#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include "print.h"

#include <gtkmm/stock.h>

#include "extension/internal/cairo-render-context.h"

#include "extension/internal/cairo-renderer.h"

#include "ui/widget/rendering-options.h"

#include "document.h"

#include "util/units.h"

#include "helper/png-write.h"

#include "svg/svg-color.h"

#include "io/sys.h"

#include <glibmm/i18n.h>

#ifdef WIN32

#include <io.h>

#include <windows.h>

#endif

static void draw_page(

#ifdef WIN32

GtkPrintOperation *operation,

#else

GtkPrintOperation *,

#endif

GtkPrintContext *context,

gint /*page_nr*/,

gpointer user_data)

{

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

gdouble width = (junk->_doc)->getWidth().value("px");

gdouble height = (junk->_doc)->getHeight().value("px");

gdouble dpi = junk->_tab->bitmap_dpi();

std::string tmp_png;

std::string tmp_base = "inkscape-print-png-XXXXXX";

int tmp_fd;

if ( (tmp_fd = Inkscape::IO::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, NULL);

// 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(), -16.0, -16.0);

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

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);

#ifdef WIN32

//Gtk+ does not take the non printable area into account

//http://bugzilla.gnome.org/show_bug.cgi?id=381371

//

// This workaround translates the origin from the top left of the

// printable area to the top left of the page.

GtkPrintSettings *settings = gtk_print_operation_get_print_settings(operation);

const gchar *printerName = gtk_print_settings_get_printer(settings);

HDC hdc = CreateDC("WINSPOOL", printerName, NULL, NULL);

if (hdc) {

cairo_matrix_t mat;

int x_off = GetDeviceCaps (hdc, PHYSICALOFFSETX);

int y_off = GetDeviceCaps (hdc, PHYSICALOFFSETY);

cairo_matrix_init_translate(&mat, -x_off, -y_off);

cairo_matrix_multiply (&ctm, &ctm, &mat);

DeleteDC(hdc);

}

#endif

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);

ret = ctx->finish();

}

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