Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 421 insertions, 0 deletions

diff --git a/modules/color-selector-cmyk.c b/modules/color-selector-cmyk.c
new file mode 100644
index 0000000..7fba514
--- /dev/null
+++ b/modules/color-selector-cmyk.c
@@ -0,0 +1,421 @@
+/* GIMP CMYK ColorSelector using littleCMS
+ * Copyright (C) 2006  Sven Neumann <sven@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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpmodule/gimpmodule.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/* definitions and variables */
+
+#define COLORSEL_TYPE_CMYK            (colorsel_cmyk_get_type ())
+#define COLORSEL_CMYK(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), COLORSEL_TYPE_CMYK, ColorselCmyk))
+#define COLORSEL_CMYK_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), COLORSEL_TYPE_CMYK, ColorselCmykClass))
+#define COLORSEL_IS_CMYK(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COLORSEL_TYPE_CMYK))
+#define COLORSEL_IS_CMYK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COLORSEL_TYPE_CMYK))
+
+
+typedef struct _ColorselCmyk      ColorselCmyk;
+typedef struct _ColorselCmykClass ColorselCmykClass;
+
+struct _ColorselCmyk
+{
+  GimpColorSelector   parent_instance;
+
+  GimpColorConfig    *config;
+  GimpColorTransform *rgb2cmyk;
+  GimpColorTransform *cmyk2rgb;
+
+  GimpCMYK            cmyk;
+  GtkAdjustment      *adj[4];
+  GtkWidget          *name_label;
+
+  gboolean            in_destruction;
+};
+
+struct _ColorselCmykClass
+{
+  GimpColorSelectorClass  parent_class;
+};
+
+
+static GType  colorsel_cmyk_get_type       (void);
+
+static void   colorsel_cmyk_dispose        (GObject           *object);
+
+static void   colorsel_cmyk_set_color      (GimpColorSelector *selector,
+                                            const GimpRGB     *rgb,
+                                            const GimpHSV     *hsv);
+static void   colorsel_cmyk_set_config     (GimpColorSelector *selector,
+                                            GimpColorConfig   *config);
+
+static void   colorsel_cmyk_adj_update     (GtkAdjustment     *adj,
+                                            ColorselCmyk      *module);
+static void   colorsel_cmyk_config_changed (ColorselCmyk      *module);
+
+
+static const GimpModuleInfo colorsel_cmyk_info =
+{
+  GIMP_MODULE_ABI_VERSION,
+  N_("CMYK color selector (using color profile)"),
+  "Sven Neumann <sven@gimp.org>",
+  "v0.1",
+  "(c) 2006, released under the GPL",
+  "September 2006"
+};
+
+
+G_DEFINE_DYNAMIC_TYPE (ColorselCmyk, colorsel_cmyk,
+                       GIMP_TYPE_COLOR_SELECTOR)
+
+
+G_MODULE_EXPORT const GimpModuleInfo *
+gimp_module_query (GTypeModule *module)
+{
+  return &colorsel_cmyk_info;
+}
+
+G_MODULE_EXPORT gboolean
+gimp_module_register (GTypeModule *module)
+{
+  colorsel_cmyk_register_type (module);
+
+  return TRUE;
+}
+
+static void
+colorsel_cmyk_class_init (ColorselCmykClass *klass)
+{
+  GObjectClass           *object_class   = G_OBJECT_CLASS (klass);
+  GimpColorSelectorClass *selector_class = GIMP_COLOR_SELECTOR_CLASS (klass);
+
+  object_class->dispose      = colorsel_cmyk_dispose;
+
+  selector_class->name       = _("CMYK");
+  selector_class->help_id    = "gimp-colorselector-cmyk";
+  selector_class->icon_name  = GIMP_ICON_COLOR_SELECTOR_CMYK;
+  selector_class->set_color  = colorsel_cmyk_set_color;
+  selector_class->set_config = colorsel_cmyk_set_config;
+}
+
+static void
+colorsel_cmyk_class_finalize (ColorselCmykClass *klass)
+{
+}
+
+static void
+colorsel_cmyk_init (ColorselCmyk *module)
+{
+  GtkWidget *table;
+  GtkObject *adj;
+  gint       i;
+
+  static const gchar * const cmyk_labels[] =
+  {
+    /* Cyan        */
+    N_("_C"),
+    /* Magenta     */
+    N_("_M"),
+    /* Yellow      */
+    N_("_Y"),
+    /* Key (Black) */
+    N_("_K")
+  };
+  static const gchar * const cmyk_tips[] =
+  {
+    N_("Cyan"),
+    N_("Magenta"),
+    N_("Yellow"),
+    N_("Black")
+  };
+
+  module->config   = NULL;
+  module->rgb2cmyk = NULL;
+  module->cmyk2rgb = NULL;
+
+  gtk_box_set_spacing (GTK_BOX (module), 6);
+
+  table = gtk_table_new (4, 4, FALSE);
+
+  gtk_table_set_row_spacings (GTK_TABLE (table), 1);
+  gtk_table_set_col_spacings (GTK_TABLE (table), 2);
+  gtk_table_set_col_spacing (GTK_TABLE (table), 0, 0);
+
+  gtk_box_pack_start (GTK_BOX (module), table, FALSE, FALSE, 0);
+  gtk_widget_show (table);
+
+  for (i = 0; i < 4; i++)
+    {
+      adj = gimp_scale_entry_new (GTK_TABLE (table), 1, i,
+                                  gettext (cmyk_labels[i]),
+                                  -1, -1,
+                                  0.0,
+                                  0.0, 100.0,
+                                  1.0, 10.0,
+                                  0,
+                                  TRUE, 0.0, 0.0,
+                                  gettext (cmyk_tips[i]),
+                                  NULL);
+
+      g_signal_connect (adj, "value-changed",
+                        G_CALLBACK (colorsel_cmyk_adj_update),
+                        module);
+
+      module->adj[i] = GTK_ADJUSTMENT (adj);
+    }
+
+  module->name_label = gtk_label_new (NULL);
+  gtk_label_set_xalign (GTK_LABEL (module->name_label), 0.0);
+  gtk_label_set_ellipsize (GTK_LABEL (module->name_label), PANGO_ELLIPSIZE_END);
+  gimp_label_set_attributes (GTK_LABEL (module->name_label),
+                             PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
+                             -1);
+  gtk_box_pack_start (GTK_BOX (module), module->name_label, FALSE, FALSE, 0);
+  gtk_widget_show (module->name_label);
+}
+
+static void
+colorsel_cmyk_dispose (GObject *object)
+{
+  ColorselCmyk *module = COLORSEL_CMYK (object);
+
+  module->in_destruction = TRUE;
+
+  colorsel_cmyk_set_config (GIMP_COLOR_SELECTOR (object), NULL);
+
+  G_OBJECT_CLASS (colorsel_cmyk_parent_class)->dispose (object);
+}
+
+static void
+colorsel_cmyk_set_color (GimpColorSelector *selector,
+                         const GimpRGB     *rgb,
+                         const GimpHSV     *hsv)
+{
+  ColorselCmyk *module = COLORSEL_CMYK (selector);
+  gdouble       values[4];
+  gint          i;
+
+  if (module->rgb2cmyk)
+    {
+      gdouble rgb_values[3];
+      gdouble cmyk_values[4];
+
+      rgb_values[0] = rgb->r;
+      rgb_values[1] = rgb->g;
+      rgb_values[2] = rgb->b;
+
+      gimp_color_transform_process_pixels (module->rgb2cmyk,
+                                           babl_format ("R'G'B' double"),
+                                           rgb_values,
+                                           babl_format ("CMYK double"),
+                                           cmyk_values,
+                                           1);
+
+      module->cmyk.c = cmyk_values[0] / 100.0;
+      module->cmyk.m = cmyk_values[1] / 100.0;
+      module->cmyk.y = cmyk_values[2] / 100.0;
+      module->cmyk.k = cmyk_values[3] / 100.0;
+    }
+  else
+    {
+      gimp_rgb_to_cmyk (rgb, 1.0, &module->cmyk);
+    }
+
+  values[0] = module->cmyk.c * 100.0;
+  values[1] = module->cmyk.m * 100.0;
+  values[2] = module->cmyk.y * 100.0;
+  values[3] = module->cmyk.k * 100.0;
+
+  for (i = 0; i < 4; i++)
+    {
+      g_signal_handlers_block_by_func (module->adj[i],
+                                       colorsel_cmyk_adj_update,
+                                       module);
+
+      gtk_adjustment_set_value (module->adj[i], values[i]);
+
+      g_signal_handlers_unblock_by_func (module->adj[i],
+                                         colorsel_cmyk_adj_update,
+                                         module);
+    }
+}
+
+static void
+colorsel_cmyk_set_config (GimpColorSelector *selector,
+                          GimpColorConfig   *config)
+{
+  ColorselCmyk *module = COLORSEL_CMYK (selector);
+
+  if (config != module->config)
+    {
+      if (module->config)
+        g_signal_handlers_disconnect_by_func (module->config,
+                                              colorsel_cmyk_config_changed,
+                                              module);
+
+      g_set_object (&module->config, config);
+
+      if (module->config)
+        g_signal_connect_swapped (module->config, "notify",
+                                  G_CALLBACK (colorsel_cmyk_config_changed),
+                                  module);
+
+      colorsel_cmyk_config_changed (module);
+    }
+}
+
+static void
+colorsel_cmyk_adj_update (GtkAdjustment *adj,
+                          ColorselCmyk  *module)
+{
+  GimpColorSelector *selector = GIMP_COLOR_SELECTOR (module);
+  gint               i;
+  gdouble            value;
+
+  for (i = 0; i < 4; i++)
+    if (module->adj[i] == adj)
+      break;
+
+  value = gtk_adjustment_get_value (adj) / 100.0;
+
+  switch (i)
+    {
+    case 0:
+      module->cmyk.c = value;
+      break;
+    case 1:
+      module->cmyk.m = value;
+      break;
+    case 2:
+      module->cmyk.y = value;
+      break;
+    case 3:
+      module->cmyk.k = value;
+      break;
+    default:
+      return;
+    }
+
+  if (module->cmyk2rgb)
+    {
+      gdouble cmyk_values[4];
+      gdouble rgb_values[3];
+
+      cmyk_values[0] = module->cmyk.c * 100.0;
+      cmyk_values[1] = module->cmyk.m * 100.0;
+      cmyk_values[2] = module->cmyk.y * 100.0;
+      cmyk_values[3] = module->cmyk.k * 100.0;
+
+      gimp_color_transform_process_pixels (module->cmyk2rgb,
+                                           babl_format ("CMYK double"),
+                                           cmyk_values,
+                                           babl_format ("R'G'B' double"),
+                                           rgb_values,
+                                           1);
+
+      selector->rgb.r = rgb_values[0];
+      selector->rgb.g = rgb_values[1];
+      selector->rgb.b = rgb_values[2];
+    }
+  else
+    {
+      gimp_cmyk_to_rgb (&module->cmyk, &selector->rgb);
+    }
+
+  gimp_rgb_to_hsv (&selector->rgb, &selector->hsv);
+
+  gimp_color_selector_color_changed (selector);
+}
+
+static void
+colorsel_cmyk_config_changed (ColorselCmyk *module)
+{
+  GimpColorSelector       *selector     = GIMP_COLOR_SELECTOR (module);
+  GimpColorConfig         *config       = module->config;
+  GimpColorTransformFlags  flags        = 0;
+  GimpColorProfile        *rgb_profile  = NULL;
+  GimpColorProfile        *cmyk_profile = NULL;
+  gchar                   *text;
+
+  if (module->rgb2cmyk)
+    {
+      g_object_unref (module->rgb2cmyk);
+      module->rgb2cmyk = NULL;
+    }
+
+  if (module->cmyk2rgb)
+    {
+      g_object_unref (module->cmyk2rgb);
+      module->cmyk2rgb = NULL;
+    }
+
+  gtk_label_set_text (GTK_LABEL (module->name_label), _("Profile: (none)"));
+  gimp_help_set_help_data (module->name_label, NULL, NULL);
+
+  if (! config)
+    goto out;
+
+  cmyk_profile = gimp_color_config_get_cmyk_color_profile (config, NULL);
+  if (! cmyk_profile)
+    goto out;
+
+  rgb_profile = gimp_color_profile_new_rgb_srgb ();
+
+  text = g_strdup_printf (_("Profile: %s"),
+                          gimp_color_profile_get_label (cmyk_profile));
+  gtk_label_set_text (GTK_LABEL (module->name_label), text);
+  g_free (text);
+
+  gimp_help_set_help_data (module->name_label,
+                           gimp_color_profile_get_summary (cmyk_profile),
+                           NULL);
+
+  flags |= GIMP_COLOR_TRANSFORM_FLAGS_NOOPTIMIZE;
+  flags |= GIMP_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
+
+  module->rgb2cmyk = gimp_color_transform_new (rgb_profile,
+                                               babl_format ("R'G'B' double"),
+                                               cmyk_profile,
+                                               babl_format ("CMYK double"),
+                                               GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
+                                               flags);
+  module->cmyk2rgb = gimp_color_transform_new (cmyk_profile,
+                                               babl_format ("CMYK double"),
+                                               rgb_profile,
+                                               babl_format ("R'G'B' double"),
+                                               GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
+                                               flags);
+
+ out:
+
+  if (rgb_profile)
+    g_object_unref (rgb_profile);
+
+  if (cmyk_profile)
+    g_object_unref (cmyk_profile);
+
+  if (! module->in_destruction)
+    colorsel_cmyk_set_color (selector, &selector->rgb, &selector->hsv);
+}