--- /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