public override void Draw()
{
UpdateCellColors();
Bitmap point_img = new Bitmap(point_path);
Bitmap top_layer = NewLayer();
Bitmap bottom_layer = NewLayer();
Bitmap black_layer = NewLayer();
Bitmap black = NewIntegerPixelLayer();
Bitmap canvas_layer = NewLayer();
Graphics paint = Graphics.FromImage(TopCanvas);
//draw top canvas
for (int i = 0; i < TopMatrix.GetLength(0); i++)
{
for (int j = 0; j < TopMatrix.GetLength(1); j++)
{
if (TopMatrix[i, j] == CellColor.BLACK)
{
Point position = GetCellCanvasPosition(i, j);
paint.DrawImage(point_img, new Rectangle(position.X, position.Y, TetrisStep, TetrisStep), new Rectangle(0, 0, point_img.Width, point_img.Height), GraphicsUnit.Pixel);
}
}
}
paint = Graphics.FromImage(top_layer);
paint.DrawImage(TopCanvas, new RectangleF(TopPosintion.X, TopPosintion.Y, TopSize.Width, TopSize.Height), new Rectangle(0, 0, TopCanvas.Width, TopCanvas.Height), GraphicsUnit.Pixel);
//draw bottom canvas
paint = Graphics.FromImage(BottomCanvas);
for (int i = 0; i < BottomMatrix.GetLength(0); i++)
{
for (int j = 0; j < BottomMatrix.GetLength(1); j++)
{
if (BottomMatrix[i, j] == CellColor.BLACK)
{
Point position = GetCellCanvasPosition(i, j);
paint.DrawImage(point_img, new Rectangle(position.X, position.Y, TetrisStep, TetrisStep), new Rectangle(0, 0, point_img.Width, point_img.Height), GraphicsUnit.Pixel);
}
}
}
paint = Graphics.FromImage(bottom_layer);
paint.DrawImage(BottomCanvas, new RectangleF(BottomPosition.X, BottomPosition.Y, BottomSize.Width, BottomSize.Height), new Rectangle(0, 0, BottomCanvas.Width, BottomCanvas.Height), GraphicsUnit.Pixel);
//draw black layer
paint = Graphics.FromImage(black);
var bc = from b in Matrix.CellMatrix.Cast <DataCell>() where b.Color == CellColor.BLACK select b;
foreach (var b in bc)
{
paint.DrawImage(point_img, GetCellRectangle(b.Position.Row, b.Position.Column), new Rectangle(0, 0, point_img.Width, point_img.Height), GraphicsUnit.Pixel);
}
paint = Graphics.FromImage(black_layer);
paint.DrawImage(black, new RectangleF(CodePosition.X, CodePosition.Y, CodeSize.Width, CodeSize.Height), new Rectangle(0, 0, black.Width, black.Height), GraphicsUnit.Pixel);
//draw canvas
paint = Graphics.FromImage(canvas_layer);
paint.FillRectangle(new SolidBrush(canvas_color), new Rectangle(0, 0, Canvas.Width, Canvas.Height));
MergeLayers(canvas_layer, top_layer, bottom_layer, black_layer);
}
private void UpdateTopCellColors()
{
Bitmap sample = new Bitmap(top_sample_path);
Bitmap sample_back = new Bitmap(TopCanvas.Width, TopCanvas.Height);
Graphics sample_paint = Graphics.FromImage(sample_back);
sample_paint.DrawImage(sample, new Rectangle(0, 0, sample_back.Width, sample_back.Height), new Rectangle(0, 0, sample.Width, sample.Height), GraphicsUnit.Pixel);
Point center_point;
for (int i = 0; i < TopMatrix.GetLength(0); i++)
{
for (int j = 0; j < TopMatrix.GetLength(1); j++)
{
center_point = GetCellCanvasCenterPosition(i, j);
if (sample_back.GetPixel(center_point.X, center_point.Y).A > 128)
{
TopMatrix[i, j] = CellColor.BLACK;
}
}
}
}