Implement SpriteModel::fastBoundingRect()

Author: adazem009

src/spritemodel.cpp

@@ -147,7 +147,7 @@ libscratchcpp::Rect SpriteModel::boundingRect() const
 
 libscratchcpp::Rect SpriteModel::fastBoundingRect() const
 {
-    return libscratchcpp::Rect(m_sprite->x(), m_sprite->y(), m_sprite->x(), m_sprite->y());
+    return m_renderedTarget->getFastBounds();
 }
 
 libscratchcpp::Sprite *SpriteModel::sprite() const

test/target_models/spritemodel_test.cpp

@@ -302,6 +302,22 @@ TEST(SpriteModelTest, BoundingRect)
     ASSERT_EQ(bounds.bottom(), rect.bottom());
 }
 
+TEST(SpriteModelTest, FastBoundingRect)
+{
+    SpriteModel model;
+
+    RenderedTargetMock renderedTarget;
+    model.setRenderedTarget(&renderedTarget);
+
+    Rect rect(-1, 1, 1, -1);
+    EXPECT_CALL(renderedTarget, getFastBounds()).WillOnce(Return(rect));
+    Rect bounds = model.fastBoundingRect();
+    ASSERT_EQ(bounds.left(), rect.left());
+    ASSERT_EQ(bounds.top(), rect.top());
+    ASSERT_EQ(bounds.right(), rect.right());
+    ASSERT_EQ(bounds.bottom(), rect.bottom());
+}
+
 TEST(SpriteModelTest, RenderedTarget)
 {
     SpriteModel model;