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package imaging.filters;
import java.awt.image.*;
public class MeanFilter extends FivebyfiveFilter
{
public MeanFilter()
{
}
public String info ()
{
return "Blurs an image.";
}
public void imageComplete(int status)
{
Timer timer = new Timer();
if (status == IMAGEERROR || status == IMAGEABORTED)
{
consumer.imageComplete(status);
System.out.println("Image Error");
return;
}
int[] pixels = new int[columns_];
createColorRasters();
int pixel = 0;
int red, green, blue;
int row1, row2, row3, row4, row5;
int new_red = 0, new_green = 0, new_blue = 0;
int alpha;
for (int x = 2; x < rows_ + 2; x++)
{
for (int y = 2; y < columns_ + 2; y++)
{
alpha = defaultRGB_.getAlpha(raster_[pixel++]);
row1 = columns_*(x - 2) + y;
row2 = row1 + columns_;
row3 = row2 + columns_;
row4 = row3 + columns_;
row5 = row4 + columns_;
new_red =
(red_raster_[row1 - 2]
+ red_raster_[row1 - 1]
+ red_raster_[row1]
+ red_raster_[row1 + 1]
+ red_raster_[row1 + 2]
+ red_raster_[row2 - 2]
+ red_raster_[row2 - 1]
+ red_raster_[row2]
+ red_raster_[row2 + 1]
+ red_raster_[row2 + 2]
+ red_raster_[row3 - 2]
+ red_raster_[row3 - 1]
+ red_raster_[row3]
+ red_raster_[row3 + 1]
+ red_raster_[row3 + 2]
+ red_raster_[row4 - 2]
+ red_raster_[row4 - 1]
+ red_raster_[row4]
+ red_raster_[row4 + 1]
+ red_raster_[row4 + 2]
+ red_raster_[row5 - 2]
+ red_raster_[row5 - 1]
+ red_raster_[row5]
+ red_raster_[row5 + 1]
+ red_raster_[row5 + 2])/25;
new_green =
(green_raster_[row1 - 2]
+ green_raster_[row1 - 1]
+ green_raster_[row1]
+ green_raster_[row1 + 1]
+ green_raster_[row1 + 2]
+ green_raster_[row2 - 2]
+ green_raster_[row2 - 1]
+ green_raster_[row2]
+ green_raster_[row2 + 1]
+ green_raster_[row2 + 2]
+ green_raster_[row3 - 2]
+ green_raster_[row3 - 1]
+ green_raster_[row3]
+ green_raster_[row3 + 1]
+ green_raster_[row3 + 2]
+ green_raster_[row4 - 2]
+ green_raster_[row4 - 1]
+ green_raster_[row4]
+ green_raster_[row4 + 1]
+ green_raster_[row4 + 2]
+ green_raster_[row5 - 2]
+ green_raster_[row5 - 1]
+ green_raster_[row5]
+ green_raster_[row5 + 1]
+ green_raster_[row5 + 2])/25;
new_blue =
(blue_raster_[row1 - 2]
+ blue_raster_[row1 - 1]
+ blue_raster_[row1]
+ blue_raster_[row1 + 1]
+ blue_raster_[row1 + 2]
+ blue_raster_[row2 - 2]
+ blue_raster_[row2 - 1]
+ blue_raster_[row2]
+ blue_raster_[row2 + 1]
+ blue_raster_[row2 + 2]
+ blue_raster_[row3 - 2]
+ blue_raster_[row3 - 1]
+ blue_raster_[row3]
+ blue_raster_[row3 + 1]
+ blue_raster_[row3 + 2]
+ blue_raster_[row4 - 2]
+ blue_raster_[row4 - 1]
+ blue_raster_[row4]
+ blue_raster_[row4 + 1]
+ blue_raster_[row4 + 2]
+ blue_raster_[row5 - 2]
+ blue_raster_[row5 - 1]
+ blue_raster_[row5]
+ blue_raster_[row5 + 1]
+ blue_raster_[row5 + 2])/25;
if (new_red > 255)
new_red = 255;
if (new_green > 255)
new_green = 255;
if (new_blue > 255)
new_blue = 255;
pixels[y - 2] = (alpha << 24) | (new_red << 16) | (new_green << 8) | new_blue;
}
consumer.setPixels(0, x-2, columns_, 1, defaultRGB_, pixels, 0, columns_);
}
// System.out.println(timer);
consumer.imageComplete(status);
}
}
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