1 /** @file
2 * @brief Print dialog
3 */
4 /* Authors:
5 * Kees Cook <kees@outflux.net>
6 *
7 * Copyright (C) 2007 Kees Cook
8 * Released under GNU GPL. Read the file 'COPYING' for more information.
9 */
11 #ifdef HAVE_CONFIG_H
12 # include <config.h>
13 #endif
14 #ifdef WIN32
15 #include <io.h>
16 #endif
18 #include <gtkmm/stock.h>
19 #include "print.h"
21 #include "extension/internal/cairo-render-context.h"
22 #include "extension/internal/cairo-renderer.h"
23 #include "ui/widget/rendering-options.h"
24 #include "document.h"
26 #include "unit-constants.h"
27 #include "helper/png-write.h"
28 #include "svg/svg-color.h"
29 #include "io/sys.h"
33 static void
34 draw_page (GtkPrintOperation */*operation*/,
35 GtkPrintContext *context,
36 gint /*page_nr*/,
37 gpointer user_data)
38 {
39 struct workaround_gtkmm *junk = (struct workaround_gtkmm*)user_data;
40 //printf("%s %d\n",__FUNCTION__, page_nr);
42 if (junk->_tab->as_bitmap()) {
43 // Render as exported PNG
44 gdouble width = sp_document_width(junk->_doc);
45 gdouble height = sp_document_height(junk->_doc);
46 gdouble dpi = junk->_tab->bitmap_dpi();
47 std::string tmp_png;
48 std::string tmp_base = "inkscape-print-png-XXXXXX";
50 int tmp_fd;
51 if ( (tmp_fd = Inkscape::IO::file_open_tmp (tmp_png, tmp_base)) >= 0) {
52 close(tmp_fd);
54 guint32 bgcolor = 0x00000000;
55 Inkscape::XML::Node *nv = sp_repr_lookup_name (junk->_doc->rroot, "sodipodi:namedview");
56 if (nv && nv->attribute("pagecolor"))
57 bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
58 if (nv && nv->attribute("inkscape:pageopacity"))
59 bgcolor |= SP_COLOR_F_TO_U(sp_repr_get_double_attribute (nv, "inkscape:pageopacity", 1.0));
61 sp_export_png_file(junk->_doc, tmp_png.c_str(), 0.0, 0.0,
62 width, height,
63 (unsigned long)(width * dpi / PX_PER_IN),
64 (unsigned long)(height * dpi / PX_PER_IN),
65 dpi, dpi, bgcolor, NULL, NULL, true, NULL);
67 // This doesn't seem to work:
68 //context->set_cairo_context ( Cairo::Context::create (Cairo::ImageSurface::create_from_png (tmp_png) ), dpi, dpi );
69 //
70 // so we'll use a surface pattern blat instead...
71 //
72 // but the C++ interface isn't implemented in cairomm:
73 //context->get_cairo_context ()->set_source_surface(Cairo::ImageSurface::create_from_png (tmp_png) );
74 //
75 // so do it in C:
76 {
77 Cairo::RefPtr<Cairo::ImageSurface> png = Cairo::ImageSurface::create_from_png (tmp_png);
78 cairo_t *cr = gtk_print_context_get_cairo_context (context);
79 cairo_matrix_t m;
80 cairo_get_matrix(cr, &m);
81 cairo_scale(cr, PT_PER_IN / dpi, PT_PER_IN / dpi);
82 // FIXME: why is the origin offset??
83 cairo_set_source_surface(cr, png->cobj(), -16.0, -16.0);
84 cairo_paint(cr);
85 cairo_set_matrix(cr, &m);
86 }
88 // Clean up
89 unlink (tmp_png.c_str());
90 }
91 else {
92 g_warning(_("Could not open temporary PNG for bitmap printing"));
93 }
94 }
95 else {
96 // Render as vectors
97 Inkscape::Extension::Internal::CairoRenderer renderer;
98 Inkscape::Extension::Internal::CairoRenderContext *ctx = renderer.createContext();
100 // ctx->setPSLevel(CAIRO_PS_LEVEL_3);
101 ctx->setTextToPath(false);
102 ctx->setFilterToBitmap(true);
103 ctx->setBitmapResolution(72);
105 cairo_t *cr = gtk_print_context_get_cairo_context (context);
106 cairo_surface_t *surface = cairo_get_target(cr);
107 cairo_matrix_t ctm;
108 cairo_get_matrix(cr, &ctm);
109 bool ret = ctx->setSurfaceTarget (surface, true, &ctm);
110 if (ret) {
111 ret = renderer.setupDocument (ctx, junk->_doc, TRUE, NULL);
112 if (ret) {
113 renderer.renderItem(ctx, junk->_base);
114 ret = ctx->finish();
115 }
116 else {
117 g_warning(_("Could not set up Document"));
118 }
119 }
120 else {
121 g_warning(_("Failed to set CairoRenderContext"));
122 }
124 // Clean up
125 renderer.destroyContext(ctx);
126 }
128 }
130 static GObject*
131 create_custom_widget (GtkPrintOperation */*operation*/,
132 gpointer user_data)
133 {
134 //printf("%s\n",__FUNCTION__);
135 return G_OBJECT(user_data);
136 }
138 static void
139 begin_print (GtkPrintOperation *operation,
140 GtkPrintContext */*context*/,
141 gpointer /*user_data*/)
142 {
143 //printf("%s\n",__FUNCTION__);
144 gtk_print_operation_set_n_pages (operation, 1);
145 }
147 namespace Inkscape {
148 namespace UI {
149 namespace Dialog {
151 Print::Print(SPDocument *doc, SPItem *base) :
152 _doc (doc),
153 _base (base)
154 {
155 g_assert (_doc);
156 g_assert (_base);
158 _printop = gtk_print_operation_new ();
160 // set up dialog title, based on document name
161 gchar *jobname = _doc->name ? _doc->name : _("SVG Document");
162 Glib::ustring title = _("Print");
163 title += " ";
164 title += jobname;
165 gtk_print_operation_set_job_name (_printop, title.c_str());
167 // set up paper size to match the document size
168 gtk_print_operation_set_unit (_printop, GTK_UNIT_POINTS);
169 GtkPageSetup *page_setup = gtk_page_setup_new();
170 gdouble doc_width = sp_document_width(_doc) * PT_PER_PX;
171 gdouble doc_height = sp_document_height(_doc) * PT_PER_PX;
172 GtkPaperSize *paper_size = gtk_paper_size_new_custom("custom", "custom",
173 doc_width, doc_height, GTK_UNIT_POINTS);
174 gtk_page_setup_set_paper_size (page_setup, paper_size);
175 #ifndef WIN32
176 gtk_print_operation_set_default_page_setup (_printop, page_setup);
177 #endif
178 gtk_print_operation_set_use_full_page (_printop, TRUE);
180 // set up signals
181 _workaround._doc = _doc;
182 _workaround._base = _base;
183 _workaround._tab = &_tab;
184 g_signal_connect (_printop, "create-custom-widget", G_CALLBACK (create_custom_widget), _tab.gobj());
185 g_signal_connect (_printop, "begin-print", G_CALLBACK (begin_print), NULL);
186 g_signal_connect (_printop, "draw-page", G_CALLBACK (draw_page), &_workaround);
188 // build custom preferences tab
189 gtk_print_operation_set_custom_tab_label (_printop, _("Rendering"));
190 }
192 Gtk::PrintOperationResult Print::run(Gtk::PrintOperationAction, Gtk::Window &parent_window)
193 {
194 gtk_print_operation_run (_printop, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
195 parent_window.gobj(), NULL);
196 return Gtk::PRINT_OPERATION_RESULT_APPLY;
197 }
200 } // namespace Dialog
201 } // namespace UI
202 } // namespace Inkscape
204 /*
205 Local Variables:
206 mode:c++
207 c-file-style:"stroustrup"
208 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
209 indent-tabs-mode:nil
210 fill-column:99
211 End:
212 */
213 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :