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make oxygen round buttons look better when color is very dark/light

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svn path=/trunk/KDE/kdebase/workspace/; revision=695315
This commit is contained in:
Matthew Woehlke 2007-08-01 20:28:13 +00:00
parent 1508942ee9
commit 2f4aba00cf
1 changed files with 10 additions and 3 deletions
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13
clients/oxygen/lib/helper.cpp
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@ -21,6 +21,7 @@
#include "helper.h" #include "helper.h"
#include <KGlobalSettings> #include <KGlobalSettings>
#include <KColorUtils>
#include <KColorScheme> #include <KColorScheme>
#include <QtGui/QPainter> #include <QtGui/QPainter>
@ -179,10 +180,16 @@ QPixmap OxygenHelper::roundButton(const QColor &color, int size)
p.drawEllipse(QRectF(2.4,2.4,15.2,15.2)); p.drawEllipse(QRectF(2.4,2.4,15.2,15.2));
// bevel // bevel
QColor light = calcLightColor(color);
QColor dark = calcDarkColor(color);
qreal y = KColorUtils::luma(color);
qreal yl = KColorUtils::luma(light);
qreal yd = KColorUtils::luma(light);
QLinearGradient bevelGradient(0, 0, 0, 18); QLinearGradient bevelGradient(0, 0, 0, 18);
bevelGradient.setColorAt(0.45, calcLightColor(color)); bevelGradient.setColorAt(0.45, light);
bevelGradient.setColorAt(0.55, color); bevelGradient.setColorAt(0.65, dark);
bevelGradient.setColorAt(0.65, calcDarkColor(color)); if (y < yl && y > yd) // no middle when color is very light/dark
bevelGradient.setColorAt(0.55, color);
p.setBrush(QBrush(bevelGradient)); p.setBrush(QBrush(bevelGradient));
p.drawEllipse(QRectF(2.4,2.4,15.2,15.0)); p.drawEllipse(QRectF(2.4,2.4,15.2,15.0));