Put SVGPreview into it's own file.

1 files changed, 0 insertions, 417 deletions

diff --git a/src/ui/dialog/filedialogimpl-gtkmm.cpp b/src/ui/dialog/filedialogimpl-gtkmm.cpp
index b2fa87fe2..688b286b4 100644
--- a/src/ui/dialog/filedialogimpl-gtkmm.cpp
+++ b/src/ui/dialog/filedialogimpl-gtkmm.cpp
@@ -110,423 +110,6 @@ void findExpanderWidgets(Gtk::Container *parent, std::vector<Gtk::Expander *> &r
 
 
 /*#########################################################################
-### SVG Preview Widget
-#########################################################################*/
-
-bool SVGPreview::setDocument(SPDocument *doc)
-{
-    document = doc;
-
-    if (viewer) {
-        viewer->setDocument(document);
-    } else {
-        viewer = Gtk::manage(new Inkscape::UI::View::SVGViewWidget(document));
-        pack_start(*viewer, true, true);
-    }
-
-    show_all();
-
-    return true;
-}
-
-
-bool SVGPreview::setFileName(Glib::ustring &theFileName)
-{
-    Glib::ustring fileName = theFileName;
-
-    fileName = Glib::filename_to_utf8(fileName);
-
-    /**
-     * I don't know why passing false to keepalive is bad.  But it
-     * prevents the display of an svg with a non-ascii filename
-     */
-    SPDocument *doc = SPDocument::createNewDoc(fileName.c_str(), true);
-    if (!doc) {
-        g_warning("SVGView: error loading document '%s'\n", fileName.c_str());
-        return false;
-    }
-
-    setDocument(doc);
-
-    return true;
-}
-
-
-
-bool SVGPreview::setFromMem(char const *xmlBuffer)
-{
-    if (!xmlBuffer)
-        return false;
-
-    gint len = (gint)strlen(xmlBuffer);
-    SPDocument *doc = SPDocument::createNewDocFromMem(xmlBuffer, len, 0);
-    if (!doc) {
-        g_warning("SVGView: error loading buffer '%s'\n", xmlBuffer);
-        return false;
-    }
-
-    setDocument(doc);
-
-    return true;
-}
-
-
-
-void SVGPreview::showImage(Glib::ustring &theFileName)
-{
-    Glib::ustring fileName = theFileName;
-
-    // Let's get real width and height from SVG file. These are template
-    // files so we assume they are well formed.
-
-    // std::cout << "SVGPreview::showImage: " << theFileName << std::endl;
-    std::string width;
-    std::string height;
-
-    /*#####################################
-    # LET'S HAVE SOME FUN WITH SVG!
-    # Instead of just loading an image, why
-    # don't we make a lovely little svg and
-    # display it nicely?
-    #####################################*/
-
-    // Arbitrary size of svg doc -- rather 'portrait' shaped
-    gint previewWidth = 400;
-    gint previewHeight = 600;
-
-    // Get some image info. Smart pointer does not need to be deleted
-    Glib::RefPtr<Gdk::Pixbuf> img(nullptr);
-    try
-    {
-        img = Gdk::Pixbuf::create_from_file(fileName);
-    }
-    catch (const Glib::FileError &e)
-    {
-        g_message("caught Glib::FileError in SVGPreview::showImage");
-        return;
-    }
-    catch (const Gdk::PixbufError &e)
-    {
-        g_message("Gdk::PixbufError in SVGPreview::showImage");
-        return;
-    }
-    catch (...)
-    {
-        g_message("Caught ... in SVGPreview::showImage");
-        return;
-    }
-
-    gint imgWidth = img->get_width();
-    gint imgHeight = img->get_height();
-    
-    Glib::ustring svg = ".svg";
-    if (hasSuffix(fileName, svg)) {
-        std::ifstream input(theFileName.c_str());
-        if( !input ) {
-            std::cerr << "SVGPreview::showImage: Failed to open file: " << theFileName << std::endl;
-        } else {
-
-            std::string token;
-
-            Glib::MatchInfo match_info;
-            Glib::RefPtr<Glib::Regex> regex1 = Glib::Regex::create("width=\"(.*)\"");
-            Glib::RefPtr<Glib::Regex> regex2 = Glib::Regex::create("height=\"(.*)\"");
-     
-            while( !input.eof() && (height.empty() || width.empty()) ) {
-
-                input >> token;
-                // std::cout << "|" << token << "|" << std::endl;
-
-                if (regex1->match(token, match_info)) {
-                    width = match_info.fetch(1).raw();
-                }
-
-                if (regex2->match(token, match_info)) {
-                    height = match_info.fetch(1).raw();
-                }
-
-            }
-        }
-    }
-    
-    // TODO: replace int to string conversion with std::to_string when fully C++11 compliant
-    if (height.empty() || width.empty()) {
-        std::ostringstream s_width;
-        std::ostringstream s_height;
-        s_width << imgWidth;
-        s_height << imgHeight;
-        width = s_width.str();
-        height = s_height.str();
-    }
-
-    // Find the minimum scale to fit the image inside the preview area
-    double scaleFactorX = (0.9 * (double)previewWidth) / ((double)imgWidth);
-    double scaleFactorY = (0.9 * (double)previewHeight) / ((double)imgHeight);
-    double scaleFactor = scaleFactorX;
-    if (scaleFactorX > scaleFactorY)
-        scaleFactor = scaleFactorY;
-
-    // Now get the resized values
-    gint scaledImgWidth = (int)(scaleFactor * (double)imgWidth);
-    gint scaledImgHeight = (int)(scaleFactor * (double)imgHeight);
-
-    // center the image on the area
-    gint imgX = (previewWidth - scaledImgWidth) / 2;
-    gint imgY = (previewHeight - scaledImgHeight) / 2;
-
-    // wrap a rectangle around the image
-    gint rectX = imgX - 1;
-    gint rectY = imgY - 1;
-    gint rectWidth = scaledImgWidth + 2;
-    gint rectHeight = scaledImgHeight + 2;
-
-    // Our template.  Modify to taste
-    gchar const *xformat = R"A(
-<svg width="%d" height="%d"
-  xmlns="http://www.w3.org/2000/svg"
-  xmlns:xlink="http://www.w3.org/1999/xlink">
-  <rect width="100%" height="100%" style="fill:#eeeeee"/>
-  <image x="%d" y="%d" width="%d" height="%d" xlink:href="%s"/>
-  <rect  x="%d" y="%d" width="%d" height="%d" style="fill:none;stroke:black"/>
-  <text  x="50%" y="55%" style="font-family:sans-serif;font-size:24px;text-anchor:middle">%s x %s</text>
-</svg>
-)A";
-
-    // if (!Glib::get_charset()) //If we are not utf8
-    fileName = Glib::filename_to_utf8(fileName);
-
-    // Fill in the template
-    /* FIXME: Do proper XML quoting for fileName. */
-    gchar *xmlBuffer =
-        g_strdup_printf(xformat, previewWidth, previewHeight, imgX, imgY, scaledImgWidth, scaledImgHeight,
-                        fileName.c_str(), rectX, rectY, rectWidth, rectHeight, width.c_str(), height.c_str() );
-
-    // g_message("%s\n", xmlBuffer);
-
-    // now show it!
-    setFromMem(xmlBuffer);
-    g_free(xmlBuffer);
-}
-
-
-
-void SVGPreview::showNoPreview()
-{
-    // Are we already showing it?
-    if (showingNoPreview)
-        return;
-
-    // Our template.  Modify to taste
-    gchar const *xformat = R"B(
-<svg width="400" height="600"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(-160,90)" style="opacity:0.10">
-    <path style="fill:white"
-          d="M 397.64309 320.25301 L 280.39197 282.517 L 250.74227 124.83447 L 345.08225
-             29.146783 L 393.59996 46.667064 L 483.89679 135.61619 L 397.64309 320.25301 z"/>
-    <path d="M 476.95792 339.17168 C 495.78197 342.93607 499.54842 356.11361 495.78197 359.87802
-             C 492.01856 363.6434 482.6065 367.40781 475.07663 361.76014 C 467.54478
-             356.11361 467.54478 342.93607 476.95792 339.17168 z"
-             id="droplet01" />
-    <path d="M 286.46194 340.42914 C 284.6277 340.91835 269.30405 327.71337 257.16909 333.8338
-             C 245.03722 339.95336 236.89276 353.65666 248.22676 359.27982 C 259.56184 364.90298
-             267.66433 358.41867 277.60113 351.44119 C 287.53903 344.46477
-             287.18046 343.1206 286.46194 340.42914 z"
-             id= "droplet02"/>
-    <path d="M 510.35756 306.92856 C 520.59494 304.36879 544.24333 306.92856 540.47688 321.98634
-             C 536.71354 337.04806 504.71297 331.39827 484.00371 323.87156 C 482.12141
-             308.81083 505.53237 308.13423 510.35756 306.92856 z"
-             id="droplet03"/>
-    <path d="M 359.2403 21.362537 C 347.92693 21.362537 336.6347 25.683095 327.96556 34.35223 
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-             L 160.88418 219.04577 C 160.88418 219.08524 160.94076 219.12322 160.94269 219.16279
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-             109.62808 C 454.08837 110.24052 454.53956 110.86661 454.93688 111.50048 C 455.33532 112.13538
-             455.69164 112.78029 455.9901 113.43137 C 456.28877 114.08363 456.52291 114.75639 456.7215
-             115.42078 C 456.92126 116.08419 457.08982 116.73973 457.18961 117.41019 C 457.28949
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-             138.4453 L 267.08369 143.47735 L 267.63956 121.03795 C 267.63956 115.64823 296.69685
-             77.915899 314.39075 68.932902 L 346.77721 45.674327 C 351.55594 42.576634 354.90608
-             41.324327 357.92378 41.402939 z M 290.92738 261.61333 C 313.87149 267.56365 339.40299
-             275.37038 359.88393 275.50997 L 360.76161 284.72563 C 343.2235 282.91785 306.11346
-             274.45012 297.36372 269.98057 L 290.92738 261.61333 z"
-             id="mountainDroplet"/>
-  </g>
-  <text xml:space="preserve" x="200" y="320"
-        style="font-size:32px;font-weight:bold;text-anchor:middle">%s</text>
-</svg>
-)B";
-
-    // Fill in the template
-    gchar *xmlBuffer = g_strdup_printf(xformat, _("No preview"));
-
-    // g_message("%s\n", xmlBuffer);
-
-    // Now show it!
-    setFromMem(xmlBuffer);
-    g_free(xmlBuffer);
-    showingNoPreview = true;
-}
-
-
-/**
- * Inform the user that the svg file is too large to be displayed.
- * This does not check for sizes of embedded images (yet)
- */
-void SVGPreview::showTooLarge(long fileLength)
-{
-    // Our template.  Modify to taste
-    gchar const *xformat = R"C(
-<svg width="400" height="600"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(-160,90)" style="opacity:0.10">
-    <path style="fill:white"
-          d="M 397.64309 320.25301 L 280.39197 282.517 L 250.74227 124.83447 L 345.08225
-             29.146783 L 393.59996 46.667064 L 483.89679 135.61619 L 397.64309 320.25301 z"/>
-    <path d="M 476.95792 339.17168 C 495.78197 342.93607 499.54842 356.11361 495.78197 359.87802
-             C 492.01856 363.6434 482.6065 367.40781 475.07663 361.76014 C 467.54478
-             356.11361 467.54478 342.93607 476.95792 339.17168 z"
-             id="droplet01" />
-    <path d="M 286.46194 340.42914 C 284.6277 340.91835 269.30405 327.71337 257.16909 333.8338
-             C 245.03722 339.95336 236.89276 353.65666 248.22676 359.27982 C 259.56184 364.90298
-             267.66433 358.41867 277.60113 351.44119 C 287.53903 344.46477
-             287.18046 343.1206 286.46194 340.42914 z"
-             id= "droplet02"/>
-    <path d="M 510.35756 306.92856 C 520.59494 304.36879 544.24333 306.92856 540.47688 321.98634
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-             id="droplet03"/>
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-             id="mountainDroplet"/>
-  </g>
-  <text xml:space="preserve" x="200" y="280"
-        style="font-size:20px;font-weight:bold;text-anchor:middle">%.1f MB</text>
-  <text xml:space="preserve" x="200" y="360"
-        style="font-size:20px;font-weight:bold;text-anchor:middle">%s</text>
-</svg>
-)C";
-
-
-    // Fill in the template
-    double floatFileLength = ((double)fileLength) / 1048576.0;
-    // printf("%ld %f\n", fileLength, floatFileLength);
-
-    gchar *xmlBuffer =
-        g_strdup_printf(xformat, floatFileLength, _("Too large for preview"));
-
-    // g_message("%s\n", xmlBuffer);
-
-    // now show it!
-    setFromMem(xmlBuffer);
-    g_free(xmlBuffer);
-}
-
-bool SVGPreview::set(Glib::ustring &fileName, int dialogType)
-{
-
-    if (!Glib::file_test(fileName, Glib::FILE_TEST_EXISTS)) {
-        showNoPreview();
-        return false;
-    }
-
-    if (Glib::file_test(fileName, Glib::FILE_TEST_IS_DIR)) {
-        showNoPreview();
-        return false;
-    }
-
-    if (Glib::file_test(fileName, Glib::FILE_TEST_IS_REGULAR)) {
-        Glib::ustring fileNameUtf8 = Glib::filename_to_utf8(fileName);
-        gchar *fName = const_cast<gchar *>(
-            fileNameUtf8.c_str()); // const-cast probably not necessary? (not necessary on Windows version of stat())
-        GStatBuf info;
-        if (g_stat(fName, &info)) // stat returns 0 upon success
-        {
-            g_warning("SVGPreview::set() : %s : %s", fName, strerror(errno));
-            return false;
-        }
-        if (info.st_size > 0xA00000L) {
-            showingNoPreview = false;
-            showTooLarge(info.st_size);
-            return false;
-        }
-    }
-
-    Glib::ustring svg = ".svg";
-    Glib::ustring svgz = ".svgz";
-
-    if ((dialogType == SVG_TYPES || dialogType == IMPORT_TYPES) &&
-        (hasSuffix(fileName, svg) || hasSuffix(fileName, svgz))) {
-        bool retval = setFileName(fileName);
-        showingNoPreview = false;
-        return retval;
-    } else if (isValidImageFile(fileName)) {
-        showImage(fileName);
-        showingNoPreview = false;
-        return true;
-    } else {
-        showNoPreview();
-        return false;
-    }
-}
-
-
-SVGPreview::SVGPreview()
-    : document(nullptr)
-    , viewer(nullptr)
-    , showingNoPreview(false)
-{
-    set_size_request(200, 300);
-}
-
-SVGPreview::~SVGPreview()
-= default;
-
-
-/*#########################################################################
 ### F I L E     D I A L O G    B A S E    C L A S S
 #########################################################################*/