add sample for all combinations of alpha compression + filter
(DITHERING can be used on these files too)
Change-Id: I11fcfc60de6e638be3bb612ed25e8c076f914487
diff --git a/alpha_filter_0_method_0.webp b/alpha_filter_0_method_0.webp
new file mode 100644
index 0000000..b935b5c
--- /dev/null
+++ b/alpha_filter_0_method_0.webp
Binary files differ
diff --git a/alpha_filter_0_method_1.webp b/alpha_filter_0_method_1.webp
new file mode 100644
index 0000000..b333bee
--- /dev/null
+++ b/alpha_filter_0_method_1.webp
Binary files differ
diff --git a/alpha_filter_1_method_0.webp b/alpha_filter_1_method_0.webp
new file mode 100644
index 0000000..009131c
--- /dev/null
+++ b/alpha_filter_1_method_0.webp
Binary files differ
diff --git a/alpha_filter_1_method_1.webp b/alpha_filter_1_method_1.webp
new file mode 100644
index 0000000..bd9bf2f
--- /dev/null
+++ b/alpha_filter_1_method_1.webp
Binary files differ
diff --git a/alpha_filter_2_method_0.webp b/alpha_filter_2_method_0.webp
new file mode 100644
index 0000000..0e3ec8d
--- /dev/null
+++ b/alpha_filter_2_method_0.webp
Binary files differ
diff --git a/alpha_filter_2_method_1.webp b/alpha_filter_2_method_1.webp
new file mode 100644
index 0000000..5713523
--- /dev/null
+++ b/alpha_filter_2_method_1.webp
Binary files differ
diff --git a/alpha_filter_3_method_0.webp b/alpha_filter_3_method_0.webp
new file mode 100644
index 0000000..f49e557
--- /dev/null
+++ b/alpha_filter_3_method_0.webp
Binary files differ
diff --git a/alpha_filter_3_method_1.webp b/alpha_filter_3_method_1.webp
new file mode 100644
index 0000000..271ab89
--- /dev/null
+++ b/alpha_filter_3_method_1.webp
Binary files differ
diff --git a/libwebp_tests.md5 b/libwebp_tests.md5
index 3a74f23..09570e3 100644
--- a/libwebp_tests.md5
+++ b/libwebp_tests.md5
@@ -393,6 +393,46 @@
d6416589945519a945d43da512f75072 alpha_no_compression.webp.pgm
76c9aa742d9f3c8fe0cc568b939e688f alpha_no_compression.webp.ppm
82c4c49dde8ecb10736acb885482ee36 alpha_no_compression.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_0_method_0.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_0_method_0.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_0_method_0.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_0_method_0.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_0_method_0.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_1_method_0.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_1_method_0.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_1_method_0.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_1_method_0.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_1_method_0.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_2_method_0.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_2_method_0.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_2_method_0.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_2_method_0.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_2_method_0.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_3_method_0.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_3_method_0.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_3_method_0.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_3_method_0.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_3_method_0.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_0_method_1.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_0_method_1.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_0_method_1.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_0_method_1.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_0_method_1.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_1_method_1.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_1_method_1.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_1_method_1.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_1_method_1.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_1_method_1.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_2_method_1.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_2_method_1.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_2_method_1.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_2_method_1.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_2_method_1.webp.tiff
+1871cf8be60ff362642dd3f4f2f50fae alpha_filter_3_method_1.webp.bmp
+33b13fbc45e1e9fe92cd60ba2108f715 alpha_filter_3_method_1.webp.pam
+32f4070f2d6d1695f2285ca21f810cc2 alpha_filter_3_method_1.webp.pgm
+8eb0e1ce7e3f102cea5dab93f76688f0 alpha_filter_3_method_1.webp.ppm
+86551a003c78f7ddb21e627cdc91b1f1 alpha_filter_3_method_1.webp.tiff
d9950a87e5cf2de155fcd31c01475e93 alpha_color_cache.webp.bmp
91cf9afc53048c718ee51644dad6a34f alpha_color_cache.webp.pam
9d8e492f6b7227a74c04456c84e5113a alpha_color_cache.webp.pgm
