12 canvas->
drawLine(20, 20, 236, 236, p);
constexpr SkColor SK_ColorRED
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, const SkPaint &paint)
@ kStroke_Style
set to stroke geometry
#define REG_FIDDLE(NAME, W, H, TEXT, I)