- Add the PCL3 driver.

- The Ghostscript 8.15 compatibilty patch (patch-pcl3_eprn_eprnrend.c)
  is by Till Kamppeter (till.kamppeter at gmx.net) and has originally
  been posted on [3]

Submitted by:	"Pedro F. Giffuni" <giffunip@asme.org> [1],
		Jose M Rodriguez <josemi@freebsd.jazztel.es> [2]
PR:		ports/77185 [1], ports/76731 (partly) [2]
Obtained from:	http://www.linuxprinting.org/download/printing/ghostscript-8.x/patches/ghostscript-8.15-pcl3-driver-api8.patch [3]

1 files changed, 170 insertions, 0 deletions

diff --git a/print/ghostscript8/files/patch-pcl3_eprn_eprnrend.c b/print/ghostscript8/files/patch-pcl3_eprn_eprnrend.c
new file mode 100644
index 000000000000..d9adf9bbafa2
--- /dev/null
+++ b/print/ghostscript8/files/patch-pcl3_eprn_eprnrend.c
@@ -0,0 +1,170 @@
+-- pcl3/eprn/eprnrend.c.orig	2005-01-19 00:24:24.924311968 +0100
++++ pcl3/eprn/eprnrend.c	2005-01-19 01:24:06.024901928 +0100
+@@ -161,8 +161,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_RGB(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   static const gx_color_value half = gx_max_color_value/2;
+   gx_color_index value = 0;
+   const eprn_Device *dev = (eprn_Device *)device;
+@@ -197,8 +199,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_CMY_or_K(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   static const gx_color_value half = gx_max_color_value/2;
+   gx_color_index value = (CYAN_BIT | MAGENTA_BIT | YELLOW_BIT);
+   const eprn_Device *dev = (eprn_Device *)device;
+@@ -240,8 +244,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_RGB_flex(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   gx_color_index value = 0;
+   gx_color_value step;
+   unsigned int level;
+@@ -284,8 +290,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_CMY_or_K_flex(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   const eprn_Device *dev = (eprn_Device *)device;
+ 
+ #ifdef EPRN_TRACE
+@@ -298,11 +306,18 @@
+   /* Treat pure grey levels differently if we have black. This implies that for
+      CMY+K only "true" grey shades will be printed with black ink, all others
+      will be mixed from CMY. */
+-  if (dev->eprn.colour_model != eprn_DeviceCMY && red == green && green == blue)
+-    return eprn_map_cmyk_color_flex(device, 0, 0, 0, gx_max_color_value - red);
++  gx_color_value tmpcv[4];
++  if (dev->eprn.colour_model != eprn_DeviceCMY && red == green && green == blue) {
++    tmpcv[0] = 0; tmpcv[1] = 0; tmpcv[2] = 0;
++    tmpcv[3] = gx_max_color_value - red;
++    return eprn_map_cmyk_color_flex(device, tmpcv);
+ 
+-  return eprn_map_cmyk_color_flex(device, gx_max_color_value - red,
+-    gx_max_color_value - green, gx_max_color_value - blue, 0);
++  }
++  tmpcv[0] = gx_max_color_value - red; 
++  tmpcv[1] = gx_max_color_value - green; 
++  tmpcv[2] = gx_max_color_value - blue; 
++  tmpcv[3] = 0;
++  return eprn_map_cmyk_color_flex(device, tmpcv);
+ }
+ 
+ /******************************************************************************
+@@ -315,8 +330,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_RGB_max(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   gx_color_index value;
+ 
+ #ifdef EPRN_TRACE
+@@ -345,8 +362,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_rgb_color_for_CMY_or_K_max(gx_device *device,
+-  gx_color_value red, gx_color_value green, gx_color_value blue)
++  const gx_color_value cv[])
+ {
++  gx_color_value red, green, blue;
++  red = cv[0]; green = cv[1]; blue = cv[2];
+   const eprn_Device *dev = (eprn_Device *)device;
+ 
+ #ifdef EPRN_TRACE
+@@ -356,13 +375,19 @@
+     red, green, blue);
+ #endif
+ 
+-  if (dev->eprn.colour_model == eprn_DeviceGray)
+-    return eprn_map_cmyk_color_max(device, 0, 0, 0, gx_max_color_value - red);
+-
++  gx_color_value tmpcv[4];
++  if (dev->eprn.colour_model == eprn_DeviceGray) {
++    tmpcv[0] = 0; tmpcv[1] = 0; tmpcv[2] = 0;
++    tmpcv[3] = gx_max_color_value - red;
++    return eprn_map_cmyk_color_max(device, tmpcv);
++  }
+   /* Note that the conversion from composite black to true black for CMY+K can
+      only happen at the output pixel level, not here. */
+-  return eprn_map_cmyk_color_max(device, gx_max_color_value - red,
+-    gx_max_color_value - green, gx_max_color_value - blue, 0);
++  tmpcv[0] = gx_max_color_value - red; 
++  tmpcv[1] = gx_max_color_value - green; 
++  tmpcv[2] = gx_max_color_value - blue; 
++  tmpcv[3] = 0;
++  return eprn_map_cmyk_color_max(device, tmpcv);
+ }
+ 
+ /******************************************************************************
+@@ -389,7 +414,7 @@
+ ******************************************************************************/
+ 
+ int eprn_map_color_rgb(gx_device *device, gx_color_index color,
+-  gx_color_value rgb[3])
++  gx_color_value rgb[])
+ {
+ #ifdef EPRN_TRACE
+   if_debug1(EPRN_TRACE_CHAR,
+@@ -415,9 +440,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_cmyk_color(gx_device *device,
+-  gx_color_value cyan, gx_color_value magenta, gx_color_value yellow,
+-  gx_color_value black)
++  const gx_color_value cv[])
+ {
++  gx_color_value cyan, magenta, yellow, black;
++  cyan = cv[0]; magenta = cv[1]; yellow = cv[2]; black = cv[3];
+   gx_color_index value = 0;
+   static const gx_color_value threshold = gx_max_color_value/2;
+ 
+@@ -449,9 +475,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_cmyk_color_flex(gx_device *device,
+-  gx_color_value cyan, gx_color_value magenta, gx_color_value yellow,
+-  gx_color_value black)
++  const gx_color_value cv[])
+ {
++  gx_color_value cyan, magenta, yellow, black;
++  cyan = cv[0]; magenta = cv[1]; yellow = cv[2]; black = cv[3];
+   gx_color_index value = 0;
+   gx_color_value step;
+   unsigned int level;
+@@ -530,9 +557,10 @@
+ ******************************************************************************/
+ 
+ gx_color_index eprn_map_cmyk_color_max(gx_device *device,
+-  gx_color_value cyan, gx_color_value magenta, gx_color_value yellow,
+-  gx_color_value black)
++  const gx_color_value cv[])
+ {
++  gx_color_value cyan, magenta, yellow, black;
++  cyan = cv[0]; magenta = cv[1]; yellow = cv[2]; black = cv[3];
+   gx_color_index value;
+ 
+ #ifdef EPRN_TRACE