X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fbevel.cpp;fp=synfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fbevel.cpp;h=dacf2705ae6e67602b71d79bd37c2d9e050334ac;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/src/modules/lyr_std/bevel.cpp b/synfig-core/src/modules/lyr_std/bevel.cpp new file mode 100644 index 0000000..dacf270 --- /dev/null +++ b/synfig-core/src/modules/lyr_std/bevel.cpp @@ -0,0 +1,409 @@ +/* === 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 +#endif + +#include "bevel.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#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 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;jset_wh(renddesc.get_w(),renddesc.get_h()); + + int u = halfsizex+abs(offset_u), v = halfsizey+abs(offset_v); + for(y=0;y0) + 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; +}