+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file bevel.cpp
-** \brief Implementation of the "Bevel" layer
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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 "bevel.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 <synfig/segment.h>
-
-#include <cstring>
-#include <ETL/pen>
-#include <ETL/misc>
-
-#endif
-
-using namespace synfig;
-using namespace etl;
-using namespace std;
-
-/*#define TYPE_BOX 0
-#define TYPE_FASTGUASSIAN 1
-#define TYPE_FASTGAUSSIAN 1
-#define TYPE_CROSS 2
-#define TYPE_GUASSIAN 3
-#define TYPE_GAUSSIAN 3
-#define TYPE_DISC 4
-*/
-
-/* -- G L O B A L S --------------------------------------------------------- */
-
-SYNFIG_LAYER_INIT(Layer_Bevel);
-SYNFIG_LAYER_SET_NAME(Layer_Bevel,"bevel");
-SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Bevel,N_("Bevel"));
-SYNFIG_LAYER_SET_CATEGORY(Layer_Bevel,N_("Stylize"));
-SYNFIG_LAYER_SET_VERSION(Layer_Bevel,"0.2");
-SYNFIG_LAYER_SET_CVS_ID(Layer_Bevel,"$Id$");
-
-/* -- F U N C T I O N S ----------------------------------------------------- */
-
-inline void clamp(synfig::Vector &v)
-{
- if(v[0]<0.0)v[0]=0.0;
- if(v[1]<0.0)v[1]=0.0;
-}
-
-Layer_Bevel::Layer_Bevel():
- Layer_Composite (0.75,Color::BLEND_ONTO),
- softness(0.1),
- type(Blur::FASTGAUSSIAN),
- color1(Color::white()),
- color2(Color::black()),
- depth(0.2)
-{
- angle=Angle::deg(135);
- calc_offset();
- use_luma=false;
- solid=false;
-}
-
-void
-Layer_Bevel::calc_offset()
-{
- offset[0]=Angle::cos(angle).get()*depth;
- offset[1]=Angle::sin(angle).get()*depth;
-
- offset45[0]=Angle::cos(angle-Angle::deg(45)).get()*depth*0.707106781;
- offset45[1]=Angle::sin(angle-Angle::deg(45)).get()*depth*0.707106781;
-}
-
-bool
-Layer_Bevel::set_param(const String ¶m, const ValueBase &value)
-{
- IMPORT_PLUS(softness,softness=softness>0?softness:0);
- IMPORT(color1);
- IMPORT(color2);
- IMPORT_PLUS(depth,calc_offset());
- IMPORT_PLUS(angle,calc_offset());
- IMPORT(type);
- IMPORT(use_luma);
- IMPORT(solid);
-
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-Layer_Bevel::get_param(const String ¶m)const
-{
- EXPORT(type);
- EXPORT(softness);
- EXPORT(color1);
- EXPORT(color2);
- EXPORT(depth);
- EXPORT(angle);
- EXPORT(use_luma);
- EXPORT(solid);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Color
-Layer_Bevel::get_color(Context context, const Point &pos)const
-{
- const Vector size(softness,softness);
- Point blurpos = Blur(size,type)(pos);
-
- if(get_amount()==0.0)
- return context.get_color(pos);
-
- Color shade;
-
- Real hi_alpha(1.0f-context.get_color(blurpos+offset).get_a());
- Real lo_alpha(1.0f-context.get_color(blurpos-offset).get_a());
-
- Real shade_alpha(hi_alpha-lo_alpha);
- if(shade_alpha>0)
- shade=color1,shade.set_a(shade_alpha);
- else
- shade=color2,shade.set_a(-shade_alpha);
-
- return Color::blend(shade,context.get_color(pos),get_amount(),get_blend_method());
-}
-
-bool
-Layer_Bevel::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- int x,y;
- SuperCallback stageone(cb,0,5000,10000);
- SuperCallback stagetwo(cb,5000,10000,10000);
-
- const int w = renddesc.get_w(),
- h = renddesc.get_h();
- const Real pw = renddesc.get_pw(),
- ph = renddesc.get_ph();
- const Vector size(softness,softness);
-
- RendDesc workdesc(renddesc);
- Surface worksurface;
- etl::surface<float> blurred;
-
- //callbacks depend on how long the blur takes
- if(size[0] || size[1])
- {
- if(type == Blur::DISC)
- {
- stageone = SuperCallback(cb,0,5000,10000);
- stagetwo = SuperCallback(cb,5000,10000,10000);
- }
- else
- {
- stageone = SuperCallback(cb,0,9000,10000);
- stagetwo = SuperCallback(cb,9000,10000,10000);
- }
- }
- else
- {
- stageone = SuperCallback(cb,0,9999,10000);
- stagetwo = SuperCallback(cb,9999,10000,10000);
- }
-
- //expand the working surface to accommodate the blur
-
- //the expanded size = 1/2 the size in each direction rounded up
- int halfsizex = (int) (abs(size[0]*.5/pw) + 3),
- halfsizey = (int) (abs(size[1]*.5/ph) + 3);
-
- int offset_u(round_to_int(offset[0]/pw)),offset_v(round_to_int(offset[1]/ph));
- int offset_w(w+abs(offset_u)*2),offset_h(h+abs(offset_v)*2);
-
- workdesc.set_subwindow(
- -abs(offset_u),
- -abs(offset_v),
- w+abs(offset_u),
- h+abs(offset_v)
- );
-
- //expand by 1/2 size in each direction on either side
- switch(type)
- {
- case Blur::DISC:
- case Blur::BOX:
- case Blur::CROSS:
- {
- workdesc.set_subwindow(-max(1,halfsizex),-max(1,halfsizey),offset_w+2*max(1,halfsizex),offset_h+2*max(1,halfsizey));
- break;
- }
- case Blur::FASTGAUSSIAN:
- {
- if(quality < 4)
- {
- halfsizex*=2;
- halfsizey*=2;
- }
- workdesc.set_subwindow(-max(1,halfsizex),-max(1,halfsizey),offset_w+2*max(1,halfsizex),offset_h+2*max(1,halfsizey));
- break;
- }
- case Blur::GAUSSIAN:
- {
- #define GAUSSIAN_ADJUSTMENT (0.05)
- Real pw = (Real)workdesc.get_w()/(workdesc.get_br()[0]-workdesc.get_tl()[0]);
- Real ph = (Real)workdesc.get_h()/(workdesc.get_br()[1]-workdesc.get_tl()[1]);
-
- pw=pw*pw;
- ph=ph*ph;
-
- halfsizex = (int)(abs(pw)*size[0]*GAUSSIAN_ADJUSTMENT+0.5);
- halfsizey = (int)(abs(ph)*size[1]*GAUSSIAN_ADJUSTMENT+0.5);
-
- halfsizex = (halfsizex + 1)/2;
- halfsizey = (halfsizey + 1)/2;
- workdesc.set_subwindow( -halfsizex, -halfsizey, offset_w+2*halfsizex, offset_h+2*halfsizey );
-
- break;
- }
- }
-
- //render the background onto the expanded surface
- if(!context.accelerated_render(&worksurface,quality,workdesc,&stageone))
- return false;
-
- // Copy over the alpha
- blurred.set_wh(worksurface.get_w(),worksurface.get_h());
- if(!use_luma)
- {
- for(int j=0;j<worksurface.get_h();j++)
- for(int i=0;i<worksurface.get_w();i++)
- {
- blurred[j][i]=worksurface[j][i].get_a();
- }
- }
- else
- {
- for(int j=0;j<worksurface.get_h();j++)
- for(int i=0;i<worksurface.get_w();i++)
- {
- blurred[j][i]=worksurface[j][i].get_a()*worksurface[j][i].get_y();
- }
- }
-
- //blur the image
- Blur(size,type,&stagetwo)(blurred,workdesc.get_br()-workdesc.get_tl(),blurred);
-
- //be sure the surface is of the correct size
- surface->set_wh(renddesc.get_w(),renddesc.get_h());
-
- int u = halfsizex+abs(offset_u), v = halfsizey+abs(offset_v);
- for(y=0;y<renddesc.get_h();y++,v++)
- {
- u = halfsizex+abs(offset_u);
- for(x=0;x<renddesc.get_w();x++,u++)
- {
- Real alpha(0);
- Color shade;
-
- {
- const float u2(offset[0]/pw),v2(offset[1]/ph);
- alpha+=1.0f-blurred.linear_sample(u2+u,v2+v);
- }
- {
- const float u2(-offset[0]/pw),v2(-offset[1]/ph);
- alpha-=1.0f-blurred.linear_sample(u2+u,v2+v);
- }
- {
- const float u2(offset45[0]/pw),v2(offset45[1]/ph);
- alpha+=1.0f-blurred.linear_sample(u2+u,v2+v)*0.5f;
- }
- {
- const float u2(offset45[1]/ph),v2(-offset45[0]/pw);
- alpha+=1.0f-blurred.linear_sample(u2+u,v2+v)*0.5f;
- }
- {
- const float u2(-offset45[0]/pw),v2(-offset45[1]/ph);
- alpha-=1.0f-blurred.linear_sample(u2+u,v2+v)*0.5f;
- }
- {
- const float u2(-offset45[1]/ph),v2(offset45[0]/pw);
- alpha-=1.0f-blurred.linear_sample(u2+u,v2+v)*0.5f;
- }
-
- if(solid)
- {
- alpha/=4.0f;
- alpha+=0.5f;
- shade=Color::blend(color1,color2,alpha,Color::BLEND_STRAIGHT);
- }
- else
- {
- alpha/=2;
- if(alpha>0)
- shade=color1,shade.set_a(shade.get_a()*alpha);
- else
- shade=color2,shade.set_a(shade.get_a()*-alpha);
- }
-
-
-
- if(shade.get_a())
- {
- (*surface)[y][x]=Color::blend(shade,worksurface[v][u],get_amount(),get_blend_method());
- }
- else (*surface)[y][x] = worksurface[v][u];
- }
- }
-
- if(cb && !cb->amount_complete(10000,10000))
- {
- //if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
-
- return true;
-}
-
-Layer::Vocab
-Layer_Bevel::get_param_vocab(void)const
-{
- Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
- ret.push_back(ParamDesc("type")
- .set_local_name(_("Type"))
- .set_description(_("Type of blur to use"))
- .set_hint("enum")
- .add_enum_value(Blur::BOX,"box",_("Box Blur"))
- .add_enum_value(Blur::FASTGAUSSIAN,"fastgaussian",_("Fast Gaussian Blur"))
- .add_enum_value(Blur::CROSS,"cross",_("Cross-Hatch Blur"))
- .add_enum_value(Blur::GAUSSIAN,"gaussian",_("Gaussian Blur"))
- .add_enum_value(Blur::DISC,"disc",_("Disc Blur"))
- );
-
- ret.push_back(ParamDesc("color1")
- .set_local_name(_("Hi-Color"))
- );
- ret.push_back(ParamDesc("color2")
- .set_local_name(_("Lo-Color"))
- );
- ret.push_back(ParamDesc("angle")
- .set_local_name(_("Light Angle"))
- );
- ret.push_back(ParamDesc("depth")
- .set_is_distance()
- .set_local_name(_("Depth of Bevel"))
- );
- ret.push_back(ParamDesc("softness")
- .set_is_distance()
- .set_local_name(_("Softness"))
- );
- ret.push_back(ParamDesc("use_luma")
- .set_local_name(_("Use Luma"))
- );
- ret.push_back(ParamDesc("solid")
- .set_local_name(_("Solid"))
- );
-
- return ret;
-}
-
-Rect
-Layer_Bevel::get_full_bounding_rect(Context context)const
-{
- if(is_disabled())
- return context.get_full_bounding_rect();
-
- Rect under(context.get_full_bounding_rect());
-
- if(Color::is_onto(get_blend_method()))
- return under;
-
- Rect bounds(under.expand(softness));
- bounds.expand_x(abs(depth));
- bounds.expand_y(abs(depth));
-
- return bounds;
-}
projects / synfig.git / blobdiff