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/* This file is part of Libspectre.
*
* Copyright (C) 2007 Albert Astals Cid <aacid@kde.org>
* Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Libspectre is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* Libspectre is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef SPECTRE_DOCUMENT_H
#define SPECTRE_DOCUMENT_H
#include <libspectre/spectre-macros.h>
#include <libspectre/spectre-status.h>
#include <libspectre/spectre-page.h>
SPECTRE_BEGIN_DECLS
/*! This is the object that represents a PostScript document. */
typedef struct SpectreDocument SpectreDocument;
/*! Creates a document */
SpectreDocument *spectre_document_new (void);
/*! Loads a the given file into the document. This function can fail
@param document the document where the file will be loaded
@param filename the file to loa
@see spectre_document_status
*/
void spectre_document_load (SpectreDocument *document,
const char *filename);
/*! Returns the document status
@param document the document whose status will be returned
*/
SpectreStatus spectre_document_status (SpectreDocument *document);
/*! Frees the document
@param document the document that will be freed
*/
void spectre_document_free (SpectreDocument *document);
/*! Returns the number of pages of the document. This function can fail
@param document the document whose pages number will be returned
@see spectre_document_status
*/
unsigned int spectre_document_get_n_pages (SpectreDocument *document);
/*! Returns the orientation of the document. This function can fail
@param document the document whose orientation will be returned
@see spectre_document_status
*/
SpectreOrientation spectre_document_get_orientation (SpectreDocument *document);
/*! Returns the title of the document. It returns a null const char * if
the document specifies no title. This function can fail
@param document the document whose title will be returned
@see spectre_document_status
*/
const char *spectre_document_get_title (SpectreDocument *document);
/*! Returns the creator of the document. It returns a null const char * if
the document specifies no creator. This function can fail
@param document the document whose creator will be returned
@see spectre_document_status
*/
const char *spectre_document_get_creator (SpectreDocument *document);
/*! Returns the for of the document. It returns a null const char * if
the document specifies no for. This function can fail
@param document the document whose for will be returned
@see spectre_document_status
*/
const char *spectre_document_get_for (SpectreDocument *document);
/*! Returns the creation date of the document. The date is copied verbatim from
the document, so no format can be assumed on it. It returns a null const char * if
the document specifies no creation date. This function can fail
@param document the document whose creation date will be returned
@see spectre_document_status
*/
const char *spectre_document_get_creation_date (SpectreDocument *document);
/*! Returns the format of the document. This function can fail
@param document the document whose format will be returned
@see spectre_document_status
*/
const char *spectre_document_get_format (SpectreDocument *document);
/*! Returns if the document is a Encapsulated PostScript file. This function can fail
@param document the document to query
@see spectre_document_status
*/
int spectre_document_is_eps (SpectreDocument *document);
/*! Returns the PostScript language level of the document. It returns 0 if no
language level was defined on the file. This function can fail
@param document the document whose language level will be returned
@see spectre_document_status
*/
unsigned int spectre_document_get_language_level (SpectreDocument *document);
/*! Returns a page of the document. This function can fail
@param document the document whose page will be returned
@param page_index the page index to get. First page has index 0.
@see spectre_document_status
*/
SpectrePage *spectre_document_get_page (SpectreDocument *document,
unsigned int page_index);
/*! Returns a page of the document referenced by label. This function can fail
@param document the document whose page will be returned
@param label the label of the page to get.
@see spectre_document_status
*/
SpectrePage *spectre_document_get_page_by_label (SpectreDocument *document,
const char *label);
/*! Convenient function for rendering documents with no pages, tipically eps.
When used with multi-page documents the first page will be rendered.
@param document the document to render
@rc the rendering context specifying how the document has to be rendered
@width the page width will be returned here, or NULL
@height the page height will be returned here, or NULL
@page_data a pointer that will point to the image data
@row_length the length of an image row will be returned here
@see spectre_document_render_full
*/
void spectre_document_render_full (SpectreDocument *document,
SpectreRenderContext *rc,
unsigned char **page_data,
int *row_length);
/*! Convenient function for rendering documents with no pages, tipically eps.
Document will be rendered with the default options, use spectre_document_render_full
if you want to change any of them.
When used with multi-page documents the first page will be rendered.
@param document the document to render
@width the page width will be returned here, or NULL
@height the page height will be returned here, or NULL
@page_data a pointer that will point to the image data
@row_length the length of an image row will be returned here
@see spectre_document_render_full
*/
void spectre_document_render (SpectreDocument *document,
unsigned char **page_data,
int *row_length);
/* Convenient function for getting the page size of documents with no pages, tipically eps.
When used with multi-page documents the size of the first page will be returned.
@param document the document whose page will be returned
@width the page width will be returned here, or NULL
@height the page height will be returned here, or NULL
*/
void spectre_document_get_page_size (SpectreDocument *document,
int *width,
int *height);
/*! Save document as filename. This function can fail
@param document the document that will be saved
@param filename the path where document will be saved
@see spectre_document_status
*/
void spectre_document_save (SpectreDocument *document,
const char *filename);
/* Save document as a pdf document. This function can fail
@param document the document that will be saved
@param filename the path where document will be saved as pdf
@see spectre_document_status
*/
void spectre_document_save_to_pdf (SpectreDocument *document,
const char *filename);
SPECTRE_END_DECLS
#endif /* SPECTRE_DOCUMENT_H */
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