mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-13 17:20:55 +00:00
52a2eb2c52
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10424 a592a061-630c-0410-9148-cb99ea01b6c8
200 lines
3.3 KiB
C
200 lines
3.3 KiB
C
/**
|
|
* \file metricsinfo.C
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author André Pönitz
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "BufferView.h"
|
|
#include "LColor.h"
|
|
#include "metricsinfo.h"
|
|
|
|
#include "mathed/math_support.h"
|
|
|
|
#include "frontends/Painter.h"
|
|
|
|
#include <boost/assert.hpp>
|
|
|
|
using std::string;
|
|
|
|
|
|
MetricsBase::MetricsBase()
|
|
: bv(0), font(), style(LM_ST_TEXT), fontname("mathnormal"),
|
|
textwidth(0)
|
|
{}
|
|
|
|
|
|
MetricsBase::MetricsBase(BufferView * b, LyXFont const & f, int w)
|
|
: bv(b), font(f), style(LM_ST_TEXT), fontname("mathnormal"),
|
|
textwidth(w)
|
|
{}
|
|
|
|
|
|
|
|
MetricsInfo::MetricsInfo()
|
|
{}
|
|
|
|
|
|
MetricsInfo::MetricsInfo(BufferView * bv, LyXFont const & font, int textwidth)
|
|
: base(bv, font, textwidth)
|
|
{}
|
|
|
|
|
|
|
|
PainterInfo::PainterInfo(BufferView * bv, Painter & painter)
|
|
: pain(painter), ltr_pos(false), erased_(false)
|
|
{
|
|
base.bv = bv;
|
|
}
|
|
|
|
|
|
void PainterInfo::draw(int x, int y, char c)
|
|
{
|
|
pain.text(x, y, c, base.font);
|
|
}
|
|
|
|
|
|
void PainterInfo::draw(int x, int y, std::string const & str)
|
|
{
|
|
pain.text(x, y, str, base.font);
|
|
}
|
|
|
|
|
|
Styles smallerScriptStyle(Styles st)
|
|
{
|
|
switch (st) {
|
|
case LM_ST_DISPLAY:
|
|
case LM_ST_TEXT:
|
|
return LM_ST_SCRIPT;
|
|
case LM_ST_SCRIPT:
|
|
case LM_ST_SCRIPTSCRIPT:
|
|
default: // shut up compiler
|
|
return LM_ST_SCRIPTSCRIPT;
|
|
}
|
|
}
|
|
|
|
ScriptChanger::ScriptChanger(MetricsBase & mb)
|
|
: StyleChanger(mb, smallerScriptStyle(mb.style))
|
|
{}
|
|
|
|
|
|
|
|
Styles smallerFracStyle(Styles st)
|
|
{
|
|
switch (st) {
|
|
case LM_ST_DISPLAY:
|
|
return LM_ST_TEXT;
|
|
case LM_ST_TEXT:
|
|
return LM_ST_SCRIPT;
|
|
case LM_ST_SCRIPT:
|
|
case LM_ST_SCRIPTSCRIPT:
|
|
default: // shut up compiler
|
|
return LM_ST_SCRIPTSCRIPT;
|
|
}
|
|
}
|
|
|
|
|
|
FracChanger::FracChanger(MetricsBase & mb)
|
|
: StyleChanger(mb, smallerFracStyle(mb.style))
|
|
{}
|
|
|
|
|
|
|
|
ArrayChanger::ArrayChanger(MetricsBase & mb)
|
|
: StyleChanger(mb, mb.style == LM_ST_DISPLAY ? LM_ST_TEXT : mb.style)
|
|
{}
|
|
|
|
|
|
ShapeChanger::ShapeChanger(LyXFont & font, LyXFont::FONT_SHAPE shape)
|
|
: Changer<LyXFont, LyXFont::FONT_SHAPE>(font)
|
|
{
|
|
save_ = orig_.shape();
|
|
orig_.setShape(shape);
|
|
}
|
|
|
|
ShapeChanger::~ShapeChanger()
|
|
{
|
|
orig_.setShape(save_);
|
|
}
|
|
|
|
|
|
|
|
StyleChanger::StyleChanger(MetricsBase & mb, Styles style)
|
|
: Changer<MetricsBase>(mb)
|
|
{
|
|
static const int diff[4][4] =
|
|
{ { 0, 0, -3, -5 },
|
|
{ 0, 0, -3, -5 },
|
|
{ 3, 3, 0, -2 },
|
|
{ 5, 5, 2, 0 } };
|
|
save_ = mb;
|
|
int t = diff[mb.style][style];
|
|
if (t > 0)
|
|
while (t--)
|
|
mb.font.incSize();
|
|
else
|
|
while (t++)
|
|
mb.font.decSize();
|
|
mb.style = style;
|
|
}
|
|
|
|
|
|
StyleChanger::~StyleChanger()
|
|
{
|
|
orig_ = save_;
|
|
}
|
|
|
|
|
|
|
|
FontSetChanger::FontSetChanger(MetricsBase & mb, char const * name)
|
|
: Changer<MetricsBase>(mb)
|
|
{
|
|
save_ = mb;
|
|
LyXFont::FONT_SIZE oldsize = save_.font.size();
|
|
mb.fontname = name;
|
|
mb.font = LyXFont();
|
|
augmentFont(mb.font, name);
|
|
mb.font.setSize(oldsize);
|
|
}
|
|
|
|
|
|
FontSetChanger::~FontSetChanger()
|
|
{
|
|
orig_ = save_;
|
|
}
|
|
|
|
|
|
WidthChanger::WidthChanger(MetricsBase & mb, int w)
|
|
: Changer<MetricsBase>(mb)
|
|
{
|
|
save_ = mb;
|
|
mb.textwidth = w;
|
|
}
|
|
|
|
|
|
WidthChanger::~WidthChanger()
|
|
{
|
|
orig_ = save_;
|
|
}
|
|
|
|
|
|
|
|
|
|
ColorChanger::ColorChanger(LyXFont & font, string const & color)
|
|
: Changer<LyXFont, string>(font)
|
|
{
|
|
save_ = lcolor.getFromLyXName(color);
|
|
font.setColor(lcolor.getFromLyXName(color));
|
|
}
|
|
|
|
|
|
ColorChanger::~ColorChanger()
|
|
{
|
|
orig_.setColor(lcolor.getFromLyXName(save_));
|
|
}
|