1 files changed, 66 insertions, 0 deletions
diff --git a/graphics/gd2/files/patch-webpng.c b/graphics/gd2/files/patch-webpng.c
new file mode 100644
index 000000000000..fef8b31f40f4
--- /dev/null
+++ b/graphics/gd2/files/patch-webpng.c
@@ -0,0 +1,66 @@
+--- webpng.c.orig	Thu Apr 25 14:19:03 2002
++++ webpng.c	Thu Apr 25 12:43:55 2002
+@@ -168,12 +168,12 @@
+ 	  t = gdImageGetTransparent (im);
+ 	  if (t != (-1))
+ 	    {
+-	      printf ("First 100% transparent index: %d\n", t);
++				printf ("First 100%% transparent index: %d\n", t);
+ 	    }
+ 	  else
+ 	    {
+ 	      /* -1 means the image is not transparent. */
+-	      printf ("First 100% transparent index: none\n");
++				printf ("First 100%% transparent index: none\n");
+ 	    }
+ 	  if (gdImageGetInterlaced (im))
+ 	    {
+@@ -185,6 +185,40 @@
+ 	    }
+ 	  no = 0;
+ 	}
++		else if (!strcmp(argv[i], "-a"))
++		{
++			int maxx, maxy, x, y, alpha, pix, nalpha = 0;
++
++			maxx = gdImageSX(im);
++			maxy = gdImageSY(im);
++
++			printf("alpha channel information:\n");
++		
++			if (im->trueColor)	{
++				for (y = 0; y < maxy; y++)	{
++					for (x = 0; x < maxx; x++)	{
++						pix = gdImageGetPixel(im, x, y);
++						alpha = gdTrueColorGetAlpha(pix);
++
++						if (alpha > gdAlphaOpaque)	{
++							/* Use access macros to learn colors. */
++							printf ("%d	%d	%d	%d\n",
++									gdTrueColorGetRed(pix),
++									gdTrueColorGetGreen(pix),
++									gdTrueColorGetBlue(pix),
++									alpha);
++							nalpha++;
++						}
++
++					}
++				}
++			}
++			else
++				printf("NOT a true color image\n");
++			no = 0;	
++			printf("%d alpha channels\n", nalpha);
++			
++		}
+       else
+ 	{
+ 	  fprintf (stderr, "Unknown argument: %s\n", argv[i]);
+@@ -202,6 +236,7 @@
+ 	       "  -l         Prints the table of color indexes\n"
+ 	       "  -t [index] Set the transparent color to the specified index (0-255 or \"none\")\n"
+ 	       "  -d         Reports the dimensions and other characteristics of the image.\n"
++				"  -a         Prints all alpha channels that are not 100%% opaque.\n"
+ 	       "\n"
+ 	       "If you specify '-' as the input file, stdin/stdout will be used input/output.\n"
+ 	);