add drag edit render_handle_frame
[goodguy/history.git] / cinelerra-5.1 / cinelerra / trackcanvas.C
index 061545bac18728ba5f25be967788c789a304367f..cbc62e1f1a7f4b3055594077b68ae5486e538fe9 100644 (file)
@@ -27,6 +27,8 @@
 #include "bctimer.h"
 #include "clip.h"
 #include "bccolors.h"
+#include "cache.h"
+#include "canvas.h"
 #include "cplayback.h"
 #include "cursors.h"
 #include "cwindowgui.h"
@@ -67,6 +69,7 @@
 #include "pluginset.h"
 #include "plugintoggles.h"
 #include "preferences.h"
+#include "renderengine.h"
 #include "resourcepixmap.h"
 #include "resourcethread.h"
 #include "swindow.h"
@@ -80,6 +83,7 @@
 #include "transportque.h"
 #include "vframe.h"
 #include "vpatchgui.inc"
+#include "vrender.h"
 #include "zoombar.h"
 
 #include <string.h>
@@ -1392,11 +1396,17 @@ void TrackCanvas::get_transition_coords(Edit *edit,
                int64_t &x, int64_t &y, int64_t &w, int64_t &h)
 {
        int transition_w = 30, transition_h = 30;
-
-       if( edit->track->show_titles() )
-               y += mwindow->theme->get_image("title_bg_data")->get_h();
-       if( edit->track->show_assets() )
-               y += resource_h() / 2;
+       int has_titles = edit->track->show_titles();
+       int has_assets = edit->track->show_assets();
+       double title_bg_h = mwindow->theme->get_image("title_bg_data")->get_h();
+       double asset_h = resource_h();
+       double ys = has_assets ? asset_h : has_titles ? title_bg_h : 0;
+       double dy = has_titles ?
+               ( has_assets ? title_bg_h + asset_h/2 : title_bg_h/2 ) :
+               ( has_assets ? asset_h/2 : 0) ;
+       double title_h = mwindow->theme->title_h;
+       if( dy < title_h / 2 ) { ys = title_h;  dy = ys / 2; }
+       y += dy;
 
        x -= transition_w / 2;
        y -= transition_h / 2;
@@ -1837,32 +1847,32 @@ void TrackCanvas::draw_transitions()
                for(Edit *edit = track->edits->first; edit; edit = edit->next) {
                        if(!edit->transition) continue;
                        edit_dimensions(edit, x, y, w, h);
-                       int strip_x = x, strip_y = y;
-                       if( track->show_titles() )
-                               strip_y += mwindow->theme->get_image("title_bg_data")->get_h();
+                       int strip_x = x, edit_y = y;
                        get_transition_coords(edit, x, y, w, h);
+                       int strip_y = y - mwindow->theme->get_image("plugin_bg_data")->get_h();
+                       if( track->show_assets() && track->show_titles() )
+                               edit_y += mwindow->theme->get_image("title_bg_data")->get_h();
+                       if( strip_y < edit_y ) strip_y = edit_y;
+
                        int strip_w = Units::round(edit->track->from_units(edit->transition->length) *
                                mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample);
                        if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
-                               MWindowGUI::visible(y, y + h, 0, get_h()) )
-                       {
+                           MWindowGUI::visible(y, y + h, 0, get_h()) ) {
                                PluginServer *server = mwindow->scan_plugindb(edit->transition->title,
                                                track->data_type);
                                if( !server ) continue;
                                VFrame *picon = server->get_picon();
                                if( !picon ) continue;
-                               draw_vframe(picon, x, y, w, h, 0, 0, picon->get_w(), picon->get_h());
+                               int picon_w = picon->get_w(), picon_h = picon->get_h();
+                               int track_h = edit->track->vertical_span(mwindow->theme);
+                               if( picon_h > track_h ) picon_h = track_h;
+                               draw_vframe(picon, x, y, w, h, 0, 0, picon_w, picon_h);
                        }
                        if(MWindowGUI::visible(strip_x, strip_x + strip_w, 0, get_w()) &&
-                               MWindowGUI::visible(strip_y, strip_y + h, 0, get_h()))
-                       {
+                               MWindowGUI::visible(strip_y, strip_y + h, 0, get_h())) {
                                int x = strip_x, w = strip_w;
-                               if(x < 0)
-                               {
-                                       w -= -x;
-                                       x = 0;
-                               }
-                               if(w + x > get_w()) w -= (w + x) - get_w();
+                               if( x < 0 ) {  w -= -x;  x = 0; }
+                               if( w + x > get_w() ) w -= (w + x) - get_w();
 
                                draw_3segmenth( x, strip_y, w, strip_x, strip_w,
                                        mwindow->theme->get_image("plugin_bg_data"), 0);
@@ -2852,6 +2862,7 @@ void TrackCanvas::calculate_viewport(Track *track,
        double &zoom_sample,
        double &zoom_units)
 {
+
        view_start = (double)mwindow->edl->local_session->view_start[pane->number] *
                mwindow->edl->local_session->zoom_sample /
                mwindow->edl->session->sample_rate;
@@ -2861,15 +2872,23 @@ void TrackCanvas::calculate_viewport(Track *track,
                mwindow->edl->local_session->zoom_sample /
                mwindow->edl->session->sample_rate;
        unit_end = track->to_doubleunits(view_end);
-       yscale = resource_h();
-       center_pixel = track->y_pixel
+
+       int y = track->y_pixel
                        - mwindow->edl->local_session->track_start[pane->number];
-       if( track->show_assets() )
-               center_pixel += yscale / 2;
-       if( track->show_titles() )
-               center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
-       zoom_sample = mwindow->edl->local_session->zoom_sample;
+       int has_titles = track->show_titles();
+       int has_assets = track->show_assets();
+       double title_bg_h = mwindow->theme->get_image("title_bg_data")->get_h();
+       double asset_h = resource_h();
+       double title_h = mwindow->theme->title_h;
+       double ys = has_assets ? asset_h : has_titles ? title_bg_h : 0;
+       double dy = has_titles ?
+               ( has_assets ? title_bg_h + asset_h/2 : title_bg_h/2) :
+               ( has_assets ? asset_h/2 : 0) ;
+       if( dy < title_h/2 ) { ys = title_h;  dy = ys / 2; }
+       yscale = ys;
+       center_pixel = y + dy;
 
+       zoom_sample = mwindow->edl->local_session->zoom_sample;
        zoom_units = track->to_doubleunits(zoom_sample / mwindow->edl->session->sample_rate);
 }
 
@@ -3582,16 +3601,87 @@ void TrackCanvas::update_drag_handle()
        {
                mwindow->session->drag_position = new_position;
                gui->mainclock->update(new_position);
-
-
                timebar_position = new_position;
                gui->update_timebar(0);
-// Que the CWindow.  Doesn't do anything if selectionstart and selection end
-// aren't changed.
-//             mwindow->cwindow->update(1, 0, 0);
+
+               EDL *edl = new EDL;
+               edl->create_objects();
+               edl->copy_all(mwindow->edl);
+               MainSession *session = mwindow->session;
+               int edit_mode = mwindow->edl->session->edit_handle_mode[session->drag_button];
+               edl->modify_edithandles(session->drag_start,
+                       session->drag_position,
+                       session->drag_handle,
+                       edit_mode,
+                       edl->session->labels_follow_edits,
+                       edl->session->plugins_follow_edits,
+                       edl->session->autos_follow_edits);
+               double position = edit_mode != MOVE_NO_EDITS &&
+                       ( session->drag_handle || edit_mode == MOVE_ONE_EDIT ) ?
+                               session->drag_position : session->drag_start;
+               Track *track = session->drag_edit->edits->track;
+               int64_t pos = track->to_units(position, 0);
+               render_handle_frame(edl, pos, shift_down() ? 0 :
+                       session->drag_handle ? 1 : 2);
+               edl->remove_user();
        }
 }
 
+int TrackCanvas::render_handle_frame(EDL *edl, int64_t pos, int mode)
+{
+       int result = 0;
+       int64_t left = pos-1;
+       if( left < 0 ) left = 0;
+       switch( mode ) {
+       case 0: {
+               VFrame vlt(edl->get_w(), edl->get_h(), edl->session->color_model);
+               VFrame vrt(edl->get_w(), edl->get_h(), edl->session->color_model);
+               TransportCommand command;
+               command.command = CURRENT_FRAME;
+               command.get_edl()->copy_all((EDL *)edl);
+               command.change_type = CHANGE_ALL;
+               command.realtime = 0;
+               Preferences *preferences = mwindow->preferences;
+               RenderEngine *render_engine = new RenderEngine(0, preferences, 0, 0);
+               CICache *video_cache = new CICache(preferences);
+               render_engine->set_vcache(video_cache);
+               render_engine->arm_command(&command);
+               int64_t left = pos-1;
+               if( left < 0 ) left = 0;
+               VRender *vrender = render_engine->vrender;
+               result = vrender &&
+                       !vrender->process_buffer(&vlt, left, 0) &&
+                       !vrender->process_buffer(&vrt, pos , 0) ? 0 : 1;
+               delete render_engine;
+               delete video_cache;
+               mwindow->cwindow->gui->lock_window("TrackCanvas::render_handle_frame 0");
+               Canvas *canvas = mwindow->cwindow->gui->canvas;
+               canvas->lock_canvas("TrackCanvas::render_handle_frame 1");
+               int w = canvas->w, h = canvas->h, w2 = w/2, h2 = h/2;
+               int lx = 0, ly = h2/2, rx = w2, ry = h2/2;
+               BC_WindowBase *window = canvas->get_canvas();
+               window->draw_vframe(&vlt, lx,ly, w2,h2, 0,0,vlt.get_w(),vlt.get_h());
+               window->draw_vframe(&vrt, rx,ry, w2,h2, 0,0,vrt.get_w(),vrt.get_h());
+               window->flash(1);
+               canvas->unlock_canvas();
+               mwindow->cwindow->gui->unlock_window();
+               break; }
+       case 1:
+       case 2: {
+               Track *track = mwindow->session->drag_edit->edits->track;
+               double position = track->from_units(mode == 1 ? left : pos);
+               if( position < 0 ) position = 0;
+               edl->local_session->set_selectionstart(position);
+               edl->local_session->set_selectionend(position);
+               PlaybackEngine *playback_engine = mwindow->cwindow->playback_engine;
+               if( playback_engine->is_playing_back )
+                       playback_engine->stop_playback(1);
+               mwindow->cwindow->playback_engine->refresh_frame(CHANGE_EDL, edl, 0);
+               break; }
+       }
+       return result;
+}
+
 int TrackCanvas::update_drag_edit()
 {
        int result = 0;