diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java b/src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java index 98f235662..91516a704 100644 --- a/src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java +++ b/src/jogl/classes/jogamp/opengl/util/pngj/ImageLineHelper.java @@ -5,11 +5,14 @@ import jogamp.opengl.util.pngj.chunks.PngChunkPLTE; import jogamp.opengl.util.pngj.chunks.PngChunkTRNS;
/**
- * Bunch of utility static methods to process/analyze an image line at the pixel level.
+ * Bunch of utility static methods to process/analyze an image line at the pixel
+ * level.
* <p>
- * Not essential at all, some methods are probably to be removed if future releases.
+ * Not essential at all, some methods are probably to be removed if future
+ * releases.
* <p>
- * WARNING: most methods for getting/setting values work currently only for integer base imageLines
+ * WARNING: most methods for getting/setting values work currently only for
+ * integer base imageLines
*/
public class ImageLineHelper {
@@ -18,7 +21,8 @@ public class ImageLineHelper { private final static double BIG_VALUE_NEG = Double.MAX_VALUE * (-0.5);
/**
- * Given an indexed line with a palette, unpacks as a RGB array, or RGBA if a non nul PngChunkTRNS chunk is passed
+ * Given an indexed line with a palette, unpacks as a RGB array, or RGBA if
+ * a non nul PngChunkTRNS chunk is passed
*
* @param line
* ImageLine as returned from PngReader
@@ -26,7 +30,8 @@ public class ImageLineHelper { * Palette chunk
* @param buf
* Preallocated array, optional
- * @return R G B (A), one sample 0-255 per array element. Ready for pngw.writeRowInt()
+ * @return R G B (A), one sample 0-255 per array element. Ready for
+ * pngw.writeRowInt()
*/
public static int[] palette2rgb(ImageLine line, PngChunkPLTE pal, PngChunkTRNS trns, int[] buf) {
boolean isalpha = trns != null;
@@ -53,9 +58,12 @@ public class ImageLineHelper { return palette2rgb(line, pal, null, buf);
}
- /** what follows is pretty uninteresting/untested/obsolete, subject to change */
/**
- * Just for basic info or debugging. Shows values for first and last pixel. Does not include alpha
+ * what follows is pretty uninteresting/untested/obsolete, subject to change
+ */
+ /**
+ * Just for basic info or debugging. Shows values for first and last pixel.
+ * Does not include alpha
*/
public static String infoFirstLastPixels(ImageLine line) {
return line.imgInfo.channels == 1 ? String.format("first=(%d) last=(%d)", line.scanline[0],
@@ -71,8 +79,8 @@ public class ImageLineHelper { }
/**
- * Computes some statistics for the line. Not very efficient or elegant, mainly for tests. Only for RGB/RGBA Outputs
- * values as doubles (0.0 - 1.0)
+ * Computes some statistics for the line. Not very efficient or elegant,
+ * mainly for tests. Only for RGB/RGBA Outputs values as doubles (0.0 - 1.0)
*/
static class ImageLineStats {
public double[] prom = { 0.0, 0.0, 0.0, 0.0 }; // channel averages
@@ -237,9 +245,11 @@ public class ImageLineHelper { /**
* Unpacks scanline (for bitdepth 1-2-4) into a array <code>int[]</code>
* <p>
- * You can (OPTIONALLY) pass an preallocated array, that will be filled and returned. If null, it will be allocated
+ * You can (OPTIONALLY) pass an preallocated array, that will be filled and
+ * returned. If null, it will be allocated
* <p>
- * If <code>scale==true<code>, it scales the value (just a bit shift) towards 0-255.
+ * If
+ * <code>scale==true<code>, it scales the value (just a bit shift) towards 0-255.
* <p>
* You probably should use {@link ImageLine#unpackToNewImageLine()}
*
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