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dwrite: Partial implementation of GetGdiCompatibleGlyphMetrics().

This commit is contained in:
Nikolay Sivov 2015-07-15 19:59:46 +03:00 committed by Alexandre Julliard
parent 0bc85e0aff
commit a3f2b6b856
1 changed files with 41 additions and 12 deletions
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53
dlls/dwrite/font.c
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@ -600,14 +600,48 @@ static HRESULT WINAPI dwritefontface_GetGdiCompatibleMetrics(IDWriteFontFace2 *i
return hr;
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleGlyphMetrics(IDWriteFontFace2 *iface, FLOAT emSize, FLOAT pixels_per_dip,
DWRITE_MATRIX const *transform, BOOL use_gdi_natural, UINT16 const *glyph_indices, UINT32 glyph_count,
static inline int round_metric(FLOAT metric)
{
return (int)floorf(metric + 0.5f);
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleGlyphMetrics(IDWriteFontFace2 *iface, FLOAT emSize, FLOAT ppdip,
DWRITE_MATRIX const *m, BOOL use_gdi_natural, UINT16 const *glyphs, UINT32 glyph_count,
DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p)->(%f %f %p %d %p %u %p %d): stub\n", This, emSize, pixels_per_dip, transform, use_gdi_natural, glyph_indices,
FLOAT scale;
HRESULT hr;
UINT32 i;
TRACE("(%p)->(%.2f %.2f %p %d %p %u %p %d)\n", This, emSize, ppdip, m, use_gdi_natural, glyphs,
glyph_count, metrics, is_sideways);
return E_NOTIMPL;
if (m && memcmp(m, &identity, sizeof(*m)))
FIXME("transform is not supported, %s\n", debugstr_matrix(m));
scale = emSize * ppdip / This->metrics.designUnitsPerEm;
for (i = 0; i < glyph_count; i++) {
DWRITE_GLYPH_METRICS *ret = metrics + i;
DWRITE_GLYPH_METRICS design;
hr = IDWriteFontFace2_GetDesignGlyphMetrics(iface, glyphs + i, 1, &design, is_sideways);
if (FAILED(hr))
return hr;
#define SCALE_METRIC(x) ret->x = round_metric(round_metric((design.x) * scale) / scale)
SCALE_METRIC(leftSideBearing);
SCALE_METRIC(advanceWidth);
SCALE_METRIC(rightSideBearing);
SCALE_METRIC(topSideBearing);
SCALE_METRIC(advanceHeight);
SCALE_METRIC(bottomSideBearing);
SCALE_METRIC(verticalOriginY);
#undef SCALE_METRIC
}
return S_OK;
}
static void WINAPI dwritefontface1_GetMetrics(IDWriteFontFace2 *iface, DWRITE_FONT_METRICS1 *metrics)
@ -617,11 +651,6 @@ static void WINAPI dwritefontface1_GetMetrics(IDWriteFontFace2 *iface, DWRITE_FO
*metrics = This->metrics;
}
static inline int round_metric(FLOAT metric)
{
return (int)floorf(metric + 0.5f);
}
static HRESULT WINAPI dwritefontface1_GetGdiCompatibleMetrics(IDWriteFontFace2 *iface, FLOAT em_size, FLOAT pixels_per_dip,
const DWRITE_MATRIX *m, DWRITE_FONT_METRICS1 *metrics)
{
@ -733,6 +762,7 @@ static HRESULT WINAPI dwritefontface1_GetGdiCompatibleGlyphAdvances(IDWriteFontF
BOOL is_sideways, UINT32 glyph_count, UINT16 const *glyphs, INT32 *advances)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FLOAT scale;
HRESULT hr;
UINT32 i;
@ -742,14 +772,13 @@ static HRESULT WINAPI dwritefontface1_GetGdiCompatibleGlyphAdvances(IDWriteFontF
if (m && memcmp(m, &identity, sizeof(*m)))
FIXME("transform is not supported, %s\n", debugstr_matrix(m));
for (i = 0; i < glyph_count; i++) {
FLOAT scale;
scale = em_size * ppdip / This->metrics.designUnitsPerEm;
for (i = 0; i < glyph_count; i++) {
hr = IDWriteFontFace2_GetDesignGlyphAdvances(iface, 1, glyphs + i, advances + i, is_sideways);
if (FAILED(hr))
return hr;
scale = em_size * ppdip / This->metrics.designUnitsPerEm;
#define SCALE_METRIC(x) x = round_metric(round_metric((x) * scale) / scale)
SCALE_METRIC(advances[i]);
#undef SCALE_METRIC