private static TextPaint InnerBuildPaint(FontWeight fontWeight, FontStyle fontStyle, FontFamily fontFamily, double fontSize, double characterSpacing, Windows.UI.Color foreground, BaseLineAlignment baselineAlignment, UnderlineStyle underlineStyle)
{
var paint = new TextPaint(PaintFlags.AntiAlias);
var paintSpecs = BuildPaintValueSpecs(fontSize, characterSpacing);
paint.Density = paintSpecs.density;
paint.TextSize = paintSpecs.textSize;
paint.UnderlineText = underlineStyle == UnderlineStyle.Single;
if (baselineAlignment == BaseLineAlignment.Superscript)
{
paint.BaselineShift += (int)(paint.Ascent() / 2);
}
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Lollipop)
{
paint.LetterSpacing = paintSpecs.letterSpacing;
}
else
{
LogCharacterSpacingNotSupported();
}
var typefaceStyle = TypefaceStyleHelper.GetTypefaceStyle(fontStyle, fontWeight);
var typeface = FontHelper.FontFamilyToTypeFace(fontFamily, fontWeight, typefaceStyle);
paint.SetTypeface(typeface);
paint.Color = foreground;
return(paint);
}
public override void OnChildDraw(Canvas c, RecyclerView recyclerView,
ViewHolder viewHolder,
float dX, float dY,
int actionState, bool isCurrentlyActive)
{
var isInvalidIndex = viewHolder.AdapterPosition == -1;
var isTimeEntryCell = viewHolder is MainRecyclerViewLogViewHolder;
if (isInvalidIndex || !isTimeEntryCell)
{
return;
}
var itemView = viewHolder.ItemView;
var isSwippingRight = dX > 0;
int direction, leftOffset, rightOffset, textX = 0;
if (isSwippingRight)
{
direction = right;
textX = textMargin;
leftOffset = itemView.Left;
rightOffset = itemView.Left + (int)dX;
}
else
{
direction = left;
leftOffset = itemView.Right + (int)dX;
rightOffset = itemView.Right;
textX = rightOffset - textMargin - deleteTextWidth;
}
var textY = (int)((itemView.Height / 2) - ((textPaint.Descent() + textPaint.Ascent()) / 2)) + itemView.Top;
backgrounds[direction].SetBounds(leftOffset, itemView.Top, rightOffset, itemView.Bottom);
backgrounds[direction].Draw(c);
c.DrawText(text[direction], textX, textY, textPaint);
base.OnChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
}
private int MeasureHeight(int measureSpec)
{
int specMode = Convert.ToInt32(MeasureSpec.GetMode(measureSpec));
int specSize = MeasureSpec.GetSize(measureSpec);
int mAscent = (int)mTextPaintOutline.Ascent();
int result;
if (specMode == (int)MeasureSpecMode.Exactly)
{
result = specSize;
}
else
{
result = (int)(-mAscent + mTextPaintOutline.Descent()) + PaddingTop + PaddingBottom;
if (specMode == (int)MeasureSpecMode.Exactly)
{
result = Math.Min(result, specSize);
}
}
return(result);
}
/// <summary>Define paints.</summary>
private void InitPaint()
{
// Round rectangle paint
_strokePaint = new Paint
{
Color = _selectedColor.ToColor(),
AntiAlias = true,
StrokeWidth = _strokeWidth
};
_strokePaint.SetStyle(Paint.Style.Stroke);
// Selected paint
_fillPaint = new Paint
{
Color = _selectedColor.ToColor()
};
_strokePaint.AntiAlias = true;
_fillPaint.SetStyle(Paint.Style.FillAndStroke);
// Selected text paint
_selectedTextPaint = new TextPaint(PaintFlags.AntiAlias)
{
TextSize = _textSize,
Color = unchecked ((int)0xffffffff).ToColor()
};
_strokePaint.AntiAlias = true;
// Unselected text paint
_unselectedTextPaint = new TextPaint(PaintFlags.AntiAlias)
{
TextSize = _textSize,
Color = _selectedColor.ToColor()
};
_strokePaint.AntiAlias = true;
_textHeightOffset = -(_selectedTextPaint.Ascent() + _selectedTextPaint.Descent()) * 0.5f;
_fontMetrics = _selectedTextPaint.GetFontMetrics();
}
public Stream GetFilledCircleWithCenteredText(int imgSize, String rgbCircleColor, String txt, String rgbTextColor, string fontFamilyName, int fontSize)
{
Stream result = null;
using (Bitmap bitmapResult = Bitmap.CreateBitmap(imgSize, imgSize, Bitmap.Config.Argb8888))
{
using (Canvas canvas = new Canvas(bitmapResult))
{
using (Paint paintBgd = new Paint(PaintFlags.AntiAlias))
{
paintBgd.Color = Color.ParseColor(rgbCircleColor);
canvas.DrawColor(Color.Transparent);
canvas.DrawOval(new RectF(0, 0, imgSize, imgSize), paintBgd);
}
//TODO: use fontName...
using (TextPaint textPaint = new TextPaint(PaintFlags.AntiAlias))
{
textPaint.Color = Color.ParseColor(rgbTextColor);
textPaint.TextAlign = Paint.Align.Center;
textPaint.TextSize = (int)(fontSize * GetDensity());
float textHeight = textPaint.Descent() - textPaint.Ascent();
float textOffset = (textHeight / 2) - textPaint.Descent();
using (RectF bounds = new RectF(0, 0, imgSize, imgSize))
canvas.DrawText(txt, bounds.CenterX(), bounds.CenterY() + textOffset, textPaint);
}
result = GetStreamFromBitmap(bitmapResult);
}
//bitmapResult.Recycle();
}
return(result);
}
void Apply(TextPaint paint)
{
paint.BaselineShift = (int)(_ratio * paint.Ascent());
}