+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file circle.cpp
-** \brief Implementation of the "Circle" layer
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 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
-** 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 "circle.h"
-#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 <cmath>
-
-#endif
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* -- G L O B A L S --------------------------------------------------------- */
-
-SYNFIG_LAYER_INIT(Circle);
-SYNFIG_LAYER_SET_NAME(Circle,"circle");
-SYNFIG_LAYER_SET_LOCAL_NAME(Circle,N_("Circle"));
-SYNFIG_LAYER_SET_CATEGORY(Circle,N_("Geometry"));
-SYNFIG_LAYER_SET_VERSION(Circle,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Circle,"$Id$");
-
-/* -- F U N C T I O N S ----------------------------------------------------- */
-
-Circle::Circle():
- Layer_Composite (1.0,Color::BLEND_STRAIGHT),
- color (Color::black()),
- origin (0,0),
- radius (1),
- feather (0),
- invert (false),
- falloff (FALLOFF_INTERPOLATION_LINEAR)
-{
- constructcache();
-}
-
-bool
-Circle::ImportParameters(const String ¶m, const ValueBase &value)
-{
- 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(radius);
- IMPORT_PLUS(feather, if(feather<0)feather=0;);
- IMPORT(invert);
- IMPORT(origin);
- IMPORT(falloff);
-
- IMPORT_AS(origin,"pos");
-
- return Layer_Composite::set_param(param,value);
-}
-
-bool
-Circle::set_param(const String ¶m, const ValueBase &value)
-{
- if(ImportParameters(param,value))
- {
- constructcache();
- return true;
- }
-
- return false;
-}
-
-ValueBase
-Circle::get_param(const String ¶m)const
-{
- EXPORT(color);
- EXPORT(radius);
- EXPORT(feather);
- EXPORT(invert);
- EXPORT(origin);
- EXPORT(falloff);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Layer::Vocab
-Circle::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("radius")
- .set_local_name(_("Radius"))
- .set_origin("origin")
- .set_is_distance()
- );
- ret.push_back(ParamDesc("feather")
- .set_local_name(_("Feather"))
- .set_is_distance()
- );
- ret.push_back(ParamDesc("origin")
- .set_local_name(_("Origin"))
- );
- ret.push_back(ParamDesc("invert")
- .set_local_name(_("Invert"))
- .set_description(_("Invert the circle"))
- );
-
- ret.push_back(ParamDesc("falloff")
- .set_local_name(_("Falloff"))
- .set_description(_("Determines the falloff function for the feather"))
- .set_hint("enum")
- .add_enum_value(FALLOFF_INTERPOLATION_LINEAR,"linear",_("Linear"))
- .add_enum_value(FALLOFF_SQUARED,"squared",_("Squared"))
- .add_enum_value(FALLOFF_SQRT,"sqrt",_("Square Root"))
- .add_enum_value(FALLOFF_SIGMOND,"sigmond",_("Sigmond"))
- .add_enum_value(FALLOFF_COSINE,"cosine",_("Cosine"))
- );
-
- return ret;
-}
-
-synfig::Layer::Handle
-Circle::hit_check(synfig::Context context, const synfig::Point &point)const
-{
- Point temp=origin-point;
-
- if(get_amount()==0)
- return context.hit_check(point);
-
- bool in_circle(temp.mag_squared() <= radius*radius);
-
- if(invert)
- {
- in_circle=!in_circle;
- if(in_circle && get_amount()-(feather/radius)<=0.1 && get_blend_method()!=Color::BLEND_STRAIGHT)
- in_circle=false;
- }
- else
- {
- if(get_amount()-(feather/radius)<=0.0)
- in_circle=false;
- }
-
- if(in_circle)
- {
- synfig::Layer::Handle tmp;
- if(get_blend_method()==Color::BLEND_BEHIND && (tmp=context.hit_check(point)))
- return tmp;
- if(Color::is_onto(get_blend_method()) && !(tmp=context.hit_check(point)))
- return 0;
- return const_cast<Circle*>(this);
- }
-
- return context.hit_check(point);
-}
-
-//falloff functions
-Real Circle::SqdFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //squared proportional falloff
- return (c.outer_radius_sqd - mag_sqd) / c.diff_sqd;
-}
-
-Real Circle::InvSqdFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //squared proportional falloff
- return 1.0 - (c.outer_radius_sqd - mag_sqd) / c.diff_sqd;
-}
-
-
-Real Circle::SqrtFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //linear distance falloff
- Real ret = ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
- //then take the square root of it
- ret = sqrt(ret);
- return ret;
-}
-
-Real Circle::InvSqrtFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //linear distance falloff
- Real ret = ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
- //then take the square root of it
- ret = 1.0 - sqrt(ret);
- return ret;
-}
-
-Real Circle::LinearFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //linear distance falloff
- return ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
-}
-
-Real Circle::InvLinearFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- return 1.0 - ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
- //linear distance falloff
-}
-
-Real Circle::SigmondFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //linear distance falloff
- Real ret = ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
- // inverse exponential of the linear falloff (asymptotes at 0 and 1)
- // \frac{1.0}{ 1 + e^{- \( a*10-5 \)}}
- ret = 1.0 / (1 + exp(-(ret*10-5)) );
- return ret;
-}
-
-Real Circle::InvSigmondFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //linear distance falloff
- Real ret = ( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather;
- // inverse exponential of the linear falloff (asymptotes at 0 and 1)
- // \frac{1.0}{ 1 + e^{- \( a*10-5 \)}}
- ret = 1.0 - 1.0 / (1 + exp(-(ret*10-5)) );
- return ret;
-}
-
-
-Real
-Circle::CosineFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- //Cosine distance falloff
- return (1.0f-cos((( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather)*3.1415927))*0.5f;
-}
-
-Real
-Circle::InvCosineFalloff(const Circle::CircleDataCache &c, const Real &mag_sqd)
-{
- return 1.0f-(1.0f-cos((( c.outer_radius - sqrt(mag_sqd) ) / c.double_feather)*3.1415927))*0.5f;
- //Cosine distance falloff
-}
-
-void Circle::constructcache()
-{
- cache.inner_radius = radius - feather;
- if(cache.inner_radius < 0)
- cache.inner_radius = 0;
-
- cache.outer_radius = radius + feather;
-
- cache.inner_radius_sqd = cache.inner_radius > 0 ? (radius-feather)*(radius-feather) : 0;
- cache.outer_radius_sqd = (radius+feather)*(radius+feather);
-
- cache.diff_sqd = feather*feather*4.0;
- cache.double_feather = feather*2.0;
-
- falloff_func = GetFalloffFunc();
-}
-
-Circle::FALLOFF_FUNC *Circle::GetFalloffFunc()const
-{
- switch(falloff)
- {
- case FALLOFF_SQUARED: return invert?InvSqdFalloff:SqdFalloff;
-
- case FALLOFF_SQRT: return invert?InvSqrtFalloff:SqrtFalloff;
-
- case FALLOFF_INTERPOLATION_LINEAR: return invert?InvLinearFalloff:LinearFalloff;
-
- case FALLOFF_SIGMOND: return invert?InvSigmondFalloff:SigmondFalloff;
-
- case FALLOFF_COSINE:
- default: return invert?InvCosineFalloff:CosineFalloff;
- }
-}
-
-Color
-Circle::get_color(Context context, const Point &point)const
-{
- if(is_disabled() || (radius==0 && invert==false && !feather))
- return context.get_color(point);
-
-
- Point temp=origin-point;
-
- /*const Real inner_radius = radius-feather;
- const Real outer_radius = radius+feather;
-
- const Real inner_radius_sqd = inner_radius > 0 ? (radius-feather)*(radius-feather) : 0;
- const Real outer_radius_sqd = (radius+feather)*(radius+feather);
-
- const Real diff_radii_sqd = outer_radius_sqd - inner_radius_sqd;
- const Real double_feather = feather*2.0;*/
-
- /*const Real &inner_radius = cache.inner_radius;
- const Real &outer_radius = cache.outer_radius;*/
-
- const Real &inner_radius_sqd = cache.inner_radius_sqd;
- const Real &outer_radius_sqd = cache.outer_radius_sqd;
-
- /*const Real &diff_radii_sqd = cache.diff_radii_sqd;
- const Real &double_feather = cache.double_feather;*/
-
- const Vector::value_type mag_squared = temp.mag_squared();
-
- //Outside the circle, with feathering enabled
- if( mag_squared > outer_radius_sqd )
- {
- // inverted -> outside == colored in
- if(invert)
- {
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- return color;
- else
- return Color::blend(color,context.get_color(point),get_amount(),get_blend_method());
- }
- else
- return Color::blend(Color::alpha(),context.get_color(point),get_amount(),get_blend_method());
- }
-
- //inside the circle's solid area (with feathering)
- else if(mag_squared <= inner_radius_sqd)
- {
- // !invert -> solid area
- if(!invert)
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- return color;
- else
- return Color::blend(color,context.get_color(point),get_amount(),get_blend_method());
- else
- return Color::blend(Color::alpha(),context.get_color(point),get_amount(),get_blend_method());
- }
-
- //If we get here, the pixel is within the feathering area, and is thus subject to falloff
- else
- {
- Color::value_type alpha;
-
- /*switch(falloff)
- {
-
- case FALLOFF_SQUARED:
- //squared proportional falloff
- alpha = (outer_radius_sqd - mag_squared) / diff_radii_sqd;
- break;
-
- case FALLOFF_SQRT:
- //linear distance falloff
- alpha = ( outer_radius - sqrt(mag_squared) ) / double_feather;
- //then take the square root of it
- alpha = sqrt(alpha);
- break;
-
- case FALLOFF_INTERPOLATION_LINEAR:
- //linear distance falloff
- alpha = ( outer_radius - sqrt(mag_squared) ) / double_feather;
- break;
-
- case FALLOFF_SIGMOND:
- default:
- //linear distance falloff
- alpha = ( outer_radius - sqrt(mag_squared) ) / double_feather;
- // inverse exponential of the linear falloff (asymptotes at 0 and 1)
- // \frac{1.0}{ 1 + e^{- \( a*10-5 \)}}
- alpha = 1.0 / (1 + exp(-(alpha*10-5)) );
- break;
- }
-
- //If we're inverted, we need to invert the falloff value
- if(invert)
- alpha=1.0-alpha;*/
-
- alpha = falloff_func(cache,mag_squared);
-
- return Color::blend(color*alpha,context.get_color(point),get_amount(),get_blend_method());
- }
-}
-
-Color NormalBlend(Color a, Color b, float amount)
-{
- return (b-a)*amount+a;
-}
-
-
-bool
-Circle::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- // trivial case
- if(is_disabled() || (radius==0 && invert==false && !feather))
- return context.accelerated_render(surface,quality, renddesc, cb);
-
- // Another trivial case
- if(invert && radius==0 && is_solid_color())
- {
- surface->set_wh(renddesc.get_w(),renddesc.get_h());
- surface->fill(color);
- if(cb && !cb->amount_complete(10000,10000))
- return false;
- return true;
- }
-
- // Window Boundaries
- const Point tl(renddesc.get_tl());
- const Point br(renddesc.get_br());
- const int w(renddesc.get_w());
- const int h(renddesc.get_h());
-
- const Real x_neg = tl[0] > br[0] ? -1 : 1;
- const Real y_neg = tl[1] > br[1] ? -1 : 1;
-
- // Width and Height of a pixel
- const Real pw = (br[0] - tl[0]) / w;
- const Real ph = (br[1] - tl[1]) / h;
-
- // Increasing the feather amount by the size of
- // a pixel will create an anti-aliased appearance
- // don't render feathering at all when quality is 10
- const Real newfeather = (quality == 10) ? 0 : feather + (abs(ph)+abs(pw))/4.0;
-
- //int u,v;
- int left = (int) floor( (origin[0] - x_neg*(radius+newfeather) - tl[0]) / pw );
- int right = (int) ceil( (origin[0] + x_neg*(radius+newfeather) - tl[0]) / pw );
- int top = (int) floor( (origin[1] - y_neg*(radius+newfeather) - tl[1]) / ph );
- int bottom = (int) ceil( (origin[1] + y_neg*(radius+newfeather) - tl[1]) / ph );
-
- //clip the rectangle bounds
- if(left < 0)
- left = 0;
- if(top < 0)
- top = 0;
- if(right >= w)
- right = w-1;
- if(bottom >= h)
- bottom = h-1;
-
- const Real inner_radius = radius-newfeather>0 ? radius-newfeather : 0;
- const Real outer_radius = radius+newfeather;
-
- const Real inner_radius_sqd = inner_radius*inner_radius;
- const Real outer_radius_sqd = outer_radius*outer_radius;
-
- const Real diff_radii_sqd = 4*newfeather*std::max(newfeather,radius);//4.0*radius*newfeather;
- const Real double_feather = newfeather * 2.0;
-
- //Compile the temporary cache for the falloff calculations
- FALLOFF_FUNC *func = GetFalloffFunc();
-
- const CircleDataCache cache =
- {
- inner_radius,outer_radius,
- inner_radius_sqd,outer_radius_sqd,
- diff_radii_sqd,double_feather
- };
-
- //info("Circle: Initialized everything");
-
- //let the rendering begin
- SuperCallback supercb(cb,0,9000,10000);
-
- //if it's a degenerate circle, do what we need to do, and then leave
- if(left >= right || top >= bottom)
- {
- if(invert)
- {
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- {
- surface->set_wh(w,h);
- surface->fill(color);
- return true;
- }else
- {
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- Surface::alpha_pen p(surface->begin(),get_amount(),_BlendFunc(get_blend_method()));
-
- p.set_value(color);
- p.put_block(h,w);
- return true;
- }
- }else
- {
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
- return true;
- }
- }
-
- if( (origin[0] - tl[0])*(origin[0] - tl[0]) + (origin[1] - tl[1])*(origin[1] - tl[1]) < inner_radius_sqd
- && (origin[0] - br[0])*(origin[0] - br[0]) + (origin[1] - br[1])*(origin[1] - br[1]) < inner_radius_sqd
- && (origin[0] - tl[0])*(origin[0] - tl[0]) + (origin[1] - br[1])*(origin[1] - br[1]) < inner_radius_sqd
- && (origin[0] - br[0])*(origin[0] - br[0]) + (origin[1] - tl[1])*(origin[1] - tl[1]) < inner_radius_sqd )
- {
- if(invert)
- {
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
- }else
- {
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- {
- surface->set_wh(w,h);
- surface->fill(color);
- return true;
- }
- }
- }
-
- //info("Circle: Non degenerate, rasterize %c", invert);
-
- //we start in the middle of the left-top pixel
- Real leftf = (left + 0.5)*pw + tl[0];
- Real topf = (top + 0.5)*ph + tl[1];
-
- //the looping variables
- Real x,y;
- int i,j;
-
- //Loop normally, since we are not inverted
- if(!invert)
- {
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- //make topf and leftf relative to the center of the circle
- leftf -= origin[0];
- topf -= origin[1];
-
- j = top;
- y = topf;
-
- //Loop over the valid y-values in the bounding square
- for(;j <= bottom; j++, y += ph)
- {
- i = left;
- x = leftf;
-
- //for each y-value, Loop over the bounding x-values in the bounding square
- for(;i <= right; i++, x += pw)
- {
- //for each pixel, figure out the distance and blend
- Real r = x*x + y*y;
-
- //if in the inner circle then the full color shows through
- if(r <= inner_radius_sqd)
- {
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- (*surface)[j][i]=color;
- else
- (*surface)[j][i]=Color::blend(color,(*surface)[j][i],get_amount(),get_blend_method());
- }
- //if it's within the outer circle then it's in the feathering range
- else if(r <= outer_radius_sqd)
- {
- /*float myamount;
-
- switch(falloff)
- {
- case FALLOFF_SQUARED:
- myamount = (outer_radius_sqd - r) / diff_radii_sqd;
- break;
-
- case FALLOFF_SQRT:
- myamount = (outer_radius - sqrt(r)) / double_feather;
- myamount = sqrt(myamount);
- break;
-
- case FALLOFF_INTERPOLATION_LINEAR:
- myamount = (outer_radius - sqrt(r)) / double_feather;
- break;
-
- case FALLOFF_SIGMOND:
- default:
- myamount = (outer_radius - sqrt(r)) / double_feather;
- myamount = 1.0 / ( 1 + exp(-(myamount*10 - 5)) );
- break;
- }*/
-
- Real myamount = func(cache,r);
-
- //if(myamount<0.0)myamount=0.0;
- //if(myamount>1.0)myamount=1.0;
- myamount *= get_amount();
- (*surface)[j][i] = Color::blend(color,(*surface)[j][i],myamount,get_blend_method());
- }
- }
- }
- }
- else
- {
- Surface background;
- RendDesc desc(renddesc);
- desc.set_flags(0);
-
- int offset_x=0,offset_y=0;
-
- //fill the surface with the background color initially
- surface->set_wh(w,h);
- surface->fill(color);
-
- //then render the background to an alternate surface
- if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
- {
- offset_x = left;
- offset_y = top;
-
- //if there is no background showing through we are done
- if(right < left || bottom < top)
- return true;
-
- desc.set_subwindow(left,top,right-left+1,bottom-top+1);
-
- // Render what is behind us
- if(!context.accelerated_render(&background,quality,desc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
- }
- else
- {
- left = 0;
- right = w-1;
- top = 0;
- bottom = h-1;
-
- leftf = /*0.5*pw +*/ tl[0];
- topf = /*0.5*ph +*/ tl[1];
-
- // Render what is behind us
- if(!context.accelerated_render(&background,quality,renddesc,&supercb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
- }
-
- topf -= origin[1];
- leftf-= origin[0];
-
- j = top;
- y = topf;
-
- for(;j <= bottom; j++, y+=ph)
- {
- i = left;
- x = leftf;
-
- for(;i <= right; i++, x+=pw)
- {
- Vector::value_type r = x*x + y*y;
-
- if(r < inner_radius_sqd)
- {
- (*surface)[j][i] = background[j-offset_y][i-offset_x];
- }
- else if(r < outer_radius_sqd)
- {
- /*float amount;
-
- switch(falloff)
- {
- case FALLOFF_SQUARED:
- amount = (r - inner_radius_sqd) / diff_radii_sqd;
- break;
- case FALLOFF_INTERPOLATION_LINEAR:
- amount = (sqrt(r) - inner_radius) / double_feather;
- break;
- case FALLOFF_SQRT:
- amount = (outer_radius - sqrt(r)) / double_feather;
- amount = 1.0 - sqrt(amount);
- break;
- case FALLOFF_SIGMOND:
- default:
- amount = (outer_radius - sqrt(r)) / double_feather;
- amount = 1.0 - ( 1.0/( 1 + exp(-(amount*10-5)) ) );
- break;
- }*/
-
- Real amount = func(cache,r);
-
- if(amount<0.0)amount=0.0;
- if(amount>1.0)amount=1.0;
-
- amount*=get_amount();
-
- (*surface)[j][i]=Color::blend(color,background[j-offset_y][i-offset_x],amount,get_blend_method());
- }else if(get_amount() != 1 || get_blend_method() != Color::BLEND_STRAIGHT)
- {
- (*surface)[j][i]=Color::blend(color,background[j][i],get_amount(),get_blend_method());
- }
- }
- }
- }
-
- // Mark our progress as finished
- if(cb && !cb->amount_complete(10000,10000))
- return false;
-
- return true;
-}
-
-Rect
-Circle::get_bounding_rect()const
-{
- if(invert)
- return Rect::full_plane();
-
- Rect bounds(
- origin[0]+(radius+feather),
- origin[1]+(radius+feather),
- origin[0]-(radius+feather),
- origin[1]-(radius+feather)
- );
-
- return bounds;
-}
-
-Rect
-Circle::get_full_bounding_rect(Context context)const
-{
- if(invert)
- {
- if(is_solid_color() && color.get_a()==0)
- {
- Rect bounds(
- origin[0]+(radius+feather),
- origin[1]+(radius+feather),
- origin[0]-(radius+feather),
- origin[1]-(radius+feather)
- );
- return bounds & context.get_full_bounding_rect();
- }
- return Rect::full_plane();
- }
-
- return Layer_Composite::get_full_bounding_rect(context);
-}
projects / synfig.git / blobdiff