Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / strack.C

diff --git a/cinelerra-5.1/cinelerra/strack.C b/cinelerra-5.1/cinelerra/strack.C
new file mode 100644 (file)
index 0000000..82435a2
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/strack.C
@@ -0,0 +1,190 @@
+#include "clip.h"
+#include "edit.h"
+#include "edits.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "datatype.h"
+#include "filexml.h"
+#include "localsession.h"
+#include "mainsession.h"
+#include "strack.h"
+#include "theme.h"
+#include "trackcanvas.h"
+#include "tracks.h"
+
+#include <string.h>
+
+STrack::STrack(EDL *edl, Tracks *tracks)
+ : Track(edl, tracks)
+{
+       data_type = TRACK_SUBTITLE;
+}
+
+STrack::~STrack()
+{
+}
+
+
+// Used by PlaybackEngine
+void STrack::synchronize_params(Track *track)
+{
+       Track::synchronize_params(track);
+}
+
+int STrack::copy_settings(Track *track)
+{
+       Track::copy_settings(track);
+       return 0;
+}
+
+int STrack::load_defaults(BC_Hash *defaults)
+{
+       Track::load_defaults(defaults);
+       return 0;
+}
+
+void STrack::set_default_title()
+{
+       Track *current = ListItem<Track>::owner->first;
+       int i;
+       for(i = 0; current; current = NEXT)
+       {
+               if(current->data_type == TRACK_SUBTITLE) i++;
+       }
+       sprintf(title, _("Subttl %d"), i);
+}
+
+void STrack::create_objects()
+{
+       Track::create_objects();
+       automation = new SAutomation(edl, this);
+       automation->create_objects();
+       edits = new SEdits(edl, this);
+}
+
+int STrack::vertical_span(Theme *theme)
+{
+       int track_h = Track::vertical_span(theme);
+       int patch_h = 0;
+       return track_h + patch_h;
+}
+
+
+int64_t STrack::to_units(double position, int round)
+{
+        if(round)
+        {
+                return Units::round(position * edl->session->frame_rate);
+        }
+        else
+        {
+// Kludge for rounding errors, just on a smaller scale than formal rounding
+                position *= edl->session->frame_rate;
+                return Units::to_int64(position);
+        }
+}
+
+double STrack::to_doubleunits(double position)
+{
+        return position * edl->session->frame_rate;
+}
+
+
+double STrack::from_units(int64_t position)
+{
+        return (double)position / edl->session->frame_rate;
+}
+
+
+
+
+int STrack::identical(int64_t sample1, int64_t sample2)
+{
+// Units of frames
+       if(labs(sample1 - sample2) <= 1) return 1; else return 0;
+}
+
+int STrack::save_header(FileXML *file)
+{
+       file->tag.set_property("TYPE", "SUBTTL");
+       return 0;
+}
+
+int STrack::save_derived(FileXML *file)
+{
+       file->append_newline();
+       return 0;
+}
+
+int STrack::load_header(FileXML *file, uint32_t load_flags)
+{
+       return 0;
+}
+
+int STrack::load_derived(FileXML *file, uint32_t load_flags)
+{
+       return 0;
+}
+
+
+int STrack::get_dimensions(int pane_number,
+       double &view_start,
+       double &view_units,
+       double &zoom_units)
+{
+       view_start = edl->local_session->view_start[pane_number] * edl->session->frame_rate;
+       view_units = 0;
+//     view_units = Units::toframes(tracks->view_samples(), mwindow->session->sample_rate, mwindow->session->frame_rate);
+       zoom_units = edl->local_session->zoom_sample / edl->session->sample_rate * edl->session->frame_rate;
+       return 0;
+}
+
+int64_t STrack::length()
+{
+       return edits->length();
+}
+
+SEdit::SEdit(EDL *edl, Edits *edits)
+ : Edit(edl, edits)
+{
+       text[0] = 0;
+}
+
+SEdit::~SEdit()
+{
+}
+
+
+
+void SEdit::
+copy_from(Edit *edit)
+{
+       Edit::copy_from(edit);
+       SEdit *sedit = (SEdit*)edit;
+       strcpy(text,sedit->text);
+}
+
+int SEdit::load_properties_derived(FileXML *xml)
+{
+       xml->tag.get_property("TEXT", text);
+       return 0;
+}
+
+int SEdit::copy_properties_derived(FileXML *xml, int64_t length_in_selection)
+{
+       xml->tag.set_property("TEXT", text);
+       return 0;
+}
+
+
+int SEdit::dump_derived()
+{
+       return 0;
+}
+
+
+int64_t SEdit::get_source_end(int64_t default_)
+{
+       return default_;   // Infinity
+}
+