private void DrawBboxes(byte[] photo, Bbox[] bboxes, ref Image img)
{
using (var image = new MagickImage(photo))
{
var drawables = new Drawables();
drawables.StrokeWidth(ViewImage.Source.Height >= 1000 ? 8 : 2);
drawables.FillColor(MagickColor.FromRgba(255, 255, 255, 0));
drawables.StrokeColor(MagickColor.FromRgb(255, 0, 0));
foreach (var bbox in bboxes)
{
drawables.Rectangle(bbox.X,
bbox.Y,
bbox.X + bbox.Width,
bbox.Y + bbox.Height
);
}
image.Draw(drawables);
using (var ms = new MemoryStream(image.ToByteArray()))
{
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.StreamSource = ms;
bitmap.EndInit();
img.Source = bitmap;
}
}
}
public void At(int seconds)
{
using (var image = new MagickImage(new MagickColor("#000000"), GraphSize, GraphSize))
{
image.Format = MagickFormat.Png;
var d = new Drawables();
d.FillColor(MagickColors.Blue);
bool any = false;
foreach (var point in points)
{
int x = Shift(point.X + point.Vx * seconds);
int y = Shift(point.Y + point.Vy * seconds);
if (x >= 0 && y >= 0 && x <= GraphSize && y <= GraphSize)
{
any = true;
d.Rectangle(x, y, x + 1, y + 1);
}
}
if (any)
{
image.Draw(d);
image.Write($@"C:\dev\aoc\2018\10\output\{seconds}.png");
}
}
}
static public bool SaveMazeImage(int[,] grid, List <Coordinate> path, int wallThickness, int pathThickness, string fileName)
{
int width = grid.GetLength(0); //dimension 0 of grid is width
int height = grid.GetLength(1); //dimension 1 of grid is height
using (MagickImage image = new MagickImage(new MagickColor("#ff00ff"), wallThickness * width, wallThickness * height))
{
Drawables draw = new Drawables(); //Hold the changes to be added to the image.
draw.StrokeWidth(0);
draw.StrokeColor(colors[0]);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
draw.FillColor(colors[grid[x, y]]).
Rectangle(x * wallThickness, y * wallThickness, (x + 1) * wallThickness, (y + 1) * wallThickness);
}
}
draw.StrokeColor(colors[colors.Length - 1]).StrokeWidth(pathThickness);
for (int i = 0; i < path.Count - 1; i++)
{
//Use center points in grid for drawing path
Coordinate startPoint = new Coordinate(
path[i].x * wallThickness + wallThickness / 2,
path[i].y * wallThickness + wallThickness / 2
);
Coordinate endPoint = new Coordinate(
path[i + 1].x * wallThickness + wallThickness / 2,
path[i + 1].y * wallThickness + wallThickness / 2
);
draw.Line(startPoint.x, startPoint.y, endPoint.x, endPoint.y);
}
// Draw a border around the image
draw.FillOpacity(new Percentage(0));
draw.StrokeColor(colors[1]).StrokeWidth(4);
draw.Rectangle(0, 0, wallThickness * width, wallThickness * height);
//Commit draw calls to the image itself
image.Draw(draw);
//Save the Image
image.Format = MagickFormat.Png;
image.Write($"{fileName}.png");
}
return(true);
}
public void DrawInPaintingMasks(MagickImage mImage, List <Rectangle> maskRegions, MagickColor maskColor,
double maskOversize = 0.0)
{
var drawables = new Drawables();
drawables.StrokeColor(maskColor);
drawables.StrokeOpacity(new Percentage(0));
drawables.FillColor(maskColor);
foreach (var maskRegion in maskRegions)
{
var(x, y, w, h) = (maskRegion.X, maskRegion.Y, maskRegion.Width, maskRegion.Height);
drawables.Rectangle(x - maskOversize, y - maskOversize, x + w + maskOversize * 2.0,
y + h + maskOversize * 2.0);
}
drawables.Draw(mImage);
}