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usp10: Better implementation for ScriptGetLogicalWidths().

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-08-09 16:59:33 +03:00 committed by Alexandre Julliard
parent 36cce60f8d
commit 0695368406
2 changed files with 75 additions and 5 deletions
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53
dlls/usp10/tests/usp10.c
View File

@ -3610,6 +3610,58 @@ static void test_ScriptGetFontFunctions(HDC hdc)
}
}
struct logical_width_test
{
int char_count;
int glyph_count;
int advances[3];
WORD map[3];
int widths[3];
BOOL clusterstart[3];
BOOL diacritic[3];
BOOL zerowidth[3];
BOOL todo;
};
static const struct logical_width_test logical_width_tests[] =
{
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 6, 9, 12 }, { 1, 1, 1 } },
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 6, 9, 12 }, { 1, 1, 1 }, { 1, 0, 0 } },
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 6, 9, 12 }, { 1, 1, 1 }, { 0 }, { 1, 1, 1 } },
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 27, 21, 12 }, { 0, 0, 0 }, { 0 }, { 0 }, TRUE },
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 6, 21, 12 }, { 0, 1, 0 }, { 0 }, { 0 }, TRUE },
{ 3, 3, { 6, 9, 12 }, { 0, 1, 2 }, { 6, 21, 12 }, { 1, 1, 0 }, { 0 }, { 0 }, TRUE },
{ 3, 3, { 6, 9, 12 }, { 0, 2, 2 }, { 15, 6, 6 }, { 1, 0, 1 } },
};
static void test_ScriptGetLogicalWidths(void)
{
SCRIPT_ANALYSIS sa = { 0 };
unsigned int i, j;
for (i = 0; i < sizeof(logical_width_tests)/sizeof(logical_width_tests[0]); i++)
{
const struct logical_width_test *ptr = logical_width_tests + i;
SCRIPT_VISATTR attrs[3];
int widths[3];
HRESULT hr;
memset(attrs, 0, sizeof(attrs));
for (j = 0; j < ptr->glyph_count; j++)
{
attrs[j].fClusterStart = ptr->clusterstart[j];
attrs[j].fDiacritic = ptr->diacritic[j];
attrs[j].fZeroWidth = ptr->zerowidth[j];
}
hr = ScriptGetLogicalWidths(&sa, ptr->char_count, ptr->glyph_count, ptr->advances, ptr->map, attrs, widths);
ok(hr == S_OK, "got 0x%08x\n", hr);
todo_wine_if(ptr->todo)
ok(!memcmp(ptr->widths, widths, sizeof(widths)), "test %u: got wrong widths\n", i);
}
}
START_TEST(usp10)
{
HWND hwnd;
@ -3663,6 +3715,7 @@ START_TEST(usp10)
test_newlines();
test_ScriptGetFontFunctions(hdc);
test_ScriptGetLogicalWidths();
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);

27
dlls/usp10/usp10.c
View File

@ -3890,16 +3890,33 @@ HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
* Failure: a non-zero HRESULT.
*/
HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
const int *glyph_width, const WORD *log_clust,
const int *advances, const WORD *log_clust,
const SCRIPT_VISATTR *sva, int *widths)
{
int i;
int i, next = 0, direction;
TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
sa, nbchars, nbglyphs, advances, log_clust, sva, widths);
if (sa->fRTL && !sa->fLogicalOrder)
direction = -1;
else
direction = 1;
for (i = 0; i < nbchars; i++)
{
int clust_size = get_cluster_size(log_clust, nbchars, i, direction, NULL, NULL);
int advance = get_glyph_cluster_advance(advances, sva, log_clust, nbglyphs, nbchars, log_clust[i], direction);
int j;
for (j = 0; j < clust_size; j++)
{
widths[next] = advance / clust_size;
next++;
if (j) i++;
}
}
/* FIXME */
for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
return S_OK;
}