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-rw-r--r--src/svg/qsvgstructure.cpp383
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diff --git a/src/svg/qsvgstructure.cpp b/src/svg/qsvgstructure.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSvg module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsvgstructure_p.h"
+
+#ifndef QT_NO_SVG
+
+#include "qsvgnode_p.h"
+#include "qsvgstyle_p.h"
+#include "qsvgtinydocument_p.h"
+
+#include "qpainter.h"
+#include "qlocale.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+QSvgG::QSvgG(QSvgNode *parent)
+ : QSvgStructureNode(parent)
+{
+
+}
+
+QSvgStructureNode::~QSvgStructureNode()
+{
+ qDeleteAll(m_renderers);
+}
+
+void QSvgG::draw(QPainter *p, QSvgExtraStates &states)
+{
+ QList<QSvgNode*>::iterator itr = m_renderers.begin();
+ applyStyle(p, states);
+
+ while (itr != m_renderers.end()) {
+ QSvgNode *node = *itr;
+ if ((node->isVisible()) && (node->displayMode() != QSvgNode::NoneMode))
+ node->draw(p, states);
+ ++itr;
+ }
+ revertStyle(p, states);
+}
+
+QSvgNode::Type QSvgG::type() const
+{
+ return G;
+}
+
+QSvgStructureNode::QSvgStructureNode(QSvgNode *parent)
+ :QSvgNode(parent)
+{
+
+}
+
+QSvgNode * QSvgStructureNode::scopeNode(const QString &id) const
+{
+ QSvgTinyDocument *doc = document();
+ return doc ? doc->namedNode(id) : 0;
+}
+
+void QSvgStructureNode::addChild(QSvgNode *child, const QString &id)
+{
+ m_renderers.append(child);
+
+ if (id.isEmpty())
+ return; //we can't add it to scope without id
+
+ QSvgTinyDocument *doc = document();
+ if (doc)
+ doc->addNamedNode(id, child);
+}
+
+QSvgDefs::QSvgDefs(QSvgNode *parent)
+ : QSvgStructureNode(parent)
+{
+}
+
+void QSvgDefs::draw(QPainter *, QSvgExtraStates &)
+{
+ //noop
+}
+
+QSvgNode::Type QSvgDefs::type() const
+{
+ return DEFS;
+}
+
+/*
+ Below is a lookup function based on the gperf output using the following set:
+
+ http://www.w3.org/Graphics/SVG/feature/1.2/#SVG
+ http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static
+ http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Structure
+ http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing
+ http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Image
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Shape
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Text
+ http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient
+ http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor
+ http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Font
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking
+ http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility
+*/
+
+// ----- begin of generated code -----
+
+/* C code produced by gperf version 3.0.2 */
+/* Command-line: gperf -c -L c svg */
+/* Computed positions: -k'45-46' */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+ && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+ && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+ && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+ && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+ && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+ && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+ && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+ && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+ && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+ && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+ && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+ && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+ && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+ && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+ && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+ && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+ && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+ && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+ && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+ && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+ && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+ && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646. */
+#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
+#endif
+
+enum {
+ TOTAL_KEYWORDS = 20,
+ MIN_WORD_LENGTH = 47,
+ MAX_WORD_LENGTH = 78,
+ MIN_HASH_VALUE = 48,
+ MAX_HASH_VALUE = 88
+};
+/* maximum key range = 41, duplicates = 0 */
+
+inline static bool isSupportedSvgFeature(const QString &str)
+{
+ static const unsigned char asso_values[] = {
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 0, 89, 5,
+ 15, 5, 0, 10, 89, 89, 89, 89, 89, 0,
+ 15, 89, 89, 0, 0, 89, 5, 89, 0, 89,
+ 89, 89, 89, 89, 89, 89, 89, 0, 89, 89,
+ 89, 0, 89, 89, 0, 89, 89, 89, 0, 5,
+ 89, 0, 0, 89, 5, 89, 0, 89, 89, 89,
+ 5, 0, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
+ 89, 89, 89, 89, 89, 89
+ };
+
+ static const char * wordlist[] = {
+ "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "",
+ "", "", "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Text",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Shape",
+ "", "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Structure",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor",
+ "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute",
+ "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Font",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Image",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing",
+ "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility",
+ "", "", "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute",
+ "", "", "", "", "", "", "", "", "",
+ "", "", "", "",
+ "http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute"
+ };
+
+ if (str.length() <= MAX_WORD_LENGTH && str.length() >= MIN_WORD_LENGTH) {
+ const int key = str.length()
+ + asso_values[str.at(45).unicode()]
+ + asso_values[str.at(44).unicode()];
+ if (key <= MAX_HASH_VALUE && key >= 0)
+ return str == QLatin1String(wordlist[key]);
+ }
+ return false;
+}
+
+// ----- end of generated code -----
+
+static inline bool isSupportedSvgExtension(const QString &)
+{
+ return false;
+}
+
+
+QSvgSwitch::QSvgSwitch(QSvgNode *parent)
+ : QSvgStructureNode(parent)
+{
+ init();
+}
+
+void QSvgSwitch::draw(QPainter *p, QSvgExtraStates &states)
+{
+ QList<QSvgNode*>::iterator itr = m_renderers.begin();
+ applyStyle(p, states);
+
+ while (itr != m_renderers.end()) {
+ QSvgNode *node = *itr;
+ if (node->isVisible() && (node->displayMode() != QSvgNode::NoneMode)) {
+ const QStringList &features = node->requiredFeatures();
+ const QStringList &extensions = node->requiredExtensions();
+ const QStringList &languages = node->requiredLanguages();
+ const QStringList &formats = node->requiredFormats();
+ const QStringList &fonts = node->requiredFonts();
+
+ bool okToRender = true;
+ if (!features.isEmpty()) {
+ QStringList::const_iterator sitr = features.constBegin();
+ for (; sitr != features.constEnd(); ++sitr) {
+ if (!isSupportedSvgFeature(*sitr)) {
+ okToRender = false;
+ break;
+ }
+ }
+ }
+
+ if (okToRender && !extensions.isEmpty()) {
+ QStringList::const_iterator sitr = extensions.constBegin();
+ for (; sitr != extensions.constEnd(); ++sitr) {
+ if (!isSupportedSvgExtension(*sitr)) {
+ okToRender = false;
+ break;
+ }
+ }
+ }
+
+ if (okToRender && !languages.isEmpty()) {
+ QStringList::const_iterator sitr = languages.constBegin();
+ okToRender = false;
+ for (; sitr != languages.constEnd(); ++sitr) {
+ if ((*sitr).startsWith(m_systemLanguagePrefix)) {
+ okToRender = true;
+ break;
+ }
+ }
+ }
+
+ if (okToRender && !formats.isEmpty()) {
+ okToRender = false;
+ }
+
+ if (okToRender && !fonts.isEmpty()) {
+ okToRender = false;
+ }
+
+ if (okToRender) {
+ node->draw(p, states);
+ break;
+ }
+ }
+ ++itr;
+ }
+ revertStyle(p, states);
+}
+
+QSvgNode::Type QSvgSwitch::type() const
+{
+ return SWITCH;
+}
+
+void QSvgSwitch::init()
+{
+ QLocale locale;
+ m_systemLanguage = locale.name().replace(QLatin1Char('_'), QLatin1Char('-'));
+ int idx = m_systemLanguage.indexOf(QLatin1Char('-'));
+ m_systemLanguagePrefix = m_systemLanguage.mid(0, idx);
+}
+
+QRectF QSvgStructureNode::bounds(QPainter *p, QSvgExtraStates &states) const
+{
+ QRectF bounds;
+ foreach(QSvgNode *node, m_renderers)
+ bounds |= node->transformedBounds(p, states);
+ return bounds;
+}
+
+QSvgNode * QSvgStructureNode::previousSiblingNode(QSvgNode *n) const
+{
+ QSvgNode *prev = 0;
+ QList<QSvgNode*>::const_iterator itr = m_renderers.constBegin();
+ while (itr != m_renderers.constEnd()) {
+ QSvgNode *node = *itr;
+ if (node == n)
+ return prev;
+ prev = node;
+ }
+ return prev;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SVG
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