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179e339910
Some PDF viewers forget the CTM when drawing gradient patterns with SMasks. This patch works around these bugs by using the default identity matrix for the CTM. All paths are transformed from cairo to pdf coordinates before writing to the pdf file.
105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2004 Red Hat, Inc
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* Copyright © 2006 Red Hat, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is University of Southern
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* California.
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*
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* Contributor(s):
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* Kristian Høgsberg <krh@redhat.com>
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* Carl Worth <cworth@cworth.org>
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*/
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#ifndef CAIRO_PDF_SURFACE_PRIVATE_H
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#define CAIRO_PDF_SURFACE_PRIVATE_H
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#include "cairo-pdf.h"
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#include "cairo-surface-private.h"
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typedef struct _cairo_pdf_resource {
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unsigned int id;
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} cairo_pdf_resource_t;
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typedef struct _cairo_pdf_surface cairo_pdf_surface_t;
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struct _cairo_pdf_surface {
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cairo_surface_t base;
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/* Prefer the name "output" here to avoid confusion over the
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* structure within a PDF document known as a "stream". */
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cairo_output_stream_t *output;
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double width;
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double height;
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cairo_matrix_t cairo_to_pdf;
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cairo_array_t objects;
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cairo_array_t pages;
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cairo_array_t patterns;
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cairo_array_t xobjects;
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cairo_array_t streams;
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cairo_array_t alphas;
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cairo_array_t smasks;
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cairo_array_t rgb_linear_functions;
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cairo_array_t alpha_linear_functions;
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cairo_scaled_font_subsets_t *font_subsets;
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cairo_array_t fonts;
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cairo_pdf_resource_t next_available_resource;
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cairo_pdf_resource_t pages_resource;
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struct {
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cairo_bool_t active;
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cairo_pdf_resource_t self;
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cairo_pdf_resource_t length;
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long start_offset;
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cairo_bool_t compressed;
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cairo_output_stream_t *old_output;
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} current_stream;
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struct {
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cairo_pattern_type_t type;
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double red;
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double green;
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double blue;
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int alpha;
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cairo_pdf_resource_t smask;
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cairo_pdf_resource_t pattern;
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} emitted_pattern;
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cairo_bool_t has_clip;
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cairo_paginated_mode_t paginated_mode;
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cairo_bool_t force_fallbacks;
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};
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#endif /* CAIRO_PDF_SURFACE_PRIVATE_H */
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