PixelPaint: Make scaling exponential

This matches behaviour of other image editors, e.g GIMP.
The default ZoomTool sensitivity was increased for better zooming
experience :^)

2 files changed, 2 insertions, 2 deletions

diff --git a/Userland/Applications/PixelPaint/ImageEditor.cpp b/Userland/Applications/PixelPaint/ImageEditor.cpp
index 248f37a611..e9332075e2 100644
--- a/Userland/Applications/PixelPaint/ImageEditor.cpp
+++ b/Userland/Applications/PixelPaint/ImageEditor.cpp
@@ -390,7 +390,7 @@ Layer* ImageEditor::layer_at_editor_position(Gfx::IntPoint const& editor_positio
 
 void ImageEditor::clamped_scale(float scale_delta)
 {
-    m_scale += scale_delta;
+    m_scale *= AK::exp2(scale_delta);
     if (m_scale < 0.1f)
         m_scale = 0.1f;
     if (m_scale > 100.0f)
diff --git a/Userland/Applications/PixelPaint/ZoomTool.h b/Userland/Applications/PixelPaint/ZoomTool.h
index e6a7b1b3aa..5809d042a6 100644
--- a/Userland/Applications/PixelPaint/ZoomTool.h
+++ b/Userland/Applications/PixelPaint/ZoomTool.h
@@ -22,7 +22,7 @@ public:
 
 private:
     RefPtr<GUI::Widget> m_properties_widget;
-    double m_sensitivity { 0.1 };
+    double m_sensitivity { 0.5 };
 };
 
 }