From 4a982de650f64a6d2a94b137d65fc1233d5c9098 Mon Sep 17 00:00:00 2001
From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Mon, 4 Feb 2008 18:40:29 +0000
Subject: [PATCH] Add the 'offset' parameter to the Plant layer.

git-svn-id: http://svn.voria.com/code@1575 1f10aa63-cdf2-0310-b900-c93c546f37ac
---
 synfig-core/trunk/src/modules/mod_particle/plant.cpp | 13 ++++++++++---
 synfig-core/trunk/src/modules/mod_particle/plant.h   |  2 ++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/synfig-core/trunk/src/modules/mod_particle/plant.cpp b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
index 1a89f1f..cdaa592 100644
--- a/synfig-core/trunk/src/modules/mod_particle/plant.cpp
+++ b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
@@ -76,6 +76,7 @@ SYNFIG_LAYER_SET_CVS_ID(Plant,"$Id$");
 
 
 Plant::Plant():
+	offset(0,0),
 	split_angle(Angle::deg(10)),
 	gravity(0,-0.1),
 	velocity(0.3),
@@ -283,6 +284,7 @@ Plant::set_param(const String & param, const ValueBase &value)
 		needs_sync_=true;
 		return true;
 	}
+	IMPORT(offset);
 	IMPORT_PLUS(split_angle,needs_sync_=true);
 	IMPORT_PLUS(gravity,needs_sync_=true);
 	IMPORT_PLUS(gradient,needs_sync_=true);
@@ -342,6 +344,7 @@ Plant::get_param(const String& param)const
 	if(param=="seed")
 		return random.get_seed();
 	EXPORT(bline);
+	EXPORT(offset);
 	EXPORT(split_angle);
 	EXPORT(gravity);
 	EXPORT(velocity);
@@ -373,10 +376,14 @@ Plant::get_param_vocab()const
 	ret.push_back(ParamDesc("bline")
 		.set_local_name(_("Vertices"))
 		.set_description(_("A list of BLine Points"))
-		//.set_origin("offset")
+		.set_origin("offset")
 		//.set_scalar("width")
 	);
 
+	ret.push_back(ParamDesc("offset")
+		.set_local_name(_("Offset"))
+	);
+
 	ret.push_back(ParamDesc("gradient")
 		.set_local_name(_("Gradient"))
 		.set_description(_("Gradient to be used for coloring the plant"))
@@ -474,8 +481,8 @@ Plant::accelerated_render(Context context,Surface *surface,int quality, const Re
 	dest_surface.set_wh(surface->get_w(),surface->get_h());
 	dest_surface.clear();
 
-	const Point	tl(renddesc.get_tl());
-	const Point br(renddesc.get_br());
+	const Point	tl(renddesc.get_tl()-offset);
+	const Point br(renddesc.get_br()-offset);
 
 	const int	w(renddesc.get_w());
 	const int	h(renddesc.get_h());
diff --git a/synfig-core/trunk/src/modules/mod_particle/plant.h b/synfig-core/trunk/src/modules/mod_particle/plant.h
index e43818c..dec87ff 100644
--- a/synfig-core/trunk/src/modules/mod_particle/plant.h
+++ b/synfig-core/trunk/src/modules/mod_particle/plant.h
@@ -57,6 +57,8 @@ private:
 	std::vector<synfig::BLinePoint> bline;
 	bool bline_loop;
 
+	Point offset;
+
 	synfig::Gradient gradient;
 
 	struct Particle
-- 
2.7.4