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-rw-r--r--app/operations/gimpoperationfillsource.c254
1 files changed, 254 insertions, 0 deletions
diff --git a/app/operations/gimpoperationfillsource.c b/app/operations/gimpoperationfillsource.c
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index 0000000..5811611
--- /dev/null
+++ b/app/operations/gimpoperationfillsource.c
@@ -0,0 +1,254 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationfillsource.c
+ * Copyright (C) 2019 Ell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <cairo.h>
+#include <gegl-plugin.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "operations-types.h"
+
+#include "core/gimpdrawable.h"
+#include "core/gimpfilloptions.h"
+
+#include "gimpoperationfillsource.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_OPTIONS,
+ PROP_DRAWABLE,
+ PROP_PATTERN_OFFSET_X,
+ PROP_PATTERN_OFFSET_Y,
+};
+
+
+static void gimp_operation_fill_source_dispose (GObject *object);
+static void gimp_operation_fill_source_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_operation_fill_source_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static GeglRectangle gimp_operation_fill_source_get_bounding_box (GeglOperation *operation);
+static void gimp_operation_fill_source_prepare (GeglOperation *operation);
+static gboolean gimp_operation_fill_source_process (GeglOperation *operation,
+ GeglOperationContext *context,
+ const gchar *output_pad,
+ const GeglRectangle *result,
+ gint level);
+
+
+G_DEFINE_TYPE (GimpOperationFillSource, gimp_operation_fill_source,
+ GEGL_TYPE_OPERATION_SOURCE)
+
+#define parent_class gimp_operation_fill_source_parent_class
+
+
+static void
+gimp_operation_fill_source_class_init (GimpOperationFillSourceClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+
+ object_class->dispose = gimp_operation_fill_source_dispose;
+ object_class->set_property = gimp_operation_fill_source_set_property;
+ object_class->get_property = gimp_operation_fill_source_get_property;
+
+ operation_class->get_bounding_box = gimp_operation_fill_source_get_bounding_box;
+ operation_class->prepare = gimp_operation_fill_source_prepare;
+ operation_class->process = gimp_operation_fill_source_process;
+
+ operation_class->threaded = FALSE;
+ operation_class->cache_policy = GEGL_CACHE_POLICY_NEVER;
+
+ gegl_operation_class_set_keys (operation_class,
+ "name", "gimp:fill-source",
+ "categories", "gimp",
+ "description", "GIMP Fill Source operation",
+ NULL);
+
+ g_object_class_install_property (object_class, PROP_OPTIONS,
+ g_param_spec_object ("options",
+ "Options",
+ "Fill options",
+ GIMP_TYPE_FILL_OPTIONS,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_DRAWABLE,
+ g_param_spec_object ("drawable",
+ "Drawable",
+ "Fill drawable",
+ GIMP_TYPE_DRAWABLE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_PATTERN_OFFSET_X,
+ g_param_spec_int ("pattern-offset-x",
+ "Pattern X-offset",
+ "Pattern X-offset",
+ G_MININT, G_MAXINT, 0,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_PATTERN_OFFSET_Y,
+ g_param_spec_int ("pattern-offset-y",
+ "Pattern Y-offset",
+ "Pattern Y-offset",
+ G_MININT, G_MAXINT, 0,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_operation_fill_source_init (GimpOperationFillSource *self)
+{
+}
+
+static void
+gimp_operation_fill_source_dispose (GObject *object)
+{
+ GimpOperationFillSource *fill_source = GIMP_OPERATION_FILL_SOURCE (object);
+
+ g_clear_object (&fill_source->options);
+ g_clear_object (&fill_source->drawable);
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_operation_fill_source_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationFillSource *fill_source = GIMP_OPERATION_FILL_SOURCE (object);
+
+ switch (property_id)
+ {
+ case PROP_OPTIONS:
+ g_value_set_object (value, fill_source->options);
+ break;
+
+ case PROP_DRAWABLE:
+ g_value_set_object (value, fill_source->drawable);
+ break;
+
+ case PROP_PATTERN_OFFSET_X:
+ g_value_set_int (value, fill_source->pattern_offset_x);
+ break;
+
+ case PROP_PATTERN_OFFSET_Y:
+ g_value_set_int (value, fill_source->pattern_offset_y);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_operation_fill_source_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationFillSource *fill_source = GIMP_OPERATION_FILL_SOURCE (object);
+
+ switch (property_id)
+ {
+ case PROP_OPTIONS:
+ g_set_object (&fill_source->options, g_value_get_object (value));
+ break;
+
+ case PROP_DRAWABLE:
+ g_set_object (&fill_source->drawable, g_value_get_object (value));
+ break;
+
+ case PROP_PATTERN_OFFSET_X:
+ fill_source->pattern_offset_x = g_value_get_int (value);
+ break;
+
+ case PROP_PATTERN_OFFSET_Y:
+ fill_source->pattern_offset_y = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static GeglRectangle
+gimp_operation_fill_source_get_bounding_box (GeglOperation *operation)
+{
+ return gegl_rectangle_infinite_plane ();
+}
+
+static void
+gimp_operation_fill_source_prepare (GeglOperation *operation)
+{
+ GimpOperationFillSource *fill_source = GIMP_OPERATION_FILL_SOURCE (operation);
+ const Babl *format = NULL;
+
+ if (fill_source->options && fill_source->drawable)
+ {
+ format = gimp_fill_options_get_format (fill_source->options,
+ fill_source->drawable);
+ }
+
+ gegl_operation_set_format (operation, "output", format);
+}
+
+static gboolean
+gimp_operation_fill_source_process (GeglOperation *operation,
+ GeglOperationContext *context,
+ const gchar *output_pad,
+ const GeglRectangle *result,
+ gint level)
+{
+ GimpOperationFillSource *fill_source = GIMP_OPERATION_FILL_SOURCE (operation);
+
+ if (fill_source->options && fill_source->drawable)
+ {
+ GeglBuffer *buffer;
+ GeglRectangle rect;
+
+ gegl_rectangle_align_to_buffer (
+ &rect, result,
+ gimp_drawable_get_buffer (fill_source->drawable),
+ GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
+
+ buffer = gimp_fill_options_create_buffer (fill_source->options,
+ fill_source->drawable,
+ &rect,
+ fill_source->pattern_offset_x,
+ fill_source->pattern_offset_y);
+
+ gegl_operation_context_take_object (context, "output", G_OBJECT (buffer));
+ }
+
+ return TRUE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 20:06:27 +0000