unsigned int PrintLatex::fill(Inkscape::Extension::Print * /*mod*/,
Geom::PathVector const &pathv, Geom::Affine const &transform, SPStyle const *style,
Geom::OptRect const & /*pbox*/, Geom::OptRect const & /*dbox*/, Geom::OptRect const & /*bbox*/)
{
if (!_stream) {
return 0; // XXX: fixme, returning -1 as unsigned.
}
if (style->fill.isColor()) {
Inkscape::SVGOStringStream os;
float rgb[3];
float fill_opacity;
os.setf(std::ios::fixed);
fill_opacity=SP_SCALE24_TO_FLOAT(style->fill_opacity.value);
sp_color_get_rgb_floatv(&style->fill.value.color, rgb);
os << "{\n\\newrgbcolor{curcolor}{" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "}\n";
os << "\\pscustom[linestyle=none,fillstyle=solid,fillcolor=curcolor";
if (fill_opacity!=1.0) {
os << ",opacity="<<fill_opacity;
}
os << "]\n{\n";
print_pathvector(os, pathv, transform);
os << "}\n}\n";
fprintf(_stream, "%s", os.str().c_str());
}
return 0;
}
unsigned int PrintLatex::stroke(Inkscape::Extension::Print * /*mod*/,
Geom::PathVector const &pathv, Geom::Affine const &transform, SPStyle const *style,
Geom::OptRect const & /*pbox*/, Geom::OptRect const & /*dbox*/, Geom::OptRect const & /*bbox*/)
{
if (!_stream) {
return 0; // XXX: fixme, returning -1 as unsigned.
}
if (style->stroke.isColor()) {
Inkscape::SVGOStringStream os;
float rgb[3];
float stroke_opacity;
Geom::Affine tr_stack = m_tr_stack.top();
double const scale = tr_stack.descrim();
os.setf(std::ios::fixed);
stroke_opacity=SP_SCALE24_TO_FLOAT(style->stroke_opacity.value);
sp_color_get_rgb_floatv(&style->stroke.value.color, rgb);
os << "{\n\\newrgbcolor{curcolor}{" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "}\n";
os << "\\pscustom[linewidth=" << style->stroke_width.computed*scale<< ",linecolor=curcolor";
if (stroke_opacity!=1.0) {
os<<",strokeopacity="<<stroke_opacity;
}
if (style->stroke_dasharray_set &&
style->stroke_dash.n_dash &&
style->stroke_dash.dash) {
int i;
os << ",linestyle=dashed,dash=";
for (i = 0; i < style->stroke_dash.n_dash; i++) {
if ((i)) {
os << " ";
}
os << style->stroke_dash.dash[i];
}
}
os <<"]\n{\n";
print_pathvector(os, pathv, transform);
os << "}\n}\n";
fprintf(_stream, "%s", os.str().c_str());
}
return 0;
}
unsigned int PrintLatex::begin (Inkscape::Extension::Print *mod, SPDocument *doc)
{
Inkscape::SVGOStringStream os;
int res;
FILE *osf = NULL;
const gchar * fn = NULL;
gsize bytesRead = 0;
gsize bytesWritten = 0;
GError* error = NULL;
os.setf(std::ios::fixed);
fn = mod->get_param_string("destination");
gchar* local_fn = g_filename_from_utf8( fn,
-1, &bytesRead, &bytesWritten, &error);
fn = local_fn;
/* TODO: Replace the below fprintf's with something that does the right thing whether in
* gui or batch mode (e.g. --print=blah). Consider throwing an exception: currently one of
* the callers (sp_print_document_to_file, "ret = mod->begin(doc)") wrongly ignores the
* return code.
*/
if (fn != NULL) {
while (isspace(*fn)) fn += 1;
Inkscape::IO::dump_fopen_call(fn, "K");
osf = Inkscape::IO::fopen_utf8name(fn, "w+");
if (!osf) {
fprintf(stderr, "inkscape: fopen(%s): %s\n", fn, strerror(errno));
g_free(local_fn);
return 0;
}
_stream = osf;
}
g_free(local_fn);
/* fixme: this is kinda icky */
#if !defined(_WIN32) && !defined(__WIN32__)
(void) signal(SIGPIPE, SIG_IGN);
#endif
res = fprintf(_stream, "%%LaTeX with PSTricks extensions\n");
/* flush this to test output stream as early as possible */
if (fflush(_stream)) {
/*g_print("caught error in sp_module_print_plain_begin\n");*/
if (ferror(_stream)) {
g_print("Error %d on output stream: %s\n", errno,
g_strerror(errno));
}
g_print("Printing failed\n");
/* fixme: should use pclose() for pipes */
fclose(_stream);
_stream = NULL;
fflush(stdout);
return 0;
}
// width and height in pt
_width = doc->getWidth().value("pt");
_height = doc->getHeight().value("pt");
if (res >= 0) {
os << "%%Creator: " << PACKAGE_STRING << "\n";
os << "%%Please note this file requires PSTricks extensions\n";
os << "\\psset{xunit=.5pt,yunit=.5pt,runit=.5pt}\n";
// from now on we can output px, but they will be treated as pt
os << "\\begin{pspicture}(" << doc->getWidth().value("px") << "," << doc->getHeight().value("px") << ")\n";
}
m_tr_stack.push( Geom::Scale(1, -1) * Geom::Translate(0, doc->getHeight().value("px"))); /// @fixme hardcoded doc2dt transform
return fprintf(_stream, "%s", os.str().c_str());
}