protected override Bitmap Transform(IBitmapPool bitmapPool, Bitmap source, int outWidth, int outHeight)
{
int size = Math.Min(source.Width, source.Height);
int width = (source.Width - size) / 2;
int height = (source.Height - size) / 2;
Bitmap squaredBitmap = Bitmap.CreateBitmap(source, width, height, size, size);
if (squaredBitmap != source)
{
source.Recycle();
}
Bitmap bitmap = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.Clamp,
BitmapShader.TileMode.Clamp);
paint.SetShader(shader);
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
squaredBitmap.Recycle();
return(BitmapResource.Obtain(bitmap, bitmapPool).Get());
}
private static Bitmap CircleCrop(IBitmapPool pool, Bitmap source)
{
if (source == null)
{
return(null);
}
var size = Math.Min(source.Width, source.Height);
var x = (source.Width - size) / 2;
var y = (source.Height - size) / 2;
var squared = Bitmap.CreateBitmap(source, x, y, size, size);
var result = pool.Get(size, size, Bitmap.Config.Argb8888);
if (result == null)
{
result = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
}
var canvas = new Canvas(result);
var paint = new Paint();
paint.SetShader(new BitmapShader(squared, Shader.TileMode.Clamp,
Shader.TileMode.Clamp));
paint.AntiAlias = true;
var r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
return(result);
}
private static Android.Graphics.Bitmap circleCrop(IBitmapPool pool, Android.Graphics.Bitmap source)
{
if (source == null)
{
return(null);
}
int size = Math.Min(source.Width, source.Height);
int x = (source.Width - size) / 2;
int y = (source.Height - size) / 2;
// TO DO this could be acquired from the pool too
Android.Graphics.Bitmap squared = Android.Graphics.Bitmap.CreateBitmap(source, x, y, size, size);
Android.Graphics.Bitmap result = pool.Get(size, size, Android.Graphics.Bitmap.Config.Argb8888);
if (result == null)
{
result = Android.Graphics.Bitmap.CreateBitmap(size, size, Android.Graphics.Bitmap.Config.Argb8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.SetShader(new BitmapShader(squared, BitmapShader.TileMode.Clamp,
BitmapShader.TileMode.Clamp));
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
return(result);
}
protected override Bitmap Transform(IBitmapPool bitmapPool, Bitmap source, int p2, int p3)
{
int size = Math.Min(source.Width, source.Height);
int width = (source.Width - size) / 2;
int height = (source.Height - size) / 2;
Bitmap bitmap = bitmapPool.Get(size, size, Bitmap.Config.Argb8888)
?? Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
BitmapShader shader =
new BitmapShader(source, Shader.TileMode.Clamp, Shader.TileMode.Clamp);
if (width != 0 || height != 0)
{
// source isn't square, move viewport to center
Matrix matrix = new Matrix();
matrix.SetTranslate(-width, -height);
shader.SetLocalMatrix(matrix);
}
paint.SetShader(shader);
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
return(BitmapResource.Obtain(bitmap, bitmapPool).Get());
}
protected override Bitmap Transform(IBitmapPool bitmapPool, Bitmap source, int outWidth, int outHeight)
{
int size = Math.Min(source.Width, source.Height);
int width = (source.Width - size) / 2;
int height = (source.Height - size) / 2;
Bitmap squaredBitmap = Bitmap.CreateBitmap(source, width, height, size, size);
if (squaredBitmap != source)
{
source.Recycle();
}
Bitmap bitmap = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.Clamp,
BitmapShader.TileMode.Clamp);
paint.SetShader(shader);
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
squaredBitmap.Recycle();
return BitmapResource.Obtain(bitmap, bitmapPool).Get();
}
protected override Bitmap Transform(IBitmapPool bitmapPool, Bitmap source, int outWidth, int outHeight)
{
int width = source.Width;
int height = source.Height;
int size = Math.Min(width, height);
Bitmap result = Bitmap.CreateBitmap(source, width, height, size, size);
return(Operations(bitmapPool, source, result));
}
public override Bitmap Operations(IBitmapPool bitmapPool, Bitmap source, Bitmap result)
{
Canvas canvas = new Canvas(result);
Drawable mask = mContext.Resources.GetDrawable(Resource.Drawable.White_Cricle);
mask.SetBounds(0, 0, source.Width, source.Height);
mask.Draw(canvas);
canvas.DrawBitmap(source, 0, 0, mMaskingPaint);
source.Recycle();
return(BitmapResource.Obtain(result, bitmapPool).Get());
}
private static Android.Graphics.Bitmap roundCrop(IBitmapPool pool, Android.Graphics.Bitmap source)
{
if (source == null)
{
return(null);
}
Android.Graphics.Bitmap result = pool.Get(source.Width, source.Height, Android.Graphics.Bitmap.Config.Argb8888);
if (result == null)
{
result = Android.Graphics.Bitmap.CreateBitmap(source.Width, source.Height, Android.Graphics.Bitmap.Config.Argb8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.SetShader(new BitmapShader(source, BitmapShader.TileMode.Clamp, BitmapShader.TileMode.Clamp));
paint.AntiAlias = true;
RectF rectF = new RectF(0f, 0f, source.Width, source.Height);
canvas.DrawRoundRect(rectF, radius, radius, paint);
return(result);
}
private Bitmap CircleCrop(IBitmapPool pool, Bitmap source)
{
try
{
switch (source)
{
case null:
return(null);
}
int size = (int)(Math.Min(source.Width, source.Height) - MBorderWidth / 2);
int x = (source.Width - size) / 2;
int y = (source.Height - size) / 2;
Bitmap squared = Bitmap.CreateBitmap(source, x, y, size, size);
Bitmap result = pool.Get(size, size, Bitmap.Config.Argb8888);
switch (result)
{
case null:
result = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
break;
}
//Create a brush Canvas Manually draw a border
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.SetShader(new BitmapShader(squared, Shader.TileMode.Clamp, Shader.TileMode.Clamp));
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
if (MBorderPaint != null)
{
float borderRadius = r - MBorderWidth / 2;
canvas.DrawCircle(r, r, borderRadius, MBorderPaint);
}
return(result);
}
catch (Exception e)
{
Methods.DisplayReportResultTrack(e);
return(null);
}
}
private static Bitmap RoundCrop(IBitmapPool pool, Bitmap source)
{
if (source == null)
{
return(null);
}
var result = pool.Get(source.Width, source.Height, Bitmap.Config.Argb8888);
if (result == null)
{
result = Bitmap.CreateBitmap(source.Width, source.Height, Bitmap.Config.Argb8888);
}
var canvas = new Canvas(result);
var paint = new Paint();
paint.SetShader(new BitmapShader(source, Shader.TileMode.Clamp, Shader.TileMode.Clamp));
paint.AntiAlias = true;
var rectF = new RectF(0f, 0f, source.Width, source.Height);
canvas.DrawRoundRect(rectF, _radius, _radius, paint);
return(result);
}
protected override Bitmap Transform(IBitmapPool pool, Bitmap toTransform,
int outWidth, int outHeight)
{
return(RoundCrop(pool, toTransform));
}
protected override Android.Graphics.Bitmap Transform(IBitmapPool pool, Android.Graphics.Bitmap toTransform, int outWidth, int outHeight)
{
return(roundCrop(pool, toTransform));
}
public abstract Bitmap Operations(IBitmapPool bitmapPool, Bitmap source, Bitmap result);
public CropCircleTransformation(IBitmapPool p0)
: base(p0)
{
}
