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gimp/app/tools/gimpperspectiveclonetool.c

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/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp-transform-utils.h"
#include "core/gimpimage.h"
#include "paint/gimpperspectiveclone.h"
#include "paint/gimpperspectivecloneoptions.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewablebox.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpcanvasgroup.h"
#include "display/gimpdisplay.h"
#include "gimpperspectiveclonetool.h"
#include "gimppaintoptions-gui.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
/* index into trans_info array */
enum
{
X0,
Y0,
X1,
Y1,
X2,
Y2,
X3,
Y3
};
static void gimp_perspective_clone_tool_constructed (GObject *object);
static gboolean gimp_perspective_clone_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
static gboolean gimp_perspective_clone_tool_has_display (GimpTool *tool,
GimpDisplay *display);
static GimpDisplay * gimp_perspective_clone_tool_has_image (GimpTool *tool,
GimpImage *image);
static void gimp_perspective_clone_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static void gimp_perspective_clone_tool_halt (GimpPerspectiveCloneTool *clone_tool);
static void gimp_perspective_clone_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display);
static void gimp_perspective_clone_tool_button_release(GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display);
static void gimp_perspective_clone_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display);
static void gimp_perspective_clone_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display);
static void gimp_perspective_clone_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display);
static void gimp_perspective_clone_tool_mode_notify (GimpPerspectiveCloneOptions *options,
GParamSpec *pspec,
GimpPerspectiveCloneTool *clone_tool);
static void gimp_perspective_clone_tool_draw (GimpDrawTool *draw_tool);
static void gimp_perspective_clone_tool_transform_bounding_box (GimpPerspectiveCloneTool *clone_tool);
static void gimp_perspective_clone_tool_bounds (GimpPerspectiveCloneTool *tool,
GimpDisplay *display);
static void gimp_perspective_clone_tool_prepare (GimpPerspectiveCloneTool *clone_tool);
static void gimp_perspective_clone_tool_recalc_matrix (GimpPerspectiveCloneTool *clone_tool);
static GtkWidget * gimp_perspective_clone_options_gui (GimpToolOptions *tool_options);
G_DEFINE_TYPE (GimpPerspectiveCloneTool, gimp_perspective_clone_tool,
GIMP_TYPE_BRUSH_TOOL)
#define parent_class gimp_perspective_clone_tool_parent_class
void
gimp_perspective_clone_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_PERSPECTIVE_CLONE_TOOL,
GIMP_TYPE_PERSPECTIVE_CLONE_OPTIONS,
gimp_perspective_clone_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK |
GIMP_CONTEXT_PATTERN_MASK,
"gimp-perspective-clone-tool",
_("Perspective Clone"),
_("Perspective Clone Tool: Clone from an image source "
"after applying a perspective transformation"),
N_("_Perspective Clone"), NULL,
NULL, GIMP_HELP_TOOL_PERSPECTIVE_CLONE,
GIMP_STOCK_TOOL_PERSPECTIVE_CLONE,
data);
}
static void
gimp_perspective_clone_tool_class_init (GimpPerspectiveCloneToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
object_class->constructed = gimp_perspective_clone_tool_constructed;
tool_class->initialize = gimp_perspective_clone_tool_initialize;
tool_class->has_display = gimp_perspective_clone_tool_has_display;
tool_class->has_image = gimp_perspective_clone_tool_has_image;
tool_class->control = gimp_perspective_clone_tool_control;
tool_class->button_press = gimp_perspective_clone_tool_button_press;
tool_class->button_release = gimp_perspective_clone_tool_button_release;
tool_class->motion = gimp_perspective_clone_tool_motion;
tool_class->cursor_update = gimp_perspective_clone_tool_cursor_update;
tool_class->oper_update = gimp_perspective_clone_tool_oper_update;
draw_tool_class->draw = gimp_perspective_clone_tool_draw;
}
static void
gimp_perspective_clone_tool_init (GimpPerspectiveCloneTool *clone_tool)
{
GimpTool *tool = GIMP_TOOL (clone_tool);
gimp_tool_control_set_action_object_2 (tool->control,
"context/context-pattern-select-set");
gimp_matrix3_identity (&clone_tool->transform);
}
static void
gimp_perspective_clone_tool_constructed (GObject *object)
{
GimpTool *tool = GIMP_TOOL (object);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (object);
GimpPerspectiveCloneOptions *options;
G_OBJECT_CLASS (parent_class)->constructed (object);
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
g_signal_connect_object (options,
"notify::clone-mode",
G_CALLBACK (gimp_perspective_clone_tool_mode_notify),
clone_tool, 0);
gimp_perspective_clone_tool_mode_notify (options, NULL, clone_tool);
}
static gboolean
gimp_perspective_clone_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
if (display != tool->display)
{
GimpImage *image = gimp_display_get_image (display);
gint i;
tool->display = display;
tool->drawable = gimp_image_get_active_drawable (image);
/* Find the transform bounds initializing */
gimp_perspective_clone_tool_bounds (clone_tool, display);
gimp_perspective_clone_tool_prepare (clone_tool);
/* Recalculate the transform tool */
gimp_perspective_clone_tool_recalc_matrix (clone_tool);
/* start drawing the bounding box and handles... */
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
clone_tool->function = TRANSFORM_CREATING;
/* Save the current transformation info */
for (i = 0; i < TRANS_INFO_SIZE; i++)
clone_tool->old_trans_info[i] = clone_tool->trans_info[i];
}
return TRUE;
}
static gboolean
gimp_perspective_clone_tool_has_display (GimpTool *tool,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
return (display == clone_tool->src_display ||
GIMP_TOOL_CLASS (parent_class)->has_display (tool, display));
}
static GimpDisplay *
gimp_perspective_clone_tool_has_image (GimpTool *tool,
GimpImage *image)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpDisplay *display;
display = GIMP_TOOL_CLASS (parent_class)->has_image (tool, image);
if (! display && clone_tool->src_display)
{
if (image && gimp_display_get_image (clone_tool->src_display) == image)
display = clone_tool->src_display;
/* NULL image means any display */
if (! image)
display = clone_tool->src_display;
}
return display;
}
static void
gimp_perspective_clone_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
break;
case GIMP_TOOL_ACTION_RESUME:
/* only in the case that "Modify Polygon" mode is set " */
gimp_perspective_clone_tool_bounds (clone_tool, display);
gimp_perspective_clone_tool_recalc_matrix (clone_tool);
break;
case GIMP_TOOL_ACTION_HALT:
gimp_perspective_clone_tool_halt (clone_tool);
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static void
gimp_perspective_clone_tool_halt (GimpPerspectiveCloneTool *clone_tool)
{
GimpTool *tool = GIMP_TOOL (clone_tool);
clone_tool->src_display = NULL;
g_object_set (GIMP_PAINT_TOOL (tool)->core,
"src-drawable", NULL,
NULL);
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
tool->display = NULL;
tool->drawable = NULL;
}
static void
gimp_perspective_clone_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
switch (options->clone_mode)
{
case GIMP_PERSPECTIVE_CLONE_MODE_ADJUST:
if (clone_tool->function == TRANSFORM_CREATING)
gimp_perspective_clone_tool_oper_update (tool,
coords, state, TRUE, display);
clone_tool->lastx = coords->x;
clone_tool->lasty = coords->y;
gimp_tool_control_activate (tool->control);
break;
case GIMP_PERSPECTIVE_CLONE_MODE_PAINT:
{
GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
if ((state & (toggle_mask | GDK_SHIFT_MASK)) == toggle_mask)
{
source_core->set_source = TRUE;
clone_tool->src_display = display;
}
else
{
source_core->set_source = FALSE;
}
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
break;
}
}
static void
gimp_perspective_clone_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
switch (options->clone_mode)
{
case GIMP_PERSPECTIVE_CLONE_MODE_ADJUST:
gimp_tool_control_halt (tool->control);
break;
case GIMP_PERSPECTIVE_CLONE_MODE_PAINT:
GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state,
release_type, display);
break;
}
}
static void
gimp_perspective_clone_tool_prepare (GimpPerspectiveCloneTool *clone_tool)
{
clone_tool->trans_info[X0] = clone_tool->x1;
clone_tool->trans_info[Y0] = clone_tool->y1;
clone_tool->trans_info[X1] = clone_tool->x2;
clone_tool->trans_info[Y1] = clone_tool->y1;
clone_tool->trans_info[X2] = clone_tool->x1;
clone_tool->trans_info[Y2] = clone_tool->y2;
clone_tool->trans_info[X3] = clone_tool->x2;
clone_tool->trans_info[Y3] = clone_tool->y2;
}
static void
gimp_perspective_clone_tool_recalc_matrix (GimpPerspectiveCloneTool *clone_tool)
{
gimp_matrix3_identity (&clone_tool->transform);
gimp_transform_matrix_perspective (&clone_tool->transform,
clone_tool->x1,
clone_tool->y1,
clone_tool->x2 - clone_tool->x1,
clone_tool->y2 - clone_tool->y1,
clone_tool->trans_info[X0],
clone_tool->trans_info[Y0],
clone_tool->trans_info[X1],
clone_tool->trans_info[Y1],
clone_tool->trans_info[X2],
clone_tool->trans_info[Y2],
clone_tool->trans_info[X3],
clone_tool->trans_info[Y3]);
gimp_perspective_clone_tool_transform_bounding_box (clone_tool);
}
static void
gimp_perspective_clone_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
gdouble diff_x, diff_y;
/* if we are creating, there is nothing to be done so exit. */
if (clone_tool->function == TRANSFORM_CREATING)
return;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
clone_tool->curx = coords->x;
clone_tool->cury = coords->y;
/* recalculate the tool's transformation matrix */
diff_x = clone_tool->curx - clone_tool->lastx;
diff_y = clone_tool->cury - clone_tool->lasty;
switch (clone_tool->function)
{
case TRANSFORM_HANDLE_NW:
clone_tool->trans_info[X0] += diff_x;
clone_tool->trans_info[Y0] += diff_y;
break;
case TRANSFORM_HANDLE_NE:
clone_tool->trans_info[X1] += diff_x;
clone_tool->trans_info[Y1] += diff_y;
break;
case TRANSFORM_HANDLE_SW:
clone_tool->trans_info[X2] += diff_x;
clone_tool->trans_info[Y2] += diff_y;
break;
case TRANSFORM_HANDLE_SE:
clone_tool->trans_info[X3] += diff_x;
clone_tool->trans_info[Y3] += diff_y;
break;
default:
break;
}
gimp_perspective_clone_tool_recalc_matrix (clone_tool);
clone_tool->lastx = clone_tool->curx;
clone_tool->lasty = clone_tool->cury;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
else if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state,
display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
static void
gimp_perspective_clone_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveCloneOptions *options;
GimpImage *image;
GimpToolClass *tool_class;
GimpCursorType cursor = GIMP_CURSOR_MOUSE;
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
image = gimp_display_get_image (display);
if (gimp_image_coords_in_active_pickable (image, coords,
FALSE, TRUE))
{
cursor = GIMP_CURSOR_MOUSE;
}
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
/* perspective cursors */
cursor = gimp_tool_control_get_cursor (tool->control);
switch (clone_tool->function)
{
case TRANSFORM_HANDLE_NW:
cursor = GIMP_CURSOR_CORNER_TOP_LEFT;
break;
case TRANSFORM_HANDLE_NE:
cursor = GIMP_CURSOR_CORNER_TOP_RIGHT;
break;
case TRANSFORM_HANDLE_SW:
cursor = GIMP_CURSOR_CORNER_BOTTOM_LEFT;
break;
case TRANSFORM_HANDLE_SE:
cursor = GIMP_CURSOR_CORNER_BOTTOM_RIGHT;
break;
default:
cursor = GIMP_CURSOR_CROSSHAIR_SMALL;
break;
}
}
else
{
GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
if ((state & (toggle_mask | GDK_SHIFT_MASK)) == toggle_mask)
{
cursor = GIMP_CURSOR_CROSSHAIR_SMALL;
}
else if (! GIMP_SOURCE_CORE (GIMP_PAINT_TOOL (tool)->core)->src_drawable)
{
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
}
gimp_tool_control_set_cursor (tool->control, cursor);
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
/* If we are in adjust mode, skip the GimpBrushClass when chaining up.
* This ensures that the cursor will be set regardless of
* GimpBrushTool::show_cursor (see bug #354933).
*/
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
tool_class = GIMP_TOOL_CLASS (g_type_class_peek_parent (parent_class));
else
tool_class = GIMP_TOOL_CLASS (parent_class);
tool_class->cursor_update (tool, coords, state, display);
}
static void
gimp_perspective_clone_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
gdouble closest_dist;
gdouble dist;
clone_tool->function = TRANSFORM_HANDLE_NONE;
if (display != tool->display)
return;
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx1,
clone_tool->ty1);
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_NW;
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx2,
clone_tool->ty2);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_NE;
}
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx3,
clone_tool->ty3);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_SW;
}
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx4,
clone_tool->ty4);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_SE;
}
}
else
{
GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
proximity, display);
if (proximity)
{
GimpPaintCore *core = GIMP_PAINT_TOOL (tool)->core;
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (core);
if (source_core->src_drawable == NULL)
{
gimp_tool_replace_status (tool, display,
_("Ctrl-Click to set a clone source"));
}
else
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
clone_tool->src_x = source_core->src_x;
clone_tool->src_y = source_core->src_y;
if (! source_core->first_stroke)
{
if (GIMP_SOURCE_OPTIONS (options)->align_mode ==
GIMP_SOURCE_ALIGN_YES)
{
gdouble nnx, nny;
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x,
coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
}
}
static void
gimp_perspective_clone_tool_draw (GimpDrawTool *draw_tool)
{
GimpTool *tool = GIMP_TOOL (draw_tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (draw_tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (tool)->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
GimpCanvasGroup *stroke_group;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
stroke_group = gimp_draw_tool_add_stroke_group (draw_tool);
/* draw the bounding box */
gimp_draw_tool_push_group (draw_tool, stroke_group);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx1, clone_tool->ty1,
clone_tool->tx2, clone_tool->ty2);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx2, clone_tool->ty2,
clone_tool->tx4, clone_tool->ty4);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx3, clone_tool->ty3,
clone_tool->tx4, clone_tool->ty4);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx3, clone_tool->ty3,
clone_tool->tx1, clone_tool->ty1);
gimp_draw_tool_pop_group (draw_tool);
/* draw the tool handles only when they can be used */
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx1, clone_tool->ty1,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx2, clone_tool->ty2,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx3, clone_tool->ty3,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx4, clone_tool->ty4,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
}
if (source_core->src_drawable && clone_tool->src_display)
{
GimpDisplay *tmp_display;
tmp_display = draw_tool->display;
draw_tool->display = clone_tool->src_display;
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
clone_tool->src_x,
clone_tool->src_y,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_HANDLE_ANCHOR_CENTER);
draw_tool->display = tmp_display;
}
GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
}
static void
gimp_perspective_clone_tool_transform_bounding_box (GimpPerspectiveCloneTool *clone_tool)
{
g_return_if_fail (GIMP_IS_PERSPECTIVE_CLONE_TOOL (clone_tool));
gimp_matrix3_transform_point (&clone_tool->transform,
clone_tool->x1,
clone_tool->y1,
&clone_tool->tx1,
&clone_tool->ty1);
gimp_matrix3_transform_point (&clone_tool->transform,
clone_tool->x2,
clone_tool->y1,
&clone_tool->tx2,
&clone_tool->ty2);
gimp_matrix3_transform_point (&clone_tool->transform,
clone_tool->x1,
clone_tool->y2,
&clone_tool->tx3,
&clone_tool->ty3);
gimp_matrix3_transform_point (&clone_tool->transform,
clone_tool->x2,
clone_tool->y2,
&clone_tool->tx4,
&clone_tool->ty4);
}
static void
gimp_perspective_clone_tool_bounds (GimpPerspectiveCloneTool *tool,
GimpDisplay *display)
{
GimpImage *image = gimp_display_get_image (display);
tool->x1 = 0;
tool->y1 = 0;
tool->x2 = gimp_image_get_width (image);
tool->y2 = gimp_image_get_height (image);
}
static void
gimp_perspective_clone_tool_mode_notify (GimpPerspectiveCloneOptions *options,
GParamSpec *pspec,
GimpPerspectiveCloneTool *clone_tool)
{
GimpTool *tool = GIMP_TOOL (clone_tool);
GimpPerspectiveClone *clone;
clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (clone_tool)->core);
gimp_draw_tool_pause (GIMP_DRAW_TOOL (clone_tool));
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
/* GimpPaintTool's notify callback will set the right precision */
g_object_notify (G_OBJECT (options), "hard");
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_CLONE);
gimp_perspective_clone_set_transform (clone, &clone_tool->transform);
}
else
{
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_PERSPECTIVE);
/* start drawing the bounding box and handles... */
if (tool->display &&
! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (clone_tool)))
{
gimp_draw_tool_start (GIMP_DRAW_TOOL (clone_tool), tool->display);
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (clone_tool));
}
/* tool options stuff */
static GtkWidget *
gimp_perspective_clone_options_gui (GimpToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GtkWidget *vbox;
GtkWidget *paint_options;
GtkWidget *frame;
GtkWidget *mode;
GtkWidget *button;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *combo;
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
paint_options = gimp_paint_options_gui (tool_options);
/* radio buttons to set if you are modifying perspe plane or painting */
mode = gimp_prop_enum_radio_box_new (config, "clone-mode", 0, 0);
gtk_box_pack_start (GTK_BOX (vbox), mode, FALSE, FALSE, 0);
gtk_widget_show (mode);
gtk_box_pack_start (GTK_BOX (vbox), paint_options, FALSE, FALSE, 0);
gtk_widget_show (paint_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);
button = gimp_prop_check_button_new (config, "sample-merged",
_("Sample merged"));
gimp_enum_radio_frame_add (GTK_FRAME (frame), button,
GIMP_IMAGE_CLONE, TRUE);
hbox = gimp_prop_pattern_box_new (NULL, GIMP_CONTEXT (tool_options),
NULL, 2,
"pattern-view-type", "pattern-view-size");
gimp_enum_radio_frame_add (GTK_FRAME (frame), hbox,
GIMP_PATTERN_CLONE, TRUE);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Alignment:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
combo = gimp_prop_enum_combo_box_new (config, "align-mode", 0, 0);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
return vbox;
}
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