private void xDefList_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
CurrentDef = xDefList.SelectedItem as GradientDef;
xEditor.DataContext = CurrentDef;
xPoints.DataContext = CurrentDef.Points;
CurrentDef.RaisePropertyChanged("Points");
}
public void Load(StreamReader sr)
{
GradientDef g = new GradientDef();
String line;
while ((line = sr.ReadLine()) != null)
{
if (line.Length == 0)
{
GradientDefs.Add(g);
return;
}
string[] words = line.Split(seperator);
if (words[0] == "Gradient")
{
string name = "";
for (int i = 1; i < words.Length; ++i) name += (i == 1 ? "" : " ") + words[i];
g.Name = name;
}
else if (words[0] == "Point")
{
try
{
GradientPoint point = new GradientPoint()
{
Point = Convert.ToDouble(words[1]),
color = new Color()
{
R = Convert.ToByte(words[2]),
G = Convert.ToByte(words[3]),
B = Convert.ToByte(words[4]),
A = 255
}
};
g.Points.Add(point);
}
catch (Exception) { }
}
}
}
private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
{
string name = "Gradient " + GradientDefs.Count;
GradientDef def = new GradientDef() { Name = name };
GradientDefs.Add(def);
xDefList.SelectedIndex = GradientDefs.Count-1;
def.PropertyChanged += new PropertyChangedEventHandler(def_PropertyChanged);
}
private void xGradient_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
mGradient = xGradient.SelectedItem as GradientDef;
mLocalGradient = true;
Redraw();
}
public Gradients()
{
this.InitializeComponent();
GradientDefs = new ObservableCollection<GradientDef>();
// create default
GradientDef def = new GradientDef();
def.Name = "Default Greyscale";
def.AddPoint();
def.AddPoint();
def.Points[0].color = Colors.Black;
def.Points[1].color = Colors.White;
def.Points[0].Point = 0;
def.Points[1].Point = 1;
def.PropertyChanged += new PropertyChangedEventHandler(def_PropertyChanged);
GradientDefs.Add(def);
xDefList.ItemsSource = GradientDefs;
}
public void SetGradient(GradientDef g)
{
if (!mLocalGradient)
{
mGradient = g;
Redraw();
}
}
public string Load(StreamReader sr)
{
string ret = "";
String line;
while ((line = sr.ReadLine()) != null)
{
if (line.Length == 0)
return ret;
string[] words = line.Split(seperator);
if (words[0] == "Module")
{
setModuleType(words[1]);
ComboBox combo = null;
switch (mType)
{
case 0: combo = xGenerators ; break;
case 1: combo = xModifiers ; break;
case 2: combo = xTransformers; break;
case 3: combo = xCombiners ; break;
}
foreach (ComboBoxItem item in combo.Items) { if ((item.Content as string) == mNoiseType) {combo.SelectedItem = item; break;} }
mName = words[2];
}
else if (words[0] == "Window")
{
try {
Canvas.SetLeft(this,Convert.ToDouble(words[1]));
Canvas.SetTop(this,Convert.ToDouble(words[2]));
Width = Convert.ToDouble(words[3]);
Height = Convert.ToDouble(words[4]);
xCanvas.Width = Width;
xCanvas.Height = Height;
render.InitData(Width, Height);
}
catch (Exception) { }
}
else if (words[0] == "Parameter")
{
foreach (Parameter p in Parameters)
{
if (p.Name == words[1]) try { p.RawValue = Convert.ToDouble(words[2]); } catch(Exception) {}
}
}
else if (words[0] == "Extras")
{
if (words[1] == "True") { render.mShadow = true; ShadowParams(); xShadow.IsChecked = true; }
if (words[2] == "True") { render.mNormal = true; xNormal.IsChecked = true; }
if (words[3] == "True") { render.mTile = true; xTile.IsChecked = true; }
if (words[4] == "True") xFrame_MouseRightButtonDown(null, null);
try {
xGradient.SelectedIndex = Convert.ToInt32(words[5]);
mGradient = xGradient.SelectedItem as GradientDef;
mLocalGradient = true;
}
catch (Exception) { }
}
else if (words[0] == "Seed")
{
try {
mNoise.Seed(Convert.ToInt32(words[1]));
} catch(Exception) {}
}
else if (words[0] == "Links")
{
ret = mName + " " + line + "\n";
}
}
return ret;
}
public BitmapSource Shadow(GradientDef gradient)
{
if (gradient == null) return null;
if (pixelData == null) return null;
double cosAzimuth = Math.Cos(azimuth * 0.0174532925);
double sinAzimuth = Math.Sin(azimuth * 0.0174532925);
double cosElev = Math.Cos(elevation * 0.0174532925);
double sinElev = Math.Sin(elevation * 0.0174532925);
// draw the pixels scaled to color range - we need to know min max
double xInc = (double)Boundary.Object.W / (double)width;
double yInc = (double)Boundary.Object.H / (double)height;
double x = Boundary.Object.X;
double y = Boundary.Object.Y;
System.Windows.Media.PixelFormat pf = System.Windows.Media.PixelFormats.Rgb24;
int rawStride = width * 3;
Color c = new Color();
// n is the index into noiseData
// i,j are indexes into the bitmap data - range of the widow size
// x,y are indexes into the noise module to get the value - range of teh bounds
// int n = 0;
for (int j = 0; j < height; ++j)
{
int yIndex = j * rawStride;
int ii = 0;
for (int i = 0; i < rawStride; i += 3)
{
// Calculate the positions of the current point's four-neighbors.
int xLeftOffset, xRightOffset;
int yUpOffset, yDownOffset;
{
if (ii == 0)
{
xLeftOffset = 0;
xRightOffset = 1;
}
else if (ii == (int)width - 1)
{
xLeftOffset = -1;
xRightOffset = 0;
}
else
{
xLeftOffset = -1;
xRightOffset = 1;
}
if (j == 0)
{
yDownOffset = 0;
yUpOffset = 1;
}
else if (j == (int)height - 1)
{
yDownOffset = -1;
yUpOffset = 0;
}
else
{
yDownOffset = -1;
yUpOffset = 1;
}
}
yDownOffset *= width;
yUpOffset *= width;
// Get the noise value of the current point in the source noise map
// and the noise values of its four-neighbors.
double nc = noiseData[j * width + ii];
double nl = noiseData[j * width + ii + xLeftOffset];
double nr = noiseData[j * width + ii + xRightOffset];
double nd = noiseData[j * width + ii + yDownOffset];
double nu = noiseData[j * width + ii + yUpOffset];
if (mNormal)
{
nc = (nc - min) / (max - min);
nl = (nl - min) / (max - min);
nr = (nr - min) / (max - min);
nd = (nd - min) / (max - min);
nu = (nu - min) / (max - min);
}
// Now do the lighting calculations.
double lightIntensity;
{
double io = 1.0 * 1.41421356 * sinElev / 2.0;
double ix = (1.0 - io) * contrast * 1.41421356 * cosElev * cosAzimuth;
double iy = (1.0 - io) * contrast * 1.41421356 * cosElev * sinAzimuth;
lightIntensity = (ix * (nl - nr) + iy * (nd - nu) + io);
if (lightIntensity < 0.0) { lightIntensity = 0.0; }
lightIntensity *= intensity;
}
gradient.GetColor(nc, ref c);
pixelData[i + yIndex] = (byte)NMath.ClampValue((int)(c.R * lightIntensity), 0, 255);
pixelData[i + yIndex + 1] = (byte)NMath.ClampValue((int)(c.G * lightIntensity), 0, 255);
pixelData[i + yIndex + 2] = (byte)NMath.ClampValue((int)(c.B * lightIntensity), 0, 255);
x += xInc;
ii += 1;
}
y += yInc;
x = Boundary.Object.X;
}
BitmapSource bitmap = null;
if (noDispatch)
bitmap = BitmapSource.Create(width, height, 96, 96, pf, null, pixelData, rawStride);
else
Application.Current.Dispatcher.Invoke((Action)(() => { bitmap = BitmapSource.Create(width, height, 96, 96, pf, null, pixelData, rawStride); }));
return bitmap;
}
public BitmapSource Render(Adapter noise, GradientDef gradient, bool redraw = false)
{
if (noise == null) return null;
if (gradient == null) return null;
if (pixelData == null) return null;
// draw the pixels scaled to color range - we need to know min max
double xInc = (double)Boundary.Object.W / (double)width;
double yInc = (double)Boundary.Object.H / (double)height;
double x = Boundary.Object.X;
double y = Boundary.Object.Y;
BitmapSource bitmap = null;
System.Windows.Media.PixelFormat pf = System.Windows.Media.PixelFormats.Rgb24;
int rawStride;
rawStride = width * 3;
if (!mNormal)
{
min = 1000000;
max = -1000000;
}
Color c = new Color();
// n is the index into noiseData
// i,j are indexes into the bitmap data - range of the widow size
// x,y are indexes into the noise module to get the value - range of the bounds
int n = 0;
for (int j = 0; j < height; ++j)
{
int yIndex = j * rawStride;
for (int i = 0; i < rawStride; i += 3)
{
double val = 0;
if (redraw)
val = noiseData[n++];
else
{
if (mTile)
{
double swValue, seValue, neValue;
swValue = noise.GetValue(x, y);
seValue = noise.GetValue(Boundary.Object.W - x, y);
neValue = noise.GetValue(x, Boundary.Object.H - y);
double mirrorx = (swValue + seValue) / 2;
double mirrory = (swValue + neValue) / 2;
// lerp between mirror and real
double xloc = (x - Boundary.Object.X) / Boundary.Object.W;
double yloc = (y - Boundary.Object.Y) / Boundary.Object.H;
double factorx = Math.Abs(0.5 - xloc) * 2;
double factory = Math.Abs(0.5 - yloc) * 2;
if (Math.Abs(factorx - factory) < 0.1)
{
// calculate how much towards x is it
double factor = ((factorx - factory) / 0.1 + 1) / 2;
double valx = (mirrorx * factorx + swValue * (1 - factorx));
double valy = (mirrory * factory + swValue * (1 - factory));
val = (valx * factor + valy * (1 - factor));
}
else
{
if (factorx > factory)
val = (mirrorx * factorx + swValue * (1 - factorx));
else
val = (mirrory * factory + swValue * (1 - factory));
}
}
else
val = noise.GetValue(x, y);
noiseData[n++] = val;
}
if (!mNormal)
{
if (val < min) min = val;
if (val > max) max = val;
}
if (!mShadow)
{
if (mNormal) val = (val - min) / (max - min);
gradient.GetColor(val, ref c);
pixelData[i + yIndex] = c.R;
pixelData[i + yIndex + 1] = c.G;
pixelData[i + yIndex + 2] = c.B;
}
x += xInc;
}
y += yInc;
x = Boundary.Object.X;
}
if (!mShadow)
{
if (noDispatch)
bitmap = BitmapSource.Create(width, height, 96, 96, pf, null, pixelData, rawStride);
else
Application.Current.Dispatcher.Invoke((Action)(() => { bitmap = BitmapSource.Create(width, height, 96, 96, pf, null, pixelData, rawStride); }));
}
else
bitmap = Shadow(gradient);
return bitmap;
}
public BitmapSource Redraw(Adapter noise, GradientDef grad)
{
return mShadow ? Shadow(grad) : Render(noise, grad, true);
}