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convert TeX units to Docbook units where possible (Andreas Vox)

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9041 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
José Matox 2004-10-04 13:56:04 +00:00
parent dec1f2fd28
commit 2aac4a9c00
3 changed files with 81 additions and 6 deletions
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8
src/insets/ChangeLog
View File

@ -1,3 +1,11 @@
2004-09-29 Andreas Vox <vox@isp.uni-luebeck.de>
* insetgraphics.C (createDocBookAttribute, docbook) :
convert scale, width, height and keepaspectratio to Docbook standards)
* insetgraphics.[hC] (toDocbookLength): new method to convert TeX units
to Docbook units where possible.
2004-09-29 Andreas Vox <vox@isp.uni-luebeck.de>
* insetgraphics.C (docbook): create inlinegraphic instead of graphic.

77
src/insets/insetgraphics.C
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@ -64,6 +64,7 @@ TODO
#include "gettext.h"
#include "LaTeXFeatures.h"
#include "lyx_main.h"
#include "lyxlength.h"
#include "lyxlex.h"
#include "metricsinfo.h"
#include "outputparams.h"
@ -337,10 +338,67 @@ string const InsetGraphics::createLatexOptions() const
}
string const InsetGraphics::toDocbookLength(LyXLength const & len) const
{
ostringstream result;
switch (len.unit() ) {
case LyXLength::SP: //< Scaled point (65536sp = 1pt) TeX's smallest unit.
result << len.value() * 65536.0 * 72 / 72.27 << "pt";
break;
case LyXLength::PT: //< Point = 1/72.27in = 0.351mm
result << len.value() * 72 / 72.27 << "pt";
break;
case LyXLength::BP: //< Big point (72bp = 1in), also PostScript point
result << len.value() << "pt";
break;
case LyXLength::DD: //< Didot point = 1/72 of a French inch, = 0.376mm
result << len.value() * 0.376 << "mm";
break;
case LyXLength::MM: //< Millimeter = 2.845pt
result << len.value() << "mm";
break;
case LyXLength::PC: //< Pica = 12pt = 4.218mm
result << len.value() << "pc";
break;
case LyXLength::CC: //< Cicero = 12dd = 4.531mm
result << len.value() * 4.531 << "mm";
break;
case LyXLength::CM: //< Centimeter = 10mm = 2.371pc
result << len.value() << "cm";
break;
case LyXLength::IN: //< Inch = 25.4mm = 72.27pt = 6.022pc
result << len.value() << "in";
break;
case LyXLength::EX: //< Height of a small "x" for the current font.
// Obviously we have to compromise here. Any better ratio than 1.5 ?
result << len.value() / 1.5 << "em";
break;
case LyXLength::EM: //< Width of capital "M" in current font.
result << len.value() << "em";
break;
case LyXLength::MU: //< Math unit (18mu = 1em) for positioning in math mode
result << len.value() * 18 << "em";
break;
case LyXLength::PTW: //< Percent of TextWidth
case LyXLength::PCW: //< Percent of ColumnWidth
case LyXLength::PPW: //< Percent of PageWidth
case LyXLength::PLW: //< Percent of LineWidth
case LyXLength::PTH: //< Percent of TextHeight
case LyXLength::PPH: //< Percent of Paper
// Sigh, this will go wrong.
result << len.value() << "%";
break;
default:
result << len.asString();
break;
}
return result.str();
}
string const InsetGraphics::createDocBookAttributes() const
{
// Calculate the options part of the command, we must do it to a string
// stream since we copied the code from createLatexParams()
// stream since we copied the code from createLatexParams() ;-)
// FIXME: av: need to translate spec -> Docbook XSL spec (http://www.sagehill.net/docbookxsl/ImageSizing.html)
// Right now it only works with my version of db2latex :-)
@ -348,14 +406,21 @@ string const InsetGraphics::createDocBookAttributes() const
ostringstream options;
if (!float_equal(params().scale, 0.0, 0.05)) {
if (!float_equal(params().scale, 100.0, 0.05))
options << " scale=\"" << params().scale / 100.0
options << " scale=\"" << static_cast<int>( (params().scale) + 0.5 )
<< "\" ";
} else {
if (!params().width.zero())
options << " width=\"" << params().width.asLatexString() << "\" ";
if (!params().height.zero())
options << " depth=\"" << params().height.asLatexString() << "\" ";
if ( ! params().width.zero()) {
options << " width=\"" << toDocbookLength(params().width) << "\" ";
}
if ( ! params().height.zero()) {
options << " depth=\"" << toDocbookLength(params().height) << "\" ";
}
if ( params().keepAspectRatio ) {
// This will be irrelevant unless both width and height are set
options << "scalefit=\"1\" ";
}
}
if (!params().special.empty())
options << params().special << " ";

2
src/insets/insetgraphics.h
View File

@ -95,6 +95,8 @@ private:
std::string const statusMessage() const;
/// Create the options for the latex command.
std::string const createLatexOptions() const;
/// Create length values for docbook export.
std::string const toDocbookLength(LyXLength const & len) const;
/// Create the atributes for docbook export.
std::string const createDocBookAttributes() const;
/// Convert the file if needed, and return the location of the file.