public void Test_CanvasConverter_ConvertBitmapToCanvas()
{
Bitmap inputImage = new Bitmap(6, 4);
#region Filling input image
for(int y = 0; y < 4; y++)
for (int x = 0; x < 6; x++)
{
if ((x == 0 && y == 0) ||
(x == 5 && y == 1))
inputImage.SetPixel(x, y, Color.White);
else if ((x == 1 && y == 1) ||
(x == 5 && y == 3))
inputImage.SetPixel(x, y, Color.Blue);
else if ((x == 3 && y == 1) ||
(x == 2 && y == 2))
inputImage.SetPixel(x, y, Color.Green);
else inputImage.SetPixel(x, y, Color.Black);
}
#endregion
Canvas expectedCanvas = new Canvas(6, 4);
#region Filling expected canvas
for (int y = 0; y < 4; y++)
for (int x = 0; x < 6; x++)
{
if ((x == 0 && y == 0) ||
(x == 5 && y == 1))
expectedCanvas.SetColor(x, y, Color.FromArgb(255, 255, 255, 255));
else if ((x == 1 && y == 1) ||
(x == 5 && y == 3))
expectedCanvas.SetColor(x, y, Color.FromArgb(255, 0, 0, 255));
else if ((x == 3 && y == 1) ||
(x == 2 && y == 2))
expectedCanvas.SetColor(x, y, Color.FromArgb(255, 0, 128, 0));
else expectedCanvas.SetColor(x, y, Color.FromArgb(255, 0, 0, 0));
}
#endregion
CanvasConverter converter = new CanvasConverter();
Canvas actual = converter.ConvertBitmapToCanvas(inputImage);
Assert.IsTrue(expectedCanvas.Width == actual.Width);
Assert.IsTrue(expectedCanvas.Height == actual.Height);
for (int y = 0; y < expectedCanvas.Height; y++)
for (int x = 0; x < expectedCanvas.Width; x++)
Assert.AreEqual(expectedCanvas.GetColor(x, y), actual.GetColor(x, y));
}
public void Test_CanvasConverter_ConvertBitmapToCanvasException()
{
Bitmap image = null;
CanvasConverter converter = new CanvasConverter();
converter.ConvertBitmapToCanvas(image);
}
public void Test_Canvas_SetSymbol()
{
Bitmap temp = new Bitmap(4, 4);
Graphics g = Graphics.FromImage(temp);
Font font = new Font("Arial", 4 - 1, GraphicsUnit.Pixel);
string sym = "#";
sym = sym.PadLeft(1, '#');
SolidBrush brush = new SolidBrush(Color.Black);
g.DrawString(sym, font, brush, new PointF(0f, 0f));
CanvasConverter converter = new CanvasConverter();
Canvas expectedCanvas = converter.ConvertBitmapToCanvas(temp);
Canvas canvas = new Canvas(4, 4);
canvas.SetSymbol('#', 0, 0, 4, Color.Black);
Assert.IsTrue(canvas.Width == expectedCanvas.Width && canvas.Height == expectedCanvas.Height);
for (int y = 0; y < canvas.Height; y++)
for (int x = 0; x < canvas.Width; x++)
{
Color actualColor = canvas.GetColor(x, y);
Color expectedColor = expectedCanvas.GetColor(x, y);
Assert.IsTrue(actualColor == expectedColor);
}
}