/* === S Y N F I G ========================================================= */
/*! \file shade.cpp
-** \brief Template Header
+** \brief Implementation of the "Shade" layer
**
-** $Id: shade.cpp,v 1.2 2005/01/24 03:08:17 darco Exp $
+** $Id$
**
** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** 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.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** 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
*/
/* ========================================================================= */
/*#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
*/
SYNFIG_LAYER_INIT(Layer_Shade);
SYNFIG_LAYER_SET_NAME(Layer_Shade,"shade");
-SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Shade,_("Shade"));
-SYNFIG_LAYER_SET_CATEGORY(Layer_Shade,_("Stylize"));
+SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Shade,N_("Shade"));
+SYNFIG_LAYER_SET_CATEGORY(Layer_Shade,N_("Stylize"));
SYNFIG_LAYER_SET_VERSION(Layer_Shade,"0.2");
-SYNFIG_LAYER_SET_CVS_ID(Layer_Shade,"$Id: shade.cpp,v 1.2 2005/01/24 03:08:17 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(Layer_Shade,"$Id$");
/* -- F U N C T I O N S ----------------------------------------------------- */
{
IMPORT_PLUS(size,clamp(size));
IMPORT(type);
- IMPORT(color);
+ 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(offset);
IMPORT(invert);
-
+
return Layer_Composite::set_param(param,value);
}
EXPORT(color);
EXPORT(offset);
EXPORT(invert);
-
+
EXPORT_NAME();
EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
+
+ return Layer_Composite::get_param(param);
}
Color
if(get_amount()==0.0)
return context.get_color(pos);
-
+
Color shade(color);
if(!invert)
Layer_Shade::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
{
int x,y;
-
+
const int w = renddesc.get_w(),
h = renddesc.get_h();
const Real pw = renddesc.get_pw(),
ph = renddesc.get_ph();
-
+
RendDesc workdesc(renddesc);
Surface worksurface;
etl::surface<float> blurred;
-
+
//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);
(offset_v>0?offset_v:0)+h
);
- /*
- if(quality >=10)
+ if(quality >= 10)
{
halfsizex=1;
halfsizey=1;
- }else
- */
- if(quality == 9)
+ }
+ else if (quality == 9)
{
halfsizex/=4;
halfsizey/=4;
}
-
+
//expand by 1/2 size in each direction on either side
switch(type)
{
#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 = (halfsizex + 1)/2;
halfsizey = (halfsizey + 1)/2;
workdesc.set_subwindow( -halfsizex, -halfsizey, offset_w+2*halfsizex, offset_h+2*halfsizey );
-
+
break;
}
}
{
SuperCallback stageone(cb,0,5000,10000);
SuperCallback stagetwo(cb,5000,10000,10000);
-
+
//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);
+ stagetwo = SuperCallback(cb,5000,10000,10000);
}
else
{
stageone = SuperCallback(cb,0,9000,10000);
- stagetwo = SuperCallback(cb,9000,10000,10000);
+ stagetwo = SuperCallback(cb,9000,10000,10000);
}
}
else
{
stageone = SuperCallback(cb,0,9999,10000);
- stagetwo = SuperCallback(cb,9999,10000,10000);
+ stagetwo = SuperCallback(cb,9999,10000,10000);
}
//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());
for(int j=0;j<worksurface.get_h();j++)
{
blurred[j][i]=worksurface[j][i].get_a();
}
-
+
//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-(offset_u<0?offset_u:0), v = halfsizey-(offset_v<0?offset_v:0);
for(y=0;y<renddesc.get_h();y++,v++)
{
for(x=0;x<renddesc.get_w();x++,u++)
{
Color a(color);
-
+
if(!invert)
a.set_a(blurred.linear_sample(offset_u+(float)u,offset_v+(float)v));
else
a.set_a(1.0f-blurred.linear_sample(offset_u+(float)u,offset_v+(float)v));
-
+
if(a.get_a() || get_blend_method()==Color::BLEND_STRAIGHT)
{
(*surface)[y][x]=Color::blend(a,worksurface[v][u],get_amount(),get_blend_method());
}
else
{
-
+
SuperCallback stageone(cb,0,5000,10000);
SuperCallback stagetwo(cb,5000,10000,10000);
-
+
//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);
+ stagetwo = SuperCallback(cb,5000,10000,10000);
}
else
{
stageone = SuperCallback(cb,0,9000,10000);
- stagetwo = SuperCallback(cb,9000,10000,10000);
+ stagetwo = SuperCallback(cb,9000,10000,10000);
}
}
else
{
stageone = SuperCallback(cb,0,9999,10000);
- stagetwo = SuperCallback(cb,9999,10000,10000);
+ stagetwo = SuperCallback(cb,9999,10000,10000);
}
int fw(floor_to_int(abs(size[0]/(pw*SCALE_FACTOR)))+1);
int fh(floor_to_int(abs(size[1]/(ph*SCALE_FACTOR)))+1);
int tmpw(round_to_int((float)workdesc.get_w()/fw)),tmph(round_to_int((float)workdesc.get_h()/fh));
-
+
workdesc.clear_flags();
workdesc.set_wh(tmpw,tmph);
//synfig::info("fw: %d, fh: %d",fw,fh);
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();
-
+
//blur the image
Blur(size,type,&stagetwo)(blurred,workdesc.get_br()-workdesc.get_tl(),blurred);
for(x=0;x<renddesc.get_w();x++,u++)
{
Color a(color);
-
+
if(!invert)
a.set_a(blurred.linear_sample(((float)offset_u+(float)u)/(float)fw,((float)offset_v+(float)v)/(float)fh));
else
a.set_a(1.0f-blurred.linear_sample(((float)offset_u+(float)u)/fw,((float)offset_v+(float)v)/(float)fh));
-
+
if(a.get_a() || get_blend_method()==Color::BLEND_STRAIGHT)
{
(*surface)[y][x]=Color::blend(a,(*surface)[y][x],get_amount(),get_blend_method());
}
}
}
-
-
+
+
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_Shade::get_param_vocab(void)const
{
.add_enum_value(Blur::GAUSSIAN,"gaussian",_("Gaussian Blur"))
.add_enum_value(Blur::DISC,"disc",_("Disc Blur"))
);
-
+
ret.push_back(ParamDesc("invert")
.set_local_name(_("Invert"))
);
-
+
return ret;
}
if(is_solid_color())
return bounds;
-
+
return bounds|under;
}
projects / synfig.git / blobdiff