--- /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
+**
+** 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"
+
+#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));
+ renderer->start();
+ dirty = false;
+ }
+}
+
+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());
+ DEBUGPOINT();
+ //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::slot(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)
+{
+ //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);
+ }
+}
projects / synfig.git / blobdiff