From df5a7a18bcbc9f1cf0d002f92b01473545b0eab3 Mon Sep 17 00:00:00 2001
From: gouldtj <gouldtj@users.sourceforge.net>
Date: Tue, 30 Oct 2007 19:29:36 +0000
Subject: [PATCH]  r16892@shi:  ted | 2007-10-29 21:33:09 -0700  Okay, so now
 the caches get into the execution environment and can be passed around to the
 effects.  Now it's a  matter of implementing the caches in the drivers.

---
 src/extension/effect.cpp          |  8 +++++---
 src/extension/execution-env.cpp   | 33 ++++++++++++++++++++++++++++---
 src/extension/execution-env.h     | 11 ++++++++++-
 src/extension/extension-forward.h |  1 +
 4 files changed, 46 insertions(+), 7 deletions(-)

diff --git a/src/extension/effect.cpp b/src/extension/effect.cpp
index 6b03014f8..f7caf125d 100644
--- a/src/extension/effect.cpp
+++ b/src/extension/effect.cpp
@@ -13,7 +13,7 @@
 #include "desktop-handles.h"
 #include "selection.h"
 #include "sp-namedview.h"
-#include "document.h"
+#include "desktop.h"
 #include "implementation/implementation.h"
 #include "effect.h"
 #include "execution-env.h"
@@ -219,9 +219,11 @@ Effect::prefs (Inkscape::UI::View::View * doc)
     sigc::signal<void> * changeSignal = new sigc::signal<void>;
 
     Gtk::Widget * controls;
-    controls = imp->prefs_effect(this, doc, changeSignal, NULL);
+	SPDesktop * spdesktop = (SPDesktop *)doc;
+	Implementation::ImplementationDocumentCache * docCache = imp->newDocCache(this, spdesktop->doc());
+    controls = imp->prefs_effect(this, doc, changeSignal, docCache);
 
-    ExecutionEnv executionEnv(this, doc, controls, changeSignal);
+    ExecutionEnv executionEnv(this, doc, controls, changeSignal, NULL, docCache);
 
     timer->lock();
     executionEnv.run();
diff --git a/src/extension/execution-env.cpp b/src/extension/execution-env.cpp
index b7746289e..21df42b9d 100644
--- a/src/extension/execution-env.cpp
+++ b/src/extension/execution-env.cpp
@@ -18,6 +18,7 @@
 #include "selection.h"
 #include "effect.h"
 #include "document.h"
+#include "desktop.h"
 #include "ui/view/view.h"
 #include "sp-namedview.h"
 #include "desktop-handles.h"
@@ -28,7 +29,7 @@ namespace Inkscape {
 namespace Extension {
 
 
-ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls, sigc::signal<void> * changeSignal, Gtk::Dialog * prefDialog) :
+ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls, sigc::signal<void> * changeSignal, Gtk::Dialog * prefDialog, Implementation::ImplementationDocumentCache * docCache) :
     _visibleDialog(NULL),
     _prefsVisible(false),
     _finished(false),
@@ -40,7 +41,8 @@ ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk
     _selfdelete(false),
     _changeSignal(changeSignal),
     _doc(doc),
-    _effect(effect) {
+    _effect(effect),
+	_docCache(docCache) {
 
     SPDesktop *desktop = (SPDesktop *)_doc;
     sp_namedview_document_from_window(desktop);
@@ -93,9 +95,30 @@ ExecutionEnv::~ExecutionEnv (void) {
     if (_changeSignal != NULL && !_shutdown) {
         delete _changeSignal;
     }
+	killDocCache();
     return;
 }
 
+void
+ExecutionEnv::genDocCache (void) {
+	if (_docCache == NULL) {
+		printf("Gen Doc Cache\n");
+		SPDesktop * spdesktop = (SPDesktop *)_doc;
+		Implementation::ImplementationDocumentCache * _docCache = _effect->get_imp()->newDocCache(_effect, spdesktop->doc());
+	}
+	return;
+}
+
+void
+ExecutionEnv::killDocCache (void) {
+	if (_docCache != NULL) {
+		printf("Killed Doc Cache\n");
+		delete _docCache;
+		_docCache = NULL;
+	}
+	return;
+}
+
 void
 ExecutionEnv::preferencesChange (void) {
     _timersig.disconnect();
@@ -250,7 +273,8 @@ ExecutionEnv::run (void) {
             _mainloop->run();
         } else {
             _prefsChanged = false;
-            _effect->get_imp()->effect(_effect, _doc, NULL);
+			genDocCache();
+            _effect->get_imp()->effect(_effect, _doc, _docCache);
             processingComplete();
         }
         if (_canceled) {
@@ -275,6 +299,9 @@ ExecutionEnv::livePreview (bool state) {
         _humanWait = false;
     }
     _livePreview = state;
+	if (!_livePreview) {
+		killDocCache();
+	}
     return;
 }
 
diff --git a/src/extension/execution-env.h b/src/extension/execution-env.h
index a6c4ebf64..7b35f33a2 100644
--- a/src/extension/execution-env.h
+++ b/src/extension/execution-env.h
@@ -19,6 +19,7 @@
 
 #include "forward.h"
 #include "extension-forward.h"
+#include "extension.h"
 
 namespace Inkscape {
 namespace Extension {
@@ -41,11 +42,17 @@ private:
     sigc::connection _dialogsig;
     sigc::connection _changesig;
     sigc::connection _timersig;
+	Implementation::ImplementationDocumentCache * _docCache;
 
 public:
     Effect * _effect;
 
-    ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Gtk::Widget * controls = NULL, sigc::signal<void> * changeSignal = NULL, Gtk::Dialog * prefDialog = NULL);
+    ExecutionEnv (Effect * effect,
+	              Inkscape::UI::View::View * doc,
+				  Gtk::Widget * controls = NULL,
+				  sigc::signal<void> * changeSignal = NULL,
+				  Gtk::Dialog * prefDialog = NULL,
+				  Implementation::ImplementationDocumentCache * docCache = NULL);
     ~ExecutionEnv (void);
 
     void run (void);
@@ -64,6 +71,8 @@ private:
     void documentCancel (void);
     void documentCommit (void);
     void reselect (void);
+	void genDocCache (void);
+	void killDocCache (void);
 };
 
 } }  /* namespace Inkscape, Extension */
diff --git a/src/extension/extension-forward.h b/src/extension/extension-forward.h
index f0346b488..d836c29ab 100644
--- a/src/extension/extension-forward.h
+++ b/src/extension/extension-forward.h
@@ -16,6 +16,7 @@ class ExpirationTimer;
 
 namespace Implementation {
 class Implementation;
+class ImplementationDocumentCache;
 }
 
 } }
-- 
2.30.2