[gimp] app: add "precision" member and API to GimpTemplate

[Michael Natterer <mitch src gnome org>]

commit acda2b06fc3381d54c2da260069d10a4661dfb7b
Author: Michael Natterer <mitch gimp org>
Date:   Sun Apr 22 17:42:39 2012 +0200

    app: add "precision" member and API to GimpTemplate

 app/core/gimpimage-new.c |    2 +-
 app/core/gimptemplate.c  |   29 +++++++++++++++++++++++++++--
 app/core/gimptemplate.h  |    2 ++
 3 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/app/core/gimpimage-new.c b/app/core/gimpimage-new.c
index a24e6ce..2e3d5e4 100644
--- a/app/core/gimpimage-new.c
+++ b/app/core/gimpimage-new.c
@@ -98,7 +98,7 @@ gimp_image_new_from_template (Gimp         *gimp,
                              gimp_template_get_width (template),
                              gimp_template_get_height (template),
                              gimp_template_get_base_type (template),
-                             GIMP_PRECISION_U8, /* XXX add to template */
+                             gimp_template_get_precision (template),
                              FALSE);
 
   gimp_image_undo_disable (image);
diff --git a/app/core/gimptemplate.c b/app/core/gimptemplate.c
index a55a0b2..af6946f 100644
--- a/app/core/gimptemplate.c
+++ b/app/core/gimptemplate.c
@@ -50,6 +50,7 @@ enum
   PROP_YRESOLUTION,
   PROP_RESOLUTION_UNIT,
   PROP_BASE_TYPE,
+  PROP_PRECISION,
   PROP_FILL_TYPE,
   PROP_COMMENT,
   PROP_FILENAME
@@ -69,6 +70,7 @@ struct _GimpTemplatePrivate
   GimpUnit           resolution_unit;
 
   GimpImageBaseType  base_type;
+  GimpPrecision      precision;
 
   GimpFillType       fill_type;
 
@@ -155,6 +157,12 @@ gimp_template_class_init (GimpTemplateClass *klass)
                                  NULL,
                                  GIMP_TYPE_IMAGE_BASE_TYPE, GIMP_RGB,
                                  GIMP_PARAM_STATIC_STRINGS);
+  GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_PRECISION,
+                                 "precision",
+                                 NULL,
+                                 GIMP_TYPE_PRECISION, GIMP_PRECISION_U8,
+                                 GIMP_PARAM_STATIC_STRINGS);
+
   GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_FILL_TYPE,
                                  "fill-type",
                                  NULL,
@@ -232,6 +240,9 @@ gimp_template_set_property (GObject      *object,
     case PROP_BASE_TYPE:
       private->base_type = g_value_get_enum (value);
       break;
+    case PROP_PRECISION:
+      private->precision = g_value_get_enum (value);
+      break;
     case PROP_FILL_TYPE:
       private->fill_type = g_value_get_enum (value);
       break;
@@ -282,6 +293,9 @@ gimp_template_get_property (GObject    *object,
     case PROP_BASE_TYPE:
       g_value_set_enum (value, private->base_type);
       break;
+    case PROP_PRECISION:
+      g_value_set_enum (value, private->precision);
+      break;
     case PROP_FILL_TYPE:
       g_value_set_enum (value, private->fill_type);
       break;
@@ -307,11 +321,13 @@ gimp_template_notify (GObject    *object,
   if (G_OBJECT_CLASS (parent_class)->notify)
     G_OBJECT_CLASS (parent_class)->notify (object, pspec);
 
-  channels = ((private->base_type == GIMP_RGB ? 3 : 1)     /* color      */ +
+  channels = ((private->base_type == GIMP_RGB ? 3 : 1)      /* color      */ +
               (private->fill_type == GIMP_TRANSPARENT_FILL) /* alpha      */ +
               1                                             /* selection  */);
 
-  private->initial_size = ((guint64) channels        *
+  /* XXX todo honor precision */
+
+  private->initial_size = ((guint64) channels       *
                            (guint64) private->width *
                            (guint64) private->height);
 
@@ -368,6 +384,7 @@ gimp_template_set_from_image (GimpTemplate *template,
                 "yresolution",     yresolution,
                 "resolution-unit", gimp_image_get_unit (image),
                 "image-type",      base_type,
+                "precision",       gimp_image_get_precision (image),
                 "comment",         comment,
                 NULL);
 
@@ -431,6 +448,14 @@ gimp_template_get_base_type (GimpTemplate *template)
   return GET_PRIVATE (template)->base_type;
 }
 
+GimpPrecision
+gimp_template_get_precision (GimpTemplate *template)
+{
+  g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_PRECISION_U8);
+
+  return GET_PRIVATE (template)->precision;
+}
+
 GimpFillType
 gimp_template_get_fill_type (GimpTemplate *template)
 {
diff --git a/app/core/gimptemplate.h b/app/core/gimptemplate.h
index 08032c0..3164828 100644
--- a/app/core/gimptemplate.h
+++ b/app/core/gimptemplate.h
@@ -78,6 +78,8 @@ gdouble             gimp_template_get_resolution_y    (GimpTemplate *template);
 GimpUnit            gimp_template_get_resolution_unit (GimpTemplate *template);
 
 GimpImageBaseType   gimp_template_get_base_type       (GimpTemplate *template);
+GimpPrecision       gimp_template_get_precision       (GimpTemplate *template);
+
 GimpFillType        gimp_template_get_fill_type       (GimpTemplate *template);
 
 const gchar       * gimp_template_get_comment         (GimpTemplate *template);