Do some code reorganization so that all of the PPD code is separate from the rest.

Note: cupsGetPPD* and friends are now in cups/ppd.h now - should not be an issue
but was necessary to leave a clean break for future code.



git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@13007 a1ca3aef-8c08-0410-bb20-df032aa958be

1 files changed, 389 insertions, 0 deletions

diff --git a/cups/ppd-page.c b/cups/ppd-page.c
new file mode 100644
index 000000000..f7eb62b4a
--- /dev/null
+++ b/cups/ppd-page.c
@@ -0,0 +1,389 @@
+/*
+ * "$Id$"
+ *
+ * Page size functions for CUPS.
+ *
+ * Copyright 2007-2015 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file.  If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * PostScript is a trademark of Adobe Systems, Inc.
+ *
+ * This file is subject to the Apple OS-Developed Software exception.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "string-private.h"
+#include "debug-private.h"
+#include "ppd.h"
+
+
+/*
+ * 'ppdPageSize()' - Get the page size record for the named size.
+ */
+
+ppd_size_t *				/* O - Size record for page or NULL */
+ppdPageSize(ppd_file_t *ppd,		/* I - PPD file record */
+            const char *name)		/* I - Size name */
+{
+  int		i;			/* Looping var */
+  ppd_size_t	*size;			/* Current page size */
+  double	w, l;			/* Width and length of page */
+  char		*nameptr;		/* Pointer into name */
+  struct lconv	*loc;			/* Locale data */
+  ppd_coption_t	*coption;		/* Custom option for page size */
+  ppd_cparam_t	*cparam;		/* Custom option parameter */
+
+
+  DEBUG_printf(("2ppdPageSize(ppd=%p, name=\"%s\")", ppd, name));
+
+  if (!ppd)
+  {
+    DEBUG_puts("3ppdPageSize: Bad PPD pointer, returning NULL...");
+    return (NULL);
+  }
+
+  if (name)
+  {
+    if (!strncmp(name, "Custom.", 7) && ppd->variable_sizes)
+    {
+     /*
+      * Find the custom page size...
+      */
+
+      for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++)
+	if (!strcmp("Custom", size->name))
+          break;
+
+      if (!i)
+      {
+	DEBUG_puts("3ppdPageSize: No custom sizes, returning NULL...");
+        return (NULL);
+      }
+
+     /*
+      * Variable size; size name can be one of the following:
+      *
+      *    Custom.WIDTHxLENGTHin    - Size in inches
+      *    Custom.WIDTHxLENGTHft    - Size in feet
+      *    Custom.WIDTHxLENGTHcm    - Size in centimeters
+      *    Custom.WIDTHxLENGTHmm    - Size in millimeters
+      *    Custom.WIDTHxLENGTHm     - Size in meters
+      *    Custom.WIDTHxLENGTH[pt]  - Size in points
+      */
+
+      loc = localeconv();
+      w   = _cupsStrScand(name + 7, &nameptr, loc);
+      if (!nameptr || *nameptr != 'x')
+        return (NULL);
+
+      l = _cupsStrScand(nameptr + 1, &nameptr, loc);
+      if (!nameptr)
+        return (NULL);
+
+      if (!_cups_strcasecmp(nameptr, "in"))
+      {
+        w *= 72.0;
+	l *= 72.0;
+      }
+      else if (!_cups_strcasecmp(nameptr, "ft"))
+      {
+        w *= 12.0 * 72.0;
+	l *= 12.0 * 72.0;
+      }
+      else if (!_cups_strcasecmp(nameptr, "mm"))
+      {
+        w *= 72.0 / 25.4;
+        l *= 72.0 / 25.4;
+      }
+      else if (!_cups_strcasecmp(nameptr, "cm"))
+      {
+        w *= 72.0 / 2.54;
+        l *= 72.0 / 2.54;
+      }
+      else if (!_cups_strcasecmp(nameptr, "m"))
+      {
+        w *= 72.0 / 0.0254;
+        l *= 72.0 / 0.0254;
+      }
+
+      size->width  = (float)w;
+      size->length = (float)l;
+      size->left   = ppd->custom_margins[0];
+      size->bottom = ppd->custom_margins[1];
+      size->right  = (float)(w - ppd->custom_margins[2]);
+      size->top    = (float)(l - ppd->custom_margins[3]);
+
+     /*
+      * Update the custom option records for the page size, too...
+      */
+
+      if ((coption = ppdFindCustomOption(ppd, "PageSize")) != NULL)
+      {
+        if ((cparam = ppdFindCustomParam(coption, "Width")) != NULL)
+	  cparam->current.custom_points = (float)w;
+
+        if ((cparam = ppdFindCustomParam(coption, "Height")) != NULL)
+	  cparam->current.custom_points = (float)l;
+      }
+
+     /*
+      * Return the page size...
+      */
+
+      DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size,
+                    size->name, size->width, size->length));
+
+      return (size);
+    }
+    else
+    {
+     /*
+      * Lookup by name...
+      */
+
+      for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++)
+	if (!_cups_strcasecmp(name, size->name))
+	{
+	  DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size,
+			size->name, size->width, size->length));
+
+          return (size);
+	}
+    }
+  }
+  else
+  {
+   /*
+    * Find default...
+    */
+
+    for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++)
+      if (size->marked)
+      {
+	DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size,
+		      size->name, size->width, size->length));
+
+        return (size);
+      }
+  }
+
+  DEBUG_puts("3ppdPageSize: Size not found, returning NULL");
+
+  return (NULL);
+}
+
+
+/*
+ * 'ppdPageSizeLimits()' - Return the custom page size limits.
+ *
+ * This function returns the minimum and maximum custom page sizes and printable
+ * areas based on the currently-marked (selected) options.
+ *
+ * If the specified PPD file does not support custom page sizes, both
+ * "minimum" and "maximum" are filled with zeroes.
+ *
+ * @since CUPS 1.4/OS X 10.6@
+ */
+
+int					/* O - 1 if custom sizes are supported, 0 otherwise */
+ppdPageSizeLimits(ppd_file_t *ppd,	/* I - PPD file record */
+                  ppd_size_t *minimum,	/* O - Minimum custom size */
+		  ppd_size_t *maximum)	/* O - Maximum custom size */
+{
+  ppd_choice_t	*qualifier2,		/* Second media qualifier */
+		*qualifier3;		/* Third media qualifier */
+  ppd_attr_t	*attr;			/* Attribute */
+  float		width,			/* Min/max width */
+		length;			/* Min/max length */
+  char		spec[PPD_MAX_NAME];	/* Selector for min/max */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (!ppd || !ppd->variable_sizes || !minimum || !maximum)
+  {
+    if (minimum)
+      memset(minimum, 0, sizeof(ppd_size_t));
+
+    if (maximum)
+      memset(maximum, 0, sizeof(ppd_size_t));
+
+    return (0);
+  }
+
+ /*
+  * See if we have the cupsMediaQualifier2 and cupsMediaQualifier3 attributes...
+  */
+
+  cupsArraySave(ppd->sorted_attrs);
+
+  if ((attr = ppdFindAttr(ppd, "cupsMediaQualifier2", NULL)) != NULL &&
+      attr->value)
+    qualifier2 = ppdFindMarkedChoice(ppd, attr->value);
+  else
+    qualifier2 = NULL;
+
+  if ((attr = ppdFindAttr(ppd, "cupsMediaQualifier3", NULL)) != NULL &&
+      attr->value)
+    qualifier3 = ppdFindMarkedChoice(ppd, attr->value);
+  else
+    qualifier3 = NULL;
+
+ /*
+  * Figure out the current minimum width and length...
+  */
+
+  width  = ppd->custom_min[0];
+  length = ppd->custom_min[1];
+
+  if (qualifier2)
+  {
+   /*
+    * Try getting cupsMinSize...
+    */
+
+    if (qualifier3)
+    {
+      snprintf(spec, sizeof(spec), ".%s.%s", qualifier2->choice,
+	       qualifier3->choice);
+      attr = ppdFindAttr(ppd, "cupsMinSize", spec);
+    }
+    else
+      attr = NULL;
+
+    if (!attr)
+    {
+      snprintf(spec, sizeof(spec), ".%s.", qualifier2->choice);
+      attr = ppdFindAttr(ppd, "cupsMinSize", spec);
+    }
+
+    if (!attr && qualifier3)
+    {
+      snprintf(spec, sizeof(spec), "..%s", qualifier3->choice);
+      attr = ppdFindAttr(ppd, "cupsMinSize", spec);
+    }
+
+    if ((attr && attr->value &&
+         sscanf(attr->value, "%f%f", &width, &length) != 2) || !attr)
+    {
+      width  = ppd->custom_min[0];
+      length = ppd->custom_min[1];
+    }
+  }
+
+  minimum->width  = width;
+  minimum->length = length;
+  minimum->left   = ppd->custom_margins[0];
+  minimum->bottom = ppd->custom_margins[1];
+  minimum->right  = width - ppd->custom_margins[2];
+  minimum->top    = length - ppd->custom_margins[3];
+
+ /*
+  * Figure out the current maximum width and length...
+  */
+
+  width  = ppd->custom_max[0];
+  length = ppd->custom_max[1];
+
+  if (qualifier2)
+  {
+   /*
+    * Try getting cupsMaxSize...
+    */
+
+    if (qualifier3)
+    {
+      snprintf(spec, sizeof(spec), ".%s.%s", qualifier2->choice,
+	       qualifier3->choice);
+      attr = ppdFindAttr(ppd, "cupsMaxSize", spec);
+    }
+    else
+      attr = NULL;
+
+    if (!attr)
+    {
+      snprintf(spec, sizeof(spec), ".%s.", qualifier2->choice);
+      attr = ppdFindAttr(ppd, "cupsMaxSize", spec);
+    }
+
+    if (!attr && qualifier3)
+    {
+      snprintf(spec, sizeof(spec), "..%s", qualifier3->choice);
+      attr = ppdFindAttr(ppd, "cupsMaxSize", spec);
+    }
+
+    if (!attr ||
+        (attr->value && sscanf(attr->value, "%f%f", &width, &length) != 2))
+    {
+      width  = ppd->custom_max[0];
+      length = ppd->custom_max[1];
+    }
+  }
+
+  maximum->width  = width;
+  maximum->length = length;
+  maximum->left   = ppd->custom_margins[0];
+  maximum->bottom = ppd->custom_margins[1];
+  maximum->right  = width - ppd->custom_margins[2];
+  maximum->top    = length - ppd->custom_margins[3];
+
+ /*
+  * Return the min and max...
+  */
+
+  cupsArrayRestore(ppd->sorted_attrs);
+
+  return (1);
+}
+
+
+/*
+ * 'ppdPageWidth()' - Get the page width for the given size.
+ */
+
+float				/* O - Width of page in points or 0.0 */
+ppdPageWidth(ppd_file_t *ppd,	/* I - PPD file record */
+             const char *name)	/* I - Size name */
+{
+  ppd_size_t	*size;		/* Page size */
+
+
+  if ((size = ppdPageSize(ppd, name)) == NULL)
+    return (0.0);
+  else
+    return (size->width);
+}
+
+
+/*
+ * 'ppdPageLength()' - Get the page length for the given size.
+ */
+
+float				/* O - Length of page in points or 0.0 */
+ppdPageLength(ppd_file_t *ppd,	/* I - PPD file */
+              const char *name)	/* I - Size name */
+{
+  ppd_size_t	*size;		/* Page size */
+
+
+  if ((size = ppdPageSize(ppd, name)) == NULL)
+    return (0.0);
+  else
+    return (size->length);
+}
+
+
+/*
+ * End of "$Id$".
+ */