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allow defining the font to use with the shadow text

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svn path=/trunk/KDE/kdelibs/; revision=900826
This commit is contained in:
Aaron J. Seigo 2008-12-23 18:31:59 +00:00
parent 0ea6365356
commit 4edaeb129d
2 changed files with 18 additions and 2 deletions
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12
paintutils.cpp
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@ -47,19 +47,27 @@ void shadowBlur(QImage &image, int radius, const QColor &color)
p.end(); p.end();
} }
//TODO: we should have shadowText methods that paint the results directly into a QPainter passed in
QPixmap shadowText(QString text, QColor textColor, QColor shadowColor, QPoint offset, int radius) QPixmap shadowText(QString text, QColor textColor, QColor shadowColor, QPoint offset, int radius)
{
return shadowText(text, qApp->font(), textColor, shadowColor, offset, radius);
}
QPixmap shadowText(QString text, const QFont &font, QColor textColor, QColor shadowColor, QPoint offset, int radius)
{ {
//don't try to paint stuff on a future null pixmap because the text is empty //don't try to paint stuff on a future null pixmap because the text is empty
if (text.isEmpty()) { if (text.isEmpty()) {
return QPixmap(); return QPixmap();
} }
// Draw text // Draw text
QFontMetrics fm(text); QFontMetrics fm(font);
QRect textRect = fm.boundingRect(text); QRect textRect = fm.boundingRect(text);
QPixmap textPixmap(textRect.size()); QPixmap textPixmap(textRect.width(), fm.height());
textPixmap.fill(Qt::transparent); textPixmap.fill(Qt::transparent);
QPainter p(&textPixmap); QPainter p(&textPixmap);
p.setPen(textColor); p.setPen(textColor);
p.setFont(font);
p.drawText(textPixmap.rect(), Qt::AlignLeft, text); p.drawText(textPixmap.rect(), Qt::AlignLeft, text);
p.end(); p.end();

8
paintutils.h
View File

@ -21,6 +21,7 @@
#ifndef PLASMA_PAINTUTILS_H #ifndef PLASMA_PAINTUTILS_H
#define PLASMA_PAINTUTILS_H #define PLASMA_PAINTUTILS_H
#include <QtGui/QApplication>
#include <QtGui/QGraphicsItem> #include <QtGui/QGraphicsItem>
#include <QtGui/QPainterPath> #include <QtGui/QPainterPath>
@ -47,6 +48,13 @@ PLASMA_EXPORT void shadowBlur(QImage &image, int radius, const QColor &color);
* Returns a pixmap containing text with blurred shadow. * Returns a pixmap containing text with blurred shadow.
* Text and shadow colors default to Plasma::Theme colors. * Text and shadow colors default to Plasma::Theme colors.
*/ */
PLASMA_EXPORT QPixmap shadowText(QString text,
const QFont &font,
QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor),
QColor shadowColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::BackgroundColor),
QPoint offset = QPoint(1,1),
int radius = 2);
PLASMA_EXPORT QPixmap shadowText(QString text, PLASMA_EXPORT QPixmap shadowText(QString text,
QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor), QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor),
QColor shadowColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::BackgroundColor), QColor shadowColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::BackgroundColor),