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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /app/operations/gimpoperationcurves.c
parentInitial commit. (diff)
downloadgimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz
gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/operations/gimpoperationcurves.c')
-rw-r--r--app/operations/gimpoperationcurves.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/app/operations/gimpoperationcurves.c b/app/operations/gimpoperationcurves.c
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+++ b/app/operations/gimpoperationcurves.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationcurves.c
+ * Copyright (C) 2007 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpmath/gimpmath.h"
+
+#include "operations-types.h"
+
+#include "core/gimpcurve.h"
+#include "core/gimpcurve-map.h"
+
+#include "gimpcurvesconfig.h"
+#include "gimpoperationcurves.h"
+
+#include "gimp-intl.h"
+
+
+static gboolean gimp_operation_curves_process (GeglOperation *operation,
+ void *in_buf,
+ void *out_buf,
+ glong samples,
+ const GeglRectangle *roi,
+ gint level);
+
+
+G_DEFINE_TYPE (GimpOperationCurves, gimp_operation_curves,
+ GIMP_TYPE_OPERATION_POINT_FILTER)
+
+#define parent_class gimp_operation_curves_parent_class
+
+
+static void
+gimp_operation_curves_class_init (GimpOperationCurvesClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+ GeglOperationPointFilterClass *point_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
+
+ object_class->set_property = gimp_operation_point_filter_set_property;
+ object_class->get_property = gimp_operation_point_filter_get_property;
+
+ gegl_operation_class_set_keys (operation_class,
+ "name", "gimp:curves",
+ "categories", "color",
+ "description", _("Adjust color curves"),
+ NULL);
+
+ point_class->process = gimp_operation_curves_process;
+
+ g_object_class_install_property (object_class,
+ GIMP_OPERATION_POINT_FILTER_PROP_LINEAR,
+ g_param_spec_boolean ("linear",
+ "Linear",
+ "Whether to operate on linear RGB",
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ GIMP_OPERATION_POINT_FILTER_PROP_CONFIG,
+ g_param_spec_object ("config",
+ "Config",
+ "The config object",
+ GIMP_TYPE_CURVES_CONFIG,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_operation_curves_init (GimpOperationCurves *self)
+{
+}
+
+static gboolean
+gimp_operation_curves_process (GeglOperation *operation,
+ void *in_buf,
+ void *out_buf,
+ glong samples,
+ const GeglRectangle *roi,
+ gint level)
+{
+ GimpOperationPointFilter *point = GIMP_OPERATION_POINT_FILTER (operation);
+ GimpCurvesConfig *config = GIMP_CURVES_CONFIG (point->config);
+ gfloat *src = in_buf;
+ gfloat *dest = out_buf;
+
+ if (! config)
+ return FALSE;
+
+ gimp_curve_map_pixels (config->curve[0],
+ config->curve[1],
+ config->curve[2],
+ config->curve[3],
+ config->curve[4], src, dest, samples);
+
+ return TRUE;
+}