stroke-dialog.c 9.28 KB
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/* GIMP - The GNU Image Manipulation Program
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 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * Copyright (C) 2003  Henrik Brix Andersen <brix@gimp.org>
 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 3 of the License, or
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 * (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
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */

#include "config.h"

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#include <gegl.h>
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#include <gtk/gtk.h>

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#include "libgimpconfig/gimpconfig.h"
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#include "libgimpwidgets/gimpwidgets.h"

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#include "dialogs-types.h"
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#include "core/gimp.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
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#include "core/gimppaintinfo.h"
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#include "core/gimpstrokeoptions.h"
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#include "core/gimptoolinfo.h"
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#include "widgets/gimpcontainercombobox.h"
#include "widgets/gimpcontainerview.h"
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#include "widgets/gimpviewabledialog.h"
#include "widgets/gimpstrokeeditor.h"

#include "stroke-dialog.h"

#include "gimp-intl.h"


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#define RESPONSE_RESET 1


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typedef struct _StrokeDialog StrokeDialog;

struct _StrokeDialog
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{
  GimpItem           *item;
  GimpDrawable       *drawable;
  GimpContext        *context;
  GimpStrokeOptions  *options;
  GimpStrokeCallback  callback;
  gpointer            user_data;

  GtkWidget          *tool_combo;
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};
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/*  local function prototypes  */
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static void  stroke_dialog_free     (StrokeDialog *private);
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static void  stroke_dialog_response (GtkWidget    *dialog,
                                     gint          response_id,
                                     StrokeDialog *private);
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/*  public function  */

GtkWidget *
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stroke_dialog_new (GimpItem           *item,
                   GimpDrawable       *drawable,
                   GimpContext        *context,
                   const gchar        *title,
                   const gchar        *icon_name,
                   const gchar        *help_id,
                   GtkWidget          *parent,
                   GimpStrokeOptions  *options,
                   GimpStrokeCallback  callback,
                   gpointer            user_data)
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{
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  StrokeDialog *private;
  GimpImage    *image;
  GtkWidget    *dialog;
  GtkWidget    *main_vbox;
  GtkWidget    *radio_box;
  GtkWidget    *cairo_radio;
  GtkWidget    *paint_radio;
  GSList       *group;
  GtkWidget    *frame;
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  g_return_val_if_fail (GIMP_IS_ITEM (item), NULL);
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  g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
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  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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  g_return_val_if_fail (icon_name != NULL, NULL);
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  g_return_val_if_fail (help_id != NULL, NULL);
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  g_return_val_if_fail (parent == NULL || GTK_IS_WIDGET (parent), NULL);
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  g_return_val_if_fail (callback != NULL, NULL);
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  image = gimp_item_get_image (item);
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  private = g_slice_new0 (StrokeDialog);
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  private->item      = item;
  private->drawable  = drawable;
  private->context   = context;
  private->options   = gimp_stroke_options_new (context->gimp, context, TRUE);
  private->callback  = callback;
  private->user_data = user_data;
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  gimp_config_sync (G_OBJECT (options),
                    G_OBJECT (private->options), 0);
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  dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (item), context,
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                                     title, "gimp-stroke-options",
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                                     icon_name,
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                                     _("Choose Stroke Style"),
                                     parent,
                                     gimp_standard_help_func,
                                     help_id,

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                                     _("_Reset"),  RESPONSE_RESET,
                                     _("_Cancel"), GTK_RESPONSE_CANCEL,
                                     _("_Stroke"), GTK_RESPONSE_OK,
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                                     NULL);
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  gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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                                           RESPONSE_RESET,
                                           GTK_RESPONSE_OK,
                                           GTK_RESPONSE_CANCEL,
                                           -1);

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  gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);

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  g_object_weak_ref (G_OBJECT (dialog),
                     (GWeakNotify) stroke_dialog_free, private);

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  g_signal_connect (dialog, "response",
                    G_CALLBACK (stroke_dialog_response),
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                    private);
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  main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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  gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
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  gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
                      main_vbox, TRUE, TRUE, 0);
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  gtk_widget_show (main_vbox);

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  radio_box = gimp_prop_enum_radio_box_new (G_OBJECT (private->options),
                                            "method", -1, -1);
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  group = gtk_radio_button_get_group (g_object_get_data (G_OBJECT (radio_box),
                                                         "radio-button"));

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  cairo_radio = g_object_ref (group->next->data);
  gtk_container_remove (GTK_CONTAINER (radio_box), cairo_radio);
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  paint_radio = g_object_ref (group->data);
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  gtk_container_remove (GTK_CONTAINER (radio_box), paint_radio);

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  g_object_ref_sink (radio_box);
  g_object_unref (radio_box);
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  {
    PangoFontDescription *font_desc;

    font_desc = pango_font_description_new ();
    pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);

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    gtk_widget_override_font (gtk_bin_get_child (GTK_BIN (cairo_radio)),
                              font_desc);
    gtk_widget_override_font (gtk_bin_get_child (GTK_BIN (paint_radio)),
                              font_desc);
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    pango_font_description_free (font_desc);
  }

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  /*  the stroke frame  */

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  frame = gimp_frame_new (NULL);
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  gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
  gtk_widget_show (frame);

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  gtk_frame_set_label_widget (GTK_FRAME (frame), cairo_radio);
  g_object_unref (cairo_radio);
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  {
    GtkWidget *stroke_editor;
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    gdouble    xres;
    gdouble    yres;
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    gimp_image_get_resolution (image, &xres, &yres);

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    stroke_editor = gimp_stroke_editor_new (private->options, yres, FALSE);
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    gtk_container_add (GTK_CONTAINER (frame), stroke_editor);
    gtk_widget_show (stroke_editor);

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    g_object_bind_property (cairo_radio,   "active",
                            stroke_editor, "sensitive",
                            G_BINDING_SYNC_CREATE);
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  }
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  /*  the paint tool frame  */

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  frame = gimp_frame_new (NULL);
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  gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
  gtk_widget_show (frame);
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  gtk_frame_set_label_widget (GTK_FRAME (frame), paint_radio);
  g_object_unref (paint_radio);
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  {
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    GtkWidget *vbox;
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    GtkWidget *hbox;
    GtkWidget *label;
    GtkWidget *combo;
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    GtkWidget *button;
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    vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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    gtk_container_add (GTK_CONTAINER (frame), vbox);
    gtk_widget_show (vbox);
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    g_object_bind_property (paint_radio, "active",
                            vbox,        "sensitive",
                            G_BINDING_SYNC_CREATE);
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    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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    gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
    gtk_widget_show (hbox);
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    label = gtk_label_new (_("Paint tool:"));
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    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);

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    combo = gimp_container_combo_box_new (image->gimp->paint_info_list,
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                                          GIMP_CONTEXT (private->options),
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                                          16, 0);
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    gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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    gtk_widget_show (combo);
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    private->tool_combo = combo;
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    button = gimp_prop_check_button_new (G_OBJECT (private->options),
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                                         "emulate-brush-dynamics",
                                         _("_Emulate brush dynamics"));
    gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
    gtk_widget_show (button);
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  }
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  return dialog;
}


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/*  private functions  */
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static void
stroke_dialog_free (StrokeDialog *private)
{
  g_object_unref (private->options);

  g_slice_free (StrokeDialog, private);
}

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static void
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stroke_dialog_response (GtkWidget    *dialog,
                        gint          response_id,
                        StrokeDialog *private)
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{
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  switch (response_id)
    {
    case RESPONSE_RESET:
      {
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        GimpToolInfo *tool_info = gimp_context_get_tool (private->context);
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        gimp_config_reset (GIMP_CONFIG (private->options));
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        gimp_container_view_select_item (GIMP_CONTAINER_VIEW (private->tool_combo),
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                                         GIMP_VIEWABLE (tool_info->paint_info));
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      }
      break;
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    case GTK_RESPONSE_OK:
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      private->callback (dialog,
                         private->item,
                         private->drawable,
                         private->context,
                         private->options,
                         private->user_data);
      break;
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    default:
      gtk_widget_destroy (dialog);
      break;
    }
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}