Author: Carlos Lopez <[email protected]>
Date: Mon Mar 4 17:41:59 2013 +0100
Redefine clear() member to take care on destroy the references to the cairo
surfaces. Don't directly call the resize member without have cleared it before
---
synfig-studio/src/gui/preview.cpp | 10 ++++++++++
synfig-studio/src/gui/preview.h | 7 ++++---
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/synfig-studio/src/gui/preview.cpp
b/synfig-studio/src/gui/preview.cpp
index f641757..060b1b2 100644
--- a/synfig-studio/src/gui/preview.cpp
+++ b/synfig-studio/src/gui/preview.cpp
@@ -280,6 +280,7 @@ void studio::Preview::render()
target->set_rend_desc(&desc);
//... first we must clear our current selves of space
+ clear();
frames.resize(0);
//now tell it to go... with inherited prog. reporting...
@@ -290,6 +291,15 @@ void studio::Preview::render()
}
}
+void studio::Preview::clear()
+{
+ FlipBook::iterator it;
+ for(it=frames.begin(); it!=frames.end(); it++)
+ cairo_surface_destroy(it->surface);
+ frames.clear();
+}
+
+
static void free_guint8(const guint8 *mem)
{
free((void*)mem);
diff --git a/synfig-studio/src/gui/preview.h b/synfig-studio/src/gui/preview.h
index 6484b5a..23be447 100644
--- a/synfig-studio/src/gui/preview.h
+++ b/synfig-studio/src/gui/preview.h
@@ -158,9 +158,10 @@ public:
FlipBook::const_iterator begin() const {return frames.begin();}
FlipBook::const_iterator end() const {return frames.end();}
void push_back(FlipbookElem fe) { frames.push_back(fe); }
-
- void clear() {frames.clear();}
-
+ // Used to clear the FlipBook. Do not use directly the
std::vector<>::clear member
+ // because the cairo_surface_t* wouldn't be destroyed.
+ void clear();
+
unsigned int numframes() const {return
frames.size();}
void render();
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