cf(&hf, cf);
> +
> +    old_hf = SelectObject(hdcDraw, hf);

How about doing this the other way around - create an hfont, fill out
an appropriate cf and use that to set the character format of the
text?  I think that would end up being simpler.


> +    expected_width = get_max_width(hdcDraw, test_text, rect.right - rect.left, &lines);
> +    GetTextMetricsA(hdcDraw, &tm);
> +    expected_height = (tm.tmAscent + tm.tmDescent) * lines;
> +    SelectObject(hdcDraw, old_hf);
> +
> +    psizelExtent.cx = -1; psizelExtent.cy = -1;
> +    width = rect.right - rect.left;
> +    height = 0;
> +    result = ITextServices_TxGetNaturalSize(txtserv, DVASPECT_CONTENT, hdcDraw, NULL, NULL,
> +                                            TXTNS_FITTOCONTENT, &psizelExtent, &width, &height);
> +    todo_wine CHECK_TXGETNATURALSIZE(result, width, height, expected_width, expected_height);
> +
> +    ReleaseDC(hwnd, hdcDraw);
> +    DestroyWindow(hwnd);
>      ITextServices_Release(txtserv);
>      ITextHost_Release(host);
>  }
> -- 
> 2.15.1 (Apple Git-101)
> 
> 
> 
> 



More information about the wine-devel mailing list