mirror of https://github.com/GNOME/gimp.git
484 lines
16 KiB
C
484 lines
16 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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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.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* 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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*/
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#include "config.h"
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#include <string.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 "tools-types.h"
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#include "base/color-balance.h"
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#include "gegl/gimpcolorbalanceconfig.h"
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#include "core/gimpdrawable.h"
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#include "core/gimperror.h"
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#include "core/gimpimage.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "gimpcolorbalancetool.h"
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#include "gimpimagemapoptions.h"
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#include "gimp-intl.h"
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/* local function prototypes */
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static void gimp_color_balance_tool_finalize (GObject *object);
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static gboolean gimp_color_balance_tool_initialize (GimpTool *tool,
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GimpDisplay *display,
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GError **error);
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static GeglNode * gimp_color_balance_tool_get_operation (GimpImageMapTool *im_tool,
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GObject **config);
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static void gimp_color_balance_tool_map (GimpImageMapTool *im_tool);
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static void gimp_color_balance_tool_dialog (GimpImageMapTool *im_tool);
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static void gimp_color_balance_tool_reset (GimpImageMapTool *im_tool);
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static void color_balance_config_notify (GObject *object,
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GParamSpec *pspec,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_range_callback (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_range_reset_callback (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_preserve_toggled (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_cr_changed (GtkAdjustment *adj,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_mg_changed (GtkAdjustment *adj,
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GimpColorBalanceTool *cb_tool);
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static void color_balance_yb_changed (GtkAdjustment *adj,
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GimpColorBalanceTool *cb_tool);
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G_DEFINE_TYPE (GimpColorBalanceTool, gimp_color_balance_tool,
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GIMP_TYPE_IMAGE_MAP_TOOL)
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#define parent_class gimp_color_balance_tool_parent_class
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void
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gimp_color_balance_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_COLOR_BALANCE_TOOL,
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GIMP_TYPE_IMAGE_MAP_OPTIONS, NULL,
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0,
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"gimp-color-balance-tool",
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_("Color Balance"),
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_("Color Balance Tool: Adjust color distribution"),
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N_("Color _Balance..."), NULL,
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NULL, GIMP_HELP_TOOL_COLOR_BALANCE,
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GIMP_STOCK_TOOL_COLOR_BALANCE,
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data);
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}
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static void
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gimp_color_balance_tool_class_init (GimpColorBalanceToolClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
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GimpImageMapToolClass *im_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
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object_class->finalize = gimp_color_balance_tool_finalize;
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tool_class->initialize = gimp_color_balance_tool_initialize;
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im_tool_class->dialog_desc = _("Adjust Color Balance");
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im_tool_class->settings_name = "color-balance";
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im_tool_class->import_dialog_title = _("Import Color Balance Settings");
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im_tool_class->export_dialog_title = _("Export Color Balance Settings");
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im_tool_class->get_operation = gimp_color_balance_tool_get_operation;
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im_tool_class->map = gimp_color_balance_tool_map;
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im_tool_class->dialog = gimp_color_balance_tool_dialog;
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im_tool_class->reset = gimp_color_balance_tool_reset;
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}
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static void
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gimp_color_balance_tool_init (GimpColorBalanceTool *cb_tool)
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{
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GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (cb_tool);
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cb_tool->color_balance = g_slice_new0 (ColorBalance);
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color_balance_init (cb_tool->color_balance);
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im_tool->apply_func = (GimpImageMapApplyFunc) color_balance;
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im_tool->apply_data = cb_tool->color_balance;
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}
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static void
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gimp_color_balance_tool_finalize (GObject *object)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (object);
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g_slice_free (ColorBalance, cb_tool->color_balance);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gimp_color_balance_tool_initialize (GimpTool *tool,
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GimpDisplay *display,
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GError **error)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (tool);
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GimpImage *image = gimp_display_get_image (display);
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GimpDrawable *drawable = gimp_image_get_active_drawable (image);
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if (! drawable)
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return FALSE;
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if (! gimp_drawable_is_rgb (drawable))
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{
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g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
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_("Color Balance operates only on RGB color layers."));
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return FALSE;
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}
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gimp_config_reset (GIMP_CONFIG (cb_tool->config));
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return GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);
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}
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static GeglNode *
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gimp_color_balance_tool_get_operation (GimpImageMapTool *im_tool,
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GObject **config)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (im_tool);
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GeglNode *node;
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node = g_object_new (GEGL_TYPE_NODE,
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"operation", "gimp:color-balance",
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NULL);
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cb_tool->config = g_object_new (GIMP_TYPE_COLOR_BALANCE_CONFIG, NULL);
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*config = G_OBJECT (cb_tool->config);
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g_signal_connect_object (cb_tool->config, "notify",
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G_CALLBACK (color_balance_config_notify),
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G_OBJECT (cb_tool), 0);
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gegl_node_set (node,
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"config", cb_tool->config,
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NULL);
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return node;
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}
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static void
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gimp_color_balance_tool_map (GimpImageMapTool *image_map_tool)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (image_map_tool);
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gimp_color_balance_config_to_cruft (cb_tool->config, cb_tool->color_balance);
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}
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/**************************/
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/* Color Balance dialog */
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/**************************/
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static GtkAdjustment *
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create_levels_scale (gdouble value,
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const gchar *left,
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const gchar *right,
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GtkWidget *table,
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gint col)
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{
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GtkWidget *label;
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GtkWidget *slider;
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GtkWidget *spinbutton;
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GtkAdjustment *adj;
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label = gtk_label_new (left);
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, col, col + 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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spinbutton = gimp_spin_button_new ((GtkObject **) &adj,
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value, -100.0, 100.0,
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1.0, 10.0, 0.0, 1.0, 0);
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slider = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, adj);
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gtk_scale_set_draw_value (GTK_SCALE (slider), FALSE);
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gtk_widget_set_size_request (slider, 100, -1);
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gtk_table_attach_defaults (GTK_TABLE (table), slider, 1, 2, col, col + 1);
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gtk_widget_show (slider);
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label = gtk_label_new (right);
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_table_attach (GTK_TABLE (table), label, 2, 3, col, col + 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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gtk_table_attach (GTK_TABLE (table), spinbutton, 3, 4, col, col + 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (spinbutton);
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return adj;
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}
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static void
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gimp_color_balance_tool_dialog (GimpImageMapTool *image_map_tool)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (image_map_tool);
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GimpColorBalanceConfig *config = cb_tool->config;
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GtkWidget *main_vbox;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *table;
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GtkWidget *button;
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GtkWidget *frame;
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main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool);
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frame = gimp_enum_radio_frame_new (GIMP_TYPE_TRANSFER_MODE,
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gtk_label_new (_("Select Range to Adjust")),
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G_CALLBACK (color_balance_range_callback),
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cb_tool,
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&cb_tool->range_radio);
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gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (cb_tool->range_radio),
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config->range);
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gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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frame = gimp_frame_new (_("Adjust Color Levels"));
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gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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gtk_widget_show (vbox);
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/* The table containing sliders */
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table = gtk_table_new (3, 4, FALSE);
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gtk_table_set_col_spacings (GTK_TABLE (table), 4);
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gtk_table_set_row_spacings (GTK_TABLE (table), 2);
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gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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cb_tool->cyan_red_adj =
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create_levels_scale (config->cyan_red[config->range] * 100.0,
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_("Cyan"), _("Red"),
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table, 0);
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g_signal_connect (cb_tool->cyan_red_adj, "value-changed",
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G_CALLBACK (color_balance_cr_changed),
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cb_tool);
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cb_tool->magenta_green_adj =
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create_levels_scale (config->magenta_green[config->range] * 100.0,
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_("Magenta"), _("Green"),
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table, 1);
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g_signal_connect (cb_tool->magenta_green_adj, "value-changed",
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G_CALLBACK (color_balance_mg_changed),
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cb_tool);
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cb_tool->yellow_blue_adj =
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create_levels_scale (config->yellow_blue[config->range] * 100.0,
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_("Yellow"), _("Blue"),
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table, 2);
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g_signal_connect (cb_tool->yellow_blue_adj, "value-changed",
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G_CALLBACK (color_balance_yb_changed),
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cb_tool);
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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);
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gtk_widget_show (hbox);
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button = gtk_button_new_with_mnemonic (_("R_eset Range"));
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gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
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gtk_widget_show (button);
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g_signal_connect (button, "clicked",
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G_CALLBACK (color_balance_range_reset_callback),
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cb_tool);
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cb_tool->preserve_toggle =
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gtk_check_button_new_with_mnemonic (_("Preserve _luminosity"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (cb_tool->preserve_toggle),
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config->preserve_luminosity);
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gtk_box_pack_end (GTK_BOX (main_vbox), cb_tool->preserve_toggle,
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FALSE, FALSE, 0);
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gtk_widget_show (cb_tool->preserve_toggle);
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g_signal_connect (cb_tool->preserve_toggle, "toggled",
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G_CALLBACK (color_balance_preserve_toggled),
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cb_tool);
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}
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static void
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gimp_color_balance_tool_reset (GimpImageMapTool *im_tool)
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{
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GimpColorBalanceTool *cb_tool = GIMP_COLOR_BALANCE_TOOL (im_tool);
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GimpTransferMode range = cb_tool->config->range;
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g_object_freeze_notify (im_tool->config);
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if (im_tool->default_config)
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{
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gimp_config_copy (GIMP_CONFIG (im_tool->default_config),
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GIMP_CONFIG (im_tool->config),
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0);
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}
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else
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{
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gimp_config_reset (GIMP_CONFIG (im_tool->config));
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}
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g_object_set (cb_tool->config,
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"range", range,
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NULL);
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g_object_thaw_notify (im_tool->config);
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}
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static void
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color_balance_config_notify (GObject *object,
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GParamSpec *pspec,
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GimpColorBalanceTool *cb_tool)
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{
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GimpColorBalanceConfig *config = GIMP_COLOR_BALANCE_CONFIG (object);
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if (! cb_tool->cyan_red_adj)
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return;
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if (! strcmp (pspec->name, "range"))
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{
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gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (cb_tool->range_radio),
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config->range);
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}
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else if (! strcmp (pspec->name, "cyan-red"))
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{
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gtk_adjustment_set_value (cb_tool->cyan_red_adj,
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config->cyan_red[config->range] * 100.0);
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}
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else if (! strcmp (pspec->name, "magenta-green"))
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{
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gtk_adjustment_set_value (cb_tool->magenta_green_adj,
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config->magenta_green[config->range] * 100.0);
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}
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else if (! strcmp (pspec->name, "yellow-blue"))
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{
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gtk_adjustment_set_value (cb_tool->yellow_blue_adj,
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config->yellow_blue[config->range] * 100.0);
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}
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else if (! strcmp (pspec->name, "preserve-luminosity"))
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{
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (cb_tool->preserve_toggle),
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config->preserve_luminosity);
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}
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (cb_tool));
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}
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static void
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color_balance_range_callback (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool)
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{
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
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{
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GimpTransferMode range;
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gimp_radio_button_update (widget, &range);
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g_object_set (cb_tool->config,
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"range", range,
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NULL);
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}
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}
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static void
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color_balance_range_reset_callback (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool)
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{
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gimp_color_balance_config_reset_range (cb_tool->config);
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}
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static void
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color_balance_preserve_toggled (GtkWidget *widget,
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GimpColorBalanceTool *cb_tool)
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{
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gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
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if (cb_tool->config->preserve_luminosity != active)
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{
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g_object_set (cb_tool->config,
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"preserve-luminosity", active,
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NULL);
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}
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}
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static void
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color_balance_cr_changed (GtkAdjustment *adjustment,
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GimpColorBalanceTool *cb_tool)
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{
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gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
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if (cb_tool->config->cyan_red[cb_tool->config->range] != value)
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{
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g_object_set (cb_tool->config,
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"cyan-red", value,
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NULL);
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}
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}
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static void
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color_balance_mg_changed (GtkAdjustment *adjustment,
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GimpColorBalanceTool *cb_tool)
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{
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gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
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if (cb_tool->config->magenta_green[cb_tool->config->range] != value)
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{
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g_object_set (cb_tool->config,
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"magenta-green", value,
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NULL);
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}
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}
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static void
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color_balance_yb_changed (GtkAdjustment *adjustment,
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GimpColorBalanceTool *cb_tool)
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{
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gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
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if (cb_tool->config->yellow_blue[cb_tool->config->range] != value)
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{
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g_object_set (cb_tool->config,
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"yellow-blue", value,
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NULL);
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}
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}
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