mirror of https://github.com/GNOME/gimp.git
841 lines
26 KiB
C
841 lines
26 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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.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 <gdk/gdkkeysyms.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 "widgets-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-colormap.h"
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#include "core/gimpmarshal.h"
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#include "gimpcolormapeditor.h"
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#include "gimpdnd.h"
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#include "gimprender.h"
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#include "gimpmenufactory.h"
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#include "gimpuimanager.h"
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#include "gimp-intl.h"
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/* Add these features:
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*
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* load/save colormaps
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* requantize
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* add color--by clicking in the checked region
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* all changes need to flush colormap lookup cache
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*/
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enum
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{
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SELECTED,
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LAST_SIGNAL
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};
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#define HAVE_COLORMAP(gimage) \
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(gimage != NULL && \
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gimp_image_base_type (gimage) == GIMP_INDEXED && \
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gimp_image_get_colormap (gimage) != NULL)
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static void gimp_colormap_editor_class_init (GimpColormapEditorClass *klass);
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static void gimp_colormap_editor_init (GimpColormapEditor *colormap_editor);
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static GObject * gimp_colormap_editor_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static void gimp_colormap_editor_destroy (GtkObject *object);
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static void gimp_colormap_editor_unmap (GtkWidget *widget);
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static void gimp_colormap_editor_set_image (GimpImageEditor *editor,
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GimpImage *gimage);
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static void gimp_colormap_editor_draw (GimpColormapEditor *editor);
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static void gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
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gint col);
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static void gimp_colormap_editor_clear (GimpColormapEditor *editor,
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gint start_row);
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static void gimp_colormap_editor_update_entries (GimpColormapEditor *editor);
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static void gimp_colormap_editor_set_index (GimpColormapEditor *editor,
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gint i);
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static void gimp_colormap_preview_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation,
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GimpColormapEditor *editor);
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static gboolean
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gimp_colormap_preview_button_press (GtkWidget *widget,
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GdkEventButton *bevent,
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GimpColormapEditor *editor);
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static void gimp_colormap_preview_drag_color (GtkWidget *widget,
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GimpRGB *color,
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gpointer data);
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static void gimp_colormap_preview_drop_color (GtkWidget *widget,
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gint x,
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gint y,
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const GimpRGB *color,
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gpointer data);
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static void gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
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GimpColormapEditor *editor);
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static void gimp_colormap_hex_entry_changed (GimpColorHexEntry *entry,
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GimpColormapEditor *editor);
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static void gimp_colormap_image_mode_changed (GimpImage *gimage,
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GimpColormapEditor *editor);
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static void gimp_colormap_image_colormap_changed (GimpImage *gimage,
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gint ncol,
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GimpColormapEditor *editor);
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static guint editor_signals[LAST_SIGNAL] = { 0 };
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static GimpImageEditorClass *parent_class = NULL;
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GType
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gimp_colormap_editor_get_type (void)
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{
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static GType type = 0;
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if (! type)
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{
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static const GTypeInfo info =
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{
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sizeof (GimpColormapEditorClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_colormap_editor_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpColormapEditor),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_colormap_editor_init,
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};
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type = g_type_register_static (GIMP_TYPE_IMAGE_EDITOR,
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"GimpColormapEditor",
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&info, 0);
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}
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return type;
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}
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static void
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gimp_colormap_editor_class_init (GimpColormapEditorClass* klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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editor_signals[SELECTED] =
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g_signal_new ("selected",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpColormapEditorClass, selected),
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NULL, NULL,
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gimp_marshal_VOID__FLAGS,
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G_TYPE_NONE, 1,
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GDK_TYPE_MODIFIER_TYPE);
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object_class->constructor = gimp_colormap_editor_constructor;
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gtk_object_class->destroy = gimp_colormap_editor_destroy;
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widget_class->unmap = gimp_colormap_editor_unmap;
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image_editor_class->set_image = gimp_colormap_editor_set_image;
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klass->selected = NULL;
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}
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static void
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gimp_colormap_editor_init (GimpColormapEditor *editor)
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{
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GtkWidget *frame;
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GtkWidget *table;
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editor->col_index = 0;
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editor->dnd_col_index = 0;
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editor->xn = 0;
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editor->yn = 0;
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editor->cellsize = 0;
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/* The palette frame */
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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_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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editor->preview = gtk_preview_new (GTK_PREVIEW_COLOR);
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gtk_widget_set_size_request (editor->preview, -1, 60);
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gtk_preview_set_expand (GTK_PREVIEW (editor->preview), TRUE);
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gtk_widget_add_events (editor->preview, GDK_BUTTON_PRESS_MASK);
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gtk_container_add (GTK_CONTAINER (frame), editor->preview);
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gtk_widget_show (editor->preview);
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g_signal_connect_after (editor->preview, "size-allocate",
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G_CALLBACK (gimp_colormap_preview_size_allocate),
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editor);
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g_signal_connect (editor->preview, "button-press-event",
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G_CALLBACK (gimp_colormap_preview_button_press),
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editor);
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gimp_dnd_color_source_add (editor->preview, gimp_colormap_preview_drag_color,
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editor);
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gimp_dnd_color_dest_add (editor->preview, gimp_colormap_preview_drop_color,
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editor);
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/* Some helpful hints */
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table = gtk_table_new (2, 2, FALSE);
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gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
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gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
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gtk_box_pack_end (GTK_BOX (editor), table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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editor->index_spinbutton =
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gimp_spin_button_new ((GtkObject **) &editor->index_adjustment,
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0, 0, 0, 1, 10, 10, 1.0, 0);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
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_("Color index:"), 0.0, 0.5,
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editor->index_spinbutton, 1, TRUE);
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g_signal_connect (editor->index_adjustment, "value-changed",
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G_CALLBACK (gimp_colormap_adjustment_changed),
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editor);
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editor->color_entry = gimp_color_hex_entry_new ();
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gtk_entry_set_width_chars (GTK_ENTRY (editor->color_entry), 12);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
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_("HTML notation:"), 0.0, 0.5,
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editor->color_entry, 1, TRUE);
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g_signal_connect (editor->color_entry, "color-changed",
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G_CALLBACK (gimp_colormap_hex_entry_changed),
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editor);
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}
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static GObject *
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gimp_colormap_editor_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObject *object;
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GimpColormapEditor *editor;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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editor = GIMP_COLORMAP_EDITOR (object);
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editor->edit_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap-editor",
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"colormap-editor-edit-color",
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NULL);
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editor->add_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap-editor",
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"colormap-editor-add-color-from-fg",
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"colormap-editor-add-color-from-bg",
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GDK_CONTROL_MASK,
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NULL);
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return object;
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}
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static void
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gimp_colormap_editor_destroy (GtkObject *object)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
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if (editor->color_dialog)
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{
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gtk_widget_destroy (editor->color_dialog);
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editor->color_dialog = NULL;
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}
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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static void
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gimp_colormap_editor_unmap (GtkWidget *widget)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (widget);
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if (editor->color_dialog)
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gtk_widget_hide (editor->color_dialog);
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GTK_WIDGET_CLASS (parent_class)->unmap (widget);
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}
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static void
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gimp_colormap_editor_set_image (GimpImageEditor *image_editor,
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GimpImage *gimage)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (image_editor);
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if (image_editor->gimage)
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{
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g_signal_handlers_disconnect_by_func (image_editor->gimage,
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gimp_colormap_image_mode_changed,
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editor);
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g_signal_handlers_disconnect_by_func (image_editor->gimage,
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gimp_colormap_image_colormap_changed,
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editor);
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if (editor->color_dialog)
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gtk_widget_hide (editor->color_dialog);
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if (! HAVE_COLORMAP (gimage))
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{
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editor->index_adjustment->upper = 0;
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gtk_adjustment_changed (editor->index_adjustment);
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if (GTK_WIDGET_MAPPED (GTK_WIDGET (editor)))
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gimp_colormap_editor_clear (editor, -1);
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}
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}
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GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, gimage);
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editor->col_index = 0;
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editor->dnd_col_index = 0;
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if (gimage)
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{
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g_signal_connect (gimage, "mode-changed",
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G_CALLBACK (gimp_colormap_image_mode_changed),
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editor);
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g_signal_connect (gimage, "colormap-changed",
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G_CALLBACK (gimp_colormap_image_colormap_changed),
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editor);
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if (HAVE_COLORMAP (gimage))
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{
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gimp_colormap_editor_draw (editor);
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editor->index_adjustment->upper =
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gimp_image_get_colormap_size (gimage) - 1;
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gtk_adjustment_changed (editor->index_adjustment);
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}
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}
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gimp_colormap_editor_update_entries (editor);
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}
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/* public functions */
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GtkWidget *
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gimp_colormap_editor_new (GimpMenuFactory *menu_factory)
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{
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g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
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return g_object_new (GIMP_TYPE_COLORMAP_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<ColormapEditor>",
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"ui-path", "/colormap-editor-popup",
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NULL);
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}
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void
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gimp_colormap_editor_selected (GimpColormapEditor *editor,
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GdkModifierType state)
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{
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g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
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g_signal_emit (editor, editor_signals[SELECTED], 0, state);
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}
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gint
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gimp_colormap_editor_col_index (GimpColormapEditor *editor)
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{
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g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), 0);
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return editor->col_index;
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}
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/* private functions */
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#define MIN_CELL_SIZE 4
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static void
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gimp_colormap_editor_draw (GimpColormapEditor *editor)
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{
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GimpImage *gimage;
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gint i, j, k, l, b;
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gint col;
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guchar *row;
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gint cellsize, ncol, xn, yn, width, height;
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gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
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width = editor->preview->allocation.width;
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height = editor->preview->allocation.height;
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ncol = gimp_image_get_colormap_size (gimage);
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if (! ncol)
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{
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gimp_colormap_editor_clear (editor, -1);
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return;
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}
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cellsize = sqrt (width * height / ncol);
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while (cellsize >= MIN_CELL_SIZE
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&& (xn = width / cellsize) * (yn = height / cellsize) < ncol)
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cellsize--;
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if (cellsize < MIN_CELL_SIZE)
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{
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cellsize = MIN_CELL_SIZE;
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xn = yn = ceil (sqrt (ncol));
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}
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yn = ((ncol + xn - 1) / xn);
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/* We used to render just multiples of "cellsize" here, but the
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* colormap as dockable looks better if it always fills the
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* available allocation->width (which should always be larger than
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* "xn * cellsize"). Defensively, we use MAX(width,xn*cellsize)
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* below --Mitch
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*
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width = xn * cellsize;
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height = yn * cellsize; */
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editor->xn = xn;
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editor->yn = yn;
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editor->cellsize = cellsize;
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row = g_new (guchar, MAX (width, xn * cellsize) * 3);
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col = 0;
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for (i = 0; i < yn; i++)
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{
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for (j = 0; j < xn && col < ncol; j++, col++)
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{
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for (k = 0; k < cellsize; k++)
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for (b = 0; b < 3; b++)
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row[(j * cellsize + k) * 3 + b] = gimage->cmap[col * 3 + b];
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}
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for (k = 0; k < cellsize; k++)
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{
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for (l = j * cellsize; l < width; l++)
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for (b = 0; b < 3; b++)
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row[l * 3 + b] = (((((i * cellsize + k) & 0x4) ?
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(l) :
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(l + 0x4)) & 0x4) ?
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gimp_render_blend_light_check[0] :
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gimp_render_blend_dark_check[0]);
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gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row, 0,
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i * cellsize + k,
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width);
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}
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}
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gimp_colormap_editor_clear (editor, yn * cellsize);
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gimp_colormap_editor_draw_cell (editor, editor->col_index);
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g_free (row);
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gtk_widget_queue_draw (editor->preview);
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}
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static void
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gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
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gint col)
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{
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GimpImage *gimage;
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guchar *row;
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gint cellsize, x, y, k;
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gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
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cellsize = editor->cellsize;
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row = g_new (guchar, cellsize * 3);
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x = (col % editor->xn) * cellsize;
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y = (col / editor->xn) * cellsize;
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if (col == editor->col_index)
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{
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for(k = 0; k < cellsize; k++)
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row[k*3] = row[k*3+1] = row[k*3+2] = (k & 1) * 255;
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gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row, x, y, cellsize);
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if (!(cellsize & 1))
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for (k = 0; k < cellsize; k++)
|
|
row[k*3] = row[k*3+1] = row[k*3+2] = ((x+y+1) & 1) * 255;
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
x, y+cellsize-1, cellsize);
|
|
|
|
row[0]=row[1]=row[2]=255;
|
|
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
|
|
= 255 * (cellsize & 1);
|
|
for (k = 1; k < cellsize - 1; k++)
|
|
{
|
|
row[k*3] = gimage->cmap[col * 3];
|
|
row[k*3+1] = gimage->cmap[col * 3 + 1];
|
|
row[k*3+2] = gimage->cmap[col * 3 + 2];
|
|
}
|
|
for (k = 1; k < cellsize - 1; k+=2)
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
x, y+k, cellsize);
|
|
|
|
row[0] = row[1] = row[2] = 0;
|
|
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
|
|
= 255 * ((cellsize+1) & 1);
|
|
for (k = 2; k < cellsize - 1; k += 2)
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
x, y+k, cellsize);
|
|
}
|
|
else
|
|
{
|
|
for (k = 0; k < cellsize; k++)
|
|
{
|
|
row[k*3] = gimage->cmap[col * 3];
|
|
row[k*3+1] = gimage->cmap[col * 3 + 1];
|
|
row[k*3+2] = gimage->cmap[col * 3 + 2];
|
|
}
|
|
for (k = 0; k < cellsize; k++)
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
x, y+k, cellsize);
|
|
}
|
|
|
|
gtk_widget_queue_draw_area (editor->preview,
|
|
x, y,
|
|
cellsize, cellsize);
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_editor_clear (GimpColormapEditor *editor,
|
|
gint start_row)
|
|
{
|
|
gint i, j;
|
|
gint offset;
|
|
gint width, height;
|
|
guchar *row = NULL;
|
|
|
|
width = editor->preview->allocation.width;
|
|
height = editor->preview->allocation.height;
|
|
|
|
if (start_row < 0)
|
|
start_row = 0;
|
|
|
|
if (start_row >= height)
|
|
return;
|
|
|
|
if (width > 0)
|
|
row = g_new (guchar, width * 3);
|
|
|
|
if (start_row & 0x3)
|
|
{
|
|
offset = (start_row & 0x4) ? 0x4 : 0x0;
|
|
|
|
for (j = 0; j < width; j++)
|
|
{
|
|
row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] =
|
|
((j + offset) & 0x4) ?
|
|
gimp_render_blend_dark_check[0] : gimp_render_blend_light_check[0];
|
|
}
|
|
|
|
for (j = 0; j < (4 - (start_row & 0x3)) && start_row + j < height; j++)
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
0, start_row + j, width);
|
|
|
|
start_row += (4 - (start_row & 0x3));
|
|
}
|
|
|
|
for (i = start_row; i < height; i += 4)
|
|
{
|
|
offset = (i & 0x4) ? 0x4 : 0x0;
|
|
|
|
for (j = 0; j < width; j++)
|
|
{
|
|
row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] =
|
|
((j + offset) & 0x4) ?
|
|
gimp_render_blend_dark_check[0] : gimp_render_blend_light_check[0];
|
|
}
|
|
|
|
for (j = 0; j < 4 && i + j < height; j++)
|
|
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row,
|
|
0, i + j, width);
|
|
}
|
|
|
|
if (width > 0)
|
|
g_free (row);
|
|
|
|
gtk_widget_queue_draw (editor->preview);
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_editor_update_entries (GimpColormapEditor *editor)
|
|
{
|
|
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (! HAVE_COLORMAP (gimage))
|
|
{
|
|
gtk_widget_set_sensitive (editor->index_spinbutton, FALSE);
|
|
gtk_widget_set_sensitive (editor->color_entry, FALSE);
|
|
|
|
gtk_adjustment_set_value (editor->index_adjustment, 0);
|
|
gtk_entry_set_text (GTK_ENTRY (editor->color_entry), "");
|
|
}
|
|
else
|
|
{
|
|
gchar *string;
|
|
guchar *col;
|
|
|
|
gtk_adjustment_set_value (editor->index_adjustment, editor->col_index);
|
|
|
|
col = &gimage->cmap[editor->col_index * 3];
|
|
|
|
string = g_strdup_printf ("%02x%02x%02x", col[0], col[1], col[2]);
|
|
gtk_entry_set_text (GTK_ENTRY (editor->color_entry), string);
|
|
g_free (string);
|
|
|
|
gtk_widget_set_sensitive (editor->index_spinbutton, TRUE);
|
|
gtk_widget_set_sensitive (editor->color_entry, TRUE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_editor_set_index (GimpColormapEditor *editor,
|
|
gint i)
|
|
{
|
|
if (i != editor->col_index)
|
|
{
|
|
gint old = editor->col_index;
|
|
|
|
editor->col_index = i;
|
|
editor->dnd_col_index = i;
|
|
|
|
gimp_colormap_editor_draw_cell (editor, old);
|
|
gimp_colormap_editor_draw_cell (editor, i);
|
|
|
|
gimp_colormap_editor_update_entries (editor);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_preview_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *alloc,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (HAVE_COLORMAP (gimage))
|
|
gimp_colormap_editor_draw (editor);
|
|
else
|
|
gimp_colormap_editor_clear (editor, -1);
|
|
}
|
|
|
|
|
|
static gboolean
|
|
gimp_colormap_preview_button_press (GtkWidget *widget,
|
|
GdkEventButton *bevent,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
GimpImage *gimage;
|
|
guint col;
|
|
|
|
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (! HAVE_COLORMAP (gimage))
|
|
return TRUE;
|
|
|
|
if (!(bevent->y < editor->cellsize * editor->yn
|
|
&& bevent->x < editor->cellsize * editor->xn))
|
|
return TRUE;
|
|
|
|
col = (editor->xn * ((gint) bevent->y / editor->cellsize) +
|
|
((gint) bevent->x / editor->cellsize));
|
|
|
|
if (col >= gimp_image_get_colormap_size (gimage))
|
|
return TRUE;
|
|
|
|
switch (bevent->button)
|
|
{
|
|
case 1:
|
|
gimp_colormap_editor_set_index (editor, col);
|
|
gimp_colormap_editor_selected (editor, bevent->state);
|
|
|
|
if (bevent->type == GDK_2BUTTON_PRESS)
|
|
{
|
|
GtkAction *action;
|
|
|
|
action = gimp_ui_manager_find_action (GIMP_EDITOR (editor)->ui_manager,
|
|
"colormap-editor",
|
|
"colormap-editor-edit-color");
|
|
|
|
if (action)
|
|
gtk_action_activate (action);
|
|
}
|
|
return TRUE;
|
|
|
|
case 2:
|
|
editor->dnd_col_index = col;
|
|
break;
|
|
|
|
case 3:
|
|
gimp_colormap_editor_set_index (editor, col);
|
|
gimp_editor_popup_menu (GIMP_EDITOR (editor), NULL, NULL);
|
|
return TRUE;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_preview_drag_color (GtkWidget *widget,
|
|
GimpRGB *color,
|
|
gpointer data)
|
|
{
|
|
GimpColormapEditor *editor;
|
|
GimpImage *gimage;
|
|
|
|
editor = GIMP_COLORMAP_EDITOR (data);
|
|
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (HAVE_COLORMAP (gimage))
|
|
gimp_image_get_colormap_entry (gimage, editor->dnd_col_index, color);
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_preview_drop_color (GtkWidget *widget,
|
|
gint x,
|
|
gint y,
|
|
const GimpRGB *color,
|
|
gpointer data)
|
|
{
|
|
GimpColormapEditor *editor;
|
|
GimpImage *gimage;
|
|
|
|
editor = GIMP_COLORMAP_EDITOR (data);
|
|
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (HAVE_COLORMAP (gimage) && gimp_image_get_colormap_size (gimage) < 256)
|
|
{
|
|
gimp_image_add_colormap_entry (gimage, color);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (HAVE_COLORMAP (gimage))
|
|
{
|
|
gimp_colormap_editor_set_index (editor, adjustment->value + 0.5);
|
|
|
|
gimp_colormap_editor_update_entries (editor);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_hex_entry_changed (GimpColorHexEntry *entry,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
|
|
|
|
if (gimage)
|
|
{
|
|
GimpRGB color;
|
|
|
|
gimp_color_hex_entry_get_color (entry, &color);
|
|
|
|
gimp_image_set_colormap_entry (gimage, editor->col_index, &color, TRUE);
|
|
gimp_image_flush (gimage);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_image_mode_changed (GimpImage *gimage,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
if (editor->color_dialog)
|
|
gtk_widget_hide (editor->color_dialog);
|
|
|
|
gimp_colormap_image_colormap_changed (gimage, -1, editor);
|
|
}
|
|
|
|
static void
|
|
gimp_colormap_image_colormap_changed (GimpImage *gimage,
|
|
gint ncol,
|
|
GimpColormapEditor *editor)
|
|
{
|
|
if (HAVE_COLORMAP (gimage))
|
|
{
|
|
if (ncol < 0)
|
|
{
|
|
gimp_colormap_editor_draw (editor);
|
|
}
|
|
else
|
|
{
|
|
gimp_colormap_editor_draw_cell (editor, ncol);
|
|
}
|
|
|
|
if (editor->index_adjustment->upper !=
|
|
(gimp_image_get_colormap_size (gimage) - 1))
|
|
{
|
|
editor->index_adjustment->upper =
|
|
gimp_image_get_colormap_size (gimage) - 1;
|
|
|
|
gtk_adjustment_changed (editor->index_adjustment);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gimp_colormap_editor_clear (editor, -1);
|
|
}
|
|
|
|
if (ncol == editor->col_index || ncol == -1)
|
|
gimp_colormap_editor_update_entries (editor);
|
|
}
|