+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file dock_navigator.cpp
-** \brief Dock Nagivator File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 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 "dock_navigator.h"
-#include "canvasview.h"
-#include "workarea.h"
-
-#include <cassert>
-#include <synfig/canvas.h>
-#include <synfig/context.h>
-#include <synfig/target_scanline.h>
-#include <synfig/surface.h>
-
-#include <gtkmm/separator.h>
-
-#include "asyncrenderer.h"
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-const double log_10_2 = log(2.0);
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-/* === E N T R Y P O I N T ================================================= */
-studio::Widget_NavView::Widget_NavView(CanvasView::LooseHandle cv)
-:canvview(cv),
-adj_zoom(0,-4,4,1,2),
-scrolling(false),
-surface(new synfig::Surface)
-{
- attach(drawto,0,4,0,1);
-
- attach(*manage(new Gtk::HSeparator),0,4,1,2,Gtk::SHRINK|Gtk::FILL,Gtk::SHRINK|Gtk::FILL);
-
- //zooming stuff
- attach(zoom_print,0,1,2,3,Gtk::SHRINK|Gtk::FILL,Gtk::SHRINK|Gtk::FILL);
- zoom_print.set_size_request(40,-1);
-
- Gtk::HScale *s = manage(new Gtk::HScale(adj_zoom));
- s->set_draw_value(false);
- //s->set_update_policy(Gtk::UPDATE_DELAYED);
- //s->signal_event().connect(sigc::mem_fun(*this,&Dock_Navigator::on_scroll_event));
- attach(*s,1,4,2,3,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK|Gtk::FILL);
-
- show_all();
-
- adj_zoom.signal_value_changed().connect(sigc::mem_fun(*this,&Widget_NavView::on_number_modify));
-
- if(cv)
- {
- drawto.signal_expose_event().connect(sigc::mem_fun(*this,&Widget_NavView::on_expose_draw));
- drawto.signal_event().connect(sigc::mem_fun(*this,&Widget_NavView::on_mouse_event));
-
- drawto.add_events(Gdk::BUTTON_MOTION_MASK|Gdk::BUTTON_PRESS_MASK);
-
- //get_canvas_view()->canvas_interface()->signal_dirty_preview()
- // .connect(sigc::mem_fun(*this,&Widget_NavView::on_dirty_preview));
- get_canvas_view()->work_area->signal_rendering()
- .connect(sigc::mem_fun(*this,&Widget_NavView::on_dirty_preview));
-
- get_canvas_view()->work_area->signal_view_window_changed()
- .connect(sigc::mem_fun(*this,&Widget_NavView::on_workarea_view_change));
-
- //update with this canvas' view
- on_workarea_view_change();
-
- dirty = true;
- queue_draw();
- }
-
- adj_zoom.set_value(0);
-}
-
-studio::Widget_NavView::~Widget_NavView()
-{
-}
-
-
-static void freegu8(const guint8 *p)
-{
- delete [] p;
-}
-
-void studio::Widget_NavView::on_start_render()
-{
- if(dirty)
- {
- //synfig::warning("Nav: Starting render");
- //synfig::warning("Nav: Rendering canvas");
- etl::handle<Target_Scanline> targ = surface_target(surface.get());
-
- targ->set_canvas(get_canvas_view()->get_canvas());
- targ->set_remove_alpha();
- targ->set_avoid_time_sync();
- targ->set_quality(get_canvas_view()->get_work_area()->get_quality());
- //synfig::info("Set the quality level to: %d", get_canvas_view()->get_work_area()->get_quality());
-
- //this should set it to render a single frame
- RendDesc r = get_canvas_view()->get_canvas()->rend_desc();
- r.set_time(get_canvas_view()->canvas_interface()->get_time());
-
- //this changes the size of the canvas to the closest thing we can find
- int sw = r.get_w(), sh = r.get_h();
-
- //synfig::warning("Nav: source image is %d x %d", sw,sh);
-
- //resize so largest dimension is 128
- int dw = sw > sh ? 128 : sw*128/sh,
- dh = sh > sw ? 128 : sh*128/sw;
-
- //synfig::warning("Nav: dest image is %d x %d", dw,dh);
-
- r.set_w(dw);
- r.set_h(dh);
-
- //get the pw and ph
- //float pw = r.get_pw();
- //float ph = r.get_ph();
-
- //synfig::warning("Nav: pixel size is %f x %f", pw,ph);
-
- //this renders that single frame
- targ->set_rend_desc(&r);
-
- //synfig::warning("Nav: Building async renderer and starting it...");
-
- renderer = new AsyncRenderer(targ);
- renderer->signal_success().connect(sigc::mem_fun(*this,&Widget_NavView::on_finish_render));
- dirty = false;
- renderer->start();
- }
-}
-
-void studio::Widget_NavView::on_finish_render()
-{
- //convert it into our pixmap
- PixelFormat pf(PF_RGB);
-
- //synfig::warning("Nav: It hath succeeded!!!");
-
- //assert(renderer && renderer->has_success());
- //synfig::warning("Nav: now we know it really succeeded");
- if(!*surface)
- {
- synfig::warning("dock_navigator: Bad surface");
- return;
- }
-
- int w = 0, h = 0;
- int dw = surface->get_w();
- int dh = surface->get_h();
-
- if(prev)
- {
- w = prev->get_width();
- h = prev->get_height();
- }
-
- if(w != dw || h != dh || !prev)
- {
- const int total_bytes(dw*dh*synfig::channels(pf));
-
- //synfig::warning("Nav: Updating the pixbuf to be the right size, etc. (%d bytes)", total_bytes);
-
- prev.clear();
- guint8 *bytes = new guint8[total_bytes]; //24 bits per pixel
-
- //convert into our buffered dataS
- //synfig::warning("Nav: converting color format into buffer");
- convert_color_format((unsigned char *)bytes, (*surface)[0], dw*dh, pf, App::gamma);
-
- prev =
- Gdk::Pixbuf::create_from_data(
- bytes, // pointer to the data
- Gdk::COLORSPACE_RGB, // the colorspace
- ((pf&PF_A)==PF_A), // has alpha?
- 8, // bits per sample
- dw, // width
- dh, // height
- dw*synfig::channels(pf), // stride (pitch)
- sigc::ptr_fun(freegu8)
- );
- }
- else
- {
- //synfig::warning("Nav: Don't need to resize");
- //convert into our buffered dataS
- //synfig::warning("Nav: converting color format into buffer");
- if(prev) //just in case we're stupid
- {
- convert_color_format((unsigned char *)prev->get_pixels(), (*surface)[0], dw*dh, pf, App::gamma);
- }
- }
- queue_draw();
-}
-
-/* zoom slider is on exponential scale
-
- map: -4,4 -> small number,1600 with 100 at 0
-
- f(x) = 100*2^x
-*/
-
-static double unit_to_zoom(double f)
-{
- return pow(2.0,f);
-}
-
-static double zoom_to_unit(double f)
-{
- if(f > 0)
- {
- return log(f) / log_10_2;
- }else return -999999.0;
-}
-
-bool studio::Widget_NavView::on_expose_draw(GdkEventExpose */*exp*/)
-{
-#ifdef SINGLE_THREADED
- // don't redraw if the previous redraw is still running single-threaded
- // or we end up destroying the renderer that's rendering it
- if (App::single_threaded && renderer && renderer->updating)
- return false;
-#endif
-
- //print out the zoom
- //HACK kind of...
- //zoom_print.set_text(strprintf("%.1f%%",100*unit_to_zoom(adj_zoom.get_value())));
-
- //draw the good stuff
- on_start_render();
-
- //if we've got a preview etc. display it...
- if(get_canvas_view() && prev)
- {
- //axis transform from units to pixel coords
- float xaxis = 0, yaxis = 0;
-
- int canvw = get_canvas_view()->get_canvas()->rend_desc().get_w();
- //int canvh = get_canvas_view()->get_canvas()->rend_desc().get_h();
-
- float pw = get_canvas_view()->get_canvas()->rend_desc().get_pw();
- float ph = get_canvas_view()->get_canvas()->rend_desc().get_ph();
-
- int w = prev->get_width();
- int h = prev->get_height();
-
- //scale up/down to the nearest pixel ratio...
- //and center in center
- int offx=0, offy=0;
-
- float sx, sy;
- int nw,nh;
-
- sx = drawto.get_width() / (float)w;
- sy = drawto.get_height() / (float)h;
-
- //synfig::warning("Nav redraw: now to scale the bitmap: %.3f x %.3f",sx,sy);
-
- //round to smallest scale (fit entire thing in window without distortion)
- if(sx > sy) sx = sy;
- //else sy = sx;
-
- //scaling and stuff
- // the point to navpixel space conversion should be:
- // (navpixels / canvpixels) * (canvpixels / canvsize)
- // or (navpixels / prevpixels) * (prevpixels / navpixels)
- xaxis = sx * w / (float)canvw;
- yaxis = xaxis/ph;
- xaxis /= pw;
-
- //scale to a new pixmap and then copy over to the window
- nw = (int)(w*sx);
- nh = (int)(h*sx);
-
- //must now center to be cool
- offx = (drawto.get_width() - nw)/2;
- offy = (drawto.get_height() - nh)/2;
-
- //trivial escape
- if(nw == 0 || nh == 0)return true;
-
- //draw to drawing area
- Glib::RefPtr<Gdk::GC> gc = Gdk::GC::create(drawto.get_window());
-
- //synfig::warning("Nav: Scaling pixmap to off (%d,%d) with size (%d,%d)", offx,offy,nw, nh);
- Glib::RefPtr<Gdk::Pixbuf> scalepx = prev->scale_simple(nw,nh,Gdk::INTERP_NEAREST);
-
- //synfig::warning("Nav: Drawing scaled bitmap");
- drawto.get_window()->draw_pixbuf(
- gc, //GC
- scalepx, //pixbuf
- 0, 0, // Source X and Y
- offx, offy, // Dest X and Y
- -1,-1, // Width and Height
- Gdk::RGB_DITHER_MAX, // RgbDither
- 2, 2 // Dither offset X and Y
- );
-
- //draw fancy red rectangle around focus point
- const Point &wtl = get_canvas_view()->work_area->get_window_tl(),
- &wbr = get_canvas_view()->work_area->get_window_br();
-
- gc->set_rgb_fg_color(Gdk::Color("#ff0000"));
- gc->set_line_attributes(2,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-
- //it must be clamped to the drawing area though
- int l=0,rw=0,t=0,rh=0;
- const Point fp = -get_canvas_view()->work_area->get_focus_point();
-
- //get focus point in normal space
- rw = (int)(abs((wtl[0]-wbr[0])*xaxis));
- rh = (int)(abs((wtl[1]-wbr[1])*yaxis));
-
- //transform into pixel space
- l = (int)(drawto.get_width()/2 + fp[0]*xaxis - rw/2);
- t = (int)(drawto.get_height()/2 + fp[1]*yaxis - rh/2);
-
- //coord system:
- // tl : (offx,offy)
- // axis multipliers = xaxis,yaxis
- //synfig::warning("Nav: tl (%f,%f), br (%f,%f)", wtl[0],wtl[1],wbr[0],wbr[1]);
- //synfig::warning("Nav: tl (%f,%f), br (%f,%f)", wtl[0],wtl[1],wbr[0],wbr[1]);
- //synfig::warning("Nav: Drawing Rectangle (%d,%d) with dim (%d,%d)", l,t,rw,rh);
- drawto.get_window()->draw_rectangle(gc,false,l,t,rw,rh);
- }
-
- return false; //draw everything else too
-}
-
-void studio::Widget_NavView::on_dirty_preview()
-{
- dirty = true;
- queue_draw();
-}
-
-bool studio::Widget_NavView::on_scroll_event(GdkEvent *event)
-{
- if(get_canvas_view() && get_canvas_view()->get_work_area())
- {
- double z = unit_to_zoom(adj_zoom.get_value());
-
- switch(event->type)
- {
- case GDK_BUTTON_PRESS:
- {
- if(event->button.button == 1)
- {
- scrolling = true;
- get_canvas_view()->get_work_area()->set_zoom(z);
- scrolling = false;
- }
- break;
- }
-
- case GDK_MOTION_NOTIFY:
- {
- if(Gdk::ModifierType(event->motion.state) & Gdk::BUTTON1_MASK)
- {
- scrolling = true;
- get_canvas_view()->get_work_area()->set_zoom(z);
- scrolling = false;
- }
- break;
- }
-
- default:
- break;
- }
- }
-
- return false;
-}
-
-void studio::Widget_NavView::on_number_modify()
-{
- double z = unit_to_zoom(adj_zoom.get_value());
- zoom_print.set_text(strprintf("%.1f%%",z*100.0));
- //synfig::warning("Updating zoom to %f",adj_zoom.get_value());
-
- if(get_canvas_view() && z != get_canvas_view()->get_work_area()->get_zoom())
- {
- scrolling = true;
- get_canvas_view()->get_work_area()->set_zoom(z);
- scrolling = false;
- }
-}
-
-void studio::Widget_NavView::on_workarea_view_change()
-{
- double wz = get_canvas_view()->get_work_area()->get_zoom();
- double z = zoom_to_unit(wz);
-
- //synfig::warning("Updating zoom to %f -> %f",wz,z);
- if(!scrolling && z != adj_zoom.get_value())
- {
- adj_zoom.set_value(z);
- //adj_zoom.value_changed();
- }
- queue_draw();
-}
-
-bool studio::Widget_NavView::on_mouse_event(GdkEvent * e)
-{
- Point p;
- bool setpos = false;
-
- if(e->type == GDK_BUTTON_PRESS && e->button.button == 1)
- {
- p[0] = e->button.x - drawto.get_width()/2;
- p[1] = e->button.y - drawto.get_height()/2;
-
- setpos = true;
- }
-
- if(e->type == GDK_MOTION_NOTIFY && (Gdk::ModifierType(e->motion.state) & Gdk::BUTTON1_MASK))
- {
- p[0] = e->motion.x - drawto.get_width()/2;
- p[1] = e->motion.y - drawto.get_height()/2;
-
- setpos = true;
- }
-
- if(setpos && prev && get_canvas_view())
- {
- const Point &tl = get_canvas_view()->get_canvas()->rend_desc().get_tl();
- const Point &br = get_canvas_view()->get_canvas()->rend_desc().get_br();
-
- float max = abs((br[0]-tl[0]) / drawto.get_width());
-
- if((float(prev->get_width()) / drawto.get_width()) < (float(prev->get_height()) / drawto.get_height()))
- max = abs((br[1]-tl[1]) / drawto.get_height());
-
- float signx = (br[0]-tl[0]) < 0 ? -1 : 1;
- float signy = (br[1]-tl[1]) < 0 ? -1 : 1;
-
- Point pos;
-
- pos[0] = p[0] * max * signx;
- pos[1] = p[1] * max * signy;
-
- get_canvas_view()->get_work_area()->set_focus_point(-pos);
-
- return true;
- }
-
- return false;
-}
-
-//Navigator Dock Definitions
-
-studio::Dock_Navigator::Dock_Navigator()
-:Dock_CanvasSpecific("navigator",_("Navigator"),Gtk::StockID("synfig-navigator"))
-{
- add(dummy);
-}
-
-studio::Dock_Navigator::~Dock_Navigator()
-{
-}
-
-void studio::Dock_Navigator::changed_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
-{
- if(canvas_view)
- {
- Widget *v = canvas_view->get_ext_widget("navview");
-
- if(!v)
- {
- v = new Widget_NavView(canvas_view);
- canvas_view->set_ext_widget("navview",v);
- }
-
- add(*v);
- }else
- {
- clear_previous();
- //add(dummy);
- }
-}
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