4af6fb5944
In GimpThresholdTool, calculate the histogram of the target drawable asynchronously, rather than synchronously, to avoid blocking the UI while the histogram is calculated. Additionally, fix the initial "low" threshold value for > 8bpc images (127/255 => 0.5).
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_THRESHOLD_TOOL_H__
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#define __GIMP_THRESHOLD_TOOL_H__
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#include "gimpfiltertool.h"
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#define GIMP_TYPE_THRESHOLD_TOOL (gimp_threshold_tool_get_type ())
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#define GIMP_THRESHOLD_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdTool))
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#define GIMP_THRESHOLD_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdToolClass))
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#define GIMP_IS_THRESHOLD_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_THRESHOLD_TOOL))
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#define GIMP_IS_THRESHOLD_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_THRESHOLD_TOOL))
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#define GIMP_THRESHOLD_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdToolClass))
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typedef struct _GimpThresholdTool GimpThresholdTool;
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typedef struct _GimpThresholdToolClass GimpThresholdToolClass;
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struct _GimpThresholdTool
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{
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GimpFilterTool parent_instance;
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/* dialog */
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GimpHistogram *histogram;
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GimpAsync *histogram_async;
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GtkWidget *channel_menu;
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GimpHistogramBox *histogram_box;
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};
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struct _GimpThresholdToolClass
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{
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GimpFilterToolClass parent_class;
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};
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void gimp_threshold_tool_register (GimpToolRegisterCallback callback,
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gpointer data);
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GType gimp_threshold_tool_get_type (void) G_GNUC_CONST;
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#endif /* __GIMP_THRESHOLD_TOOL_H__ */
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