X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2F0.61.08%2Fsrc%2Fsynfig%2Flayer_pastecanvas.cpp;fp=synfig-core%2Ftags%2F0.61.08%2Fsrc%2Fsynfig%2Flayer_pastecanvas.cpp;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=572aee29f1d268f3dfbedb3fd6620b6f9985c83f;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/0.61.08/src/synfig/layer_pastecanvas.cpp b/synfig-core/tags/0.61.08/src/synfig/layer_pastecanvas.cpp deleted file mode 100644 index 572aee2..0000000 --- a/synfig-core/tags/0.61.08/src/synfig/layer_pastecanvas.cpp +++ /dev/null @@ -1,538 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file layer_pastecanvas.cpp -** \brief Implementation of the "Paste Canvas" layer -** -** $Id$ -** -** \legal -** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley -** 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 -** 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 -#endif - -#include "layer_pastecanvas.h" -#include "string.h" -#include "time.h" -#include "context.h" -#include "paramdesc.h" -#include "renddesc.h" -#include "surface.h" -#include "value.h" -#include "valuenode.h" -#include "canvas.h" - -#endif - -/* === U S I N G =========================================================== */ - -using namespace etl; -using namespace std; -using namespace synfig; - -/* === M A C R O S ========================================================= */ - -#define MAX_DEPTH 10 - -// if this isn't defined, the 'dead heads' in examples/pirates.sifz don't render properly -#define SYNFIG_CLIP_PASTECANVAS - -//#ifdef __APPLE__ -//#undef SYNFIG_CLIP_PASTECANVAS -//#endif - -/* === C L A S S E S ======================================================= */ - -class depth_counter // Makes our recursive depth counter exception-safe -{ - int *depth; -public: - depth_counter(int &x):depth(&x) { (*depth)++; } - ~depth_counter() { (*depth)--; } -}; - -/* === G L O B A L S ======================================================= */ - -SYNFIG_LAYER_INIT(Layer_PasteCanvas); -SYNFIG_LAYER_SET_NAME(Layer_PasteCanvas,"PasteCanvas"); // todo: use paste_canvas -SYNFIG_LAYER_SET_LOCAL_NAME(Layer_PasteCanvas,N_("Paste Canvas")); -SYNFIG_LAYER_SET_CATEGORY(Layer_PasteCanvas,N_("Other")); -SYNFIG_LAYER_SET_VERSION(Layer_PasteCanvas,"0.1"); -SYNFIG_LAYER_SET_CVS_ID(Layer_PasteCanvas,"$Id$"); - -/* === M E T H O D S ======================================================= */ - -Layer_PasteCanvas::Layer_PasteCanvas(): - origin(0,0), - depth(0), - zoom(0), - time_offset(0), - extra_reference(false) -{ - children_lock=false; - muck_with_time_=true; - curr_time=Time::begin(); -} - -Layer_PasteCanvas::~Layer_PasteCanvas() -{ -/* if(canvas) - canvas->parent_set.erase(this); -*/ - - //if(canvas)DEBUGINFO(strprintf("%d",canvas->count())); - - set_sub_canvas(0); - - //if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root())) - //if(extra_reference) - // canvas->unref(); -} - -String -Layer_PasteCanvas::get_local_name()const -{ - if(!canvas) return _("Pasted Canvas"); - if(canvas->is_inline()) return _("Inline Canvas"); - if(canvas->get_root()==get_canvas()->get_root()) return '[' + canvas->get_id() + ']'; - - return '[' + canvas->get_file_name() + ']'; -} - -Layer::Vocab -Layer_PasteCanvas::get_param_vocab()const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("origin") - .set_local_name(_("Origin")) - .set_description(_("Point where you want the origin to be")) - ); - ret.push_back(ParamDesc("canvas") - .set_local_name(_("Canvas")) - .set_description(_("Canvas to paste")) - ); - ret.push_back(ParamDesc("zoom") - .set_local_name(_("Zoom")) - .set_description(_("Size of canvas")) - ); - - ret.push_back(ParamDesc("time_offset") - .set_local_name(_("Time Offset")) - ); - - ret.push_back(ParamDesc("children_lock") - .set_local_name(_("Children Lock")) - ); - - // optimize_layers() in canvas.cpp makes a new PasteCanvas layer - // and copies over the parameters of the old layer. the - // 'curr_time' member wasn't being copied, so I've added it as a - // hidden, non critical parameter, and now it will be. this - // allows a single exported subcanvas to be used more than once at - // a time, with different time offets in each. see bug #1896557. - ret.push_back(ParamDesc("curr_time") - .set_local_name(_("Current Time")) - .not_critical() - .hidden() - ); - - return ret; -} - -bool -Layer_PasteCanvas::set_param(const String & param, const ValueBase &value) -{ - IMPORT(origin); - - // IMPORT(canvas); - if(param=="canvas" && value.same_type_as(Canvas::Handle())) - { - set_sub_canvas(value.get(Canvas::Handle())); - return true; - } - - //! \todo this introduces bug 1844764 if enabled; it was introduced in r954. - // http://synfig.org/images/3/3d/Moving-waypoints.sifz is an - // example of an animation that has its waypoints displayed - // incorrectly without this fix; select the outer layer and drag - // the time slider. The linear waypoints don't take effect until - // 5s, but the time slider appears to pass the first one at 3s. -#if 0 - if (param=="time_offset" && value.same_type_as(time_offset)) - { - if (time_offset != value.get(Time())) - { - value.put(&time_offset); - // notify that the time_offset has changed so we can update the - // waypoint positions in parent layers - changed(); - } - return true; - } -#else - IMPORT(time_offset); -#endif - - IMPORT(children_lock); - IMPORT(zoom); - IMPORT(curr_time); - - return Layer_Composite::set_param(param,value); -} - -void -Layer_PasteCanvas::set_sub_canvas(etl::handle x) -{ - if(canvas && muck_with_time_) - remove_child(canvas.get()); - - // if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root())) - if (extra_reference) - canvas->unref(); - - child_changed_connection.disconnect(); - - canvas=x; - - /*if(canvas) - child_changed_connection=canvas->signal_changed().connect( - sigc::mem_fun( - *this, - &Layer_PasteCanvas::changed - ) - ); - */ - if(canvas) - bounds = ((canvas->get_context().get_full_bounding_rect() - canvas->rend_desc().get_focus()) * exp(zoom) + - origin + canvas->rend_desc().get_focus()); - - if(canvas && muck_with_time_) - add_child(canvas.get()); - - if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root())) - { - canvas->ref(); - extra_reference = true; - } - else - extra_reference = false; - - if(canvas) - on_canvas_set(); -} - -// This is called whenever the parent canvas gets set/changed -void -Layer_PasteCanvas::on_canvas_set() -{ - //synfig::info("before count()=%d",count()); - if(get_canvas() && canvas && canvas->is_inline() && canvas->parent()!=get_canvas()) - { - //synfig::info("during count()=%d",count()); - canvas->set_inline(get_canvas()); - } - //synfig::info("after count()=%d",count()); -} - -ValueBase -Layer_PasteCanvas::get_param(const String& param)const -{ - EXPORT(origin); - EXPORT(canvas); - EXPORT(zoom); - EXPORT(time_offset); - EXPORT(children_lock); - EXPORT(curr_time); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -void -Layer_PasteCanvas::set_time(Context context, Time time)const -{ - if(depth==MAX_DEPTH)return;depth_counter counter(depth); - curr_time=time; - - context.set_time(time); - if(canvas) - { - canvas->set_time(time+time_offset); - - bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus(); - } - else - bounds=Rect::zero(); -} - -synfig::Layer::Handle -Layer_PasteCanvas::hit_check(synfig::Context context, const synfig::Point &pos)const -{ - if(depth==MAX_DEPTH)return 0;depth_counter counter(depth); - - if (canvas) { - Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus(); - - if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25) - { - if(!children_lock) - { - return canvas->get_context().hit_check(target_pos); - } - return const_cast(this); - } - } - return context.hit_check(pos); -} - -Color -Layer_PasteCanvas::get_color(Context context, const Point &pos)const -{ - if(!canvas || !get_amount()) - return context.get_color(pos); - - if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth); - - Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus(); - - return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method()); -} - - -bool -Layer_PasteCanvas::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const -{ - if(cb && !cb->amount_complete(0,10000)) return false; - - if(depth==MAX_DEPTH) - // if we are at the extent of our depth, - // then we should just return whatever is under us. - return context.accelerated_render(surface,quality,renddesc,cb); - - depth_counter counter(depth); - - if(!canvas || !get_amount()) - return context.accelerated_render(surface,quality,renddesc,cb); - - SuperCallback stageone(cb,0,4500,10000); - SuperCallback stagetwo(cb,4500,9000,10000); - SuperCallback stagethree(cb,9000,9999,10000); - - RendDesc desc(renddesc); - Vector::value_type zoomfactor=1.0/exp(zoom); - desc.clear_flags(); - desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus()); - desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus()); - desc.set_flags(RendDesc::PX_ASPECT); - - if (is_solid_color() || context->empty()) - { - surface->set_wh(renddesc.get_w(),renddesc.get_h()); - surface->clear(); - } - else if (!context.accelerated_render(surface,quality,renddesc,&stageone)) - return false; - - if(muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset) - canvas->set_time(curr_time+time_offset); - - Color::BlendMethod blend_method(get_blend_method()); - const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect()); - - bool blend_using_straight = false; // use 'straight' just for the central blit - - // sometimes the user changes the parameters while we're - // rendering, causing our pasted canvas' bounding box to shrink - // and no longer overlap with our tile. if that has happened, - // let's just stop now - we'll be refreshing soon anyway - //! \todo shouldn't a mutex ensure this isn't needed? - // http://synfig.org/images/d/d2/Bbox-change.sifz is an example - // that shows this happening - open the encapsulation, select the - // 'shade', and toggle the 'invert' parameter quickly. - // Occasionally you'll see: - // error: Context::accelerated_render(): Layer "shade" threw a bad_alloc exception! - // where the shade layer tries to allocate itself a canvas of - // negative proportions, due to changing bounding boxes. - if (!etl::intersect(desc.get_rect(), full_bounding_rect)) - { - warning("%s:%d bounding box shrank while rendering?", __FILE__, __LINE__); - return true; - } - - // we have rendered what's under us, if necessary - if(context->empty()) - { - // if there's nothing under us, and we're blending 'onto', then we've finished - if (Color::is_onto(blend_method)) return true; - - // there's nothing under us, so using straight blending is - // faster than and equivalent to using composite, but we don't - // want to blank the surrounding areas - if (blend_method==Color::BLEND_COMPOSITE) blend_using_straight = true; - } - - if (!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect+origin)) - { - // if there's no intersection between the context and our surface, and we're rendering 'onto', then we're done - if (Color::is_onto(blend_method)) return true; - - /* 'straight' is faster than 'composite' and has the same - * effect if the affected area of the lower layer is - * transparent; however, if we're not clipping the blit to - * just the bounding rectangle, the affected area is the whole - * tile, so we can't use this optimisation. if we are - * clipping, then we can use 'straight' to blit the clipped - * rectangle, but we shouldn't set blend_method to 'straight', - * or the surrounding areas will be blanked, which we don't - * want. - */ -#ifdef SYNFIG_CLIP_PASTECANVAS - if (blend_method==Color::BLEND_COMPOSITE) blend_using_straight = true; -#endif // SYNFIG_CLIP_PASTECANVAS - } - -#ifdef SYNFIG_CLIP_PASTECANVAS - Rect area(desc.get_rect() & full_bounding_rect); - - Point min(area.get_min()); - Point max(area.get_max()); - - if (desc.get_tl()[0] > desc.get_br()[0]) swap(min[0], max[0]); - if (desc.get_tl()[1] > desc.get_br()[1]) swap(min[1], max[1]); - - const int x(floor_to_int((min[0] - desc.get_tl()[0]) / desc.get_pw())); - const int y(floor_to_int((min[1] - desc.get_tl()[1]) / desc.get_ph())); - const int w( ceil_to_int((max[0] - desc.get_tl()[0]) / desc.get_pw()) - x); - const int h( ceil_to_int((max[1] - desc.get_tl()[1]) / desc.get_ph()) - y); - - const int tw = desc.get_w(); - const int th = desc.get_h(); - - desc.set_subwindow(x,y,w,h); - - // \todo this used to also have "area.area()<=0.000001 || " - is it useful? - // it was causing bug #1809480 (Zoom in beyond 8.75 in nested canvases fails) - if(desc.get_w()==0 || desc.get_h()==0) - { - if(cb && !cb->amount_complete(10000,10000)) return false; - return true; - } - - // SYNFIG_CLIP_PASTECANVAS is defined, so we are only touching the - // pixels within the affected rectangle. If the blend method is - // 'straight', then we need to blend transparent pixels with the - // clipped areas of this tile, because with the 'straight' blend - // method, even transparent pixels have an effect on the layers below - if (Color::is_straight(blend_method)) - { - Surface clearsurface; - - Surface::alpha_pen apen(surface->begin()); - apen.set_alpha(get_amount()); - - // the area we're about to blit is transparent, so it doesn't - // matter whether we use 'straight' or 'straight onto' here - if (blend_method == Color::BLEND_ALPHA_BRIGHTEN) - apen.set_blend_method(blend_method); - else - apen.set_blend_method(Color::BLEND_STRAIGHT); - - /* This represents the area we're pasting into the tile, - * within the tile as a whole. Areas (A), (B), (C) and (D) - * need blending with the underlying context if they're not - * zero-sized: - * - * 0 x x+w tw - * 0 +------------------------+ - * | | - * | (A) | - * | | - * y | - - +----------+ - - - | - * | | | | - * | (C) | w by h | (D) | - * | | | | - * y+h | - - +----------+ - - - | - * | | - * | (B) | - * | | - * tw +------------------------+ - */ - - if (y > 0) // draw the full-width strip above the rectangle (A) - { apen.move_to(0,0); clearsurface.set_wh(tw,y); clearsurface.clear(); clearsurface.blit_to(apen); } - if (y+h < th) // draw the full-width strip below the rectangle (B) - { apen.move_to(0,y+h); clearsurface.set_wh(tw,th-(y+h)); clearsurface.clear(); clearsurface.blit_to(apen); } - if (x > 0) // draw the box directly left of the rectangle (C) - { apen.move_to(0,y); clearsurface.set_wh(x,h); clearsurface.clear(); clearsurface.blit_to(apen); } - if (x+w < tw) // draw the box directly right of the rectangle (D) - { apen.move_to(x+w,y); clearsurface.set_wh(tw-(x+w),h); clearsurface.clear(); clearsurface.blit_to(apen); } - } -#endif // SYNFIG_CLIP_PASTECANVAS - - // render the canvas to be pasted onto pastesurface - Surface pastesurface; - if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo)) - return false; - -#ifdef SYNFIG_CLIP_PASTECANVAS - Surface::alpha_pen apen(surface->get_pen(x,y)); -#else // SYNFIG_CLIP_PASTECANVAS - Surface::alpha_pen apen(surface->begin()); -#endif // SYNFIG_CLIP_PASTECANVAS - - apen.set_alpha(get_amount()); - apen.set_blend_method(blend_using_straight ? Color::BLEND_STRAIGHT : blend_method); - pastesurface.blit_to(apen); - - if(cb && !cb->amount_complete(10000,10000)) return false; - - return true; -} - -Rect -Layer_PasteCanvas::get_bounding_rect()const -{ - return bounds; -} - -void Layer_PasteCanvas::get_times_vfunc(Node::time_set &set) const -{ - Node::time_set tset; - if(canvas) tset = canvas->get_times(); - - Node::time_set::iterator i = tset.begin(), end = tset.end(); - - //Make sure we offset the time... - //! \todo: SOMETHING STILL HAS TO BE DONE WITH THE OTHER DIRECTION - // (recursing down the tree needs to take this into account too...) - for(; i != end; ++i) - set.insert(*i -#ifdef ADJUST_WAYPOINTS_FOR_TIME_OFFSET // see node.h - - time_offset -#endif - ); - - Layer::get_times_vfunc(set); -}