public TextElemet(OoShapeObserver shape)
{
Shape = shape;
if (shape != null)
{
Text = shape.Text;
ScreenPosition = shape.GetRelativeScreenBoundsByDom();
ObjectBoundingBox = BrailleTextView.MakeZoomBoundingBox(ScreenPosition, WindowManager.GetPrintZoomLevel());
Matrix = BrailleTextView.BrailleRenderer.RenderMatrix(ObjectBoundingBox.Width, Text);
Position = new Point(ObjectBoundingBox.X, ObjectBoundingBox.Y);
Center = new Point(ObjectBoundingBox.X + (ObjectBoundingBox.Width / 2), ObjectBoundingBox.Y + (ObjectBoundingBox.Height / 2));
}
else
{
Center = Position = new Point();
Matrix = new bool[0, 0];
ObjectBoundingBox = ScreenPosition = new Rectangle();
Text = String.Empty;
}
}
private static void renderTextFieldInMatrix(ref bool[,] m, TextElemet text, int xOffset, int yOffset, double zoom)
{
if (m != null && !String.IsNullOrWhiteSpace(text.Text))
{
if (text.Matrix == null) // if no text was renderd --> render it
{
text.Matrix = BrailleRenderer.RenderMatrix(dummyView, text.Text);
if (text.Matrix == null)
{
return;
}
}
bool[,] matrix = m;
Rectangle startpoint = BrailleTextView.MakeZoomBoundingBox(text.ScreenPosition, zoom);
// calculate the center point and from that the staring point
startpoint.X += startpoint.Width / 2;
startpoint.X -= text.Matrix.GetLength(1) / 2;
startpoint.Y += startpoint.Height / 2;
startpoint.Y -= text.Matrix.GetLength(0) / 2;
// paint a spacing frame around the text
Parallel.For(0, text.Matrix.GetLength(1) + 1, (i) =>
{
int x = startpoint.X + xOffset - 1 + i;
if (x > 0 && matrix.GetLength(1) > x)
{
try
{
int y1 = startpoint.Y + yOffset - 1;
if (y1 > 0 && y1 < matrix.GetLength(0))
{
matrix[y1, x] = false;
}
int y2 = startpoint.Y + yOffset + text.Matrix.GetLength(0) - 1; // remove the -1 if underlining should be possible
if (y2 > 0 && y2 < matrix.GetLength(0))
{
matrix[y2, x] = false;
}
}
catch { }
}
}
);
Parallel.For(0, text.Matrix.GetLength(0), (j) =>
{
int y = startpoint.Y + yOffset + j;
if (y > 0 && y < matrix.GetLength(0))
{
try
{
int x1 = startpoint.X + xOffset - 1;
if (x1 > 0 && x1 < matrix.GetLength(1))
{
matrix[y, x1] = false;
}
}
catch { }
}
}
);
// add the rendered text in the result
Parallel.For(0, text.Matrix.GetLength(1), (i) =>
{
int x = i + startpoint.X + xOffset;
if (x > 0 && matrix.GetLength(1) > x)
{
Parallel.For(0, text.Matrix.GetLength(0), (j) =>
{
int y = startpoint.Y + j + yOffset;
if (y > 0 && matrix.GetLength(0) > y)
{
try
{
matrix[y, x] = text.Matrix[j, i];
}
catch { }
}
}
);
}
}
);
m = matrix;
}
}