/* === S Y N F I G ========================================================= */
/*! \file rectangle.cpp
-** \point2ief Template Header
+** \brief Implementation of the "Rectangle" layer
**
-** $Id: rectangle.cpp,v 1.2 2005/01/24 03:08:17 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2007, 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
SYNFIG_LAYER_INIT(Rectangle);
SYNFIG_LAYER_SET_NAME(Rectangle,"rectangle");
-SYNFIG_LAYER_SET_LOCAL_NAME(Rectangle,_("Rectangle"));
-SYNFIG_LAYER_SET_CATEGORY(Rectangle,_("Geometry"));
+SYNFIG_LAYER_SET_LOCAL_NAME(Rectangle,N_("Rectangle"));
+SYNFIG_LAYER_SET_CATEGORY(Rectangle,N_("Geometry"));
SYNFIG_LAYER_SET_VERSION(Rectangle,"0.2");
-SYNFIG_LAYER_SET_CVS_ID(Rectangle,"$Id: rectangle.cpp,v 1.2 2005/01/24 03:08:17 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(Rectangle,"$Id$");
/* === P R O C E D U R E S ================================================= */
invert(false)
{
}
-
+
bool
Rectangle::set_param(const String & param, const ValueBase &value)
{
- 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(point1);
IMPORT(point2);
IMPORT(expand);
IMPORT(invert);
-
+
return Layer_Composite::set_param(param,value);
}
EXPORT_NAME();
EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
+
+ return Layer_Composite::get_param(param);
}
Layer::Vocab
Rectangle::get_param_vocab()const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
+
ret.push_back(ParamDesc("color")
.set_local_name(_("Color"))
);
.set_local_name(_("Point 1"))
.set_box("point2")
);
-
+
ret.push_back(ParamDesc("point2")
.set_local_name(_("Point 2"))
);
.set_is_distance()
.set_local_name(_("Expand amount"))
);
-
+
ret.push_back(ParamDesc("invert")
.set_local_name(_("Invert the rectangle"))
);
min[1]=std::min(point1[1],point2[1])-expand;
bool intersect(false);
-
+
if( pos[0]<max[0] && pos[0]>min[0] &&
pos[1]<max[1] && pos[1]>min[1] )
{
if(invert)
intersect=!intersect;
-
+
if(intersect)
{
synfig::Layer::Handle tmp;
return context.hit_check(pos);
}
+bool
+Rectangle::is_solid_color()const
+{
+ return Layer_Composite::is_solid_color() ||
+ (get_blend_method() == Color::BLEND_COMPOSITE &&
+ get_amount() == 1.0f &&
+ color.get_a() == 1.0f);
+}
+
Color
Rectangle::get_color(Context context, const Point &pos)const
{
max[1]=std::max(point1[1],point2[1])+expand;
min[0]=std::min(point1[0],point2[0])-expand;
min[1]=std::min(point1[1],point2[1])-expand;
-
+
/**************************
// This is darco's old-old-old feathered box code
-// it produces really nice feathered edges
+// it produces really nice feathered edges
if(feather!=0.0)
{
if( pos[0]<=max[0]-feather/2.0 && pos[0]>=min[0]+feather/2.0 &&
Color::unit alpha=1000000;
Color::unit alpha2=1000000;
-
+
if(max[0]-pos[0]+feather/2.0<alpha)
alpha=max[0]-pos[0]+feather/2.0;
if(pos[0]-min[0]+feather/2.0<alpha)
alpha=pos[0]-min[0]+feather/2.0;
-
+
if(max[1]-pos[1]+feather/2.0<alpha2)
alpha2=max[1]-pos[1]+feather/2.0;
if(pos[1]-min[1]+feather/2.0<alpha2)
alpha2=feather-alpha2;
alpha=sqrt(alpha*alpha+alpha2*alpha2);
-
+
if(alpha>=feather)
{
if(invert)
return Color::blend(color,context.get_color(pos),alpha,get_blend_method());
}
-
+
*****************/
if( pos[0]<max[0] && pos[0]>min[0] &&
return color;
else
return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
-
+
}
}
bool
Rectangle::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
+{
if(is_disabled())
return context.accelerated_render(surface,quality,renddesc,cb);
const Real ph = (br[1] - tl[1]) / h;
Point max(point1),min(point2);
-
-
-
-
+
+
+
+
/*
-
+
if(invert)
{
max=context.get_bounding_rect().get_max();
min=context.get_full_bounding_rect().get_min();
}
*/
-
-
-
-
-
+
+
+
+
+
if((min[0] > max[0]) ^ (pw < 0))swap(min[0],max[0]);
if((min[1] > max[1]) ^ (ph < 0))swap(min[1],max[1]);
-
+
if(min[0] > max[0])
{
min[0]+=expand;
min[1]-=expand;
max[1]+=expand;
}
-
+
if(invert)
{
int left(floor_to_int((min[0]-tl[0])/pw));
int right(ceil_to_int((max[0]-tl[0])/pw));
int top(floor_to_int((min[1]-tl[1])/ph));
int bottom(ceil_to_int((max[1]-tl[1])/ph));
-
+
float left_edge((min[0]-tl[0])/pw-float(left));
float right_edge(float(right)-(max[0]-tl[0])/pw);
float top_edge((min[1]-tl[1])/ph-float(top));
float bottom_edge(float(bottom)-(max[1]-tl[1])/ph);
-
+
if(top<0)top=0,top_edge=0;
if(left<0)left=0,left_edge=0;
if(bottom>h)bottom=h,bottom_edge=0;
if(right>w)right=w,right_edge=0;
-
+
if(is_solid_color())
{
Surface subimage;
RendDesc desc(renddesc);
desc.set_flags(0);
-
+
//fill the surface with the background color initially
surface->set_wh(w,h);
surface->fill(color);
-
+
// Check for the case where there is nothing to render
- if(right-left<=0||bottom-top<=0)
+ if (right <= left || bottom <= top)
return true;
-
+
desc.set_subwindow(left,top,right-left,bottom-top);
-
+
// Render what is behind us
if(!context.accelerated_render(&subimage,quality,desc,cb))
{
if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
return false;
}
-
+
Surface::pen pen(surface->get_pen(left,top));
-
+
subimage.blit_to(pen);
}
else
if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
return false;
}
+
Surface subimage;
- // Check for the case where there is nothing to render
- if(!(right-left<=0||bottom-top<=0))
+ // Check for the case where there is something to render
+ if (right > left && bottom > top)
{
+ // save a copy of the overlapping region from surface into subimage
subimage.set_wh(right-left,bottom-top);
Surface::pen subimage_pen(subimage.begin());
surface->blit_to(subimage_pen,left,top,right-left,bottom-top);
}
+ // fill surface with the rectangle's color
Surface::alpha_pen surface_pen(surface->begin(),get_amount(),get_blend_method());
-
surface->fill(color,surface_pen,w,h);
- if(subimage)
+ if (subimage)
{
+ // copy the saved overlapping region back from subimage into surface
Surface::pen pen(surface->get_pen(left,top));
subimage.blit_to(pen);
}
+ else
+ // if there's no overlapping region, return now of the following code corrupts memory
+ return true;
}
Surface::alpha_pen pen;
pen=Surface::alpha_pen(surface->get_pen(left,bottom-1),get_amount()*bottom_edge,get_blend_method());
surface->fill(color,pen,right-left,1);
}
-
+
if(right-1>=0 && right_edge)
{
pen=Surface::alpha_pen(surface->get_pen(right-1,top),get_amount()*right_edge,get_blend_method());
surface->fill(color,pen,1,bottom-top);
}
-
+
if(left>=0 && left_edge)
{
pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount()*left_edge,get_blend_method());
surface->fill(color,pen,1,bottom-top);
}
-
+
if(top>=0 && top_edge)
{
pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount()*top_edge,get_blend_method());
surface->fill(color,pen,right-left,1);
}
-
+
return true;
}
- // Render what is behind us
- if(!context.accelerated_render(surface,quality,renddesc,cb))
- {
- if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
- return false;
- }
+ // not inverted
int left(ceil_to_int((min[0]-tl[0])/pw));
int right(floor_to_int((max[0]-tl[0])/pw));
float right_edge((max[0]-tl[0])/pw-float(right));
float top_edge(float(top)-(min[1]-tl[1])/ph);
float bottom_edge((max[1]-tl[1])/ph-float(bottom));
-
+
if(top<=0)top=0,top_edge=0;
if(left<=0)left=0,left_edge=0;
if(bottom>=h)bottom=h,bottom_edge=0;
bottom = std::min(h,bottom);
right = std::min(w,right);
*/
-
- Surface::alpha_pen pen;
+
+ // optimization - if the whole tile is covered by this rectangle,
+ // and the rectangle is a solid color, we don't need to render
+ // what's behind us
+ if (is_solid_color() && top == 0 && left == 0 && bottom == h && right == w)
+ {
+ surface->set_wh(w,h);
+ surface->fill(color);
+ return true;
+ }
+
+ // Render what is behind us
+ if(!context.accelerated_render(surface,quality,renddesc,cb))
+ {
+ if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+ return false;
+ }
// In the case where there is nothing to render...
- if(right-left<0||bottom-top<0)
+ if (right < left || bottom < top)
return true;
-
+
+ Surface::alpha_pen pen;
+
if(right-left>0&&bottom-top>0)
{
if(is_solid_color())
surface->fill(color,left,top,right-left,bottom-top);
else
- {
+ {
pen=Surface::alpha_pen(surface->get_pen(left,top),get_amount(),get_blend_method());
surface->fill(color,pen,right-left,bottom-top);
}
}
-
+
if(bottom<surface->get_h() && bottom_edge>=0.0001)
{
pen=Surface::alpha_pen(surface->get_pen(left,bottom),get_amount()*bottom_edge,get_blend_method());
pen=Surface::alpha_pen(surface->get_pen(right,top),get_amount()*right_edge,get_blend_method());
surface->fill(color,pen,1,bottom-top);
}
-
+
if(left>0 && left_edge>=0.0001)
{
pen=Surface::alpha_pen(surface->get_pen(left-1,top),get_amount()*left_edge,get_blend_method());
if(invert)
return Rect::full_plane();
- Point max(point1),min(point2);
+ Point max(point1),min(point2);
if((min[0] > max[0]))swap(min[0],max[0]);
- if((min[1] > max[1]))swap(min[1],max[1]);
+ if((min[1] > max[1]))swap(min[1],max[1]);
if(min[0] > max[0])
{
min[0]+=expand;
{
if(is_solid_color() && color.get_a()==0)
{
- Point max(point1),min(point2);
+ Point max(point1),min(point2);
if((min[0] > max[0]))swap(min[0],max[0]);
- if((min[1] > max[1]))swap(min[1],max[1]);
+ if((min[1] > max[1]))swap(min[1],max[1]);
if(min[0] > max[0])
{
min[0]+=expand;
return bounds & context.get_full_bounding_rect();
}
- return Rect::full_plane();
+ return Rect::full_plane();
}
return Layer_Composite::get_full_bounding_rect(context);
projects / synfig.git / blobdiff