lyx_mirror/src/insets/insetgraphicsParams.C
Lars Gullik Bjønnes 8075064372 adjust
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2429 a592a061-630c-0410-9148-cb99ea01b6c8
2001-08-06 19:13:25 +00:00

336 lines
8.7 KiB
C

/* This file is part of
* =================================================
*
* LyX, The Document Processor
* Copyright 1995 Matthias Ettrich.
* Copyright 1995-2001 The LyX Team.
*
* This file Copyright 2000 Baruch Even
* ================================================= */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "insetgraphicsParams.h"
#include "support/translator.h"
#include "support/filetools.h"
#include "support/lyxlib.h"
#include "support/LOstream.h"
#include "support/LAssert.h"
namespace {
/// This variable keeps a tab on whether the translator was set with the
/// translations.
bool translatorsSet = false;
/// This is the translator between the Resize enum and corresponding lyx
/// file strings.
Translator< InsetGraphicsParams::Resize, string >
resizeTranslator(InsetGraphicsParams::DEFAULT_SIZE, "default");
/// This is the translator between the Origin enum and corresponding lyx
/// file strings.
Translator< InsetGraphicsParams::Origin, string >
originTranslator(InsetGraphicsParams::DEFAULT, "default");
/// This is the translator between the Display enum and corresponding lyx
/// file strings.
Translator< InsetGraphicsParams::DisplayType, string >
displayTranslator(InsetGraphicsParams::MONOCHROME, "monochrome");
} // namespace anon
InsetGraphicsParams::InsetGraphicsParams()
{
init();
// Set translators
if (! translatorsSet) {
translatorsSet = true;
// Fill the resize translator
resizeTranslator.addPair(DEFAULT_SIZE, "default");
resizeTranslator.addPair(CM, "cm");
resizeTranslator.addPair(INCH, "inch");
resizeTranslator.addPair(PERCENT_PAGE, "percentOfPage");
resizeTranslator.addPair(PERCENT_COLUMN, "percentOfColumn");
resizeTranslator.addPair(SCALE, "scale");
// Fill the origin translator
originTranslator.addPair(DEFAULT, "default");
originTranslator.addPair(LEFTTOP, "leftTop");
originTranslator.addPair(LEFTCENTER, "leftCenter");
originTranslator.addPair(LEFTBASELINE, "leftBaseLine");
originTranslator.addPair(LEFTBOTTOM, "leftBottom");
originTranslator.addPair(CENTERTOP, "centerTop");
originTranslator.addPair(CENTER, "center");
originTranslator.addPair(CENTERBASELINE, "centerBaseLine");
originTranslator.addPair(CENTERBOTTOM, "centerBottom");
originTranslator.addPair(RIGHTTOP, "rightTop");
originTranslator.addPair(RIGHTCENTER, "rightCenter");
originTranslator.addPair(RIGHTBASELINE, "rightBaseLine");
originTranslator.addPair(RIGHTBOTTOM, "rightBottom");
originTranslator.addPair(REFERENCE_POINT, "referencePoint");
// Fill the display translator
displayTranslator.addPair(MONOCHROME, "monochrome");
displayTranslator.addPair(GRAYSCALE, "grayscale");
displayTranslator.addPair(COLOR, "color");
displayTranslator.addPair(NONE, "none");
}
}
InsetGraphicsParams::InsetGraphicsParams(InsetGraphicsParams const & igp)
{
// I decided to skip the initialization since the copy will overwrite
// everything anyway.
// init();
copy(igp);
}
InsetGraphicsParams &
InsetGraphicsParams::operator=(InsetGraphicsParams const & params)
{
// Are we assigning the object into itself?
if (this == &params)
return * this;
copy(params);
return *this;
}
void InsetGraphicsParams::init()
{
subcaptionText = filename = string();
display = MONOCHROME;
subcaption = false;
keepAspectRatio = true;
widthResize = DEFAULT_SIZE;
widthSize = 0.0;
heightResize = DEFAULT_SIZE;
heightSize = 0.0;
rotateOrigin = DEFAULT;
rotateAngle = 0.0;
testInvariant();
}
void InsetGraphicsParams::copy(InsetGraphicsParams const & igp)
{
filename = igp.filename;
display = igp.display;
subcaption = igp.subcaption;
subcaptionText = igp.subcaptionText;
keepAspectRatio = igp.keepAspectRatio;
widthResize = igp.widthResize;
widthSize = igp.widthSize;
heightResize = igp.heightResize;
heightSize = igp.heightSize;
rotateOrigin = igp.rotateOrigin;
rotateAngle = igp.rotateAngle;
testInvariant();
}
void InsetGraphicsParams::testInvariant() const
{
// Filename might be empty (when the dialog is first created).
// Assert(!filename.empty());
lyx::Assert(display == COLOR ||
display == MONOCHROME ||
display == GRAYSCALE ||
display == NONE
);
lyx::Assert(widthResize == DEFAULT_SIZE ||
widthResize == CM ||
widthResize == INCH ||
widthResize == PERCENT_PAGE ||
widthResize == PERCENT_COLUMN ||
widthResize == SCALE
);
lyx::Assert(heightResize == DEFAULT_SIZE ||
heightResize == CM ||
heightResize == INCH ||
heightResize == PERCENT_PAGE ||
heightResize == SCALE
);
// For SCALE these can be negative.
//lyx::Assert(widthSize >= 0.0);
//lyx::Assert(heightSize >= 0.0);
// Angle is in degrees and ranges -360 < angle < 360
// The reason for this is that in latex there is a meaning for the
// different angles and they are not necessarliy interchangeable,
// it depends on the rotation origin.
lyx::Assert(rotateAngle < 360.0);
lyx::Assert(rotateAngle > -360.0);
}
bool operator==(InsetGraphicsParams const & left,
InsetGraphicsParams const & right)
{
if (left.filename == right.filename &&
left.display == right.display &&
left.subcaption == right.subcaption &&
left.subcaptionText == right.subcaptionText &&
left.keepAspectRatio == right.keepAspectRatio &&
left.widthResize == right.widthResize &&
left.widthSize == right.widthSize &&
left.heightResize == right.heightResize &&
left.heightSize == right.heightSize &&
left.rotateOrigin == right.rotateOrigin &&
lyx::float_equal(left.rotateAngle, right.rotateAngle, 0.001)
)
return true;
return false;
}
bool operator!=(InsetGraphicsParams const & left,
InsetGraphicsParams const & right)
{
return !(left == right);
}
namespace {
void writeResize(ostream & os, string const & key,
InsetGraphicsParams::Resize resize, double size)
{
os << ' ' << key << "Resize ";
os << resizeTranslator.find(resize);
os << ' ' << key << ' ' << size << '\n';
}
void writeOrigin(ostream & os,
InsetGraphicsParams::Origin origin)
{
os << " rotateOrigin " << originTranslator.find(origin);
os << '\n';
}
} // namespace anon
void InsetGraphicsParams::Write(Buffer const * buf, ostream & os) const
{
// If there is no filename, write nothing for it.
if (! filename.empty()) {
os << "filename "
<< MakeRelPath(filename, OnlyPath(buf->fileName()))
<< '\n';
}
// Save the display type
os << " display " << displayTranslator.find(display) << '\n';
// Save the subcaption status
if (subcaption)
os << " subcaption";
if (! subcaptionText.empty())
os << " subcaptionText \"" << subcaptionText << '\"' << '\n';
writeResize(os, "width", widthResize, widthSize);
writeResize(os, "height", heightResize, heightSize);
writeOrigin(os, rotateOrigin);
if (lyx::float_equal(rotateAngle, 0.0, 0.001))
os << " rotateAngle " << rotateAngle << '\n';
}
namespace {
void readResize(InsetGraphicsParams * igp, bool height,
string const & token)
{
InsetGraphicsParams::Resize resize = InsetGraphicsParams::DEFAULT_SIZE;
resize = resizeTranslator.find(token);
if (height)
igp->heightResize = resize;
else
igp->widthResize = resize;
}
void readOrigin(InsetGraphicsParams * igp, string const & token)
{
// TODO: complete this function.
igp->rotateOrigin = originTranslator.find(token);
}
} // namespace anon
bool InsetGraphicsParams::Read(Buffer const * buf, LyXLex & lex,
string const& token)
{
if (token == "filename") {
lex.next();
filename = lex.getString();
if (!filename.empty()) {
// Make the filename with absolute directory.
filename = MakeAbsPath(filename, OnlyPath(buf->fileName()));
}
} else if (token == "display") {
lex.next();
string const type = lex.getString();
display = displayTranslator.find(type);
} else if (token == "subcaption") {
subcaption = true;
} else if (token == "subcaptionText") {
lex.next();
subcaptionText = lex.getString();
} else if (token == "widthResize") {
lex.next();
string const token = lex.getString();
readResize(this, false, token);
} else if (token == "width") {
lex.next();
widthSize = lex.getFloat();
} else if (token == "heightResize") {
lex.next();
string const token = lex.getString();
readResize(this, true, token);
} else if (token == "height") {
lex.next();
heightSize = lex.getFloat();
} else if (token == "rotateOrigin") {
lex.next();
string const token = lex.getString();
readOrigin(this, token);
} else if (token == "rotateAngle") {
lex.next();
rotateAngle = lex.getFloat();
} else {
// If it's none of the above, its not ours.
return false;
}
return true;
}