private void PrepareFold(FoldingLayoutOrientation orientation, float anchorFactor, int numberOfFolds)
{
_src = new float[NumOfPolyPoints];
_dst = new float[NumOfPolyPoints];
_dstRect = new Rect();
_foldFactor = 0;
_previousFoldFactor = 0;
_isFoldPrepared = false;
_solidShadow = new Paint();
_gradientShadow = new Paint();
Orientation = orientation;
_isHorizontal = Orientation == FoldingLayoutOrientation.Horizontal;
if (_isHorizontal)
{
_shadowLinearGradient = new LinearGradient(0, 0, ShadingFactor, 0, Color.Black, Color.Transparent,
Shader.TileMode.Clamp);
}
else
{
_shadowLinearGradient = new LinearGradient(0, 0, 0, ShadingFactor, Color.Black, Color.Transparent,
Shader.TileMode.Clamp);
}
_gradientShadow.SetStyle(Paint.Style.Fill);
_gradientShadow.SetShader(_shadowLinearGradient);
_shadowGradientMatrix = new Matrix();
_anchorFactor = anchorFactor;
_numberOfFolds = numberOfFolds;
_originalWidth = MeasuredWidth;
_originalHeight = MeasuredHeight;
_foldRectArray = new Rect[_numberOfFolds];
_matrix = new Matrix[_numberOfFolds];
for (var x = 0; x < _numberOfFolds; x++)
{
_matrix[x] = new Matrix();
}
var h = _originalHeight;
var w = _originalWidth;
if (Build.VERSION.SdkInt == BuildVersionCodes.JellyBeanMr2 && h != 0 && w != 0)
{
_fullBitmap = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888);
var canvas = new Canvas(_fullBitmap);
GetChildAt(0).Draw(canvas);
}
var delta = (int)Math.Round(_isHorizontal
? ((float)w) / _numberOfFolds
: ((float)h) / _numberOfFolds);
for (var i = 0; i < _numberOfFolds; i++)
{
if (_isHorizontal)
{
var deltap = (i + 1) * delta > w ? w - i * delta : delta;
_foldRectArray[i] = new Rect(i * delta, 0, i * delta + deltap, h);
}
else
{
var deltap = (i + 1) * delta > h ? h - i * delta : delta;
_foldRectArray[i] = new Rect(0, i * delta, w, i * delta + deltap);
}
}
if (_isHorizontal)
{
_foldMaxHeight = h;
_foldMaxWidth = delta;
}
else
{
_foldMaxHeight = delta;
_foldMaxWidth = w;
}
_isFoldPrepared = true;
}
private void PrepareFold(FoldingLayoutOrientation orientation, float anchorFactor, int numberOfFolds)
{
_src = new float[NumOfPolyPoints];
_dst = new float[NumOfPolyPoints];
_dstRect = new Rect();
_foldFactor = 0;
_previousFoldFactor = 0;
_isFoldPrepared = false;
_solidShadow = new Paint();
_gradientShadow = new Paint();
Orientation = orientation;
_isHorizontal = Orientation == FoldingLayoutOrientation.Horizontal;
if (_isHorizontal)
_shadowLinearGradient = new LinearGradient(0, 0, ShadingFactor, 0, Color.Black, Color.Transparent,
Shader.TileMode.Clamp);
else
_shadowLinearGradient = new LinearGradient(0, 0, 0, ShadingFactor, Color.Black, Color.Transparent,
Shader.TileMode.Clamp);
_gradientShadow.SetStyle(Paint.Style.Fill);
_gradientShadow.SetShader(_shadowLinearGradient);
_shadowGradientMatrix = new Matrix();
_anchorFactor = anchorFactor;
_numberOfFolds = numberOfFolds;
_originalWidth = MeasuredWidth;
_originalHeight = MeasuredHeight;
_foldRectArray = new Rect[_numberOfFolds];
_matrix = new Matrix[_numberOfFolds];
for (var x = 0; x < _numberOfFolds; x++)
_matrix[x] = new Matrix();
var h = _originalHeight;
var w = _originalWidth;
if (Build.VERSION.SdkInt == BuildVersionCodes.JellyBeanMr2 && h != 0 && w != 0)
{
_fullBitmap = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888);
var canvas = new Canvas(_fullBitmap);
GetChildAt(0).Draw(canvas);
}
var delta = (int) Math.Round(_isHorizontal
? ((float) w) / _numberOfFolds
: ((float) h) / _numberOfFolds);
for (var i = 0; i < _numberOfFolds; i++)
{
if (_isHorizontal)
{
var deltap = (i + 1) * delta > w ? w - i * delta : delta;
_foldRectArray[i] = new Rect(i * delta, 0, i * delta + deltap, h);
}
else
{
var deltap = (i + 1) * delta > h ? h - i * delta : delta;
_foldRectArray[i] = new Rect(0, i * delta, w, i * delta + deltap);
}
}
if (_isHorizontal)
{
_foldMaxHeight = h;
_foldMaxWidth = delta;
}
else
{
_foldMaxHeight = delta;
_foldMaxWidth = w;
}
_isFoldPrepared = true;
}