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dwrite: Line height/baseline includes lineGap as well. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-01-27 15:57:48 +03:00 committed by Alexandre Julliard
parent 3254a6b2d6
commit 2c6799dfe2
2 changed files with 94 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
dlls/dwrite/layout.c
View File

@ -892,8 +892,8 @@ static HRESULT layout_compute_runs(struct dwrite_textlayout *layout)
else
IDWriteFontFace_GetMetrics(run->run.fontFace, &fontmetrics);
r->baseline = SCALE_FONT_METRIC(fontmetrics.ascent, run->run.fontEmSize, &fontmetrics);
r->height = SCALE_FONT_METRIC(fontmetrics.ascent + fontmetrics.descent, run->run.fontEmSize, &fontmetrics);
r->baseline = SCALE_FONT_METRIC(fontmetrics.ascent + fontmetrics.lineGap, run->run.fontEmSize, &fontmetrics);
r->height = SCALE_FONT_METRIC(fontmetrics.ascent + fontmetrics.descent + fontmetrics.lineGap, run->run.fontEmSize, &fontmetrics);
layout_set_cluster_metrics(layout, r, &cluster);

101
dlls/dwrite/tests/layout.c
View File

@ -3157,18 +3157,34 @@ static IDWriteFontFace *get_fontface_from_format(IDWriteTextFormat *format)
return fontface;
}
static void get_enus_string(IDWriteLocalizedStrings *strings, WCHAR *buff, UINT32 size)
{
UINT32 index;
BOOL exists = FALSE;
HRESULT hr;
hr = IDWriteLocalizedStrings_FindLocaleName(strings, enusW, &index, &exists);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(exists, "got %d\n", exists);
hr = IDWriteLocalizedStrings_GetString(strings, index, buff, size);
ok(hr == S_OK, "got 0x%08x\n", hr);
}
static void test_GetLineMetrics(void)
{
static const WCHAR str3W[] = {'a','\r','b','\n','c','\n','\r','d','\r','\n',0};
static const WCHAR strW[] = {'a','b','c','d',' ',0};
static const WCHAR str2W[] = {'a','b','\r','c','d',0};
IDWriteFontCollection *syscollection;
DWRITE_FONT_METRICS fontmetrics;
DWRITE_LINE_METRICS metrics[6];
UINT32 count, i, familycount;
IDWriteTextFormat *format;
IDWriteTextLayout *layout;
IDWriteFontFace *fontface;
IDWriteFactory *factory;
UINT32 count;
WCHAR nameW[256];
HRESULT hr;
factory = create_factory();
@ -3194,16 +3210,83 @@ static void test_GetLineMetrics(void)
ok(metrics[0].newlineLength == 0, "got %u\n", metrics[0].newlineLength);
ok(metrics[0].isTrimmed == FALSE, "got %d\n", metrics[0].isTrimmed);
/* Tahoma doesn't provide BASE table, so baseline is calculated from font metrics */
IDWriteTextLayout_Release(layout);
/* Test line height and baseline calculation */
hr = IDWriteFactory_GetSystemFontCollection(factory, &syscollection, FALSE);
ok(hr == S_OK, "got 0x%08x\n", hr);
familycount = IDWriteFontCollection_GetFontFamilyCount(syscollection);
for (i = 0; i < familycount; i++) {
static const WCHAR mvboliW[] = {'M','V',' ','B','o','l','i',0};
IDWriteLocalizedStrings *names;
IDWriteFontFamily *family;
IDWriteFont *font;
format = NULL;
layout = NULL;
hr = IDWriteFontCollection_GetFontFamily(syscollection, i, &family);
ok(hr == S_OK, "got 0x%08x\n", hr);
hr = IDWriteFontFamily_GetFirstMatchingFont(family, DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
DWRITE_FONT_STYLE_NORMAL, &font);
ok(hr == S_OK, "got 0x%08x\n", hr);
hr = IDWriteFont_CreateFontFace(font, &fontface);
ok(hr == S_OK, "got 0x%08x\n", hr);
hr = IDWriteFontFamily_GetFamilyNames(family, &names);
ok(hr == S_OK, "got 0x%08x\n", hr);
get_enus_string(names, nameW, sizeof(nameW)/sizeof(nameW[0]));
IDWriteLocalizedStrings_Release(names);
IDWriteFont_Release(font);
/* This will effectively skip on Vista/2008 only, newer systems work just fine with this font. */
if (!lstrcmpW(nameW, mvboliW)) {
skip("Skipping line metrics test for %s, gives inconsistent results\n", wine_dbgstr_w(nameW));
goto cleanup;
}
IDWriteFontFace_GetMetrics(fontface, &fontmetrics);
hr = IDWriteFactory_CreateTextFormat(factory, nameW, NULL, DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL, fontmetrics.designUnitsPerEm, enusW, &format);
ok(hr == S_OK, "got 0x%08x\n", hr);
hr = IDWriteFactory_CreateTextLayout(factory, strW, 5, format, 30000.0f, 100.0f, &layout);
ok(hr == S_OK, "got 0x%08x\n", hr);
memset(metrics, 0, sizeof(metrics));
count = 0;
hr = IDWriteTextLayout_GetLineMetrics(layout, metrics, 2, &count);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(count == 1, "got %u\n", count);
ok(metrics[0].baseline == fontmetrics.ascent + fontmetrics.lineGap, "%s: got %.2f, expected %d, "
"linegap %d\n", wine_dbgstr_w(nameW), metrics[0].baseline, fontmetrics.ascent + fontmetrics.lineGap,
fontmetrics.lineGap);
ok(metrics[0].height == fontmetrics.ascent + fontmetrics.descent + fontmetrics.lineGap,
"%s: got %.2f, expected %d, linegap %d\n", wine_dbgstr_w(nameW), metrics[0].height,
fontmetrics.ascent + fontmetrics.descent + fontmetrics.lineGap, fontmetrics.lineGap);
cleanup:
if (layout)
IDWriteTextLayout_Release(layout);
if (format)
IDWriteTextFormat_Release(format);
IDWriteFontFace_Release(fontface);
IDWriteFontFamily_Release(family);
}
IDWriteFontCollection_Release(syscollection);
hr = IDWriteFactory_CreateTextFormat(factory, tahomaW, NULL, DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL, 2048.0f, enusW, &format);
ok(hr == S_OK, "got 0x%08x\n", hr);
fontface = get_fontface_from_format(format);
ok(fontface != NULL, "got %p\n", fontface);
IDWriteFontFace_GetMetrics(fontface, &fontmetrics);
ok(metrics[0].baseline == fontmetrics.ascent, "got %.2f, expected %d\n", metrics[0].baseline,
fontmetrics.ascent);
ok(metrics[0].height == fontmetrics.ascent + fontmetrics.descent, "got %.2f, expected %d\n",
metrics[0].height, fontmetrics.ascent + fontmetrics.descent);
IDWriteTextLayout_Release(layout);
/* force 2 lines */
hr = IDWriteFactory_CreateTextLayout(factory, str2W, 5, format, 10000.0, 1000.0, &layout);