/// <summary>
/// Load in the image matrix by getting the substrokes from the file
/// </summary>
/// <param name="filename">JNT file to grab substrokes from</param>
private void loadJournal(string filename)
{
Substrokes substrokes = new Substrokes((new ConverterJnt.ReadJnt(filename)).Sketch.Substrokes);
//addDefinition(substrokes, filename);
addDefinition(substrokes);
}
/// <summary>
/// Add the image created by substrokes into the current image, no normalize
/// </summary>
/// <param name="substrokes">Substrokes to add to current image</param>
private void addDefinition(Substrokes substrokes)
{
DefinitionImage di = new DefinitionImage(m_width, m_height, substrokes);
m_image.matrix.Add(di.m_image.matrix);
m_polar.matrix.Add(di.m_polar.matrix);
m_imageTransform.matrix.Add(di.m_imageTransform.matrix);
m_polarTransform.matrix.Add(di.m_polarTransform.matrix);
//for single images
m_rotatedImages = di.m_rotatedImages;
//This is used to specify that all of the following images should match the first images orientation.
//This is particularly useful when creating the average image ;)!
if (m_matches.Count == 0)
{
m_matches.Add(di);
}
if (true)
{
di.Main.writeToBitmap("main" + counter.ToString() + ".bmp");
di.Polar.writeToBitmap("polar" + counter.ToString() + ".bmp");
}
++counter;
/* Do not normalize here.
* We will do that after the whole list from addDefinition(List<>) has been added.
*/
}
/// <summary>
/// Load in the image matrix by getting the substrokes from the file
/// </summary>
/// <param name="filename">XML file to grab substrokes from</param>
private void loadXML(string filename)
{
Substrokes substrokes = new Substrokes((new ConverterXML.ReadXML(filename)).Sketch.Substrokes);
//addDefinition(substrokes, filename);
addDefinition(substrokes);
}
private void addDefinition(Substrokes substrokes, DefinitionImage matchTo)
{
DefinitionImage di = new DefinitionImage(m_width, m_height, substrokes, matchTo);
m_image.matrix.Add(di.m_image.matrix);
m_polar.matrix.Add(di.m_polar.matrix);
m_imageTransform.matrix.Add(di.m_imageTransform.matrix);
m_polarTransform.matrix.Add(di.m_polarTransform.matrix);
if (true)
{
di.Main.writeToBitmap("out" + counter.ToString() + ".bmp");
}
++counter;
}
private void addDefinition(Substrokes substrokes, string filename)
{
/*
* int index = indexOf(filename);
* if (filename != null && index > -1)
* {
* addDefinition(substrokes, DefinitionImage.m_matches[index]);
* }
* else*/
addDefinition(substrokes);
/* Do not normalize here.
* We will do that after the whole list from addDefinition(List<>) has been added.
*/
}
/// <summary>
/// Adds a group of substrokes to the image
/// </summary>
/// <param name="substrokes">The substrokes to add</param>
protected virtual void AddPixels(Substrokes substrokes)
{
#if WEIGHTEDCENTER
float max = substrokes.MaxToWeightedCenter;
Point center = substrokes.WeightedCenter;
#else
float max = substrokes.MaxToCenter;
Point center = substrokes.Center;
#endif
_weighted_center = center;
span = 4 * max + 1.0f;
int row = -1, col = -1, rowprev = -1, colprev = -1;
Point[] points;
//Point center = substrokes.Center;
for (int i = 0; i < substrokes.Length; ++i)
{
points = substrokes[i].Points;
for (int j = 0; j < points.Length; ++j)
{
//override GetCoordinates in derived children
//to get different coordinate system, such as
//polar, as in PolarImage
GetCoordinates(center, span, points[j], out row, out col);
this.matrix[row, col] = 1.0;
//If this pixel and previous pixel do not touch, add a straight line
//If the pixels are too far, dont connect them
if ((Math.Abs(col - colprev) > 1 || Math.Abs(row - rowprev) > 1) && j > 0 &&
Math.Abs(col - colprev) < _width / 2.0 && Math.Abs(row - rowprev) < _height / 2.0)
{
FillInLine(row, col, rowprev, colprev);
}
rowprev = row;
colprev = col;
}
}
_cached_distances = null;
}
/// <summary>
/// Creates a windowed image.
/// </summary>
/// <param name="keys">The substrokes that are being considered.</param>
/// <param name="uncropped">The substrokes in the neighborhood of key (key is included in this list)</param>
/// <param name="cropMethod">An enum that specifies the cropping metric.</param>
public void CreateImage(List <Substroke> keys, List <Substroke> uncropped, CropMethod cropMethod)
{
// Creates a wrapper for the list of substrokes.
keysSub = new Substrokes(keys);
// Finds the maximum distance from the weighted center of the keys to the points on the substrokes of keys.
float maxDist = float.NegativeInfinity;
foreach (Substroke sub in keysSub.SubStrokes)
{
foreach (Point point in sub.PointsL)
{
maxDist = Math.Max(maxDist, (float)(new PointDistance(keysSub.WeightedCenter, point).distance(PointDistance.EUCLIDIAN)));
}
}
// Determines the width and height of keys
this.keysWidth = keysSub.MaxX - keysSub.MinX;
this.keysHeight = keysSub.MaxY - keysSub.MinY;
// Find the appropriate span given the size of the bounding box or the distance threshold
if (cropMethod == CropMethod.RECTANGLE || cropMethod == CropMethod.SQUARE)
{
this.span = Math.Max(2 * Math.Max((float)(keysWidth / 2 + keysWidth * BB_THRESHOLD),
(float)(keysHeight / 2 + keysHeight * BB_THRESHOLD)) + 1.0f, 2 * maxDist + 1.0f);
}
else
{
this.span = Math.Max(Math.Max(keysWidth, keysHeight) + 2 * DISTANCE_THRESHOLD + 1.0f,
2 * maxDist + 2 * DISTANCE_THRESHOLD + 1.0f);
}
this.cropped = this.CropSubstrokesDist(uncropped);
//Trick it so it does not rotate
//List<DefinitionImage> matches = new List<DefinitionImage>(0);
//di = new DefinitionImage(this.iWidth, this.iHeight, this.cropped, matches);
//this.AddPixels(cropped);
}
public DefinitionImage(int width, int height, Substrokes substrokes, List <DefinitionImage> matches)
{
/* Note: this constructor is a special case, which does not normalize the values.
* This constructor is important, as it is called in addDefinition(Substroke[] substrokes).
* If we made this constructor more generic, we would crash with a stack overflow.
*
* ie. We cannot simple do this:
* addDefinition(substrokes);
*/
m_width = width;
m_height = height;
m_image = new Image(m_width, m_height, substrokes);
m_polar = new PolarImage(m_width, m_height, substrokes);
m_imageTransform = new TransformImage(m_image);
m_polarTransform = new TransformImage(m_polar);
int len = matches.Count;
//Find the rotated image for each
if (len > 0)
{
double[] angles;
m_polar.findTranslations(matches, out angles);
m_rotatedImages = new Image[len];
int i;
Substrokes temp;
for (i = 0; i < len; ++i)
{
temp = substrokes.rotateClone(angles[i]);
m_rotatedImages[i] = new Image(m_width, m_height, temp);
}
}
}
public DefinitionImage(int width, int height, Substrokes substrokes, DefinitionImage matchTo)
: this(width, height, substrokes, new List <DefinitionImage>(new DefinitionImage[] { matchTo }))
{
}
/// <summary>
/// Constructor, no normalization
/// </summary>
/// <param name="width">Width of image in pixels</param>
/// <param name="height">Height of image in pixels</param>
/// <param name="substrokes">Substrokes to create the images</param>
public DefinitionImage(int width, int height, Substrokes substrokes)
: this(width, height, substrokes, DefinitionImage.m_matches)
{
}
public TransformImage(int width, int height, Substrokes substrokes)
: this(new Image(width, height, substrokes))
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="width">Width in pixels</param>
/// <param name="height">Height in pixels</param>
/// <param name="substrokes">Substrokes to convert into the image</param>
public PolarImage(int width, int height, Substrokes substrokes)
: base(width, height, substrokes)
{
}
private void LoadImage(Substrokes substrokes)
{
AddPixels(substrokes);
}
/// <summary>
/// Creates an image from a group of substrokes
/// </summary>
/// <param name="width">The width of the image in pixels</param>
/// <param name="height">The height of the image in pixels</param>
/// <param name="substrokes">The group of substrokes to be rasterized</param>
public Image(int width, int height, Substrokes substrokes)
: this(width, height, DEFAULT_FILL)
{
LoadImage(substrokes);
}
/*
* /// <summary>
* /// The definition image.
* /// </summary>
* private DefinitionImage di;
*/
#endregion
#region Constructor
/// <summary>
/// Constructor for WindowedImage.
/// </summary>
/// <param name="width">The width of the image in pixels.</param>
/// <param name="height">The height of the image in pixels.</param>
public WindowedImage(int width, int height) : base(width, height)
{
this.cropped = new Substrokes();
}