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 #include <windows.h>
17 #endif
19 #include <gtkmm/stock.h>
20 #include "print.h"
22 #include "extension/internal/cairo-render-context.h"
23 #include "extension/internal/cairo-renderer.h"
24 #include "ui/widget/rendering-options.h"
25 #include "document.h"
27 #include "unit-constants.h"
28 #include "helper/png-write.h"
29 #include "svg/svg-color.h"
30 #include "io/sys.h"
34 static void
35 draw_page (GtkPrintOperation *operation,
36 GtkPrintContext *context,
37 gint /*page_nr*/,
38 gpointer user_data)
39 {
40 struct workaround_gtkmm *junk = (struct workaround_gtkmm*)user_data;
41 //printf("%s %d\n",__FUNCTION__, page_nr);
43 if (junk->_tab->as_bitmap()) {
44 // Render as exported PNG
45 gdouble width = sp_document_width(junk->_doc);
46 gdouble height = sp_document_height(junk->_doc);
47 gdouble dpi = junk->_tab->bitmap_dpi();
48 std::string tmp_png;
49 std::string tmp_base = "inkscape-print-png-XXXXXX";
51 int tmp_fd;
52 if ( (tmp_fd = Inkscape::IO::file_open_tmp (tmp_png, tmp_base)) >= 0) {
53 close(tmp_fd);
55 guint32 bgcolor = 0x00000000;
56 Inkscape::XML::Node *nv = sp_repr_lookup_name (junk->_doc->rroot, "sodipodi:namedview");
57 if (nv && nv->attribute("pagecolor"))
58 bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
59 if (nv && nv->attribute("inkscape:pageopacity"))
60 bgcolor |= SP_COLOR_F_TO_U(sp_repr_get_double_attribute (nv, "inkscape:pageopacity", 1.0));
62 sp_export_png_file(junk->_doc, tmp_png.c_str(), 0.0, 0.0,
63 width, height,
64 (unsigned long)(width * dpi / PX_PER_IN),
65 (unsigned long)(height * dpi / PX_PER_IN),
66 dpi, dpi, bgcolor, NULL, NULL, true, NULL);
68 // This doesn't seem to work:
69 //context->set_cairo_context ( Cairo::Context::create (Cairo::ImageSurface::create_from_png (tmp_png) ), dpi, dpi );
70 //
71 // so we'll use a surface pattern blat instead...
72 //
73 // but the C++ interface isn't implemented in cairomm:
74 //context->get_cairo_context ()->set_source_surface(Cairo::ImageSurface::create_from_png (tmp_png) );
75 //
76 // so do it in C:
77 {
78 Cairo::RefPtr<Cairo::ImageSurface> png = Cairo::ImageSurface::create_from_png (tmp_png);
79 cairo_t *cr = gtk_print_context_get_cairo_context (context);
80 cairo_matrix_t m;
81 cairo_get_matrix(cr, &m);
82 cairo_scale(cr, PT_PER_IN / dpi, PT_PER_IN / dpi);
83 // FIXME: why is the origin offset??
84 cairo_set_source_surface(cr, png->cobj(), -16.0, -16.0);
85 cairo_paint(cr);
86 cairo_set_matrix(cr, &m);
87 }
89 // Clean up
90 unlink (tmp_png.c_str());
91 }
92 else {
93 g_warning(_("Could not open temporary PNG for bitmap printing"));
94 }
95 }
96 else {
97 // Render as vectors
98 Inkscape::Extension::Internal::CairoRenderer renderer;
99 Inkscape::Extension::Internal::CairoRenderContext *ctx = renderer.createContext();
101 // ctx->setPSLevel(CAIRO_PS_LEVEL_3);
102 ctx->setTextToPath(false);
103 ctx->setFilterToBitmap(true);
104 ctx->setBitmapResolution(72);
106 cairo_t *cr = gtk_print_context_get_cairo_context (context);
107 cairo_surface_t *surface = cairo_get_target(cr);
108 cairo_matrix_t ctm;
109 cairo_get_matrix(cr, &ctm);
110 #ifdef WIN32
111 //Gtk+ does not take the non printable area into account
112 //http://bugzilla.gnome.org/show_bug.cgi?id=381371
113 //
114 // This workaround translates the origin from the top left of the
115 // printable area to the top left of the page.
116 GtkPrintSettings *settings = gtk_print_operation_get_print_settings(operation);
117 const gchar *printerName = gtk_print_settings_get_printer(settings);
118 HDC hdc = CreateDC("WINSPOOL", printerName, NULL, NULL);
119 if (hdc) {
120 cairo_matrix_t mat;
121 int x_off = GetDeviceCaps (hdc, PHYSICALOFFSETX);
122 int y_off = GetDeviceCaps (hdc, PHYSICALOFFSETY);
123 cairo_matrix_init_translate(&mat, -x_off, -y_off);
124 cairo_matrix_multiply (&ctm, &ctm, &mat);
125 DeleteDC(hdc);
126 }
127 #endif
128 bool ret = ctx->setSurfaceTarget (surface, true, &ctm);
129 if (ret) {
130 ret = renderer.setupDocument (ctx, junk->_doc, TRUE, NULL);
131 if (ret) {
132 renderer.renderItem(ctx, junk->_base);
133 ret = ctx->finish();
134 }
135 else {
136 g_warning(_("Could not set up Document"));
137 }
138 }
139 else {
140 g_warning(_("Failed to set CairoRenderContext"));
141 }
143 // Clean up
144 renderer.destroyContext(ctx);
145 }
147 }
149 static GObject*
150 create_custom_widget (GtkPrintOperation */*operation*/,
151 gpointer user_data)
152 {
153 //printf("%s\n",__FUNCTION__);
154 return G_OBJECT(user_data);
155 }
157 static void
158 begin_print (GtkPrintOperation *operation,
159 GtkPrintContext */*context*/,
160 gpointer /*user_data*/)
161 {
162 //printf("%s\n",__FUNCTION__);
163 gtk_print_operation_set_n_pages (operation, 1);
164 }
166 namespace Inkscape {
167 namespace UI {
168 namespace Dialog {
170 Print::Print(SPDocument *doc, SPItem *base) :
171 _doc (doc),
172 _base (base)
173 {
174 g_assert (_doc);
175 g_assert (_base);
177 _printop = gtk_print_operation_new ();
179 // set up dialog title, based on document name
180 gchar *jobname = _doc->name ? _doc->name : _("SVG Document");
181 Glib::ustring title = _("Print");
182 title += " ";
183 title += jobname;
184 gtk_print_operation_set_job_name (_printop, title.c_str());
186 // set up paper size to match the document size
187 gtk_print_operation_set_unit (_printop, GTK_UNIT_POINTS);
188 GtkPageSetup *page_setup = gtk_page_setup_new();
189 gdouble doc_width = sp_document_width(_doc) * PT_PER_PX;
190 gdouble doc_height = sp_document_height(_doc) * PT_PER_PX;
191 GtkPaperSize *paper_size = gtk_paper_size_new_custom("custom", "custom",
192 doc_width, doc_height, GTK_UNIT_POINTS);
193 gtk_page_setup_set_paper_size (page_setup, paper_size);
194 #ifndef WIN32
195 gtk_print_operation_set_default_page_setup (_printop, page_setup);
196 #endif
197 gtk_print_operation_set_use_full_page (_printop, TRUE);
199 // set up signals
200 _workaround._doc = _doc;
201 _workaround._base = _base;
202 _workaround._tab = &_tab;
203 g_signal_connect (_printop, "create-custom-widget", G_CALLBACK (create_custom_widget), _tab.gobj());
204 g_signal_connect (_printop, "begin-print", G_CALLBACK (begin_print), NULL);
205 g_signal_connect (_printop, "draw-page", G_CALLBACK (draw_page), &_workaround);
207 // build custom preferences tab
208 gtk_print_operation_set_custom_tab_label (_printop, _("Rendering"));
209 }
211 Gtk::PrintOperationResult Print::run(Gtk::PrintOperationAction, Gtk::Window &parent_window)
212 {
213 gtk_print_operation_run (_printop, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
214 parent_window.gobj(), NULL);
215 return Gtk::PRINT_OPERATION_RESULT_APPLY;
216 }
219 } // namespace Dialog
220 } // namespace UI
221 } // namespace Inkscape
223 /*
224 Local Variables:
225 mode:c++
226 c-file-style:"stroustrup"
227 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
228 indent-tabs-mode:nil
229 fill-column:99
230 End:
231 */
232 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :