#include "imageicon.h"

#include <sys/stat.h>

#include "svg-view-widget.h"

#include "document.h"

#include "inkscape.h"

#include <glibmm/convert.h>

#include <glibmm/fileutils.h>

namespace Inkscape

{

namespace UI

{

namespace Widget

{

typedef enum {

SVG_TYPES,

IMPORT_TYPES,

EXPORT_TYPES

} FileDialogType;

ImageIcon::ImageIcon()

{

init();

}

ImageIcon::ImageIcon(const Glib::ustring &fileName)

{

init();

showSvgFile(fileName);

}

ImageIcon::ImageIcon(const ImageIcon &other)

: sigc::trackable(), Glib::ObjectBase(), Gtk::VBox()

{

init();

document = other.document;

viewerGtkmm = other.viewerGtkmm;

showingBrokenImage = other.showingBrokenImage;

}

ImageIcon::~ImageIcon()

{

if (document)

document->doUnref();

}

void ImageIcon::init()

{

if (!INKSCAPE)

inkscape_application_init("",false);

document = NULL;

viewerGtkmm = NULL;

//set_size_request(150,150);

showingBrokenImage = false;

}

bool ImageIcon::showSvgDocument(const SPDocument *docArg)

{

if (document)

document->doUnref();

SPDocument *doc = const_cast<SPDocument *>(docArg);

doc->doRef();

document = doc;

//This should remove it from the box, and free resources

//if (viewerGtkmm)

// viewerGtkmm->destroy();

GtkWidget *viewerGtk = sp_svg_view_widget_new(doc);

viewerGtkmm = Glib::wrap(viewerGtk);

viewerGtkmm->show();

pack_start(*viewerGtkmm, TRUE, TRUE, 0);

//GtkWidget *vbox = GTK_WIDGET(gobj());

//gtk_box_pack_start(GTK_BOX(vbox), viewerGtk, TRUE, TRUE, 0);

return true;

}

bool ImageIcon::showSvgFile(const Glib::ustring &theFileName)

{

Glib::ustring fileName = theFileName;

fileName = Glib::filename_to_utf8(fileName);

SPDocument *doc = SPDocument::createNewDoc (fileName.c_str(), 0);

if (!doc) {

g_warning("SVGView: error loading document '%s'\n", fileName.c_str());

return false;

}

showSvgDocument(doc);

doc->doUnref();

return true;

}

bool ImageIcon::showSvgFromMemory(const char *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;

}

showSvgDocument(doc);

doc->doUnref();

return true;

}

bool ImageIcon::showBitmap(const Glib::ustring &theFileName)

{

Glib::ustring fileName = theFileName;

/*#####################################

//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 = Gdk::Pixbuf::create_from_file(fileName);

gint imgWidth = img->get_width();

gint imgHeight = img->get_height();

//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 =

"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"

"<svg\n"

"xmlns=\"http://www.w3.org/2000/svg\"\n"

"xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"

"width=\"%d\" height=\"%d\">\n"

"<rect\n"

" style=\"fill:#eeeeee;stroke:none\"\n"

" x=\"-100\" y=\"-100\" width=\"4000\" height=\"4000\"/>\n"

"<image x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\"\n"

"xlink:href=\"%s\"/>\n"

"<rect\n"

" style=\"fill:none;"

" stroke:#000000;stroke-width:1.0;"

" stroke-linejoin:miter;stroke-opacity:1.0000000;"

" stroke-miterlimit:4.0000000;stroke-dasharray:none\"\n"

" x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\"/>\n"

"</svg>\n\n";

//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);

//g_message("%s\n", xmlBuffer);

//now show it!

showSvgFromMemory(xmlBuffer);

g_free(xmlBuffer);

return true;

}

void ImageIcon::showBrokenImage(const Glib::ustring &errorMessage)

{

//Are we already showing it?

if (showingBrokenImage)

return;

//Our template. Modify to taste

gchar const *xformat =

"<?xml version='1.0' encoding='UTF-8' standalone='no'?>"

"<!-- Created with Inkscape (http://www.inkscape.org/) -->"

"<svg"

" xmlns:xml='http://www.w3.org/XML/1998/namespace'"

" xmlns:svg='http://www.w3.org/2000/svg'"

" xmlns='http://www.w3.org/2000/svg'"

" id='svg2'"

" height='64.000000'"

" width='64.000000'"

" y='0.00000000'"

" x='0.00000000'"

" version='1.0'>"

" <defs"

" id='defs3' />"

" <rect"

" id='rect1723'"

" style='fill:#fefefe;fill-opacity:1.0000000;stroke:#fe0101;stroke-opacity:1.0000000'"

" y='0.74437392'"

" x='0.52374262'"

" height='62.698864'"

" width='62.701584' />"

" <path"

" id='path1725'"

" style='fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#fe0101;stroke-width:0.99443889px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000'"

" d='M 0.35436684,0.57368969 L 62.861950,63.081272' />"

" <path"

" id='path1727'"

" style='fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#fe0101;stroke-width:0.99443889px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000'"

" d='M 0.53194379,63.258849 L 63.217104,0.92884358' />"

" <path"

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41.996080,36.769712 M 39.764410,39.770510 C 39.764410,40.217232 39.859578,40.549365 40.049923,40.766898 C 40.240269,40.980544 40.490818,41.087366 40.801580,41.087366 C 41.096799,41.087366 41.343470,40.976665 41.541582,40.755243 C 41.743572,40.529943 41.844577,40.191983 41.844577,39.741383 C 41.844577,39.290773 41.739694,38.946996 41.529937,38.710041 C 41.320160,38.469198 41.063784,38.348781 40.760798,38.348781 C 40.457802,38.348781 40.215020,38.459492 40.032451,38.680904 C 39.853760,38.898437 39.764410,39.261646 39.764410,39.770510 M 52.507607,40.452248 L 47.752946,40.452248 C 47.795667,40.832929 47.898612,41.116503 48.061759,41.302961 C 48.290948,41.570992 48.590055,41.705012 48.959091,41.705012 C 49.192158,41.705012 49.413580,41.646738 49.623347,41.530200 C 49.751530,41.456402 49.889429,41.326270 50.037043,41.139813 L 52.373587,41.355397 C 52.016205,41.976922 51.585026,42.423643 51.080040,42.695563 C 50.575044,42.963594 49.850586,43.097614 48.906644,43.097614 C 48.087008,43.097614 47.442184,42.983015 46.972153,42.753827 C 46.502121,42.520760 46.111734,42.153673 45.800972,41.652565 C 45.494088,41.147579 45.340656,40.555192 45.340656,39.875394 C 45.340656,38.908153 45.649469,38.125420 46.267115,37.527195 C 46.888640,36.928991 47.745170,36.629883 48.836725,36.629874 C 49.722393,36.629883 50.421612,36.763894 50.934375,37.031925 C 51.447127,37.299956 51.837514,37.688414 52.105555,38.197278 C 52.373577,38.706152 52.507597,39.368469 52.507607,40.184217 L 52.507607,40.452248 M 50.095317,39.316022 C 50.048698,38.857655 49.924393,38.529411 49.722403,38.331299 C 49.524281,38.133187 49.262077,38.034131 48.935782,38.034131 C 48.558979,38.034131 48.257932,38.183684 48.032632,38.482792 C 47.888896,38.669259 47.797616,38.946996 47.758774,39.316022 L 50.095317,39.316022' />"

" <text"

" xml:space='preserve'"

" id='text1644'"

" style='font-size:12.000000;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1.0000000;stroke:none;stroke-width:1.0000000px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000;font-family:Sans'"

" y='59.288345'"

" x='12.760736'><tspan"

" id='tspan1646'"

" y='59.288345'"

" x='12.760736'>%s</tspan></text>"

"</svg>";

//Fill in the template

char *cErrorMessage = const_cast<char *>(errorMessage.c_str());

gchar *xmlBuffer = g_strdup_printf(xformat, cErrorMessage);

//g_message("%s\n", xmlBuffer);

//now show it!

showSvgFromMemory(xmlBuffer);

g_free(xmlBuffer);

showingBrokenImage = true;

}

static bool

hasSuffix(const Glib::ustring &str, Glib::ustring &ext)

{

int strLen = str.length();

int extLen = ext.length();

if (extLen > strLen)

{

return false;

}

int strpos = strLen-1;

for (int extpos = extLen-1 ; extpos>=0 ; extpos--, strpos--)

{

Glib::ustring::value_type ch = str[strpos];

if (ch != ext[extpos])

{

if ( ((ch & 0xff80) != 0) ||

static_cast<Glib::ustring::value_type>( g_ascii_tolower( static_cast<gchar>(0x07f & ch) ) ) != ext[extpos] )

{

return false;

}

}

}

return true;

}

static bool

isValidImageIconFile(const Glib::ustring &fileName)

{

std::vector<Gdk::PixbufFormat>formats = Gdk::Pixbuf::get_formats();

for (unsigned int i=0; i<formats.size(); i++)

{

Gdk::PixbufFormat format = formats[i];

std::vector<Glib::ustring>extensions = format.get_extensions();

for (unsigned int j=0; j<extensions.size(); j++)

{

Glib::ustring ext = extensions[j];

if (hasSuffix(fileName, ext))

{

return true;

}

}

}

return false;

}

bool ImageIcon::show(const Glib::ustring &fileName)

{

if (!Glib::file_test(fileName, Glib::FILE_TEST_EXISTS))

return false;

gchar *fName = const_cast<gchar *>(fileName.c_str());

//g_message("fname:%s\n", fName);

if (Glib::file_test(fileName, Glib::FILE_TEST_IS_REGULAR))

{

struct stat info;

if (g_file_test (fName, G_FILE_TEST_EXISTS) && stat(fName, &info))

{

Glib::ustring err = "cannot get file info";

showBrokenImage(err);

return false;

}

long fileLen = info.st_size;

if (fileLen > 0x150000L)

{

Glib::ustring err = "File too large";

showBrokenImage(err);

return false;

}

}

Glib::ustring svg = ".svg";

Glib::ustring svgz = ".svgz";

if (hasSuffix(fileName, svg) || hasSuffix(fileName, svgz) )

{

if (!showSvgFile(fileName))

{

showBrokenImage(bitmapError);

return false;

}

return true;

}

else if (isValidImageIconFile(fileName))

{

if (!showBitmap(fileName))

{

showBrokenImage(bitmapError);

return false;

}

return true;

}

else

{

showBrokenImage("unsupported file type");

return false;

}

}

} // namespace Widget

} // namespace UI

} // namespace Inkscape