--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file filledrect.cpp
+** \brief Implementation of the "Rectangle" 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 <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 "filledrect.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(FilledRect);
+SYNFIG_LAYER_SET_NAME(FilledRect,"filled_rectangle");
+SYNFIG_LAYER_SET_LOCAL_NAME(FilledRect,N_("Filled Rectangle"));
+SYNFIG_LAYER_SET_CATEGORY(FilledRect,N_("Example"));
+SYNFIG_LAYER_SET_VERSION(FilledRect,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(FilledRect,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+/* === E N T R Y P O I N T ================================================= */
+
+FilledRect::FilledRect():
+ Layer_Composite(1.0,Color::BLEND_STRAIGHT),
+ color(Color::black()),
+ point1(0,0),
+ point2(1,1),
+ feather_x(0),
+ feather_y(0),
+ bevel(0),
+ bevCircle(0)
+{
+}
+
+bool
+FilledRect::set_param(const String & param, const ValueBase &value)
+{
+ IMPORT(color);
+ IMPORT(point1);
+ IMPORT(point2);
+ IMPORT_PLUS(feather_x, if(feather_x<0)feather_x=0;);
+ IMPORT_PLUS(feather_y, if(feather_y<0)feather_y=0;);
+ IMPORT(bevel);
+ IMPORT(bevCircle);
+
+ return Layer_Composite::set_param(param,value);
+}
+
+ValueBase
+FilledRect::get_param(const String ¶m)const
+{
+ EXPORT(color);
+ EXPORT(point1);
+ EXPORT(point2);
+ EXPORT(feather_x);
+ EXPORT(feather_y);
+ EXPORT(bevel);
+ EXPORT(bevCircle);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ return Layer_Composite::get_param(param);
+}
+
+Layer::Vocab
+FilledRect::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("feather_x")
+ .set_local_name(_("Feather X"))
+ );
+
+ ret.push_back(ParamDesc("feather_y")
+ .set_local_name(_("Feather Y"))
+ );
+
+ ret.push_back(ParamDesc("bevel")
+ .set_local_name(_("Bevel"))
+ );
+
+ ret.push_back(ParamDesc("bevCircle")
+ .set_local_name(_("Keep Bevel Circular"))
+ );
+
+ return ret;
+}
+
+synfig::Layer::Handle
+FilledRect::hit_check(synfig::Context context, const synfig::Point &point)const
+{
+ Color clr;
+ Real amt;
+
+ if (!get_color(point,clr,amt))
+ return context.hit_check(point);
+
+ 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()) && !(context.hit_check(point)))
+ return 0;
+
+ return const_cast<FilledRect*>(this);
+}
+
+bool
+FilledRect::get_color(const Point &pos, Color &out, Real &outamount) const
+{
+ Point p[2] = {point1,point2};
+ Real swap;
+
+ if(p[0][0] > p[1][0])
+ {
+ swap = p[0][0];
+ p[0][0] = p[1][0];
+ p[1][0] = swap;
+ }
+
+ if(p[0][1] > p[1][1])
+ {
+ swap = p[0][1];
+ p[0][1] = p[1][1];
+ p[1][1] = swap;
+ }
+
+ /*
+ p[0][0] -= feather_x;
+ p[1][0] += feather_x;
+ p[0][1] -= feather_y;
+ p[1][1] += feather_y;*/
+ const Real w = p[1][0] - p[0][0];
+ const Real h = p[1][1] - p[0][1];
+
+ if(pos[0] >= p[0][0] && pos[0] <= p[1][0] && pos[1] >= p[0][1] && pos[1] <= p[1][1])
+ {
+ Real value = 1;
+
+ if(feather_x > 0)
+ {
+ Real xdist = pos[0] - p[0][0];
+ xdist = min(xdist,p[1][0]-pos[0]);
+
+ if(xdist < feather_x)
+ {
+ value = xdist/feather_x;
+ }
+ }
+
+ if(feather_y > 0)
+ {
+ Real ydist = pos[1]-p[0][1];
+ ydist = min(ydist,p[1][1]-pos[1]);
+
+ if(ydist < feather_y)
+ {
+ value = min(value,(ydist/feather_y));
+ }
+ }
+
+ //if we're beveled then check with ellipse code...
+ if(bevel > 0)
+ {
+ const Real bev = (bevel > 1) ? 1 : bevel;
+ const Real bevx = bevCircle ? min(w*bev/2,h*bev/2) : w*bev/2;
+ const Real bevy = bevCircle ? min(w*bev/2,h*bev/2) : h*bev/2;;
+
+ Vector v(0,0);
+ bool in = false;
+
+ //based on which quarter it is in (and because it's x/y symmetric) get a positive vector (x/y)
+ if(pos[0] < p[0][0] + bevx)
+ {
+ if(pos[1] < p[0][1] + bevy)
+ {
+ v[0] = p[0][0] + bevx - pos[0];
+ v[1] = p[0][1] + bevy - pos[1];
+ in = true;
+ }else if(pos[1] > p[1][1] - bevy)
+ {
+ v[0] = p[0][0] + bevx - pos[0];
+ v[1] = pos[1] - (p[1][1] - bevy);
+ in = true;
+ }
+ }
+ else if(pos[0] > p[1][0] - bevx)
+ {
+ if(pos[1] < p[0][1] + bevy)
+ {
+ v[0] = pos[0] - (p[1][0] - bevx);
+ v[1] = p[0][1] + bevy - pos[1];
+ in = true;
+ }else if(pos[1] > p[1][1] - bevy)
+ {
+ v[0] = pos[0] - (p[1][0] - bevx);
+ v[1] = pos[1] - (p[1][1] - bevy);
+ in = true;
+ }
+ }
+
+ //if it's inside a bevelled block
+ if(in)
+ {
+ const Vector scale(bevx,bevy);
+
+ Vector vc(v[0]/scale[0],v[1]/scale[1]);
+ Real d = vc.mag();
+
+ //if it's inside the ellipse
+ if(d < 1)
+ {
+ Real val = atan2(vc[1],vc[0]);
+ val /= (PI/2); //< will always be (0,pi/2) because both components are positive
+
+ Real fthx=1,fthy=1;
+
+ //change d into distance away from edge
+ d = 1 - d;
+
+ if(feather_x > 0)
+ {
+ if(scale[0] < feather_x)
+ {
+ fthy = scale[0]/feather_x;
+ }
+
+ if(d*scale[0] < feather_x)
+ {
+ fthx = d*scale[0]/feather_x;
+ }
+ }
+
+ if(feather_y > 0)
+ {
+ if(scale[1] < feather_y)
+ {
+ fthx = min(fthx,scale[1]/feather_y);
+ }
+
+ if(d*scale[1] < feather_y)
+ {
+ fthy = min(fthy,d*scale[1]/feather_y);
+ }
+ }
+
+ //interpolate
+ outamount = min(value,((1-val)*fthx + val*fthy)) * get_amount();
+ out = color;
+ return true;
+
+ }else return false;
+ }
+ }
+
+ outamount = value * get_amount();
+ out = color;
+
+ return true;
+ }else
+ return false;
+}
+
+Color
+FilledRect::get_color(Context context, const Point &pos)const
+{
+ Color clr;
+ Real amt;
+
+ if(get_color(pos,clr,amt))
+ {
+ if(amt==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ return clr;
+ else
+ return Color::blend(clr,context.get_color(pos),amt,get_blend_method());
+ }
+ else
+ return context.get_color(pos);
+}
+
+bool
+FilledRect::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+ // Width and Height of a pixel
+ const Point br(renddesc.get_br()), tl(renddesc.get_tl());
+ const int w = renddesc.get_w(), h = renddesc.get_h();
+
+ Real wpp = (br[0]-tl[0])/w;
+ Real hpp = (br[1]-tl[1])/h;
+ //const Real xneg = wpp<0?-1:1;
+ //const Real yneg = hpp<0?-1:1;
+
+ //the bounds of the rectangle
+ Point p[2] = {point1,point2};
+
+ if((p[0][0] > p[1][0]) ^ (wpp < 0))
+ {
+ swap(p[0][0],p[1][0]);
+ }
+
+ if((p[0][1] > p[1][1]) ^ (hpp < 0))
+ {
+ swap(p[0][1],p[1][1]);
+ }
+
+ /*p[0][0] -= xneg*feather_x;
+ p[1][0] += xneg*feather_x;
+ p[0][1] -= yneg*feather_y;
+ p[1][1] += yneg*feather_y;*/
+
+ //the integer coordinates
+ int y_start = (int)((p[0][1] - tl[1])/hpp +.5); //round start up
+ int x_start = (int)((p[0][0] - tl[0])/wpp +.5);
+ int y_end = (int)((p[1][1] - tl[1])/hpp +.5); //and ends up
+ int x_end = (int)((p[1][0] - tl[0])/wpp +.5);
+
+ y_start = max(0,y_start);
+ x_start = max(0,x_start);
+ y_end = min(h,y_end);
+ x_end = min(w,x_end);
+
+ SuperCallback supercb(cb,0,9000,10000);
+
+ if(y_start >= h || x_start > w || x_end < 0 || y_end < 0)
+ {
+ if(!context.accelerated_render(surface,quality,renddesc,&supercb))
+ {
+ if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+ return false;
+ }
+
+ return true;
+ }
+
+ Real xf_start = tl[0] + x_start*wpp;
+ Point pos(xf_start,tl[1] + y_start*hpp);
+
+ Color clr = Color::black();
+ Real amt;
+
+ if(!context.accelerated_render(surface,quality,renddesc,&supercb))
+ {
+ if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+ return false;
+ }
+
+ for(int y = y_start; y < y_end; y++, pos[1] += hpp)
+ {
+ pos[0] = xf_start;
+ for(int x = x_start; x < x_end; x++, pos[0] += wpp)
+ {
+ if(get_color(pos,clr,amt))
+ {
+ if(amt==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ (*surface)[y][x] = clr;
+ else
+ (*surface)[y][x] = Color::blend(clr,(*surface)[y][x],amt,get_blend_method());
+ }
+ }
+ }
+
+ return true;
+
+#if 0
+ //faster version but much more complex
+ //the floating point
+ Real y1,y2,y3;
+ Real x1,x2,x3;
+ Real dx1,dx2; //reversed in 3rd y section, not used in 2nd
+
+ //the transparent
+ Real fx = 0, fy = 0;
+ Real dfx,dfy;
+
+ //Get the slopes of the lines we need to worry about
+ if(feather_x)
+ {
+ dfx = 1/(fxsize);
+
+ if(fxsize*2 > xfw)
+ {
+ x1 = xfw/2;
+ x2 = 0;
+ x3 = xfw;
+ }else
+ {
+ x1 = fxsize;
+ x2 = xfw - fxsize;
+ x3 = xfw;
+ }
+ }else
+ {
+ fx = 1;
+ dfx = 0;
+ x1=0;
+ x2=xfw;
+ x3=0;
+ }
+
+ if(feather_y)
+ {
+ dfy = 1/(fysize);
+
+ if(fysize*2 > yfh)
+ {
+ y1 = yfh/2;
+ y2 = 0;
+ y3 = yfh;
+ }else
+ {
+ y1 = fysize;
+ y2 = yfh - fysize;
+ y3 = yfh;
+ }
+
+ dx1 = ph*feather_x/feather_y;
+ dx2 = -2*dx1;
+
+ }else
+ {
+ fy = 1;
+ dfy = 0;
+ y1=0;
+ y2=yfh;
+ y3=0;
+ }
+
+ fy = yf*dfy;
+
+ int x,y;
+ Real value = 0;
+ SuperCallback supercb(cb,0,9000,10000);
+ Surface::pen p;
+
+ Real tx1 = 0,tx2 =
+ for(y = y_start;yf < y1; y++,yf++,fy+=dfy, tx1+=dx1)
+ {
+ fx = xf*dfx;
+
+ p = surface->get_pen(x_start,y);
+ for(; xf < x1; xf++,p.inc_x(), fx+=dfx)
+ {
+ //we are in the x portion... use fx
+ value = fx*get_amount();
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+
+ for(;xf < x2; xf++,p.inc_x())
+ {
+ //we are now in y... use fy
+ value = fy*get_amount();
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+
+ fx = xfw?(xfw - xf)/xfw:1;
+ for(;xf < x3 && ; xf++,p.inc_x(), fx-=dfx)
+ {
+ //we are in the x portion... use fx
+ value = max(0,fx*get_amount());
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+ }
+
+ x1 =
+ for(;fy < 1.0; y++,yf++,fy+=dfy)
+ {
+ fx = xf*dfx;
+
+ p = surface->get_pen(x_start,y);
+ for(; xf < x1; xf++,p.inc_x(), fx+=dfx)
+ {
+ //we are in the x portion... use fx
+ value = fx*get_amount();
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+
+ for(;xf < x2; xf++,p.inc_x())
+ {
+ //we are now in y... use fy
+ value = fy*get_amount();
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+
+ fx = xfw?(xfw - xf)/xfw:1;
+ for(;xf < x3 && ; xf++,p.inc_x(), fx-=dfx)
+ {
+ //we are in the x portion... use fx
+ value = max(0,fx*get_amount());
+ if(value==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ p.put_value(color);
+ else
+ p.put_value(Color::blend(color,p.get_value(),value,get_blend_method()));
+ }
+ }
+
+ for()
+ {
+ for(int x = x_start; x < x_end; x++)
+ {
+
+ }
+ }
+
+#endif
+
+ // Mark our progress as finished
+ if(cb && !cb->amount_complete(10000,10000))
+ return false;
+
+ return true;
+}
projects / synfig.git / blobdiff