public override void Draw(GameTime gameTime, SpriteBatch spriteBatch)
{
base.Draw(gameTime, spriteBatch);
if (Texture != null)
{
int texX = SourceRect == null ? 0 : SourceRect.Value.X;
int texY = SourceRect == null ? 0 : SourceRect.Value.Y;
int texWidth = SourceRect == null ? Texture.Width : SourceRect.Value.Width;
int texHeight = SourceRect == null ? Texture.Height : SourceRect.Value.Height;
RectangleF rect = DestinationRect;
float rectRatio = rect.Width / (float)rect.Height;
float textureRatio = texWidth / (float)texHeight;
if (rectRatio < textureRatio)
{
float ratio = rectRatio / textureRatio;
rect.Height = rect.Height * ratio;
}
if (rectRatio > textureRatio)
{
float ratio = textureRatio / rectRatio;
rect.Width = rect.Width * ratio;
}
rect.Width = rect.Width / Zoom;
rect.Height = rect.Height / Zoom;
RectangleF final = rect;
final.Width = Math.Min(DestinationRect.Width, rect.Width);
final.Height = Math.Min(DestinationRect.Height, rect.Height);
double wRatio = final.Width / (double)rect.Width;
double hRatio = final.Height / (double)rect.Height;
Rectangle sourceRect = new Rectangle((int)Position.X + texX, (int)Position.Y + texY, (int)(texWidth * wRatio), (int)(texHeight * hRatio));
ratioWPixelScreenPicture = sourceRect.Width / final.Width;
ratioHPixelScreenPicture = sourceRect.Height / final.Height;
spriteBatch.Draw(Texture, new Rectangle((int)final.X, (int)final.Y, (int)final.Width, (int)final.Height), sourceRect, Color.White, 0, Vector2.Zero, Effect, 0.5f);
if (SelectionMode)
{
Vector2 crossPos = new Vector2(Input.X, Input.Y);
if (DestinationRect.Contains(crossPos))
{
DrawHelper.DrawCross(spriteBatch, crossPos, DestinationRect, Color.DeepPink);
}
}
if (isSelecting)
{
Rectangle selectionRect = new Rectangle();
Vector2 selectPoint = ConvertPictureToScreen(new Vector2(selectionStartPoint.X + 0.4f, selectionStartPoint.Y + 0.4f));
selectionRect.Left = Math.Min((int)selectPoint.X, Input.X);
selectionRect.Right = Math.Max((int)selectPoint.X, Input.X);
selectionRect.Top = Math.Min((int)selectPoint.Y, Input.Y);
selectionRect.Bottom = Math.Max((int)selectPoint.Y, Input.Y);
DrawHelper.DrawRectangle(spriteBatch, selectionRect, Color.Blue);
Color greenA = Color.Green; greenA.A = 100;
DrawHelper.DrawFilledRectangle(spriteBatch, DrawHelper.ClampRectangle(MagnetToPicture(selectionRect), DestinationRect), greenA);
}
else if (SelectedRectangle != null)
{
Color greenA = Color.Green; greenA.A = 100;
Rectangle selected = (Rectangle)SelectedRectangle;
selected.Right -= 1; selected.Bottom -= 1;
DrawHelper.DrawFilledRectangle(spriteBatch, DrawHelper.ClampRectangle(ConvertPictureToScreen(selected), DestinationRect), greenA);
}
if (SelectPointMode && SelectedPoint != null)
{
Color redA = Color.Red; redA.A = 100;
Rectangle point = new Rectangle((int)SelectedPoint.Value.X, (int)SelectedPoint.Value.Y, 0, 0);
DrawHelper.DrawFilledRectangle(spriteBatch, DrawHelper.ClampRectangle(ConvertPictureToScreen(point), DestinationRect), redA);
}
}
}
