Make navigating the picture view in debugger more functional.
https://codereview.appspot.com/7134049/


git-svn-id: http://skia.googlecode.com/svn/trunk@7253 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkSettingsWidget.cpp b/debugger/QT/SkSettingsWidget.cpp
index d9268be..c74be40 100644
--- a/debugger/QT/SkSettingsWidget.cpp
+++ b/debugger/QT/SkSettingsWidget.cpp
@@ -151,12 +151,6 @@
     return &fVisibleOn;
 }
 
-void SkSettingsWidget::setZoomText(int scaleFactor) {
-    if(scaleFactor == 1 || scaleFactor == -1) {
-        fZoomBox.setText("100%");
-    } else if (scaleFactor > 1) {
-        fZoomBox.setText(QString::number(scaleFactor*100).append("%"));
-    } else if (scaleFactor < -1) {
-        fZoomBox.setText(QString::number(100 / pow(2.0f, (-scaleFactor - 1))).append("%"));
-    }
+void SkSettingsWidget::setZoomText(float scale) {
+    fZoomBox.setText(QString::number(scale*100, 'f', 0).append("%"));
 }