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added an "Auto" button and initialize the tool with a default threshold of 

2006-04-25  Michael Natterer  <mitch@gimp.org>

	* app/tools/gimpthresholdtool.c: added an "Auto" button and
	initialize the tool with a default threshold of 127 again.
	Removed some cruft and did some cleanup.
This commit is contained in:
Michael Natterer 2006-04-25 18:02:30 +00:00 committed by Michael Natterer
parent 3516724652
commit 35f0511f0c
2 changed files with 40 additions and 18 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-04-25 Michael Natterer <mitch@gimp.org>
* app/tools/gimpthresholdtool.c: added an "Auto" button and
initialize the tool with a default threshold of 127 again.
Removed some cruft and did some cleanup.
2006-04-25 Sven Neumann <sven@gimp.org>
* app/paint-funcs/paint-funcs-generic.h

52
app/tools/gimpthresholdtool.c
View File

@ -46,12 +46,6 @@
#include "gimp-intl.h"
#define LOW 0x1
#define HIGH 0x2
#define HISTOGRAM 0x4
#define ALL (LOW | HIGH | HISTOGRAM)
/* local function prototypes */
static void gimp_threshold_tool_finalize (GObject *object);
@ -67,6 +61,8 @@ static void gimp_threshold_tool_histogram_range (GimpHistogramView *view,
gint start,
gint end,
GimpThresholdTool *t_tool);
static void gimp_threshold_tool_auto_clicked (GtkWidget *button,
GimpThresholdTool *t_tool);
G_DEFINE_TYPE (GimpThresholdTool, gimp_threshold_tool,
@ -169,12 +165,6 @@ gimp_threshold_tool_initialize (GimpTool *tool,
gimp_drawable_calculate_histogram (drawable, t_tool->hist);
t_tool->threshold->low_threshold =
gimp_histogram_get_threshold (t_tool->hist,
(t_tool->threshold->color ?
GIMP_HISTOGRAM_RGB : GIMP_HISTOGRAM_VALUE),
0, 255);
g_signal_handlers_block_by_func (t_tool->histogram_box->view,
gimp_threshold_tool_histogram_range,
t_tool);
@ -216,6 +206,7 @@ gimp_threshold_tool_dialog (GimpImageMapTool *image_map_tool)
GtkWidget *hbox;
GtkWidget *menu;
GtkWidget *box;
GtkWidget *button;
tool_options = GIMP_TOOL (t_tool)->tool_info->tool_options;
@ -243,6 +234,20 @@ gimp_threshold_tool_dialog (GimpImageMapTool *image_map_tool)
gimp_histogram_options_connect_view (GIMP_HISTOGRAM_OPTIONS (tool_options),
t_tool->histogram_box->view);
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
button = gtk_button_new_with_mnemonic (_("_Auto"));
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gimp_help_set_help_data (button, _("Automatically adjust to optimal "
"binarization threshold"), NULL);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_threshold_tool_auto_clicked),
t_tool);
}
static void
@ -250,12 +255,7 @@ gimp_threshold_tool_reset (GimpImageMapTool *image_map_tool)
{
GimpThresholdTool *t_tool = GIMP_THRESHOLD_TOOL (image_map_tool);
t_tool->threshold->low_threshold = 127.0;
t_tool->threshold->high_threshold = 255.0;
gimp_histogram_view_set_range (t_tool->histogram_box->view,
t_tool->threshold->low_threshold,
t_tool->threshold->high_threshold);
gimp_histogram_view_set_range (t_tool->histogram_box->view, 127.0, 255.0);
}
static void
@ -273,3 +273,19 @@ gimp_threshold_tool_histogram_range (GimpHistogramView *widget,
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (t_tool));
}
}
static void
gimp_threshold_tool_auto_clicked (GtkWidget *button,
GimpThresholdTool *t_tool)
{
gdouble low_threshold;
low_threshold =
gimp_histogram_get_threshold (t_tool->hist,
(t_tool->threshold->color ?
GIMP_HISTOGRAM_RGB : GIMP_HISTOGRAM_VALUE),
0, 255);
gimp_histogram_view_set_range (t_tool->histogram_box->view,
low_threshold, 255.0);
}