Hi

I test your code on sp_file_save_as function.But it doesn't work. Please let me know at where i am doing mistake.

bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc=inkscape_active_document(); SPObject *Obj = doc->getRoot()->firstChild(); visit_all_objects(Obj);

return breturn; }

void write_coordinates(SPObject *obj) { FILE *fp; fp=fopen("D:\Data.txt","a"); Inkscape::XML::Node *path= obj->getRepr(); gchar const *svgd = path->attribute("d"); fprintf(fp,"PATH2: %s \n ", svgd ); fclose(fp);

} void visit_all_objects(SPObject *obj) { if (obj == NULL) return;

write_coordinates(obj); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child); } }

osiński"> 2011/7/12 mahendra1 <mahendra.gajera@...2640...>:

Hello

I have to find X,Y coordinated of object with use of source code.I don't wants to use Extension option. I try to write code for the same ,It gives only one objects coordinate.The following code i write for get X,Y coordinated. Please let me know how can i get XY coordinate All SPObject on screen .

     FILE *fp;
     fp=fopen("D:\\Data.txt","w");
     SPDocument *doc=inkscape_active_document();

          if(doc == NULL )
          {

                     return true;
                 }
                 Inkscape::XML::Node *root = doc->getReprRoot();
                 Inkscape::XML::Node *path = sp_repr_lookup_name(root,

"svg:path", -1); // if ( path == NULL ) {

                     doc->doUnref();
                     return true;

                 }
                 gchar const *svgd = path->attribute("d");
               fprintf(fp,"PATH2: %s\n", svgd);

}

This is wrong, you should not call doc->doUnref(), because inkscape_active_document() does not take a reference.

To access all objects you need to iterate over the tree. It's easiest to do by defining a recursive function. Define a function like this:

void visit_all_objects(SPObject *obj) { if (obj == NULL) return; write_coordinates(obj); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child); } }

Note that this will iterate over all objects in the document rather than only those which are displayed on the screen. For that, you should add some checks at the beginning of the function. For example, call the write_coordinates function only if the object is an SPItem with (use SP_IS_ITEM() to check this) and do not recurse into elements which are not displayed, such as svg:defs (SP_IS_DEFS()) or svg:symbol (SP_IS_SYMBOL()).

Regards, Krzysztof

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Hi

I try to implement your code in another following way .

bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc=inkscape_active_document();

FILE *fp; fp=fopen("D:\Data1.txt","w"); for ( SPObject *child = doc->getRoot()->firstChild(); child; child = child->getNext() ) { if (SP_IS_ITEM(child)) { Inkscape::XML::Node *newitem = child->getRepr(); Inkscape::XML::Node *path = sp_repr_lookup_name(newitem, "svg:path", -1); //unlimited search depth if ( path != NULL ) { gchar const *svgd = path->attribute("d"); fprintf(fp,"PATH2: %s\n", svgd);

} } }

fclose(fp); return true;

} The Input file name :drawing-1.svg http://old.nabble.com/file/p32072659/drawing-1.svg drawing-1.svg

with above code I can get only One line coordinate instead of the two line.Please check the attached output file The OutPut file name :Data1.txt http://old.nabble.com/file/p32072659/Data1.txt Data1.txt

Now how can i get next line coordinate ?

Thanks

Krzysztof Kosiński wrote:

2011/7/15 mahendra1 <mahendra.gajera@...2640...>:

...

Hi

I test your code on sp_file_save_as function.But it doesn't work. Please let me know at where i am doing mistake.

At first glance, the "breturn" variable is undefined. Replace it with "true".

If that's not the problem, please be more specific, otherwise I can't help you.

1. Does it compile? If not, post the error messages.
2. Does it crash when run? If it does, post the gdb backtrace. Run

"gdb inkscape" in a console, type "run", reproduce the crash, then type "bt" and post the output of that. 3. Does it give the expected result? If not, post the contents of D:\data.txt.

Regards, Krzysztof

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Ok,Its working with following way.I used SPObject *obj = doc->getRoot(); insted of doc->getRoot()->firstChild(); But it give outPut Four line ,The first line repeat 2 times. http://old.nabble.com/file/p32080719/Data.txt Data.txt why its happen ,is there any error in code ?

void write_coordinates(SPObject *obj,FILE *fp) { if(!SP_IS_ITEM(obj)) return ;

Inkscape::XML::Node *newitem= obj->getRepr(); Inkscape::XML::Node *path = sp_repr_lookup_name(newitem, "svg:path", -1);

if ( path != NULL ) { gchar const *svgd = path->attribute("d"); fprintf(fp,"PATH2: %s \n ", svgd ); } }

void visit_all_objects(SPObject *obj,FILE *fp) { if (obj == NULL) return;

write_coordinates(obj, fp); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child,fp); } } bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc = inkscape_active_document(); SPObject *obj = doc->getRoot();//->firstChild();

FILE *fp = fopen("D:\Data.txt","w"); visit_all_objects(obj, fp); fclose(fp);

return true; }

Krzysztof Kosiński wrote:

2011/7/16 mahendra1 <mahendra.gajera@...2640...>:

...

I try to implement your code in another following way .

The Input file name :drawing-1.svg http://old.nabble.com/file/p32072659/drawing-1.svg drawing-1.svg

with above code I can get only One line coordinate instead of the two line.Please check the attached output file The OutPut file name :Data1.txt http://old.nabble.com/file/p32072659/Data1.txt Data1.txt

Now how can i get next line coordinate ?

This cannot be done this way. You must define a recursive function (a function that calls itself) like I told you earlier. Please tell me what was wrong with the code I posted. If it gave an error, please post the error.

I guess the previous code could have crashed, so here is another attempt:

void write_coordinates(SPObject *obj) { Inkscape::XML::Node *path = obj->getRepr(); gchar const *svgd = path->attribute("d"); if (svgd) fprintf(fp,"PATH2: %s \n ", svgd ); }

void visit_all_objects(SPObject *obj, FILE *fp) { if (obj == NULL) return;

write_coordinates(obj, fp); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child); } }

bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc = inkscape_active_document(); SPObject *obj = doc->getRoot()->firstChild();

FILE *fp = fopen("D:\Data.txt","a"); visit_all_objects(obj, fp); fclose(fp);

return true; }

Regards, Krzysztof

---

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Ok,It working fine.

void write_coordinates(SPObject *obj,FILE *fp) { if(!SP_IS_ITEM(obj)) return ;

Inkscape::XML::Node *path= obj->getRepr(); if (path->name() != Glib::ustring("svg:path")) return;

gchar const *svgd = path->attribute("d");

if ( path != NULL ) { Geom::PathVector pathv = sp_svg_read_pathv(svgd); for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit) { Geom::Point p = pit->front().initialPoint(); fprintf(fp,"MoveTo: %f,%f \n ", p[0],p[1]);

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_closed(); ++cit) { if(Geom::LineSegment const *line_segment = dynamic_cast<Geom::LineSegment const *>(&*cit)) { // don't serialize stitch segments if (!dynamic_cast<Geom::Path::StitchSegment const *>(&*cit)) { fprintf(fp,"LineTo: %f,%f \n ", (*line_segment)[1][0], (*line_segment)[1][1] ); } } else if (Geom::CubicBezier const *cubic_bezier = dynamic_cast<Geom::CubicBezier const*>(&*cit)) { fprintf(fp,"Curve To1: %f,%f \n ",(*cubic_bezier)[1][0], (*cubic_bezier)[1][1]); fprintf(fp,"Curve To2: %f,%f \n ",(*cubic_bezier)[2][0], (*cubic_bezier)[2][1]); fprintf(fp,"Curve To3: %f,%f \n ",(*cubic_bezier)[3][0], (*cubic_bezier)[3][1]);

} else if (Geom::QuadraticBezier const *Qcubic = dynamic_cast<Geom::QuadraticBezier const*>(&*cit)) { fprintf(fp,"QuadraticBezier \n "); } } pit->closed(); }

fprintf(fp,"PATH2: %s \n ", svgd ); } } How i get each parameter of gchar const *svgd = path->attribute("d"); here i parse with above function but gives screen coordinate instead of the svg file coordinate. Please let me know how can i get original coordinate which i write in file in variable.(actually i don't want to parse string)Is there any function in inkscape ,so i can get original value directly.

Thanks

mahendra1 wrote:

Ok,Its working with following way.I used SPObject *obj = doc->getRoot(); insted of doc->getRoot()->firstChild(); But it give outPut Four line ,The first line repeat 2 times. http://old.nabble.com/file/p32080719/Data.txt Data.txt why its happen ,is there any error in code ?

void write_coordinates(SPObject *obj,FILE *fp) { if(!SP_IS_ITEM(obj)) return ;

Inkscape::XML::Node *newitem= obj->getRepr();
Inkscape::XML::Node *path = sp_repr_lookup_name(newitem, "svg:path",

-1);

if ( path != NULL )
{
	gchar const *svgd = path->attribute("d");
	fprintf(fp,"PATH2: %s \n ", svgd );
}

}

void visit_all_objects(SPObject *obj,FILE *fp) { if (obj == NULL) return;

write_coordinates(obj, fp); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child,fp); } } bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc = inkscape_active_document();
SPObject *obj = doc->getRoot();//->firstChild();

FILE *fp = fopen("D:\\Data.txt","w");
visit_all_objects(obj, fp);
fclose(fp);

return true;

}

One more things , How i get each parameter of gchar const *svgd = path->attribute("d"); here i try with following function but gives screen coordinate instead of the svg file coordinate. Geom::PathVector pathv = sp_svg_read_pathv(svgd); Please let me know how can i get original coordinate which i write in file in variable.(actually i don't want to parse string)Is there any function in inkscape ,so i can get original value directly.

Krzysztof Kosiński wrote:

...

2011/7/16 mahendra1 <mahendra.gajera@...2640...>:

...

I try to implement your code in another following way .

The Input file name :drawing-1.svg http://old.nabble.com/file/p32072659/drawing-1.svg drawing-1.svg

with above code I can get only One line coordinate instead of the two line.Please check the attached output file The OutPut file name :Data1.txt http://old.nabble.com/file/p32072659/Data1.txt Data1.txt

Now how can i get next line coordinate ?

This cannot be done this way. You must define a recursive function (a function that calls itself) like I told you earlier. Please tell me what was wrong with the code I posted. If it gave an error, please post the error.

I guess the previous code could have crashed, so here is another attempt:

void write_coordinates(SPObject *obj) { Inkscape::XML::Node *path = obj->getRepr(); gchar const *svgd = path->attribute("d"); if (svgd) fprintf(fp,"PATH2: %s \n ", svgd ); }

void visit_all_objects(SPObject *obj, FILE *fp) { if (obj == NULL) return;

write_coordinates(obj, fp); // write object's coordinates to a file here SPObject *child = obj->children; for (; child; child = child->next) { visit_all_objects(child); } }

bool sp_file_save_as(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*data*/) { if (!SP_ACTIVE_DOCUMENT) return false;

SPDocument *doc = inkscape_active_document(); SPObject *obj = doc->getRoot()->firstChild();

FILE *fp = fopen("D:\Data.txt","a"); visit_all_objects(obj, fp); fclose(fp);

return true; }

Regards, Krzysztof

---

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void write_coordinates(SPObject *obj,SPDesktop *dsk,FILE *fp) { if(!SP_IS_ITEM(obj)) return ;

Inkscape::XML::Node *path= obj->getRepr();

if (path->name() != Glib::ustring("svg:path")) return;

gchar const *svgd = path->attribute("d");

if ( path != NULL ) { Geom::PathVector pathv = sp_svg_read_pathv(svgd) * dsk->doc2dt();

for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit) { Geom::Point p = pit->front().initialPoint(); fprintf(fp,"MoveTo: %f,%f \n ", p[0],p[1]);

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_closed(); ++cit) { if(Geom::LineSegment const *line_segment = dynamic_cast<Geom::LineSegment const *>(&*cit)) { // don't serialize stitch segments if (!dynamic_cast<Geom::Path::StitchSegment const *>(&*cit)) fprintf(fp,"LineTo: %f,%f \n ", (*line_segment)[1][0], (*line_segment)[1][1] ); } else if (Geom::CubicBezier const *cubic_bezier = dynamic_cast<Geom::CubicBezier const*>(&*cit)) { fprintf(fp,"Curve To1: %f,%f \n ",(*cubic_bezier)[1][0], (*cubic_bezier)[1][1]); fprintf(fp,"Curve To2: %f,%f \n ",(*cubic_bezier)[2][0], (*cubic_bezier)[2][1]); fprintf(fp,"Curve To3: %f,%f \n ",(*cubic_bezier)[3][0], (*cubic_bezier)[3][1]); } else if (Geom::QuadraticBezier const *Qcubic = dynamic_cast<Geom::QuadraticBezier const*>(&*cit)) { fprintf(fp,"QuadraticBezier \n "); } } pit->closed(); }

fprintf(fp,"PATH2: %s \n ", svgd ); } } Here i multiply with doc2dt although it gives output link http://old.nabble.com/file/p32097981/RealOutPut.txt RealOutPut.txt

Here i need Output Like http://old.nabble.com/file/p32097981/RequireOutPut.txt RequireOutPut.txt Please let me know how to get it.

Krzysztof Kosiński wrote:

2011/7/19 mahendra1 <mahendra.gajera@...2640...>:

...

How i get each parameter of gchar const *svgd = path->attribute("d"); here i parse with above function but gives screen coordinate instead of the svg file coordinate.

The code you wrote gives you the coordinates written in the SVG file. The coordinates on the rulers are inverted. It's a long standing bug. https://bugs.launchpad.net/inkscape/+bug/170049

If you want the ruler coordinates, you can use SPDesktop's doc2dt method to obtain the document-to-desktop transformation, and multiply the path vector by this.

Regards, Krzysztof

---

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Ok,I give you detail

This is my drawing file : http://old.nabble.com/file/p32104728/drawing-1.svg drawing-1.svg With the use of your code i can get this output http://old.nabble.com/file/p32104728/RealOutPut.txt RealOutPut.txt This is real coordinate of the the object.

Here I need the output like http://old.nabble.com/file/p32104728/RequireOutPut.txt RequireOutPut.txt The data of "RequireOutPut.txt" from gchar const *svgd = path->attribute("d"); function. This .txt file is parse manually with string operation.Like find the position of 'M' and get data until next character 'L'found.Actually i don't wants to string operation here. Can I get this type output from directly with use of inkscape code.In short How to separate X,Y coordinate of "z","M","m","L","l","C","c","Q","q","A""a","H","h","V","v","S","s", "T", "t" command's "

Krzysztof Kosiński wrote:

2011/7/20 mahendra1 <mahendra.gajera@...2640...>:

...

Here i need Output Like http://old.nabble.com/file/p32097981/RequireOutPut.txt RequireOutPut.txt Please let me know how to get it.

Are the coordinates in this file relative to the bounding box of the object? I have no idea what is the relation between the contents of this file and RealOutPut.txt.

Regards, Krzysztof

---

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http://old.nabble.com/file/p32104728/drawing-1.svg drawing-1.svg