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dwrite: Round advances returned from GetGdiCompatibleGlyphPlacements().

This commit is contained in:
Nikolay Sivov 2015-07-16 13:11:54 +03:00 committed by Alexandre Julliard
parent a92390f707
commit 2132a060ea
2 changed files with 99 additions and 7 deletions
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16
dlls/dwrite/analyzer.c
View File

@ -21,6 +21,8 @@
#define COBJMACROS
#include <math.h>
#include "dwrite_private.h"
#include "scripts.h"
@ -1066,7 +1068,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGlyphPlacements(IDWriteTextAnalyzer2
static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWriteTextAnalyzer2 *iface,
WCHAR const* text, UINT16 const* clustermap, DWRITE_SHAPING_TEXT_PROPERTIES* props,
UINT32 text_len, UINT16 const* glyphs, DWRITE_SHAPING_GLYPH_PROPERTIES const* glyph_props,
UINT32 glyph_count, IDWriteFontFace *fontface, FLOAT emSize, FLOAT pixels_per_dip,
UINT32 glyph_count, IDWriteFontFace *fontface, FLOAT emSize, FLOAT ppdip,
DWRITE_MATRIX const* transform, BOOL use_gdi_natural, BOOL is_sideways, BOOL is_rtl,
DWRITE_SCRIPT_ANALYSIS const* analysis, WCHAR const* locale, DWRITE_TYPOGRAPHIC_FEATURES const** features,
UINT32 const* feature_range_lengths, UINT32 feature_ranges, FLOAT *advances, DWRITE_GLYPH_OFFSET *offsets)
@ -1077,7 +1079,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWrite
UINT32 i;
TRACE("(%s %p %p %u %p %p %u %p %.2f %.2f %p %d %d %d %p %s %p %p %u %p %p)\n", debugstr_wn(text, text_len),
clustermap, props, text_len, glyphs, glyph_props, glyph_count, fontface, emSize, pixels_per_dip,
clustermap, props, text_len, glyphs, glyph_props, glyph_count, fontface, emSize, ppdip,
transform, use_gdi_natural, is_sideways, is_rtl, analysis, debugstr_w(locale), features, feature_range_lengths,
feature_ranges, advances, offsets);
@ -1090,7 +1092,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWrite
return hr;
}
hr = IDWriteFontFace_GetGdiCompatibleMetrics(fontface, emSize, pixels_per_dip, transform, &metrics);
hr = IDWriteFontFace_GetGdiCompatibleMetrics(fontface, emSize, ppdip, transform, &metrics);
if (FAILED(hr)) {
IDWriteFontFace1_Release(fontface1);
WARN("failed to get compat metrics, 0x%08x\n", hr);
@ -1099,12 +1101,12 @@ static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWrite
for (i = 0; i < glyph_count; i++) {
INT32 a;
hr = IDWriteFontFace1_GetGdiCompatibleGlyphAdvances(fontface1, emSize, pixels_per_dip,
hr = IDWriteFontFace1_GetGdiCompatibleGlyphAdvances(fontface1, emSize, ppdip,
transform, use_gdi_natural, is_sideways, 1, &glyphs[i], &a);
if (FAILED(hr))
a = 0;
advances[i] = get_scaled_advance_width(a, emSize, &metrics);
advances[i] = 0.0;
else
advances[i] = floorf(a * emSize * ppdip / metrics.designUnitsPerEm + 0.5f) / ppdip;
offsets[i].advanceOffset = 0.0;
offsets[i].ascenderOffset = 0.0;
}

90
dlls/dwrite/tests/analyzer.c
View File

@ -22,6 +22,8 @@
#include <assert.h>
#include <stdio.h>
#include <limits.h>
#include <math.h>
#include "initguid.h"
#include "windows.h"
@ -1878,6 +1880,93 @@ todo_wine {
IDWriteTextAnalyzer1_Release(analyzer1);
}
static inline BOOL float_eq(FLOAT left, FLOAT right)
{
int x = *(int *)&left;
int y = *(int *)&right;
if (x < 0)
x = INT_MIN - x;
if (y < 0)
y = INT_MIN - y;
return abs(x - y) <= 8;
}
static void test_GetGdiCompatibleGlyphPlacements(void)
{
static const WCHAR strW[] = {'A',0};
DWRITE_SHAPING_GLYPH_PROPERTIES glyphprops[1];
DWRITE_SHAPING_TEXT_PROPERTIES textprops[1];
DWRITE_SCRIPT_ANALYSIS sa = { 0 };
IDWriteTextAnalyzer *analyzer;
IDWriteFontFace *fontface;
UINT16 clustermap[1];
HRESULT hr;
UINT32 count;
UINT16 glyphs[1];
FLOAT advance;
DWRITE_GLYPH_OFFSET offsets[1];
DWRITE_FONT_METRICS fontmetrics;
FLOAT emsize;
hr = IDWriteFactory_CreateTextAnalyzer(factory, &analyzer);
ok(hr == S_OK, "got 0x%08x\n", hr);
fontface = create_fontface();
IDWriteFontFace_GetMetrics(fontface, &fontmetrics);
count = 0;
hr = IDWriteTextAnalyzer_GetGlyphs(analyzer, strW, 1, fontface,
FALSE, FALSE, &sa, NULL, NULL, NULL, NULL, 0, 1, clustermap,
textprops, glyphs, glyphprops, &count);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(count == 1, "got %u\n", count);
for (emsize = 12.0; emsize <= 20.0; emsize += 1.0) {
FLOAT compatadvance, expected, ppdip;
DWRITE_GLYPH_METRICS metrics;
hr = IDWriteTextAnalyzer_GetGlyphPlacements(analyzer, strW, clustermap,
textprops, 1, glyphs, glyphprops, count, fontface, emsize, FALSE, FALSE,
&sa, NULL, NULL, NULL, 0, &advance, offsets);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(advance > 0.0, "got %f\n", advance);
/* 1 ppdip, no transform */
ppdip = 1.0;
hr = IDWriteFontFace_GetGdiCompatibleGlyphMetrics(fontface, emsize, ppdip, NULL, FALSE,
glyphs, 1, &metrics, FALSE);
ok(hr == S_OK, "got 0x%08x\n", hr);
expected = floorf(metrics.advanceWidth * emsize * ppdip / fontmetrics.designUnitsPerEm + 0.5f) / ppdip;
hr = IDWriteTextAnalyzer_GetGdiCompatibleGlyphPlacements(analyzer, strW,
clustermap, textprops, 1, glyphs, glyphprops, count, fontface, emsize,
ppdip, NULL, FALSE, FALSE, FALSE, &sa, NULL, NULL, NULL, 0, &compatadvance, offsets);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(compatadvance == expected, "%.0f: got advance %f, expected %f, natural %f\n", emsize,
compatadvance, expected, advance);
/* 1.2 ppdip, no transform */
ppdip = 1.2;
hr = IDWriteFontFace_GetGdiCompatibleGlyphMetrics(fontface, emsize, ppdip, NULL, FALSE,
glyphs, 1, &metrics, FALSE);
ok(hr == S_OK, "got 0x%08x\n", hr);
expected = floorf(metrics.advanceWidth * emsize * ppdip / fontmetrics.designUnitsPerEm + 0.5f) / ppdip;
hr = IDWriteTextAnalyzer_GetGdiCompatibleGlyphPlacements(analyzer, strW,
clustermap, textprops, 1, glyphs, glyphprops, count, fontface, emsize,
ppdip, NULL, FALSE, FALSE, FALSE, &sa, NULL, NULL, NULL, 0, &compatadvance, offsets);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(float_eq(compatadvance, expected), "%.0f: got advance %f, expected %f, natural %f\n", emsize,
compatadvance, expected, advance);
}
IDWriteFontFace_Release(fontface);
IDWriteTextAnalyzer_Release(analyzer);
}
START_TEST(analyzer)
{
HRESULT hr;
@ -1904,6 +1993,7 @@ START_TEST(analyzer)
test_ApplyCharacterSpacing();
test_GetGlyphOrientationTransform();
test_GetBaseline();
test_GetGdiCompatibleGlyphPlacements();
IDWriteFactory_Release(factory);
}