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app: add gimp_gegl_get_op_enum_type() to get the GType of a gegl enum 

and use it in convert-precision-dialog.c
This commit is contained in:
Michael Natterer 2012-09-24 19:04:01 +02:00
parent ca5391f42f
commit 5b86b55e2a
3 changed files with 35 additions and 6 deletions
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8
app/dialogs/convert-precision-dialog.c
View File

@ -25,6 +25,8 @@
#include "dialogs-types.h"
#include "gegl/gimp-gegl-utils.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
@ -88,8 +90,6 @@ convert_precision_dialog_new (GimpImage *image,
GtkSizeGroup *size_group;
const gchar *enum_desc;
gchar *blurb;
GType operation_type;
GParamSpec *dither_pspec;
GType dither_type;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
@ -155,10 +155,8 @@ convert_precision_dialog_new (GimpImage *image,
/* dithering */
operation_type = gegl_operation_gtype_from_name ("gegl:color-reduction");
dither_pspec = g_object_class_find_property (g_type_class_peek (operation_type),
dither_type = gimp_gegl_get_op_enum_type ("gegl:color-reduction",
"dither-strategy");
dither_type = G_TYPE_FROM_CLASS (G_PARAM_SPEC_ENUM (dither_pspec)->enum_class);
frame = gimp_frame_new (_("Dithering"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);

28
app/gegl/gimp-gegl-utils.c
View File

@ -45,6 +45,34 @@ gimp_interpolation_to_gegl_filter (GimpInterpolationType interpolation)
return "nearest";
}
GType
gimp_gegl_get_op_enum_type (const gchar *operation,
const gchar *property)
{
GeglNode *node;
GObject *op;
GParamSpec *pspec;
g_return_val_if_fail (operation != NULL, G_TYPE_NONE);
g_return_val_if_fail (property != NULL, G_TYPE_NONE);
node = g_object_new (GEGL_TYPE_NODE,
"operation", operation,
NULL);
g_object_get (node, "gegl-operation", &op, NULL);
g_object_unref (node);
g_return_val_if_fail (op != NULL, G_TYPE_NONE);
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (op), property);
g_return_val_if_fail (G_IS_PARAM_SPEC_ENUM (pspec), G_TYPE_NONE);
g_object_unref (op);
return G_TYPE_FROM_CLASS (G_PARAM_SPEC_ENUM (pspec)->enum_class);
}
GeglColor *
gimp_gegl_color_new (const GimpRGB *rgb)
{

3
app/gegl/gimp-gegl-utils.h
View File

@ -24,6 +24,9 @@
const gchar * gimp_interpolation_to_gegl_filter (GimpInterpolationType interpolation) G_GNUC_CONST;
GType gimp_gegl_get_op_enum_type (const gchar *operation,
const gchar *property);
GeglColor * gimp_gegl_color_new (const GimpRGB *rgb);
void gimp_gegl_progress_connect (GeglNode *node,