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/*
* A quick hack to use the Cairo renderer to write out a file. This
* then makes 'save as...' PS.
*
* Authors:
* Ted Gould <ted@gould.cx>
* Ulf Erikson <ulferikson@users.sf.net>
* Adib Taraben <theAdib@yahoo.com>
*
* Copyright (C) 2004-2006 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_CAIRO_PDF
#include "cairo-ps-out.h"
#include "cairo-render-context.h"
#include "cairo-renderer.h"
#include <print.h>
#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 <libnr/n-art-bpath.h>
#include "display/curve.h"
#include "display/canvas-bpath.h"
#include "sp-item.h"
#include "style.h"
#include "sp-root.h"
#include "sp-shape.h"
#include "io/sys.h"
namespace Inkscape {
namespace Extension {
namespace Internal {
bool
CairoPsOutput::check (Inkscape::Extension::Extension * module)
{
if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PS))
return FALSE;
return TRUE;}
static bool
ps_print_document_to_file(SPDocument *doc, gchar const *filename, unsigned int level, bool texttopath, bool filtertobitmap, int resolution)
{
CairoRenderer *renderer;
CairoRenderContext *ctx;
sp_document_ensure_up_to_date(doc);
/* Start */
/* Create new arena */
SPItem *base = SP_ITEM(sp_document_root(doc));
NRArena *arena = NRArena::create();
unsigned dkey = sp_item_display_key_new(1);
NRArenaItem *root = sp_item_invoke_show(base, arena, dkey, SP_ITEM_SHOW_DISPLAY);
/* Create renderer and context */
renderer = new CairoRenderer();
ctx = renderer->createContext();
ctx->setPSLevel(level);
ctx->setTextToPath(texttopath);
ctx->setFilterToBitmap(filtertobitmap);
ctx->setBitmapResolution(resolution);
bool ret = ctx->setPsTarget(filename);
if(ret) {
/* Render document */
ret = renderer->setupDocument(ctx, doc);
if (ret) {
renderer->renderItem(ctx, base);
ret = ctx->finish();
}
}
renderer->destroyContext(ctx);
/* Release arena */
sp_item_invoke_hide(base, dkey);
nr_arena_item_unref(root);
nr_object_unref((NRObject *) arena);
/* end */
delete renderer;
return ret;
}
/**
\brief This function calls the output module with the filename
\param mod unused
\param doc Document to be saved
\param uri Filename to save to (probably will end in .ps)
*/
void
CairoPsOutput::save (Inkscape::Extension::Output *mod, SPDocument *doc, const gchar *uri)
{
Inkscape::Extension::Extension * ext;
unsigned int ret;
ext = Inkscape::Extension::db.get(SP_MODULE_KEY_PRINT_CAIRO_PS);
if (ext == NULL)
return;
const gchar *old_level = NULL;
const gchar *new_level = NULL;
int level = 1;
try {
old_level = ext->get_param_enum("PSlevel");
new_level = mod->get_param_enum("PSlevel");
if((new_level != NULL) && (g_ascii_strcasecmp("PS2", new_level) == 0))
level = 0;
// ext->set_param_enum("PSlevel", new_level);
}
catch(...) {
g_warning("Parameter <PSlevel> might not exists");
}
bool old_textToPath = FALSE;
bool new_textToPath = FALSE;
try {
old_textToPath = ext->get_param_bool("textToPath");
new_textToPath = mod->get_param_bool("textToPath");
ext->set_param_bool("textToPath", new_textToPath);
}
catch(...) {
g_warning("Parameter <textToPath> might not exists");
}
bool old_blurToBitmap = FALSE;
bool new_blurToBitmap = FALSE;
try {
old_blurToBitmap = ext->get_param_bool("blurToBitmap");
new_blurToBitmap = mod->get_param_bool("blurToBitmap");
ext->set_param_bool("blurToBitmap", new_blurToBitmap);
}
catch(...) {
g_warning("Parameter <blurToBitmap> might not exists");
}
int old_bitmapResolution = 72;
int new_bitmapResolution = 72;
try {
old_bitmapResolution = ext->get_param_int("resolution");
new_bitmapResolution = mod->get_param_int("resolution");
ext->set_param_int("resolution", new_bitmapResolution);
}
catch(...) {
g_warning("Parameter <resolution> might not exists");
}
gchar * final_name;
final_name = g_strdup_printf("> %s", uri);
ret = ps_print_document_to_file(doc, final_name, level, new_textToPath, new_blurToBitmap, new_bitmapResolution);
g_free(final_name);
try {
ext->set_param_int("resolution", old_bitmapResolution);
}
catch(...) {
g_warning("Parameter <resolution> might not exists");
}
try {
ext->set_param_bool("blurToBitmap", old_blurToBitmap);
}
catch(...) {
g_warning("Parameter <blurToBitmap> might not exists");
}
try {
ext->set_param_bool("textToPath", old_textToPath);
}
catch(...) {
g_warning("Parameter <textToPath> might not exists");
}
try {
// ext->set_param_enum("PSlevel", old_level);
}
catch(...) {
g_warning("Parameter <PSlevel> might not exists");
}
if (!ret)
throw Inkscape::Extension::Output::save_failed();
return;
}
bool
CairoPsOutput::textToPath(Inkscape::Extension::Print * ext)
{
return ext->get_param_bool("textToPath");
}
#include "clear-n_.h"
/**
\brief A function allocate a copy of this function.
This is the definition of Cairo PS out. This function just
calls the extension system with the memory allocated XML that
describes the data.
*/
void
CairoPsOutput::init (void)
{
Inkscape::Extension::build_from_mem(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("Cairo PS Output") "</name>\n"
"<id>" SP_MODULE_KEY_PRINT_CAIRO_PS "</id>\n"
"<param name=\"PSlevel\" gui-text=\"" N_("Restrict to PS level") "\" type=\"enum\" >\n"
"<_item value='PS3'>" N_("PostScript level 3") "</_item>\n"
#if (CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 5, 2))
"<_item value='PS2'>" N_("PostScript level 2") "</_item>\n"
#endif
"</param>\n"
"<param name=\"textToPath\" gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">false</param>\n"
"<param name=\"blurToBitmap\" gui-text=\"" N_("Convert blur effects to bitmaps") "\" type=\"boolean\">false</param>\n"
"<param name=\"resolution\" gui-text=\"" N_("Preferred resolution (DPI) of bitmaps") "\" type=\"int\" min=\"72\" max=\"2400\">90</param>\n"
"<output>\n"
"<extension>.ps</extension>\n"
"<mimetype>application/ps</mimetype>\n"
"<filetypename>" N_("PostScript via Cairo (*.ps)") "</filetypename>\n"
"<filetypetooltip>" N_("PostScript File") "</filetypetooltip>\n"
"</output>\n"
"</inkscape-extension>", new CairoPsOutput());
return;
}
} } } /* namespace Inkscape, Extension, Implementation */
#endif /* HAVE_CAIRO_PDF */
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