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Diffstat (limited to 'Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp')
-rw-r--r--Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp22
1 files changed, 14 insertions, 8 deletions
diff --git a/Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp b/Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp
index d0bf836..3fe15b3 100644
--- a/Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp
+++ b/Source/WebCore/platform/graphics/pango/SimpleFontDataPango.cpp
@@ -49,21 +49,27 @@ void SimpleFontData::platformInit()
cairo_font_extents_t font_extents;
cairo_text_extents_t text_extents;
cairo_scaled_font_extents(m_platformData.m_scaledFont, &font_extents);
- m_ascent = static_cast<int>(lroundf(font_extents.ascent));
- m_descent = static_cast<int>(lroundf(font_extents.descent));
- m_lineSpacing = static_cast<int>(lroundf(font_extents.height));
+
+ m_fontMetrics.setAscent(font_extents.ascent);
+ m_fontMetrics.setDescent(font_extents.descent);
+
// There seems to be some rounding error in cairo (or in how we
// use cairo) with some fonts, like DejaVu Sans Mono, which makes
// cairo report a height smaller than ascent + descent, which is
// wrong and confuses WebCore's layout system. Workaround this
// while we figure out what's going on.
- if (m_lineSpacing < m_ascent + m_descent)
- m_lineSpacing = m_ascent + m_descent;
+ float lineSpacing = font_extents.height;
+ if (lineSpacing < font_extents.ascent + font_extents.descent)
+ lineSpacing = font_extents.ascent + font_extents.descent;
+ m_fontMetrics.setLineSpacing(lroundf(lineSpacing));
+ m_fontMetrics.setLineGap(lineSpacing - font_extents.ascent - font_extents.descent);
+
cairo_scaled_font_text_extents(m_platformData.m_scaledFont, "x", &text_extents);
- m_xHeight = text_extents.height;
+ m_fontMetrics.setXHeight(text_extents.height);
+
cairo_scaled_font_text_extents(m_platformData.m_scaledFont, " ", &text_extents);
- m_spaceWidth = static_cast<float>(text_extents.x_advance);
- m_lineGap = m_lineSpacing - m_ascent - m_descent;
+ m_spaceWidth = static_cast<float>(text_extents.x_advance);
+
m_syntheticBoldOffset = m_platformData.syntheticBold() ? 1.0f : 0.f;
}