Initial checkin of Pika from heckimp

2023-09-25 15:35:21 -07:00
commit 891e999216
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+/* LIBPIKA - The PIKA Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * pikacolorscale.h
+ * Copyright (C) 2002  Sven Neumann <sven@gimp.org>
+ *                     Michael Natterer <mitch@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__PIKA_WIDGETS_H_INSIDE__) && !defined (PIKA_WIDGETS_COMPILATION)
+#error "Only <libpikawidgets/pikawidgets.h> can be included directly."
+#endif
+
+#ifndef __PIKA_COLOR_SCALE_H__
+#define __PIKA_COLOR_SCALE_H__
+
+G_BEGIN_DECLS
+
+
+#define PIKA_TYPE_COLOR_SCALE            (pika_color_scale_get_type ())
+#define PIKA_COLOR_SCALE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_COLOR_SCALE, PikaColorScale))
+#define PIKA_COLOR_SCALE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_COLOR_SCALE, PikaColorScaleClass))
+#define PIKA_IS_COLOR_SCALE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_COLOR_SCALE))
+#define PIKA_IS_COLOR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_COLOR_SCALE))
+#define PIKA_COLOR_SCALE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_COLOR_SCALE, PikaColorScaleClass))
+
+
+typedef struct _PikaColorScalePrivate PikaColorScalePrivate;
+typedef struct _PikaColorScaleClass   PikaColorScaleClass;
+
+struct _PikaColorScale
+{
+  GtkScale               parent_instance;
+
+  PikaColorScalePrivate *priv;
+};
+
+struct _PikaColorScaleClass
+{
+  GtkScaleClass  parent_class;
+
+  /* Padding for future expansion */
+  void (* _pika_reserved1) (void);
+  void (* _pika_reserved2) (void);
+  void (* _pika_reserved3) (void);
+  void (* _pika_reserved4) (void);
+  void (* _pika_reserved5) (void);
+  void (* _pika_reserved6) (void);
+  void (* _pika_reserved7) (void);
+  void (* _pika_reserved8) (void);
+};
+
+
+GType       pika_color_scale_get_type         (void) G_GNUC_CONST;
+GtkWidget * pika_color_scale_new              (GtkOrientation            orientation,
+                                               PikaColorSelectorChannel  channel);
+
+void        pika_color_scale_set_channel      (PikaColorScale           *scale,
+                                               PikaColorSelectorChannel  channel);
+void        pika_color_scale_set_color        (PikaColorScale           *scale,
+                                               const PikaRGB            *rgb,
+                                               const PikaHSV            *hsv);
+
+void        pika_color_scale_set_color_config (PikaColorScale           *scale,
+                                               PikaColorConfig          *config);
+
+
+G_END_DECLS
+
+#endif /* __PIKA_COLOR_SCALE_H__ */