From: buliabyak Date: Fri, 19 May 2006 02:36:23 +0000 (+0000) Subject: PDF export patch by Ulf Erikson X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=b91d3d6c8f909bda909028eada6bf410d60c95a0;p=inkscape.git PDF export patch by Ulf Erikson --- diff --git a/src/extension/extension.h b/src/extension/extension.h index 1e3d8ead0..de3dda19b 100644 --- a/src/extension/extension.h +++ b/src/extension/extension.h @@ -43,6 +43,8 @@ /** Defines the key for Postscript printing */ #define SP_MODULE_KEY_PRINT_PS "org.inkscape.print.ps" +/** Defines the key for PDF printing */ +#define SP_MODULE_KEY_PRINT_PDF "org.inkscape.print.pdf" /** Defines the key for LaTeX printing */ #define SP_MODULE_KEY_PRINT_LATEX "org.inkscape.print.latex" /** Defines the key for printing with GNOME Print */ diff --git a/src/extension/init.cpp b/src/extension/init.cpp index 66c6c8986..a1833bcde 100644 --- a/src/extension/init.cpp +++ b/src/extension/init.cpp @@ -25,6 +25,7 @@ #include "db.h" #include "internal/svgz.h" #include "internal/ps.h" +#include "internal/pdf.h" #ifdef WITH_GNOME_PRINT # include "internal/gnome.h" #endif @@ -32,6 +33,7 @@ # include "internal/win32.h" #endif #include "internal/ps-out.h" +#include "internal/pdf-out.h" #include "internal/pov-out.h" #include "internal/odf.h" #include "internal/latex-pstricks-out.h" @@ -103,6 +105,8 @@ init() Internal::PsOutput::init(); Internal::EpsOutput::init(); Internal::PrintPS::init(); + Internal::PdfOutput::init(); + Internal::PrintPDF::init(); #ifdef WITH_GNOME_PRINT Internal::PrintGNOME::init(); #endif diff --git a/src/extension/internal/Makefile_insert b/src/extension/internal/Makefile_insert index f29b37227..8bf663852 100644 --- a/src/extension/internal/Makefile_insert +++ b/src/extension/internal/Makefile_insert @@ -27,6 +27,11 @@ extension_internal_libinternal_a_SOURCES = \ extension/internal/ps.cpp \ extension/internal/ps-out.h \ extension/internal/ps-out.cpp \ + extension/internal/pdf.h \ + extension/internal/pdf.cpp \ + extension/internal/pdf-mini.h \ + extension/internal/pdf-out.h \ + extension/internal/pdf-out.cpp \ extension/internal/eps-out.h \ extension/internal/eps-out.cpp \ extension/internal/gdkpixbuf-input.h \ diff --git a/src/extension/internal/pdf-mini.h b/src/extension/internal/pdf-mini.h new file mode 100644 index 000000000..ca577443e --- /dev/null +++ b/src/extension/internal/pdf-mini.h @@ -0,0 +1,343 @@ +/** \file + * PDF Mini library. + */ +/* + * Authors: + * Ulf Erikson + * + * Minimalistic library to support generation of PDF files. + * + * Copyright (C) 2006 Authors + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#ifndef PDF_MINI_H_SEEN +#define PDF_MINI_H_SEEN + + +class PdfFile; +class PdfXref; +class PdfObject; + +enum pdf_resource_type { pdf_none, pdf_extgstate, pdf_colorspace, pdf_pattern, pdf_shading, pdf_xobject, pdf_font, pdf_properties }; + +char pdf_res_short[][5] = { "", "GS", "CS", "Pa", "Sh", "XObj", "F", "Prop" }; +char pdf_res_long[][20] = { "", "ExtGState", "ColorSpace", "Pattern", + "Shading", "XObject", "Font", "Properties" }; + +class PdfFile { + public: + PdfFile(FILE *_stream); + ~PdfFile(); + + long puts(const char *str); + long puts(std::string ss) { return puts(ss.c_str()); } + long puts(Inkscape::SVGOStringStream &os) { return puts(os.str().c_str()); } + long puts(PdfXref *table); + long puts(PdfObject *object); + + long tell(); + + PdfObject *begin_document(double version = 1.2); + void end_document(PdfObject *doc_info); + PdfObject *begin_page(int x0, int y0, int x1, int y1); + PdfObject *begin_page(int w, int h) { return begin_page(0,0, w, h); } + void end_page(PdfObject *page); + PdfObject *begin_object(); + void end_object(PdfObject *object); + PdfObject *begin_resource(enum pdf_resource_type); + void end_resource(PdfObject *resource); + + protected: + FILE *fp; + long length; + long stream_pos; + + PdfXref *xref; + + PdfXref *pages; + PdfXref *resources; + + PdfObject *obj_root; + PdfObject *obj_catalog; + PdfObject *obj_info; + PdfObject *obj_resources; + PdfObject *obj_contents; + PdfObject *obj_length; +}; + + +class PdfXref { + public: + PdfXref() { size = 10; table = (long*) malloc(size*sizeof(long)); entries = 0; } + ~PdfXref() { free(table); } + + long get_size() { return entries; } + long get_entry(long id) { return table[id]; } + + long alloc_id() { + entries++; + if (entries >= size) { + size = size*2; + table = (long *) realloc(table, size*sizeof(long)); + } + return entries; + } + + void update_entry(long id, long offset) { + table[id] = offset; + } + + long add_entry(long offset = 0) { + long id = alloc_id(); + update_entry(id, offset); + return id; + } + + protected: + long *table; + long entries; + long size; +}; + + +class PdfObject : public Inkscape::SVGOStringStream { + public: + PdfObject(long i) : next(NULL) { id = i; setf(std::ios::fixed); } + ~PdfObject() {} + + long get_id() { return id; } + const char *get_name() { return name.str().c_str(); } + long get_length() { return str().length(); } + void set_type(enum pdf_resource_type type) { name << "/" << pdf_res_short[type] << id; } + PdfObject *next; + + protected: + long id; + Inkscape::SVGOStringStream name; +}; + +PdfFile::PdfFile(FILE *_stream) { + fp = _stream; + xref = new PdfXref(); +} + +PdfFile::~PdfFile() { + delete xref; +} + +long PdfFile::puts(const char *str) { + long res = fprintf(fp, "%s", str); + if (res >= 0) { + length += res; + res = length; + } + return res; +} + +long PdfFile::puts(PdfObject *object) { + xref->update_entry( object->get_id(), tell() ); + return puts(object->str()); +} + +long PdfFile::puts(PdfXref *table) { + Inkscape::SVGOStringStream os; + char buffer[32]; + int i; + + int size = table->get_size() + 1; + + os << "xref\n"; + os << "0" << " " << size << "\n"; + + sprintf(buffer, "%010d %05d %c \n", 0, 65535, 'f'); + os << buffer; + + for (i = 1; i < size; i++) { + sprintf(buffer, "%010d %05d %c \n", table->get_entry(i), 0, 'n'); + os << buffer; + } + + return puts(os); +} + +long PdfFile::tell() { + return length; +} + +PdfObject *PdfFile::begin_document(double version) { + Inkscape::SVGOStringStream os; + + length = 0; + pages = new PdfXref();; + + os << "%PDF-" << version << "\n"; + + obj_info = begin_object(); + *obj_info << "<<\n"; + + obj_catalog = begin_object(); + + obj_root = begin_object(); + *obj_root << "<<\n"; + *obj_root << " /Type /Catalog\n"; + *obj_root << " /Pages " << obj_catalog->get_id() << " 0 R\n"; + *obj_root << ">>\n"; + end_object(obj_root); + + puts(os); + puts(obj_root); + + return obj_info; +} + +void PdfFile::end_document(PdfObject *doc_info) { + Inkscape::SVGOStringStream os; + long startxref; + int i; + + *doc_info << ">>\n"; + end_object(doc_info); + puts(doc_info); + + *obj_catalog << "<<\n" + << " /Type /Pages\n" + << " /Count " << pages->get_size() << "\n" + << " /Kids [\n"; + for (i=1; i<=pages->get_size(); i++) { + *obj_catalog << " " << pages->get_entry(i) << " 0 R\n"; + } + *obj_catalog << " ]\n" + << ">>\n"; + end_object(obj_catalog); + puts(obj_catalog); + + startxref = tell(); + + puts(xref); + + os << "trailer\n" + << "<<\n" + << " /Size " << xref->get_size() << "\n" + << " /Root " << obj_root->get_id() << " 0 R\n" + << " /Info " << obj_info->get_id() << " 0 R\n" + << ">>\n"; + os << "startxref\n" + << startxref << "\n"; + os << "%%EOF\n"; + + puts(os); + + delete pages; + delete obj_root; + delete obj_catalog; + delete obj_info; +} + +PdfObject *PdfFile::begin_page(int x0, int y0, int x1, int y1) { + Inkscape::SVGOStringStream os; + + resources = new PdfXref[11](); + PdfObject *obj_page = begin_object(); + + obj_resources = begin_object(); + obj_contents = begin_object(); + obj_length = begin_object(); + + *obj_page << "<<\n" + << " /Type /Page\n" + << " /Parent " << obj_catalog->get_id() << " 0 R\n" + << " /MediaBox [ " << x0 << " " << y0 << " " << x1 << " " << y1 << " ]\n" + << " /Resources " << obj_resources->get_id() << " 0 R\n" + << " /Contents " << obj_contents->get_id() << " 0 R\n" + << ">>\n"; + end_object(obj_page); + puts(obj_page); + + pages->add_entry( obj_page->get_id() ); + + *obj_contents << "<<\n" + << " /Length " << obj_length->get_id() << " 0 R\n" + << ">>\n" + << "stream\n"; + stream_pos = obj_contents->get_length(); + + return obj_contents; +} + +void PdfFile::end_page(PdfObject *page) { + long stream_length = page->get_length() - stream_pos; + + *page << "endstream\n"; + end_object(page); + puts(page); + + *obj_length << stream_length << "\n"; + end_object(obj_length); + puts(obj_length); + + *obj_resources << "<<\n"; + *obj_resources << " /ProcSet [/PDF /Text /ImageB /ImageC /ImageI]\n"; + int res; + for (res=pdf_extgstate; res<=pdf_properties; res++) { + if (resources[res].get_size()) { + *obj_resources << " /" << pdf_res_long[res] << "\n"; + *obj_resources << " <<\n"; + int i; + for (i=1; i<=resources[res].get_size(); i++) { + int id = resources[res].get_entry(i); + *obj_resources << " /" + << pdf_res_short[res] << id + << " " << id << " 0 R\n"; + } + *obj_resources << " >>\n"; + } + } + *obj_resources << ">>\n"; + end_object(obj_resources); + puts(obj_resources); + + PdfObject *o = obj_resources->next; + while (o) { + PdfObject *t = o->next; + puts(o); + delete o; + o = t; + } + + delete obj_resources; + delete obj_length; + delete obj_contents; + + delete resources; +} + +PdfObject *PdfFile::begin_object() { + long id = xref->add_entry(); + PdfObject *obj = new PdfObject(id); + *obj << id << " 0 obj\n"; + return obj; +} + +void PdfFile::end_object(PdfObject *object) { + *object << "endobj\n"; +} + +PdfObject *PdfFile::begin_resource(enum pdf_resource_type res) { + PdfObject *obj = begin_object(); + if (res != pdf_none) { + resources[res].add_entry(obj->get_id()); + obj->set_type(res); + } + obj->next = obj_resources->next; + obj_resources->next = obj; + return obj; +} + +void PdfFile::end_resource(PdfObject *resource) { + end_object(resource); +} + + +#endif /* !PDF_MINI_H_SEEN */ diff --git a/src/extension/internal/pdf-out.cpp b/src/extension/internal/pdf-out.cpp new file mode 100644 index 000000000..370855fe6 --- /dev/null +++ b/src/extension/internal/pdf-out.cpp @@ -0,0 +1,144 @@ +/* + * A quick hack to use the print output to write out a file. This + * then makes 'save as...' PDF. + * + * Authors: + * Ted Gould + * Ulf Erikson + * + * Copyright (C) 2004-2006 Authors + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#ifdef HAVE_CONFIG_H +# include +#endif +#include "pdf-out.h" +#include +#include "extension/system.h" +#include "extension/print.h" +#include "extension/db.h" +#include "extension/output.h" +#include "display/nr-arena.h" +#include "display/nr-arena-item.h" +#include "sp-path.h" + +namespace Inkscape { +namespace Extension { +namespace Internal { + +bool +PdfOutput::check (Inkscape::Extension::Extension * module) +{ + if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_PDF)) + return FALSE; + + return TRUE; +} + + +static void +pdf_print_document_to_file(SPDocument *doc, gchar const *filename) +{ + Inkscape::Extension::Print *mod; + SPPrintContext context; + gchar const *oldconst; + gchar *oldoutput; + unsigned int ret; + + sp_document_ensure_up_to_date(doc); + + mod = Inkscape::Extension::get_print(SP_MODULE_KEY_PRINT_PDF); + oldconst = mod->get_param_string("destination"); + oldoutput = g_strdup(oldconst); + mod->set_param_string("destination", (gchar *)filename); + +/* Start */ + context.module = mod; + /* fixme: This has to go into module constructor somehow */ + /* Create new arena */ + mod->base = SP_ITEM(sp_document_root(doc)); + mod->arena = NRArena::create(); + mod->dkey = sp_item_display_key_new(1); + mod->root = sp_item_invoke_show(mod->base, mod->arena, mod->dkey, SP_ITEM_SHOW_DISPLAY); + /* Print document */ + ret = mod->begin(doc); + sp_item_invoke_print(mod->base, &context); + ret = mod->finish(); + /* Release arena */ + sp_item_invoke_hide(mod->base, mod->dkey); + mod->base = NULL; + nr_arena_item_unref(mod->root); + mod->root = NULL; + nr_object_unref((NRObject *) mod->arena); + mod->arena = NULL; +/* end */ + + mod->set_param_string("destination", oldoutput); + g_free(oldoutput); + + return; +} + + +/** + \brief This function calls the print system with the filename + \param mod unused + \param doc Document to be saved + \param uri Filename to save to (probably will end in .pdf) + + The most interesting thing that this function does is just attach + an '>' on the front of the filename. This is the syntax used to + tell the printing system to save to file. +*/ +void +PdfOutput::save (Inkscape::Extension::Output *mod, SPDocument *doc, const gchar *uri) +{ + Inkscape::Extension::Extension * ext; + + ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_PDF); + if (ext == NULL) + return; + + bool old_textToPath = ext->get_param_bool("textToPath"); + bool new_val = mod->get_param_bool("textToPath"); + ext->set_param_bool("textToPath", new_val); + + gchar * final_name; + final_name = g_strdup_printf("> %s", uri); + pdf_print_document_to_file(doc, final_name); + g_free(final_name); + + ext->set_param_bool("textToPath", old_textToPath); + + return; +} + +/** + \brief A function allocate a copy of this function. + + This is the definition of PDF out. This function just + calls the extension system with the memory allocated XML that + describes the data. +*/ +void +PdfOutput::init (void) +{ + Inkscape::Extension::build_from_mem( + "\n" + "PDF Output\n" + "org.inkscape.output.pdf\n" + "true\n" + "\n" + ".pdf\n" + "application/pdf\n" + "PDF (*.pdf)\n" + "PDF File\n" + "\n" + "", new PdfOutput()); + + return; +} + +} } } /* namespace Inkscape, Extension, Implementation */ diff --git a/src/extension/internal/pdf-out.h b/src/extension/internal/pdf-out.h new file mode 100644 index 000000000..00966d350 --- /dev/null +++ b/src/extension/internal/pdf-out.h @@ -0,0 +1,46 @@ +/* + * A quick hack to use the print output to write out a file. This + * then makes 'save as...' PDF. + * + * Authors: + * Ted Gould + * Ulf Erikson + * + * Copyright (C) 2004-2006 Authors + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#ifndef EXTENSION_INTERNAL_PDF_OUT_H +#define EXTENSION_INTERNAL_PDF_OUT_H + +#include "extension/implementation/implementation.h" + +namespace Inkscape { +namespace Extension { +namespace Internal { + +class PdfOutput : Inkscape::Extension::Implementation::Implementation { + +public: + bool check(Inkscape::Extension::Extension *module); + void save(Inkscape::Extension::Output *mod, + SPDocument *doc, + gchar const *uri); + static void init(); +}; + +} } } /* namespace Inkscape, Extension, Implementation */ + +#endif /* !EXTENSION_INTERNAL_PDF_OUT_H */ + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : diff --git a/src/extension/internal/pdf.cpp b/src/extension/internal/pdf.cpp new file mode 100644 index 000000000..0a4969a26 --- /dev/null +++ b/src/extension/internal/pdf.cpp @@ -0,0 +1,1551 @@ +#define __SP_PDF_C__ + +/** \file + * PDF printing. + */ +/* + * Authors: + * Lauris Kaplinski + * bulia byak + * Ulf Erikson + * + * Basic printing code, EXCEPT image and + * ascii85 filter is in public domain + * + * Image printing and Ascii85 filter: + * + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * Copyright (C) 1997-98 Peter Kirchgessner + * George White + * Austin Donnelly + * + * Licensed under GNU GPL + */ + +/* Plain Print */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "display/nr-arena-item.h" +#include "display/canvas-bpath.h" +#include "sp-item.h" +#include "style.h" +#include "sp-linear-gradient.h" +#include "sp-radial-gradient.h" + +#include "libnrtype/font-instance.h" +#include "libnrtype/font-style-to-pos.h" + +#include + +#include "pdf.h" +#include "extension/system.h" +#include "extension/print.h" + +#include "io/sys.h" + +#include "pdf-mini.h" + +namespace Inkscape { +namespace Extension { +namespace Internal { + +PrintPDF::PrintPDF() : + _stream(NULL), + _dpi(72), + _bitmap(false) +{ +} + +PrintPDF::~PrintPDF(void) +{ + /* fixme: should really use pclose for popen'd streams */ + if (_stream) fclose(_stream); + + /* restore default signal handling for SIGPIPE */ +#if !defined(_WIN32) && !defined(__WIN32__) + (void) signal(SIGPIPE, SIG_DFL); +#endif + + return; +} + +unsigned int +PrintPDF::setup(Inkscape::Extension::Print * mod) +{ + static gchar const *const pdr[] = {"72", "75", "100", "144", "150", "200", "300", "360", "600", "1200", "2400", NULL}; + +#ifdef TED + Inkscape::XML::Node *repr = ((SPModule *) mod)->repr; +#endif + + unsigned int ret = FALSE; + + /* Create dialog */ + GtkTooltips *tt = gtk_tooltips_new(); + g_object_ref((GObject *) tt); + gtk_object_sink((GtkObject *) tt); + + GtkWidget *dlg = gtk_dialog_new_with_buttons(_("Print Destination"), +// SP_DT_WIDGET(SP_ACTIVE_DESKTOP)->window, + NULL, + (GtkDialogFlags) (GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR | GTK_DIALOG_DESTROY_WITH_PARENT), + GTK_STOCK_CANCEL, + GTK_RESPONSE_CANCEL, + GTK_STOCK_PRINT, + GTK_RESPONSE_OK, + NULL); + + gtk_dialog_set_default_response(GTK_DIALOG(dlg), GTK_RESPONSE_OK); + + GtkWidget *vbox = GTK_DIALOG(dlg)->vbox; + gtk_container_set_border_width(GTK_CONTAINER(vbox), 4); + /* Print properties frame */ + GtkWidget *f = gtk_frame_new(_("Print properties")); + gtk_box_pack_start(GTK_BOX(vbox), f, FALSE, FALSE, 4); + GtkWidget *vb = gtk_vbox_new(FALSE, 4); + gtk_container_add(GTK_CONTAINER(f), vb); + gtk_container_set_border_width(GTK_CONTAINER(vb), 4); + /* Print type */ + bool const p2bm = mod->get_param_bool("bitmap"); + GtkWidget *rb = gtk_radio_button_new_with_label(NULL, _("Print using PDF operators")); + gtk_tooltips_set_tip((GtkTooltips *) tt, rb, + _("Use PDF vector operators. The resulting image is usually smaller " + "in file size and can be arbitrarily scaled, but " + "patterns will be lost."), NULL); + if (!p2bm) gtk_toggle_button_set_active((GtkToggleButton *) rb, TRUE); + gtk_box_pack_start(GTK_BOX(vb), rb, FALSE, FALSE, 0); + rb = gtk_radio_button_new_with_label(gtk_radio_button_get_group((GtkRadioButton *) rb), _("Print as bitmap")); + gtk_tooltips_set_tip((GtkTooltips *) tt, rb, + _("Print everything as bitmap. The resulting image is usually larger " + "in file size and cannot be arbitrarily scaled without quality loss, " + "but all objects will be rendered exactly as displayed."), NULL); + if (p2bm) gtk_toggle_button_set_active((GtkToggleButton *) rb, TRUE); + gtk_box_pack_start(GTK_BOX(vb), rb, FALSE, FALSE, 0); + /* Resolution */ + GtkWidget *hb = gtk_hbox_new(FALSE, 4); + gtk_box_pack_start(GTK_BOX(vb), hb, FALSE, FALSE, 0); + GtkWidget *combo = gtk_combo_new(); + gtk_combo_set_value_in_list(GTK_COMBO(combo), FALSE, FALSE); + gtk_combo_set_use_arrows(GTK_COMBO(combo), TRUE); + gtk_combo_set_use_arrows_always(GTK_COMBO(combo), TRUE); + gtk_widget_set_size_request(combo, 64, -1); + gtk_tooltips_set_tip((GtkTooltips *) tt, GTK_COMBO(combo)->entry, + _("Preferred resolution (dots per inch) of bitmap"), NULL); + /* Setup strings */ + GList *sl = NULL; + for (unsigned i = 0; pdr[i] != NULL; i++) { + sl = g_list_prepend(sl, (gpointer) pdr[i]); + } + sl = g_list_reverse(sl); + gtk_combo_set_popdown_strings(GTK_COMBO(combo), sl); + g_list_free(sl); + if (1) { + gchar const *val = mod->get_param_string("resolution"); + gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(combo)->entry), val); + } + gtk_box_pack_end(GTK_BOX(hb), combo, FALSE, FALSE, 0); + GtkWidget *l = gtk_label_new(_("Resolution:")); + gtk_box_pack_end(GTK_BOX(hb), l, FALSE, FALSE, 0); + + /* Print destination frame */ + f = gtk_frame_new(_("Print destination")); + gtk_box_pack_start(GTK_BOX(vbox), f, FALSE, FALSE, 4); + vb = gtk_vbox_new(FALSE, 4); + gtk_container_add(GTK_CONTAINER(f), vb); + gtk_container_set_border_width(GTK_CONTAINER(vb), 4); + + l = gtk_label_new(_("Printer name (as given by lpstat -p);\n" + "leave empty to use the system default printer.\n" + "Use '> filename' to print to file.\n" + "Use '| prog arg...' to pipe to a program.")); + gtk_box_pack_start(GTK_BOX(vb), l, FALSE, FALSE, 0); + + GtkWidget *e = gtk_entry_new(); + if (1) { + gchar const *val = mod->get_param_string("destination"); + gtk_entry_set_text(GTK_ENTRY(e), ( val != NULL + ? val + : "" )); + } + gtk_box_pack_start(GTK_BOX(vb), e, FALSE, FALSE, 0); + + // pressing enter in the destination field is the same as clicking Print: + gtk_entry_set_activates_default(GTK_ENTRY(e), TRUE); + + gtk_widget_show_all(vbox); + + int const response = gtk_dialog_run(GTK_DIALOG(dlg)); + + g_object_unref((GObject *) tt); + + if (response == GTK_RESPONSE_OK) { + gchar const *fn; + char const *sstr; + + _bitmap = gtk_toggle_button_get_active((GtkToggleButton *) rb); + sstr = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(combo)->entry)); + _dpi = (unsigned int) MAX((int)(atof(sstr)), 1); + /* Arrgh, have to do something */ + fn = gtk_entry_get_text(GTK_ENTRY(e)); + /* skip leading whitespace, bug #1068483 */ + while (fn && *fn==' ') { fn++; } + /* g_print("Printing to %s\n", fn); */ + + mod->set_param_bool("bitmap", _bitmap); + mod->set_param_string("resolution", (gchar *)sstr); + mod->set_param_string("destination", (gchar *)fn); + ret = TRUE; + } + + gtk_widget_destroy(dlg); + + return ret; +} + +unsigned int +PrintPDF::begin(Inkscape::Extension::Print *mod, SPDocument *doc) +{ + gboolean epsexport = false; + + _latin1_encoded_fonts.clear(); + _newlatin1font_proc_defined = false; + + FILE *osf = NULL; + FILE *osp = NULL; + + gsize bytesRead = 0; + gsize bytesWritten = 0; + GError *error = NULL; + gchar const *utf8_fn = mod->get_param_string("destination"); + gchar *local_fn = g_filename_from_utf8( utf8_fn, + -1, &bytesRead, &bytesWritten, &error); + gchar const *fn = local_fn; + + /* TODO: Replace the below fprintf's with something that does the right thing whether in + * gui or batch mode (e.g. --print=blah). Consider throwing an exception: currently one of + * the callers (sp_print_document_to_file, "ret = mod->begin(doc)") wrongly ignores the + * return code. + */ + if (fn != NULL) { + if (*fn == '|') { + fn += 1; + while (isspace(*fn)) fn += 1; +#ifndef WIN32 + osp = popen(fn, "wb"); +#else + osp = _popen(fn, "wb"); +#endif + if (!osp) { + fprintf(stderr, "inkscape: popen(%s): %s\n", + fn, strerror(errno)); + return 0; + } + _stream = osp; + } else if (*fn == '>') { + fn += 1; + epsexport = g_str_has_suffix(fn,".eps"); + while (isspace(*fn)) fn += 1; + Inkscape::IO::dump_fopen_call(fn, "K"); + osf = Inkscape::IO::fopen_utf8name(fn, "wb+"); + if (!osf) { + fprintf(stderr, "inkscape: fopen(%s): %s\n", + fn, strerror(errno)); + return 0; + } + _stream = osf; + } else { + /* put cwd stuff in here */ + gchar *qn = ( *fn + ? g_strdup_printf("lpr -P %s", fn) /* FIXME: quote fn */ + : g_strdup("lpr") ); +#ifndef WIN32 + osp = popen(qn, "wb"); +#else + osp = _popen(qn, "wb"); +#endif + if (!osp) { + fprintf(stderr, "inkscape: popen(%s): %s\n", + qn, strerror(errno)); + return 0; + } + g_free(qn); + _stream = osp; + } + } + + g_free(local_fn); + + if (_stream) { + /* fixme: this is kinda icky */ +#if !defined(_WIN32) && !defined(__WIN32__) + (void) signal(SIGPIPE, SIG_IGN); +#endif + } + + pdf_file = new PdfFile(_stream); + doc_info = pdf_file->begin_document(1.4); +// *doc_info << " /Title(" << "?" << ")\n"; +// *doc_info << " /Author(" << "?" << ")\n"; +// *doc_info << " /Subject(" << "?" << ")\n"; +// *doc_info << " /Keywords(" << "?" << ")\n"; +// *doc_info << " /Creator(" << "?" << ")\n"; + *doc_info << " /Producer(" << PACKAGE_STRING << ")\n"; +// *doc_info << " /CreationDate(D:YYYYMMDDHHmmSSOHH'mm')\n"; + + /* flush this to test output stream as early as possible */ + if (fflush(_stream)) { + /*g_print("caught error in sp_module_print_plain_begin\n");*/ + if (ferror(_stream)) { + g_print("Error %d on output stream: %s\n", errno, + g_strerror(errno)); + } + g_print("Printing failed\n"); + /* fixme: should use pclose() for pipes */ + fclose(_stream); + _stream = NULL; + fflush(stdout); + return 0; + } + + // width and height in pt + _width = sp_document_width(doc) * PT_PER_PX; + _height = sp_document_height(doc) * PT_PER_PX; + + NRRect d; + bool pageBoundingBox; + pageBoundingBox = mod->get_param_bool("pageBoundingBox"); + // printf("Page Bounding Box: %s\n", pageBoundingBox ? "TRUE" : "FALSE"); + if (pageBoundingBox) { + d.x0 = d.y0 = 0; + d.x1 = ceil(_width); + d.y1 = ceil(_height); + } else { + SPItem* doc_item = SP_ITEM(sp_document_root(doc)); + sp_item_invoke_bbox(doc_item, &d, sp_item_i2r_affine(doc_item), TRUE); + // convert from px to pt + d.x0 *= PT_PER_PX; + d.x1 *= PT_PER_PX; + d.y0 *= PT_PER_PX; + d.y1 *= PT_PER_PX; + } + + page_stream = pdf_file->begin_page( (int) d.x0, (int) d.y0, + (int) d.x1, (int) d.y1 ); + + if (!_bitmap) { + *page_stream << PT_PER_PX << " 0 0 " + << -PT_PER_PX << " 0 " << (int) ceil(_height) + << " cm\n"; + // from now on we can output px, but they will be treated as pt + } + + return 1; +} + +unsigned int +PrintPDF::finish(Inkscape::Extension::Print *mod) +{ + if (!_stream) return 0; + + if (_bitmap) { + double const dots_per_pt = _dpi / PT_PER_IN; + + double const x0 = 0.0; + double const y0 = 0.0; + double const x1 = x0 + _width; + double const y1 = y0 + _height; + + /* Bitmap width/height in bitmap dots. */ + int const width = (int) (_width * dots_per_pt + 0.5); + int const height = (int) (_height * dots_per_pt + 0.5); + + NRMatrix affine; + affine.c[0] = width / ((x1 - x0) * PX_PER_PT); + affine.c[1] = 0.0; + affine.c[2] = 0.0; + affine.c[3] = height / ((y1 - y0) * PX_PER_PT); + affine.c[4] = -affine.c[0] * x0; + affine.c[5] = -affine.c[3] * y0; + + nr_arena_item_set_transform(mod->root, &affine); + + guchar *const px = nr_new(guchar, 4 * width * 64); + + for (int y = 0; y < height; y += 64) { + /* Set area of interest. */ + NRRectL bbox; + bbox.x0 = 0; + bbox.y0 = y; + bbox.x1 = width; + bbox.y1 = MIN(height, y + 64); + + /* Update to renderable state. */ + NRGC gc(NULL); + nr_matrix_set_identity(&gc.transform); + nr_arena_item_invoke_update(mod->root, &bbox, &gc, NR_ARENA_ITEM_STATE_ALL, NR_ARENA_ITEM_STATE_NONE); + /* Render */ + /* This should take guchar* instead of unsigned char*) */ + NRPixBlock pb; + nr_pixblock_setup_extern(&pb, NR_PIXBLOCK_MODE_R8G8B8A8N, + bbox.x0, bbox.y0, bbox.x1, bbox.y1, + (guchar*)px, 4 * width, FALSE, FALSE); + memset(px, 0xff, 4 * width * 64); + nr_arena_item_invoke_render(mod->root, &bbox, &pb, 0); + /* Blitter goes here */ + NRMatrix imgt; + imgt.c[0] = (bbox.x1 - bbox.x0) / dots_per_pt; + imgt.c[1] = 0.0; + imgt.c[2] = 0.0; + imgt.c[3] = (bbox.y1 - bbox.y0) / dots_per_pt; + imgt.c[4] = 0.0; + imgt.c[5] = _height - y / dots_per_pt - (bbox.y1 - bbox.y0) / dots_per_pt; + + print_image(_stream, px, bbox.x1 - bbox.x0, bbox.y1 - bbox.y0, 4 * width, &imgt); + } + + nr_free(px); + } + + pdf_file->end_page(page_stream); + pdf_file->end_document(doc_info); + + delete pdf_file; + + /* Flush stream to be sure. */ + (void) fflush(_stream); + + /* fixme: should really use pclose for popen'd streams */ + fclose(_stream); + _stream = 0; + _latin1_encoded_fonts.clear(); + + return 0; +} + +unsigned int +PrintPDF::bind(Inkscape::Extension::Print *mod, NRMatrix const *transform, float opacity) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + *page_stream << "q\n"; + *page_stream << transform->c[0] << " " + << transform->c[1] << " " + << transform->c[2] << " " + << transform->c[3] << " " + << transform->c[4] << " " + << transform->c[5] << " cm\n"; + + return 1; +} + +unsigned int +PrintPDF::release(Inkscape::Extension::Print *mod) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + *page_stream << "Q\n"; + + return 1; +} + +unsigned int +PrintPDF::comment(Inkscape::Extension::Print *mod, char const *comment) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + *page_stream << "% " << comment; + + return 1; +} + +void +PrintPDF::print_fill_alpha(SVGOStringStream &/*os*/, SPStyle const *const style, NRRect const *pbox) +{ + g_return_if_fail( style->fill.type == SP_PAINT_TYPE_COLOR + || ( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) ); + + if (style->fill.type == SP_PAINT_TYPE_COLOR) { + float alpha = 1.0; + + if (style->opacity.set) + alpha *= SP_SCALE24_TO_FLOAT(style->opacity.value); + + if (style->fill_opacity.set) + alpha *= SP_SCALE24_TO_FLOAT(style->fill_opacity.value); + + if (alpha != 1.0) { + PdfObject *pdf_alpha = pdf_file->begin_resource(pdf_extgstate); + *pdf_alpha << "<< /Type /ExtGState\n"; + *pdf_alpha << " /ca " << alpha << "\n"; + *pdf_alpha << " /AIS false\n"; + *pdf_alpha << ">>\n"; + + *page_stream << pdf_alpha->get_name() + << " gs\n"; + + pdf_file->end_resource(pdf_alpha); + } + } else { + g_assert( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ); + + if (SP_IS_LINEARGRADIENT (SP_STYLE_FILL_SERVER (style))) { + + SPLinearGradient *lg=SP_LINEARGRADIENT(SP_STYLE_FILL_SERVER (style)); + NR::Point p1 (lg->x1.computed, lg->y1.computed); + NR::Point p2 (lg->x2.computed, lg->y2.computed); + if (pbox && SP_GRADIENT(lg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) { + // convert to userspace + NR::Matrix bbox2user(pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0); + p1 *= bbox2user; + p2 *= bbox2user; + } + + double alpha = 1.0; + for (gint i = 0; unsigned(i) < lg->vector.stops.size(); i++) { + alpha *= lg->vector.stops[i].opacity; + } + + if (alpha != 1.0 || style->opacity.set) { + PdfObject *pdf_gstate = pdf_file->begin_resource(pdf_extgstate); + *pdf_gstate << "<< /Type /ExtGState\n"; + + if (style->opacity.set) { + *pdf_gstate << " /ca " << SP_SCALE24_TO_FLOAT(style->opacity.value) << "\n"; + *pdf_gstate << " /AIS false\n"; + } + + if (alpha != 1.0) { + PdfObject *pdf_alpha = pdf_file->begin_resource(pdf_shading); + PdfObject *pdf_smask = pdf_file->begin_resource(pdf_none); + PdfObject *pdf_xobj = pdf_file->begin_resource(pdf_none); + + + *pdf_gstate << " /SMask " << pdf_smask->get_id() << " 0 R\n"; + + + *pdf_alpha << "<<\n/ShadingType 2\n/ColorSpace /DeviceGray\n"; + *pdf_alpha << "/Coords [" << p1[NR::X] << " " << p1[NR::Y] << " " << p2[NR::X] << " " << p2[NR::Y] <<"]\n"; + *pdf_alpha << "/Extend [true true]\n"; + *pdf_alpha << "/Domain [0 1]\n"; + *pdf_alpha << "/Function <<\n/FunctionType 3\n/Functions\n[\n"; + + sp_gradient_ensure_vector(SP_GRADIENT(lg)); // when exporting from commandline, vector is not built + for (gint i = 0; unsigned(i) < lg->vector.stops.size() - 1; i++) { + *pdf_alpha << "<<\n/FunctionType 2\n/Domain [0 1]\n"; + *pdf_alpha << "/C0 [" << lg->vector.stops[i].opacity << "]\n"; + *pdf_alpha << "/C1 [" << lg->vector.stops[i+1].opacity << "]\n"; + *pdf_alpha << "/N 1\n>>\n"; + } + *pdf_alpha << "]\n/Domain [0 1]\n"; + *pdf_alpha << "/Bounds [ "; + for (gint i=0;unsigned(i)vector.stops.size()-2;i++) { + *pdf_alpha << lg->vector.stops[i+1].offset <<" "; + } + *pdf_alpha << "]\n"; + *pdf_alpha << "/Encode [ "; + for (gint i=0;unsigned(i)vector.stops.size()-1;i++) { + *pdf_alpha << "0 1 "; + } + *pdf_alpha << "]\n"; + *pdf_alpha << ">>\n>>\n"; + + + *pdf_smask << "<< /Type /Mask\n"; + *pdf_smask << " /S /Alpha\n"; + *pdf_smask << " /BC [0.0]\n"; + *pdf_smask << " /G " << pdf_xobj->get_id() << " 0 R\n"; + *pdf_smask << ">>\n"; + + + *pdf_xobj << "<< /Type /XObject\n"; + *pdf_xobj << " /Subtype /Form\n"; + *pdf_xobj << " /FormType 1\n"; + *pdf_xobj << " /BBox [" + << pbox->x0 << " " + << pbox->y0 << " " + << pbox->x1 << " " + << pbox->y1 << "]\n"; + *pdf_xobj << " /Group\n"; + *pdf_xobj << " << /Type /Group\n"; + *pdf_xobj << " /S /Transparency\n"; + *pdf_xobj << " /CS /DeviceGray \n"; + *pdf_xobj << " >>\n"; + + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + os << "q\n" + << pbox->x0 << " " << pbox->y0 << " m\n" + << pbox->x1 << " " << pbox->y0 << " l\n" + << pbox->x1 << " " << pbox->y1 << " l\n" + << pbox->x0 << " " << pbox->y1 << " l\n" + << pbox->x0 << " " << pbox->y0 << " l\n" + << "h\n" + << "W* n\n"; + + SPGradient const *g = SP_GRADIENT(SP_STYLE_FILL_SERVER(style)); + if (g->gradientTransform_set) { + os << g->gradientTransform[0] << " " + << g->gradientTransform[1] << " " + << g->gradientTransform[2] << " " + << g->gradientTransform[3] << " " + << g->gradientTransform[4] << " " + << g->gradientTransform[5] << " cm\n"; + } + + os << pdf_alpha->get_name() << " sh\n"; + os << "Q\n"; + *pdf_xobj << " /Length " << strlen(os.str().c_str()) << "\n"; + *pdf_xobj << ">>\n"; + *pdf_xobj << "stream\n"; + *pdf_xobj << os.str().c_str(); + *pdf_xobj << "endstream\n"; + + + pdf_file->end_resource(pdf_alpha); + pdf_file->end_resource(pdf_smask); + pdf_file->end_resource(pdf_xobj); + } + + *pdf_gstate << ">>\n"; + + *page_stream << pdf_gstate->get_name() << " gs\n"; + + pdf_file->end_resource(pdf_gstate); + } + } else if (SP_IS_RADIALGRADIENT (SP_STYLE_FILL_SERVER (style))) { + + SPRadialGradient *rg=SP_RADIALGRADIENT(SP_STYLE_FILL_SERVER (style)); + NR::Point c (rg->cx.computed, rg->cy.computed); + NR::Point f (rg->fx.computed, rg->fy.computed); + double r = rg->r.computed; + if (pbox && SP_GRADIENT(rg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) { + // convert to userspace + NR::Matrix bbox2user(pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0); + c *= bbox2user; + f *= bbox2user; + r *= bbox2user.expansion(); + } + + double alpha = 1.0; + for (gint i = 0; unsigned(i) < rg->vector.stops.size(); i++) { + alpha *= rg->vector.stops[i].opacity; + } + + if (alpha != 1.0 || style->opacity.set) { + PdfObject *pdf_gstate = pdf_file->begin_resource(pdf_extgstate); + *pdf_gstate << "<< /Type /ExtGState\n"; + + if (style->opacity.set) { + *pdf_gstate << " /ca " << SP_SCALE24_TO_FLOAT(style->opacity.value) << "\n"; + *pdf_gstate << " /AIS false\n"; + } + + if (alpha != 1.0) { + PdfObject *pdf_alpha = pdf_file->begin_resource(pdf_shading); + PdfObject *pdf_smask = pdf_file->begin_resource(pdf_none); + PdfObject *pdf_xobj = pdf_file->begin_resource(pdf_none); + + + *pdf_gstate << " /SMask " << pdf_smask->get_id() << " 0 R\n"; + + + *pdf_alpha << "<<\n/ShadingType 3\n/ColorSpace /DeviceGray\n"; + *pdf_alpha << "/Coords ["<< f[NR::X] <<" "<< f[NR::Y] <<" 0 "<< c[NR::X] <<" "<< c[NR::Y] <<" "<< r <<"]\n"; + *pdf_alpha << "/Extend [true true]\n"; + *pdf_alpha << "/Domain [0 1]\n"; + *pdf_alpha << "/Function <<\n/FunctionType 3\n/Functions\n[\n"; + + sp_gradient_ensure_vector(SP_GRADIENT(rg)); // when exporting from commandline, vector is not built + for (gint i = 0; unsigned(i) < rg->vector.stops.size() - 1; i++) { + *pdf_alpha << "<<\n/FunctionType 2\n/Domain [0 1]\n"; + *pdf_alpha << "/C0 [" << rg->vector.stops[i].opacity << "]\n"; + *pdf_alpha << "/C1 [" << rg->vector.stops[i+1].opacity << "]\n"; + *pdf_alpha << "/N 1\n>>\n"; + } + *pdf_alpha << "]\n/Domain [0 1]\n"; + *pdf_alpha << "/Bounds [ "; + + for (gint i=0;unsigned(i)vector.stops.size()-2;i++) { + *pdf_alpha << rg->vector.stops[i+1].offset <<" "; + } + *pdf_alpha << "]\n"; + *pdf_alpha << "/Encode [ "; + for (gint i=0;unsigned(i)vector.stops.size()-1;i++) { + *pdf_alpha << "0 1 "; + } + *pdf_alpha << "]\n"; + *pdf_alpha << ">>\n>>\n"; + + + *pdf_smask << "<< /Type /Mask\n"; + *pdf_smask << " /S /Alpha\n"; + *pdf_smask << " /BC [0.0]\n"; + *pdf_smask << " /G " << pdf_xobj->get_id() << " 0 R\n"; + *pdf_smask << ">>\n"; + + + *pdf_xobj << "<< /Type /XObject\n"; + *pdf_xobj << " /Subtype /Form\n"; + *pdf_xobj << " /FormType 1\n"; + *pdf_xobj << " /BBox [" + << pbox->x0 << " " + << pbox->y0 << " " + << pbox->x1 << " " + << pbox->y1 << "]\n"; + *pdf_xobj << " /Group\n"; + *pdf_xobj << " << /Type /Group\n"; + *pdf_xobj << " /S /Transparency\n"; + *pdf_xobj << " /CS /DeviceGray \n"; + *pdf_xobj << " >>\n"; + + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + os << "q\n" + << pbox->x0 << " " << pbox->y0 << " m\n" + << pbox->x1 << " " << pbox->y0 << " l\n" + << pbox->x1 << " " << pbox->y1 << " l\n" + << pbox->x0 << " " << pbox->y1 << " l\n" + << pbox->x0 << " " << pbox->y0 << " l\n" + << "h\n" + << "W* n\n"; + + SPGradient const *g = SP_GRADIENT(SP_STYLE_FILL_SERVER(style)); + if (g->gradientTransform_set) { + os << g->gradientTransform[0] << " " + << g->gradientTransform[1] << " " + << g->gradientTransform[2] << " " + << g->gradientTransform[3] << " " + << g->gradientTransform[4] << " " + << g->gradientTransform[5] << " cm\n"; + } + + os << pdf_alpha->get_name() << " sh\n"; + os << "Q\n"; + *pdf_xobj << " /Length " << strlen(os.str().c_str()) << "\n"; + *pdf_xobj << ">>\n"; + *pdf_xobj << "stream\n"; + *pdf_xobj << os.str().c_str(); + *pdf_xobj << "endstream\n"; + + + pdf_file->end_resource(pdf_alpha); + pdf_file->end_resource(pdf_smask); + pdf_file->end_resource(pdf_xobj); + } + + *pdf_gstate << ">>\n"; + + *page_stream << pdf_gstate->get_name() << " gs\n"; + + pdf_file->end_resource(pdf_gstate); + } + } + } +} + +void +PrintPDF::print_fill_style(SVGOStringStream &os, SPStyle const *const style, NRRect const *pbox) +{ + g_return_if_fail( style->fill.type == SP_PAINT_TYPE_COLOR + || ( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) ); + + if (style->fill.type == SP_PAINT_TYPE_COLOR) { + float rgb[3]; + sp_color_get_rgb_floatv(&style->fill.value.color, rgb); + + *page_stream << rgb[0] << " " << rgb[1] << " " << rgb[2] << " rg\n"; + } else { + g_assert( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ); + + if (SP_IS_LINEARGRADIENT (SP_STYLE_FILL_SERVER (style))) { + + SPLinearGradient *lg=SP_LINEARGRADIENT(SP_STYLE_FILL_SERVER (style)); + NR::Point p1 (lg->x1.computed, lg->y1.computed); + NR::Point p2 (lg->x2.computed, lg->y2.computed); + if (pbox && SP_GRADIENT(lg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) { + // convert to userspace + NR::Matrix bbox2user(pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0); + p1 *= bbox2user; + p2 *= bbox2user; + } + + PdfObject *pdf_shade = pdf_file->begin_resource(pdf_shading); + + *pdf_shade << "<<\n/ShadingType 2\n/ColorSpace /DeviceRGB\n"; + *pdf_shade << "/Coords [" << p1[NR::X] << " " << p1[NR::Y] << " " << p2[NR::X] << " " << p2[NR::Y] <<"]\n"; + *pdf_shade << "/Extend [true true]\n"; + *pdf_shade << "/Domain [0 1]\n"; + *pdf_shade << "/Function <<\n/FunctionType 3\n/Functions\n[\n"; + + sp_gradient_ensure_vector(SP_GRADIENT(lg)); // when exporting from commandline, vector is not built + for (gint i = 0; unsigned(i) < lg->vector.stops.size() - 1; i++) { + float rgb[3]; + sp_color_get_rgb_floatv(&lg->vector.stops[i].color, rgb); + *pdf_shade << "<<\n/FunctionType 2\n/Domain [0 1]\n"; + *pdf_shade << "/C0 [" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "]\n"; + sp_color_get_rgb_floatv(&lg->vector.stops[i+1].color, rgb); + *pdf_shade << "/C1 [" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "]\n"; + *pdf_shade << "/N 1\n>>\n"; + } + *pdf_shade << "]\n/Domain [0 1]\n"; + *pdf_shade << "/Bounds [ "; + for (gint i=0;unsigned(i)vector.stops.size()-2;i++) { + *pdf_shade << lg->vector.stops[i+1].offset <<" "; + } + *pdf_shade << "]\n"; + *pdf_shade << "/Encode [ "; + for (gint i=0;unsigned(i)vector.stops.size()-1;i++) { + *pdf_shade << "0 1 "; + } + *pdf_shade << "]\n"; + *pdf_shade << ">>\n>>\n"; + *page_stream << pdf_shade->get_name() << " "; + + pdf_file->end_resource(pdf_shade); + } else if (SP_IS_RADIALGRADIENT (SP_STYLE_FILL_SERVER (style))) { + + SPRadialGradient *rg=SP_RADIALGRADIENT(SP_STYLE_FILL_SERVER (style)); + NR::Point c (rg->cx.computed, rg->cy.computed); + NR::Point f (rg->fx.computed, rg->fy.computed); + double r = rg->r.computed; + if (pbox && SP_GRADIENT(rg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) { + // convert to userspace + NR::Matrix bbox2user(pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0); + c *= bbox2user; + f *= bbox2user; + r *= bbox2user.expansion(); + } + + PdfObject *pdf_shade = pdf_file->begin_resource(pdf_shading); + + *pdf_shade << "<<\n/ShadingType 3\n/ColorSpace /DeviceRGB\n"; + *pdf_shade << "/Coords ["<< f[NR::X] <<" "<< f[NR::Y] <<" 0 "<< c[NR::X] <<" "<< c[NR::Y] <<" "<< r <<"]\n"; + *pdf_shade << "/Extend [true true]\n"; + *pdf_shade << "/Domain [0 1]\n"; + *pdf_shade << "/Function <<\n/FunctionType 3\n/Functions\n[\n"; + + sp_gradient_ensure_vector(SP_GRADIENT(rg)); // when exporting from commandline, vector is not built + for (gint i = 0; unsigned(i) < rg->vector.stops.size() - 1; i++) { + float rgb[3]; + sp_color_get_rgb_floatv(&rg->vector.stops[i].color, rgb); + *pdf_shade << "<<\n/FunctionType 2\n/Domain [0 1]\n"; + *pdf_shade << "/C0 [" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "]\n"; + sp_color_get_rgb_floatv(&rg->vector.stops[i+1].color, rgb); + *pdf_shade << "/C1 [" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "]\n"; + *pdf_shade << "/N 1\n>>\n"; + } + *pdf_shade << "]\n/Domain [0 1]\n"; + *pdf_shade << "/Bounds [ "; + + for (gint i=0;unsigned(i)vector.stops.size()-2;i++) { + *pdf_shade << rg->vector.stops[i+1].offset <<" "; + } + *pdf_shade << "]\n"; + *pdf_shade << "/Encode [ "; + for (gint i=0;unsigned(i)vector.stops.size()-1;i++) { + *pdf_shade << "0 1 "; + } + *pdf_shade << "]\n"; + *pdf_shade << ">>\n>>\n"; + + *page_stream << pdf_shade->get_name() << " "; + + pdf_file->end_resource(pdf_shade); + } + } +} + +void +PrintPDF::print_stroke_style(SVGOStringStream &os, SPStyle const *style) +{ + float rgb[3]; + + sp_color_get_rgb_floatv(&style->stroke.value.color, rgb); + *page_stream << rgb[0] << " " << rgb[1] << " " << rgb[2] << " RG\n"; + + float alpha = 1.0; + + if (style->opacity.set) + alpha *= SP_SCALE24_TO_FLOAT(style->opacity.value); + + if (style->stroke_opacity.set) + alpha *= SP_SCALE24_TO_FLOAT(style->stroke_opacity.value); + + if (alpha != 1.0) { + PdfObject *pdf_alpha = pdf_file->begin_resource(pdf_extgstate); + *pdf_alpha << "<< /Type /ExtGState\n"; + *pdf_alpha << " /CA " << alpha << "\n"; + *pdf_alpha << " /AIS false\n"; + *pdf_alpha << ">>\n"; + + *page_stream << pdf_alpha->get_name() << " gs\n"; + + pdf_file->end_resource(pdf_alpha); + } + + // There are rare cases in which for a solid line stroke_dasharray_set is true. To avoid + // invalid PS-lines such as "[0.0000000 0.0000000] 0.0000000 setdash", which should be "[] 0 setdash", + // we first check if all components of stroke_dash.dash are 0. + bool LineSolid = true; + if (style->stroke_dasharray_set && + style->stroke_dash.n_dash && + style->stroke_dash.dash ) + { + int i = 0; + while (LineSolid && (i < style->stroke_dash.n_dash)) { + if (style->stroke_dash.dash[i] > 0.00000001) + LineSolid = false; + i++; + } + if (!LineSolid) { + *page_stream << "["; + for (i = 0; i < style->stroke_dash.n_dash; i++) { + if (i > 0) { + *page_stream << " "; + } + *page_stream << style->stroke_dash.dash[i]; + } + *page_stream << "] " << style->stroke_dash.offset << " d\n"; + } else { + *page_stream << "[] 0 d\n"; + } + } else { + *page_stream << "[] 0 d\n"; + } + + *page_stream << style->stroke_width.computed << " w\n"; + *page_stream << style->stroke_linejoin.computed << " j\n"; + *page_stream << style->stroke_linecap.computed << " J\n"; + if (style->stroke_miterlimit.set) { + *page_stream << style->stroke_miterlimit.value << " M\n"; + } +} + + +unsigned int +PrintPDF::fill(Inkscape::Extension::Print *mod, NRBPath const *bpath, NRMatrix const *ctm, SPStyle const *const style, + NRRect const *pbox, NRRect const *dbox, NRRect const *bbox) +{ + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + if ( style->fill.type == SP_PAINT_TYPE_COLOR ) { + *page_stream << "q\n"; + print_fill_style(os, style, pbox); + print_fill_alpha(os, style, pbox); + print_bpath(os, bpath->path); + if (style->fill_rule.value == SP_WIND_RULE_EVENODD) { + *page_stream << "f*\n"; + } else { + *page_stream << "f\n"; + } + *page_stream << "Q\n"; + } + else if ( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) + { + *page_stream << "q\n"; + print_bpath(os, bpath->path); + + if (style->fill_rule.value == SP_WIND_RULE_EVENODD) { + g_assert( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ); + SPGradient const *g = SP_GRADIENT(SP_STYLE_FILL_SERVER(style)); + *page_stream << "W* n\n"; + print_fill_alpha(os, style, pbox); + if (g->gradientTransform_set) { + *page_stream << "q\n"; + *page_stream << g->gradientTransform[0] << " " + << g->gradientTransform[1] << " " + << g->gradientTransform[2] << " " + << g->gradientTransform[3] << " " + << g->gradientTransform[4] << " " + << g->gradientTransform[5] << " cm\n"; + } + print_fill_style(os, style, pbox); + *page_stream << "sh\n"; + if (g->gradientTransform_set) { + *page_stream << "Q\n"; + } + } else { + g_assert( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ); + SPGradient const *g = SP_GRADIENT(SP_STYLE_FILL_SERVER(style)); + *page_stream << "W n\n"; + print_fill_alpha(os, style, pbox); + if (g->gradientTransform_set) { + *page_stream << "q\n"; + *page_stream << g->gradientTransform[0] << " " + << g->gradientTransform[1] << " " + << g->gradientTransform[2] << " " + << g->gradientTransform[3] << " " + << g->gradientTransform[4] << " " + << g->gradientTransform[5] << " cm\n"; + } + print_fill_style(os, style, pbox); + *page_stream << "sh\n"; + if (g->gradientTransform_set) { + *page_stream << "Q\n"; + } + } + + *page_stream << "Q\n"; + } + + return 0; +} + + +unsigned int +PrintPDF::stroke(Inkscape::Extension::Print *mod, NRBPath const *bpath, NRMatrix const *ctm, SPStyle const *style, + NRRect const *pbox, NRRect const *dbox, NRRect const *bbox) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + if (style->stroke.type == SP_PAINT_TYPE_COLOR) { + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + *page_stream << "q\n"; + + print_stroke_style(os, style); + print_bpath(os, bpath->path); + *page_stream << "S\n"; + + *page_stream << "Q\n"; + } + + return 0; +} + +unsigned int +PrintPDF::image(Inkscape::Extension::Print *mod, guchar *px, unsigned int w, unsigned int h, unsigned int rs, + NRMatrix const *transform, SPStyle const *style) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + return 0; + + return print_image(_stream, px, w, h, rs, transform); +#if 0 + fprintf(_stream, "gsave\n"); + fprintf(_stream, "/rowdata %d string def\n", 3 * w); + fprintf(_stream, "[%g %g %g %g %g %g] concat\n", + transform->c[0], + transform->c[1], + transform->c[2], + transform->c[3], + transform->c[4], + transform->c[5]); + fprintf(_stream, "%d %d 8 [%d 0 0 -%d 0 %d]\n", w, h, w, h, h); + fprintf(_stream, "{currentfile rowdata readhexstring pop}\n"); + fprintf(_stream, "false 3 colorimage\n"); + + for (unsigned int r = 0; r < h; r++) { + guchar *s; + unsigned int c0, c1, c; + s = px + r * rs; + for (c0 = 0; c0 < w; c0 += 24) { + c1 = MIN(w, c0 + 24); + for (c = c0; c < c1; c++) { + static char const xtab[] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; + fputc(xtab[s[0] >> 4], _stream); + fputc(xtab[s[0] & 0xf], _stream); + fputc(xtab[s[1] >> 4], _stream); + fputc(xtab[s[1] & 0xf], _stream); + fputc(xtab[s[2] >> 4], _stream); + fputc(xtab[s[2] & 0xf], _stream); + s += 4; + } + fputs("\n", _stream); + } + } + + fprintf(_stream, "grestore\n"); + + return 0; +#endif +} + +char const * +PrintPDF::PSFontName(SPStyle const *style) +{ + font_instance *tf = (font_factory::Default())->Face(style->text->font_family.value, font_style_to_pos(*style)); + + char const *n; + char name_buf[256]; + + if (tf) { + tf->PSName(name_buf, sizeof(name_buf)); + n = name_buf; + tf->Unref(); + } else { + // this system does not have this font, so just use the name from SVG in the hope that PS interpreter will make sense of it + bool i = (style->font_style.value == SP_CSS_FONT_STYLE_ITALIC); + bool o = (style->font_style.value == SP_CSS_FONT_STYLE_OBLIQUE); + bool b = (style->font_weight.value == SP_CSS_FONT_WEIGHT_BOLD) || + (style->font_weight.value >= SP_CSS_FONT_WEIGHT_500 && style->font_weight.value <= SP_CSS_FONT_WEIGHT_900); + + n = g_strdup_printf("%s%s%s%s", + g_strdelimit(style->text->font_family.value, " ", '-'), + (b || i || o) ? "-" : "", + (b) ? "Bold" : "", + (i) ? "Italic" : ((o) ? "Oblique" : "") ); + } + + return g_strdup(n); +} + + +unsigned int +PrintPDF::text(Inkscape::Extension::Print *mod, char const *text, NR::Point p, + SPStyle const *const style) +{ + if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned. + if (_bitmap) return 0; + + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + return 0; + + // Escape chars + Inkscape::SVGOStringStream escaped_text; + escaped_text.setf(std::ios::fixed); + + escaped_text << std::oct; + for (gchar const *p_text = text ; *p_text ; p_text = g_utf8_next_char(p_text)) { + gunichar const c = g_utf8_get_char(p_text); + if (c == '\\' || c == ')' || c == '(') + escaped_text << '\\' << static_cast(c); + else if (c >= 0x80) + escaped_text << '\\' << c; + else + escaped_text << static_cast(c); + } + + os << "gsave\n"; + + // set font + char const *fn = PSFontName(style); + if (_latin1_encoded_fonts.find(fn) == _latin1_encoded_fonts.end()) { + if (!_newlatin1font_proc_defined) { + // input: newfontname, existingfontname + // output: new font object, also defined to newfontname + os << "/newlatin1font " // name of the proc + "{findfont dup length dict copy " // load the font and create a copy of it + "dup /Encoding ISOLatin1Encoding put " // change the encoding in the copy + "definefont} def\n"; // create the new font and leave it on the stack, define the proc + _newlatin1font_proc_defined = true; + } + os << "/" << fn << "-ISOLatin1 /" << fn << " newlatin1font\n"; + _latin1_encoded_fonts.insert(fn); + } else + os << "/" << fn << "-ISOLatin1 findfont\n"; + os << style->font_size.computed << " scalefont\n"; + os << "setfont\n"; + g_free((void *) fn); + + if ( style->fill.type == SP_PAINT_TYPE_COLOR + || ( style->fill.type == SP_PAINT_TYPE_PAINTSERVER + && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) ) + { + // set fill style + print_fill_style(os, style, NULL); + // FIXME: we don't know the pbox of text, so have to pass NULL. This means gradients with + // bbox units won't work with text. However userspace gradients don't work with text either + // (text is black) for some reason. + + os << "newpath\n"; + os << p[NR::X] << " " << p[NR::Y] << " moveto\n"; + os << "(" << escaped_text.str() << ") show\n"; + } + + if (style->stroke.type == SP_PAINT_TYPE_COLOR) { + + // set stroke style + print_stroke_style(os, style); + + // paint stroke + os << "newpath\n"; + os << p[NR::X] << " " << p[NR::Y] << " moveto\n"; + os << "(" << escaped_text.str() << ") false charpath stroke\n"; + } + + os << "grestore\n"; + + fprintf(_stream, "%s", os.str().c_str()); + + return 0; +} + + + +/* PDF helpers */ + +void +PrintPDF::print_bpath(SVGOStringStream &os, NArtBpath const *bp) +{ + bool closed = false; + while (bp->code != NR_END) { + switch (bp->code) { + case NR_MOVETO: + if (closed) { + *page_stream << "h\n"; + } + closed = true; + *page_stream << bp->x3 << " " << bp->y3 << " m\n"; + break; + case NR_MOVETO_OPEN: + if (closed) { + *page_stream << "h\n"; + } + closed = false; + *page_stream << bp->x3 << " " << bp->y3 << " m\n"; + break; + case NR_LINETO: + *page_stream << bp->x3 << " " << bp->y3 << " l\n"; + break; + case NR_CURVETO: + *page_stream << bp->x1 << " " << bp->y1 << " " + << bp->x2 << " " << bp->y2 << " " + << bp->x3 << " " << bp->y3 << " c\n"; + break; + default: + break; + } + bp += 1; + } + if (closed) { + *page_stream << "h\n"; + } +} + +/* The following code is licensed under GNU GPL. +** The packbits, ascii85 and imaging printing code +** is from the gimp's postscript.c. +*/ + +/** +* \param nin Number of bytes of source data. +* \param src Source data. +* \param nout Number of output bytes. +* \param dst Buffer for output. +*/ +void +PrintPDF::compress_packbits(int nin, + guchar *src, + int *nout, + guchar *dst) + +{ + register guchar c; + int nrepeat, nliteral; + guchar *run_start; + guchar *start_dst = dst; + guchar *last_literal = NULL; + + for (;;) { + if (nin <= 0) break; + + run_start = src; + c = *run_start; + + /* Search repeat bytes */ + if ((nin > 1) && (c == src[1])) { + nrepeat = 1; + nin -= 2; + src += 2; + while ((nin > 0) && (c == *src)) { + nrepeat++; + src++; + nin--; + if (nrepeat == 127) break; /* Maximum repeat */ + } + + /* Add two-byte repeat to last literal run ? */ + if ( (nrepeat == 1) + && (last_literal != NULL) && (((*last_literal)+1)+2 <= 128) ) + { + *last_literal += 2; + *(dst++) = c; + *(dst++) = c; + continue; + } + + /* Add repeat run */ + *(dst++) = (guchar)((-nrepeat) & 0xff); + *(dst++) = c; + last_literal = NULL; + continue; + } + /* Search literal bytes */ + nliteral = 1; + nin--; + src++; + + for (;;) { + if (nin <= 0) break; + + if ((nin >= 2) && (src[0] == src[1])) /* A two byte repeat ? */ + break; + + nliteral++; + nin--; + src++; + if (nliteral == 128) break; /* Maximum literal run */ + } + + /* Could be added to last literal run ? */ + if ((last_literal != NULL) && (((*last_literal)+1)+nliteral <= 128)) { + *last_literal += nliteral; + } else { + last_literal = dst; + *(dst++) = (guchar)(nliteral-1); + } + while (nliteral-- > 0) *(dst++) = *(run_start++); + } + *nout = dst - start_dst; +} + +void +PrintPDF::ascii85_init(void) +{ + ascii85_len = 0; + ascii85_linewidth = 0; +} + +void +PrintPDF::ascii85_flush(SVGOStringStream &os) +{ + char c[5]; + bool const zero_case = (ascii85_buf == 0); + static int const max_linewidth = 75; + + for (int i = 4; i >= 0; i--) { + c[i] = (ascii85_buf % 85) + '!'; + ascii85_buf /= 85; + } + /* check for special case: "!!!!!" becomes "z", but only if not + * at end of data. */ + if (zero_case && (ascii85_len == 4)) { + if (ascii85_linewidth >= max_linewidth) { + os << '\n'; + ascii85_linewidth = 0; + } + os << 'z'; + ascii85_linewidth++; + } else { + for (int i = 0; i < ascii85_len+1; i++) { + if ((ascii85_linewidth >= max_linewidth) && (c[i] != '%')) { + os << '\n'; + ascii85_linewidth = 0; + } + os << c[i]; + ascii85_linewidth++; + } + } + + ascii85_len = 0; + ascii85_buf = 0; +} + +inline void +PrintPDF::ascii85_out(guchar byte, SVGOStringStream &os) +{ + if (ascii85_len == 4) + ascii85_flush(os); + + ascii85_buf <<= 8; + ascii85_buf |= byte; + ascii85_len++; +} + +void +PrintPDF::ascii85_nout(int n, guchar *uptr, SVGOStringStream &os) +{ + while (n-- > 0) { + ascii85_out(*uptr, os); + uptr++; + } +} + +void +PrintPDF::ascii85_done(SVGOStringStream &os) +{ + if (ascii85_len) { + /* zero any unfilled buffer portion, then flush */ + ascii85_buf <<= (8 * (4-ascii85_len)); + ascii85_flush(os); + } + + os << "~>\n"; +} + +unsigned int +PrintPDF::print_image(FILE *ofp, guchar *px, unsigned int width, unsigned int height, unsigned int rs, + NRMatrix const *transform) +{ + Inkscape::SVGOStringStream os; + os.setf(std::ios::fixed); + + return 0; + + os << "gsave\n"; + os << "[" << transform->c[0] << " " + << transform->c[1] << " " + << transform->c[2] << " " + << transform->c[3] << " " + << transform->c[4] << " " + << transform->c[5] << "] concat\n"; + os << width << " " << height << " 8 [" + << width << " 0 0 -" << height << " 0 " << height << "]\n"; + + + /* Write read image procedure */ + os << "% Strings to hold RGB-samples per scanline\n"; + os << "/rstr " << width << " string def\n"; + os << "/gstr " << width << " string def\n"; + os << "/bstr " << width << " string def\n"; + os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter rstr readstring pop}\n"; + os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter gstr readstring pop}\n"; + os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter bstr readstring pop}\n"; + os << "true 3\n"; + + /* Allocate buffer for packbits data. Worst case: Less than 1% increase */ + guchar *const packb = (guchar *)g_malloc((width * 105)/100+2); + guchar *const plane = (guchar *)g_malloc(width); + + /* ps_begin_data(ofp); */ + os << "colorimage\n"; + +/*#define GET_RGB_TILE(begin) \ + * {int scan_lines; \ + * scan_lines = (i+tile_height-1 < height) ? tile_height : (height-i); \ + * gimp_pixel_rgn_get_rect(&pixel_rgn, begin, 0, i, width, scan_lines); \ + * src = begin; } + */ + + for (unsigned i = 0; i < height; i++) { + /* if ((i % tile_height) == 0) GET_RGB_TILE(data); */ /* Get more data */ + guchar const *const src = px + i * rs; + + /* Iterate over RGB */ + for (int rgb = 0; rgb < 3; rgb++) { + guchar const *src_ptr = src + rgb; + guchar *plane_ptr = plane; + for (unsigned j = 0; j < width; j++) { + *(plane_ptr++) = *src_ptr; + src_ptr += 4; + } + + int nout; + compress_packbits(width, plane, &nout, packb); + + ascii85_init(); + ascii85_nout(nout, packb, os); + ascii85_out(128, os); /* Write EOD of RunLengthDecode filter */ + ascii85_done(os); + } + } + /* ps_end_data(ofp); */ + +#if 0 + fprintf(ofp, "showpage\n"); + g_free(data); +#endif + + g_free(packb); + g_free(plane); + +#if 0 + if (ferror(ofp)) { + g_message(_("write error occurred")); + return (FALSE); + } +#endif + + os << "grestore\n"; + + fprintf(ofp, "%s", os.str().c_str()); + + return 0; +//#undef GET_RGB_TILE +} + +bool +PrintPDF::textToPath(Inkscape::Extension::Print * ext) +{ + return ext->get_param_bool("textToPath"); +} + +#include "clear-n_.h" + +void +PrintPDF::init(void) +{ + /* SVG in */ + (void) Inkscape::Extension::build_from_mem( + "\n" + "" N_("PDF Print") "\n" + "" SP_MODULE_KEY_PRINT_PDF "\n" + "FALSE\n" + "72\n" + "| lp\n" + "TRUE\n" + "TRUE\n" + "\n" + "", new PrintPDF()); +} + + +} /* namespace Internal */ +} /* namespace Extension */ +} /* namespace Inkscape */ + +/* End of GNU GPL code */ + + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : diff --git a/src/extension/internal/pdf.h b/src/extension/internal/pdf.h new file mode 100644 index 000000000..0273f9835 --- /dev/null +++ b/src/extension/internal/pdf.h @@ -0,0 +1,113 @@ +#ifndef EXTENSION_INTERNAL_PDF_H_SEEN +#define EXTENSION_INTERNAL_PDF_H_SEEN + +/* + * Authors: + * Lauris Kaplinski + * Ted Gould + * Ulf Erikson + * + * Lauris' original code is in the public domain. + * Ted's changes are licensed under the GNU GPL. + */ + +#include +#include "extension/extension.h" +#include "extension/implementation/implementation.h" +#include +#include + +#include "libnr/nr-path.h" + +#include "svg/stringstream.h" + +class PdfFile; +class PdfObject; + +namespace Inkscape { +namespace Extension { +namespace Internal { + +class PrintPDF : public Inkscape::Extension::Implementation::Implementation { + float _width; + float _height; + FILE *_stream; + PdfFile *pdf_file; + PdfObject *doc_info; + PdfObject *page_stream; + unsigned short _dpi; + bool _bitmap; + std::set _latin1_encoded_fonts; + bool _newlatin1font_proc_defined; + + void print_bpath(SVGOStringStream &os, NArtBpath const *bp); + + void print_fill_style(SVGOStringStream &os, SPStyle const *style, NRRect const *pbox); + void print_fill_alpha(SVGOStringStream &os, SPStyle const *style, NRRect const *pbox); + void print_stroke_style(SVGOStringStream &os, SPStyle const *style); + + char const *PSFontName(SPStyle const *style); + + unsigned int print_image(FILE *ofp, guchar *px, unsigned int width, unsigned int height, unsigned int rs, + NRMatrix const *transform); + void compress_packbits(int nin, guchar *src, int *nout, guchar *dst); + + /* ASCII 85 variables */ + guint32 ascii85_buf; + int ascii85_len; + int ascii85_linewidth; + /* ASCII 85 Functions */ + void ascii85_init(void); + void ascii85_flush(SVGOStringStream &os); + inline void ascii85_out(guchar byte, SVGOStringStream &os); + void ascii85_nout(int n, guchar *uptr, SVGOStringStream &os); + void ascii85_done(SVGOStringStream &os); + + +public: + PrintPDF(void); + virtual ~PrintPDF(void); + + /* Print functions */ + virtual unsigned int setup(Inkscape::Extension::Print *module); + /* + virtual unsigned int set_preview(Inkscape::Extension::Print *module); + */ + + virtual unsigned int begin(Inkscape::Extension::Print *module, SPDocument *doc); + virtual unsigned int finish(Inkscape::Extension::Print *module); + + /* Rendering methods */ + virtual unsigned int bind(Inkscape::Extension::Print *module, NRMatrix const *transform, float opacity); + virtual unsigned int release(Inkscape::Extension::Print *module); + virtual unsigned int comment(Inkscape::Extension::Print *module, char const *comment); + virtual unsigned int fill(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *ctm, SPStyle const *style, + NRRect const *pbox, NRRect const *dbox, NRRect const *bbox); + virtual unsigned int stroke(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *transform, SPStyle const *style, + NRRect const *pbox, NRRect const *dbox, NRRect const *bbox); + virtual unsigned int image(Inkscape::Extension::Print *module, unsigned char *px, unsigned int w, unsigned int h, unsigned int rs, + NRMatrix const *transform, SPStyle const *style); + virtual unsigned int text(Inkscape::Extension::Print *module, char const *text, + NR::Point p, SPStyle const *style); + + bool textToPath(Inkscape::Extension::Print *ext); + static void init(void); +}; + +} /* namespace Internal */ +} /* namespace Extension */ +} /* namespace Inkscape */ + + +#endif /* !EXTENSION_INTERNAL_PDF_H_SEEN */ + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : diff --git a/src/svg/stringstream.cpp b/src/svg/stringstream.cpp index 3cbfcd86b..5ef5c2ec0 100644 --- a/src/svg/stringstream.cpp +++ b/src/svg/stringstream.cpp @@ -28,7 +28,7 @@ operator<<(Inkscape::SVGOStringStream &os, float d) std::ostringstream s; s.imbue(std::locale::classic()); - s.setf(std::ios::showpoint); + s.flags(os.setf(std::ios::showpoint)); s.precision(os.precision()); s << d; os << strip_trailing_zeros(s.str()); @@ -49,7 +49,7 @@ operator<<(Inkscape::SVGOStringStream &os, double d) std::ostringstream s; s.imbue(std::locale::classic()); - s.setf(std::ios::showpoint); + s.flags(os.setf(std::ios::showpoint)); s.precision(os.precision()); s << d; os << strip_trailing_zeros(s.str()); diff --git a/src/svg/stringstream.h b/src/svg/stringstream.h index 34cbdc2bd..b08a89e03 100644 --- a/src/svg/stringstream.h +++ b/src/svg/stringstream.h @@ -53,6 +53,18 @@ public: std::streamsize precision(std::streamsize p) { return ostr.precision(p); } + + std::ios::fmtflags setf(std::ios::fmtflags fmtfl) { + return ostr.setf(fmtfl); + } + + std::ios::fmtflags setf(std::ios::fmtflags fmtfl, std::ios::fmtflags mask) { + return ostr.setf(fmtfl, mask); + } + + void unsetf(std::ios::fmtflags mask) { + ostr.unsetf(mask); + } }; }