]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetGraphics.cpp
InsetInfo: enable inset dissolve
[lyx.git] / src / insets / InsetGraphics.cpp
index d1458c05a3dc8df58e667226a05d7048a06e0ada..15c87e4e5e98aab81b2f901f28dfa2ef9b3c99ac 100644 (file)
@@ -74,6 +74,10 @@ TODO
 #include "frontends/alert.h"
 #include "frontends/Application.h"
 
+#include "graphics/GraphicsCache.h"
+#include "graphics/GraphicsCacheItem.h"
+#include "graphics/GraphicsImage.h"
+
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/docstream.h"
@@ -83,8 +87,11 @@ TODO
 #include "support/lyxlib.h"
 #include "support/lstrings.h"
 #include "support/os.h"
+#include "support/qstring_helpers.h"
 #include "support/Systemcall.h"
 
+#include <QProcess>
+
 #include <algorithm>
 #include <sstream>
 #include <tuple>
@@ -107,7 +114,7 @@ string findTargetFormat(string const & format, OutputParams const & runparams)
            || runparams.flavor == OutputParams::XETEX
            || runparams.flavor == OutputParams::LUATEX) {
                LYXERR(Debug::GRAPHICS, "findTargetFormat: PDF mode");
-               Format const * const f = formats.getFormat(format);
+               Format const * const f = theFormats().getFormat(format);
                // Convert vector graphics to pdf
                if (f && f->vectorFormat())
                        return "pdf6";
@@ -119,7 +126,7 @@ string findTargetFormat(string const & format, OutputParams const & runparams)
        }
        // for HTML, we leave the known formats and otherwise convert to png
        if (runparams.flavor == OutputParams::HTML) {
-               Format const * const f = formats.getFormat(format);
+               Format const * const f = theFormats().getFormat(format);
                // Convert vector graphics to svg
                if (f && f->vectorFormat() && theConverters().isReachable(format, "svg"))
                        return "svg";
@@ -165,7 +172,7 @@ void readInsetGraphics(Lexer & lex, Buffer const & buf, bool allowOrigin,
        }
 }
 
-} // namespace anon
+} // namespace
 
 
 InsetGraphics::InsetGraphics(Buffer * buf)
@@ -226,7 +233,7 @@ void InsetGraphics::doDispatch(Cursor & cur, FuncRequest & cmd)
                // if the inset is part of a graphics group, all the
                // other members should be updated too.
                if (!params_.groupId.empty())
-                       graphics::unifyGraphicsGroups(buffer(), 
+                       graphics::unifyGraphicsGroups(buffer(),
                                                      to_utf8(cmd.argument()));
                break;
        }
@@ -304,17 +311,81 @@ void InsetGraphics::read(Lexer & lex)
 }
 
 
-string InsetGraphics::createLatexOptions() const
+void InsetGraphics::outBoundingBox(graphics::BoundingBox & bbox) const
+{
+       if (bbox.empty())
+               return;
+
+       FileName const file(params().filename.absFileName());
+
+       // No correction is necessary for a postscript image
+       bool const zipped = theFormats().isZippedFile(file);
+       FileName const unzipped_file = zipped ? unzipFile(file) : file;
+       string const format = theFormats().getFormatFromFile(unzipped_file);
+       if (zipped)
+               unzipped_file.removeFile();
+       if (Formats::isPostScriptFileFormat(format))
+               return;
+
+       // Get the actual image dimensions in pixels
+       int width = 0;
+       int height = 0;
+       graphics::Cache & gc = graphics::Cache::get();
+       if (gc.inCache(file)) {
+               graphics::Image const * image = gc.item(file)->image();
+               if (image) {
+                       width  = image->width();
+                       height = image->height();
+               }
+       }
+       if (width == 0 || height == 0)
+               return;
+
+       // Use extractbb to find the dimensions in the typeset output
+       QProcess extractbb;
+       extractbb.start("extractbb", QStringList() << "-O" << toqstr(file.absFileName()));
+       if (!extractbb.waitForStarted() || !extractbb.waitForFinished()) {
+               LYXERR0("Cannot read output bounding box of " << file);
+               return;
+       }
+
+       string const result = extractbb.readAll().constData();
+       size_t i = result.find("%%BoundingBox:");
+       if (i == string::npos) {
+               LYXERR0("Cannot find output bounding box of " << file);
+               return;
+       }
+
+       string const bb = result.substr(i);
+       int out_width = convert<int>(token(bb, ' ', 3));
+       int out_height = convert<int>(token(bb, ' ', 4));
+
+       // Compute the scaling ratio and correct the bounding box
+       double scalex = out_width / double(width);
+       double scaley = out_height / double(height);
+
+       bbox.xl.value(scalex * bbox.xl.value());
+       bbox.xr.value(scalex * bbox.xr.value());
+       bbox.yb.value(scaley * bbox.yb.value());
+       bbox.yt.value(scaley * bbox.yt.value());
+}
+
+
+string InsetGraphics::createLatexOptions(bool const ps) const
 {
        // Calculate the options part of the command, we must do it to a string
        // stream since we might have a trailing comma that we would like to remove
        // before writing it to the output stream.
        ostringstream options;
-       if (!params().bbox.empty())
-               options << "bb=" << params().bbox.xl.asLatexString() << ' '
-                       << params().bbox.yb.asLatexString() << ' '
-                       << params().bbox.xr.asLatexString() << ' '
-                       << params().bbox.yt.asLatexString() << ',';
+       if (!params().bbox.empty()) {
+               graphics::BoundingBox out_bbox = params().bbox;
+               outBoundingBox(out_bbox);
+               string const key = ps ? "bb=" : "viewport=";
+               options << key << out_bbox.xl.asLatexString() << ' '
+                       << out_bbox.yb.asLatexString() << ' '
+                       << out_bbox.xr.asLatexString() << ' '
+                       << out_bbox.yt.asLatexString() << ',';
+       }
        if (params().draft)
            options << "draft,";
        if (params().clip)
@@ -413,6 +484,7 @@ docstring InsetGraphics::toDocbookLength(Length const & len) const
                case Length::PLW: // Percent of LineWidth
                case Length::PTH: // Percent of TextHeight
                case Length::PPH: // Percent of PaperHeight
+               case Length::BLS: // Percent of BaselineSkip
                        // Sigh, this will go wrong.
                        result << len.value() << "%";
                        break;
@@ -483,7 +555,7 @@ copyFileIfNeeded(FileName const & file_in, FileName const & file_out)
                // Nothing to do...
                return make_pair(IDENTICAL_CONTENTS, file_out);
 
-       Mover const & mover = getMover(formats.getFormatFromFile(file_in));
+       Mover const & mover = getMover(theFormats().getFormatFromFile(file_in));
        bool const success = mover.copy(file_in, file_out);
        if (!success) {
                // FIXME UNICODE
@@ -507,7 +579,7 @@ copyToDirIfNeeded(DocFileName const & file, string const & dir)
                return make_pair(IDENTICAL_PATHS, FileName(file_in));
 
        string mangled = file.mangledFileName();
-       if (formats.isZippedFile(file)) {
+       if (theFormats().isZippedFile(file)) {
                // We need to change _eps.gz to .eps.gz. The mangled name is
                // still unique because of the counter in mangledFileName().
                // We can't just call mangledFileName() with the zip
@@ -548,7 +620,7 @@ string const stripExtensionIfPossible(string const & file, string const & to, bo
 {
        // No conversion is needed. LaTeX can handle the graphic file as is.
        // This is true even if the orig_file is compressed.
-       string const to_format = formats.getFormat(to)->extension();
+       string const to_format = theFormats().getFormat(to)->extension();
        string const file_format = getExtension(file);
        // for latex .ps == .eps
        if (to_format == file_format ||
@@ -558,7 +630,7 @@ string const stripExtensionIfPossible(string const & file, string const & to, bo
        return latex_path(file, EXCLUDE_EXTENSION);
 }
 
-} // namespace anon
+} // namespace
 
 
 string InsetGraphics::prepareFile(OutputParams const & runparams) const
@@ -629,7 +701,7 @@ string InsetGraphics::prepareFile(OutputParams const & runparams) const
        // determine the export format
        string const tex_format = flavor2format(runparams.flavor);
 
-       if (formats.isZippedFile(params().filename)) {
+       if (theFormats().isZippedFile(params().filename)) {
                FileName const unzipped_temp_file =
                        FileName(unzippedFileName(temp_file.absFileName()));
                output_file = unzippedFileName(output_file);
@@ -646,12 +718,12 @@ string InsetGraphics::prepareFile(OutputParams const & runparams) const
                }
        }
 
-       string const from = formats.getFormatFromFile(temp_file);
+       string const from = theFormats().getFormatFromFile(temp_file);
        if (from.empty())
                LYXERR(Debug::GRAPHICS, "\tCould not get file format.");
 
        string const to   = findTargetFormat(from, runparams);
-       string const ext  = formats.extension(to);
+       string const ext  = theFormats().extension(to);
        LYXERR(Debug::GRAPHICS, "\t we have: from " << from << " to " << to);
 
        // We're going to be running the exported buffer through the LaTeX
@@ -666,12 +738,12 @@ string InsetGraphics::prepareFile(OutputParams const & runparams) const
                        // The LaTeX compiler will not be able to determine
                        // the file format from the extension, so we must
                        // change it.
-                       FileName const new_file = 
+                       FileName const new_file =
                                FileName(changeExtension(temp_file.absFileName(), ext));
                        if (temp_file.moveTo(new_file)) {
                                temp_file = new_file;
                                output_file = changeExtension(output_file, ext);
-                               source_file = 
+                               source_file =
                                        FileName(changeExtension(source_file.absFileName(), ext));
                        } else {
                                LYXERR(Debug::GRAPHICS, "Could not rename file `"
@@ -711,9 +783,15 @@ string InsetGraphics::prepareFile(OutputParams const & runparams) const
 
        // FIXME (Abdel 12/08/06): Is there a need to show these errors?
        ErrorList el;
-       if (theConverters().convert(&buffer(), temp_file, to_file, params().filename,
+       Converters::RetVal const rv = 
+           theConverters().convert(&buffer(), temp_file, to_file, params().filename,
                               from, to, el,
-                              Converters::try_default | Converters::try_cache)) {
+                              Converters::try_default | Converters::try_cache);
+       if (rv == Converters::KILLED) {
+               LYXERR0("Graphics preparation killed.");
+               if (buffer().isClone() && buffer().isExporting())
+                       throw ConversionException();
+       } else if (rv == Converters::SUCCESS) {
                runparams.exportdata->addExternalFile(tex_format,
                                to_file, output_to_file);
                runparams.exportdata->addExternalFile("dvi",
@@ -764,7 +842,9 @@ void InsetGraphics::latex(otexstream & os,
        before += "\\includegraphics";
 
        // Write the options if there are any.
-       string const opts = createLatexOptions();
+       bool const ps = runparams.flavor == OutputParams::LATEX
+               || runparams.flavor == OutputParams::DVILUATEX;
+       string const opts = createLatexOptions(ps);
        LYXERR(Debug::GRAPHICS, "\tOpts = " << opts);
 
        if (!opts.empty() && !message.empty())
@@ -893,14 +973,14 @@ string InsetGraphics::prepareHTMLFile(OutputParams const & runparams) const
        if (status == FAILURE)
                return string();
 
-       string const from = formats.getFormatFromFile(temp_file);
+       string const from = theFormats().getFormatFromFile(temp_file);
        if (from.empty()) {
                LYXERR(Debug::GRAPHICS, "\tCould not get file format.");
                return string();
        }
 
        string const to   = findTargetFormat(from, runparams);
-       string const ext  = formats.extension(to);
+       string const ext  = theFormats().extension(to);
        string const orig_file = params().filename.absFileName();
        string output_file = onlyFileName(temp_file.absFileName());
        LYXERR(Debug::GRAPHICS, "\t we have: from " << from << " to " << to);
@@ -934,10 +1014,15 @@ string InsetGraphics::prepareHTMLFile(OutputParams const & runparams) const
 
        // FIXME (Abdel 12/08/06): Is there a need to show these errors?
        ErrorList el;
-       bool const success = 
+       Converters::RetVal const rv =
                theConverters().convert(&buffer(), temp_file, to_file, params().filename,
                        from, to, el, Converters::try_default | Converters::try_cache);
-       if (!success)   
+       if (rv == Converters::KILLED) {
+               if (buffer().isClone() && buffer().isExporting())
+                       throw ConversionException();
+               return string();
+       }
+       if (rv != Converters::SUCCESS)
                return string();
        runparams.exportdata->addExternalFile("xhtml", to_file, output_to_file);
        return output_to_file;
@@ -946,18 +1031,18 @@ string InsetGraphics::prepareHTMLFile(OutputParams const & runparams) const
 
 docstring InsetGraphics::xhtml(XHTMLStream & xs, OutputParams const & op) const
 {
-       string const output_file = prepareHTMLFile(op);
+       string const output_file = op.dryrun ? string() : prepareHTMLFile(op);
 
-       if (output_file.empty()) {
-               LYXERR0("InsetGraphics::xhtml: Unable to prepare file `" 
+       if (output_file.empty() && !op.dryrun) {
+               LYXERR0("InsetGraphics::xhtml: Unable to prepare file `"
                        << params().filename << "' for output. File missing?");
-               string const attr = "src='" + params().filename.absFileName() 
+               string const attr = "src='" + params().filename.absFileName()
                                    + "' alt='image: " + output_file + "'";
                xs << html::CompTag("img", attr);
                return docstring();
        }
 
-       // FIXME XHTML 
+       // FIXME XHTML
        // We aren't doing anything with the crop and rotate parameters, and it would
        // really be better to do width and height conversion, rather than to output
        // these parameters here.
@@ -979,7 +1064,7 @@ docstring InsetGraphics::xhtml(XHTMLStream & xs, OutputParams const & op) const
        if (!imgstyle.empty())
                imgstyle = "style='" + imgstyle + "' ";
 
-       string const attr = imgstyle + "src='" + output_file + "' alt='image: " 
+       string const attr = imgstyle + "src='" + output_file + "' alt='image: "
                            + output_file + "'";
        xs << html::CompTag("img", attr);
        return docstring();
@@ -1030,17 +1115,17 @@ InsetGraphicsParams const & InsetGraphics::params() const
 
 void InsetGraphics::editGraphics(InsetGraphicsParams const & p) const
 {
-       formats.edit(buffer(), p.filename,
-                    formats.getFormatFromFile(p.filename));
+       theFormats().edit(buffer(), p.filename,
+                    theFormats().getFormatFromFile(p.filename));
 }
 
 
 void InsetGraphics::addToToc(DocIterator const & cpit, bool output_active,
-                                                        UpdateType) const
+                                                        UpdateType, TocBackend & backend) const
 {
        //FIXME UNICODE
        docstring const str = from_utf8(params_.filename.onlyFileName());
-       TocBuilder & b = buffer().tocBackend().builder("graphics");
+       TocBuilder & b = backend.builder("graphics");
        b.pushItem(cpit, str, output_active);
        b.pop();
 }
@@ -1091,13 +1176,14 @@ void getGraphicsGroups(Buffer const & b, set<string> & ids)
        Inset & inset = b.inset();
        InsetIterator it  = inset_iterator_begin(inset);
        InsetIterator const end = inset_iterator_end(inset);
-       for (; it != end; ++it)
-               if (it->lyxCode() == GRAPHICS_CODE) {
-                       InsetGraphics & ins = static_cast<InsetGraphics &>(*it);
-                       InsetGraphicsParams inspar = ins.getParams();
-                       if (!inspar.groupId.empty())
-                               ids.insert(inspar.groupId);
-               }
+       for (; it != end; ++it) {
+               InsetGraphics const * ins = it->asInsetGraphics();
+               if (!ins)
+                       continue;
+               InsetGraphicsParams const & inspar = ins->getParams();
+               if (!inspar.groupId.empty())
+                       ids.insert(inspar.groupId);
+       }
 }
 
 
@@ -1109,12 +1195,13 @@ int countGroupMembers(Buffer const & b, string const & groupId)
        Inset & inset = b.inset();
        InsetIterator it = inset_iterator_begin(inset);
        InsetIterator const end = inset_iterator_end(inset);
-       for (; it != end; ++it)
-               if (it->lyxCode() == GRAPHICS_CODE) {
-                       InsetGraphics & ins = static_cast<InsetGraphics &>(*it);
-                       if (ins.getParams().groupId == groupId)
-                               ++n;
-               }
+       for (; it != end; ++it) {
+               InsetGraphics const * ins = it->asInsetGraphics();
+               if (!ins)
+                       continue; 
+               if (ins->getParams().groupId == groupId)
+                       ++n;
+       }
        return n;
 }
 
@@ -1126,16 +1213,17 @@ string getGroupParams(Buffer const & b, string const & groupId)
        Inset & inset = b.inset();
        InsetIterator it  = inset_iterator_begin(inset);
        InsetIterator const end = inset_iterator_end(inset);
-       for (; it != end; ++it)
-               if (it->lyxCode() == GRAPHICS_CODE) {
-                       InsetGraphics & ins = static_cast<InsetGraphics &>(*it);
-                       InsetGraphicsParams inspar = ins.getParams();
-                       if (inspar.groupId == groupId) {
-                               InsetGraphicsParams tmp = inspar;
-                               tmp.filename.erase();
-                               return InsetGraphics::params2string(tmp, b);
-                       }
+       for (; it != end; ++it) {
+               InsetGraphics const * ins = it->asInsetGraphics();
+               if (!ins)
+                       continue;
+               InsetGraphicsParams const & inspar = ins->getParams();
+               if (inspar.groupId == groupId) {
+                       InsetGraphicsParams tmp = inspar;
+                       tmp.filename.erase();
+                       return InsetGraphics::params2string(tmp, b);
                }
+       }
        return string();
 }
 
@@ -1145,34 +1233,34 @@ void unifyGraphicsGroups(Buffer & b, string const & argument)
        InsetGraphicsParams params;
        InsetGraphics::string2params(argument, b, params);
 
-       b.undo().beginUndoGroup();
+       // This handles undo groups automagically
+       UndoGroupHelper ugh(&b);
        Inset & inset = b.inset();
        InsetIterator it  = inset_iterator_begin(inset);
        InsetIterator const end = inset_iterator_end(inset);
        for (; it != end; ++it) {
-               if (it->lyxCode() == GRAPHICS_CODE) {
-                       InsetGraphics & ins = static_cast<InsetGraphics &>(*it);
-                       InsetGraphicsParams inspar = ins.getParams();
-                       if (params.groupId == inspar.groupId) {
-                               b.undo().recordUndo(CursorData(it));
-                               params.filename = inspar.filename;
-                               ins.setParams(params);
-                       }
+               InsetGraphics * ins = it->asInsetGraphics();
+               if (!ins)
+                       continue;
+               InsetGraphicsParams const & inspar = ins->getParams();
+               if (params.groupId == inspar.groupId) {
+                       CursorData(it).recordUndo();
+                       params.filename = inspar.filename;
+                       ins->setParams(params);
                }
        }
-       b.undo().endUndoGroup();
 }
 
 
 InsetGraphics * getCurrentGraphicsInset(Cursor const & cur)
 {
        Inset * instmp = &cur.inset();
-       if (instmp->lyxCode() != GRAPHICS_CODE)
+       if (!instmp->asInsetGraphics())
                instmp = cur.nextInset();
-       if (!instmp || instmp->lyxCode() != GRAPHICS_CODE)
+       if (!instmp || !instmp->asInsetGraphics())
                return 0;
 
-       return static_cast<InsetGraphics *>(instmp);
+       return instmp->asInsetGraphics();
 }
 
 } // namespace graphics