gimp/app/tools/gimpsourcetool.c

373 lines
12 KiB
C

/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpchannel.h"
#include "core/gimpimage.h"
#include "core/gimptoolinfo.h"
#include "paint/gimpclone.h"
#include "paint/gimpcloneoptions.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimppropwidgets.h"
#include "display/gimpdisplay.h"
#include "gimpclonetool.h"
#include "gimppaintoptions-gui.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
#define TARGET_WIDTH 15
#define TARGET_HEIGHT 15
static void gimp_clone_tool_class_init (GimpCloneToolClass *klass);
static void gimp_clone_tool_init (GimpCloneTool *tool);
static GObject * gimp_clone_tool_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_clone_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_clone_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_clone_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_clone_tool_draw (GimpDrawTool *draw_tool);
static void gimp_clone_init_callback (GimpClone *clone,
gpointer data);
static void gimp_clone_finish_callback (GimpClone *clone,
gpointer data);
static void gimp_clone_pretrace_callback (GimpClone *clone,
gpointer data);
static void gimp_clone_posttrace_callback (GimpClone *clone,
gpointer data);
static GtkWidget * gimp_clone_options_gui (GimpToolOptions *tool_options);
static GimpPaintToolClass *parent_class;
/* public functions */
void
gimp_clone_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_CLONE_TOOL,
GIMP_TYPE_CLONE_OPTIONS,
gimp_clone_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK |
GIMP_CONTEXT_PATTERN_MASK,
"gimp-clone-tool",
_("Clone"),
_("Paint using Patterns or Image Regions"),
N_("/Tools/Paint Tools/_Clone"), "C",
NULL, GIMP_HELP_TOOL_CLONE,
GIMP_STOCK_TOOL_CLONE,
data);
}
GType
gimp_clone_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpCloneToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_clone_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpCloneTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_clone_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_PAINT_TOOL,
"GimpCloneTool",
&tool_info, 0);
}
return tool_type;
}
/* static functions */
static void
gimp_clone_tool_class_init (GimpCloneToolClass *klass)
{
GObjectClass *object_class;
GimpToolClass *tool_class;
GimpDrawToolClass *draw_tool_class;
object_class = G_OBJECT_CLASS (klass);
tool_class = GIMP_TOOL_CLASS (klass);
draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_clone_tool_constructor;
tool_class->button_press = gimp_clone_tool_button_press;
tool_class->motion = gimp_clone_tool_motion;
tool_class->cursor_update = gimp_clone_tool_cursor_update;
draw_tool_class->draw = gimp_clone_tool_draw;
}
static void
gimp_clone_tool_init (GimpCloneTool *clone)
{
GimpTool *tool;
GimpPaintTool *paint_tool;
tool = GIMP_TOOL (clone);
paint_tool = GIMP_PAINT_TOOL (clone);
gimp_tool_control_set_tool_cursor (tool->control, GIMP_CLONE_TOOL_CURSOR);
}
static GObject *
gimp_clone_tool_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpPaintTool *paint_tool;
GimpClone *clone_core;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
paint_tool = GIMP_PAINT_TOOL (object);
clone_core = GIMP_CLONE (paint_tool->core);
clone_core->init_callback = gimp_clone_init_callback;
clone_core->finish_callback = gimp_clone_finish_callback;
clone_core->pretrace_callback = gimp_clone_pretrace_callback;
clone_core->posttrace_callback = gimp_clone_posttrace_callback;
clone_core->callback_data = object;
return object;
}
static void
gimp_clone_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpPaintTool *paint_tool;
paint_tool = GIMP_PAINT_TOOL (tool);
if ((state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) == GDK_CONTROL_MASK)
GIMP_CLONE (paint_tool->core)->set_source = TRUE;
else
GIMP_CLONE (paint_tool->core)->set_source = FALSE;
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
gdisp);
}
static void
gimp_clone_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpPaintTool *paint_tool;
paint_tool = GIMP_PAINT_TOOL (tool);
if ((state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) == GDK_CONTROL_MASK)
GIMP_CLONE (paint_tool->core)->set_source = TRUE;
else
GIMP_CLONE (paint_tool->core)->set_source = FALSE;
GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state, gdisp);
}
void
gimp_clone_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpCloneOptions *options;
GdkCursorType ctype = GIMP_MOUSE_CURSOR;
options = (GimpCloneOptions *) tool->tool_info->tool_options;
if (gimp_display_coords_in_active_drawable (gdisp, coords))
{
GimpChannel *selection = gimp_image_get_mask (gdisp->gimage);
/* One more test--is there a selected region?
* if so, is cursor inside?
*/
if (gimp_channel_is_empty (selection))
ctype = GIMP_MOUSE_CURSOR;
else if (gimp_channel_value (selection, coords->x, coords->y))
ctype = GIMP_MOUSE_CURSOR;
}
if (options->clone_type == GIMP_IMAGE_CLONE)
{
if ((state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) == GDK_CONTROL_MASK)
ctype = GIMP_CROSSHAIR_SMALL_CURSOR;
else if (! GIMP_CLONE (GIMP_PAINT_TOOL (tool)->core)->src_drawable)
ctype = GIMP_BAD_CURSOR;
}
gimp_tool_control_set_cursor (tool->control, ctype);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
}
static void
gimp_clone_tool_draw (GimpDrawTool *draw_tool)
{
GimpTool *tool;
tool = GIMP_TOOL (draw_tool);
if (gimp_tool_control_is_active (tool->control))
{
GimpCloneOptions *options;
options = (GimpCloneOptions *) tool->tool_info->tool_options;
if (draw_tool->gdisp && options->clone_type == GIMP_IMAGE_CLONE)
{
GimpClone *clone;
clone = GIMP_CLONE (GIMP_PAINT_TOOL (draw_tool)->core);
if (clone->src_drawable)
{
gint off_x;
gint off_y;
gimp_item_offsets (GIMP_ITEM (clone->src_drawable),
&off_x, &off_y);
gimp_draw_tool_draw_handle (draw_tool,
GIMP_HANDLE_CROSS,
clone->src_x + off_x,
clone->src_y + off_y,
TARGET_WIDTH, TARGET_WIDTH,
GTK_ANCHOR_CENTER,
FALSE);
}
}
}
else
{
GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
}
}
static void
gimp_clone_init_callback (GimpClone *clone,
gpointer data)
{
gimp_draw_tool_start (GIMP_DRAW_TOOL (data),
GIMP_TOOL (data)->gdisp);
}
static void
gimp_clone_finish_callback (GimpClone *clone,
gpointer data)
{
gimp_draw_tool_stop (GIMP_DRAW_TOOL (data));
}
static void
gimp_clone_pretrace_callback (GimpClone *clone,
gpointer data)
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (data));
}
static void
gimp_clone_posttrace_callback (GimpClone *clone,
gpointer data)
{
gimp_draw_tool_resume (GIMP_DRAW_TOOL (data));
}
/* tool options stuff */
static GtkWidget *
gimp_clone_options_gui (GimpToolOptions *tool_options)
{
GObject *config;
GtkWidget *vbox;
GtkWidget *frame;
config = G_OBJECT (tool_options);
vbox = gimp_paint_options_gui (tool_options);
frame = gimp_prop_enum_radio_frame_new (config, "clone-type",
_("Source"),
0, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
frame = gimp_prop_enum_radio_frame_new (config, "align-mode",
_("Alignment"),
0, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
return vbox;
}