public void DrawImage(ITextArrayReader textImage, Point position, bool allowTransparency = true)
{
Verify.NotNull(textImage, nameof(textImage));
var intersection = new RectangleIntersection(Size.AsRectangle, textImage.Size.AsRectangle.Translate(position));
if (intersection.HasNoIntersection)
{
return;
}
var canvasSlice = intersection.RelativelyToRectOne;
var imageSlice = intersection.RelativelyToRectTwo;
int width = intersection.Intersection.Size.Width;
int height = intersection.Intersection.Size.Height;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
TextCell?imageCell = textImage[imageSlice.Position.X + x, imageSlice.Position.Y + y];
if (imageCell is null && allowTransparency)
{
continue;
}
var dstPosition = new Point(canvasSlice.Position.X + x, canvasSlice.Position.Y + y);
Write(dstPosition, imageCell);
}
}
}
//====== override: GameModule
public override void Initialize(GameTime gameTime)
{
if (!placement.HasValue)
{
return;
}
placementImage = new BigDigitsValueRenderer(placement.Value + 1, Lime).RenderImage();
}
//====== ctors
protected ScreenTransition(ITextArrayReader prevGameModuleScreenSnapshot, TextCanvas canvas, GameTime gameTime) : base(gameTime)
{
Verify.NotNull(prevGameModuleScreenSnapshot, nameof(prevGameModuleScreenSnapshot));
this.canvas = Verify.NotNull(canvas, nameof(canvas));
if (prevGameModuleScreenSnapshot.Size.Equals(canvas.Size) == false)
{
throw new ArgumentException($"Sizes are not equal.");
}
this.prevGameModuleScreenSnapshot = TextImage.CreateCopyFrom(prevGameModuleScreenSnapshot);
}
//====== public methods
public void DrawCenter(TextCanvas canvas, int y)
{
int currentScore = scoreStatus.Value;
if (lastScore != currentScore || lastImage is null)
{
lastImage = new BigDigitsValueRenderer(currentScore, ForeColor).RenderImage();
lastScore = currentScore;
}
int xOffset = (canvas.Size.Width / 2) - (lastImage.Size.Width / 2);
canvas.DrawImage(lastImage, new Point(xOffset, y));
}
//====== public static methods
public static TextImage CreateCopyFrom(ITextArrayReader textArray)
{
Verify.NotNull(textArray, nameof(textArray));
var result = new TextImage(textArray.Size);
for (int x = 0; x < textArray.Size.Width; x++)
{
for (int y = 0; y < textArray.Size.Height; y++)
{
result.cells[x, y] = textArray[x, y];
}
}
return(result);
}
//====== ctors
public TransitionT1(ITextArrayReader prevScreenSnapshot, TextCanvas canvas, GameTime gameTime)
: base(prevScreenSnapshot, canvas, gameTime)
{
borderWidth = GetMaxBorderWidth();
}
//====== ctors
public TransitionT2(ITextArrayReader prevScreenSnapshot, TextCanvas canvas, GameTime gameTime)
: base(prevScreenSnapshot, canvas, gameTime)
{
offset = canvas.Size.Width;
}
public NullTransition(ITextArrayReader prevScreenSnapshot, TextCanvas canvas, GameTime gameTime)
: base(prevScreenSnapshot, canvas, gameTime)
{
}