SUPERNOVA: Fix image rendering when removing image

This is mostly used in talk animations and result in bad artefacts.
The issue was a regression introduced in commit e0f6da0.

1 files changed, 4 insertions, 2 deletions

diff --git a/engines/supernova/supernova.cpp b/engines/supernova/supernova.cpp
index 60d3c1c1cc..fe52f20205 100644
--- a/engines/supernova/supernova.cpp
+++ b/engines/supernova/supernova.cpp
@@ -426,13 +426,15 @@ void SupernovaEngine::renderImage(MSNImageDecoder &image, int section) {
 	}
 
 	uint offset = 0;
+	int pitch = sectionRect.width();
 	if (invert) {
-		offset = image._section[section].y1 * image._pitch + image._section[section].x1;
+		pitch = image._pitch;
+		offset = image._section[section].y1 * pitch + image._section[section].x1;
 		section = 0;
 	}
 
 	_system->copyRectToScreen(static_cast<const byte *>(image._sectionSurfaces[section]->getPixels()) + offset,
-	                          sectionRect.width(),
+	                          pitch,
 	                          sectionRect.left, sectionRect.top,
 	                          sectionRect.width(), sectionRect.height());
 }