Add clearGraphicsEffects method to Costume

Author: adazem009

include/scratchcpp/costume.h

@@ -44,6 +44,8 @@ class LIBSCRATCHCPP_EXPORT Costume : public Asset
         double graphicsEffectValue(IGraphicsEffect *effect) const;
         void setGraphicsEffectValue(IGraphicsEffect *effect, double value);
 
+        void clearGraphicsEffects();
+
         Broadcast *broadcast();
 
     protected:

src/scratch/costume.cpp

@@ -133,6 +133,16 @@ void Costume::setGraphicsEffectValue(IGraphicsEffect *effect, double value)
         impl->updateImage();
 }
 
+/*! Clears all graphics effects (this is automatically called by the sprite). */
+void Costume::clearGraphicsEffects()
+{
+    bool update = !impl->graphicsEffects.empty();
+    impl->graphicsEffects.clear();
+
+    if (update)
+        impl->updateImage();
+}
+
 /*!
  * Returns the Broadcast linked with this costume.
  * \note This is used by the "switch backdrop to and wait" block.

test/assets/costume_test.cpp

@@ -408,6 +408,12 @@ TEST_F(CostumeTest, BitmapWithGraphicsEffects)
     ASSERT_EQ(bitmap[3][3], 4);
     ASSERT_EQ(bitmap[3][4], 4);
     ASSERT_EQ(bitmap[3][5], 8);
+
+    EXPECT_CALL(*m_imageFormat, width()).WillOnce(Return(0));
+    EXPECT_CALL(*m_imageFormat, height()).WillOnce(Return(0));
+    costume.clearGraphicsEffects();
+    ASSERT_EQ(costume.graphicsEffectValue(&effect1), 0);
+    ASSERT_EQ(costume.graphicsEffectValue(&effect2), 0);
 }
 
 TEST_F(CostumeTest, Broadcast)