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/**
* @file
* Print dialog.
*/
/* Authors:
* Kees Cook <kees@outflux.net>
* Abhishek Sharma
*
* Copyright (C) 2007 Kees Cook
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gtkmm.h>
#include "preferences.h"
#include "print.h"
#include "extension/internal/cairo-render-context.h"
#include "extension/internal/cairo-renderer.h"
#include "document.h"
#include "util/units.h"
#include "helper/png-write.h"
#include "svg/svg-color.h"
#include <glibmm/i18n.h>
static void draw_page(GtkPrintOperation *,
GtkPrintContext *context,
gint /*page_nr*/,
gpointer user_data)
{
// TODO: If the user prints multiple copies we render the whole page for each copy
// It would be more efficient to render the page once (e.g. in "begin_print")
// and simply print this result as often as necessary
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
struct workaround_gtkmm *junk = (struct workaround_gtkmm*)user_data;
//printf("%s %d\n",__FUNCTION__, page_nr);
if (junk->_tab->as_bitmap()) {
// Render as exported PNG
prefs->setBool("/dialogs/printing/asbitmap", true);
gdouble width = (junk->_doc)->getWidth().value("px");
gdouble height = (junk->_doc)->getHeight().value("px");
gdouble dpi = junk->_tab->bitmap_dpi();
prefs->setDouble("/dialogs/printing/dpi", dpi);
std::string tmp_png;
std::string tmp_base = "inkscape-print-png-XXXXXX";
int tmp_fd;
if ( (tmp_fd = Glib::file_open_tmp(tmp_png, tmp_base)) >= 0) {
close(tmp_fd);
guint32 bgcolor = 0x00000000;
Inkscape::XML::Node *nv = sp_repr_lookup_name (junk->_doc->rroot, "sodipodi:namedview");
if (nv && nv->attribute("pagecolor")){
bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
}
if (nv && nv->attribute("inkscape:pageopacity")){
double opacity = 1.0;
sp_repr_get_double (nv, "inkscape:pageopacity", &opacity);
bgcolor |= SP_COLOR_F_TO_U(opacity);
}
sp_export_png_file(junk->_doc, tmp_png.c_str(), 0.0, 0.0,
width, height,
(unsigned long)(Inkscape::Util::Quantity::convert(width, "px", "in") * dpi),
(unsigned long)(Inkscape::Util::Quantity::convert(height, "px", "in") * dpi),
dpi, dpi, bgcolor, NULL, NULL, true, std::vector<SPItem*>());
// This doesn't seem to work:
//context->set_cairo_context ( Cairo::Context::create (Cairo::ImageSurface::create_from_png (tmp_png) ), dpi, dpi );
//
// so we'll use a surface pattern blat instead...
//
// but the C++ interface isn't implemented in cairomm:
//context->get_cairo_context ()->set_source_surface(Cairo::ImageSurface::create_from_png (tmp_png) );
//
// so do it in C:
{
Cairo::RefPtr<Cairo::ImageSurface> png = Cairo::ImageSurface::create_from_png (tmp_png);
cairo_t *cr = gtk_print_context_get_cairo_context (context);
cairo_matrix_t m;
cairo_get_matrix(cr, &m);
cairo_scale(cr, Inkscape::Util::Quantity::convert(1, "in", "pt") / dpi, Inkscape::Util::Quantity::convert(1, "in", "pt") / dpi);
// FIXME: why is the origin offset??
cairo_set_source_surface(cr, png->cobj(), 0, 0);
cairo_paint(cr);
cairo_set_matrix(cr, &m);
}
// Clean up
unlink (tmp_png.c_str());
}
else {
g_warning("%s", _("Could not open temporary PNG for bitmap printing"));
}
}
else {
// Render as vectors
prefs->setBool("/dialogs/printing/asbitmap", false);
Inkscape::Extension::Internal::CairoRenderer renderer;
Inkscape::Extension::Internal::CairoRenderContext *ctx = renderer.createContext();
// ctx->setPSLevel(CAIRO_PS_LEVEL_3);
ctx->setTextToPath(false);
ctx->setFilterToBitmap(true);
ctx->setBitmapResolution(72);
cairo_t *cr = gtk_print_context_get_cairo_context (context);
cairo_surface_t *surface = cairo_get_target(cr);
cairo_matrix_t ctm;
cairo_get_matrix(cr, &ctm);
bool ret = ctx->setSurfaceTarget (surface, true, &ctm);
if (ret) {
ret = renderer.setupDocument (ctx, junk->_doc, TRUE, 0., NULL);
if (ret) {
renderer.renderItem(ctx, junk->_base);
ctx->finish(false); // do not finish the cairo_surface_t - it's owned by our GtkPrintContext!
}
else {
g_warning("%s", _("Could not set up Document"));
}
}
else {
g_warning("%s", _("Failed to set CairoRenderContext"));
}
// Clean up
renderer.destroyContext(ctx);
}
}
static GObject* create_custom_widget (GtkPrintOperation */*operation*/,
gpointer user_data)
{
//printf("%s\n",__FUNCTION__);
return G_OBJECT(user_data);
}
static void begin_print (GtkPrintOperation *operation,
GtkPrintContext */*context*/,
gpointer /*user_data*/)
{
//printf("%s\n",__FUNCTION__);
gtk_print_operation_set_n_pages (operation, 1);
}
namespace Inkscape {
namespace UI {
namespace Dialog {
Print::Print(SPDocument *doc, SPItem *base) :
_doc (doc),
_base (base)
{
g_assert (_doc);
g_assert (_base);
_printop = gtk_print_operation_new ();
// set up dialog title, based on document name
gchar const *jobname = _doc->getName() ? _doc->getName() : _("SVG Document");
Glib::ustring title = _("Print");
title += " ";
title += jobname;
gtk_print_operation_set_job_name (_printop, title.c_str());
// set up paper size to match the document size
gtk_print_operation_set_unit (_printop, GTK_UNIT_POINTS);
GtkPageSetup *page_setup = gtk_page_setup_new();
gdouble doc_width = _doc->getWidth().value("pt");
gdouble doc_height = _doc->getHeight().value("pt");
GtkPaperSize *paper_size;
if (doc_width > doc_height) {
gtk_page_setup_set_orientation (page_setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
paper_size = gtk_paper_size_new_custom("custom", "custom",
doc_height, doc_width, GTK_UNIT_POINTS);
} else {
gtk_page_setup_set_orientation (page_setup, GTK_PAGE_ORIENTATION_PORTRAIT);
paper_size = gtk_paper_size_new_custom("custom", "custom",
doc_width, doc_height, GTK_UNIT_POINTS);
}
gtk_page_setup_set_paper_size (page_setup, paper_size);
gtk_print_operation_set_default_page_setup (_printop, page_setup);
gtk_print_operation_set_use_full_page (_printop, TRUE);
// set up signals
_workaround._doc = _doc;
_workaround._base = _base;
_workaround._tab = &_tab;
g_signal_connect (_printop, "create-custom-widget", G_CALLBACK (create_custom_widget), _tab.gobj());
g_signal_connect (_printop, "begin-print", G_CALLBACK (begin_print), NULL);
g_signal_connect (_printop, "draw-page", G_CALLBACK (draw_page), &_workaround);
// build custom preferences tab
gtk_print_operation_set_custom_tab_label (_printop, _("Rendering"));
}
Gtk::PrintOperationResult Print::run(Gtk::PrintOperationAction, Gtk::Window &parent_window)
{
gtk_print_operation_run (_printop, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
parent_window.gobj(), NULL);
return Gtk::PRINT_OPERATION_RESULT_APPLY;
}
} // namespace Dialog
} // namespace UI
} // namespace Inkscape
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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