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path: root/src/ports/SkFontHost_FreeType.cpp
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Diffstat (limited to 'src/ports/SkFontHost_FreeType.cpp')
-rw-r--r--src/ports/SkFontHost_FreeType.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/ports/SkFontHost_FreeType.cpp b/src/ports/SkFontHost_FreeType.cpp
index cb7ce8028d..fce8259a39 100644
--- a/src/ports/SkFontHost_FreeType.cpp
+++ b/src/ports/SkFontHost_FreeType.cpp
@@ -1390,6 +1390,7 @@ void SkScalerContext_FreeType::generateFontMetrics(SkPaint::FontMetrics* mx,
// pull from format-specific metrics as needed
SkScalar ascent, descent, leading, xmin, xmax, ymin, ymax;
+ SkScalar underlineThickness, underlinePosition;
if (face->face_flags & FT_FACE_FLAG_SCALABLE) { // scalable outline font
ascent = -SkIntToScalar(face->ascender) / upem;
descent = -SkIntToScalar(face->descender) / upem;
@@ -1398,6 +1399,17 @@ void SkScalerContext_FreeType::generateFontMetrics(SkPaint::FontMetrics* mx,
xmax = SkIntToScalar(face->bbox.xMax) / upem;
ymin = -SkIntToScalar(face->bbox.yMin) / upem;
ymax = -SkIntToScalar(face->bbox.yMax) / upem;
+ underlineThickness = SkIntToScalar(face->underline_thickness) / upem;
+ underlinePosition = -SkIntToScalar(face->underline_position) / upem;
+
+ if(mx) {
+ mx->fFlags |= SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag;
+ mx->fFlags |= SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag;
+ }
+ if(my){
+ my->fFlags |= SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag;
+ my->fFlags |= SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag;
+ }
// we may be able to synthesize x_height and cap_height from outline
if (!x_height) {
FT_BBox bbox;
@@ -1422,6 +1434,17 @@ void SkScalerContext_FreeType::generateFontMetrics(SkPaint::FontMetrics* mx,
xmax = SkIntToScalar(face->available_sizes[fStrikeIndex].width) / xppem;
ymin = descent + leading;
ymax = ascent - descent;
+ underlineThickness = 0;
+ underlinePosition = 0;
+
+ if(mx) {
+ mx->fFlags &= ~SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag;
+ mx->fFlags &= ~SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag;
+ }
+ if(my){
+ my->fFlags &= ~SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag;
+ my->fFlags &= ~SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag;
+ }
} else {
goto ERROR;
}
@@ -1453,6 +1476,8 @@ void SkScalerContext_FreeType::generateFontMetrics(SkPaint::FontMetrics* mx,
mx->fXMax = xmax;
mx->fXHeight = x_height;
mx->fCapHeight = cap_height;
+ mx->fUnderlineThickness = underlineThickness;
+ mx->fUnderlinePosition = underlinePosition;
}
if (my) {
my->fTop = ymax * myy;
@@ -1465,6 +1490,8 @@ void SkScalerContext_FreeType::generateFontMetrics(SkPaint::FontMetrics* mx,
my->fXMax = xmax;
my->fXHeight = x_height;
my->fCapHeight = cap_height;
+ my->fUnderlineThickness = underlineThickness;
+ my->fUnderlinePosition = underlinePosition;
}
}