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;
}
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;
}
void framedraw_redraw(lives_special_framedraw_rect_t *framedraw, boolean reload, LiVESPixbuf *pixbuf) {
// this will draw the mask (framedraw_bitmap) and optionally reload the image
// and then combine them
int fd_height;
int fd_width;
int width,height;
double xstartf,ystartf,xendf,yendf;
lives_painter_t *cr;
if (mainw->current_file<1||cfile==NULL) return;
if (framedraw->rfx->source_type==LIVES_RFX_SOURCE_RFX)
if (noupdate) return;
fd_width=lives_widget_get_allocation_width(mainw->framedraw);
fd_height=lives_widget_get_allocation_height(mainw->framedraw);
width=cfile->hsize;
height=cfile->vsize;
calc_maxspect(fd_width,fd_height,&width,&height);
// copy from orig, resize
// copy orig layer to layer
if (mainw->fd_layer!=NULL) {
weed_layer_free(mainw->fd_layer);
mainw->fd_layer=NULL;
}
if (reload||mainw->fd_layer_orig==NULL) load_framedraw_image(pixbuf);
mainw->fd_layer=weed_layer_copy(NULL,mainw->fd_layer_orig);
// resize to correct size
resize_layer(mainw->fd_layer, width, height, LIVES_INTERP_BEST, WEED_PALETTE_END, 0);
cr=layer_to_lives_painter(mainw->fd_layer);
// draw on the lives_painter
// her we dont offset because we are drawing in the pixbuf, not the widget
switch (framedraw->type) {
case LIVES_PARAM_SPECIAL_TYPE_RECT_MULTRECT: // deprecated
// scale values
if (framedraw->xstart_param->dp==0) {
xstartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf/(double)cfile->hsize*(double)width;
} else {
xstartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf*(double)width;
}
if (framedraw->xend_param->dp==0) {
xendf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->xend_param->widgets[0]));
xendf=xendf/(double)cfile->hsize*(double)width;
} else {
xendf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->xend_param->widgets[0]));
xendf=xendf*(double)width;
}
if (framedraw->ystart_param->dp==0) {
ystartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf/(double)cfile->vsize*(double)height;
} else {
ystartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf*(double)height;
}
if (framedraw->yend_param->dp==0) {
yendf=lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->yend_param->widgets[0]));
yendf=yendf/(double)cfile->vsize*(double)height;
} else {
yendf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->yend_param->widgets[0]));
yendf=yendf*(double)height;
}
lives_painter_set_source_rgb(cr, 1., 0., 0.);
lives_painter_rectangle(cr,xstartf-1.,ystartf-1.,xendf+2.,yendf+2.);
lives_painter_stroke(cr);
break;
case LIVES_PARAM_SPECIAL_TYPE_RECT_MULTIRECT:
case LIVES_PARAM_SPECIAL_TYPE_RECT_DEMASK:
if (framedraw->xstart_param->dp==0) {
xstartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf/(double)cfile->hsize*(double)width;
} else {
xstartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf*(double)width;
}
if (framedraw->xend_param->dp==0) {
xendf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->xend_param->widgets[0]));
xendf=xendf/(double)cfile->hsize*(double)width;
} else {
xendf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->xend_param->widgets[0]));
xendf=xendf*(double)width;
}
if (framedraw->ystart_param->dp==0) {
ystartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf/(double)cfile->vsize*(double)height;
} else {
ystartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf*(double)height;
}
if (framedraw->yend_param->dp==0) {
yendf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->yend_param->widgets[0]));
yendf=yendf/(double)cfile->vsize*(double)height;
} else {
yendf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->yend_param->widgets[0]));
yendf=yendf*(double)height;
}
if (b1_held||framedraw->type==LIVES_PARAM_SPECIAL_TYPE_RECT_MULTIRECT) {
lives_painter_set_source_rgb(cr, 1., 0., 0.);
lives_painter_rectangle(cr,xstartf-1.,ystartf-1.,xendf-xstartf+2.,yendf-ystartf+2.);
lives_painter_stroke(cr);
} else {
if (!b1_held) {
// create a mask which is only opaque within the clipping area
lives_painter_rectangle(cr,0,0,width,height);
lives_painter_rectangle(cr,xstartf,ystartf,xendf-xstartf+1.,yendf-ystartf+1.);
lives_painter_set_operator(cr, LIVES_PAINTER_OPERATOR_DEST_OUT);
lives_painter_set_source_rgba(cr, .0, .0, .0, .5);
lives_painter_set_fill_rule(cr, LIVES_PAINTER_FILL_RULE_EVEN_ODD);
lives_painter_fill(cr);
}
}
break;
case LIVES_PARAM_SPECIAL_TYPE_SINGLEPOINT:
if (framedraw->xstart_param->dp==0) {
xstartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf/(double)cfile->hsize*(double)width;
} else {
xstartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->xstart_param->widgets[0]));
xstartf=xstartf*(double)width;
}
if (framedraw->ystart_param->dp==0) {
ystartf=(double)lives_spin_button_get_value_as_int(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf/(double)cfile->vsize*(double)height;
} else {
ystartf=lives_spin_button_get_value(LIVES_SPIN_BUTTON(framedraw->ystart_param->widgets[0]));
ystartf=ystartf*(double)height;
}
lives_painter_set_source_rgb(cr, 1., 0., 0.);
lives_painter_move_to(cr,xstartf,ystartf-3);
lives_painter_line_to(cr,xstartf,ystartf+3);
lives_painter_stroke(cr);
lives_painter_move_to(cr,xstartf-3,ystartf);
lives_painter_line_to(cr,xstartf+3,ystartf);
lives_painter_stroke(cr);
break;
default:
break;
}
lives_painter_to_layer(cr, mainw->fd_layer);
lives_painter_destroy(cr);
redraw_framedraw_image();
}