it makes no sense to have the blur stuff in one header/namespace and the roundedRectangle stuff in another: it's all painting related. putting them together, however, makes "ImageEffects" really not accurate. ImageEffects will also clash, concept-wise, with a real effects lib.

therefore, introducing Plasma::PaintUtils.

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=827859

CMakeLists.txt

@@ -39,8 +39,8 @@ set(plasma_LIB_SRCS
     dialog.cpp
     #FOR FUTURE
     #layouts/borderlayout.cpp
-    imageeffects.cpp
     packages.cpp
+    paintutils.cpp
     panelsvg.cpp
     paneltoolbox.cpp
     plasma.cpp
@@ -128,7 +128,7 @@ set(plasma_LIB_INCLUDES
     dataenginemanager.h
     delegate.h
     dialog.h
-    imageeffects.h
+    paintutils.h
     panelsvg.h
     plasma.h
     plasma_export.h
@@ -202,13 +202,13 @@ includes/Dialog
 includes/Flash
 includes/GroupBox
 includes/Icon
-includes/ImageEffects
 includes/Label
 includes/LineEdit
 includes/Meter
 includes/Package
 includes/PackageMetadata
 includes/PackageStructure
+includes/PaintUtils
 includes/PanelSvg
 includes/Plasma
 includes/PushButton

applethandle.cpp

@@ -38,6 +38,7 @@
 #include "applet_p.h"
 #include "containment.h"
 #include "corona.h"
+#include "paintutils.h"
 #include "theme.h"
 #include "view.h"
 
@@ -170,7 +171,7 @@ void AppletHandle::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
     gr.setColorAt(0.1, KColorScheme::shade(m_gradientColor, KColorScheme::LightShade));
     gr.setColorAt(1, KColorScheme::shade(m_gradientColor, KColorScheme::DarkShade));
     painter->setBrush(gr);
-    QPainterPath path = Plasma::roundedRectangle(boundingRect(), 10);
+    QPainterPath path = PaintUtils::roundedRectangle(boundingRect(), 10);
 
     if (m_applet) {
         QPainterPath shape = m_applet->shape();

delegate.cpp

@@ -41,7 +41,7 @@
 #include <KColorScheme>
 
 // plasma
-#include <plasma/plasma.h>
+#include <plasma/paintutils.h>
 
 namespace Plasma
 {
@@ -312,7 +312,7 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem& option, cons
         }
 
         painter->setPen(outlinePen);
-        painter->drawPath(Plasma::roundedRectangle(highlightRect, roundedRadius));
+        painter->drawPath(PaintUtils::roundedRectangle(highlightRect, roundedRadius));
 
         painter->restore();
     }

includes/ImageEffects

@@ -1 +0,0 @@
-#include "../../plasma/imageeffects.h"

includes/PaintUtils

@@ -0,0 +1 @@
+#include "../../plasma/paintutils.h"

paintutils.cpp

@@ -18,16 +18,18 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-#include <imageeffects.h>
+#include <paintutils.h>
-#include "effects/blur.cpp"
+
 #include <QImage>
 #include <QPainter>
 #include <QPixmap>
 
+#include "effects/blur.cpp"
+
 namespace Plasma
 {
 
-namespace ImageEffects
+namespace PaintUtils
 {
 
 void shadowBlur(QImage &image, int radius, const QColor &color)
@@ -76,7 +78,22 @@ QPixmap shadowText(QString text, QColor textColor, QColor shadowColor, QPoint of
     return finalPixmap;
 }
 
-} //ImageEffects namespace
+QPainterPath roundedRectangle(const QRectF& rect, qreal radius)
+{
+    QPainterPath path(QPointF(rect.left(), rect.top() + radius));
+    path.quadTo(rect.left(), rect.top(), rect.left() + radius, rect.top());         // Top left corner
+    path.lineTo(rect.right() - radius, rect.top());                                 // Top side
+    path.quadTo(rect.right(), rect.top(), rect.right(), rect.top() + radius);       // Top right corner
+    path.lineTo(rect.right(), rect.bottom() - radius);                              // Right side
+    path.quadTo(rect.right(), rect.bottom(), rect.right() - radius, rect.bottom()); // Bottom right corner
+    path.lineTo(rect.left() + radius, rect.bottom());                               // Bottom side
+    path.quadTo(rect.left(), rect.bottom(), rect.left(), rect.bottom() - radius);   // Bottom left corner
+    path.closeSubpath();
+
+    return path;
+}
+
+} // PaintUtils namespace
 
 } // Plasma namespace
 

paintutils.h

@@ -33,7 +33,7 @@ namespace Plasma
 /**
  *  Namespace for all Image Effects specific to Plasma
  **/
-namespace ImageEffects
+namespace PaintUtils
 {
 
 /**
@@ -51,7 +51,12 @@ PLASMA_EXPORT QPixmap shadowText(QString text,
     QPoint offset = QPoint(1,1), 
     int radius = 2);
 
-} // ImageEffects namespace
+/**
+ * Returns a nicely rounded rectanglular path for painting.
+ */
+PLASMA_EXPORT QPainterPath roundedRectangle(const QRectF& rect, qreal radius);
+
+} // PaintUtils namespace
 
 } // Plasma namespace
 

plasma.cpp

@@ -62,19 +62,4 @@ Direction locationToDirection(Location location)
     return Down;
 }
 
-QPainterPath roundedRectangle(const QRectF& rect, qreal radius)
-{
-    QPainterPath path(QPointF(rect.left(), rect.top() + radius));
-    path.quadTo(rect.left(), rect.top(), rect.left() + radius, rect.top());         // Top left corner
-    path.lineTo(rect.right() - radius, rect.top());                                 // Top side
-    path.quadTo(rect.right(), rect.top(), rect.right(), rect.top() + radius);       // Top right corner
-    path.lineTo(rect.right(), rect.bottom() - radius);                              // Right side
-    path.quadTo(rect.right(), rect.bottom(), rect.right() - radius, rect.bottom()); // Bottom right corner
-    path.lineTo(rect.left() + radius, rect.bottom());                               // Bottom side
-    path.quadTo(rect.left(), rect.bottom(), rect.left(), rect.bottom() - radius);   // Bottom left corner
-    path.closeSubpath();
-
-    return path;
-}
-
 } // Plasma namespace

plasma.h

@@ -193,11 +193,6 @@ PLASMA_EXPORT qreal scalingFactor(ZoomLevel level);
  **/
 PLASMA_EXPORT Direction locationToDirection(Location location);
 
-/**
- * Returns a nicely rounded rectanglular path for painting.
- */
-PLASMA_EXPORT QPainterPath roundedRectangle(const QRectF& rect, qreal radius);
-
 } // Plasma namespace
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::Constraints)

widgets/icon.cpp

@@ -50,8 +50,8 @@
 #include <KDebug>
 #include <KColorScheme>
 
+#include <plasma/paintutils.h>
 #include <plasma/theme.h>
-#include <plasma/imageeffects.h>
 
 #include "animator.h"
 #include "svg.h"
@@ -394,7 +394,7 @@ QPainterPath Icon::shape() const
         return QGraphicsItem::shape();
     }
 
-    return roundedRectangle(QRectF(QPointF(0.0, 0.0), d->currentSize).adjusted(-2, -2, 2, 2), 10.0);
+    return PaintUtils::roundedRectangle(QRectF(QPointF(0.0, 0.0), d->currentSize).adjusted(-2, -2, 2, 2), 10.0);
 }
 
 QSizeF IconPrivate::displaySizeHint(const QStyleOptionGraphicsItem *option, const qreal width) const
@@ -582,7 +582,7 @@ void IconPrivate::drawBackground(QPainter *painter, IconState state)
     painter->setRenderHint(QPainter::Antialiasing);
     painter->setBrush(shadow);
     painter->setPen(QPen(border, 1));
-    painter->drawPath(roundedRectangle(QRectF(QPointF(1, 1), QSize((int)currentSize.width()-2, (int)currentSize.height()-2)), 5.0));
+    painter->drawPath(PaintUtils::roundedRectangle(QRectF(QPointF(1, 1), QSize((int)currentSize.width()-2, (int)currentSize.height()-2)), 5.0));
     painter->restore();
 }
 
@@ -939,7 +939,7 @@ void Icon::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
         shadowOffset = QPoint(0,0);
     }
 
-    Plasma::ImageEffects::shadowBlur(shadow, 2, d->shadowColor);
+    PaintUtils::shadowBlur(shadow, 2, d->shadowColor);
     painter->drawImage(textBoundingRect.topLeft()+shadowOffset, shadow);
     d->drawTextItems(painter, option, labelLayout, infoLayout);
 }