+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file rectangle.cpp
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
-** Copyright (c) 2007 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
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <synfig/string.h>
-#include <synfig/time.h>
-#include <synfig/context.h>
-#include <synfig/paramdesc.h>
-#include <synfig/renddesc.h>
-#include <synfig/surface.h>
-#include <synfig/value.h>
-#include <synfig/valuenode.h>
-#include <ETL/pen>
-#include <ETL/misc>
-
-#include "rectangle.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace etl;
-using namespace std;
-using namespace synfig;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(Rectangle);
-SYNFIG_LAYER_SET_NAME(Rectangle,"rectangle");
-SYNFIG_LAYER_SET_LOCAL_NAME(Rectangle,_("Rectangle"));
-SYNFIG_LAYER_SET_CATEGORY(Rectangle,_("Geometry"));
-SYNFIG_LAYER_SET_VERSION(Rectangle,"0.2");
-SYNFIG_LAYER_SET_CVS_ID(Rectangle,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-/*
-inline int ceil_to_int(const float x) { return static_cast<int>(ceil(x)); }
-inline int ceil_to_int(const double x) { return static_cast<int>(ceil(x)); }
-
-inline int floor_to_int(const float x) { return static_cast<int>(floor(x)); }
-inline int floor_to_int(const double x) { return static_cast<int>(floor(x)); }
-*/
-
-/* === M E T H O D S ======================================================= */
-
-/* === E N T R Y P O I N T ================================================= */
-
-Rectangle::Rectangle():
- Layer_Composite(1.0,Color::BLEND_STRAIGHT),
- color(Color::black()),
- point1(0,0),
- point2(1,1),
- expand(0),
- invert(false)
-{
-}
-
-bool
-Rectangle::set_param(const String & param, const ValueBase &value)
-{
- IMPORT(color);
- IMPORT(point1);
- IMPORT(point2);
- IMPORT(expand);
- IMPORT(invert);
-
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-Rectangle::get_param(const String ¶m)const
-{
- EXPORT(color);
- EXPORT(point1);
- EXPORT(point2);
- EXPORT(expand);
- EXPORT(invert);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Layer::Vocab
-Rectangle::get_param_vocab()const
-{
- Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
- ret.push_back(ParamDesc("color")
- .set_local_name(_("Color"))
- );
-
- ret.push_back(ParamDesc("point1")
- .set_local_name(_("Point 1"))
- .set_box("point2")
- );
-
- ret.push_back(ParamDesc("point2")
- .set_local_name(_("Point 2"))
- );
-
- ret.push_back(ParamDesc("expand")
- .set_is_distance()
- .set_local_name(_("Expand amount"))
- );
-
- ret.push_back(ParamDesc("invert")
- .set_local_name(_("Invert the rectangle"))
- );
-
- return ret;
-}
-
-synfig::Layer::Handle
-Rectangle::hit_check(synfig::Context context, const synfig::Point &pos)const
-{
- if(is_disabled())
- return context.hit_check(pos);
-
- Point max,min;
-
- max[0]=std::max(point1[0],point2[0])+expand;
- max[1]=std::max(point1[1],point2[1])+expand;
- min[0]=std::min(point1[0],point2[0])-expand;
- min[1]=std::min(point1[1],point2[1])-expand;
-
- bool intersect(false);
-
- if( pos[0]<max[0] && pos[0]>min[0] &&
- pos[1]<max[1] && pos[1]>min[1] )
- {
- intersect=true;
- }
-
- if(invert)
- intersect=!intersect;
-
- if(intersect)
- {
- synfig::Layer::Handle tmp;
- if(get_blend_method()==Color::BLEND_BEHIND && (tmp=context.hit_check(pos)))
- return tmp;
- if(Color::is_onto(get_blend_method()) && !(tmp=context.hit_check(pos)))
- return 0;
- return const_cast<Rectangle*>(this);
- }
-
- return context.hit_check(pos);
-}
-
-bool
-Rectangle::is_solid_color()const
-{
- return Layer_Composite::is_solid_color() ||
- (get_blend_method() == Color::BLEND_COMPOSITE &&
- get_amount() == 1.0f &&
- color.get_a() == 1.0f);
-}
-
-Color
-Rectangle::get_color(Context context, const Point &pos)const
-{
- if(is_disabled())
- return context.get_color(pos);
-
- Point max,min;
-
- max[0]=std::max(point1[0],point2[0])+expand;
- max[1]=std::max(point1[1],point2[1])+expand;
- min[0]=std::min(point1[0],point2[0])-expand;
- min[1]=std::min(point1[1],point2[1])-expand;
-
-/**************************
-// This is darco's old-old-old feathered box code
-// it produces really nice feathered edges
- if(feather!=0.0)
- {
- if( pos[0]<=max[0]-feather/2.0 && pos[0]>=min[0]+feather/2.0 &&
- pos[1]<=max[1]-feather/2.0 && pos[1]>=min[1]+feather/2.0 )
- {
- if(invert)
- return (*context).GetColor(context,pos);
- else
- return color;
- }
-
- if( pos[0]>=max[0]+feather/2.0 || pos[0]<=min[0]-feather/2.0 ||
- pos[1]>=max[1]+feather/2.0 || pos[1]<=min[1]-feather/2.0 )
- {
- if(invert)
- return color;
- else
- return (*context).GetColor(context,pos);
- }
-
- Color::unit alpha=1000000;
- Color::unit alpha2=1000000;
-
- if(max[0]-pos[0]+feather/2.0<alpha)
- alpha=max[0]-pos[0]+feather/2.0;
- if(pos[0]-min[0]+feather/2.0<alpha)
- alpha=pos[0]-min[0]+feather/2.0;
-
- if(max[1]-pos[1]+feather/2.0<alpha2)
- alpha2=max[1]-pos[1]+feather/2.0;
- if(pos[1]-min[1]+feather/2.0<alpha2)
- alpha2=pos[1]-min[1]+feather/2.0;
-
-
- if(alpha<=feather && alpha2<=feather)
- {
- alpha=feather-alpha;
- alpha2=feather-alpha2;
-
- alpha=sqrt(alpha*alpha+alpha2*alpha2);
-
- if(alpha>=feather)
- {
- if(invert)
- return color;
- else
- return (*context).GetColor(context,pos);
- }
-
- alpha=feather-alpha;
- }
- else
- {
- alpha=(alpha<alpha2)?alpha:alpha2;
- }
-
- alpha/=feather;
-
- if(invert)
- alpha=1.0-alpha;
-
- return Color::blend(color,context.get_color(pos),alpha,get_blend_method());
- }
-
-*****************/
-
- if( pos[0]<max[0] && pos[0]>min[0] &&
- pos[1]<max[1] && pos[1]>min[1] )
- {
- if(invert)
- return context.get_color(pos);
- else
- {
- if(is_solid_color())
- return color;
- else
- return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
-
- }
- }
-
- if(invert)
- {
- if(is_solid_color())
- return color;
- else
- return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
- }
-
- return context.get_color(pos);
-}
-
-bool
-Rectangle::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- if(is_disabled())
- return context.accelerated_render(surface,quality,renddesc,cb);
-
- const Point tl(renddesc.get_tl());
- const Point br(renddesc.get_br());
-
- const int w(renddesc.get_w());
- const int h(renddesc.get_h());
-
- // Width and Height of a pixel
- const Real pw = (br[0] - tl[0]) / w;
- const Real ph = (br[1] - tl[1]) / h;
-
- Point max(point1),min(point2);
-
-
-
-
- /*
-
- if(invert)
- {
- max=context.get_bounding_rect().get_max();
- min=context.get_bounding_rect().get_min();
- }
- else
- {
- max=context.get_full_bounding_rect().get_max();
- min=context.get_full_bounding_rect().get_min();
- }
- */
-
-
-
-
-
- if((min[0] > max[0]) ^ (pw < 0))swap(min[0],max[0]);
- if((min[1] > max[1]) ^ (ph < 0))swap(min[1],max[1]);
-
- if(min[0] > max[0])
- {
- min[0]+=expand;
- max[0]-=expand;
- }
- else
- {
- min[0]-=expand;
- max[0]+=expand;
- }
-
- if(min[1] > max[1])
- {
- min[1]+=expand;
- max[1]-=expand;
- }
- else
- {
- min[1]-=expand;
- max[1]+=expand;
- }
-
- if(invert)
- {
- int left(floor_to_int((min[0]-tl[0])/pw));
- int right(ceil_to_int((max[0]-tl[0])/pw));
- int top(floor_to_int((min[1]-tl[1])/ph));
- int bottom(ceil_to_int((max[1]-tl[1])/ph));
-
- float left_edge((min[0]-tl[0])/pw-float(left));
- float right_edge(float(right)-(max[0]-tl[0])/pw);
- float top_edge((min[1]-tl[1])/ph-float(top));
- float bottom_edge(float(bottom)-(max[1]-tl[1])/ph);
-
- if(top<0)top=0,top_edge=0;
- if(left<0)left=0,left_edge=0;
- if(bottom>h)bottom=h,bottom_edge=0;
- if(right>w)right=w,right_edge=0;
-
- if(is_solid_color())
- {
- Surface subimage;
- RendDesc desc(renddesc);
- desc.set_flags(0);
-
- //fill the surface with the background color initially
- surface->set_wh(w,h);
- surface->fill(color);
-
- // Check for the case where there is nothing to render
- if (right <= left || bottom <= top)
- return true;
-
- desc.set_subwindow(left,top,right-left,bottom-top);
-
- // Render what is behind us
- if(!context.accelerated_render(&subimage,quality,desc,cb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- Surface::pen pen(surface->get_pen(left,top));
-
- subimage.blit_to(pen);
- }
- else
- {
- if(!context.accelerated_render(surface,quality,renddesc,cb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- Surface subimage;
-
- // Check for the case where there is something to render
- if (right > left && bottom > top)
- {
- // save a copy of the overlapping region from surface into subimage
- subimage.set_wh(right-left,bottom-top);
- Surface::pen subimage_pen(subimage.begin());
- surface->blit_to(subimage_pen,left,top,right-left,bottom-top);
- }
-
- // fill surface with the rectangle's colour
- Surface::alpha_pen surface_pen(surface->begin(),get_amount(),get_blend_method());
- surface->fill(color,surface_pen,w,h);
-
- if (subimage)
- {
- // copy the saved overlapping region back from subimage into surface
- Surface::pen pen(surface->get_pen(left,top));
- subimage.blit_to(pen);
- }
- else
- // if there's no overlapping region, return now of the following code corrupts memory
- return true;
- }
-
- Surface::alpha_pen pen;
-
- if(bottom-1>=0 && bottom_edge)
- {
- pen=Surface::alpha_pen(surface->get_pen(left,bottom-1),get_amount()*bottom_edge,get_blend_method());
- surface->fill(color,pen,right-left,1);
- }
-
- if(right-1>=0 && right_edge)
- {
- pen=Surface::alpha_pen(surface->get_pen(right-1,top),get_amount()*right_edge,get_blend_method());
- surface->fill(color,pen,1,bottom-top);
- }
-
- if(left>=0 && left_edge)
- {
- pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount()*left_edge,get_blend_method());
- surface->fill(color,pen,1,bottom-top);
- }
-
- if(top>=0 && top_edge)
- {
- pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount()*top_edge,get_blend_method());
- surface->fill(color,pen,right-left,1);
- }
-
- return true;
- }
-
- // not inverted
-
- int left(ceil_to_int((min[0]-tl[0])/pw));
- int right(floor_to_int((max[0]-tl[0])/pw));
- int top(ceil_to_int((min[1]-tl[1])/ph));
- int bottom(floor_to_int((max[1]-tl[1])/ph));
-
- float left_edge(float(left)-(min[0]-tl[0])/pw);
- float right_edge((max[0]-tl[0])/pw-float(right));
- float top_edge(float(top)-(min[1]-tl[1])/ph);
- float bottom_edge((max[1]-tl[1])/ph-float(bottom));
-
- if(top<=0)top=0,top_edge=0;
- if(left<=0)left=0,left_edge=0;
- if(bottom>=h)bottom=h,bottom_edge=0;
- if(right>=w)right=w,right_edge=0;
-
-/*
- top = std::max(0,top);
- left = std::max(0,left);
- bottom = std::min(h,bottom);
- right = std::min(w,right);
-*/
-
- // optimisation - if the whole tile is covered by this rectangle,
- // and the rectangle is a solid colour, we don't need to render
- // what's behind us
- if (is_solid_color() && top == 0 && left == 0 && bottom == h && right == w)
- {
- surface->set_wh(w,h);
- surface->fill(color);
- return true;
- }
-
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,cb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- // In the case where there is nothing to render...
- if (right < left || bottom < top)
- return true;
-
- Surface::alpha_pen pen;
-
- if(right-left>0&&bottom-top>0)
- {
- if(is_solid_color())
- surface->fill(color,left,top,right-left,bottom-top);
- else
- {
- pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount(),get_blend_method());
- surface->fill(color,pen,right-left,bottom-top);
- }
- }
-
- if(bottom<surface->get_h() && bottom_edge>=0.0001)
- {
- pen=Surface::alpha_pen(surface->get_pen(left,bottom),get_amount()*bottom_edge,get_blend_method());
- surface->fill(color,pen,right-left,1);
- }
-
- if(right<surface->get_w() && right_edge>=0.0001)
- {
- pen=Surface::alpha_pen(surface->get_pen(right,top),get_amount()*right_edge,get_blend_method());
- surface->fill(color,pen,1,bottom-top);
- }
-
- if(left>0 && left_edge>=0.0001)
- {
- pen=Surface::alpha_pen(surface->get_pen(left-1,top),get_amount()*left_edge,get_blend_method());
- surface->fill(color,pen,1,bottom-top);
- }
-
- if(top>0 && top_edge>=0.0001)
- {
- pen=Surface::alpha_pen(surface->get_pen(left,top-1),get_amount()*top_edge,get_blend_method());
- surface->fill(color,pen,right-left,1);
- }
-
-
- return true;
-}
-
-Rect
-Rectangle::get_bounding_rect()const
-{
- if(invert)
- return Rect::full_plane();
-
- Point max(point1),min(point2);
- if((min[0] > max[0]))swap(min[0],max[0]);
- if((min[1] > max[1]))swap(min[1],max[1]);
- if(min[0] > max[0])
- {
- min[0]+=expand;
- max[0]-=expand;
- }
- else
- {
- min[0]-=expand;
- max[0]+=expand;
- }
-
- if(min[1] > max[1])
- {
- min[1]+=expand;
- max[1]-=expand;
- }
- else
- {
- min[1]-=expand;
- max[1]+=expand;
- }
-
- Rect bounds(min,max);
-
- return bounds;
-}
-
-Rect
-Rectangle::get_full_bounding_rect(Context context)const
-{
- if(invert)
- {
- if(is_solid_color() && color.get_a()==0)
- {
- Point max(point1),min(point2);
- if((min[0] > max[0]))swap(min[0],max[0]);
- if((min[1] > max[1]))swap(min[1],max[1]);
- if(min[0] > max[0])
- {
- min[0]+=expand;
- max[0]-=expand;
- }
- else
- {
- min[0]-=expand;
- max[0]+=expand;
- }
-
- if(min[1] > max[1])
- {
- min[1]+=expand;
- max[1]-=expand;
- }
- else
- {
- min[1]-=expand;
- max[1]+=expand;
- }
-
- Rect bounds(min,max);
-
- return bounds & context.get_full_bounding_rect();
- }
- return Rect::full_plane();
- }
-
- return Layer_Composite::get_full_bounding_rect(context);
-}
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