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gimp/app/widgets/gimpcolormapeditor.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
/* FIXME: #undef GTK_DISABLE_DEPRECATED */
#undef GTK_DISABLE_DEPRECATED
#include <gegl.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpimage-colormap.h"
#include "core/gimpmarshal.h"
#include "gimpcolormapeditor.h"
#include "gimpdnd.h"
#include "gimpmenufactory.h"
#include "gimpuimanager.h"
#include "gimp-intl.h"
/* Add these features:
*
* load/save colormaps
* requantize
* add color--by clicking in the checked region
* all changes need to flush colormap lookup cache
*/
enum
{
SELECTED,
LAST_SIGNAL
};
#define EPSILON 1e-10
#define HAVE_COLORMAP(image) \
(image != NULL && \
gimp_image_base_type (image) == GIMP_INDEXED && \
gimp_image_get_colormap (image) != NULL)
static GObject * gimp_colormap_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_colormap_editor_finalize (GObject *object);
static void gimp_colormap_editor_destroy (GtkObject *object);
static void gimp_colormap_editor_unmap (GtkWidget *widget);
static void gimp_colormap_editor_set_image (GimpImageEditor *editor,
GimpImage *image);
static PangoLayout *
gimp_colormap_editor_create_layout (GtkWidget *widget);
static void gimp_colormap_editor_draw (GimpColormapEditor *editor);
static void gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
gint col);
static void gimp_colormap_editor_clear (GimpColormapEditor *editor,
gint start_row);
static void gimp_colormap_editor_update_entries (GimpColormapEditor *editor);
static void gimp_colormap_preview_size_allocate (GtkWidget *widget,
GtkAllocation *allocation,
GimpColormapEditor *editor);
static void gimp_colormap_preview_expose (GtkWidget *widget,
GdkEventExpose *event,
GimpColormapEditor *editor);
static gboolean
gimp_colormap_preview_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpColormapEditor *editor);
static void gimp_colormap_preview_drag_color (GtkWidget *widget,
GimpRGB *color,
gpointer data);
static void gimp_colormap_preview_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data);
static void gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
GimpColormapEditor *editor);
static void gimp_colormap_hex_entry_changed (GimpColorHexEntry *entry,
GimpColormapEditor *editor);
static void gimp_colormap_image_mode_changed (GimpImage *image,
GimpColormapEditor *editor);
static void gimp_colormap_image_colormap_changed (GimpImage *image,
gint ncol,
GimpColormapEditor *editor);
G_DEFINE_TYPE (GimpColormapEditor, gimp_colormap_editor,
GIMP_TYPE_IMAGE_EDITOR)
#define parent_class gimp_colormap_editor_parent_class
static guint editor_signals[LAST_SIGNAL] = { 0 };
static void
gimp_colormap_editor_class_init (GimpColormapEditorClass* klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
editor_signals[SELECTED] =
g_signal_new ("selected",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpColormapEditorClass, selected),
NULL, NULL,
gimp_marshal_VOID__FLAGS,
G_TYPE_NONE, 1,
GDK_TYPE_MODIFIER_TYPE);
object_class->constructor = gimp_colormap_editor_constructor;
object_class->finalize = gimp_colormap_editor_finalize;
gtk_object_class->destroy = gimp_colormap_editor_destroy;
widget_class->unmap = gimp_colormap_editor_unmap;
image_editor_class->set_image = gimp_colormap_editor_set_image;
klass->selected = NULL;
}
static void
gimp_colormap_editor_init (GimpColormapEditor *editor)
{
GtkWidget *frame;
GtkWidget *table;
GtkObject *adj;
gint width;
gint height;
editor->col_index = 0;
editor->dnd_col_index = 0;
editor->xn = 0;
editor->yn = 0;
editor->cellsize = 0;
/* The palette frame */
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
editor->preview = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_set_expand (GTK_PREVIEW (editor->preview), TRUE);
gtk_widget_add_events (editor->preview, GDK_BUTTON_PRESS_MASK);
gtk_container_add (GTK_CONTAINER (frame), editor->preview);
gtk_widget_show (editor->preview);
editor->layout = gimp_colormap_editor_create_layout (editor->preview);
pango_layout_set_width (editor->layout, 180 * PANGO_SCALE);
pango_layout_get_pixel_size (editor->layout, &width, &height);
gtk_widget_set_size_request (editor->preview, width, height);
g_signal_connect_after (editor->preview, "size-allocate",
G_CALLBACK (gimp_colormap_preview_size_allocate),
editor);
g_signal_connect_after (editor->preview, "expose-event",
G_CALLBACK (gimp_colormap_preview_expose),
editor);
g_signal_connect (editor->preview, "button-press-event",
G_CALLBACK (gimp_colormap_preview_button_press),
editor);
gimp_dnd_color_source_add (editor->preview, gimp_colormap_preview_drag_color,
editor);
gimp_dnd_color_dest_add (editor->preview, gimp_colormap_preview_drop_color,
editor);
/* Some helpful hints */
table = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_box_pack_end (GTK_BOX (editor), table, FALSE, FALSE, 0);
gtk_widget_show (table);
editor->index_spinbutton = gimp_spin_button_new (&adj,
0, 0, 0, 1, 10, 0, 1.0, 0);
editor->index_adjustment = GTK_ADJUSTMENT (adj);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Color index:"), 0.0, 0.5,
editor->index_spinbutton, 1, TRUE);
g_signal_connect (editor->index_adjustment, "value-changed",
G_CALLBACK (gimp_colormap_adjustment_changed),
editor);
editor->color_entry = gimp_color_hex_entry_new ();
gtk_entry_set_width_chars (GTK_ENTRY (editor->color_entry), 12);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("HTML notation:"), 0.0, 0.5,
editor->color_entry, 1, TRUE);
g_signal_connect (editor->color_entry, "color-changed",
G_CALLBACK (gimp_colormap_hex_entry_changed),
editor);
}
static GObject *
gimp_colormap_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpColormapEditor *editor;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_COLORMAP_EDITOR (object);
editor->edit_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
"colormap-edit-color",
NULL);
editor->add_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
"colormap-add-color-from-fg",
"colormap-add-color-from-bg",
GDK_CONTROL_MASK,
NULL);
return object;
}
static void
gimp_colormap_editor_finalize (GObject *object)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
if (editor->layout)
{
g_object_unref (editor->layout);
editor->layout = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_colormap_editor_destroy (GtkObject *object)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
if (editor->color_dialog)
{
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_colormap_editor_unmap (GtkWidget *widget)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (widget);
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static void
gimp_colormap_editor_set_image (GimpImageEditor *image_editor,
GimpImage *image)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (image_editor);
if (image_editor->image)
{
g_signal_handlers_disconnect_by_func (image_editor->image,
gimp_colormap_image_mode_changed,
editor);
g_signal_handlers_disconnect_by_func (image_editor->image,
gimp_colormap_image_colormap_changed,
editor);
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
if (! HAVE_COLORMAP (image))
{
editor->index_adjustment->upper = 0;
gtk_adjustment_changed (editor->index_adjustment);
if (GTK_WIDGET_MAPPED (GTK_WIDGET (editor)))
gimp_colormap_editor_clear (editor, -1);
}
}
GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, image);
editor->col_index = 0;
editor->dnd_col_index = 0;
if (image)
{
g_signal_connect (image, "mode-changed",
G_CALLBACK (gimp_colormap_image_mode_changed),
editor);
g_signal_connect (image, "colormap-changed",
G_CALLBACK (gimp_colormap_image_colormap_changed),
editor);
if (HAVE_COLORMAP (image))
{
gimp_colormap_editor_draw (editor);
editor->index_adjustment->upper =
gimp_image_get_colormap_size (image) - 1;
gtk_adjustment_changed (editor->index_adjustment);
}
}
gimp_colormap_editor_update_entries (editor);
}
/* public functions */
GtkWidget *
gimp_colormap_editor_new (GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (GIMP_TYPE_COLORMAP_EDITOR,
"menu-factory", menu_factory,
"menu-identifier", "<Colormap>",
"ui-path", "/colormap-popup",
NULL);
}
gint
gimp_colormap_editor_get_index (GimpColormapEditor *editor,
const GimpRGB *search)
{
GimpImage *image;
gint index;
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), 01);
image = GIMP_IMAGE_EDITOR (editor)->image;
if (! HAVE_COLORMAP (image))
return -1;
index = editor->col_index;
if (search)
{
GimpRGB temp;
gimp_image_get_colormap_entry (image, index, &temp);
if (gimp_rgb_distance (&temp, search) > EPSILON)
{
gint n_colors = gimp_image_get_colormap_size (image);
gint i;
for (i = 0; i < n_colors; i++)
{
gimp_image_get_colormap_entry (image, i, &temp);
if (gimp_rgb_distance (&temp, search) < EPSILON)
{
index = i;
break;
}
}
}
}
return index;
}
gboolean
gimp_colormap_editor_set_index (GimpColormapEditor *editor,
gint index,
GimpRGB *color)
{
GimpImage *image;
gint size;
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), FALSE);
image = GIMP_IMAGE_EDITOR (editor)->image;
if (! HAVE_COLORMAP (image))
return FALSE;
size = gimp_image_get_colormap_size (image);
if (size < 1)
return FALSE;
index = CLAMP (index, 0, size - 1);
if (index != editor->col_index)
{
gint old = editor->col_index;
editor->col_index = index;
editor->dnd_col_index = index;
gimp_colormap_editor_draw_cell (editor, old);
gimp_colormap_editor_draw_cell (editor, index);
gimp_colormap_editor_update_entries (editor);
}
if (color)
gimp_image_get_colormap_entry (GIMP_IMAGE_EDITOR (editor)->image,
index, color);
return TRUE;
}
gint
gimp_colormap_editor_max_index (GimpColormapEditor *editor)
{
GimpImage *image;
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), -1);
image = GIMP_IMAGE_EDITOR (editor)->image;
if (! HAVE_COLORMAP (image))
return -1;
return MAX (0, gimp_image_get_colormap_size (image) - 1);
}
/* private functions */
static PangoLayout *
gimp_colormap_editor_create_layout (GtkWidget *widget)
{
PangoLayout *layout;
PangoAttrList *attrs;
PangoAttribute *attr;
layout = gtk_widget_create_pango_layout (widget,
_("Only indexed images have "
"a colormap."));
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
attrs = pango_attr_list_new ();
attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
return layout;
}
#define MIN_CELL_SIZE 4
static void
gimp_colormap_editor_draw (GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
gint i, j, k, b;
gint col;
guchar *row;
gint cellsize, ncol, xn, yn;
gint width = editor->preview->allocation.width;
gint height = editor->preview->allocation.height;
ncol = gimp_image_get_colormap_size (image);
if (! ncol)
{
gimp_colormap_editor_clear (editor, -1);
return;
}
cellsize = sqrt (width * height / ncol);
while (cellsize >= MIN_CELL_SIZE
&& (xn = width / cellsize) * (yn = height / cellsize) < ncol)
cellsize--;
if (cellsize < MIN_CELL_SIZE)
{
cellsize = MIN_CELL_SIZE;
xn = yn = ceil (sqrt (ncol));
}
yn = ((ncol + xn - 1) / xn);
/* We used to render just multiples of "cellsize" here, but the
* colormap as dockable looks better if it always fills the
* available allocation->width (which should always be larger than
* "xn * cellsize"). Defensively, we use MAX (width, xn * cellsize)
* below --Mitch
*/
editor->xn = xn;
editor->yn = yn;
editor->cellsize = cellsize;
row = g_new (guchar, MAX (width, xn * cellsize) * 3);
col = 0;
for (i = 0; i < yn; i++)
{
for (j = 0; j < xn && col < ncol; j++, col++)
{
for (k = 0; k < cellsize; k++)
for (b = 0; b < 3; b++)
row[(j * cellsize + k) * 3 + b] = image->colormap[col * 3 + b];
}
if (j * cellsize < width)
memset (row + j * cellsize * 3, 255, 3 * (width - j * cellsize));
for (k = 0; k < cellsize; k++)
{
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row, 0,
i * cellsize + k,
width);
}
}
gimp_colormap_editor_clear (editor, yn * cellsize);
gimp_colormap_editor_draw_cell (editor, editor->col_index);
g_free (row);
gtk_widget_queue_draw (editor->preview);
}
static void
gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
gint col)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
gint cellsize = editor->cellsize;
guchar *row = g_alloca (cellsize * 3);
gint x, y, k;
if (! editor->xn)
return;
x = (col % editor->xn) * cellsize;
y = (col / editor->xn) * cellsize;
if (col == editor->col_index)
{
for (k = 0; k < cellsize; k++)
row[k*3] = row[k*3+1] = row[k*3+2] = (k & 1) * 255;
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row, x, y, cellsize);
if (!(cellsize & 1))
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] = image->colormap[col * 3];
row[k*3+1] = image->colormap[col * 3 + 1];
row[k*3+2] = image->colormap[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] = image->colormap[col * 3];
row[k*3+1] = image->colormap[col * 3 + 1];
row[k*3+2] = image->colormap[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_preview_expose (GtkWidget *widget,
GdkEventExpose *event,
GimpColormapEditor *editor)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
gint x, y;
gint width, height;
if (image_editor->image == NULL ||
gimp_image_base_type (image_editor->image) == GIMP_INDEXED)
return;
pango_layout_get_pixel_size (editor->layout, &width, &height);
x = (widget->allocation.width - width) / 2;
y = (widget->allocation.height - height) / 2;
gdk_draw_layout (editor->preview->window,
editor->preview->style->fg_gc[widget->state],
MAX (x, 0), MAX (y, 0),
editor->layout);
}
static void
gimp_colormap_editor_clear (GimpColormapEditor *editor,
gint start_row)
{
guchar *row;
gint width = editor->preview->allocation.width;
gint height = editor->preview->allocation.height;
gint y;
if (start_row < 0)
start_row = 0;
if (start_row >= height)
return;
row = g_alloca (width * 3);
memset (row, 255, 3 * width);
for (y = start_row; y < height; y++)
gtk_preview_draw_row (GTK_PREVIEW (editor->preview), row, 0, y, width);
gtk_widget_queue_draw (editor->preview);
}
static void
gimp_colormap_editor_update_entries (GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (! HAVE_COLORMAP (image) ||
! gimp_image_get_colormap_size (image))
{
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 = image->colormap + 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_preview_size_allocate (GtkWidget *widget,
GtkAllocation *alloc,
GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (HAVE_COLORMAP (image))
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 *image = GIMP_IMAGE_EDITOR (editor)->image;
guint col;
if (! HAVE_COLORMAP (image))
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 (image))
return TRUE;
switch (bevent->button)
{
case 1:
gimp_colormap_editor_set_index (editor, col, NULL);
g_signal_emit (editor, editor_signals[SELECTED], 0, bevent->state);
if (bevent->type == GDK_2BUTTON_PRESS)
gimp_ui_manager_activate_action (GIMP_EDITOR (editor)->ui_manager,
"colormap",
"colormap-edit-color");
return TRUE;
case 2:
editor->dnd_col_index = col;
break;
case 3:
gimp_colormap_editor_set_index (editor, col, NULL);
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 = GIMP_COLORMAP_EDITOR (data);
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (HAVE_COLORMAP (image))
gimp_image_get_colormap_entry (image, 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 = GIMP_COLORMAP_EDITOR (data);
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (HAVE_COLORMAP (image) && gimp_image_get_colormap_size (image) < 256)
{
gimp_image_add_colormap_entry (image, color);
}
}
static void
gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (HAVE_COLORMAP (image))
{
gint index = ROUND (gtk_adjustment_get_value (adjustment));
gimp_colormap_editor_set_index (editor, index, NULL);
gimp_colormap_editor_update_entries (editor);
}
}
static void
gimp_colormap_hex_entry_changed (GimpColorHexEntry *entry,
GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
if (image)
{
GimpRGB color;
gimp_color_hex_entry_get_color (entry, &color);
gimp_image_set_colormap_entry (image, editor->col_index, &color, TRUE);
gimp_image_flush (image);
}
}
static void
gimp_colormap_image_mode_changed (GimpImage *image,
GimpColormapEditor *editor)
{
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
gimp_colormap_image_colormap_changed (image, -1, editor);
}
static void
gimp_colormap_image_colormap_changed (GimpImage *image,
gint ncol,
GimpColormapEditor *editor)
{
if (HAVE_COLORMAP (image))
{
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 (image) - 1))
{
editor->index_adjustment->upper =
gimp_image_get_colormap_size (image) - 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);
}
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