//Events
private void Canvas_Load(object sender, EventArgs e)
{
//Get the image dimensions
WidthHeightDialog dialog = new WidthHeightDialog();
dialog.ShowDialog();
//Create the image and picbox
image = new Heightmap(dialog.width, dialog.height);
tempPicBox.Image = image.ToBitmap();
//Enable the timer
tickTimer.Enabled = true;
//Set default brush params
brushSpeedBox.Minimum = (decimal)MIN_BRUSH_SPEED;
brushSpeedBox.Maximum = (decimal)MAX_BRUSH_SPEED;
brushSize = DEFAULT_SIZE;
brushSpeed = DEFAULT_SPEED;
//Add all brush types
AddBrushType("Circle", new CircleBrush()).Checked = true;
AddBrushType("Square", new SquareBrush());
//Add all tools
AddTool("Paint Brush", PaintBrushTool).Checked = true;
AddTool("Eraser", EraserTool);
}
public ImageFileNode(NodeMap map, Heightmap heightmap) : base(map)
{
//Creates one from a pre-existing heightmap.
image = heightmap.ToBitmap();
this.heightmap = heightmap;
}
private void generateButton_Click(object sender, EventArgs e)
{
//Get the data from the textboxes
int width;
int height;
int seed;
int octave;
double persistence;
double frequency;
double lacunarity;
//Catch any errors with the textboxes
try
{
width = int.Parse(widthBox.Text);
height = int.Parse(heightBox.Text);
seed = int.Parse(seedBox.Text);
octave = int.Parse(OctBox.Text);
Double.TryParse(PersBox.Text, out persistence);
Double.TryParse(LacBox.Text, out lacunarity);
Double.TryParse(FreqBox.Text, out frequency);
}
catch (FormatException err)
{
MessageBox.Show("ERROR: width, height, seed, and octave count must all be integers.\r\nPersistence, lacunarity, and frequency are doubles");
return;
}
catch (OverflowException err)
{
MessageBox.Show("ERROR: One of your values is too long.");
return;
}
//Generate the preview map
previewMap = new Heightmap(width, height);
PerlinNoise noiseGen = new PerlinNoise(seed, octave, frequency, lacunarity, persistence);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
double value = noiseGen.GetValue((double)x, (double)y) * Heightmap.MAX_HEIGHT;
previewMap.SetValue(x, y, value);
}
}
//Update the preview picture
previewBox.Image = previewMap.ToBitmap();
//Enable the Okay button
OKButton.Enabled = true;
}
//Misc functions
private void UpdateDisplay()
{
//TODO: Do this more efficiently.
tempPicBox.Image = image.ToBitmap();
}
private void button1_Click(object sender, EventArgs e)
{
//Reset the image
image = new Heightmap(image.width, image.height);
tempPicBox.Image = image.ToBitmap();
}
public override Bitmap ToBitmap()
{
return(heightmap.ToBitmap());
}