static void
gimp_color_tool_real_picked (GimpColorTool *color_tool,
GimpColorPickState pick_state,
GimpImageType sample_type,
GimpRGB *color,
gint color_index)
{
GimpTool *tool = GIMP_TOOL (color_tool);
GimpContext *context;
GimpDialogFactory *dialog_factory;
/* use this tool's own options here (NOT color_tool->options) */
context = GIMP_CONTEXT (gimp_tool_get_options (tool));
dialog_factory = gimp_dialog_factory_from_name ("dock");
if (color_tool->pick_mode == GIMP_COLOR_PICK_MODE_FOREGROUND ||
color_tool->pick_mode == GIMP_COLOR_PICK_MODE_BACKGROUND)
{
GimpSessionInfo *info;
if (GIMP_IMAGE_TYPE_IS_INDEXED (sample_type))
{
info = gimp_dialog_factory_find_session_info (dialog_factory,
"gimp-indexed-palette");
if (info && info->widget)
{
GimpColormapEditor *editor;
editor = GIMP_COLORMAP_EDITOR (gtk_bin_get_child (GTK_BIN (info->widget)));
gimp_colormap_editor_set_index (editor, color_index, NULL);
}
}
if (TRUE)
{
info = gimp_dialog_factory_find_session_info (dialog_factory,
"gimp-palette-editor");
if (info && info->widget)
{
GimpPaletteEditor *editor;
gint index;
editor = GIMP_PALETTE_EDITOR (gtk_bin_get_child (GTK_BIN (info->widget)));
index = gimp_palette_editor_get_index (editor, color);
if (index != -1)
gimp_palette_editor_set_index (editor, index, NULL);
}
}
}
switch (color_tool->pick_mode)
{
case GIMP_COLOR_PICK_MODE_NONE:
break;
case GIMP_COLOR_PICK_MODE_FOREGROUND:
gimp_context_set_foreground (context, color);
break;
case GIMP_COLOR_PICK_MODE_BACKGROUND:
gimp_context_set_background (context, color);
break;
case GIMP_COLOR_PICK_MODE_PALETTE:
{
GdkScreen *screen;
GtkWidget *dockable;
screen = gtk_widget_get_screen (tool->display->shell);
dockable = gimp_dialog_factory_dialog_raise (dialog_factory, screen,
"gimp-palette-editor",
-1);
if (dockable)
{
GtkWidget *palette_editor;
GimpData *data;
/* don't blink like mad when updating */
if (pick_state == GIMP_COLOR_PICK_STATE_UPDATE)
gimp_dockable_blink_cancel (GIMP_DOCKABLE (dockable));
palette_editor = gtk_bin_get_child (GTK_BIN (dockable));
data = gimp_data_editor_get_data (GIMP_DATA_EDITOR (palette_editor));
if (! data)
{
data = GIMP_DATA (gimp_context_get_palette (context));
gimp_data_editor_set_data (GIMP_DATA_EDITOR (palette_editor),
data);
}
gimp_palette_editor_pick_color (GIMP_PALETTE_EDITOR (palette_editor),
color, pick_state);
}
}
break;
}
}
void
drawable_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image;
GimpDrawable *drawable = NULL;
gboolean is_rgb = FALSE;
gboolean is_gray = FALSE;
gboolean is_indexed = FALSE;
gboolean visible = FALSE;
gboolean linked = FALSE;
gboolean locked = FALSE;
gboolean can_lock = FALSE;
gboolean writable = FALSE;
gboolean children = FALSE;
image = action_data_get_image (data);
if (image)
{
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
GimpImageType drawable_type = gimp_drawable_type (drawable);
GimpItem *item;
is_rgb = GIMP_IMAGE_TYPE_IS_RGB (drawable_type);
is_gray = GIMP_IMAGE_TYPE_IS_GRAY (drawable_type);
is_indexed = GIMP_IMAGE_TYPE_IS_INDEXED (drawable_type);
if (GIMP_IS_LAYER_MASK (drawable))
item = GIMP_ITEM (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
else
item = GIMP_ITEM (drawable);
visible = gimp_item_get_visible (item);
linked = gimp_item_get_linked (item);
locked = gimp_item_get_lock_content (item);
can_lock = gimp_item_can_lock_content (item);
writable = ! gimp_item_is_content_locked (item);
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
children = TRUE;
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
#define SET_ACTIVE(action,condition) \
gimp_action_group_set_action_active (group, action, (condition) != 0)
SET_SENSITIVE ("drawable-equalize", writable && !children && !is_indexed);
SET_SENSITIVE ("drawable-invert", writable && !children && !is_indexed);
SET_SENSITIVE ("drawable-levels-stretch", writable && !children && is_rgb);
SET_SENSITIVE ("drawable-offset", writable && !children);
SET_SENSITIVE ("drawable-visible", drawable);
SET_SENSITIVE ("drawable-linked", drawable);
SET_SENSITIVE ("drawable-lock-content", can_lock);
SET_ACTIVE ("drawable-visible", visible);
SET_ACTIVE ("drawable-linked", linked);
SET_ACTIVE ("drawable-lock-content", locked);
SET_SENSITIVE ("drawable-flip-horizontal", writable);
SET_SENSITIVE ("drawable-flip-vertical", writable);
SET_SENSITIVE ("drawable-rotate-90", writable);
SET_SENSITIVE ("drawable-rotate-180", writable);
SET_SENSITIVE ("drawable-rotate-270", writable);
#undef SET_SENSITIVE
#undef SET_ACTIVE
}
gboolean
gimp_pickable_pick_color (GimpPickable *pickable,
gint x,
gint y,
gboolean sample_average,
gdouble average_radius,
GimpRGB *color,
gint *color_index)
{
GimpImage *image;
GimpImageType type;
guchar pixel[4];
guchar col[4];
g_return_val_if_fail (GIMP_IS_PICKABLE (pickable), FALSE);
if (! gimp_pickable_get_pixel_at (pickable, x, y, pixel))
return FALSE;
image = gimp_pickable_get_image (pickable);
type = gimp_pickable_get_image_type (pickable);
if (sample_average)
{
gint count = 0;
gint color_avg[4] = { 0, 0, 0, 0 };
gint radius = (gint) average_radius;
gint i, j;
for (i = x - radius; i <= x + radius; i++)
for (j = y - radius; j <= y + radius; j++)
if (gimp_pickable_get_pixel_at (pickable, i, j, pixel))
{
count++;
gimp_image_get_color (image, type, pixel, col);
color_avg[RED] += col[RED];
color_avg[GREEN] += col[GREEN];
color_avg[BLUE] += col[BLUE];
color_avg[ALPHA] += col[ALPHA];
}
col[RED] = (guchar) ((color_avg[RED] + count / 2) / count);
col[GREEN] = (guchar) ((color_avg[GREEN] + count / 2) / count);
col[BLUE] = (guchar) ((color_avg[BLUE] + count / 2) / count);
col[ALPHA] = (guchar) ((color_avg[ALPHA] + count / 2) / count);
}
else
{
gimp_image_get_color (image, type, pixel, col);
}
gimp_rgba_set_uchar (color,
col[RED],
col[GREEN],
col[BLUE],
col[ALPHA]);
if (color_index)
{
if (GIMP_IMAGE_TYPE_IS_INDEXED (type) && ! sample_average)
*color_index = pixel[0];
else
*color_index = -1;
}
return TRUE;
}
