Fix bugs in previous commit that caused FTBFS in synfig and ETL FTBFS with older...
[synfig.git] / synfig-core / tags / stable / src / modules / mod_geometry / checkerboard.cpp
index b6e42f2..30bbf8e 100644 (file)
@@ -1,11 +1,12 @@
 /* === S Y N F I G ========================================================= */
 /*!    \file checkerboard.cpp
-**     \brief Template Header
+**     \brief Implementation of the "Checkerboard" layer
 **
 **     $Id$
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007, 2008 Chris Moore
 **
 **     This package is free software; you can redistribute it and/or
 **     modify it under the terms of the GNU General Public License as
@@ -53,8 +54,8 @@ using namespace etl;
 
 SYNFIG_LAYER_INIT(CheckerBoard);
 SYNFIG_LAYER_SET_NAME(CheckerBoard,"checker_board");
-SYNFIG_LAYER_SET_LOCAL_NAME(CheckerBoard,_("CheckerBoard"));
-SYNFIG_LAYER_SET_CATEGORY(CheckerBoard,_("Geometry"));
+SYNFIG_LAYER_SET_LOCAL_NAME(CheckerBoard,N_("Checkerboard"));
+SYNFIG_LAYER_SET_CATEGORY(CheckerBoard,N_("Geometry"));
 SYNFIG_LAYER_SET_VERSION(CheckerBoard,"0.1");
 SYNFIG_LAYER_SET_CVS_ID(CheckerBoard,"$Id$");
 
@@ -65,7 +66,7 @@ SYNFIG_LAYER_SET_CVS_ID(CheckerBoard,"$Id$");
 CheckerBoard::CheckerBoard():
        Layer_Composite (1.0,Color::BLEND_STRAIGHT),
        color                   (Color::black()),
-       pos                             (Point(0.125,0.125)),
+       origin                  (Point(0.125,0.125)),
        size                    (Point(0.25,0.25))
 {
 
@@ -75,10 +76,10 @@ CheckerBoard::CheckerBoard():
 inline bool
 CheckerBoard::point_test(const synfig::Point& getpos)const
 {
-       int val=((int)((getpos[0]-pos[0])/size[0])+(int)((getpos[1]-pos[1])/size[1]));
-       if(getpos[0]-pos[0] < 0.0)
+       int val=((int)((getpos[0]-origin[0])/size[0])+(int)((getpos[1]-origin[1])/size[1]));
+       if(getpos[0]-origin[0] < 0.0)
                val++;
-       if(getpos[1]-pos[1] < 0.0)
+       if(getpos[1]-origin[1] < 0.0)
                val++;
        return val&1;
 }
@@ -86,12 +87,16 @@ CheckerBoard::point_test(const synfig::Point& getpos)const
 bool
 CheckerBoard::set_param(const String &param, const ValueBase &value)
 {
-       IMPORT(color);
-       IMPORT(pos);
-       IMPORT(pos[0]);
-       IMPORT(pos[1]);
+       IMPORT_PLUS(color, { if (color.get_a() == 0) { if (converted_blend_) {
+                                       set_blend_method(Color::BLEND_ALPHA_OVER);
+                                       color.set_a(1); } else transparent_color_ = true; } });
+       IMPORT(origin);
        IMPORT(size);
 
+       IMPORT_AS(origin,"pos");
+       IMPORT_AS(origin[0],"pos[0]");
+       IMPORT_AS(origin[1],"pos[1]");
+
        return Layer_Composite::set_param(param,value);
 }
 
@@ -99,9 +104,7 @@ ValueBase
 CheckerBoard::get_param(const String &param)const
 {
        EXPORT(color);
-       EXPORT(pos);
-       EXPORT(pos[0]);
-       EXPORT(pos[1]);
+       EXPORT(origin);
        EXPORT(size);
        EXPORT_NAME();
        EXPORT_VERSION();
@@ -118,13 +121,13 @@ CheckerBoard::get_param_vocab()const
                .set_local_name(_("Color"))
                .set_description(_("Color of checkers"))
        );
-       ret.push_back(ParamDesc("pos")
-               .set_local_name(_("Offset"))
+       ret.push_back(ParamDesc("origin")
+               .set_local_name(_("Origin"))
        );
        ret.push_back(ParamDesc("size")
                .set_local_name(_("Size"))
                .set_description(_("Size of checkers"))
-               .set_origin("pos")
+               .set_origin("origin")
        );
 
        return ret;
@@ -157,7 +160,7 @@ CheckerBoard::get_color(Context context, const Point &getpos)const
                        return Color::blend(color,context.get_color(getpos),get_amount(),get_blend_method());
        }
        else
-               return context.get_color(getpos);
+               return Color::blend(Color::alpha(),context.get_color(getpos),get_amount(),get_blend_method());
 }
 
 bool