C++ (Cpp) pixbuf_to_layer Examples

Example #1

File: framedraw.c Project: nanu-c/LiVES

void load_framedraw_image(LiVESPixbuf *pixbuf) {
  // this is for the single frame framedraw widget
  // it should be called whenever mainw->framedraw_bitmap changes

  weed_timecode_t tc;

  if (mainw->framedraw_frame>cfile->frames) mainw->framedraw_frame=cfile->frames;

  if (pixbuf==NULL) {
    const char *img_ext=get_image_ext_for_type(cfile->img_type);

    // can happen if we preview for rendered generators
    if ((mainw->multitrack==NULL||mainw->current_file!=mainw->multitrack->render_file)&&mainw->framedraw_frame==0) return;

    tc=((mainw->framedraw_frame-1.))/cfile->fps*U_SECL;
    pixbuf=pull_lives_pixbuf_at_size(mainw->current_file,mainw->framedraw_frame,img_ext,tc,
                                     (double)cfile->hsize,(double)cfile->vsize,
                                     LIVES_INTERP_BEST);
  }

  if (pixbuf!=NULL) {
    if (mainw->fd_layer_orig!=NULL) {
      weed_layer_free(mainw->fd_layer_orig);
    }

    mainw->fd_layer_orig=weed_layer_new(0,0,NULL,WEED_PALETTE_END);

    if (!pixbuf_to_layer(mainw->fd_layer_orig,pixbuf)) lives_object_unref(pixbuf);

  }

  if (mainw->fd_layer!=NULL) weed_layer_free(mainw->fd_layer);
  mainw->fd_layer=NULL;

}

Example #2

File: framedraw.c Project: tbe/LiVES

void load_framedraw_image(LiVESPixbuf *pixbuf) {
  // this is for the single frame framedraw widget
  // it should be called whenever mainw->framedraw_bitmap changes

  weed_timecode_t tc;

  boolean needs_unlock=FALSE;

  if (mainw->framedraw_frame>cfile->frames) mainw->framedraw_frame=cfile->frames;

  if (pixbuf==NULL) {
    const char *img_ext=get_image_ext_for_type(cfile->img_type);

    // can happen if we preview for rendered generators
    if ((mainw->multitrack==NULL||mainw->current_file!=mainw->multitrack->render_file)&&mainw->framedraw_frame==0) return;

    tc=((mainw->framedraw_frame-1.))/cfile->fps*U_SECL;
    pixbuf=pull_lives_pixbuf_at_size(mainw->current_file,mainw->framedraw_frame,img_ext,tc,
                                     (double)cfile->hsize,(double)cfile->vsize,
                                     LIVES_INTERP_BEST);
  }

  if (pixbuf!=NULL) {
    if (mainw->fd_layer_orig!=NULL) {
      weed_layer_free(mainw->fd_layer_orig);
    }

    mainw->fd_layer_orig=weed_layer_new(0,0,NULL,WEED_PALETTE_END);

    if (pixbuf_to_layer(mainw->fd_layer_orig,pixbuf)) {
      mainw->do_not_free=(livespointer)lives_pixbuf_get_pixels_readonly(pixbuf);
      // might be threaded here so we need a mutex to stop other thread resetting free_fn
      pthread_mutex_lock(&mainw->free_fn_mutex);
      needs_unlock=TRUE;
      mainw->free_fn=_lives_free_with_check;
    }
    lives_object_unref(pixbuf);
    mainw->do_not_free=NULL;
    mainw->free_fn=_lives_free_normal;
    if (needs_unlock) pthread_mutex_unlock(&mainw->free_fn_mutex);

  }

  if (mainw->fd_layer!=NULL) weed_layer_free(mainw->fd_layer);
  mainw->fd_layer=NULL;

}