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authorRoger Leigh <rleigh@debian.org>2008-10-26 16:11:41 +0000
committerRoger Leigh <rleigh@debian.org>2008-10-26 16:11:41 +0000
commitdfae5860833782af557deb35e286d7e186fe3cf5 (patch)
treee3b4282ae08e120f78cd0c097f7cb3b570e94da2 /include/gutenprintui2/curve.h
parent3b59bb0a607ec27ea60f07d1cd5d1bbb4483c832 (diff)
Imported Upstream version 4.3.99+cvs20050702
Diffstat (limited to 'include/gutenprintui2/curve.h')
-rw-r--r--include/gutenprintui2/curve.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/include/gutenprintui2/curve.h b/include/gutenprintui2/curve.h
new file mode 100644
index 0000000..1c80faf
--- /dev/null
+++ b/include/gutenprintui2/curve.h
@@ -0,0 +1,127 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * 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 2 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * NOTE this widget is considered too specialized/little-used for
+ * GTK+, and will in the future be moved to some other package. If
+ * your application needs this widget, feel free to use it, as the
+ * widget does work and is useful in some applications; it's just not
+ * of general interest. However, we are not accepting new features for
+ * the widget, and it will eventually move out of the GTK+
+ * distribution.
+ */
+
+#ifndef GUTENPRINTUI_CURVE_H
+#define GUTENPRINTUI_CURVE_H
+
+
+#include <gdk/gdk.h>
+#include <gtk/gtkdrawingarea.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define STPUI_TYPE_CURVE (stpui_curve_get_type ())
+#define STPUI_CURVE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), STPUI_TYPE_CURVE, StpuiCurve))
+#define STPUI_CURVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), STPUI_TYPE_CURVE, StpuiCurveClass))
+#define STPUI_IS_CURVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), STPUI_TYPE_CURVE))
+#define STPUI_IS_CURVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), STPUI_TYPE_CURVE))
+#define STPUI_CURVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), STPUI_TYPE_CURVE, StpuiCurveClass))
+
+
+/* Curve types */
+typedef enum
+{
+ STPUI_CURVE_TYPE_LINEAR, /* linear interpolation */
+ STPUI_CURVE_TYPE_SPLINE, /* spline interpolation */
+ STPUI_CURVE_TYPE_FREE /* free form curve */
+} StpuiCurveType;
+
+
+typedef struct _StpuiCurve StpuiCurve;
+typedef struct _StpuiCurveClass StpuiCurveClass;
+
+
+struct _StpuiCurve
+{
+ GtkDrawingArea graph;
+
+ gint cursor_type;
+ gfloat min_x;
+ gfloat max_x;
+ gfloat min_y;
+ gfloat max_y;
+ GdkPixmap *pixmap;
+ StpuiCurveType curve_type;
+ gint height; /* (cached) graph height in pixels */
+ gint grab_point; /* point currently grabbed */
+ gint last;
+
+ /* (cached) curve points: */
+ gint num_points;
+ GdkPoint *point;
+
+ /* control points: */
+ gint num_ctlpoints; /* number of control points */
+ gfloat (*ctlpoint)[2]; /* array of control points */
+};
+
+struct _StpuiCurveClass
+{
+ GtkDrawingAreaClass parent_class;
+
+ void (* curve_type_changed) (StpuiCurve *curve);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+
+GType stpui_curve_get_type (void) G_GNUC_CONST;
+GtkWidget* stpui_curve_new (void);
+void stpui_curve_reset (StpuiCurve *curve);
+void stpui_curve_set_gamma (StpuiCurve *curve, gfloat gamma_);
+void stpui_curve_set_range (StpuiCurve *curve,
+ gfloat min_x, gfloat max_x,
+ gfloat min_y, gfloat max_y);
+void stpui_curve_get_vector (StpuiCurve *curve,
+ int veclen, gfloat vector[]);
+void stpui_curve_set_vector (StpuiCurve *curve,
+ int veclen, const gfloat vector[]);
+void stpui_curve_set_curve_type (StpuiCurve *curve, StpuiCurveType type);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* GUTENPRINTUI_CURVE_H */