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Diffstat (limited to 'app/operations/gimpoperationfillsource.c')
-rw-r--r-- | app/operations/gimpoperationfillsource.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/app/operations/gimpoperationfillsource.c b/app/operations/gimpoperationfillsource.c new file mode 100644 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; +} |