Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 342 insertions, 0 deletions

diff --git a/app/dialogs/convert-precision-dialog.c b/app/dialogs/convert-precision-dialog.c
new file mode 100644
index 0000000..180106b
--- /dev/null
+++ b/app/dialogs/convert-precision-dialog.c
@@ -0,0 +1,342 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "dialogs-types.h"
+
+#include "gegl/gimp-babl.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpviewabledialog.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "convert-precision-dialog.h"
+
+#include "gimp-intl.h"
+
+
+typedef struct _ConvertDialog ConvertDialog;
+
+struct _ConvertDialog
+{
+  GimpImage                    *image;
+  GimpComponentType             component_type;
+  gboolean                      linear;
+  GeglDitherMethod              layer_dither_method;
+  GeglDitherMethod              text_layer_dither_method;
+  GeglDitherMethod              channel_dither_method;
+  GimpConvertPrecisionCallback  callback;
+  gpointer                      user_data;
+};
+
+
+/*  local function prototypes  */
+
+static void   convert_precision_dialog_free     (ConvertDialog    *private);
+static void   convert_precision_dialog_response (GtkWidget        *widget,
+                                                 gint              response_id,
+                                                 ConvertDialog    *private);
+
+
+/*  public functions  */
+
+GtkWidget *
+convert_precision_dialog_new (GimpImage                    *image,
+                              GimpContext                  *context,
+                              GtkWidget                    *parent,
+                              GimpComponentType             component_type,
+                              GeglDitherMethod              layer_dither_method,
+                              GeglDitherMethod              text_layer_dither_method,
+                              GeglDitherMethod              channel_dither_method,
+                              GimpConvertPrecisionCallback  callback,
+                              gpointer                      user_data)
+
+{
+  ConvertDialog *private;
+  GtkWidget     *dialog;
+  GtkWidget     *main_vbox;
+  GtkWidget     *vbox;
+  GtkWidget     *frame;
+  const gchar   *enum_desc;
+  gchar         *blurb;
+  const Babl    *old_format;
+  const Babl    *new_format;
+  gint           old_bits;
+  gint           new_bits;
+  gboolean       dither;
+  gboolean       linear;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+  g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
+  g_return_val_if_fail (callback != NULL, NULL);
+
+  /* random formats with the right precision */
+  old_format = gimp_image_get_layer_format (image, FALSE);
+  new_format = gimp_babl_format (GIMP_RGB,
+                                 gimp_babl_precision (component_type, FALSE),
+                                 FALSE);
+
+  old_bits = (babl_format_get_bytes_per_pixel (old_format) * 8 /
+              babl_format_get_n_components (old_format));
+  new_bits = (babl_format_get_bytes_per_pixel (new_format) * 8 /
+              babl_format_get_n_components (new_format));
+
+  /*  don't dither if we are converting to a higher bit depth,
+   *  or to more than MAX_DITHER_BITS.
+   */
+  dither = (new_bits <  old_bits &&
+            new_bits <= CONVERT_PRECISION_DIALOG_MAX_DITHER_BITS);
+
+  /* when changing this logic, also change the same switch()
+   * in gimptemplateeditor.h
+   */
+  switch (component_type)
+    {
+    case GIMP_COMPONENT_TYPE_U8:
+      /* default to gamma when converting 8 bit */
+      linear = FALSE;
+      break;
+
+    case GIMP_COMPONENT_TYPE_U16:
+    case GIMP_COMPONENT_TYPE_U32:
+    default:
+      /* leave gamma alone by default when converting to 16/32 bit int */
+      linear = gimp_babl_format_get_linear (old_format);
+      break;
+
+    case GIMP_COMPONENT_TYPE_HALF:
+    case GIMP_COMPONENT_TYPE_FLOAT:
+    case GIMP_COMPONENT_TYPE_DOUBLE:
+      /* default to linear when converting to floating point */
+      linear = TRUE;
+      break;
+    }
+
+  private = g_slice_new0 (ConvertDialog);
+
+  private->image                    = image;
+  private->component_type           = component_type;
+  private->linear                   = linear;
+  private->layer_dither_method      = layer_dither_method;
+  private->text_layer_dither_method = text_layer_dither_method;
+  private->channel_dither_method    = channel_dither_method;
+  private->callback                 = callback;
+  private->user_data                = user_data;
+
+  gimp_enum_get_value (GIMP_TYPE_COMPONENT_TYPE, component_type,
+                       NULL, NULL, &enum_desc, NULL);
+
+  blurb = g_strdup_printf (_("Convert Image to %s"), enum_desc);
+
+  dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
+#if PENDING_TRANSLATION
+                                     _("Encoding Conversion"),
+#endif
+                                     _("Precision Conversion"),
+                                     "gimp-image-convert-precision",
+                                     GIMP_ICON_CONVERT_PRECISION,
+                                     blurb,
+                                     parent,
+                                     gimp_standard_help_func,
+                                     GIMP_HELP_IMAGE_CONVERT_PRECISION,
+
+                                     _("_Cancel"),  GTK_RESPONSE_CANCEL,
+                                     _("C_onvert"), GTK_RESPONSE_OK,
+
+                                     NULL);
+
+  g_free (blurb);
+
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                           GTK_RESPONSE_OK,
+                                           GTK_RESPONSE_CANCEL,
+                                           -1);
+
+  gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+  g_object_weak_ref (G_OBJECT (dialog),
+                     (GWeakNotify) convert_precision_dialog_free, private);
+
+  g_signal_connect (dialog, "response",
+                    G_CALLBACK (convert_precision_dialog_response),
+                    private);
+
+  main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+  gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
+  gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+                      main_vbox, TRUE, TRUE, 0);
+  gtk_widget_show (main_vbox);
+
+
+  /*  gamma  */
+
+  frame = gimp_frame_new (_("Gamma"));
+  gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+  gtk_widget_show (frame);
+
+  vbox = gimp_int_radio_group_new (FALSE, NULL,
+                                   G_CALLBACK (gimp_radio_button_update),
+                                   &private->linear,
+                                   linear,
+
+                                   _("Perceptual gamma (sRGB)"), FALSE, NULL,
+                                   _("Linear light"),            TRUE,  NULL,
+
+                                   NULL);
+  gtk_container_add (GTK_CONTAINER (frame), vbox);
+  gtk_widget_show (vbox);
+
+
+  /*  dithering  */
+
+  if (dither)
+    {
+      GtkWidget    *hbox;
+      GtkWidget    *label;
+      GtkWidget    *combo;
+      GtkSizeGroup *size_group;
+
+      frame = gimp_frame_new (_("Dithering"));
+      gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+      gtk_widget_show (frame);
+
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+      gtk_container_add (GTK_CONTAINER (frame), vbox);
+      gtk_widget_show (vbox);
+
+      size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+
+      /*  layers  */
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      label = gtk_label_new_with_mnemonic (_("_Layers:"));
+      gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+      gtk_size_group_add_widget (size_group, label);
+      gtk_widget_show (label);
+
+      combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
+      gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+      gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+      gtk_widget_show (combo);
+
+      gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+                                  private->layer_dither_method,
+                                  G_CALLBACK (gimp_int_combo_box_get_active),
+                                  &private->layer_dither_method);
+
+      /*  text layers  */
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      label = gtk_label_new_with_mnemonic (_("_Text Layers:"));
+      gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+      gtk_size_group_add_widget (size_group, label);
+      gtk_widget_show (label);
+
+      combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
+      gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+      gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+      gtk_widget_show (combo);
+
+      gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+                                  private->text_layer_dither_method,
+                                  G_CALLBACK (gimp_int_combo_box_get_active),
+                                  &private->text_layer_dither_method);
+
+      gimp_help_set_help_data (combo,
+                               _("Dithering text layers will make them "
+                                 "uneditable"),
+                               NULL);
+
+      /*  channels  */
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      label = gtk_label_new_with_mnemonic (_("_Channels and Masks:"));
+      gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+      gtk_size_group_add_widget (size_group, label);
+      gtk_widget_show (label);
+
+      combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
+      gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+      gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+      gtk_widget_show (combo);
+
+      gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+                                  private->channel_dither_method,
+                                  G_CALLBACK (gimp_int_combo_box_get_active),
+                                  &private->channel_dither_method);
+
+      g_object_unref (size_group);
+    }
+
+  return dialog;
+}
+
+
+/*  private functions  */
+
+static void
+convert_precision_dialog_free (ConvertDialog *private)
+{
+  g_slice_free (ConvertDialog, private);
+}
+
+static void
+convert_precision_dialog_response (GtkWidget     *dialog,
+                                   gint           response_id,
+                                   ConvertDialog *private)
+{
+  if (response_id == GTK_RESPONSE_OK)
+    {
+      GimpPrecision precision = gimp_babl_precision (private->component_type,
+                                                     private->linear);
+
+      private->callback (dialog,
+                         private->image,
+                         precision,
+                         private->layer_dither_method,
+                         private->text_layer_dither_method,
+                         private->channel_dither_method,
+                         private->user_data);
+    }
+  else
+    {
+      gtk_widget_destroy (dialog);
+    }
+}