Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 233 insertions, 0 deletions

diff --git a/libgimpcolor/gimprgb.h b/libgimpcolor/gimprgb.h
new file mode 100644
index 0000000..089d97c
--- /dev/null
+++ b/libgimpcolor/gimprgb.h
@@ -0,0 +1,233 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * 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
+ * Library 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 (__GIMP_COLOR_H_INSIDE__) && !defined (GIMP_COLOR_COMPILATION)
+#error "Only <libgimpcolor/gimpcolor.h> can be included directly."
+#endif
+
+#ifndef __GIMP_RGB_H__
+#define __GIMP_RGB_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+/*
+ * GIMP_TYPE_RGB
+ */
+
+#define GIMP_TYPE_RGB               (gimp_rgb_get_type ())
+#define GIMP_VALUE_HOLDS_RGB(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_RGB))
+
+GType   gimp_rgb_get_type           (void) G_GNUC_CONST;
+
+void    gimp_value_get_rgb          (const GValue  *value,
+                                     GimpRGB       *rgb);
+void    gimp_value_set_rgb          (GValue        *value,
+                                     const GimpRGB *rgb);
+
+
+/*
+ * GIMP_TYPE_PARAM_RGB
+ */
+
+#define GIMP_TYPE_PARAM_RGB           (gimp_param_rgb_get_type ())
+#define GIMP_IS_PARAM_SPEC_RGB(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_RGB))
+
+
+GType        gimp_param_rgb_get_type         (void) G_GNUC_CONST;
+
+GParamSpec * gimp_param_spec_rgb             (const gchar    *name,
+                                              const gchar    *nick,
+                                              const gchar    *blurb,
+                                              gboolean        has_alpha,
+                                              const GimpRGB  *default_value,
+                                              GParamFlags     flags);
+
+void         gimp_param_spec_rgb_get_default (GParamSpec     *pspec,
+                                              GimpRGB        *default_value);
+gboolean     gimp_param_spec_rgb_has_alpha   (GParamSpec     *pspec);
+
+
+/*  RGB and RGBA color types and operations taken from LibGCK  */
+
+/**
+ * GimpRGBCompositeMode:
+ * @GIMP_RGB_COMPOSITE_NONE: don't do compositing
+ * @GIMP_RGB_COMPOSITE_NORMAL: composite on top
+ * @GIMP_RGB_COMPOSITE_BEHIND: composite behind
+ **/
+typedef enum
+{
+  GIMP_RGB_COMPOSITE_NONE = 0,
+  GIMP_RGB_COMPOSITE_NORMAL,
+  GIMP_RGB_COMPOSITE_BEHIND
+} GimpRGBCompositeMode;
+
+
+void      gimp_rgb_set             (GimpRGB       *rgb,
+                                    gdouble        red,
+                                    gdouble        green,
+                                    gdouble        blue);
+void      gimp_rgb_set_alpha       (GimpRGB       *rgb,
+                                    gdouble        alpha);
+
+void      gimp_rgb_set_pixel       (GimpRGB       *rgb,
+                                    const Babl    *format,
+                                    gconstpointer  pixel);
+void      gimp_rgb_get_pixel       (const GimpRGB *rgb,
+                                    const Babl    *format,
+                                    gpointer       pixel);
+
+void      gimp_rgb_set_uchar       (GimpRGB       *rgb,
+                                    guchar         red,
+                                    guchar         green,
+                                    guchar         blue);
+void      gimp_rgb_get_uchar       (const GimpRGB *rgb,
+                                    guchar        *red,
+                                    guchar        *green,
+                                    guchar        *blue);
+
+gboolean  gimp_rgb_parse_name      (GimpRGB       *rgb,
+                                    const gchar   *name,
+                                    gint           len);
+gboolean  gimp_rgb_parse_hex       (GimpRGB       *rgb,
+                                    const gchar   *hex,
+                                    gint           len);
+gboolean  gimp_rgb_parse_css       (GimpRGB       *rgb,
+                                    const gchar   *css,
+                                    gint           len);
+
+void      gimp_rgb_add             (GimpRGB       *rgb1,
+                                    const GimpRGB *rgb2);
+void      gimp_rgb_subtract        (GimpRGB       *rgb1,
+                                    const GimpRGB *rgb2);
+void      gimp_rgb_multiply        (GimpRGB       *rgb1,
+                                    gdouble        factor);
+gdouble   gimp_rgb_distance        (const GimpRGB *rgb1,
+                                    const GimpRGB *rgb2);
+
+gdouble   gimp_rgb_max             (const GimpRGB *rgb);
+gdouble   gimp_rgb_min             (const GimpRGB *rgb);
+void      gimp_rgb_clamp           (GimpRGB       *rgb);
+
+void      gimp_rgb_gamma           (GimpRGB       *rgb,
+                                    gdouble        gamma);
+
+gdouble   gimp_rgb_luminance       (const GimpRGB *rgb);
+guchar    gimp_rgb_luminance_uchar (const GimpRGB *rgb);
+
+GIMP_DEPRECATED_FOR(gimp_rgb_luminance)
+gdouble   gimp_rgb_intensity       (const GimpRGB *rgb);
+GIMP_DEPRECATED_FOR(gimp_rgb_luminance_uchar)
+guchar    gimp_rgb_intensity_uchar (const GimpRGB *rgb);
+
+void      gimp_rgb_composite       (GimpRGB              *color1,
+                                    const GimpRGB        *color2,
+                                    GimpRGBCompositeMode  mode);
+
+/*  access to the list of color names  */
+gint      gimp_rgb_list_names      (const gchar ***names,
+                                    GimpRGB      **colors);
+
+
+void      gimp_rgba_set            (GimpRGB       *rgba,
+                                    gdouble        red,
+                                    gdouble        green,
+                                    gdouble        blue,
+                                    gdouble        alpha);
+
+void      gimp_rgba_set_pixel      (GimpRGB       *rgba,
+                                    const Babl    *format,
+                                    gconstpointer  pixel);
+void      gimp_rgba_get_pixel      (const GimpRGB *rgba,
+                                    const Babl    *format,
+                                    gpointer       pixel);
+
+void      gimp_rgba_set_uchar      (GimpRGB       *rgba,
+                                    guchar         red,
+                                    guchar         green,
+                                    guchar         blue,
+                                    guchar         alpha);
+void      gimp_rgba_get_uchar      (const GimpRGB *rgba,
+                                    guchar        *red,
+                                    guchar        *green,
+                                    guchar        *blue,
+                                    guchar        *alpha);
+
+gboolean  gimp_rgba_parse_css      (GimpRGB       *rgba,
+                                    const gchar   *css,
+                                    gint           len);
+
+void      gimp_rgba_add            (GimpRGB       *rgba1,
+                                    const GimpRGB *rgba2);
+void      gimp_rgba_subtract       (GimpRGB       *rgba1,
+                                    const GimpRGB *rgba2);
+void      gimp_rgba_multiply       (GimpRGB       *rgba,
+                                    gdouble        factor);
+
+gdouble   gimp_rgba_distance       (const GimpRGB *rgba1,
+                                    const GimpRGB *rgba2);
+
+
+
+/*  Map D50-adapted sRGB to luminance  */
+
+/*
+ * The weights to compute true CIE luminance from linear red, green
+ * and blue as defined by the sRGB color space specs in an ICC profile
+ * color managed application. The weights below have been chromatically
+ * adapted from D65 (as specified by the sRGB color space specs)
+ * to D50 (as specified by D50 illuminant values in the ICC V4 specs).
+ */
+
+#define GIMP_RGB_LUMINANCE_RED    (0.22248840)
+#define GIMP_RGB_LUMINANCE_GREEN  (0.71690369)
+#define GIMP_RGB_LUMINANCE_BLUE   (0.06060791)
+
+#define GIMP_RGB_LUMINANCE(r,g,b) ((r) * GIMP_RGB_LUMINANCE_RED   + \
+                                   (g) * GIMP_RGB_LUMINANCE_GREEN + \
+                                   (b) * GIMP_RGB_LUMINANCE_BLUE)
+
+
+#ifndef GIMP_DISABLE_DEPRECATED
+
+/*
+ * The coefficients below properly computed luminance for monitors
+ * having phosphors that were contemporary at the introduction of NTSC
+ * television in 1953. They are still appropriate for computing video
+ * luma. However, these coefficients do not accurately compute
+ * luminance for contemporary monitors. The use of these definitions
+ * is deprecated.
+ */
+
+#define GIMP_RGB_INTENSITY_RED    (0.30)
+#define GIMP_RGB_INTENSITY_GREEN  (0.59)
+#define GIMP_RGB_INTENSITY_BLUE   (0.11)
+
+#define GIMP_RGB_INTENSITY(r,g,b) ((r) * GIMP_RGB_INTENSITY_RED   + \
+                                   (g) * GIMP_RGB_INTENSITY_GREEN + \
+                                   (b) * GIMP_RGB_INTENSITY_BLUE)
+
+#endif
+
+
+G_END_DECLS
+
+#endif  /* __GIMP_RGB_H__ */