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dwrite/tests: Some more tests for ComputeGlyphOrigins(). 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-01-27 08:55:24 +03:00 committed by Alexandre Julliard
parent efb1aef93f
commit 3795100bf7
1 changed files with 87 additions and 2 deletions
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89
dlls/dwrite/tests/font.c
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@ -8038,17 +8038,73 @@ static void test_HasKerningPairs(void)
ok(ref == 0, "factory not released, %u\n", ref);
}
static void get_expected_glyph_origins(D2D1_POINT_2F baseline_origin, const DWRITE_GLYPH_RUN *run,
D2D1_POINT_2F *origins)
{
unsigned int i;
if (run->bidiLevel & 1)
{
DWRITE_GLYPH_METRICS glyph_metrics[2];
DWRITE_FONT_METRICS metrics;
float advance;
HRESULT hr;
hr = IDWriteFontFace_GetDesignGlyphMetrics(run->fontFace, run->glyphIndices, run->glyphCount, glyph_metrics, FALSE);
ok(hr == S_OK, "Failed to get glyph metrics, hr %#x.\n", hr);
IDWriteFontFace_GetMetrics(run->fontFace, &metrics);
advance = run->fontEmSize * glyph_metrics[0].advanceWidth / metrics.designUnitsPerEm;
baseline_origin.x -= advance;
for (i = 0; i < run->glyphCount; ++i)
{
origins[i].x = baseline_origin.x - run->glyphOffsets[i].advanceOffset;
origins[i].y = baseline_origin.y - run->glyphOffsets[i].ascenderOffset;
baseline_origin.x -= run->glyphAdvances[i];
}
}
else
{
for (i = 0; i < run->glyphCount; ++i)
{
origins[i].x = baseline_origin.x + run->glyphOffsets[i].advanceOffset;
origins[i].y = baseline_origin.y - run->glyphOffsets[i].ascenderOffset;
baseline_origin.x += run->glyphAdvances[i];
}
}
}
static void test_ComputeGlyphOrigins(void)
{
static const struct origins_test
{
D2D1_POINT_2F baseline_origin;
float advances[2];
DWRITE_GLYPH_OFFSET offsets[2];
unsigned int bidi_level;
}
origins_tests[] =
{
{ { 123.0f, 321.0f }, { 10.0f, 20.0f }, { { 0 } } },
{ { 123.0f, 321.0f }, { 10.0f, 20.0f }, { { 0.3f, 0.5f }, { -0.1f, 0.9f } } },
{ { 123.0f, 321.0f }, { 10.0f, 20.0f }, { { 0 } }, 1 },
};
IDWriteFactory4 *factory;
DWRITE_GLYPH_RUN run;
HRESULT hr;
D2D1_POINT_2F origins[2];
D2D1_POINT_2F origins[2], expected_origins[2];
D2D1_POINT_2F baseline_origin;
UINT16 glyphs[2];
UINT16 glyphs[2] = { 0 };
FLOAT advances[2];
DWRITE_MATRIX m;
ULONG ref;
unsigned int i, j;
IDWriteFontFace *fontface;
factory = create_factory_iid(&IID_IDWriteFactory4);
if (!factory) {
@ -8056,6 +8112,35 @@ static void test_ComputeGlyphOrigins(void)
return;
}
fontface = create_fontface((IDWriteFactory *)factory);
for (i = 0; i < ARRAY_SIZE(origins_tests); ++i)
{
run.fontFace = fontface;
run.fontEmSize = 32.0f;
run.glyphCount = 2;
run.glyphIndices = glyphs;
run.glyphAdvances = origins_tests[i].advances;
run.glyphOffsets = origins_tests[i].offsets;
run.isSideways = FALSE;
run.bidiLevel = origins_tests[i].bidi_level;
get_expected_glyph_origins(origins_tests[i].baseline_origin, &run, expected_origins);
memset(origins, 0, sizeof(origins));
hr = IDWriteFactory4_ComputeGlyphOrigins_(factory, &run, origins_tests[i].baseline_origin, origins);
ok(hr == S_OK, "%u: failed to compute glyph origins, hr %#x.\n", i, hr);
for (j = 0; j < run.glyphCount; ++j)
{
todo_wine_if(run.bidiLevel & 1)
ok(!memcmp(&origins[j], &expected_origins[j], sizeof(origins[j])),
"%u: unexpected origin[%u] (%f, %f) - (%f, %f).\n", i, j, origins[j].x, origins[j].y,
expected_origins[j].x, expected_origins[j].y);
}
}
IDWriteFontFace_Release(fontface);
advances[0] = 10.0f;
advances[1] = 20.0f;