do not make an unecessary copy

3nids · 3nids · commit 2b210a5c6f6f · 2014-12-11T16:14:33.000+01:00
diff --git a/src/core/qgsmaptopixel.cpp b/src/core/qgsmaptopixel.cpp
@@ -268,10 +268,8 @@ void QgsMapToPixel::transform( QgsPoint* p ) const
 void QgsMapToPixel::transformInPlace( qreal& x, qreal& y ) const
 {
   // Map 2 Pixel
-
-  QTransform matrix = mMatrix;
   double mx, my;
-  matrix.map( x, y, &mx, &my );
+  mMatrix.map( x, y, &mx, &my );
   //QgsDebugMsg(QString("XXX transformInPlace X : %1-->%2, Y: %3 -->%4").arg(x).arg(mx).arg(y).arg(my));
   x = mx; y = my;
 }

Original file line number	Diff line number	Diff line change
`@@ -268,10 +268,8 @@ void QgsMapToPixel::transform( QgsPoint* p ) const`
`268`	`268`	`void QgsMapToPixel::transformInPlace( qreal& x, qreal& y ) const`
`269`	`269`	`{`
`270`	`270`	`// Map 2 Pixel`
`271`		`-`
`272`		`- QTransform matrix = mMatrix;`
`273`	`271`	`double mx, my;`
`274`		`- matrix.map( x, y, &mx, &my );`
	`272`	`+ mMatrix.map( x, y, &mx, &my );`
`275`	`273`	`//QgsDebugMsg(QString("XXX transformInPlace X : %1-->%2, Y: %3 -->%4").arg(x).arg(mx).arg(y).arg(my));`
`276`	`274`	`x = mx; y = my;`
`277`	`275`	`}`