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/**
* \brief Print dialog
*
* Authors:
* Kees Cook <kees@outflux.net>
*
* Copyright (C) 2007 Kees Cook
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef WIN32
#include <io.h>
#endif
#include <gtkmm/stock.h>
#include "print.h"
#include "extension/internal/cairo-render-context.h"
#include "extension/internal/cairo-renderer.h"
#include "ui/widget/rendering-options.h"
#include "unit-constants.h"
#include "helper/png-write.h"
#include "svg/svg-color.h"
#include "io/sys.h"
#ifdef WIN32
#include <windows.h>
#include <commdlg.h>
#include <cairo.h>
#include <cairo-win32.h>
static cairo_surface_t *
_cairo_win32_printing_surface_create (HDC hdc)
{
int x, y, x_dpi, y_dpi, x_off, y_off, depth;
XFORM xform;
cairo_surface_t *surface;
x = GetDeviceCaps (hdc, HORZRES);
y = GetDeviceCaps (hdc, VERTRES);
x_dpi = GetDeviceCaps (hdc, LOGPIXELSX);
y_dpi = GetDeviceCaps (hdc, LOGPIXELSY);
x_off = GetDeviceCaps (hdc, PHYSICALOFFSETX);
y_off = GetDeviceCaps (hdc, PHYSICALOFFSETY);
depth = GetDeviceCaps(hdc, BITSPIXEL);
SetGraphicsMode (hdc, GM_ADVANCED);
xform.eM11 = x_dpi/72.0;
xform.eM12 = 0;
xform.eM21 = 0;
xform.eM22 = y_dpi/72.0;
xform.eDx = -x_off;
xform.eDy = -y_off;
SetWorldTransform (hdc, &xform);
surface = cairo_win32_printing_surface_create (hdc);
/**
Read fallback dpi from device capabilities. Was a workaround for a bug patched
in cairo 1.5.14. Without this, fallback defaults to 300dpi, which is quite acceptable.
Going higher can cause spool size and memory problems.
*/
// cairo_surface_set_fallback_resolution (surface, x_dpi, y_dpi);
return surface;
}
#endif
static void
draw_page (GtkPrintOperation */*operation*/,
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 = sp_document_width(junk->_doc);
gdouble height = sp_document_height(junk->_doc);
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"))
bgcolor |= SP_COLOR_F_TO_U(sp_repr_get_double_attribute (nv, "inkscape:pageopacity", 1.0));
sp_export_png_file(junk->_doc, tmp_png.c_str(), 0.0, 0.0,
width, height,
(unsigned long)(width * PT_PER_IN / PX_PER_IN),
(unsigned long)(height * PT_PER_IN / PX_PER_IN),
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);
// FIXME: why is the origin offset??
cairo_set_source_surface(cr, png->cobj(), -16.0, -16.0);
}
cairo_paint(gtk_print_context_get_cairo_context (context));
// Clean up
unlink (tmp_png.c_str());
}
else {
g_warning(_("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);
/**
Call cairo_win32_printing_surface directly as a workaround until GTK uses this call.
When GTK uses cairo_win32_printing_surface this automatically reverts.
*/
#ifdef WIN32
if (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_WIN32) {
HDC dc = cairo_win32_surface_get_dc (surface);
surface = _cairo_win32_printing_surface_create (dc);
}
#endif
bool ret = ctx->setSurfaceTarget (surface, true); if (ret) {
ret = renderer.setupDocument (ctx, junk->_doc);
if (ret) {
renderer.renderItem(ctx, junk->_base);
ret = ctx->finish();
}
else {
g_warning(_("Could not set up Document"));
}
}
else {
g_warning(_("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 *jobname = _doc->name ? _doc->name : _("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 = sp_document_width(_doc) * PT_PER_PX;
gdouble doc_height = sp_document_height(_doc) * PT_PER_PX;
GtkPaperSize *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);
#ifndef WIN32
gtk_print_operation_set_default_page_setup (_printop, page_setup);
#endif
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
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