Overhaul of background/mask/path handling:

- added new BackgroundInfo structure
- added helper functions to aid management of BackgroundInfo. Engine is now responsible for allocation/deallocation.
- simplified loading and handling of background resources.

svn-id: r28524

1 files changed, 0 insertions, 20 deletions

diff --git a/engines/parallaction/graphics.cpp b/engines/parallaction/graphics.cpp
index 80185ef73d..536ac76583 100644
--- a/engines/parallaction/graphics.cpp
+++ b/engines/parallaction/graphics.cpp
@@ -765,21 +765,11 @@ void Gfx::restoreBackground(const Common::Rect& r) {
 
 
 void Gfx::setBackground(Graphics::Surface *surface) {
-	if (_buffers[kBit2]) {
-		_buffers[kBit2]->free();
-		delete _buffers[kBit2];
-	}
-
 	_buffers[kBit2] = surface;
 	copyScreen(kBit2, kBitBack);
 }
 
 void Gfx::setMask(MaskBuffer *buffer) {
-	if (_depthMask) {
-		_depthMask->free();
-		delete _depthMask;
-	}
-
 	_depthMask = buffer;
 }
 
@@ -882,21 +872,11 @@ Gfx::Gfx(Parallaction* vm) :
 
 Gfx::~Gfx() {
 
-	if (_depthMask) {
-		_depthMask->free();
-		delete _depthMask;
-	}
-
 	_buffers[kBitFront]->free();
 	delete _buffers[kBitFront];
 	_buffers[kBitBack]->free();
 	delete _buffers[kBitBack];
 
-	if (_buffers[kBit2]) {
-		_buffers[kBit2]->free();
-		delete _buffers[kBit2];
-	}
-
 	delete _fonts[kFontDialogue];
 	delete _fonts[kFontLabel];
 	delete _fonts[kFontMenu];