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optimize ligher effect

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Change-Id: I130ad12e15ebb6d720294b922d9d556352224595
This commit is contained in:
石博文 2016-06-28 13:58:41 +08:00 committed by Hualet Wang
parent 5d014c4642
commit 1adeef359b
5 changed files with 20 additions and 29 deletions
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9
frame/item/appitem.cpp
View File

@ -132,13 +132,12 @@ void AppItem::paintEvent(QPaintEvent *e)
}
// icon
QPixmap pixmap = DockDisplayMode == Efficient ? m_smallIcon : m_largeIcon;
// ligher icon
if (m_hover)
pixmap = ImageFactory::lighter(pixmap);
const QPixmap pixmap = DockDisplayMode == Efficient ? m_smallIcon : m_largeIcon;
// draw icon
painter.drawPixmap(itemRect.center() - pixmap.rect().center(), pixmap);
// draw ligher
if (m_hover)
painter.drawPixmap(itemRect.center() - pixmap.rect().center(), ImageFactory::lighterEffect(pixmap));
}
void AppItem::mouseReleaseEvent(QMouseEvent *e)

7
frame/item/launcheritem.cpp
View File

@ -20,10 +20,11 @@ void LauncherItem::paintEvent(QPaintEvent *e)
QPainter painter(this);
QPixmap pixmap = DockDisplayMode == Fashion ? m_largeIcon : m_smallIcon;
if (m_hover)
pixmap = ImageFactory::lighter(pixmap);
const QPixmap pixmap = DockDisplayMode == Fashion ? m_largeIcon : m_smallIcon;
painter.drawPixmap(rect().center() - pixmap.rect().center(), pixmap);
if (m_hover)
painter.drawPixmap(rect().center() - pixmap.rect().center(), ImageFactory::lighterEffect(pixmap));
}
void LauncherItem::resizeEvent(QResizeEvent *e)

5
frame/item/pluginsitem.cpp
View File

@ -94,7 +94,10 @@ void PluginsItem::paintEvent(QPaintEvent *e)
const QRect iconRect = perfectIconRect();
const QPixmap pixmap = icon.pixmap(iconRect.size());
painter.drawPixmap(iconRect, m_hover ? ImageFactory::lighter(pixmap) : pixmap);
painter.drawPixmap(iconRect, pixmap);
if (m_hover)
painter.drawPixmap(iconRect, ImageFactory::lighterEffect(pixmap));
}
bool PluginsItem::eventFilter(QObject *o, QEvent *e)

26
frame/util/imagefactory.cpp
View File

@ -1,6 +1,7 @@
#include "imagefactory.h"
#include <QDebug>
#include <QPainter>
ImageFactory::ImageFactory(QObject *parent)
: QObject(parent)
@ -8,25 +9,12 @@ ImageFactory::ImageFactory(QObject *parent)
}
QPixmap ImageFactory::lighter(const QPixmap pixmap, const int delta)
QPixmap ImageFactory::lighterEffect(const QPixmap pixmap, const int delta)
{
QImage image = pixmap.toImage();
QPixmap result(pixmap);
QPainter painter(&result);
painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
painter.fillRect(result.rect(), QColor::fromRgb(255, 255, 255, delta));
const int width = image.width();
const int height = image.height();
const int bytesPerPixel = image.bytesPerLine() / image.width();
for (int i(0); i != height; ++i)
{
uchar *scanLine = image.scanLine(i);
for (int j(0); j != width; ++j)
{
QRgb &rgba = *(QRgb*)scanLine;
if (qAlpha(rgba) && (qRed(rgba) || qGreen(rgba) || qBlue(rgba)))
rgba = QColor::fromRgba(rgba).lighter(delta).rgba();
scanLine += bytesPerPixel;
}
}
return QPixmap::fromImage(image);
return result;
}

2
frame/util/imagefactory.h
View File

@ -12,7 +12,7 @@ class ImageFactory : public QObject
public:
explicit ImageFactory(QObject *parent = 0);
static QPixmap lighter(const QPixmap pixmap, const int delta = 120);
static QPixmap lighterEffect(const QPixmap pixmap, const int delta = 50);
};
#endif // IMAGEFACTORY_H