qt5base-lts/util/s60theme/s60themeconvert.cpp
Jyri Tahtela f9f395c28b Update licenseheader text in source files for qtbase Qt module
Updated version of LGPL and FDL licenseheaders.
Apply release phase licenseheaders for all source files.

Reviewed-by: Trust Me
2011-05-24 12:34:08 +03:00

313 lines
11 KiB
C++

/****************************************************************************
**
** 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 tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "s60themeconvert.h"
#include <QtGui>
#include <QtWebKit>
static const int pictureSize = 256;
static const char* const msgPartNotInTdf = " Warning: The .tdf file does not have a part for ";
static const char* const msgSvgNotFound = " Fatal: Could not find part .svg ";
void dumpPartPictures(const QHash<QString, QPicture> &partPictures) {
foreach (const QString &partKey, partPictures.keys()) {
QPicture partPicture = partPictures.value(partKey);
qDebug() << partKey << partPicture.boundingRect();
QImage image(partPicture.boundingRect().size(), QImage::Format_ARGB32);
image.fill(Qt::transparent);
QPainter p(&image);
partPicture.play(&p);
image.save(partKey + QString::fromLatin1(".png"));
}
}
void dumpColors(const QHash<QPair<QString, int>, QColor> &colors) {
foreach (const QColor &color, colors.values()) {
const QPair<QString, int> key = colors.key(color);
qDebug() << key << color;
}
}
class WebKitSVGRenderer : public QWebView
{
Q_OBJECT
public:
WebKitSVGRenderer(QWidget *parent = 0);
QPicture svgToQPicture(const QString &svgFileName);
private slots:
void loadFinishedSlot(bool ok);
private:
QEventLoop m_loop;
QPicture m_result;
};
WebKitSVGRenderer::WebKitSVGRenderer(QWidget *parent)
: QWebView(parent)
{
connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinishedSlot(bool)));
setFixedSize(pictureSize, pictureSize);
QPalette pal = palette();
pal.setColor(QPalette::Base, Qt::transparent);
setPalette(pal);
}
QPicture WebKitSVGRenderer::svgToQPicture(const QString &svgFileName)
{
load(QUrl::fromLocalFile(svgFileName));
m_loop.exec();
return m_result;
}
void WebKitSVGRenderer::loadFinishedSlot(bool ok)
{
// crude error-checking
if (!ok)
qDebug() << "Failed loading " << qPrintable(url().toString());
page()->mainFrame()->evaluateJavaScript(QString::fromLatin1(
"document.rootElement.preserveAspectRatio.baseVal.align = SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_NONE;"
"document.rootElement.style.width = '100%';"
"document.rootElement.style.height = '100%';"
"document.rootElement.width.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"
"document.rootElement.height.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"
));
m_result = QPicture(); // "Clear"
QPainter p(&m_result);
page()->mainFrame()->render(&p);
p.end();
m_result.setBoundingRect(QRect(0, 0, pictureSize, pictureSize));
m_loop.exit();
}
QPair<QString, int> colorIdPair(const QString &colorID)
{
QPair<QString, int> result;
QString idText = colorID;
idText.remove(QRegExp(QString::fromLatin1("[0-9]")));
if (QS60Style::colorListKeys().contains(idText)) {
QString idNumber = colorID;
idNumber.remove(QRegExp(QString::fromLatin1("[a-zA-Z]")));
result.first = idText;
result.second = idNumber.toInt();
}
return result;
}
bool parseTdfFile(const QString &tdfFile,
QHash<QString, QString> &partSvgs,
QHash<QPair<QString, int>, QColor> &colors)
{
QFile file(tdfFile);
if (!file.open(QIODevice::ReadOnly))
return false;
const QLatin1String elementKey("element");
const QLatin1String partKey("part");
const QLatin1String elementIdKey("id");
const QLatin1String layerKey("layer");
const QLatin1String layerFileNameKey("filename");
const QLatin1String layerColourrgbKey("colourrgb");
const QString annoyingPrefix = QString::fromLatin1("S60_2_6%");
QXmlStreamReader reader(&file);
QString partId;
QPair<QString, int> colorId;
// Somebody with a sense of aesthetics may implement proper XML parsing, here.
while (!reader.atEnd()) {
const QXmlStreamReader::TokenType token = reader.readNext();
switch (token) {
case QXmlStreamReader::StartElement:
if (reader.name() == elementKey || reader.name() == partKey) {
QString id = reader.attributes().value(elementIdKey).toString();
if (QS60Style::partKeys().contains(id))
partId = id;
else if (!id.isEmpty() && id.at(id.length()-1).isDigit())
colorId = colorIdPair(id);
else if (QS60Style::partKeys().contains(id.mid(annoyingPrefix.length())))
partId = id.mid(annoyingPrefix.length());
} else if(reader.name() == layerKey) {
if (!partId.isEmpty()) {
const QString svgFile = reader.attributes().value(layerFileNameKey).toString();
partSvgs.insert(partId, svgFile);
partId.clear();
} else if (!colorId.first.isEmpty()) {
const QColor colorValue(reader.attributes().value(layerColourrgbKey).toString().toInt(NULL, 16));
colors.insert(colorId, colorValue);
colorId.first.clear();
}
}
break;
case QXmlStreamReader::EndElement:
if (reader.tokenString() == elementKey || reader.name() == partKey)
partId.clear();
break;
default:
break;
}
}
return true;
}
bool loadThemeFromTdf(const QString &tdfFile,
QHash<QString, QPicture> &partPictures,
QHash<QPair<QString, int>, QColor> &colors)
{
QHash<QString, QString> parsedPartSvgs;
QHash<QString, QPicture> parsedPartPictures;
QHash<QPair<QString, int>, QColor> parsedColors;
bool success = parseTdfFile(tdfFile, parsedPartSvgs, parsedColors);
if (!success)
return false;
const QString tdfBasePath = QFileInfo(tdfFile).absolutePath();
WebKitSVGRenderer renderer;
foreach (const QString &partKey, QS60Style::partKeys()) {
qDebug() << partKey;
QString tdfFullName;
if (parsedPartSvgs.contains(partKey)) {
tdfFullName = tdfBasePath + QDir::separator() + parsedPartSvgs.value(partKey);
} else {
qWarning() << msgPartNotInTdf << partKey;
tdfFullName = tdfBasePath + QDir::separator() + partKey + QLatin1String(".svg");
}
if (!QFile(tdfFullName).exists()) {
qWarning() << msgSvgNotFound << QDir::toNativeSeparators(tdfFullName);
return false;
}
const QPicture partPicture = renderer.svgToQPicture(tdfFullName);
parsedPartPictures.insert(partKey, partPicture);
}
// dumpPartPictures(parsedPartPictures);
// dumpColors(colors);
partPictures = parsedPartPictures;
colors = parsedColors;
return true;
}
bool S60ThemeConvert::convertTdfToBlob(const QString &themeTdf, const QString &themeBlob)
{
QHash<QString, QPicture> partPictures;
QHash<QPair<QString, int>, QColor> colors;
if (!::loadThemeFromTdf(themeTdf, partPictures, colors))
return false;
QS60Style style;
style.setS60Theme(partPictures, colors);
return style.saveS60ThemeToBlob(themeBlob);
}
bool parseDesignFile(const QString &designFile,
QHash<QPair<QString, int>, QColor> &colors)
{
const QLatin1String elementKey("element");
const QLatin1String elementIdKey("id");
const QLatin1String colorKey("defaultcolour_rgb");
QFile file(designFile);
if (!file.open(QIODevice::ReadOnly))
return false;
QXmlStreamReader reader(&file);
QPair<QString, int> colorId;
// Somebody with a sense of aesthetics may implement proper XML parsing, here.
while (!reader.atEnd()) {
const QXmlStreamReader::TokenType token = reader.readNext();
switch (token) {
case QXmlStreamReader::StartElement:
if (reader.name() == elementKey) {
const QString colorString = reader.attributes().value(colorKey).toString();
if (!colorString.isEmpty()) {
const QString colorId = reader.attributes().value(elementIdKey).toString();
colors.insert(colorIdPair(colorId), colorString.toInt(NULL, 16));
}
}
default:
break;
}
}
return true;
}
bool loadDefaultTheme(const QString &themePath,
QHash<QString, QPicture> &partPictures,
QHash<QPair<QString, int>, QColor> &colors)
{
const QDir dir(themePath);
if (!dir.exists())
return false;
if (!parseDesignFile(themePath + QDir::separator() + QString::fromLatin1("defaultdesign.xml"), colors))
return false;
WebKitSVGRenderer renderer;
foreach (const QString &partKey, QS60Style::partKeys()) {
const QString partFileName = partKey + QLatin1String(".svg");
const QString partFile(dir.absolutePath() + QDir::separator() + partFileName);
if (!QFile::exists(partFile)) {
qWarning() << msgSvgNotFound << partFileName;
return false;
}
const QPicture partPicture = renderer.svgToQPicture(partFile);
partPictures.insert(partKey, partPicture);
}
return true;
}
bool S60ThemeConvert::convertDefaultThemeToBlob(const QString &themePath, const QString &themeBlob)
{
QHash<QString, QPicture> partPictures;
QHash<QPair<QString, int>, QColor> colors;
if (!::loadDefaultTheme(themePath, partPictures, colors))
return false;
QS60Style style;
style.setS60Theme(partPictures, colors);
return style.saveS60ThemeToBlob(themeBlob);
}
#include "s60themeconvert.moc"