forked from openkylin/gimp
374 lines
13 KiB
C
374 lines
13 KiB
C
/* 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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gegl.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpmath/gimpmath.h"
|
|
|
|
#include "tools-types.h"
|
|
|
|
#include "core/gimp.h"
|
|
#include "core/gimpsamplepoint.h"
|
|
#include "core/gimpimage.h"
|
|
#include "core/gimpimage-sample-points.h"
|
|
|
|
#include "display/gimpdisplay.h"
|
|
#include "display/gimpdisplayshell.h"
|
|
#include "display/gimpdisplayshell-selection.h"
|
|
#include "display/gimpdisplayshell-transform.h"
|
|
|
|
#include "gimpsamplepointtool.h"
|
|
#include "gimptoolcontrol.h"
|
|
#include "tool_manager.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void gimp_sample_point_tool_button_release (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonReleaseType release_type,
|
|
GimpDisplay *display);
|
|
static void gimp_sample_point_tool_motion (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpDisplay *display);
|
|
|
|
static void gimp_sample_point_tool_draw (GimpDrawTool *draw_tool);
|
|
|
|
static void gimp_sample_point_tool_start (GimpTool *parent_tool,
|
|
GimpDisplay *display,
|
|
GimpSamplePoint *sample_point);
|
|
|
|
|
|
G_DEFINE_TYPE (GimpSamplePointTool, gimp_sample_point_tool, GIMP_TYPE_DRAW_TOOL)
|
|
|
|
#define parent_class gimp_sample_point_tool_parent_class
|
|
|
|
|
|
static void
|
|
gimp_sample_point_tool_class_init (GimpSamplePointToolClass *klass)
|
|
{
|
|
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
|
|
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
|
|
|
|
tool_class->button_release = gimp_sample_point_tool_button_release;
|
|
tool_class->motion = gimp_sample_point_tool_motion;
|
|
|
|
draw_tool_class->draw = gimp_sample_point_tool_draw;
|
|
}
|
|
|
|
static void
|
|
gimp_sample_point_tool_init (GimpSamplePointTool *sp_tool)
|
|
{
|
|
GimpTool *tool = GIMP_TOOL (sp_tool);
|
|
|
|
gimp_tool_control_set_snap_to (tool->control, FALSE);
|
|
gimp_tool_control_set_handle_empty_image (tool->control, TRUE);
|
|
gimp_tool_control_set_tool_cursor (tool->control,
|
|
GIMP_TOOL_CURSOR_MOVE);
|
|
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
|
|
gimp_tool_control_set_precision (tool->control,
|
|
GIMP_CURSOR_PRECISION_PIXEL_CENTER);
|
|
|
|
sp_tool->sample_point = NULL;
|
|
sp_tool->sample_point_x = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
sp_tool->sample_point_y = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
}
|
|
|
|
static void
|
|
gimp_sample_point_tool_button_release (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonReleaseType release_type,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpSamplePointTool *sp_tool = GIMP_SAMPLE_POINT_TOOL (tool);
|
|
GimpDisplayShell *shell = gimp_display_get_shell (display);
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
|
|
gimp_tool_pop_status (tool, display);
|
|
|
|
gimp_tool_control_halt (tool->control);
|
|
|
|
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
|
|
|
|
if (release_type != GIMP_BUTTON_RELEASE_CANCEL)
|
|
{
|
|
gint width = gimp_image_get_width (image);
|
|
gint height = gimp_image_get_height (image);
|
|
|
|
if (sp_tool->sample_point_x == GIMP_SAMPLE_POINT_POSITION_UNDEFINED ||
|
|
sp_tool->sample_point_x < 0 ||
|
|
sp_tool->sample_point_x >= width ||
|
|
sp_tool->sample_point_y == GIMP_SAMPLE_POINT_POSITION_UNDEFINED ||
|
|
sp_tool->sample_point_y < 0 ||
|
|
sp_tool->sample_point_y >= height)
|
|
{
|
|
if (sp_tool->sample_point)
|
|
{
|
|
gimp_image_remove_sample_point (image,
|
|
sp_tool->sample_point, TRUE);
|
|
sp_tool->sample_point = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (sp_tool->sample_point)
|
|
{
|
|
gimp_image_move_sample_point (image,
|
|
sp_tool->sample_point,
|
|
sp_tool->sample_point_x,
|
|
sp_tool->sample_point_y,
|
|
TRUE);
|
|
}
|
|
else
|
|
{
|
|
sp_tool->sample_point =
|
|
gimp_image_add_sample_point_at_pos (image,
|
|
sp_tool->sample_point_x,
|
|
sp_tool->sample_point_y,
|
|
TRUE);
|
|
}
|
|
}
|
|
|
|
gimp_image_flush (image);
|
|
}
|
|
|
|
gimp_display_shell_selection_resume (shell);
|
|
|
|
sp_tool->sample_point_x = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
sp_tool->sample_point_y = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
|
|
tool_manager_pop_tool (display->gimp);
|
|
g_object_unref (sp_tool);
|
|
|
|
{
|
|
GimpTool *active_tool = tool_manager_get_active (display->gimp);
|
|
|
|
if (GIMP_IS_DRAW_TOOL (active_tool))
|
|
gimp_draw_tool_pause (GIMP_DRAW_TOOL (active_tool));
|
|
|
|
tool_manager_oper_update_active (display->gimp, coords, state,
|
|
TRUE, display);
|
|
tool_manager_cursor_update_active (display->gimp, coords, state,
|
|
display);
|
|
|
|
if (GIMP_IS_DRAW_TOOL (active_tool))
|
|
gimp_draw_tool_resume (GIMP_DRAW_TOOL (active_tool));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_sample_point_tool_motion (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
|
|
{
|
|
GimpSamplePointTool *sp_tool = GIMP_SAMPLE_POINT_TOOL (tool);
|
|
GimpDisplayShell *shell = gimp_display_get_shell (display);
|
|
gboolean delete_point = FALSE;
|
|
gint tx, ty;
|
|
|
|
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
|
|
|
|
gimp_display_shell_transform_xy (shell,
|
|
coords->x, coords->y,
|
|
&tx, &ty);
|
|
|
|
if (tx < 0 || tx >= shell->disp_width ||
|
|
ty < 0 || ty >= shell->disp_height)
|
|
{
|
|
sp_tool->sample_point_x = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
sp_tool->sample_point_y = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
|
|
delete_point = TRUE;
|
|
}
|
|
else
|
|
{
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
gint width = gimp_image_get_width (image);
|
|
gint height = gimp_image_get_height (image);
|
|
|
|
sp_tool->sample_point_x = floor (coords->x);
|
|
sp_tool->sample_point_y = floor (coords->y);
|
|
|
|
if (sp_tool->sample_point_x < 0 ||
|
|
sp_tool->sample_point_x >= height ||
|
|
sp_tool->sample_point_y < 0 ||
|
|
sp_tool->sample_point_y >= width)
|
|
{
|
|
delete_point = TRUE;
|
|
}
|
|
}
|
|
|
|
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
|
|
|
|
gimp_tool_pop_status (tool, display);
|
|
|
|
if (delete_point)
|
|
{
|
|
gimp_tool_push_status (tool, display,
|
|
sp_tool->sample_point ?
|
|
_("Remove Sample Point") :
|
|
_("Cancel Sample Point"));
|
|
}
|
|
else if (sp_tool->sample_point)
|
|
{
|
|
gimp_tool_push_status_coords (tool, display,
|
|
gimp_tool_control_get_precision (tool->control),
|
|
_("Move Sample Point: "),
|
|
sp_tool->sample_point_x -
|
|
sp_tool->sample_point_old_x,
|
|
", ",
|
|
sp_tool->sample_point_y -
|
|
sp_tool->sample_point_old_y,
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
gimp_tool_push_status_coords (tool, display,
|
|
gimp_tool_control_get_precision (tool->control),
|
|
_("Add Sample Point: "),
|
|
sp_tool->sample_point_x,
|
|
", ",
|
|
sp_tool->sample_point_y,
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_sample_point_tool_draw (GimpDrawTool *draw_tool)
|
|
{
|
|
GimpSamplePointTool *sp_tool = GIMP_SAMPLE_POINT_TOOL (draw_tool);
|
|
|
|
if (sp_tool->sample_point_x != GIMP_SAMPLE_POINT_POSITION_UNDEFINED &&
|
|
sp_tool->sample_point_y != GIMP_SAMPLE_POINT_POSITION_UNDEFINED)
|
|
{
|
|
gimp_draw_tool_add_crosshair (draw_tool,
|
|
sp_tool->sample_point_x,
|
|
sp_tool->sample_point_y);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_sample_point_tool_start (GimpTool *parent_tool,
|
|
GimpDisplay *display,
|
|
GimpSamplePoint *sample_point)
|
|
{
|
|
GimpSamplePointTool *sp_tool;
|
|
GimpTool *tool;
|
|
|
|
sp_tool = g_object_new (GIMP_TYPE_SAMPLE_POINT_TOOL,
|
|
"tool-info", parent_tool->tool_info,
|
|
NULL);
|
|
|
|
tool = GIMP_TOOL (sp_tool);
|
|
|
|
gimp_display_shell_selection_pause (gimp_display_get_shell (display));
|
|
|
|
if (sample_point)
|
|
{
|
|
sp_tool->sample_point = sample_point;
|
|
|
|
gimp_sample_point_get_position (sample_point,
|
|
&sp_tool->sample_point_old_x,
|
|
&sp_tool->sample_point_old_y);
|
|
|
|
sp_tool->sample_point_x = sp_tool->sample_point_old_x;
|
|
sp_tool->sample_point_y = sp_tool->sample_point_old_y;
|
|
}
|
|
else
|
|
{
|
|
sp_tool->sample_point = NULL;
|
|
sp_tool->sample_point_old_x = 0;
|
|
sp_tool->sample_point_old_y = 0;
|
|
sp_tool->sample_point_x = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
sp_tool->sample_point_y = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
|
|
}
|
|
|
|
gimp_tool_set_cursor (tool, display,
|
|
GIMP_CURSOR_MOUSE,
|
|
GIMP_TOOL_CURSOR_COLOR_PICKER,
|
|
GIMP_CURSOR_MODIFIER_MOVE);
|
|
|
|
tool_manager_push_tool (display->gimp, tool);
|
|
|
|
tool->display = display;
|
|
gimp_tool_control_activate (tool->control);
|
|
|
|
gimp_draw_tool_start (GIMP_DRAW_TOOL (sp_tool), display);
|
|
|
|
if (sp_tool->sample_point)
|
|
{
|
|
gimp_tool_push_status_coords (tool, display,
|
|
gimp_tool_control_get_precision (tool->control),
|
|
_("Move Sample Point: "),
|
|
sp_tool->sample_point_x -
|
|
sp_tool->sample_point_old_x,
|
|
", ",
|
|
sp_tool->sample_point_y -
|
|
sp_tool->sample_point_old_y,
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
gimp_tool_push_status_coords (tool, display,
|
|
gimp_tool_control_get_precision (tool->control),
|
|
_("Add Sample Point: "),
|
|
sp_tool->sample_point_x,
|
|
", ",
|
|
sp_tool->sample_point_y,
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
void
|
|
gimp_sample_point_tool_start_new (GimpTool *parent_tool,
|
|
GimpDisplay *display)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TOOL (parent_tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
gimp_sample_point_tool_start (parent_tool, display, NULL);
|
|
}
|
|
|
|
void
|
|
gimp_sample_point_tool_start_edit (GimpTool *parent_tool,
|
|
GimpDisplay *display,
|
|
GimpSamplePoint *sample_point)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TOOL (parent_tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
g_return_if_fail (GIMP_IS_SAMPLE_POINT (sample_point));
|
|
|
|
gimp_sample_point_tool_start (parent_tool, display, sample_point);
|
|
}
|