forked from KolibriOS/kolibrios
1211 lines
32 KiB
C
1211 lines
32 KiB
C
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2009 Chris Wilson
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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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 Chris Wilson.
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*
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* Contributor(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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/* This surface is intended to produce a verbose, hierarchical, DAG XML file
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* representing a single surface. It is intended to be used by debuggers,
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* such as cairo-sphinx, or by application test-suites that what a log of
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* operations.
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*/
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#include "cairoint.h"
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#include "cairo-xml.h"
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#include "cairo-clip-private.h"
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#include "cairo-device-private.h"
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#include "cairo-default-context-private.h"
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#include "cairo-image-surface-private.h"
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#include "cairo-error-private.h"
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#include "cairo-output-stream-private.h"
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#include "cairo-recording-surface-inline.h"
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#define static cairo_warn static
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typedef struct _cairo_xml_surface cairo_xml_surface_t;
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typedef struct _cairo_xml {
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cairo_device_t base;
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cairo_output_stream_t *stream;
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int indent;
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} cairo_xml_t;
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struct _cairo_xml_surface {
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cairo_surface_t base;
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double width, height;
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};
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slim_hidden_proto (cairo_xml_for_recording_surface);
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static const cairo_surface_backend_t _cairo_xml_surface_backend;
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static const char *
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_operator_to_string (cairo_operator_t op)
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{
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static const char *names[] = {
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"CLEAR", /* CAIRO_OPERATOR_CLEAR */
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"SOURCE", /* CAIRO_OPERATOR_SOURCE */
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"OVER", /* CAIRO_OPERATOR_OVER */
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"IN", /* CAIRO_OPERATOR_IN */
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"OUT", /* CAIRO_OPERATOR_OUT */
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"ATOP", /* CAIRO_OPERATOR_ATOP */
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"DEST", /* CAIRO_OPERATOR_DEST */
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"DEST_OVER", /* CAIRO_OPERATOR_DEST_OVER */
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"DEST_IN", /* CAIRO_OPERATOR_DEST_IN */
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"DEST_OUT", /* CAIRO_OPERATOR_DEST_OUT */
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"DEST_ATOP", /* CAIRO_OPERATOR_DEST_ATOP */
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"XOR", /* CAIRO_OPERATOR_XOR */
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"ADD", /* CAIRO_OPERATOR_ADD */
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"SATURATE", /* CAIRO_OPERATOR_SATURATE */
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"MULTIPLY", /* CAIRO_OPERATOR_MULTIPLY */
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"SCREEN", /* CAIRO_OPERATOR_SCREEN */
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"OVERLAY", /* CAIRO_OPERATOR_OVERLAY */
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"DARKEN", /* CAIRO_OPERATOR_DARKEN */
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"LIGHTEN", /* CAIRO_OPERATOR_LIGHTEN */
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"DODGE", /* CAIRO_OPERATOR_COLOR_DODGE */
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"BURN", /* CAIRO_OPERATOR_COLOR_BURN */
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"HARD_LIGHT", /* CAIRO_OPERATOR_HARD_LIGHT */
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"SOFT_LIGHT", /* CAIRO_OPERATOR_SOFT_LIGHT */
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"DIFFERENCE", /* CAIRO_OPERATOR_DIFFERENCE */
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"EXCLUSION", /* CAIRO_OPERATOR_EXCLUSION */
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"HSL_HUE", /* CAIRO_OPERATOR_HSL_HUE */
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"HSL_SATURATION", /* CAIRO_OPERATOR_HSL_SATURATION */
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"HSL_COLOR", /* CAIRO_OPERATOR_HSL_COLOR */
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"HSL_LUMINOSITY" /* CAIRO_OPERATOR_HSL_LUMINOSITY */
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};
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assert (op < ARRAY_LENGTH (names));
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return names[op];
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}
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static const char *
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_extend_to_string (cairo_extend_t extend)
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{
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static const char *names[] = {
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"EXTEND_NONE", /* CAIRO_EXTEND_NONE */
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"EXTEND_REPEAT", /* CAIRO_EXTEND_REPEAT */
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"EXTEND_REFLECT", /* CAIRO_EXTEND_REFLECT */
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"EXTEND_PAD" /* CAIRO_EXTEND_PAD */
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};
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assert (extend < ARRAY_LENGTH (names));
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return names[extend];
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}
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static const char *
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_filter_to_string (cairo_filter_t filter)
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{
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static const char *names[] = {
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"FILTER_FAST", /* CAIRO_FILTER_FAST */
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"FILTER_GOOD", /* CAIRO_FILTER_GOOD */
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"FILTER_BEST", /* CAIRO_FILTER_BEST */
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"FILTER_NEAREST", /* CAIRO_FILTER_NEAREST */
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"FILTER_BILINEAR", /* CAIRO_FILTER_BILINEAR */
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"FILTER_GAUSSIAN", /* CAIRO_FILTER_GAUSSIAN */
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};
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assert (filter < ARRAY_LENGTH (names));
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return names[filter];
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}
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static const char *
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_fill_rule_to_string (cairo_fill_rule_t rule)
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{
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static const char *names[] = {
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"WINDING", /* CAIRO_FILL_RULE_WINDING */
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"EVEN_ODD" /* CAIRO_FILL_RILE_EVEN_ODD */
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};
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assert (rule < ARRAY_LENGTH (names));
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return names[rule];
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}
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static const char *
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_antialias_to_string (cairo_antialias_t antialias)
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{
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static const char *names[] = {
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"DEFAULT", /* CAIRO_ANTIALIAS_DEFAULT */
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"NONE", /* CAIRO_ANTIALIAS_NONE */
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"GRAY", /* CAIRO_ANTIALIAS_GRAY */
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"SUBPIXEL", /* CAIRO_ANTIALIAS_SUBPIXEL */
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"FAST", /* CAIRO_ANTIALIAS_FAST */
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"GOOD", /* CAIRO_ANTIALIAS_GOOD */
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"BEST", /* CAIRO_ANTIALIAS_BEST */
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};
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assert (antialias < ARRAY_LENGTH (names));
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return names[antialias];
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}
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static const char *
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_line_cap_to_string (cairo_line_cap_t line_cap)
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{
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static const char *names[] = {
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"LINE_CAP_BUTT", /* CAIRO_LINE_CAP_BUTT */
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"LINE_CAP_ROUND", /* CAIRO_LINE_CAP_ROUND */
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"LINE_CAP_SQUARE" /* CAIRO_LINE_CAP_SQUARE */
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};
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assert (line_cap < ARRAY_LENGTH (names));
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return names[line_cap];
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}
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static const char *
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_line_join_to_string (cairo_line_join_t line_join)
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{
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static const char *names[] = {
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"LINE_JOIN_MITER", /* CAIRO_LINE_JOIN_MITER */
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"LINE_JOIN_ROUND", /* CAIRO_LINE_JOIN_ROUND */
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"LINE_JOIN_BEVEL", /* CAIRO_LINE_JOIN_BEVEL */
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};
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assert (line_join < ARRAY_LENGTH (names));
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return names[line_join];
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}
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static const char *
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_content_to_string (cairo_content_t content)
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{
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switch (content) {
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case CAIRO_CONTENT_ALPHA: return "ALPHA";
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case CAIRO_CONTENT_COLOR: return "COLOR";
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default:
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case CAIRO_CONTENT_COLOR_ALPHA: return "COLOR_ALPHA";
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}
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}
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static const char *
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_format_to_string (cairo_format_t format)
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{
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switch (format) {
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case CAIRO_FORMAT_ARGB32: return "ARGB32";
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case CAIRO_FORMAT_RGB30: return "RGB30";
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case CAIRO_FORMAT_RGB24: return "RGB24";
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case CAIRO_FORMAT_RGB16_565: return "RGB16_565";
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case CAIRO_FORMAT_A8: return "A8";
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case CAIRO_FORMAT_A1: return "A1";
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case CAIRO_FORMAT_INVALID: return "INVALID";
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}
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ASSERT_NOT_REACHED;
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return "INVALID";
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}
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static cairo_status_t
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_device_flush (void *abstract_device)
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{
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cairo_xml_t *xml = abstract_device;
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cairo_status_t status;
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status = _cairo_output_stream_flush (xml->stream);
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return status;
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}
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static void
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_device_destroy (void *abstract_device)
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{
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cairo_xml_t *xml = abstract_device;
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cairo_status_t status;
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status = _cairo_output_stream_destroy (xml->stream);
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free (xml);
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}
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static const cairo_device_backend_t _cairo_xml_device_backend = {
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CAIRO_DEVICE_TYPE_XML,
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NULL, NULL, /* lock, unlock */
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_device_flush,
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NULL, /* finish */
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_device_destroy
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};
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static cairo_device_t *
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_cairo_xml_create_internal (cairo_output_stream_t *stream)
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{
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cairo_xml_t *xml;
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xml = malloc (sizeof (cairo_xml_t));
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if (unlikely (xml == NULL))
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return _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
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memset (xml, 0, sizeof (cairo_xml_t));
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_cairo_device_init (&xml->base, &_cairo_xml_device_backend);
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xml->indent = 0;
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xml->stream = stream;
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return &xml->base;
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}
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static void
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_cairo_xml_indent (cairo_xml_t *xml, int indent)
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{
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xml->indent += indent;
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assert (xml->indent >= 0);
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}
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static void CAIRO_PRINTF_FORMAT (2, 3)
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_cairo_xml_printf (cairo_xml_t *xml, const char *fmt, ...)
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{
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va_list ap;
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char indent[80];
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int len;
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len = MIN (xml->indent, ARRAY_LENGTH (indent));
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memset (indent, ' ', len);
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_cairo_output_stream_write (xml->stream, indent, len);
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va_start (ap, fmt);
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_cairo_output_stream_vprintf (xml->stream, fmt, ap);
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va_end (ap);
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_cairo_output_stream_write (xml->stream, "\n", 1);
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}
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static void CAIRO_PRINTF_FORMAT (2, 3)
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_cairo_xml_printf_start (cairo_xml_t *xml, const char *fmt, ...)
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{
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char indent[80];
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int len;
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len = MIN (xml->indent, ARRAY_LENGTH (indent));
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memset (indent, ' ', len);
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_cairo_output_stream_write (xml->stream, indent, len);
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if (fmt != NULL) {
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va_list ap;
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va_start (ap, fmt);
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_cairo_output_stream_vprintf (xml->stream, fmt, ap);
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va_end (ap);
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}
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}
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static void CAIRO_PRINTF_FORMAT (2, 3)
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_cairo_xml_printf_continue (cairo_xml_t *xml, const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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_cairo_output_stream_vprintf (xml->stream, fmt, ap);
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va_end (ap);
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}
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static void CAIRO_PRINTF_FORMAT (2, 3)
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_cairo_xml_printf_end (cairo_xml_t *xml, const char *fmt, ...)
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{
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if (fmt != NULL) {
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va_list ap;
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va_start (ap, fmt);
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_cairo_output_stream_vprintf (xml->stream, fmt, ap);
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va_end (ap);
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}
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_cairo_output_stream_write (xml->stream, "\n", 1);
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}
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static cairo_surface_t *
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_cairo_xml_surface_create_similar (void *abstract_surface,
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cairo_content_t content,
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int width,
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int height)
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{
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cairo_rectangle_t extents;
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extents.x = extents.y = 0;
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extents.width = width;
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extents.height = height;
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return cairo_recording_surface_create (content, &extents);
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}
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static cairo_bool_t
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_cairo_xml_surface_get_extents (void *abstract_surface,
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cairo_rectangle_int_t *rectangle)
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{
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cairo_xml_surface_t *surface = abstract_surface;
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if (surface->width < 0 || surface->height < 0)
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return FALSE;
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rectangle->x = 0;
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rectangle->y = 0;
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rectangle->width = surface->width;
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rectangle->height = surface->height;
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return TRUE;
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}
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static cairo_status_t
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_cairo_xml_move_to (void *closure,
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const cairo_point_t *p1)
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{
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_cairo_xml_printf_continue (closure, " %f %f m",
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_cairo_fixed_to_double (p1->x),
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_cairo_fixed_to_double (p1->y));
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_status_t
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_cairo_xml_line_to (void *closure,
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const cairo_point_t *p1)
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{
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_cairo_xml_printf_continue (closure, " %f %f l",
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_cairo_fixed_to_double (p1->x),
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_cairo_fixed_to_double (p1->y));
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_status_t
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_cairo_xml_curve_to (void *closure,
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const cairo_point_t *p1,
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const cairo_point_t *p2,
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const cairo_point_t *p3)
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{
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_cairo_xml_printf_continue (closure, " %f %f %f %f %f %f c",
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_cairo_fixed_to_double (p1->x),
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_cairo_fixed_to_double (p1->y),
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_cairo_fixed_to_double (p2->x),
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_cairo_fixed_to_double (p2->y),
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_cairo_fixed_to_double (p3->x),
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_cairo_fixed_to_double (p3->y));
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_status_t
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_cairo_xml_close_path (void *closure)
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{
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_cairo_xml_printf_continue (closure, " h");
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return CAIRO_STATUS_SUCCESS;
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}
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static void
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_cairo_xml_emit_path (cairo_xml_t *xml,
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const cairo_path_fixed_t *path)
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{
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cairo_status_t status;
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_cairo_xml_printf_start (xml, "<path>");
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status = _cairo_path_fixed_interpret (path,
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_cairo_xml_move_to,
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_cairo_xml_line_to,
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_cairo_xml_curve_to,
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_cairo_xml_close_path,
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xml);
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assert (status == CAIRO_STATUS_SUCCESS);
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_cairo_xml_printf_end (xml, "</path>");
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}
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static void
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_cairo_xml_emit_string (cairo_xml_t *xml,
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const char *node,
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const char *data)
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{
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_cairo_xml_printf (xml, "<%s>%s</%s>", node, data, node);
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}
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static void
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_cairo_xml_emit_double (cairo_xml_t *xml,
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const char *node,
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double data)
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{
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_cairo_xml_printf (xml, "<%s>%f</%s>", node, data, node);
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}
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static cairo_xml_t *
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to_xml (cairo_xml_surface_t *surface)
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{
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return (cairo_xml_t *) surface->base.device;
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}
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static cairo_status_t
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_cairo_xml_surface_emit_clip_boxes (cairo_xml_surface_t *surface,
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cairo_clip_t *clip)
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{
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cairo_box_t *box;
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cairo_status_t status;
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cairo_xml_t *xml;
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int n;
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if (clip->num_boxes == 0)
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return CAIRO_STATUS_SUCCESS;
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/* skip the trivial clip covering the surface extents */
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if (surface->width >= 0 && surface->height >= 0 && clip->num_boxes == 1) {
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box = &clip->boxes[0];
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if (box->p1.x <= 0 && box->p1.y <= 0 &&
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box->p2.x - box->p1.x >= _cairo_fixed_from_double (surface->width) &&
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box->p2.y - box->p1.y >= _cairo_fixed_from_double (surface->height))
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{
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return CAIRO_STATUS_SUCCESS;
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}
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}
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xml = to_xml (surface);
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_cairo_xml_printf (xml, "<clip>");
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_cairo_xml_indent (xml, 2);
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_cairo_xml_printf (xml, "<path>");
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_cairo_xml_indent (xml, 2);
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for (n = 0; n < clip->num_boxes; n++) {
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box = &clip->boxes[n];
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_cairo_xml_printf_start (xml, "%f %f m",
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_cairo_fixed_to_double (box->p1.x),
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_cairo_fixed_to_double (box->p1.y));
|
|
_cairo_xml_printf_continue (xml, " %f %f l",
|
|
_cairo_fixed_to_double (box->p2.x),
|
|
_cairo_fixed_to_double (box->p1.y));
|
|
_cairo_xml_printf_continue (xml, " %f %f l",
|
|
_cairo_fixed_to_double (box->p2.x),
|
|
_cairo_fixed_to_double (box->p2.y));
|
|
_cairo_xml_printf_continue (xml, " %f %f l",
|
|
_cairo_fixed_to_double (box->p1.x),
|
|
_cairo_fixed_to_double (box->p2.y));
|
|
_cairo_xml_printf_end (xml, " h");
|
|
}
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</path>");
|
|
_cairo_xml_emit_double (xml, "tolerance", 1.0);
|
|
_cairo_xml_emit_string (xml, "antialias",
|
|
_antialias_to_string (CAIRO_ANTIALIAS_NONE));
|
|
_cairo_xml_emit_string (xml, "fill-rule",
|
|
_fill_rule_to_string (CAIRO_FILL_RULE_WINDING));
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</clip>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_surface_emit_clip_path (cairo_xml_surface_t *surface,
|
|
cairo_clip_path_t *clip_path)
|
|
{
|
|
cairo_box_t box;
|
|
cairo_status_t status;
|
|
cairo_xml_t *xml;
|
|
|
|
if (clip_path == NULL)
|
|
return CAIRO_STATUS_SUCCESS;
|
|
|
|
status = _cairo_xml_surface_emit_clip_path (surface, clip_path->prev);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
/* skip the trivial clip covering the surface extents */
|
|
if (surface->width >= 0 && surface->height >= 0 &&
|
|
_cairo_path_fixed_is_box (&clip_path->path, &box))
|
|
{
|
|
if (box.p1.x <= 0 && box.p1.y <= 0 &&
|
|
box.p2.x - box.p1.x >= _cairo_fixed_from_double (surface->width) &&
|
|
box.p2.y - box.p1.y >= _cairo_fixed_from_double (surface->height))
|
|
{
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
}
|
|
|
|
xml = to_xml (surface);
|
|
|
|
_cairo_xml_printf_start (xml, "<clip>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_path (xml, &clip_path->path);
|
|
_cairo_xml_emit_double (xml, "tolerance", clip_path->tolerance);
|
|
_cairo_xml_emit_string (xml, "antialias",
|
|
_antialias_to_string (clip_path->antialias));
|
|
_cairo_xml_emit_string (xml, "fill-rule",
|
|
_fill_rule_to_string (clip_path->fill_rule));
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf_end (xml, "</clip>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_surface_emit_clip (cairo_xml_surface_t *surface,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_status_t status;
|
|
|
|
if (clip == NULL)
|
|
return CAIRO_STATUS_SUCCESS;
|
|
|
|
status = _cairo_xml_surface_emit_clip_boxes (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
return _cairo_xml_surface_emit_clip_path (surface, clip->path);
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_solid (cairo_xml_t *xml,
|
|
const cairo_solid_pattern_t *solid)
|
|
{
|
|
_cairo_xml_printf (xml, "<solid>%f %f %f %f</solid>",
|
|
solid->color.red,
|
|
solid->color.green,
|
|
solid->color.blue,
|
|
solid->color.alpha);
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static void
|
|
_cairo_xml_emit_matrix (cairo_xml_t *xml,
|
|
const cairo_matrix_t *matrix)
|
|
{
|
|
if (! _cairo_matrix_is_identity (matrix)) {
|
|
_cairo_xml_printf (xml, "<matrix>%f %f %f %f %f %f</matrix>",
|
|
matrix->xx, matrix->yx,
|
|
matrix->xy, matrix->yy,
|
|
matrix->x0, matrix->y0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_cairo_xml_emit_gradient (cairo_xml_t *xml,
|
|
const cairo_gradient_pattern_t *gradient)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < gradient->n_stops; i++) {
|
|
_cairo_xml_printf (xml,
|
|
"<color-stop>%f %f %f %f %f</color-stop>",
|
|
gradient->stops[i].offset,
|
|
gradient->stops[i].color.red,
|
|
gradient->stops[i].color.green,
|
|
gradient->stops[i].color.blue,
|
|
gradient->stops[i].color.alpha);
|
|
}
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_linear (cairo_xml_t *xml,
|
|
const cairo_linear_pattern_t *linear)
|
|
{
|
|
_cairo_xml_printf (xml,
|
|
"<linear x1='%f' y1='%f' x2='%f' y2='%f'>",
|
|
linear->pd1.x, linear->pd1.y,
|
|
linear->pd2.x, linear->pd2.y);
|
|
_cairo_xml_indent (xml, 2);
|
|
_cairo_xml_emit_gradient (xml, &linear->base);
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</linear>");
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_radial (cairo_xml_t *xml,
|
|
const cairo_radial_pattern_t *radial)
|
|
{
|
|
_cairo_xml_printf (xml,
|
|
"<radial x1='%f' y1='%f' r1='%f' x2='%f' y2='%f' r2='%f'>",
|
|
radial->cd1.center.x, radial->cd1.center.y, radial->cd1.radius,
|
|
radial->cd2.center.x, radial->cd2.center.y, radial->cd2.radius);
|
|
_cairo_xml_indent (xml, 2);
|
|
_cairo_xml_emit_gradient (xml, &radial->base);
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</radial>");
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_write_func (void *closure, const unsigned char *data, unsigned len)
|
|
{
|
|
_cairo_output_stream_write (closure, data, len);
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_image (cairo_xml_t *xml,
|
|
cairo_image_surface_t *image)
|
|
{
|
|
cairo_output_stream_t *stream;
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf_start (xml,
|
|
"<image width='%d' height='%d' format='%s'>",
|
|
image->width, image->height,
|
|
_format_to_string (image->format));
|
|
|
|
stream = _cairo_base64_stream_create (xml->stream);
|
|
status = cairo_surface_write_to_png_stream (&image->base,
|
|
_write_func, stream);
|
|
assert (status == CAIRO_STATUS_SUCCESS);
|
|
status = _cairo_output_stream_destroy (stream);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
_cairo_xml_printf_end (xml, "</image>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_surface (cairo_xml_t *xml,
|
|
const cairo_surface_pattern_t *pattern)
|
|
{
|
|
cairo_surface_t *source = pattern->surface;
|
|
cairo_status_t status;
|
|
|
|
if (_cairo_surface_is_recording (source)) {
|
|
status = cairo_xml_for_recording_surface (&xml->base, source);
|
|
} else {
|
|
cairo_image_surface_t *image;
|
|
void *image_extra;
|
|
|
|
status = _cairo_surface_acquire_source_image (source,
|
|
&image, &image_extra);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_image (xml, image);
|
|
|
|
_cairo_surface_release_source_image (source, image, image_extra);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_pattern (cairo_xml_t *xml,
|
|
const char *source_or_mask,
|
|
const cairo_pattern_t *pattern)
|
|
{
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<%s-pattern>", source_or_mask);
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
switch (pattern->type) {
|
|
case CAIRO_PATTERN_TYPE_SOLID:
|
|
status = _cairo_xml_emit_solid (xml, (cairo_solid_pattern_t *) pattern);
|
|
break;
|
|
case CAIRO_PATTERN_TYPE_LINEAR:
|
|
status = _cairo_xml_emit_linear (xml, (cairo_linear_pattern_t *) pattern);
|
|
break;
|
|
case CAIRO_PATTERN_TYPE_RADIAL:
|
|
status = _cairo_xml_emit_radial (xml, (cairo_radial_pattern_t *) pattern);
|
|
break;
|
|
case CAIRO_PATTERN_TYPE_SURFACE:
|
|
status = _cairo_xml_emit_surface (xml, (cairo_surface_pattern_t *) pattern);
|
|
break;
|
|
default:
|
|
ASSERT_NOT_REACHED;
|
|
status = CAIRO_INT_STATUS_UNSUPPORTED;
|
|
break;
|
|
}
|
|
|
|
if (pattern->type != CAIRO_PATTERN_TYPE_SOLID) {
|
|
_cairo_xml_emit_matrix (xml, &pattern->matrix);
|
|
_cairo_xml_printf (xml,
|
|
"<extend>%s</extend>",
|
|
_extend_to_string (pattern->extend));
|
|
_cairo_xml_printf (xml,
|
|
"<filter>%s</filter>",
|
|
_filter_to_string (pattern->filter));
|
|
}
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</%s-pattern>", source_or_mask);
|
|
|
|
return status;
|
|
}
|
|
|
|
static cairo_int_status_t
|
|
_cairo_xml_surface_paint (void *abstract_surface,
|
|
cairo_operator_t op,
|
|
const cairo_pattern_t *source,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_xml_surface_t *surface = abstract_surface;
|
|
cairo_xml_t *xml = to_xml (surface);
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<paint>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
|
|
|
|
status = _cairo_xml_surface_emit_clip (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "source", source);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</paint>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_int_status_t
|
|
_cairo_xml_surface_mask (void *abstract_surface,
|
|
cairo_operator_t op,
|
|
const cairo_pattern_t *source,
|
|
const cairo_pattern_t *mask,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_xml_surface_t *surface = abstract_surface;
|
|
cairo_xml_t *xml = to_xml (surface);
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<mask>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
|
|
|
|
status = _cairo_xml_surface_emit_clip (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "source", source);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "mask", mask);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</mask>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_int_status_t
|
|
_cairo_xml_surface_stroke (void *abstract_surface,
|
|
cairo_operator_t op,
|
|
const cairo_pattern_t *source,
|
|
const cairo_path_fixed_t *path,
|
|
const cairo_stroke_style_t *style,
|
|
const cairo_matrix_t *ctm,
|
|
const cairo_matrix_t *ctm_inverse,
|
|
double tolerance,
|
|
cairo_antialias_t antialias,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_xml_surface_t *surface = abstract_surface;
|
|
cairo_xml_t *xml = to_xml (surface);
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<stroke>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
|
|
_cairo_xml_emit_double (xml, "line-width", style->line_width);
|
|
_cairo_xml_emit_double (xml, "miter-limit", style->miter_limit);
|
|
_cairo_xml_emit_string (xml, "line-cap", _line_cap_to_string (style->line_cap));
|
|
_cairo_xml_emit_string (xml, "line-join", _line_join_to_string (style->line_join));
|
|
|
|
status = _cairo_xml_surface_emit_clip (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "source", source);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
if (style->num_dashes) {
|
|
unsigned int i;
|
|
|
|
_cairo_xml_printf_start (xml, "<dash offset='%f'>",
|
|
style->dash_offset);
|
|
for (i = 0; i < style->num_dashes; i++)
|
|
_cairo_xml_printf_continue (xml, "%f ", style->dash[i]);
|
|
|
|
_cairo_xml_printf_end (xml, "</dash>");
|
|
}
|
|
|
|
_cairo_xml_emit_path (xml, path);
|
|
_cairo_xml_emit_double (xml, "tolerance", tolerance);
|
|
_cairo_xml_emit_string (xml, "antialias", _antialias_to_string (antialias));
|
|
|
|
_cairo_xml_emit_matrix (xml, ctm);
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</stroke>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_int_status_t
|
|
_cairo_xml_surface_fill (void *abstract_surface,
|
|
cairo_operator_t op,
|
|
const cairo_pattern_t *source,
|
|
const cairo_path_fixed_t*path,
|
|
cairo_fill_rule_t fill_rule,
|
|
double tolerance,
|
|
cairo_antialias_t antialias,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_xml_surface_t *surface = abstract_surface;
|
|
cairo_xml_t *xml = to_xml (surface);
|
|
cairo_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<fill>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
|
|
|
|
status = _cairo_xml_surface_emit_clip (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "source", source);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
_cairo_xml_emit_path (xml, path);
|
|
_cairo_xml_emit_double (xml, "tolerance", tolerance);
|
|
_cairo_xml_emit_string (xml, "antialias", _antialias_to_string (antialias));
|
|
_cairo_xml_emit_string (xml, "fill-rule", _fill_rule_to_string (fill_rule));
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</fill>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
#if CAIRO_HAS_FT_FONT
|
|
#include "cairo-ft-private.h"
|
|
static cairo_status_t
|
|
_cairo_xml_emit_type42_font (cairo_xml_t *xml,
|
|
cairo_scaled_font_t *scaled_font)
|
|
{
|
|
const cairo_scaled_font_backend_t *backend;
|
|
cairo_output_stream_t *base64_stream;
|
|
cairo_output_stream_t *zlib_stream;
|
|
cairo_status_t status, status2;
|
|
unsigned long size;
|
|
uint32_t len;
|
|
uint8_t *buf;
|
|
|
|
backend = scaled_font->backend;
|
|
if (backend->load_truetype_table == NULL)
|
|
return CAIRO_INT_STATUS_UNSUPPORTED;
|
|
|
|
size = 0;
|
|
status = backend->load_truetype_table (scaled_font, 0, 0, NULL, &size);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
buf = malloc (size);
|
|
if (unlikely (buf == NULL))
|
|
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
|
|
|
status = backend->load_truetype_table (scaled_font, 0, 0, buf, &size);
|
|
if (unlikely (status)) {
|
|
free (buf);
|
|
return status;
|
|
}
|
|
|
|
_cairo_xml_printf_start (xml, "<font type='42' flags='%d' index='0'>",
|
|
_cairo_ft_scaled_font_get_load_flags (scaled_font));
|
|
|
|
|
|
base64_stream = _cairo_base64_stream_create (xml->stream);
|
|
len = size;
|
|
_cairo_output_stream_write (base64_stream, &len, sizeof (len));
|
|
|
|
zlib_stream = _cairo_deflate_stream_create (base64_stream);
|
|
|
|
_cairo_output_stream_write (zlib_stream, buf, size);
|
|
free (buf);
|
|
|
|
status2 = _cairo_output_stream_destroy (zlib_stream);
|
|
if (status == CAIRO_STATUS_SUCCESS)
|
|
status = status2;
|
|
|
|
status2 = _cairo_output_stream_destroy (base64_stream);
|
|
if (status == CAIRO_STATUS_SUCCESS)
|
|
status = status2;
|
|
|
|
_cairo_xml_printf_end (xml, "</font>");
|
|
|
|
return status;
|
|
}
|
|
#else
|
|
static cairo_status_t
|
|
_cairo_xml_emit_type42_font (cairo_xml_t *xml,
|
|
cairo_scaled_font_t *scaled_font)
|
|
{
|
|
return CAIRO_INT_STATUS_UNSUPPORTED;
|
|
}
|
|
#endif
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_type3_font (cairo_xml_t *xml,
|
|
cairo_scaled_font_t *scaled_font,
|
|
cairo_glyph_t *glyphs,
|
|
int num_glyphs)
|
|
{
|
|
_cairo_xml_printf_start (xml, "<font type='3'>");
|
|
_cairo_xml_printf_end (xml, "</font>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static cairo_status_t
|
|
_cairo_xml_emit_scaled_font (cairo_xml_t *xml,
|
|
cairo_scaled_font_t *scaled_font,
|
|
cairo_glyph_t *glyphs,
|
|
int num_glyphs)
|
|
{
|
|
cairo_int_status_t status;
|
|
|
|
_cairo_xml_printf (xml, "<scaled-font>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
status = _cairo_xml_emit_type42_font (xml, scaled_font);
|
|
if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
|
|
status = _cairo_xml_emit_type3_font (xml, scaled_font,
|
|
glyphs, num_glyphs);
|
|
}
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "<scaled-font>");
|
|
|
|
return status;
|
|
}
|
|
|
|
static cairo_int_status_t
|
|
_cairo_xml_surface_glyphs (void *abstract_surface,
|
|
cairo_operator_t op,
|
|
const cairo_pattern_t *source,
|
|
cairo_glyph_t *glyphs,
|
|
int num_glyphs,
|
|
cairo_scaled_font_t *scaled_font,
|
|
const cairo_clip_t *clip)
|
|
{
|
|
cairo_xml_surface_t *surface = abstract_surface;
|
|
cairo_xml_t *xml = to_xml (surface);
|
|
cairo_status_t status;
|
|
int i;
|
|
|
|
_cairo_xml_printf (xml, "<glyphs>");
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
_cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
|
|
|
|
status = _cairo_xml_surface_emit_clip (surface, clip);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_pattern (xml, "source", source);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
status = _cairo_xml_emit_scaled_font (xml, scaled_font, glyphs, num_glyphs);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
for (i = 0; i < num_glyphs; i++) {
|
|
_cairo_xml_printf (xml, "<glyph index='%lu'>%f %f</glyph>",
|
|
glyphs[i].index,
|
|
glyphs[i].x,
|
|
glyphs[i].y);
|
|
}
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</glyphs>");
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static const cairo_surface_backend_t
|
|
_cairo_xml_surface_backend = {
|
|
CAIRO_SURFACE_TYPE_XML,
|
|
NULL,
|
|
|
|
_cairo_default_context_create,
|
|
|
|
_cairo_xml_surface_create_similar,
|
|
NULL, /* create_similar_image */
|
|
NULL, /* map_to_image */
|
|
NULL, /* unmap_image */
|
|
|
|
_cairo_surface_default_source,
|
|
NULL, /* acquire source image */
|
|
NULL, /* release source image */
|
|
NULL, /* snapshot */
|
|
|
|
NULL, /* copy page */
|
|
NULL, /* show page */
|
|
|
|
_cairo_xml_surface_get_extents,
|
|
NULL, /* get_font_options */
|
|
|
|
NULL, /* flush */
|
|
NULL, /* mark_dirty_rectangle */
|
|
|
|
_cairo_xml_surface_paint,
|
|
_cairo_xml_surface_mask,
|
|
_cairo_xml_surface_stroke,
|
|
_cairo_xml_surface_fill,
|
|
NULL, /* fill_stroke */
|
|
_cairo_xml_surface_glyphs,
|
|
};
|
|
|
|
static cairo_surface_t *
|
|
_cairo_xml_surface_create_internal (cairo_device_t *device,
|
|
cairo_content_t content,
|
|
double width,
|
|
double height)
|
|
{
|
|
cairo_xml_surface_t *surface;
|
|
|
|
surface = malloc (sizeof (cairo_xml_surface_t));
|
|
if (unlikely (surface == NULL))
|
|
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
|
|
|
|
_cairo_surface_init (&surface->base,
|
|
&_cairo_xml_surface_backend,
|
|
device,
|
|
content);
|
|
|
|
surface->width = width;
|
|
surface->height = height;
|
|
|
|
return &surface->base;
|
|
}
|
|
|
|
cairo_device_t *
|
|
cairo_xml_create (const char *filename)
|
|
{
|
|
cairo_output_stream_t *stream;
|
|
cairo_status_t status;
|
|
|
|
stream = _cairo_output_stream_create_for_filename (filename);
|
|
if ((status = _cairo_output_stream_get_status (stream)))
|
|
return _cairo_device_create_in_error (status);
|
|
|
|
return _cairo_xml_create_internal (stream);
|
|
}
|
|
|
|
cairo_device_t *
|
|
cairo_xml_create_for_stream (cairo_write_func_t write_func,
|
|
void *closure)
|
|
{
|
|
cairo_output_stream_t *stream;
|
|
cairo_status_t status;
|
|
|
|
stream = _cairo_output_stream_create (write_func, NULL, closure);
|
|
if ((status = _cairo_output_stream_get_status (stream)))
|
|
return _cairo_device_create_in_error (status);
|
|
|
|
return _cairo_xml_create_internal (stream);
|
|
}
|
|
|
|
cairo_surface_t *
|
|
cairo_xml_surface_create (cairo_device_t *device,
|
|
cairo_content_t content,
|
|
double width, double height)
|
|
{
|
|
if (unlikely (device->backend->type != CAIRO_DEVICE_TYPE_XML))
|
|
return _cairo_surface_create_in_error (CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
|
|
|
|
if (unlikely (device->status))
|
|
return _cairo_surface_create_in_error (device->status);
|
|
|
|
return _cairo_xml_surface_create_internal (device, content, width, height);
|
|
}
|
|
|
|
cairo_status_t
|
|
cairo_xml_for_recording_surface (cairo_device_t *device,
|
|
cairo_surface_t *recording_surface)
|
|
{
|
|
cairo_box_t bbox;
|
|
cairo_rectangle_int_t extents;
|
|
cairo_surface_t *surface;
|
|
cairo_xml_t *xml;
|
|
cairo_status_t status;
|
|
|
|
if (unlikely (device->status))
|
|
return device->status;
|
|
|
|
if (unlikely (recording_surface->status))
|
|
return recording_surface->status;
|
|
|
|
if (unlikely (device->backend->type != CAIRO_DEVICE_TYPE_XML))
|
|
return _cairo_error (CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
|
|
|
|
if (unlikely (! _cairo_surface_is_recording (recording_surface)))
|
|
return _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
|
|
|
|
status = _cairo_recording_surface_get_bbox ((cairo_recording_surface_t *) recording_surface,
|
|
&bbox, NULL);
|
|
if (unlikely (status))
|
|
return status;
|
|
|
|
_cairo_box_round_to_rectangle (&bbox, &extents);
|
|
surface = _cairo_xml_surface_create_internal (device,
|
|
recording_surface->content,
|
|
extents.width,
|
|
extents.height);
|
|
if (unlikely (surface->status))
|
|
return surface->status;
|
|
|
|
xml = (cairo_xml_t *) device;
|
|
|
|
_cairo_xml_printf (xml,
|
|
"<surface content='%s' width='%d' height='%d'>",
|
|
_content_to_string (recording_surface->content),
|
|
extents.width, extents.height);
|
|
_cairo_xml_indent (xml, 2);
|
|
|
|
cairo_surface_set_device_offset (surface, -extents.x, -extents.y);
|
|
status = _cairo_recording_surface_replay (recording_surface, surface);
|
|
cairo_surface_destroy (surface);
|
|
|
|
_cairo_xml_indent (xml, -2);
|
|
_cairo_xml_printf (xml, "</surface>");
|
|
|
|
return status;
|
|
}
|
|
slim_hidden_def (cairo_xml_for_recording_surface);
|