func getCanvas(col, row int, img image.Image) gat.Rect {
switch {
case col > 0:
return gat.Rect{
Col: uint16(col), // restrict output canvas by given "col"
Row: uint16(float64(col) * (float64(img.Bounds().Max.Y) / float64(img.Bounds().Max.X))),
}
case row > 0:
return gat.Rect{
Row: uint16(row), // restrict output canvas by given "row"
Col: uint16(float64(row) * (float64(img.Bounds().Max.X) / float64(img.Bounds().Max.Y))),
}
default:
canvas, terminal := gat.Rect{}, gat.GetTerminal()
rAvailable, rSource := float64(terminal.Col)/float64(terminal.Row)/float64(len(gat.Cell)), float64(img.Bounds().Size().X)/float64(img.Bounds().Size().Y)
if rAvailable > rSource { // source image is vertically bigger than available canvas
canvas.Row = terminal.Row // restrict output canvas by current terminal's row
canvas.Col = uint16(float64(terminal.Row) * rSource / float64(len(gat.Cell)))
} else { // source image is horizontally bigger than available canvas
canvas.Col = terminal.Col // restrict output canvas by current terminal's col
canvas.Row = uint16(float64(terminal.Col) / rSource / float64(len(gat.Cell)))
}
return canvas
}
}
func main() {
if daemon {
startDaemon()
return
}
entry := amesh.GetEntry()
meshLayer, err := getImage(entry.Mesh)
onerror(err)
base := image.NewRGBA(meshLayer.Bounds())
if geo {
geoLayer, err := getImage(entry.Map)
onerror(err)
draw.Draw(base, base.Bounds(), geoLayer, image.Point{0, 0}, 0)
}
draw.Draw(base, meshLayer.Bounds(), meshLayer, image.Point{0, 0}, 0)
if mesh {
mapLayer, err := getImage(entry.Mask)
onerror(err)
draw.Draw(base, base.Bounds(), mapLayer, image.Point{0, 0}, 0)
}
gat.NewClient(gat.GetTerminal()).Set(gat.SimpleBorder{}).PrintImage(base)
fmt.Println("#amesh", entry.URL)
}