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QmakePM: Avoid multiple loads of the same standard icon

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Loading a standard icon is expensive.

Change-Id: Ic6bae20c9d0bdcb07fda48309bebcc3a959bc031
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
2016-03-01 11:07:10 +02:00
committed by Orgad Shaneh
parent f900b4e1ba
commit 925492a1b3
3 changed files with 20 additions and 13 deletions
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21
src/plugins/coreplugin/fileiconprovider.cpp
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@@ -149,17 +149,26 @@ QIcon icon(QFileIconProvider::IconType type)
return instance()->icon(type);
}
/*!
Creates a pixmap with baseicon and overlays overlayIcon over it.
See platform note in class documentation about recommended usage.
*/
QPixmap overlayIcon(const QPixmap &baseIcon, const QIcon &overlayIcon)
{
QPixmap iconPixmap = baseIcon;
QPainter painter(&iconPixmap);
painter.drawPixmap(0, 0, overlayIcon.pixmap(baseIcon.size()));
painter.end();
return iconPixmap;
}
/*!
Creates a pixmap with baseicon at size and overlays overlayIcon over it.
See platform note in class documentation about recommended usage.
*/
QPixmap overlayIcon(QStyle::StandardPixmap baseIcon, const QIcon &overlayIcon, const QSize &size)
QPixmap overlayIcon(QStyle::StandardPixmap baseIcon, const QIcon &overlay, const QSize &size)
{
QPixmap iconPixmap = qApp->style()->standardIcon(baseIcon).pixmap(size);
QPainter painter(&iconPixmap);
painter.drawPixmap(0, 0, overlayIcon.pixmap(size));
painter.end();
return iconPixmap;
return overlayIcon(qApp->style()->standardIcon(baseIcon).pixmap(size), overlay);
}
/*!

1
src/plugins/coreplugin/fileiconprovider.h
View File

@@ -43,6 +43,7 @@ CORE_EXPORT QIcon icon(const QFileInfo &info);
CORE_EXPORT QIcon icon(QFileIconProvider::IconType type);
// Register additional overlay icons
CORE_EXPORT QPixmap overlayIcon(const QPixmap &baseIcon, const QIcon &overlayIcon);
CORE_EXPORT QPixmap overlayIcon(QStyle::StandardPixmap baseIcon, const QIcon &overlayIcon, const QSize &size);
CORE_EXPORT void registerIconOverlayForSuffix(const char *path, const char *suffix);
CORE_EXPORT void registerIconOverlayForMimeType(const char *path, const char *mimeType);