Changeset 4686 for ImageMagick/trunk/coders/png.c

Timestamp:

07/01/11 15:02:13 (23 months ago)

Author:

glennrp

Message:

Accept defined compression-filter=6,7,8,9 to be consistent with -quality option.

File:

• ImageMagick/trunk/coders/png.c (modified) (3 diffs)

ImageMagick/trunk/coders/png.c

@@ -10734 +10734 @@
 %  image depth and number of colors and limit transparency to binary
 %  transparency prior to attempting to write the image with depth, color,
-%   or transparency limitations.
-%
-%  To do: Enforce the previous paragraph.
+%  or transparency limitations.
 %
 %  Note that another definition, "png:bit-depth-written" exists, but it
@@ -10996 +10994 @@
   if (value != NULL)
   {
-      /* To do: use a "LocaleInteger:()" function here. */
-
       /* We have to add 1 to everything because 0 is a valid input,
        * and we want to use 0 (the default) to mean undefined.
@@ -11105 +11101 @@
         mng_info->write_png_compression_filter = 6;
 
+      else if (LocaleCompare(value,"6") == 0)
+        mng_info->write_png_compression_filter = 7;
+
+      else if (LocaleCompare(value,"7") == 0)
+        mng_info->write_png_compression_filter = 8;
+
+      else if (LocaleCompare(value,"8") == 0)
+        mng_info->write_png_compression_filter = 9;
+
+      else if (LocaleCompare(value,"9") == 0)
+        mng_info->write_png_compression_filter = 10;
 
       else