Add png16malpha device.

This is a clone of the pngalpha device, with antialiasing disabled
by default. People should use this, together with the DownScaleFactor
parameter to acheive antialiasing without the nasty effects given
in some cases by GraphicsAlphaBits.

5 files changed, 12 insertions, 12 deletions

diff --git a/base/gdevp14.c b/base/gdevp14.c
index 3bad56e29..0b926ef83 100644
--- a/base/gdevp14.c
+++ b/base/gdevp14.c
@@ -3461,10 +3461,10 @@ pdf14_put_blended_image_cmykspot(gx_device* dev, gx_device* target,
     }
 
     /* Sep devices all support put_image (tiffsep and psdcmyk)
-       as well as those devices that support alpha (pngalpha)
-       If we are here, then we are doing an overprint simulation
-       on some other device. Image data is aleady blended and in
-       device color space. */
+       as well as those devices that support alpha (pngalpha,
+       png16malpha). If we are here, then we are doing an
+       overprint simulation on some other device. Image data
+       is aleady blended and in device color space. */
     code = gs_cspace_build_ICC(&pcs, NULL, pgs->memory);
     if (code < 0)
         return code;
diff --git a/base/openvms.mak b/base/openvms.mak
index 2260033e0..63eb802d8 100644
--- a/base/openvms.mak
+++ b/base/openvms.mak
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2021 Artifex Software, Inc.
+# Copyright (C) 2001-2022 Artifex Software, Inc.
 # All Rights Reserved.
 #
 # This software is provided AS-IS with no warranty, either express or
@@ -232,7 +232,7 @@ DEVICE_DEVS9=$(DD)pbm.dev $(DD)pbmraw.dev $(DD)pgm.dev $(DD)pgmraw.dev $(DD)pgnm
 DEVICE_DEVS10=$(DD)tiffcrle.dev $(DD)tiffg3.dev $(DD)tiffg32d.dev $(DD)tiffg4.dev $(DD)tifflzw.dev $(DD)tiffpack.dev
 DEVICE_DEVS11=$(DD)tiff12nc.dev $(DD)tiff24nc.dev $(DD)tiffgray.dev $(DD)tiff32nc.dev $(DD)tiffsep.dev $(DD)tiffsep1.dev $(DD)tiffscaled.dev $(DD)tiffscaled8.dev $(DD)tiffscaled24.dev $(DD)tiffscaled32.dev
 DEVICE_DEVS12=$(DD)bit.dev $(DD)bitrgb.dev $(DD)bitcmyk.dev
-DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pngmonod.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev
+DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pngmonod.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev $(DD)png16malpha.dev
 DEVICE_DEVS14=$(DD)jpeg.dev $(DD)jpeggray.dev $(DD)jpegcmyk.dev
 DEVICE_DEVS15=$(DD)pdfwrite.dev $(DD)ps2write.dev $(DD)eps2write.dev $(DD)txtwrite.dev $(DD)pxlmono.dev $(DD)pxlcolor.dev
 DEVICE_DEVS16=$(DD)bbox.dev $(DD)inkcov.dev $(DD)ink_cov.dev
diff --git a/base/openvms.mmk b/base/openvms.mmk
index 0b19ff1c9..2d0162daa 100644
--- a/base/openvms.mmk
+++ b/base/openvms.mmk
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2021 Artifex Software, Inc.
+# Copyright (C) 2001-2022 Artifex Software, Inc.
 # All Rights Reserved.
 #
 # This software is provided AS-IS with no warranty, either express or
@@ -244,7 +244,7 @@ DEVICE_DEVS9=$(DD)pbm.dev $(DD)pbmraw.dev $(DD)pgm.dev $(DD)pgmraw.dev $(DD)pgnm
 DEVICE_DEVS10=$(DD)tiffcrle.dev $(DD)tiffg3.dev $(DD)tiffg32d.dev $(DD)tiffg4.dev $(DD)tifflzw.dev $(DD)tiffpack.dev
 DEVICE_DEVS11=$(DD)tiff12nc.dev $(DD)tiff24nc.dev
 DEVICE_DEVS12=$(DD)bit.dev $(DD)bitrgb.dev $(DD)bitcmyk.dev
-DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev
+DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev $(DD)png16malpha.dev
 DEVICE_DEVS14=$(DD)jpeg.dev $(DD)jpeggray.dev
 DEVICE_DEVS15=$(DD)pdfwrite.dev $(DD)eps2write.dev $(DD)pxlmono.dev $(DD)pxlcolor.dev
 DEVICE_DEVS16=$(DD)bbox.dev
diff --git a/base/unix-gcc.mak b/base/unix-gcc.mak
index 2597b988a..2abc0223c 100644
--- a/base/unix-gcc.mak
+++ b/base/unix-gcc.mak
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2021 Artifex Software, Inc.
+# Copyright (C) 2001-2022 Artifex Software, Inc.
 # All Rights Reserved.
 #
 # This software is provided AS-IS with no warranty, either express or
@@ -560,7 +560,7 @@ DEVICE_DEVS2=$(DD)ap3250.dev $(DD)atx23.dev $(DD)atx24.dev $(DD)atx38.dev $(DD)b
 DEVICE_DEVS3=
 DEVICE_DEVS4=$(DD)ijs.dev
 DEVICE_DEVS5=
-DEVICE_DEVS6=$(DD)png16.dev $(DD)png16m.dev $(DD)png256.dev $(DD)png48.dev $(DD)pngalpha.dev $(DD)pnggray.dev $(DD)pngmono.dev
+DEVICE_DEVS6=$(DD)png16.dev $(DD)png16m.dev $(DD)png256.dev $(DD)png48.dev $(DD)pngalpha.dev $(DD)png16malpha.dev $(DD)pnggray.dev $(DD)pngmono.dev
 DEVICE_DEVS7=
 DEVICE_DEVS8=
 DEVICE_DEVS9=
diff --git a/base/unixansi.mak b/base/unixansi.mak
index d38e5f970..e24c3d476 100644
--- a/base/unixansi.mak
+++ b/base/unixansi.mak
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2021 Artifex Software, Inc.
+# Copyright (C) 2001-2022 Artifex Software, Inc.
 # All Rights Reserved.
 #
 # This software is provided AS-IS with no warranty, either express or
@@ -353,7 +353,7 @@ DEVICE_DEVS9=$(DD)pbm.dev $(DD)pbmraw.dev $(DD)pgm.dev $(DD)pgmraw.dev $(DD)pgnm
 DEVICE_DEVS10=$(DD)tiffcrle.dev $(DD)tiffg3.dev $(DD)tiffg32d.dev $(DD)tiffg4.dev $(DD)tifflzw.dev $(DD)tiffpack.dev
 DEVICE_DEVS11=$(DD)tiff12nc.dev $(DD)tiff24nc.dev $(DD)tiffgray.dev $(DD)tiff32nc.dev $(DD)tiffsep.dev $(DD)tiffsep1.dev $(DD)tiffscaled.dev $(DD)tiffscaled8.dev $(DD)tiffscaled24.dev $(DD)tiffscaled32.dev $(DD)tiffscaled4.dev
 DEVICE_DEVS12=$(DD)bit.dev $(DD)bitrgb.dev $(DD)bitcmyk.dev
-DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pngmonod.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev
+DEVICE_DEVS13=$(DD)pngmono.dev $(DD)pngmonod.dev $(DD)pnggray.dev $(DD)png16.dev $(DD)png256.dev $(DD)png16m.dev $(DD)pngalpha.dev $(DD)png16malpha.dev
 DEVICE_DEVS14=$(DD)jpeg.dev $(DD)jpeggray.dev $(DD)jpegcmyk.dev
 DEVICE_DEVS15=$(DD)pdfwrite.dev $(DD)ps2write.dev $(DD)eps2write.dev $(DD)txtwrite.dev $(DD)pxlmono.dev $(DD)pxlcolor.dev
 DEVICE_DEVS16=$(DD)bbox.dev $(DD)inkcov.dev $(DD)ink_cov.dev $(DD)pdfimage8.dev $(DD)pdfimage24.dev $(DD)pdfimage32.dev $(DD)PCLm.dev