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Documentation clean-up.

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This commit is contained in:
Harald Kuhr 2013-10-31 12:32:35 +01:00
parent 15cb7dd71b
commit a5e6346647
1 changed files with 8 additions and 13 deletions
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21
common/common-image/src/main/java/com/twelvemonkeys/image/DiffusionDither.java
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@ -17,7 +17,7 @@ import java.util.Random;
* This {@code BufferedImageOp/RasterOp} implements basic * This {@code BufferedImageOp/RasterOp} implements basic
* Floyd-Steinberg error-diffusion algorithm for dithering. * Floyd-Steinberg error-diffusion algorithm for dithering.
* <P/> * <P/>
* The weights used are 7/16 3/16 5/16 1/16, distributed like this: * The weights used are 7/16, 3/16, 5/16 and 1/16, distributed like this:
* <!-- - - * <!-- - -
* | |x|7| * | |x|7|
* - - - - * - - - -
@ -37,7 +37,6 @@ import java.util.Random;
* @author last modified by $Author: haku $ * @author last modified by $Author: haku $
* *
* @version $Id: DiffusionDither.java#1 $ * @version $Id: DiffusionDither.java#1 $
*
*/ */
public class DiffusionDither implements BufferedImageOp, RasterOp { public class DiffusionDither implements BufferedImageOp, RasterOp {
@ -72,6 +71,7 @@ public class DiffusionDither implements BufferedImageOp, RasterOp {
* Sets the scan mode. If the parameter is true, error distribution for * Sets the scan mode. If the parameter is true, error distribution for
* every even line will be left-to-right, while odd lines will be * every even line will be left-to-right, while odd lines will be
* right-to-left. * right-to-left.
* The default is {@code true}.
* *
* @param pUse {@code true} if scan mode should be alternating left/right * @param pUse {@code true} if scan mode should be alternating left/right
*/ */
@ -219,7 +219,7 @@ public class DiffusionDither implements BufferedImageOp, RasterOp {
* Floyd-Steinberg error-diffusion to the image. * Floyd-Steinberg error-diffusion to the image.
* *
* @param pSource the source image * @param pSource the source image
* @param pDest the destiantion image * @param pDest the destination image
* *
* @return the destination image, or a new image, if {@code pDest} was * @return the destination image, or a new image, if {@code pDest} was
* {@code null}. * {@code null}.
@ -243,8 +243,8 @@ public class DiffusionDither implements BufferedImageOp, RasterOp {
* Performs a single-input/single-output dither operation, applying basic * Performs a single-input/single-output dither operation, applying basic
* Floyd-Steinberg error-diffusion to the image. * Floyd-Steinberg error-diffusion to the image.
* *
* @param pSource * @param pSource the source raster, assumed to be in sRGB
* @param pDest * @param pDest the destination raster, may be {@code null}
* *
* @return the destination raster, or a new raster, if {@code pDest} was * @return the destination raster, or a new raster, if {@code pDest} was
* {@code null}. * {@code null}.
@ -271,9 +271,9 @@ public class DiffusionDither implements BufferedImageOp, RasterOp {
* Performs a single-input/single-output dither operation, applying basic * Performs a single-input/single-output dither operation, applying basic
* Floyd-Steinberg error-diffusion to the image. * Floyd-Steinberg error-diffusion to the image.
* *
* @param pSource * @param pSource the source raster, assumed to be in sRGB
* @param pDest * @param pDest the destination raster, may be {@code null}
* @param pColorModel * @param pColorModel the indexed color model to use
* *
* @return the destination raster, or a new raster, if {@code pDest} was * @return the destination raster, or a new raster, if {@code pDest} was
* {@code null}. * {@code null}.
@ -298,11 +298,6 @@ public class DiffusionDither implements BufferedImageOp, RasterOp {
// Random errors in [-1 .. 1] - for first row // Random errors in [-1 .. 1] - for first row
for (int i = 0; i < width + 2; i++) { for (int i = 0; i < width + 2; i++) {
// Note: This is broken for the strange cases where nextInt returns Integer.MIN_VALUE // Note: This is broken for the strange cases where nextInt returns Integer.MIN_VALUE
/*
currErr[i][0] = (Math.abs(RANDOM.nextInt()) % (FS_SCALE * 2)) - FS_SCALE;
currErr[i][1] = (Math.abs(RANDOM.nextInt()) % (FS_SCALE * 2)) - FS_SCALE;
currErr[i][2] = (Math.abs(RANDOM.nextInt()) % (FS_SCALE * 2)) - FS_SCALE;
*/
currErr[i][0] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE; currErr[i][0] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE;
currErr[i][1] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE; currErr[i][1] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE;
currErr[i][2] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE; currErr[i][2] = RANDOM.nextInt(FS_SCALE * 2) - FS_SCALE;