Git commit f7f348d13a0426d0bf013c0a2bbe49d8a94a5be4 by Jan Kundr?t. Committed on 24/05/2013 at 17:13. Pushed by jkt into branch 'addressbook'.
GUI: utility function for converting SVG images to a downscaled image usable within QLabel M +15 -0 src/Gui/Util.cpp M +2 -0 src/Gui/Util.h http://commits.kde.org/trojita/f7f348d13a0426d0bf013c0a2bbe49d8a94a5be4 diff --git a/src/Gui/Util.cpp b/src/Gui/Util.cpp index dabdd7b..c7bdfdb 100644 --- a/src/Gui/Util.cpp +++ b/src/Gui/Util.cpp @@ -22,9 +22,11 @@ #include <QApplication> +#include <QBuffer> #include <QCursor> // for Util::centerWidgetOnScreen #include <QDesktopWidget> // for Util::centerWidgetOnScreen #include <QDir> +#include <QIcon> #include <QProcess> #include <QSettings> @@ -201,6 +203,19 @@ QFont systemMonospaceFont() return font; } +/** @short Return image data from the specified filename as a self-contained URL of the data: scheme + +The imaeg is resized and always returned in the PNG format. +*/ +QString resizedImageAsDataUrl(const QString &fileName, const int extent) +{ + QByteArray bdata; + QBuffer buf(&bdata); + buf.open(QIODevice::WriteOnly); + QIcon(fileName).pixmap(extent).toImage().save(&buf, "png"); + return QLatin1String("data:image/png;base64,") + QString::fromUtf8(bdata.toBase64()); +} + } // namespace Util } // namespace Gui diff --git a/src/Gui/Util.h b/src/Gui/Util.h index 6570566..c2c0230 100644 --- a/src/Gui/Util.h +++ b/src/Gui/Util.h @@ -45,6 +45,8 @@ QColor tintColor(const QColor &color, const QColor &tintColor); QFont systemMonospaceFont(); +QString resizedImageAsDataUrl(const QString &fileName, const int extent); + } // namespace Util } // namespace Gui
