func (c *Core) Pan(dir []float64, reply *int) error {
c.Lock.Lock()
defer c.Lock.Unlock()
if len(dir) != 2 {
*reply = -1
return fmt.Errorf("Need a two dimansion vector to pan")
}
origins := mrclean.NewVisualOrigins()
for _, v := range c.Visuals {
v.Origin[0] += dir[0]
v.Origin[1] += dir[1]
origins.Vids = append(origins.Vids, v.ID)
origins.Origins = append(origins.Origins, v.Origin)
}
var repl int = 0
//log.Printf("calling Display.SetVisualsOrigin %v\n", origins)
err := client.Call("Display.SetVisualsOrigin", origins, &repl)
if err != nil {
*reply = -1
//log.Println("Display error setting Visuals orgin: ", err)
return err
}
if repl == 0 {
reply = &repl
} else {
log.Println("Something happened during Display.SetVisualsOrigin ", repl)
*reply = -1
}
return nil
}
func (c *Core) Group(layer string, reply *int) error {
c.Lock.Lock()
defer c.Lock.Unlock()
err := c.updatemetadata(layer)
if err != nil {
return err
}
//map af array of visuals, the key is the metadata/layer
groups := make(map[string][]*mrclean.Visual, len(c.Visuals))
//map of the maximum size of each group
rowsize := make(map[string]float64, len(c.Visuals))
for _, v := range c.Visuals {
groups[v.Meta[0]] = append(groups[v.Meta[0]], v)
rowsize[v.Meta[0]] = math.Max(v.Size[0], rowsize[v.Meta[0]])
}
dx := c.mx + 0.05 //5 cm
dy := 0.05 //c.my + 0.05 //5 cm
var origins *mrclean.VisualOrigins = mrclean.NewVisualOrigins()
for k, row := range groups {
lastpx := -c.DispW*0.5 + dx*0.5
lastpy := c.DispH*0.5 - dy - rowsize[k]*0.5 + 0.05
//keep track of the height
dy += rowsize[k] + 0.05
//sort the row the first part of teh metadaa is the same
//for all the element s in the row, the user should define the
//order of the rest of the metadata variables
By(metaf).Sort(row)
//put row by row on screen here
for _, v := range row {
v.Origin[0], v.Origin[1] = lastpx, lastpy
//keep track of the position locally
c.Visuals[v.Name].Origin = v.Origin
origins.Vids = append(origins.Vids, v.ID)
origins.Origins = append(origins.Origins, v.Origin)
lastpx += dx
}
// back to the left
//lastpx = -c.DispW*0.5 + dx*0.5
// next row
//lastpy -= dy
}
//CALL
var repl int = 0
//log.Printf("calling Display.SetVisualsOrigin %v\n", origins)
err = client.Call("Display.SetVisualsOrigin", origins, &repl)
if err != nil {
*reply = -1
//log.Println("Display error setting Visuals orgin: ", err)
return err
}
if repl == 0 {
reply = &repl
} else {
log.Println("Something happened during Display.SetVisualsOrigin ", repl)
*reply = -1
}
return nil
}
//Sort handle the gestures received from ths users to sort the visuals
func (c *Core) Sort(layersorder string, reply *int) error {
c.Lock.Lock()
defer c.Lock.Unlock()
err := c.updatemetadata(layersorder)
if err != nil {
return err
}
//need to copy the map in a slice to sort it
//maybe this should change
visuals := make([]*mrclean.Visual, 0, len(c.Visuals))
for _, v := range c.Visuals {
visuals = append(visuals, v)
}
log.Printf("sorting: len(visuals) = %v\n", len(visuals))
//SORT
By(metaf).Sort(visuals)
//loop to put the visuals on screen
// evenly spaced and sorted
dx := c.mx + 0.05 //5 cm
dy := c.my + 0.05 //5 cm
var (
row float64 = 1.0
lastpx = -c.DispW*0.5 + dx*0.5
lastpy = c.DispH*0.5 - dy*0.5*row
origins *mrclean.VisualOrigins = mrclean.NewVisualOrigins()
)
//log.Printf("dx: %f, dy: %f\n", dx, dy)
//log.Printf(" lastpx: %f lastpy: %f \n", lastpx, lastpy)
for i := range visuals {
visuals[i].Origin[0], visuals[i].Origin[1] = lastpx, lastpy
//keep track of the position locally
c.Visuals[visuals[i].Name].Origin = visuals[i].Origin
//log.Println("Origin: ", visuals[i].Origin)
//fmt.Println("before: ", v.rect, v.rect.Center())
//fmt.Println("after: ", v.rect, v.rect.Center())
origins.Vids = append(origins.Vids, visuals[i].ID)
origins.Origins = append(origins.Origins, visuals[i].Origin)
lastpx += dx
//log.Printf(" lastpx+dx: %f c.DispW*0.5: %f \n", lastpx+dx, c.DispW*0.5)
if lastpx+dx > c.DispW*0.5 {
lastpx = -c.DispW*0.5 + dx*0.5
row += 1
lastpy -= dy //c.DispH*0.5 - dy*row //c.DispH - row*dy
//log.Printf("New ROW: %f ", row)
}
//log.Printf(" lastpx: %f lastpy: %f \n", lastpx, lastpy)
}
//CALL
var repl int = 0
//log.Printf("calling Display.SetVisualsOrigin %v\n", origins)
err = client.Call("Display.SetVisualsOrigin", origins, &repl)
if err != nil {
*reply = -1
//log.Println("Display error setting Visuals orgin: ", err)
return err
}
if repl == 0 {
reply = &repl
} else {
log.Println("Something happened during Display.SetVisualsOrigin ", repl)
*reply = -1
}
//here we set the position of th evisuals locally
//for _, v := range visuals{
// c.Visuals[v.Name]
return nil
}