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package imaging.filters;
import java.awt.image.*;
import JACE.Timers.ProfileTimer;
public class SpatialFilter extends ImageFilter implements MedFilter
{
public SpatialFilter()
{
}
public SpatialFilter(int[][] matrix, int degree)
{
this(matrix, degree, 1, 0);
}
public SpatialFilter(int[][] matrix, int degree, int div_factor, int offset)
{
matrix_ = matrix;
div_factor_ = div_factor;
offset_ = offset;
degree_ = degree;
}
public void setFilter(int[][] matrix, int degree, int div_factor)
{
matrix_ = matrix;
degree_ = degree;
div_factor_ = div_factor;
}
public String info ()
{
return "Base Filter class. Doesn't do much";
}
public long filterTime()
{
return profile_timer_.elapsedTime();
}
public static void setTimer(int internal_iterations)
{
iterations_ = internal_iterations;
}
public void setDimensions(int width, int height)
{
rows_ = height;
columns_ = width;
raster_ = new int[width * height];
consumer.setDimensions(width, height);
}
public void setPixels(int x, int y, int w, int h, ColorModel model,
byte pixels[], int off, int scansize)
{
int source_offset = off;
int dest_offset = y * columns_ + x;
for (int y_ind = 0; y_ind < h; y_ind++)
{
for (int x_ind = 0; x_ind < w; x_ind++)
{
raster_[dest_offset] = model.getRGB(pixels[source_offset] & 0xff);
dest_offset++;
source_offset++;
}
source_offset += (scansize - w);
dest_offset += (columns_ - w);
}
}
public void setPixels(int x, int y, int w, int h, ColorModel model,
int pixels[], int off, int scansize)
{
int source_offset = off;
int dest_offset = y * columns_ + x;
if (model == defaultRGB_)
{
for (int yc = 0; yc < h; yc++)
{
System.arraycopy(pixels, source_offset, raster_, dest_offset, w);
source_offset += scansize;
dest_offset += columns_;
}
}
else
{
for (int yc = 0; yc < h; yc++)
{
for (int xc = 0; xc < w; xc++)
{
raster_[dest_offset] = model.getRGB(pixels[source_offset]);
dest_offset++;
source_offset++;
}
source_offset += (scansize - w);
dest_offset += (columns_ - w);
}
}
}
public void setColorModel(ColorModel model)
{
consumer.setColorModel(defaultRGB_);
}
public void setHints(int hintflags)
{
consumer.setHints(TOPDOWNLEFTRIGHT
| COMPLETESCANLINES
| SINGLEPASS
| (hintflags & SINGLEFRAME));
}
public void imageComplete(int status)
{
System.out.println("Image Complete called");
if (status == IMAGEERROR || status == IMAGEABORTED)
{
consumer.imageComplete(status);
System.out.println("Image Error");
return;
}
int[] pixels = new int[columns_];
int[][] new_raster= expandRaster();
int pixel = 0;
int red, green, blue;
int new_red = 0, new_green = 0, new_blue = 0;
int alpha;
for (int x = raster_offset_; x < rows_; x++)
{
for (int y = raster_offset_; y < columns_; y++)
{
new_red = 0; new_green = 0; new_blue = 0;
alpha = defaultRGB_.getAlpha(new_raster[x][y]);
for (int i = 0; i < degree_; i++)
{
for (int j = 0; j < degree_; j++)
{
pixel = new_raster[x + (i - raster_offset_)][y + (j - raster_offset_)];
red = defaultRGB_.getRed(pixel) * matrix_[i][j];
blue = defaultRGB_.getBlue(pixel) * matrix_[i][j];
green = defaultRGB_.getGreen(pixel) * matrix_[i][j];
new_red += red;
new_green += green;
new_blue += blue;
}
}
new_red /= div_factor_;
new_green /= div_factor_;
new_blue /= div_factor_;
new_red = Math.min(Math.abs(new_red), 255);
new_green = Math.min(Math.abs(new_green), 255);
new_blue = Math.min(Math.abs(new_blue), 255);
pixels[y - raster_offset_] =
(alpha << 24) | (new_red << 16) | (new_green << 8) | new_blue;
}
consumer.setPixels(0, x - raster_offset_, columns_, 1, defaultRGB_, pixels, 0, columns_);
}
System.out.println("Finished altering image");
consumer.imageComplete(status);
}
protected int[][] expandRaster()
{
int[][] new_raster;
int index = 0;
raster_offset_ = degree_ / 2;
new_raster = new int[rows_ + raster_offset_*2][columns_ + raster_offset_*2];
for (int x = 0; x < rows_; x++)
{
for (int y = 0; y < columns_; y++)
{
new_raster[x + raster_offset_][y + raster_offset_] = raster_[index];
index++;
}
}
return new_raster;
}
protected static final int intensity(int rd, int gn, int bl)
{
return (((int)(rd)*11 + (int)(gn)*16 + (int)(bl)*5) >> 5);
}
protected static int iterations_ = 1;
protected static final ColorModel defaultRGB_ = ColorModel.getRGBdefault();
protected int[][] matrix_;
protected int[] raster_;
protected int rows_ = 0, columns_ = 0;
protected int div_factor_ = 1, offset_, degree_;
protected int raster_offset_ = 0;
protected final ProfileTimer profile_timer_ = new ProfileTimer();
}
|
