Commit a139e677 authored by Patrick McDermott's avatar Patrick McDermott
Browse files

Print: C++ify

parent 91967d2b
......@@ -30,25 +30,71 @@
#include <glibmm/i18n.h>
static void draw_page(GtkPrintOperation *,
GtkPrintContext *context,
gint /*page_nr*/,
gpointer user_data)
namespace Inkscape {
namespace UI {
namespace Dialog {
Print::Print(SPDocument *doc, SPItem *base) :
_doc (doc),
_base (base)
{
g_assert (_doc);
g_assert (_base);
_printop = Gtk::PrintOperation::create();
// set up dialog title, based on document name
const Glib::ustring jobname = _doc->getName() ? _doc->getName() : _("SVG Document");
Glib::ustring title = _("Print");
title += " ";
title += jobname;
_printop->set_job_name(title);
// set up paper size to match the document size
_printop->set_unit(Gtk::UNIT_POINTS);
Glib::RefPtr<Gtk::PageSetup> page_setup = Gtk::PageSetup::create();
gdouble doc_width = _doc->getWidth().value("pt");
gdouble doc_height = _doc->getHeight().value("pt");
Gtk::PaperSize paper_size;
if (doc_width > doc_height) {
page_setup->set_orientation(Gtk::PAGE_ORIENTATION_PORTRAIT);
paper_size = Gtk::PaperSize("custom", "custom", doc_height, doc_width, Gtk::UNIT_POINTS);
} else {
page_setup->set_orientation(Gtk::PAGE_ORIENTATION_PORTRAIT);
paper_size = Gtk::PaperSize("custom", "custom", doc_width, doc_height, Gtk::UNIT_POINTS);
}
page_setup->set_paper_size(paper_size);
_printop->set_default_page_setup(page_setup);
_printop->set_use_full_page(true);
// set up signals
_workaround._doc = _doc;
_workaround._base = _base;
_workaround._tab = &_tab;
_printop->signal_create_custom_widget().connect(sigc::mem_fun(*this, &Print::create_custom_widget));
_printop->signal_begin_print().connect(sigc::mem_fun(*this, &Print::begin_print));
_printop->signal_draw_page().connect(sigc::mem_fun(*this, &Print::draw_page));
// build custom preferences tab
_printop->set_custom_tab_label(_("Rendering"));
}
void Print::draw_page(const Glib::RefPtr<Gtk::PrintContext>& context, int /*page_nr*/)
{
// 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()) {
if (_workaround._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();
gdouble width = (_workaround._doc)->getWidth().value("px");
gdouble height = (_workaround._doc)->getHeight().value("px");
gdouble dpi = _workaround._tab->bitmap_dpi();
prefs->setDouble("/dialogs/printing/dpi", dpi);
std::string tmp_png;
......@@ -59,7 +105,7 @@ static void draw_page(GtkPrintOperation *,
close(tmp_fd);
guint32 bgcolor = 0x00000000;
Inkscape::XML::Node *nv = sp_repr_lookup_name (junk->_doc->rroot, "sodipodi:namedview");
Inkscape::XML::Node *nv = sp_repr_lookup_name (_workaround._doc->rroot, "sodipodi:namedview");
if (nv && nv->attribute("pagecolor")){
bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
}
......@@ -69,7 +115,7 @@ static void draw_page(GtkPrintOperation *,
bgcolor |= SP_COLOR_F_TO_U(opacity);
}
sp_export_png_file(junk->_doc, tmp_png.c_str(), 0.0, 0.0,
sp_export_png_file(_workaround._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),
......@@ -86,7 +132,7 @@ static void draw_page(GtkPrintOperation *,
// 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_t *cr = gtk_print_context_get_cairo_context (context->gobj());
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);
......@@ -114,16 +160,16 @@ static void draw_page(GtkPrintOperation *,
ctx->setFilterToBitmap(true);
ctx->setBitmapResolution(72);
cairo_t *cr = gtk_print_context_get_cairo_context (context);
cairo_t *cr = gtk_print_context_get_cairo_context (context->gobj());
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);
ret = renderer.setupDocument (ctx, _workaround._doc, TRUE, 0., NULL);
if (ret) {
renderer.renderItem(ctx, junk->_base);
renderer.renderItem(ctx, _workaround._base);
ctx->finish(false); // do not finish the cairo_surface_t - it's owned by our GtkPrintContext!
}
else {
......@@ -140,77 +186,21 @@ static void draw_page(GtkPrintOperation *,
}
static GObject* create_custom_widget (GtkPrintOperation */*operation*/,
gpointer user_data)
Gtk::Widget *Print::create_custom_widget()
{
//printf("%s\n",__FUNCTION__);
return G_OBJECT(user_data);
return &_tab;
}
static void begin_print (GtkPrintOperation *operation,
GtkPrintContext */*context*/,
gpointer /*user_data*/)
void Print::begin_print(const Glib::RefPtr<Gtk::PrintContext>&)
{
//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"));
_printop->set_n_pages(1);
}
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);
_printop->run(Gtk::PRINT_OPERATION_ACTION_PRINT_DIALOG, parent_window);
return Gtk::PRINT_OPERATION_RESULT_APPLY;
}
......
......@@ -45,12 +45,16 @@ public:
protected:
private:
GtkPrintOperation *_printop;
Glib::RefPtr<Gtk::PrintOperation> _printop;
SPDocument *_doc;
SPItem *_base;
Inkscape::UI::Widget::RenderingOptions _tab;
struct workaround_gtkmm _workaround;
void draw_page(const Glib::RefPtr<Gtk::PrintContext>& context, int /*page_nr*/);
Gtk::Widget *create_custom_widget();
void begin_print(const Glib::RefPtr<Gtk::PrintContext>&);
};
} // namespace Dialog
......
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