]> git.lyx.org Git - lyx.git/blobdiff - src/Length.cpp
When a row is shortened, reset its flushed() attribute.
[lyx.git] / src / Length.cpp
index 35f6b0cb424060116e30511e127867e173227641..42188d8929e444387efbaec46668283ee49fbad7 100644 (file)
 
 #include "frontends/FontMetrics.h"
 
+#include "support/debug.h"
 #include "support/docstream.h"
 #include "support/lstrings.h"
+#include "support/lyxlib.h"
 
 #include <sstream>
 #include <iomanip>
@@ -50,7 +52,7 @@ Length::Length(double v, Length::UNIT u)
 
 
 Length::Length(string const & data)
-       : val_(0), unit_(Length::PT)
+       : val_(0), unit_(Length::UNIT_NONE)
 {
        Length tmp;
 
@@ -75,7 +77,8 @@ docstring const Length::asDocstring() const
 {
        odocstringstream os;
        if (unit_ != UNIT_NONE)
-               os << formatFPNumber(val_) << unit_name[unit_]; // setw?
+               os << from_ascii(formatFPNumber(val_))
+                  << from_ascii(unit_name[unit_]); // setw?
        return os.str();
 }
 
@@ -104,6 +107,9 @@ string const Length::asLatexString() const
        case PPH:
                os << formatFPNumber(val_ / 100.0) << "\\paperheight";
                break;
+       case BLS:
+               os << formatFPNumber(val_ / 100.0) << "\\baselineskip";
+               break;
        case UNIT_NONE:
                break;
        default:
@@ -144,6 +150,7 @@ string const Length::asHTMLString() const
        case PCW:
        case PTH:
        case PPH:
+       case BLS:
                // what it's a percentage of probably won't make sense for HTML,
                // so we'll assume people have chosen these appropriately
                os << formatFPNumber(val_) << '%';
@@ -195,7 +202,7 @@ bool Length::empty() const
 int Length::inPixels(int text_width, int em_width_base) const
 {
        // Zoom factor specified by user in percent
-       double const zoom = lyxrc.zoom / 100.0; // [percent]
+       double const zoom = lyxrc.currentZoom / 100.0; // [percent]
 
        // DPI setting for monitor: pixels/inch
        double const dpi = lyxrc.dpi; // screen resolution [pixels/inch]
@@ -214,7 +221,7 @@ int Length::inPixels(int text_width, int em_width_base) const
 
        double const text_width_in = text_width / (zoom * dpi);
        double const result = zoom * dpi * inInch(text_width_in, em_width_in);
-       return static_cast<int>(result + ((result >= 0) ? 0.5 : -0.5));
+       return support::iround(result);
 }
 
 
@@ -288,6 +295,12 @@ double Length::inInch(double text_width, double em_width) const
        case Length::PPH:
                result = val_ * text_width * 2.2 / 100;
                break;
+       case Length::BLS:
+               // baselineskip is approximately 1.2 times the font size for the cmr fonts
+               // The value actually depends on the current paragraph (see TextMetrics::setRowHeight),
+               // but we do not have this information here.
+               result = val_ * em_width * 1.2 / 100;
+               break;
        case Length::UNIT_NONE:
                result = 0;  // this cannot happen
                break;
@@ -298,7 +311,14 @@ double Length::inInch(double text_width, double em_width) const
 
 int Length::inPixels(MetricsBase const & base) const
 {
-       return inPixels(base.textwidth, theFontMetrics(base.font).em());
+       FontInfo fi = base.font;
+       if (unit_ == Length::MU)
+               // mu is 1/18th of an em in the math symbol font
+               fi.setFamily(SYMBOL_FAMILY);
+       else
+               // Math style is only taken into account in the case of mu
+               fi.setStyle(LM_ST_TEXT);
+       return inPixels(base.textwidth, theFontMetrics(fi).em());
 }
 
 
@@ -310,7 +330,7 @@ int Length::inBP() const
        double const text_width_in = 210.0 / 2.54; // assume A4
        double const em_width_in = 10.0 / 72.27;
        double result = 72.0 * inInch(text_width_in, em_width_in);
-       return static_cast<int>(result + 0.5);
+       return support::iround(result);
 }
 
 
@@ -353,7 +373,8 @@ GlueLength::GlueLength(Length const & len, Length const & plus,
 
 GlueLength::GlueLength(string const & data)
 {
-       isValidGlueLength(data, this);
+       if (!isValidGlueLength(data, this))
+               LYXERR0("Invalid glue length " + data);
 }