diff options
Diffstat (limited to 'java/ImageProcessing/filters/SharpenFilter.java')
| -rw-r--r-- | java/ImageProcessing/filters/SharpenFilter.java | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/java/ImageProcessing/filters/SharpenFilter.java b/java/ImageProcessing/filters/SharpenFilter.java deleted file mode 100644 index fcb6f03c7ac..00000000000 --- a/java/ImageProcessing/filters/SharpenFilter.java +++ /dev/null @@ -1,272 +0,0 @@ -package imaging.filters; - -import java.awt.Color; -import java.awt.image.*; -import java.util.*; - -public class SharpenFilter extends SpatialFilter -{ - float percentage_ = (float)75.0; - - public SharpenFilter() - { - } - - public SharpenFilter(float percentage) - { - percentage_ = percentage; - } - - public String info () - { - return "Sharpens an image."; - } - - - 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; - } - - System.gc(); - - float[] hsv = new float[3]; - int rgb, red, green, blue; - int pixel, alpha, lcv, lcv2, lcv3; - int[] pixels = new int[columns_*rows_]; - float fact, ifact, hue, sat, val, vsum; - float[] line0 = new float[columns_], - linep1 = new float[columns_], - linem1 = new float[columns_], - tmpptr; - - profile_timer_.start(); - - for (int z = 0; z < SpatialFilter.iterations_; z++) - { - fact = percentage_/(float)100.0; - ifact = (float)1.0 - fact; - - for (int x = 0; x < columns_; x++) - { - pixel = raster_[x]; - hsv = getHSV(((pixel >> 16) & 0xff), ((pixel >> 8) & 0xff), (pixel & 0xff),hsv); - line0[x] = hsv[2]; - } - - lcv = columns_ << 1; - for (int x = columns_, index = 0; x < lcv; x++, index++) - { - pixel = raster_[x]; - hsv = getHSV(((pixel >> 16) & 0xff), ((pixel >> 8) & 0xff), (pixel & 0xff),hsv); - linep1[index] = hsv[2]; - } - - lcv = columns_ - 1; - lcv2 = rows_ - 1; - for (int y = 1, i = columns_; y < lcv2; y++) - { - tmpptr = linem1; - linem1 = line0; - line0 = linep1; - linep1 = tmpptr; - - lcv3 = columns_*(y+2); - for (int x = columns_*(y+1), index= 0; x < lcv; x++, index++) - { - pixel = raster_[x]; - // Note hsv is only instantiated once - hsv = getHSV(((pixel >> 16) & 0xff), ((pixel >> 8) & 0xff), (pixel & 0xff), hsv); - linep1[index] = hsv[2]; - } - - i++; - for (int x = 1; x < lcv; x++, i++) - { - vsum = (float)0.0; - vsum = linem1[x-1] + linem1[x] + linem1[x+1] + - line0[x-1] + line0[x] + line0[x + 1] + - linep1[x-1] + linep1[x] + linep1[x + 1]; - - pixel = raster_[i]; - alpha = (pixel >> 24) & 0xff; - hsv = getHSV(((pixel >> 16) & 0xff), ((pixel >> 8) & 0xff), (pixel & 0xff), hsv); - - val = ((hsv[2] - (fact * vsum) / 9) / ifact); - if (val < 1.0) - { - if (val < 0.0) - val = (float)0.0; - } - else - val = (float)1.0; - - hsv[2] = val; - rgb = getRGB(hsv[0], hsv[1], hsv[2]); - - red = (rgb >> 16) & 0xff; - green = (rgb >> 8) & 0xff; - blue = rgb & 0xff; - - if (red < 0) red = 0; - if (green < 0) green = 0; - if (blue < 0) blue = 0 ; - - if (red > 255) red = 255; - if (green > 255) green = 255; - if (blue > 255) blue = 255; - - pixels[i] = - (alpha << 24) | (red << 16) | (green << 8) | blue; - } - i++; - } - } - - profile_timer_.stop(); - - consumer.setPixels(0, 0, columns_, rows_, defaultRGB_, pixels, 0, columns_); - - System.out.println("Finished altering image"); - consumer.imageComplete(status); - } - - - static private float[] getHSV(int red, int green, int blue, float[] hsv) - { - float rd, gd, bd, max, min, del, rc, gc, bc, hue, sat; - if (hsv == null) - hsv = new float[3]; - - /* convert RGB to HSV */ - rd = red / (float)255.0; /* rd,gd,bd range 0-1 instead of 0-255 */ - gd = green / (float)255.0; - bd = blue / (float)255.0; - - /* compute maximum of rd,gd,bd */ - if (rd >= gd) - { - if (rd >= bd) - max = rd; - else - max = bd; - } - else - { - if (gd >= bd) - max = gd; - else - max = bd; - } - - /* compute minimum of rd,gd,bd */ - if (rd<=gd) - { - if (rd<=bd) - min = rd; - else - min = bd; - } - else - { - if (gd<=bd) - min = gd; - else - min = bd; - } - - del = max - min; - hsv[2] = max; - - if (max != 0.0) - sat = (del) / max; - else - sat = (float)0.0; - - hue = -1; - - if (sat != 0.0) - { - rc = (max - rd) / del; - gc = (max - gd) / del; - bc = (max - bd) / del; - - if (rd == max) - hue = bc - gc; - else - if (gd == max) - hue = 2 + rc - bc; - else - if (bd == max) - hue = 4 + gc - rc; - - hue *= 60; - if (hue<0) - hue += 360; - } - - hsv[0] = hue; - hsv[1] = sat; - return hsv; - } - - static private int getRGB(float hue, float sat, float val) - { - int j, r, g, b; - float rd, gd, bd; - float f, p, q, t; - - /* convert HSV back to RGB */ - if (hue == -1 || sat == 0.0) - { - rd = val; gd = val; bd = val; - } - else - { - if (hue==(float)360.0) hue = (float)0.0; - hue = hue / (float)60.0; - j = (int) hue; - if (j<0) j=0; /* either hue or floor seem to go neg on some sys */ - f = hue - j; - p = val * (1-sat); // val - sat* val - q = val * (1 - (sat*f)); // val - val*sat*f - t = val * (1 - (sat*(1 - f))); - - switch (j) { - case 0: rd = val; gd = t; bd = p; break; - case 1: rd = q; gd = val; bd = p; break; - case 2: rd = p; gd = val; bd = t; break; - case 3: rd = p; gd = q; bd = val; break; - case 4: rd = t; gd = p; bd = val; break; - case 5: rd = val; gd = p; bd = q; break; - default: rd = val; gd = t; bd = p; break; /* never happen */ - } - } - r = (int)(rd * 255.0 + 0.5); - g = (int)(gd * 255.0 + 0.5); - b = (int)(bd * 255.0 + 0.5); - - return 0xff000000 | (r << 16) | (g << 8) | b; - } -} - - - - - - - - - - - - - - - |