+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file synfig/renddesc.cpp
-** \brief RendDesc
-**
-** $Id$
-**
-** \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 "renddesc.h"
-#include <ETL/misc>
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-#undef FLAGS
-#define FLAGS(x,y) (((x)&(y))==(y))
-
-/* === G L O B A L S ======================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-RendDesc &
-RendDesc::apply(const RendDesc &x)
-{
- operator=(x);
- return *this;
-}
-
-const Color &
-RendDesc::get_bg_color()const
-{
- return background;
-}
-
-RendDesc &
-RendDesc::set_bg_color(const Color &bg)
-{
- background=bg; return *this;
-}
-
-Real
-RendDesc::get_physical_w()const
-{
- return (Real)get_w()/get_x_res();
-}
-
-Real
-RendDesc::get_physical_h()const
-{
- return (Real)get_h()/get_y_res();
-}
-
-RendDesc&
-RendDesc::set_physical_w(Real w)
-{
- set_w(round_to_int(w*get_x_res()));
- return *this;
-}
-
-RendDesc&
-RendDesc::set_physical_h(Real h)
-{
- set_h(round_to_int(h*get_y_res()));
- return *this;
-}
-
-int
-RendDesc::get_w()const
-{
- return w_;
-}
-
-RendDesc &
-RendDesc::set_w(int x)
-{
- if(FLAGS(flags,LINK_PX_ASPECT)) // never set
- {
- h_=h_*x/w_;
- w_=x;
- }
- else if(FLAGS(flags,LINK_PX_AREA)) // never set
- {
- //! \writeme
- w_=x;
- }
- else if(FLAGS(flags,PX_ASPECT)) // "Pixel Aspect"
- {
- Vector d=br_-tl_;
- float old_span=get_span();
-
- // If we should preserve image width
- if( FLAGS(flags,IM_W) // "Image Width"
- || (FLAGS(flags,IM_ZOOMIN) && d[1]>d[1]/x*w_) // never set
- || (FLAGS(flags,IM_ZOOMOUT) && d[1]<d[1]/x*w_)) // never set
- {
- br_[1]-=focus[1];
- br_[1]=br_[1]/x*w_;
- br_[1]+=focus[1];
- tl_[1]-=focus[1];
- tl_[1]=tl_[1]/x*w_;
- tl_[1]+=focus[1];
- } else
- {
- br_[0]-=focus[0];
- br_[0]=br_[0]/w_*x;
- br_[0]+=focus[0];
- tl_[0]-=focus[0];
- tl_[0]=tl_[0]/w_*x;
- tl_[0]+=focus[0];
- }
-
- w_=x;
-
- if(FLAGS(flags,IM_SPAN)) // "Image Span"
- set_span(old_span);
- }
- else if(FLAGS(flags,PX_AREA)) // never set
- {
- //! \writeme
- w_=x;
- }
- else
- w_=x;
-
- return *this;
-}
-
-int
-RendDesc::get_h()const
-{
- return h_;
-}
-
-RendDesc &
-RendDesc::set_h(int y)
-{
- if(FLAGS(flags,LINK_PX_ASPECT)) // never set
- {
- w_=w_*y/h_;
- h_=y;
- }
- else if(FLAGS(flags,LINK_PX_AREA)) // never set
- {
- //! \writeme
- h_=y;
- }
- else if(FLAGS(flags,PX_ASPECT)) // "Pixel Aspect"
- {
- Vector d=br_-tl_;
- float old_span=get_span();
-
- // If we should preserve image width
- if( FLAGS(flags,IM_W) // "Image Width"
- || (FLAGS(flags,IM_ZOOMIN) && d[0]>d[0]/y*h_) // never set
- || (FLAGS(flags,IM_ZOOMOUT) && d[0]<d[0]/y*h_)) // never set
- {
- br_[0]-=focus[0];
- br_[0]=br_[0]/y*h_;
- br_[0]+=focus[0];
- tl_[0]-=focus[0];
- tl_[0]=tl_[0]/y*h_;
- tl_[0]+=focus[0];
- } else
- {
- br_[1]-=focus[1];
- br_[1]=br_[1]/h_*y;
- br_[1]+=focus[1];
- tl_[1]-=focus[1];
- tl_[1]=tl_[1]/h_*y;
- tl_[1]+=focus[1];
- }
-
- h_=y;
-
- if(FLAGS(flags,IM_SPAN)) // "Image Span"
- set_span(old_span);
- }
- else if(FLAGS(flags,PX_AREA)) // never set
- {
- //! \writeme
- h_=y;
- }
- else
- h_=y;
-
- return *this;
-}
-
-RendDesc &
-RendDesc::set_wh(int x, int y)
-{
- // FIXME: This is a working hack...
- set_w(x);
- set_h(y);
-
- return *this;
-}
-
-Real
-RendDesc::get_x_res()const
-{
- return x_res;
-}
-
-RendDesc &
-RendDesc::set_x_res(Real x)
-{
- x_res=x; return *this;
-}
-
-Real
-RendDesc::get_y_res()const
-{
- return y_res;
-}
-
-RendDesc &
-RendDesc::set_y_res(Real y)
-{
- y_res=y; return *this;
-}
-
-int
-RendDesc::get_frame_start()const
-{
- return round_to_int(time_begin*frame_rate);
-}
-
-RendDesc &
-RendDesc::set_frame_start(int x)
-{
- return set_time_start(Time(x)/frame_rate);
-}
-
-int
-RendDesc::get_frame_end()const
-{
- return round_to_int(time_end*frame_rate);
-}
-
-RendDesc &
-RendDesc::set_frame_end(int x)
-{
- return set_time_end(Time(x)/frame_rate);
-}
-
-
-const Time
-RendDesc::get_time_start()const
-{
- return time_begin;
-}
-
-RendDesc &
-RendDesc::set_time_start(Time x)
-{
- if(x>time_end)
- time_begin=time_end=x;
- else
- time_begin=x;
- return *this;
-}
-
-
-const Time
-RendDesc::get_time_end()const
-{
- return time_end;
-}
-
-RendDesc &
-RendDesc::set_time_end(Time x)
-{
- if(x<time_begin)
- time_end=time_begin=x;
- else
- time_end=x;
- return *this;
-}
-
-RendDesc &
-RendDesc::set_time(Time x)
-{
- time_end=time_begin=x;
- return *this;
-}
-
-RendDesc &
-RendDesc::set_frame(int x)
-{
- return set_time(Time(x)/frame_rate);
-}
-
-const float &
-RendDesc::get_frame_rate()const
-{
- return frame_rate;
-}
-
-RendDesc &
-RendDesc::set_frame_rate(float x)
-{
- frame_rate=x;
- return *this;
-}
-
-const bool &
-RendDesc::get_interlaced()const
-{
- return interlaced;
-}
-
-RendDesc &
-RendDesc::set_interlaced(bool x)
-{ interlaced=x; return *this; }
-
-//! Return the status of the clamp flag
-const bool &
-RendDesc::get_clamp()const
-{ return clamp; }
-
-//! Set the clamp flag
-RendDesc &
-RendDesc::set_clamp(bool x)
-{ clamp=x; return *this; }
-
-//! Set constraint flags
-RendDesc &
-RendDesc::set_flags(const int &x)
-{ flags=x; return *this; }
-
-//! Clear constraint flags
-RendDesc &
-RendDesc::clear_flags()
-{ flags=0; return *this; }
-
-int
-RendDesc::get_flags()const
-{ return flags; }
-
-
-//! Return the aspect ratio of a single pixel
-Real
-RendDesc::get_pixel_aspect()const
-{
- Vector tmp=br_-tl_;
- tmp[0]/=w_;
- tmp[1]/=h_;
- tmp[0]/=tmp[1];
- if(tmp[0]<0.0)
- return -tmp[0];
- return tmp[0];
-}
-
-//! Return the aspect ratio of the entire image
-Real
-RendDesc::get_image_aspect()const
-{
- Point tmp=br_-tl_;
- tmp[0]/=tmp[1];
- if(tmp[0]<0.0)
- return -tmp[0];
- return tmp[0];
-}
-
-
-//! Return the antialias amount
-const int &
-RendDesc::get_antialias()const
-{ return a; }
-
-//! Set the antialias amount
-RendDesc &
-RendDesc::set_antialias(const int &x)
-{ a=x; return *this; }
-
-
-//! Return the distance from the bottom-right to the top-left
-Real
-RendDesc::get_span()const
-{
- return (br_-tl_).mag();
-}
-
-//! Set the span distance
-RendDesc &
-RendDesc::set_span(const Real &x)
-{
- Vector::value_type ratio=x/get_span();
-
- //! \todo this looks wrong. I suspect the intention was to check
- // "(not IM_W) AND (not IM_H)", ie "not(IM_W OR IM_H)" but
- // this check does "not(IM_W AND IM_H)"
- if(!FLAGS(flags,IM_W|IM_H) || FLAGS(flags,IM_ASPECT)) // (not "Image Width") or (not "Image Height") or "Image Aspect"
- {
- br_-=focus;
- br_=br_*ratio;
- br_+=focus;
- tl_-=focus;
- tl_=tl_*ratio;
- tl_+=focus;
- }
- else if(FLAGS(flags,IM_W)) // "Image Width"
- {
- //! \writeme or fix me
- br_-=focus;
- br_=br_*ratio;
- br_+=focus;
- tl_-=focus;
- tl_=tl_*ratio;
- tl_+=focus;
- }else // IM_H // "Image Height"
- {
- //! \writeme or fix me
- br_-=focus;
- br_=br_*ratio;
- br_+=focus;
- tl_-=focus;
- tl_=tl_*ratio;
- tl_+=focus;
- }
-
- return *this;
-}
-
-
-/*
-const Gamma &
-RendDesc::get_gamma()const
-{ return gamma; }
-
-RendDesc &
-RendDesc::set_gamma(const Gamma &x)
-{ gamma=x; return *this; }
-*/
-
-const Point &
-RendDesc::get_focus()const
-{ return focus; }
-
-RendDesc &
-RendDesc::set_focus(const Point &x)
-{ focus=x; return *this; }
-
-
-const Point &
-RendDesc::get_tl()const
-{ return tl_; }
-
-const Point &
-RendDesc::get_br()const
-{ return br_; }
-
-RendDesc &
-RendDesc::set_tl(const Point &x)
-{
- if(FLAGS(flags,PX_ASPECT)) // "Pixel Aspect"
- {
- Vector new_size(x-br_);
- new_size[0]=abs(new_size[0]);
- new_size[1]=abs(new_size[1]);
-
- Vector old_size(tl_-br_);
- old_size[0]=abs(old_size[0]);
- old_size[1]=abs(old_size[1]);
-
- if(new_size[0]!=old_size[0])
- w_=round_to_int(new_size[0]*w_/old_size[0]);
-
- if(new_size[1]!=old_size[1])
- h_=round_to_int(new_size[1]*h_/old_size[1]);
- }
-
- tl_=x; return *this;
-}
-
-RendDesc &
-RendDesc::set_br(const Point &x)
-{
- if(FLAGS(flags,PX_ASPECT)) // "Pixel Aspect"
- {
- Vector new_size(x-tl_);
- new_size[0]=abs(new_size[0]);
- new_size[1]=abs(new_size[1]);
-
- Vector old_size(tl_-br_);
- old_size[0]=abs(old_size[0]);
- old_size[1]=abs(old_size[1]);
-
- if(new_size[0]!=old_size[0])
- w_=round_to_int(new_size[0]*w_/old_size[0]);
-
- if(new_size[1]!=old_size[1])
- h_=round_to_int(new_size[1]*h_/old_size[1]);
- }
- br_=x; return *this;
-}
-
-RendDesc &
-RendDesc::set_viewport(const Point &__tl, const Point &__br)
-{ tl_=__tl; br_=__br; return *this; }
-
-RendDesc &
-RendDesc::set_viewport(Vector::value_type a, Vector::value_type b, Vector::value_type c, Vector::value_type d)
-{ tl_=Point(a,b); br_=Point(c,d); return *this; }
-
-Real
-RendDesc::get_pw()const
-{
- return (br_[0] - tl_[0]) / w_;
-}
-
-Real
-RendDesc::get_ph()const
-{
- return (br_[1] - tl_[1]) / h_;
-}
-
-RendDesc &
-RendDesc::set_subwindow(int x, int y, int w, int h)
-{
- const Real pw(get_pw());
- const Real ph(get_ph());
-
- tl_[0]+=pw*x;
- tl_[1]+=ph*y;
-
- br_[0]-=pw*(w_-(x+w));
- br_[1]-=ph*(h_-(y+h));
-
- w_=w;
- h_=h;
-
- return *this;
-}
projects / synfig.git / blobdiff