mirror of https://github.com/GNOME/gimp.git
621 lines
19 KiB
C
621 lines
19 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#ifdef __GNUC__
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#warning GTK_DISABLE_DEPRECATED
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#endif
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#undef GTK_DISABLE_DEPRECATED
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "base/hue-saturation.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpimage.h"
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#include "core/gimpimagemap.h"
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#include "display/gimpdisplay.h"
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#include "gimphuesaturationtool.h"
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#include "tool_manager.h"
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#include "libgimp/gimpintl.h"
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#define HUE_PARTITION_MASK GDK_EXPOSURE_MASK | GDK_ENTER_NOTIFY_MASK
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#define SLIDER_WIDTH 200
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#define DA_WIDTH 40
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#define DA_HEIGHT 20
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#define HUE_PARTITION 0x0
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#define HUE_SLIDER 0x1
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#define LIGHTNESS_SLIDER 0x2
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#define SATURATION_SLIDER 0x4
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#define DRAW 0x40
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#define ALL 0xFF
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/* local function prototypes */
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static void gimp_hue_saturation_tool_class_init (GimpHueSaturationToolClass *klass);
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static void gimp_hue_saturation_tool_init (GimpHueSaturationTool *tool);
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static void gimp_hue_saturation_tool_finalize (GObject *object);
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static void gimp_hue_saturation_tool_initialize (GimpTool *tool,
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GimpDisplay *gdisp);
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static void gimp_hue_saturation_tool_map (GimpImageMapTool *image_map_tool);
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static void gimp_hue_saturation_tool_dialog (GimpImageMapTool *image_map_tool);
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static void gimp_hue_saturation_tool_reset (GimpImageMapTool *image_map_tool);
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static void hue_saturation_update (GimpHueSaturationTool *hs_tool,
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gint update);
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static void hue_saturation_partition_callback (GtkWidget *widget,
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gpointer data);
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static void hue_saturation_hue_adjustment_update (GtkAdjustment *adj,
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gpointer data);
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static void hue_saturation_lightness_adjustment_update (GtkAdjustment *adj,
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gpointer data);
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static void hue_saturation_saturation_adjustment_update (GtkAdjustment *adj,
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gpointer data);
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static gint hue_saturation_hue_partition_events (GtkWidget *widget,
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GdkEvent *event,
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GimpHueSaturationTool *hs_tool);
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/* Local variables */
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static gint default_colors[6][3] =
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{
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{ 255, 0, 0 },
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{ 255, 255, 0 },
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{ 0, 255, 0 },
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{ 0, 255, 255 },
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{ 0, 0, 255 },
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{ 255, 0, 255 }
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};
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static GimpImageMapToolClass *parent_class = NULL;
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/* public functions */
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void
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gimp_hue_saturation_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_HUE_SATURATION_TOOL,
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NULL,
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FALSE,
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"gimp-hue-saturation-tool",
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_("Hue-Saturation"),
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_("Adjust hue and saturation"),
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N_("/Layer/Colors/Hue-Saturation..."), NULL,
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NULL, "tools/hue_saturation.html",
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GIMP_STOCK_TOOL_HUE_SATURATION,
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data);
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}
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GType
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gimp_hue_saturation_tool_get_type (void)
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{
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static GType tool_type = 0;
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if (! tool_type)
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{
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static const GTypeInfo tool_info =
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{
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sizeof (GimpHueSaturationToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_hue_saturation_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpHueSaturationTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_hue_saturation_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_IMAGE_MAP_TOOL,
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"GimpHueSaturationTool",
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&tool_info, 0);
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}
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return tool_type;
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}
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/* private functions */
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static void
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gimp_hue_saturation_tool_class_init (GimpHueSaturationToolClass *klass)
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{
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GObjectClass *object_class;
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GimpToolClass *tool_class;
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GimpImageMapToolClass *image_map_tool_class;
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object_class = G_OBJECT_CLASS (klass);
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tool_class = GIMP_TOOL_CLASS (klass);
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image_map_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gimp_hue_saturation_tool_finalize;
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tool_class->initialize = gimp_hue_saturation_tool_initialize;
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image_map_tool_class->map = gimp_hue_saturation_tool_map;
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image_map_tool_class->dialog = gimp_hue_saturation_tool_dialog;
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image_map_tool_class->reset = gimp_hue_saturation_tool_reset;
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}
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static void
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gimp_hue_saturation_tool_init (GimpHueSaturationTool *hs_tool)
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{
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GimpImageMapTool *image_map_tool;
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image_map_tool = GIMP_IMAGE_MAP_TOOL (hs_tool);
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image_map_tool->shell_title = _("Hue-Saturation");
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image_map_tool->shell_name = "hue_saturation";
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hs_tool->hue_saturation = g_new0 (HueSaturation, 1);
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hs_tool->hue_partition = GIMP_ALL_HUES;
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}
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static void
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gimp_hue_saturation_tool_finalize (GObject *object)
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{
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GimpHueSaturationTool *hs_tool;
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hs_tool = GIMP_HUE_SATURATION_TOOL (object);
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if (hs_tool->hue_saturation)
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{
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g_free (hs_tool->hue_saturation);
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hs_tool->hue_saturation = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gimp_hue_saturation_tool_initialize (GimpTool *tool,
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GimpDisplay *gdisp)
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{
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GimpHueSaturationTool *hs_tool;
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gint i;
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hs_tool = GIMP_HUE_SATURATION_TOOL (tool);
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if (gdisp &&
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! gimp_drawable_is_rgb (gimp_image_active_drawable (gdisp->gimage)))
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{
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g_message (_("Hue-Saturation operates only on RGB color drawables."));
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return;
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}
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for (i = 0; i < 7; i++)
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{
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hs_tool->hue_saturation->hue[i] = 0.0;
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hs_tool->hue_saturation->lightness[i] = 0.0;
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hs_tool->hue_saturation->saturation[i] = 0.0;
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}
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hs_tool->hue_partition = GIMP_ALL_HUES;
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GIMP_TOOL_CLASS (parent_class)->initialize (tool, gdisp);
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hue_saturation_update (hs_tool, ALL);
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}
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static void
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gimp_hue_saturation_tool_map (GimpImageMapTool *image_map_tool)
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{
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GimpHueSaturationTool *hs_tool;
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hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
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gimp_image_map_apply (image_map_tool->image_map,
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hue_saturation,
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hs_tool->hue_saturation);
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}
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/***************************/
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/* Hue-Saturation dialog */
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/***************************/
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static void
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gimp_hue_saturation_tool_dialog (GimpImageMapTool *image_map_tool)
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{
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GimpHueSaturationTool *hs_tool;
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GtkWidget *main_hbox;
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GtkWidget *vbox;
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GtkWidget *table;
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GtkWidget *label;
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GtkWidget *slider;
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GtkWidget *abox;
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GtkWidget *spinbutton;
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GtkWidget *radio_button;
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GtkWidget *frame;
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GtkObject *data;
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GSList *group = NULL;
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gint i;
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gchar *hue_partition_names[] =
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{
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N_("Master"),
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N_("R"),
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N_("Y"),
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N_("G"),
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N_("C"),
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N_("B"),
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N_("M")
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};
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hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
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/* The main hbox containing hue partitions and sliders */
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main_hbox = gtk_hbox_new (FALSE, 12);
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gtk_box_pack_start (GTK_BOX (image_map_tool->main_vbox), main_hbox,
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FALSE, FALSE, 0);
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/* The table containing hue partitions */
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table = gtk_table_new (7, 2, 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 (main_hbox), table, FALSE, FALSE, 0);
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/* the radio buttons for hue partitions */
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for (i = 0; i < 7; i++)
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{
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radio_button = gtk_radio_button_new_with_label (group, gettext (hue_partition_names[i]));
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button));
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g_object_set_data (G_OBJECT (radio_button), "hue_partition",
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GINT_TO_POINTER (i));
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if (!i)
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{
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gtk_table_attach (GTK_TABLE (table), radio_button, 0, 2, 0, 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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}
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else
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{
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gtk_table_attach (GTK_TABLE (table), radio_button, 0, 1, i, i + 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_table_attach (GTK_TABLE (table), frame, 1, 2, i, i + 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (frame);
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hs_tool->hue_partition_da[i - 1] = gtk_preview_new (GTK_PREVIEW_COLOR);
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gtk_preview_size (GTK_PREVIEW (hs_tool->hue_partition_da[i - 1]),
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DA_WIDTH, DA_HEIGHT);
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gtk_widget_set_events (hs_tool->hue_partition_da[i - 1],
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HUE_PARTITION_MASK);
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gtk_container_add (GTK_CONTAINER (frame),
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hs_tool->hue_partition_da[i - 1]);
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gtk_widget_show (hs_tool->hue_partition_da[i - 1]);
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g_signal_connect (G_OBJECT (hs_tool->hue_partition_da[i - 1]), "event",
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G_CALLBACK (hue_saturation_hue_partition_events),
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hs_tool);
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}
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g_signal_connect (G_OBJECT (radio_button), "toggled",
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G_CALLBACK (hue_saturation_partition_callback),
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hs_tool);
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gtk_widget_show (radio_button);
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}
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gtk_widget_show (table);
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/* The vbox for the table and preview toggle */
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vbox = gtk_vbox_new (FALSE, 4);
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gtk_box_pack_start (GTK_BOX (main_hbox), vbox, FALSE, FALSE, 0);
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label = gtk_label_new (_("Hue / Lightness / Saturation Adjustments"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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/* The table containing sliders */
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table = gtk_table_new (3, 3, 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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/* Create the hue scale widget */
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label = gtk_label_new (_("Hue:"));
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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data = gtk_adjustment_new (0, -180, 180.0, 1.0, 1.0, 0.0);
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hs_tool->hue_data = GTK_ADJUSTMENT (data);
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slider = gtk_hscale_new (hs_tool->hue_data);
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gtk_widget_set_size_request (slider, SLIDER_WIDTH, -1);
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gtk_scale_set_digits (GTK_SCALE (slider), 0);
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gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
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gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
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gtk_table_attach (GTK_TABLE (table), slider, 1, 2, 0, 1,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
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abox = gtk_vbox_new (FALSE, 0);
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spinbutton = gtk_spin_button_new (hs_tool->hue_data, 1.0, 0);
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gtk_widget_set_size_request (spinbutton, 74, -1);
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gtk_box_pack_end (GTK_BOX (abox), spinbutton, FALSE, FALSE, 0);
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gtk_table_attach (GTK_TABLE (table), abox, 2, 3, 0, 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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g_signal_connect (G_OBJECT (hs_tool->hue_data), "value_changed",
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G_CALLBACK (hue_saturation_hue_adjustment_update),
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hs_tool);
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gtk_widget_show (label);
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gtk_widget_show (slider);
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gtk_widget_show (spinbutton);
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gtk_widget_show (abox);
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/* Create the lightness scale widget */
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label = gtk_label_new (_("Lightness:"));
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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data = gtk_adjustment_new (0, -100.0, 100.0, 1.0, 1.0, 0.0);
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hs_tool->lightness_data = GTK_ADJUSTMENT (data);
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slider = gtk_hscale_new (hs_tool->lightness_data);
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gtk_widget_set_size_request (slider, SLIDER_WIDTH, -1);
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gtk_scale_set_digits (GTK_SCALE (slider), 0);
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gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
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gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
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gtk_table_attach (GTK_TABLE (table), slider, 1, 2, 1, 2,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
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abox = gtk_vbox_new (FALSE, 0);
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spinbutton = gtk_spin_button_new (hs_tool->lightness_data, 1.0, 0);
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gtk_widget_set_size_request (spinbutton, 75, -1);
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gtk_box_pack_end (GTK_BOX (abox), spinbutton, FALSE, FALSE, 0);
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gtk_table_attach (GTK_TABLE (table), abox, 2, 3, 1, 2,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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g_signal_connect (G_OBJECT (hs_tool->lightness_data), "value_changed",
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G_CALLBACK (hue_saturation_lightness_adjustment_update),
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hs_tool);
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gtk_widget_show (label);
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gtk_widget_show (slider);
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gtk_widget_show (spinbutton);
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gtk_widget_show (abox);
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/* Create the saturation scale widget */
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label = gtk_label_new (_("Saturation:"));
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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data = gtk_adjustment_new (0, -100.0, 100.0, 1.0, 1.0, 0.0);
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hs_tool->saturation_data = GTK_ADJUSTMENT (data);
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slider = gtk_hscale_new (hs_tool->saturation_data);
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gtk_widget_set_size_request (slider, SLIDER_WIDTH, -1);
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gtk_scale_set_digits (GTK_SCALE (slider), 0);
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gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
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gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
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gtk_table_attach (GTK_TABLE (table), slider, 1, 2, 2, 3,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL,
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GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
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abox = gtk_vbox_new (FALSE, 0);
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spinbutton = gtk_spin_button_new (hs_tool->saturation_data, 1.0, 0);
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gtk_widget_set_size_request (spinbutton, 75, -1);
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gtk_box_pack_end (GTK_BOX (abox), spinbutton, FALSE, FALSE, 0);
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gtk_table_attach (GTK_TABLE (table), abox, 2, 3, 2, 3,
|
|
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
|
|
|
|
g_signal_connect (G_OBJECT (hs_tool->saturation_data), "value_changed",
|
|
G_CALLBACK (hue_saturation_saturation_adjustment_update),
|
|
hs_tool);
|
|
|
|
gtk_widget_show (label);
|
|
gtk_widget_show (slider);
|
|
gtk_widget_show (spinbutton);
|
|
gtk_widget_show (abox);
|
|
|
|
gtk_widget_show (table);
|
|
|
|
gtk_widget_show (vbox);
|
|
gtk_widget_show (main_hbox);
|
|
}
|
|
|
|
static void
|
|
gimp_hue_saturation_tool_reset (GimpImageMapTool *image_map_tool)
|
|
{
|
|
GimpHueSaturationTool *hs_tool;
|
|
|
|
hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
|
|
|
|
hs_tool->hue_saturation->hue[hs_tool->hue_partition] = 0.0;
|
|
hs_tool->hue_saturation->lightness[hs_tool->hue_partition] = 0.0;
|
|
hs_tool->hue_saturation->saturation[hs_tool->hue_partition] = 0.0;
|
|
|
|
hue_saturation_update (hs_tool, ALL);
|
|
}
|
|
|
|
static void
|
|
hue_saturation_update (GimpHueSaturationTool *hs_tool,
|
|
gint update)
|
|
{
|
|
gint i, j, b;
|
|
gint rgb[3];
|
|
guchar buf[DA_WIDTH * 3];
|
|
|
|
if (update & HUE_SLIDER)
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (hs_tool->hue_data),
|
|
hs_tool->hue_saturation->hue[hs_tool->hue_partition]);
|
|
|
|
if (update & LIGHTNESS_SLIDER)
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (hs_tool->lightness_data),
|
|
hs_tool->hue_saturation->lightness[hs_tool->hue_partition]);
|
|
|
|
if (update & SATURATION_SLIDER)
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (hs_tool->saturation_data),
|
|
hs_tool->hue_saturation->saturation[hs_tool->hue_partition]);
|
|
|
|
hue_saturation_calculate_transfers (hs_tool->hue_saturation);
|
|
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
rgb[RED_PIX] = default_colors[i][RED_PIX];
|
|
rgb[GREEN_PIX] = default_colors[i][GREEN_PIX];
|
|
rgb[BLUE_PIX] = default_colors[i][BLUE_PIX];
|
|
|
|
gimp_rgb_to_hls_int (rgb, rgb + 1, rgb + 2);
|
|
|
|
rgb[RED_PIX] = hs_tool->hue_saturation->hue_transfer[i][rgb[RED_PIX]];
|
|
rgb[GREEN_PIX] = hs_tool->hue_saturation->lightness_transfer[i][rgb[GREEN_PIX]];
|
|
rgb[BLUE_PIX] = hs_tool->hue_saturation->saturation_transfer[i][rgb[BLUE_PIX]];
|
|
|
|
gimp_hls_to_rgb_int (rgb, rgb + 1, rgb + 2);
|
|
|
|
for (j = 0; j < DA_WIDTH; j++)
|
|
for (b = 0; b < 3; b++)
|
|
buf[j * 3 + b] = (guchar) rgb[b];
|
|
|
|
for (j = 0; j < DA_HEIGHT; j++)
|
|
gtk_preview_draw_row (GTK_PREVIEW (hs_tool->hue_partition_da[i]),
|
|
buf, 0, j, DA_WIDTH);
|
|
|
|
if (update & DRAW)
|
|
gtk_widget_queue_draw (hs_tool->hue_partition_da[i]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
hue_saturation_partition_callback (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
GimpHueSaturationTool *hs_tool;
|
|
GimpHueRange partition;
|
|
|
|
hs_tool = GIMP_HUE_SATURATION_TOOL (data);
|
|
|
|
partition = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
|
|
"hue_partition"));
|
|
hs_tool->hue_partition = partition;
|
|
|
|
hue_saturation_update (hs_tool, ALL);
|
|
}
|
|
|
|
static void
|
|
hue_saturation_hue_adjustment_update (GtkAdjustment *adjustment,
|
|
gpointer data)
|
|
{
|
|
GimpHueSaturationTool *hs_tool;
|
|
GimpHueRange part;
|
|
|
|
hs_tool = GIMP_HUE_SATURATION_TOOL (data);
|
|
|
|
part = hs_tool->hue_partition;
|
|
|
|
if (hs_tool->hue_saturation->hue[part] != adjustment->value)
|
|
{
|
|
hs_tool->hue_saturation->hue[part] = adjustment->value;
|
|
hue_saturation_update (hs_tool, DRAW);
|
|
|
|
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (hs_tool));
|
|
}
|
|
}
|
|
|
|
static void
|
|
hue_saturation_lightness_adjustment_update (GtkAdjustment *adjustment,
|
|
gpointer data)
|
|
{
|
|
GimpHueSaturationTool *hs_tool;
|
|
GimpHueRange part;
|
|
|
|
hs_tool = GIMP_HUE_SATURATION_TOOL (data);
|
|
|
|
part = hs_tool->hue_partition;
|
|
|
|
if (hs_tool->hue_saturation->lightness[part] != adjustment->value)
|
|
{
|
|
hs_tool->hue_saturation->lightness[part] = adjustment->value;
|
|
hue_saturation_update (hs_tool, DRAW);
|
|
|
|
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (hs_tool));
|
|
}
|
|
}
|
|
|
|
static void
|
|
hue_saturation_saturation_adjustment_update (GtkAdjustment *adjustment,
|
|
gpointer data)
|
|
{
|
|
GimpHueSaturationTool *hs_tool;
|
|
GimpHueRange part;
|
|
|
|
hs_tool = GIMP_HUE_SATURATION_TOOL (data);
|
|
|
|
part = hs_tool->hue_partition;
|
|
|
|
if (hs_tool->hue_saturation->saturation[part] != adjustment->value)
|
|
{
|
|
hs_tool->hue_saturation->saturation[part] = adjustment->value;
|
|
hue_saturation_update (hs_tool, DRAW);
|
|
|
|
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (hs_tool));
|
|
}
|
|
}
|
|
|
|
static gint
|
|
hue_saturation_hue_partition_events (GtkWidget *widget,
|
|
GdkEvent *event,
|
|
GimpHueSaturationTool *hs_tool)
|
|
{
|
|
switch (event->type)
|
|
{
|
|
case GDK_EXPOSE:
|
|
hue_saturation_update (hs_tool, HUE_PARTITION);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|