Reduce the number of accesses to coord cache when drawing a math row

[lyx.git] / src / mathed / InsetMathSqrt.cpp

diff --git a/src/mathed/InsetMathSqrt.cpp b/src/mathed/InsetMathSqrt.cpp
index d11dac084cf9ee640cfaa04b590b562c832e2e59..7cfe028c242cec0c09ba42083db3f9a1ecba29ff 100644 (file)
--- a/src/mathed/InsetMathSqrt.cpp
+++ b/src/mathed/InsetMathSqrt.cpp
@@ -12,6 +12,7 @@
 
 #include "InsetMathSqrt.h"
 
+#include "InsetMathRoot.h"
 #include "MathData.h"
 #include "MathStream.h"
 #include "MathSupport.h"
@@ -38,33 +39,13 @@ Inset * InsetMathSqrt::clone() const
 
 void InsetMathSqrt::metrics(MetricsInfo & mi, Dimension & dim) const
 {
-       Changer dummy = mi.base.changeEnsureMath();
-       cell(0).metrics(mi, dim);
-       // make sure that the dim is high enough for any character
-       Dimension fontDim;
-       math_font_max_dim(mi.base.font, fontDim.asc, fontDim.des);
-       dim += fontDim;
-       // Some room for the decoration
-       dim.asc += 1;
-       dim.wid += 7;
+       mathed_root_metrics(mi, cell(0), nullptr, dim);
 }
 
 
 void InsetMathSqrt::draw(PainterInfo & pi, int x, int y) const
 {
-       Changer dummy = pi.base.changeEnsureMath();
-       cell(0).draw(pi, x + 9, y);
-       Dimension const dim = dimension(*pi.base.bv);
-       int const a = dim.ascent();
-       int const d = dim.descent();
-       int xp[3];
-       int yp[3];
-       pi.pain.line(x + dim.width(), y - a + 1,
-               x + 7, y - a + 1, pi.base.font.color());
-       xp[0] = x + 7;            yp[0] = y - a + 1;
-       xp[1] = x + 4;            yp[1] = y + d - 1;
-       xp[2] = x;                yp[2] = y + (d - a)/2;
-       pi.pain.lines(xp, yp, 3, pi.base.font.color());
+       mathed_draw_root(pi, x, y, cell(0), nullptr, dimension(*pi.base.bv));
 }
 
 
@@ -88,7 +69,7 @@ void InsetMathSqrt::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
 }
 
 
-void InsetMathSqrt::write(WriteStream & os) const
+void InsetMathSqrt::write(TeXMathStream & os) const
 {
        MathEnsurer ensurer(os);
        os << "\\sqrt{" << cell(0) << '}';
@@ -117,17 +98,17 @@ void InsetMathSqrt::octave(OctaveStream & os) const
 }
 
 
-void InsetMathSqrt::mathmlize(MathStream & os) const
+void InsetMathSqrt::mathmlize(MathMLStream & ms) const
 {
-       os << MTag("msqrt") << cell(0) << ETag("msqrt");
+       ms << MTag("msqrt") << cell(0) << ETag("msqrt");
 }
 
 
 void InsetMathSqrt::htmlize(HtmlStream & os) const
 {
        os << MTag("span", "class='sqrt'")
-          << from_ascii("&radic;") 
-          << MTag("span", "class='sqrtof'")    << cell(0) << ETag("span") 
+          << from_ascii("&radic;")
+          << MTag("span", "class='sqrtof'")    << cell(0) << ETag("span")
                 << ETag("span");
 }