| 1 | #include <QtGui/QApplication>
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| 2 | #include <QtGui/QPainter>
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| 3 | #include <QtCore/QFile>
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| 4 | #include <QtCore/QString>
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| 5 | #include <QtCore/QUrl>
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| 6 | #include <QtWebKit/QWebPage>
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| 7 | #include <QtWebKit/QWebFrame>
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| 8 | #include <QtNetwork/QNetworkProxy>
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| 9 | #include <QtCore/QProcess>
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| 10 | #if QT_VERSION >= 0x040500
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| 11 | #include <QtGui/QDesktopServices>
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| 12 | #include <QtNetwork/QNetworkDiskCache>
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| 13 | #endif
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| 14 |
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| 15 | /* using mingw to set binary mode */
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| 16 | #ifdef WIN32
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| 17 | #include <io.h>
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| 18 | #include <fcntl.h>
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| 19 | #define BINARYSTDOUT setmode(fileno(stdout), O_BINARY);
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| 20 | #else
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| 21 | #define BINARYSTDOUT
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| 22 | #endif
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| 23 |
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| 24 | class Save : public QObject
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| 25 | {
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| 26 | Q_OBJECT
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| 27 | public:
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| 28 | Save(QWebPage *p) : page(p) {};
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| 29 |
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| 30 | public slots:
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| 31 | void loaded(bool ok)
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| 32 | {
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| 33 | if(ok)
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| 34 | {
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| 35 | page->setViewportSize(page->mainFrame()->contentsSize());
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| 36 | QImage im(page->viewportSize(), QImage::Format_ARGB32);
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| 37 | QPainter painter(&im);
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| 38 | page->mainFrame()->render(&painter);
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| 39 |
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| 40 | QFile f;
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| 41 | BINARYSTDOUT
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| 42 | if(f.open(stdout, QIODevice::WriteOnly|QIODevice::Unbuffered))
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| 43 | {
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| 44 | if(!im.save(&f, "JPEG"))
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| 45 | {
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| 46 | im.save(&f, "PNG");
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| 47 | }
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| 48 | }
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| 49 | }
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| 50 | emit finish();
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| 51 | }
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| 52 | signals:
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| 53 | void finish(void);
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| 54 |
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| 55 | private:
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| 56 | QWebPage * page;
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| 57 | };
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| 58 |
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| 59 | #include "webkit-image.h"
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| 60 |
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| 61 | int main(int argc, char **argv)
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| 62 | {
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| 63 | if(argc != 2)
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| 64 | return 20;
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| 65 | QString url = QString(argv[1]);
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| 66 |
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| 67 | QApplication a(argc, argv);
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| 68 | QWebPage * page = new QWebPage();
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| 69 | Save * s = new Save(page);
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| 70 |
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| 71 | QStringList environment = QProcess::systemEnvironment();
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| 72 | int idx = environment.indexOf(QRegExp("http_proxy=.*"));
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| 73 | if(idx != -1)
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| 74 | {
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| 75 | QString scheme = "http"; // default
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| 76 | QString proxyHost;
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| 77 |
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| 78 | int proxyPort = 8080;
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| 79 | QStringList tmpList = environment.at(idx).split("=");
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| 80 |
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| 81 | #if QT_VERSION >= 0x040600 // Qt4.6: Use QUrl::fromUserInput
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| 82 | // set URL (and guess if proto scheme missing)
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| 83 | QUrl url (QUrl::fromUserInput(tmpList.at(1)));
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| 84 | #else
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| 85 | // set URL
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| 86 | QUrl url (tmpList.at(1));
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| 87 | #endif
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| 88 | if (url.isValid() && !url.host().isEmpty())
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| 89 | {
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| 90 | proxyHost = url.host();
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| 91 |
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| 92 | if (url.port() != -1)
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| 93 | proxyPort = url.port();
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| 94 |
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| 95 | if (!url.scheme().isEmpty())
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| 96 | scheme = url.scheme();
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| 97 |
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| 98 | if (scheme == "http") // we support only http
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| 99 | {
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| 100 | QNetworkProxy proxy;
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| 101 | proxy.setType(QNetworkProxy::HttpCachingProxy);
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| 102 | proxy.setHostName(proxyHost);
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| 103 | proxy.setPort(proxyPort);
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| 104 | if (!url.userName().isEmpty())
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| 105 | proxy.setUser(url.userName());
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| 106 | if (!url.password().isEmpty())
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| 107 | proxy.setPassword(url.password());
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| 108 | page->networkAccessManager()->setProxy(proxy);
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| 109 | }
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| 110 | }
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| 111 | else /* manual mode */
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| 112 | {
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| 113 | QStringList proto_host_port = tmpList.at(1).split("://");
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| 114 | QStringList host_port;
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| 115 | if (proto_host_port.size() == 2) // string has proto
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| 116 | {
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| 117 | scheme = proto_host_port.at(0);
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| 118 | host_port = proto_host_port.at(1).split(":");
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| 119 | }
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| 120 | else // no proto (or invalid format with several delimiters)
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| 121 | {
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| 122 | host_port = tmpList.at(1).split(":");
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| 123 | }
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| 124 | if (scheme == "http") // we support only http
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| 125 | {
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| 126 | proxyHost = host_port.at(0);
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| 127 | if(host_port.size() == 2)
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| 128 | {
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| 129 | bool ok;
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| 130 | int port = host_port.at(1).toInt(&ok);
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| 131 | if(ok)
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| 132 | proxyPort = port;
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| 133 | }
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| 134 |
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| 135 | QNetworkProxy proxy;
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| 136 | proxy.setType(QNetworkProxy::HttpCachingProxy);
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| 137 | proxy.setHostName(proxyHost);
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| 138 | proxy.setPort(proxyPort);
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| 139 | page->networkAccessManager()->setProxy(proxy);
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| 140 | }
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | #if QT_VERSION >= 0x040500
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| 145 | QNetworkDiskCache *diskCache = new QNetworkDiskCache(page);
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| 146 | QString location = QDesktopServices::storageLocation(QDesktopServices::CacheLocation);
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| 147 | diskCache->setCacheDirectory(location);
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| 148 | page->networkAccessManager()->setCache(diskCache);
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| 149 | #endif
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| 150 |
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| 151 | QObject::connect(page, SIGNAL(loadFinished(bool)), s, SLOT(loaded(bool)));
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| 152 | QObject::connect(s, SIGNAL(finish(void)), &a, SLOT(quit()));
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| 153 | /* set some useful defaults for a webpage */
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| 154 | page->setViewportSize(QSize(1280,1024));
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| 155 | page->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
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| 156 | page->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
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| 157 | page->mainFrame()->load (QUrl(url));
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| 158 | return a.exec();
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| 159 | }
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