// Renderer (https://wiki.libsdl.org/SDL_RenderDrawLines)
func (renderer *Renderer) DrawLines(points []Point) error {
_ret := C.SDL_RenderDrawLines(renderer.cptr(), points[0].cptr(), C.int(len(points)))
if _ret < 0 {
return GetError()
}
return nil
}
func (r *Renderer) DrawLines(points []Point) bool {
pptr := unsafe.Pointer(&points[0])
n := len(points)
ret := C.SDL_RenderDrawLines(r.cRenderer, (*C.SDL_Point)(pptr), C.int(n))
return int(ret) == 0
}
func (renderer *Renderer) DrawLines(points *[]Point, count int) int {
_renderer := (*C.SDL_Renderer)(unsafe.Pointer(renderer))
_points := (*C.SDL_Point)(unsafe.Pointer(&(*points)[0]))
_count := (C.int)(count)
return (int)(C.SDL_RenderDrawLines(_renderer, _points, _count))
}
func (renderer *Renderer) DrawLines(points []Point) int {
_renderer := (*C.SDL_Renderer)(unsafe.Pointer(renderer))
_points := (*C.SDL_Point)(unsafe.Pointer(&points[0]))
_count := (C.int)(len(points))
return (int)(C.SDL_RenderDrawLines(_renderer, _points, _count))
}
func (renderer *Renderer) DrawLines(points []Point) int {
return int(C.SDL_RenderDrawLines(renderer.cptr(), points[0].cptr(), C.int(len(points))))
}
// DrawLines draws a series of connected lines on the canvas.
func (c Canvas) DrawLines(points ...image.Point) {
if C.SDL_RenderDrawLines(c.win.rend, sdlPoints(points), C.int(len(points))) < 0 {
panic(sdlError())
}
}