X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_04%2Fsynfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fshade.cpp;fp=synfig-core%2Ftags%2Fsynfig_0_61_04%2Fsynfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fshade.cpp;h=7b53479b5582f5385b78a4233bf6621a120fc2dc;hb=f64373f72487d6aa502d9bde985b8a2d5519f099;hp=0000000000000000000000000000000000000000;hpb=ad81c2528eb79c7500e65fd15a9f66375f75d121;p=synfig.git

diff --git a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/lyr_std/shade.cpp b/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/lyr_std/shade.cpp
new file mode 100644
index 0000000..7b53479
--- /dev/null
+++ b/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/lyr_std/shade.cpp
@@ -0,0 +1,423 @@
+/* === S Y N F I G ========================================================= */
+/*!	\file shade.cpp
+**	\brief Template Header
+**
+**	$Id: shade.cpp,v 1.2 2005/01/24 03:08:17 darco Exp $
+**
+**	\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 "shade.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_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_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 $");
+
+/* -- 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_Shade::Layer_Shade():
+	Layer_Composite	(0.75,Color::BLEND_BEHIND),
+	size(0.1,0.1),
+	type(Blur::FASTGAUSSIAN),
+	color(Color::black()),
+	offset(0.2,-0.2),
+	invert(false)
+{
+}
+
+bool
+Layer_Shade::set_param(const String &param, const ValueBase &value)
+{
+	IMPORT_PLUS(size,clamp(size));
+	IMPORT(type);
+	IMPORT(color);
+	IMPORT(offset);
+	IMPORT(invert);
+	
+	return Layer_Composite::set_param(param,value);
+}
+
+ValueBase
+Layer_Shade::get_param(const String &param)const
+{
+	EXPORT(size);
+	EXPORT(type);
+	EXPORT(color);
+	EXPORT(offset);
+	EXPORT(invert);
+	
+	EXPORT_NAME();
+	EXPORT_VERSION();
+		
+	return Layer_Composite::get_param(param);	
+}
+
+Color
+Layer_Shade::get_color(Context context, const Point &pos)const
+{
+	Point blurpos = Blur(size,type)(pos);
+
+	if(get_amount()==0.0)
+		return context.get_color(pos);
+	
+	Color shade(color);
+
+	if(!invert)
+		shade.set_a(context.get_color(blurpos-offset).get_a());
+	else
+		shade.set_a(1.0f-context.get_color(blurpos-offset).get_a());
+
+	return Color::blend(shade,context.get_color(pos),get_amount(),get_blend_method());
+}
+
+bool
+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);
+
+	int offset_u(-round_to_int(offset[0]/pw)),offset_v(-round_to_int(offset[1]/ph));
+
+	int offset_w(w+abs(offset_u)),offset_h(h+abs(offset_v));
+
+	workdesc.set_subwindow(
+		offset_u<0?offset_u:0,
+		offset_v<0?offset_v:0,
+		(offset_u>0?offset_u:0)+w,
+		(offset_v>0?offset_v:0)+h
+	);
+
+	/*
+	if(quality >=10)
+	{
+		halfsizex=1;
+		halfsizey=1;
+	}else
+	*/
+	if(quality == 9)
+	{
+		halfsizex/=4;
+		halfsizey/=4;
+	}
+	
+	//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;
+		}
+	}
+#define SCALE_FACTOR	(64.0)
+	if(/*quality>9 || */size[0]<=pw*SCALE_FACTOR)
+	{
+		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);	
+			}
+			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);	
+		}
+
+
+
+		//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++)
+			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);
+		
+		//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++)
+		{
+			u = halfsizex-(offset_u<0?offset_u:0);
+			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 (*surface)[y][x] = worksurface[v][u];
+			}
+		}
+	}
+	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);	
+			}
+			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);	
+		}
+
+		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);
+
+		//render the blur fodder
+		if(!context.accelerated_render(&worksurface,quality,workdesc,&stageone))
+			return false;
+
+		//render the background
+		if(!context.accelerated_render(surface,quality,renddesc,&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++)
+			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);
+
+
+		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++)
+		{
+			u = halfsizex-(offset_u<0?offset_u:0);
+			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
+{
+	Layer::Vocab ret(Layer_Composite::get_param_vocab());
+
+	ret.push_back(ParamDesc("color")
+		.set_local_name(_("Color"))
+	);
+	ret.push_back(ParamDesc("offset")
+		.set_local_name(_("Offset"))
+	);
+	ret.push_back(ParamDesc("size")
+		.set_local_name(_("Size"))
+		.set_description(_("Size of Shade"))
+		.set_is_distance()
+		.set_origin("offset")
+	);
+	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("invert")
+		.set_local_name(_("Invert"))
+	);
+	
+	return ret;
+}
+
+Rect
+Layer_Shade::get_full_bounding_rect(Context context)const
+{
+	if(is_disabled())
+		return context.get_full_bounding_rect();
+
+	if(invert)
+		return Rect::full_plane();
+
+	Rect under(context.get_full_bounding_rect());
+
+	if(Color::is_onto(get_blend_method()))
+		return under;
+
+	Rect bounds((under+offset).expand_x(size[0]).expand_y(size[1]));
+
+	if(is_solid_color())
+		return bounds;
+		
+	return bounds|under;
+}