Added copyright lines for files I've edited this year.
[synfig.git] / synfig-studio / trunk / src / gtkmm / workarea.cpp
index 661774f..d7d61c0 100644 (file)
@@ -6,7 +6,8 @@
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright 2006 Yue Shi Lai
+**     Copyright (c) 2006 Yue Shi Lai
+**     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
@@ -71,6 +72,8 @@
 
 #include <synfig/mutex.h>
 
+#include "general.h"
+
 #endif
 
 /* === U S I N G =========================================================== */
@@ -168,8 +171,9 @@ public:
                set_clipping(true);
                if(low_res)
                {
-                       set_tile_w(workarea->tile_w/2);
-                       set_tile_h(workarea->tile_h/2);
+                       int div = workarea->get_low_res_pixel_size();
+                       set_tile_w(workarea->tile_w/div);
+                       set_tile_h(workarea->tile_h/div);
                }
                else
                {
@@ -189,8 +193,10 @@ public:
        {
                assert(workarea);
                newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
-               if(low_res)
-                       newdesc->set_wh(w/2,h/2);
+               if(low_res) {
+                       int div = workarea->get_low_res_pixel_size();
+                       newdesc->set_wh(w/div,h/div);
+               }
                else
                        newdesc->set_wh(w,h);
 
@@ -302,7 +308,10 @@ public:
                        int w(get_tile_w());
                        int h(get_tile_h());
                        int x(surface.get_w()*surface.get_h());
-                       //if(low_res) { w/=2,h/=2; }
+                       //if(low_res) {
+                       //      int div = workarea->get_low_res_pixel_size();
+                       //      w/=div,h/=div;
+                       //}
                        Color dark(0.6,0.6,0.6);
                        Color lite(0.8,0.8,0.8);
                        for(int i=0;i<x;i++)
@@ -342,9 +351,10 @@ public:
                if(low_res)
                {
                        // We need to scale up
+                       int div = workarea->get_low_res_pixel_size();
                        pixbuf=pixbuf->scale_simple(
-                               surface.get_w()*2,
-                               surface.get_h()*2,
+                               surface.get_w()*div,
+                               surface.get_h()*div,
                                Gdk::INTERP_NEAREST
                        );
                }
@@ -465,7 +475,10 @@ public:
                assert(workarea);
                newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
                if(low_res)
-                       newdesc->set_wh(w/2,h/2);
+               {
+                       int div = workarea->get_low_res_pixel_size();
+                       newdesc->set_wh(w/div,h/div);
+               }
                else
                        newdesc->set_wh(w,h);
 
@@ -541,15 +554,19 @@ public:
                        int w(surface.get_w());
                        //int h(surface.get_h());
                        int x(surface.get_w()*surface.get_h());
-                       //if(low_res) { w/=2,h/=2; }
+                       //if(low_res) {
+                       //      int div = workarea->get_low_res_pixel_size();
+                       //      w/=div,h/=div;
+                       //}
                        Color dark(0.6,0.6,0.6);
                        Color lite(0.8,0.8,0.8);
                        int tw=workarea->tile_w;
                        int th=workarea->tile_h;
                        if(low_res)
                        {
-                               tw/=2;
-                               th/=2;
+                               int div = workarea->get_low_res_pixel_size();
+                               tw/=div;
+                               th/=div;
                        }
                        for(int i=0;i<x;i++)
                                dest=Color2PixelFormat(
@@ -580,9 +597,10 @@ public:
                if(low_res)
                {
                        // We need to scale up
+                       int div = workarea->get_low_res_pixel_size();
                        pixbuf=pixbuf->scale_simple(
-                               surface.get_w()*2,
-                               surface.get_h()*2,
+                               surface.get_w()*div,
+                               surface.get_h()*div,
                                Gdk::INTERP_NEAREST
                        );
                }
@@ -627,14 +645,16 @@ WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interfac
        canvas(canvas_interface->get_canvas()),
        scrollx_adjustment(0,-4,4,0.01,0.1),
        scrolly_adjustment(0,-4,4,0.01,0.1),
-       w(128),
-       h(128),
+       w(TILE_SIZE),
+       h(TILE_SIZE),
        last_event_time(0),
        progresscallback(0),
        dragging(DRAG_NONE),
        show_grid(false),
-       tile_w(128),
-       tile_h(128)
+       tile_w(TILE_SIZE),
+       tile_h(TILE_SIZE),
+       timecode_width(0),
+       timecode_height(0)
 {
        show_guides=true;
        curr_input_device=0;
@@ -644,6 +664,7 @@ WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interfac
        render_idle_func_id=0;
        zoom=prev_zoom=1.0;
        quality=10;
+       low_res_pixel_size=2;
        rendering=false;
        canceled_=false;
        low_resolution=true;
@@ -800,6 +821,24 @@ WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interfac
 WorkArea::~WorkArea()
 {
 //     delete [] buffer;
+
+       // don't leave the render function queued if we are about to vanish;
+       // that causes crashes
+       if(render_idle_func_id)
+               render_idle_func_id=0;
+}
+
+bool
+WorkArea::get_updating()const
+{
+       return App::single_threaded && async_renderer && async_renderer->updating;
+}
+
+void
+WorkArea::stop_updating(bool cancel)
+{
+       async_renderer->stop();
+       if (cancel) canceled_=true;
 }
 
 void
@@ -869,6 +908,8 @@ WorkArea::load_meta_data()
 
                if(!tmp.empty())
                        gx=stratof(tmp);
+               else
+                       synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
 
                if(iter==data.end())
                        tmp.clear();
@@ -877,11 +918,11 @@ WorkArea::load_meta_data()
 
                if(!tmp.empty())
                        gy=stratof(tmp);
+               else
+                       synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
 
                set_grid_size(Vector(gx,gy));
        }
-       else
-               synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
 
        data=canvas->get_meta_data("grid_show");
        if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
@@ -1040,7 +1081,7 @@ void
 WorkArea::set_focus_point(const synfig::Point &point)
 {
        // These next three lines try to ensure that we place the
-       // focus on a pixel boundry
+       // focus on a pixel boundary
        /*Point adjusted(point[0]/abs(get_pw()),point[1]/abs(get_ph()));
        adjusted[0]=(abs(adjusted[0]-floor(adjusted[0]))<0.5)?floor(adjusted[0])*abs(get_pw()):ceil(adjusted[0])*abs(get_ph());
        adjusted[1]=(abs(adjusted[1]-floor(adjusted[1]))<0.5)?floor(adjusted[1])*abs(get_ph()):ceil(adjusted[1])*abs(get_ph());
@@ -1158,8 +1199,6 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
        bool is_mouse(false);
        Gdk::ModifierType modifier(Gdk::ModifierType(0));
 
-       drawing_area->grab_focus();
-
        // Handle input stuff
        if(
                event->any.type==GDK_MOTION_NOTIFY ||
@@ -1179,9 +1218,10 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
                {
                        device=event->button.device;
                        modifier=Gdk::ModifierType(event->button.state);
+                       drawing_area->grab_focus();
                }
 
-               // Make sure we recognise the device
+               // Make sure we recognize the device
                if(curr_input_device)
                {
                        if(curr_input_device!=device)
@@ -1247,7 +1287,7 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
        // GDK mouse scrolling events
        else if(event->any.type==GDK_SCROLL)
        {
-               // GDK information needed to properly interprete mouse
+               // GDK information needed to properly interpret mouse
                // scrolling events are: scroll.state, scroll.x/scroll.y, and
                // scroll.direction. The value of scroll.direction will be
                // obtained later.
@@ -1424,19 +1464,15 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
                                if(get_selected_ducks().size()<=1)
                                        duck->signal_user_click(2)();
                                else
-                               {
                                        canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,BUTTON_RIGHT,mouse_pos,pressure,modifier));
-                               }
                                return true;
                        }
-                       else
-                       if(bezier)
+                       else if(bezier)
                        {
                                bezier->signal_user_click(2)(bezier_click_pos);
                                return true;
                        }
-                       else
-                       if(layer)
+                       else if (layer)
                        {
                                if(canvas_view->get_smach().process_event(EventLayerClick(layer,BUTTON_RIGHT,mouse_pos))==Smach::RESULT_OK)
                                        return false;
@@ -1474,7 +1510,7 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
 
                signal_cursor_moved_();
 
-               // Guide/Duck hilights on hover
+               // Guide/Duck highlights on hover
                if(dragging==DRAG_NONE)
                {
                        GuideList::iterator iter;
@@ -1525,11 +1561,13 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
 
                        drawing_area->queue_draw();
                }
+
                if(dragging==DRAG_BOX)
                {
                        curr_point=mouse_pos;
                        drawing_area->queue_draw();
                }
+
                if(dragging==DRAG_GUIDE)
                {
                        if(curr_guide_is_x)
@@ -1538,30 +1576,34 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
                                *curr_guide=mouse_pos[1];
                        drawing_area->queue_draw();
                }
+
                if(dragging!=DRAG_WINDOW)
                {       // Update those triangle things on the rulers
                        const synfig::Point point(mouse_pos);
                        hruler->property_position()=Distance(point[0],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
                        vruler->property_position()=Distance(point[1],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
                }
-               if(dragging==DRAG_WINDOW)
-               {
-                       set_focus_point(get_focus_point()+mouse_pos-drag_point);
-               }
-               else
-               if(event->motion.state&GDK_BUTTON1_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_LEFT,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
+
+               if(dragging == DRAG_WINDOW)
+                       set_focus_point(get_focus_point() + mouse_pos-drag_point);
+               else if (event->motion.state & GDK_BUTTON1_MASK &&
+                               canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_LEFT,
+                                                                                                                                 mouse_pos,pressure,modifier)) == Smach::RESULT_ACCEPT)
                        return true;
-               else
-               if(event->motion.state&GDK_BUTTON2_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_MIDDLE,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
+               else if (event->motion.state & GDK_BUTTON2_MASK &&
+                                canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_MIDDLE,
+                                                                                                                                  mouse_pos, pressure, modifier)) == Smach::RESULT_ACCEPT)
                        return true;
-               else
-               if(event->motion.state&GDK_BUTTON3_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_RIGHT,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
+               else if (event->motion.state & GDK_BUTTON3_MASK &&
+                                canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_RIGHT,
+                                                                                                                                  mouse_pos, pressure, modifier)) == Smach::RESULT_ACCEPT)
                        return true;
-               else
-               if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_MOTION,BUTTON_NONE,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
+               else if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_MOTION, BUTTON_NONE,
+                                                                                                                                 mouse_pos, pressure,modifier)) == Smach::RESULT_ACCEPT)
                        return true;
 
                break;
+
        case GDK_BUTTON_RELEASE:
        {
                bool ret(false);
@@ -1844,10 +1886,8 @@ WorkArea::on_vruler_event(GdkEvent */*event*/)
        switch(event->type)
     {
        case GDK_BUTTON_PRESS:
-               DEBUGPOINT();
                if(dragging==DRAG_NONE)
                {
-                       DEBUGPOINT();
                        dragging=DRAG_GUIDE;
                        curr_guide=get_guide_list_x().insert(get_guide_list_x().begin());
                        curr_guide_is_x=true;
@@ -1855,10 +1895,8 @@ WorkArea::on_vruler_event(GdkEvent */*event*/)
                return true;
                break;
        case GDK_BUTTON_RELEASE:
-               DEBUGPOINT();
                if(dragging==DRAG_GUIDE && curr_guide_is_x==true)
                {
-                       DEBUGPOINT();
                        dragging=DRAG_NONE;
                        get_guide_list_x().erase(curr_guide);
                }
@@ -1883,6 +1921,9 @@ WorkArea::refresh_dimension_info()
        pw=canvaswidth/w;
        ph=canvasheight/h;
 
+       Duckmatic::set_flip_x(pw < 0);
+       Duckmatic::set_flip_y(ph > 0);
+
        scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
        scrollx_adjustment.set_step_increment(abs(pw));
        scrollx_adjustment.set_lower(-abs(canvaswidth));
@@ -1955,7 +1996,8 @@ WorkArea::next_unrendered_tile(int refreshes)const
                x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
                y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
 
-       const int width_in_tiles(w/tile_w+(w%tile_w?1:0));
+       int div = low_res_pixel_size;
+       const int width_in_tiles(w/tile_w+((low_resolution?((w/div)%(tile_w/div)):(w%tile_w))?1:0));
        const int height_in_tiles(h/tile_h+(h%tile_h?1:0));
 
        int
@@ -2048,7 +2090,6 @@ WorkArea::refresh(GdkEventExpose*event)
                }
        }
 
-
        // Calculate the window coordinates of the top-left
        // corner of the canvas.
        //const synfig::Vector::value_type
@@ -2062,27 +2103,31 @@ WorkArea::refresh(GdkEventExpose*event)
 
        Glib::RefPtr<Gdk::GC> gc=Gdk::GC::create(drawing_area->get_window());
 
-
-
        // If we are in animate mode, draw a red border around the screen
        if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
        {
-               /*gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
+// #define USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+               // This method of drawing the red border doesn't work on any
+               // Gtk theme which uses the crux-engine, hcengine, industrial,
+               // mist, or ubuntulooks engine, such as the default ubuntu
+               // 'Human' theme.
+               drawing_frame->modify_bg(Gtk::STATE_NORMAL,Gdk::Color("#FF0000"));
+#else
+               // So let's do it in a more primitive fashion.
+               gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
                gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                drawing_area->get_window()->draw_rectangle(
                        gc,
                        false,  // Fill?
                        0,0,    // x,y
-                       drawing_area->get_width()-1,drawing_area->get_height()-1        //w,h
-               );
-               */
-               drawing_frame->modify_bg(Gtk::STATE_NORMAL,Gdk::Color("#FF0000"));
-               //get_window()->set_background(Gdk::Color("#FF0000"));
+                       drawing_area->get_width()-1,drawing_area->get_height()-1); // w,h
+#endif
        }
+#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
        else
                drawing_frame->unset_bg(Gtk::STATE_NORMAL);
-
-
+#endif
 
        previous_focus=get_focus_point();
 
@@ -2118,6 +2163,14 @@ WorkArea::set_quality(int x)
        queue_render_preview();
 }
 
+void
+WorkArea::set_low_res_pixel_size(int x)
+{
+       if(x==low_res_pixel_size)
+               return;
+       low_res_pixel_size=x;
+       queue_render_preview();
+}
 
 namespace studio
 {
@@ -2163,6 +2216,13 @@ public:
 bool
 studio::WorkArea::async_update_preview()
 {
+       if (get_updating())
+       {
+               stop_updating();
+               queue_render_preview();
+               return false;
+       }
+
        async_renderer=0;
 
        queued=false;
@@ -2198,6 +2258,11 @@ studio::WorkArea::async_update_preview()
        int w=(int)(desc.get_w()*zoom);
        int h=(int)(desc.get_h()*zoom);
 
+       // ensure that the size we draw is at least one pixel in each dimension
+       int min_size = low_resolution ? low_res_pixel_size : 1;
+       if (w < min_size) w = min_size;
+       if (h < min_size) h = min_size;
+
        // Setup the description parameters
        desc.set_antialias(1);
        desc.set_time(cur_time);
@@ -2207,8 +2272,12 @@ studio::WorkArea::async_update_preview()
        // Create the render target
        handle<Target> target;
 
-       if(w*h>(low_resolution?480*270:480*270/2))
+       // if we have lots of pixels to render and the tile renderer isn't disabled, use it
+       int div;
+       div = low_resolution ? low_res_pixel_size : 1;
+       if (w*h > 240*div*135*div && !getenv("SYNFIG_DISABLE_TILE_RENDER"))
        {
+               // do a tile render
                handle<WorkAreaTarget> trgt(new class WorkAreaTarget(this,w,h));
 
                trgt->set_rend_desc(&desc);
@@ -2217,6 +2286,7 @@ studio::WorkArea::async_update_preview()
        }
        else
        {
+               // do a scanline render
                handle<WorkAreaTarget_Full> trgt(new class WorkAreaTarget_Full(this,w,h));
 
                trgt->set_rend_desc(&desc);
@@ -2241,7 +2311,7 @@ studio::WorkArea::async_update_preview()
        synfig::ProgressCallback *cb=get_canvas_view()->get_ui_interface().get();
 
        rendering=true;
-       cb->task("Rendering...");
+       cb->task(_("Rendering..."));
        rendering=true;
 
        return true;
@@ -2263,12 +2333,12 @@ studio::WorkArea::async_update_finished()
        {
                dirty=false;
                //queued=false;
-               cb->task("Idle");
+               cb->task(_("Idle"));
        }
        else
        {
                dirty=true;
-               cb->task("Render Failed");
+               cb->task(_("Render Failed"));
        }
        //get_canvas_view()->reset_cancel_status();
        done_rendering();
@@ -2342,7 +2412,7 @@ again:
        target->set_avoid_time_sync(true);
 
        if(cb)
-               cb->task(strprintf("Rendering canvas %s...",get_canvas()->get_name().c_str()));
+               cb->task(strprintf(_("Rendering canvas %s..."),get_canvas()->get_name().c_str()));
 
        bool ret = target->render(cb);
 
@@ -2358,9 +2428,9 @@ again:
        if(cb)
        {
                if(ret)
-                       cb->task("Idle");
+                       cb->task(_("Idle"));
                else
-                       cb->task("Render Failed");
+                       cb->task(_("Render Failed"));
                cb->amount_complete(0,1);
        }
 
@@ -2383,7 +2453,7 @@ again:
 }
 
 void
-studio::WorkArea::async_render_preview(Time time)
+studio::WorkArea::async_render_preview(synfig::Time time)
 {
        cur_time=time;
        //tile_book.clear();
@@ -2404,7 +2474,7 @@ WorkArea::async_render_preview()
 }
 
 bool
-studio::WorkArea::sync_render_preview(Time time)
+studio::WorkArea::sync_render_preview(synfig::Time time)
 {
        cur_time=time;
        //tile_book.clear();
@@ -2450,13 +2520,41 @@ WorkArea::queue_scroll()
 
        drawing_area->get_window()->scroll(-dx,-dy);
 
-       /*drawing_area->queue_draw_area(
-               0,
-               0,
-               128,
-               64
-       );
-       */
+       if (timecode_width && timecode_height)
+       {
+               drawing_area->queue_draw_area(4,       4,    4+timecode_width,    4+timecode_height);
+               drawing_area->queue_draw_area(4-dx, 4-dy, 4-dx+timecode_width, 4-dy+timecode_height);
+       }
+
+#ifndef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+       if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
+       {
+               int maxx = drawing_area->get_width()-1;
+               int maxy = drawing_area->get_height()-1;
+
+               if (dx > 0)
+               {
+                       drawing_area->queue_draw_area(      0, 0,       1, maxy);
+                       drawing_area->queue_draw_area(maxx-dx, 0, maxx-dx, maxy);
+               }
+               else if (dx < 0) 
+               {
+                       drawing_area->queue_draw_area(   maxx, 0,    maxx, maxy);
+                       drawing_area->queue_draw_area(    -dx, 0,     -dx, maxy);
+               }
+               if (dy > 0)
+               {
+                       drawing_area->queue_draw_area(0,       0, maxx,       1);
+                       drawing_area->queue_draw_area(0, maxy-dy, maxx, maxy-dy);
+               }
+               else if (dy < 0) 
+               {
+                       drawing_area->queue_draw_area(0,    maxy, maxx,    maxy);
+                       drawing_area->queue_draw_area(0,     -dy, maxx,     -dy);
+               }
+       }
+#endif // USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+
        last_focus_point=focus_point;
 }
 
@@ -2494,9 +2592,11 @@ studio::WorkArea::zoom_norm()
 gboolean
 studio::WorkArea::__render_preview(gpointer data)
 {
-
        WorkArea *work_area(static_cast<WorkArea*>(data));
 
+       // there's no point anyone trying to cancel the timer now - it's gone off already
+       work_area->render_idle_func_id = 0;
+
        work_area->queued=false;
        work_area->async_render_preview(work_area->get_canvas_view()->get_time());
 
@@ -2584,12 +2684,12 @@ studio::WorkArea::set_cursor(Gdk::CursorType x)
        drawing_area->get_window()->set_cursor(Gdk::Cursor(x));
 }
 
-#include "iconcontroler.h"
+#include "iconcontroller.h"
 
 void
 studio::WorkArea::refresh_cursor()
 {
-//     set_cursor(IconControler::get_tool_cursor(canvas_view->get_smach().get_state_name(),drawing_area->get_window()));
+//     set_cursor(IconController::get_tool_cursor(canvas_view->get_smach().get_state_name(),drawing_area->get_window()));
 }
 
 void