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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 383 insertions, 0 deletions

diff --git a/src/svg/qsvgstructure.cpp b/src/svg/qsvgstructure.cpp
new file mode 100644
index 0000000..71fc8d2
--- /dev/null
+++ b/src/svg/qsvgstructure.cpp
@@ -0,0 +1,383 @@
+/****************************************************************************
+**
+** 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