void Initialize()
{
orientation = ArrowOrientation.Right;
arrowPaint = new Paint {
Color = Color.Rgb(0x77, 0x77, 0x77),
//Color = Color.Black,
AntiAlias = true
};
}
public void SetOrientation(ArrowOrientation orientation, bool animate = true)
{
Orientation = orientation;
animator = ValueAnimator.OfFloat(0f, 1f);
animator.SetDuration(250);
animator.Update += (sender, e) => Alpha = (float)e.Animation.AnimatedValue;
animator.AnimationEnd += (sender, e) => { animator.RemoveAllListeners(); animator = null; };
animator.Start();
}
public void DrawArrow(Rectangle r, ArrowOrientation orientation, bool color)
{
int height = r.P2.Y - r.P1.Y;
int width = r.P2.X - r.P1.X;
float inc = 0;
if (orientation == ArrowOrientation.Left || orientation == ArrowOrientation.Right)
{
inc = (((float)height) / 2.0f) / ((float)width);
}
else
{
inc = (((float)width) / 2.0f) / ((float)height);
}
if (orientation == ArrowOrientation.Left)
{
for (int i = 0; i < width; i++)
{
SetPixel((int)(r.P1.X + i), (int)(r.P1.Y + height / 2), color);
int points = (int)(inc * (float)i) + 1;
for (int j = 0; j < points; j++)
{
SetPixel((int)(r.P1.X + i), (int)(r.P1.Y + height / 2 + j), color);
SetPixel((int)(r.P1.X + i), (int)(r.P1.Y + height / 2 - j), color);
}
}
}
if (orientation == ArrowOrientation.Right)
{
for (int i = 0; i < width; i++)
{
SetPixel((int)(r.P2.X - i), (int)(r.P1.Y + height / 2), color);
int points = (int)(inc * (float)i) + 1;
for (int j = 0; j < points; j++)
{
SetPixel((int)(r.P2.X - i), (int)(r.P1.Y + height / 2 + j), color);
SetPixel((int)(r.P2.X - i), (int)(r.P1.Y + height / 2 - j), color);
}
}
}
if (orientation == ArrowOrientation.Up)
{
for (int i = 0; i < height; i++)
{
SetPixel((int)(r.P1.X + width / 2), (int)(r.P1.Y + i), color);
int points = (int)(inc * (float)i) + 1;
for (int j = 0; j < points; j++)
{
SetPixel((int)(r.P1.X + width / 2 + j), (int)(r.P1.Y + i), color);
SetPixel((int)(r.P1.X + width / 2 - j), (int)(r.P1.Y + i), color);
}
}
}
if (orientation == ArrowOrientation.Down)
{
for (int i = 0; i < height; i++)
{
SetPixel((int)(r.P1.X + width / 2), (int)(r.P2.Y - i), color);
int points = (int)(inc * (float)i) + 1;
for (int j = 0; j < points; j++)
{
SetPixel((int)(r.P1.X + width / 2 + j), (int)(r.P2.Y - i), color);
SetPixel((int)(r.P1.X + width / 2 - j), (int)(r.P2.Y - i), color);
}
}
}
}
public void SetOrientation(ArrowOrientation orientation, bool animate = true)
{
Orientation = orientation;
animator = ValueAnimator.OfFloat (0f, 1f);
animator.SetDuration (250);
animator.Update += (sender, e) => Alpha = (float)e.Animation.AnimatedValue;
animator.AnimationEnd += (sender, e) => { animator.RemoveAllListeners (); animator = null; };
animator.Start ();
}
void Initialize()
{
orientation = ArrowOrientation.Right;
arrowPaint = new Paint {
Color = Color.Rgb (0x77, 0x77, 0x77),
//Color = Color.Black,
AntiAlias = true
};
}
public void DrawArrow(Rectangle r, ArrowOrientation orientation, bool color)
{
int height = r.P2.Y - r.P1.Y;
int width = r.P2.X - r.P1.X;
float inc = 0;
if (orientation == ArrowOrientation.Left || orientation == ArrowOrientation.Right)
{
inc = (((float)height) / 2.0f) / ((float)width);
}
else
{
inc = (((float)width) / 2.0f) / ((float)height);
}
if (orientation == ArrowOrientation.Left) {
for (int i = 0; i < width; i++) {
SetPixel ((int)(r.P1.X + i), (int)(r.P1.Y + height/2), color);
int points = (int)(inc*(float)i)+1;
for (int j = 0; j < points; j++) {
SetPixel ((int)(r.P1.X + i), (int)(r.P1.Y + height / 2 +j), color);
SetPixel ((int)(r.P1.X + i), (int)(r.P1.Y + height / 2 -j), color);
}
}
}
if (orientation == ArrowOrientation.Right) {
for (int i = 0; i < width; i++) {
SetPixel ((int)(r.P2.X - i), (int)(r.P1.Y + height/2), color);
int points = (int)(inc*(float)i)+1;
for (int j = 0; j < points; j++) {
SetPixel ((int)(r.P2.X -i), (int)(r.P1.Y + height / 2 +j), color);
SetPixel ((int)(r.P2.X -i), (int)(r.P1.Y + height / 2 -j), color);
}
}
}
if (orientation == ArrowOrientation.Up) {
for (int i = 0; i < height; i++) {
SetPixel ((int)(r.P1.X + width/2), (int)(r.P1.Y + i), color);
int points = (int)(inc*(float)i)+1;
for (int j = 0; j < points; j++) {
SetPixel ((int)(r.P1.X + width/2+j), (int)(r.P1.Y + i), color);
SetPixel ((int)(r.P1.X + width/2-j), (int)(r.P1.Y + i), color);
}
}
}
if (orientation == ArrowOrientation.Down) {
for (int i = 0; i < height; i++) {
SetPixel ((int)(r.P1.X + width/2), (int)(r.P2.Y -i), color);
int points = (int)(inc*(float)i)+1;
for (int j = 0; j < points; j++) {
SetPixel ((int)(r.P1.X + width/2+j), (int)(r.P2.Y - i), color);
SetPixel ((int)(r.P1.X + width/2-j), (int)(r.P2.Y - i), color);
}
}
}
}
public Arrow(ArrowOrientation orientation)
{
Orientation = orientation;
}
