/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 .
*/
#include "config.h"
#include
#include
#include "libpikamath/pikamath.h"
#include "libpikawidgets/pikawidgets.h"
#include "tools-types.h"
#include "core/pika-transform-utils.h"
#include "core/pikaimage.h"
#include "paint/pikaperspectiveclone.h"
#include "paint/pikaperspectivecloneoptions.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikaviewablebox.h"
#include "widgets/pikawidgets-utils.h"
#include "display/pikacanvasgroup.h"
#include "display/pikadisplay.h"
#include "display/pikatooltransformgrid.h"
#include "pikaperspectiveclonetool.h"
#include "pikacloneoptions-gui.h"
#include "pikatoolcontrol.h"
#include "pika-intl.h"
/* index into trans_info array */
enum
{
X0,
Y0,
X1,
Y1,
X2,
Y2,
X3,
Y3,
PIVOT_X,
PIVOT_Y
};
static void pika_perspective_clone_tool_constructed (GObject *object);
static gboolean pika_perspective_clone_tool_initialize (PikaTool *tool,
PikaDisplay *display,
GError **error);
static gboolean pika_perspective_clone_tool_has_display (PikaTool *tool,
PikaDisplay *display);
static PikaDisplay *
pika_perspective_clone_tool_has_image (PikaTool *tool,
PikaImage *image);
static void pika_perspective_clone_tool_control (PikaTool *tool,
PikaToolAction action,
PikaDisplay *display);
static void pika_perspective_clone_tool_button_press (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaButtonPressType press_type,
PikaDisplay *display);
static void pika_perspective_clone_tool_button_release (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaButtonReleaseType release_type,
PikaDisplay *display);
static void pika_perspective_clone_tool_motion (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaDisplay *display);
static void pika_perspective_clone_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display);
static void pika_perspective_clone_tool_cursor_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
PikaDisplay *display);
static void pika_perspective_clone_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display);
static void pika_perspective_clone_tool_options_notify (PikaTool *tool,
PikaToolOptions *options,
const GParamSpec *pspec);
static void pika_perspective_clone_tool_draw (PikaDrawTool *draw_tool);
static void pika_perspective_clone_tool_halt (PikaPerspectiveCloneTool *clone_tool);
static void pika_perspective_clone_tool_bounds (PikaPerspectiveCloneTool *clone_tool,
PikaDisplay *display);
static void pika_perspective_clone_tool_prepare (PikaPerspectiveCloneTool *clone_tool);
static void pika_perspective_clone_tool_recalc_matrix (PikaPerspectiveCloneTool *clone_tool,
PikaToolWidget *widget);
static void pika_perspective_clone_tool_widget_changed (PikaToolWidget *widget,
PikaPerspectiveCloneTool *clone_tool);
static void pika_perspective_clone_tool_widget_status (PikaToolWidget *widget,
const gchar *status,
PikaPerspectiveCloneTool *clone_tool);
static GtkWidget *
pika_perspective_clone_options_gui (PikaToolOptions *tool_options);
G_DEFINE_TYPE (PikaPerspectiveCloneTool, pika_perspective_clone_tool,
PIKA_TYPE_BRUSH_TOOL)
#define parent_class pika_perspective_clone_tool_parent_class
void
pika_perspective_clone_tool_register (PikaToolRegisterCallback callback,
gpointer data)
{
(* callback) (PIKA_TYPE_PERSPECTIVE_CLONE_TOOL,
PIKA_TYPE_PERSPECTIVE_CLONE_OPTIONS,
pika_perspective_clone_options_gui,
PIKA_PAINT_OPTIONS_CONTEXT_MASK |
PIKA_CONTEXT_PROP_MASK_PATTERN,
"pika-perspective-clone-tool",
_("Perspective Clone"),
_("Perspective Clone Tool: Clone from an image source "
"after applying a perspective transformation"),
N_("_Perspective Clone"), NULL,
NULL, PIKA_HELP_TOOL_PERSPECTIVE_CLONE,
PIKA_ICON_TOOL_PERSPECTIVE_CLONE,
data);
}
static void
pika_perspective_clone_tool_class_init (PikaPerspectiveCloneToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
PikaDrawToolClass *draw_tool_class = PIKA_DRAW_TOOL_CLASS (klass);
object_class->constructed = pika_perspective_clone_tool_constructed;
tool_class->initialize = pika_perspective_clone_tool_initialize;
tool_class->has_display = pika_perspective_clone_tool_has_display;
tool_class->has_image = pika_perspective_clone_tool_has_image;
tool_class->control = pika_perspective_clone_tool_control;
tool_class->button_press = pika_perspective_clone_tool_button_press;
tool_class->button_release = pika_perspective_clone_tool_button_release;
tool_class->motion = pika_perspective_clone_tool_motion;
tool_class->modifier_key = pika_perspective_clone_tool_modifier_key;
tool_class->cursor_update = pika_perspective_clone_tool_cursor_update;
tool_class->oper_update = pika_perspective_clone_tool_oper_update;
tool_class->options_notify = pika_perspective_clone_tool_options_notify;
draw_tool_class->draw = pika_perspective_clone_tool_draw;
}
static void
pika_perspective_clone_tool_init (PikaPerspectiveCloneTool *clone_tool)
{
PikaTool *tool = PIKA_TOOL (clone_tool);
pika_tool_control_set_action_object_2 (tool->control,
"context-pattern-select-set");
pika_matrix3_identity (&clone_tool->transform);
pika_paint_tool_enable_multi_paint (PIKA_PAINT_TOOL (clone_tool));
}
static void
pika_perspective_clone_tool_constructed (GObject *object)
{
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
pika_paint_tool_set_active (PIKA_PAINT_TOOL (object), FALSE);
}
static gboolean
pika_perspective_clone_tool_initialize (PikaTool *tool,
PikaDisplay *display,
GError **error)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaImage *image = pika_display_get_image (display);
GList *drawables;
if (! PIKA_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
drawables = pika_image_get_selected_drawables (image);
if (g_list_length (drawables) == 0)
{
pika_tool_message_literal (tool, display, _("No selected drawables."));
g_list_free (drawables);
return FALSE;
}
if (display != tool->display)
{
PikaDisplayShell *shell = pika_display_get_shell (display);
gint i;
tool->display = display;
tool->drawables = drawables;
/* Find the transform bounds initializing */
pika_perspective_clone_tool_bounds (clone_tool, display);
pika_perspective_clone_tool_prepare (clone_tool);
/* Recalculate the transform tool */
pika_perspective_clone_tool_recalc_matrix (clone_tool, NULL);
clone_tool->widget =
pika_tool_transform_grid_new (shell,
&clone_tool->transform,
clone_tool->x1,
clone_tool->y1,
clone_tool->x2,
clone_tool->y2);
g_object_set (clone_tool->widget,
"pivot-x", (clone_tool->x1 + clone_tool->x2) / 2.0,
"pivot-y", (clone_tool->y1 + clone_tool->y2) / 2.0,
"inside-function", PIKA_TRANSFORM_FUNCTION_MOVE,
"outside-function", PIKA_TRANSFORM_FUNCTION_ROTATE,
"use-corner-handles", TRUE,
"use-perspective-handles", TRUE,
"use-side-handles", TRUE,
"use-shear-handles", TRUE,
"use-pivot-handle", TRUE,
NULL);
g_signal_connect (clone_tool->widget, "changed",
G_CALLBACK (pika_perspective_clone_tool_widget_changed),
clone_tool);
g_signal_connect (clone_tool->widget, "status",
G_CALLBACK (pika_perspective_clone_tool_widget_status),
clone_tool);
/* start drawing the bounding box and handles... */
if (pika_draw_tool_is_active (PIKA_DRAW_TOOL (tool)))
pika_draw_tool_stop (PIKA_DRAW_TOOL (tool));
pika_draw_tool_start (PIKA_DRAW_TOOL (tool), display);
/* Save the current transformation info */
for (i = 0; i < TRANS_INFO_SIZE; i++)
clone_tool->old_trans_info[i] = clone_tool->trans_info[i];
}
else
{
g_list_free (drawables);
}
return TRUE;
}
static gboolean
pika_perspective_clone_tool_has_display (PikaTool *tool,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
return (display == clone_tool->src_display ||
PIKA_TOOL_CLASS (parent_class)->has_display (tool, display));
}
static PikaDisplay *
pika_perspective_clone_tool_has_image (PikaTool *tool,
PikaImage *image)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaDisplay *display;
display = PIKA_TOOL_CLASS (parent_class)->has_image (tool, image);
if (! display && clone_tool->src_display)
{
if (image && pika_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
pika_perspective_clone_tool_control (PikaTool *tool,
PikaToolAction action,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
switch (action)
{
case PIKA_TOOL_ACTION_PAUSE:
case PIKA_TOOL_ACTION_RESUME:
break;
case PIKA_TOOL_ACTION_HALT:
pika_perspective_clone_tool_halt (clone_tool);
break;
case PIKA_TOOL_ACTION_COMMIT:
break;
}
PIKA_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static void
pika_perspective_clone_tool_button_press (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaButtonPressType press_type,
PikaDisplay *display)
{
PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (tool);
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPerspectiveClone *clone = PIKA_PERSPECTIVE_CLONE (paint_tool->core);
PikaSourceCore *source_core = PIKA_SOURCE_CORE (clone);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
pika_tool_widget_hover (clone_tool->widget, coords, state, TRUE);
if (pika_tool_widget_button_press (clone_tool->widget, coords,
time, state, press_type))
{
clone_tool->grab_widget = clone_tool->widget;
}
}
pika_tool_control_activate (tool->control);
}
else
{
GdkModifierType extend_mask = pika_get_extend_selection_mask ();
GdkModifierType toggle_mask = pika_get_toggle_behavior_mask ();
gdouble nnx, nny;
pika_draw_tool_pause (PIKA_DRAW_TOOL (tool));
if ((state & (toggle_mask | extend_mask)) == toggle_mask)
{
source_core->set_source = TRUE;
clone_tool->src_display = display;
}
else
{
source_core->set_source = FALSE;
}
PIKA_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
/* Set the coordinates for the reference cross */
pika_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
pika_draw_tool_resume (PIKA_DRAW_TOOL (tool));
}
}
static void
pika_perspective_clone_tool_button_release (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaButtonReleaseType release_type,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
switch (options->clone_mode)
{
case PIKA_PERSPECTIVE_CLONE_MODE_ADJUST:
pika_tool_control_halt (tool->control);
if (clone_tool->grab_widget)
{
pika_tool_widget_button_release (clone_tool->grab_widget,
coords, time, state, release_type);
clone_tool->grab_widget = NULL;
}
break;
case PIKA_PERSPECTIVE_CLONE_MODE_PAINT:
PIKA_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state,
release_type, display);
break;
}
}
static void
pika_perspective_clone_tool_motion (PikaTool *tool,
const PikaCoords *coords,
guint32 time,
GdkModifierType state,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (tool);
PikaPerspectiveClone *clone = PIKA_PERSPECTIVE_CLONE (paint_tool->core);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->grab_widget)
{
pika_tool_widget_motion (clone_tool->grab_widget, coords, time, state);
}
}
else if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_PAINT)
{
gdouble nnx, nny;
pika_draw_tool_pause (PIKA_DRAW_TOOL (tool));
PIKA_TOOL_CLASS (parent_class)->motion (tool, coords, time, state,
display);
/* Set the coordinates for the reference cross */
pika_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
pika_draw_tool_resume (PIKA_DRAW_TOOL (tool));
}
}
static void
pika_perspective_clone_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_PAINT &&
key == pika_get_toggle_behavior_mask ())
{
if (press)
{
clone_tool->saved_precision =
pika_tool_control_get_precision (tool->control);
pika_tool_control_set_precision (tool->control,
PIKA_CURSOR_PRECISION_PIXEL_CENTER);
}
else
{
pika_tool_control_set_precision (tool->control,
clone_tool->saved_precision);
}
}
PIKA_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state,
display);
}
static void
pika_perspective_clone_tool_cursor_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPerspectiveCloneOptions *options;
PikaImage *image;
PikaToolClass *tool_class;
PikaCursorType cursor = PIKA_CURSOR_MOUSE;
PikaToolCursorType tool_cursor = PIKA_TOOL_CURSOR_NONE;
PikaCursorModifier modifier = PIKA_CURSOR_MODIFIER_NONE;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
image = pika_display_get_image (display);
if (pika_image_coords_in_active_pickable (image, coords,
FALSE, FALSE, TRUE))
{
cursor = PIKA_CURSOR_MOUSE;
}
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
if (display == tool->display)
{
pika_tool_widget_get_cursor (clone_tool->widget,
coords, state,
&cursor, &tool_cursor, &modifier);
}
}
}
else
{
GdkModifierType extend_mask = pika_get_extend_selection_mask ();
GdkModifierType toggle_mask = pika_get_toggle_behavior_mask ();
if ((state & (toggle_mask | extend_mask)) == toggle_mask)
{
cursor = PIKA_CURSOR_CROSSHAIR_SMALL;
}
else if (! PIKA_SOURCE_OPTIONS (options)->src_drawables)
{
modifier = PIKA_CURSOR_MODIFIER_BAD;
}
tool_cursor = PIKA_TOOL_CURSOR_CLONE;
}
pika_tool_control_set_cursor (tool->control, cursor);
pika_tool_control_set_tool_cursor (tool->control, tool_cursor);
pika_tool_control_set_cursor_modifier (tool->control, modifier);
/* If we are in adjust mode, skip the PikaBrushClass when chaining up.
* This ensures that the cursor will be set regardless of
* PikaBrushTool::show_cursor (see bug #354933).
*/
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
tool_class = PIKA_TOOL_CLASS (g_type_class_peek_parent (parent_class));
else
tool_class = PIKA_TOOL_CLASS (parent_class);
tool_class->cursor_update (tool, coords, state, display);
}
static void
pika_perspective_clone_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
if (display == tool->display)
{
pika_tool_widget_hover (clone_tool->widget, coords, state,
proximity);
}
}
}
else
{
PIKA_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
proximity, display);
if (proximity)
{
PikaPaintCore *core = PIKA_PAINT_TOOL (tool)->core;
PikaPerspectiveClone *clone = PIKA_PERSPECTIVE_CLONE (core);
PikaSourceCore *source_core = PIKA_SOURCE_CORE (core);
if (PIKA_SOURCE_OPTIONS (options)->src_drawables == NULL)
{
pika_tool_replace_status (tool, display,
_("Ctrl-Click to set a clone source"));
}
else
{
pika_draw_tool_pause (PIKA_DRAW_TOOL (tool));
g_object_get (options,
"src-x", &clone_tool->src_x,
"src-y", &clone_tool->src_y,
NULL);
if (! source_core->first_stroke)
{
if (PIKA_SOURCE_OPTIONS (options)->align_mode ==
PIKA_SOURCE_ALIGN_YES)
{
gdouble nnx, nny;
/* Set the coordinates for the reference cross */
pika_perspective_clone_get_source_point (clone,
coords->x,
coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
}
}
pika_draw_tool_resume (PIKA_DRAW_TOOL (tool));
}
}
}
}
static void
pika_perspective_clone_tool_options_notify (PikaTool *tool,
PikaToolOptions *options,
const GParamSpec *pspec)
{
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (tool);
PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (tool);
PikaPerspectiveCloneOptions *clone_options;
clone_options = PIKA_PERSPECTIVE_CLONE_OPTIONS (options);
PIKA_TOOL_CLASS (parent_class)->options_notify (tool, options, pspec);
if (! strcmp (pspec->name, "clone-mode"))
{
PikaPerspectiveClone *clone;
clone = PIKA_PERSPECTIVE_CLONE (PIKA_PAINT_TOOL (tool)->core);
pika_draw_tool_pause (PIKA_DRAW_TOOL (clone_tool));
if (clone_options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_PAINT)
{
pika_perspective_clone_set_transform (clone, &clone_tool->transform);
pika_paint_tool_set_active (paint_tool, TRUE);
}
else
{
pika_paint_tool_set_active (paint_tool, FALSE);
pika_tool_control_set_precision (tool->control,
PIKA_CURSOR_PRECISION_SUBPIXEL);
/* start drawing the bounding box and handles... */
if (tool->display &&
! pika_draw_tool_is_active (PIKA_DRAW_TOOL (clone_tool)))
{
pika_draw_tool_start (PIKA_DRAW_TOOL (clone_tool), tool->display);
}
}
pika_draw_tool_resume (PIKA_DRAW_TOOL (clone_tool));
}
}
static void
pika_perspective_clone_tool_draw (PikaDrawTool *draw_tool)
{
PikaTool *tool = PIKA_TOOL (draw_tool);
PikaPerspectiveCloneTool *clone_tool = PIKA_PERSPECTIVE_CLONE_TOOL (draw_tool);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == PIKA_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
PikaCanvasItem *item = pika_tool_widget_get_item (clone_tool->widget);
pika_draw_tool_add_item (draw_tool, item);
}
}
else
{
PikaCanvasGroup *stroke_group;
stroke_group = pika_draw_tool_add_stroke_group (draw_tool);
/* draw the bounding box */
pika_draw_tool_push_group (draw_tool, stroke_group);
pika_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X0],
clone_tool->trans_info[Y0],
clone_tool->trans_info[X1],
clone_tool->trans_info[Y1]);
pika_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X1],
clone_tool->trans_info[Y1],
clone_tool->trans_info[X3],
clone_tool->trans_info[Y3]);
pika_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X2],
clone_tool->trans_info[Y2],
clone_tool->trans_info[X3],
clone_tool->trans_info[Y3]);
pika_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X2],
clone_tool->trans_info[Y2],
clone_tool->trans_info[X0],
clone_tool->trans_info[Y0]);
pika_draw_tool_pop_group (draw_tool);
}
if (PIKA_SOURCE_OPTIONS (options)->src_drawables && clone_tool->src_display)
{
PikaDisplay *tmp_display;
tmp_display = draw_tool->display;
draw_tool->display = clone_tool->src_display;
pika_draw_tool_add_handle (draw_tool,
PIKA_HANDLE_CROSS,
clone_tool->src_x + 0.5,
clone_tool->src_y + 0.5,
PIKA_TOOL_HANDLE_SIZE_CROSS,
PIKA_TOOL_HANDLE_SIZE_CROSS,
PIKA_HANDLE_ANCHOR_CENTER);
draw_tool->display = tmp_display;
}
PIKA_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
}
static void
pika_perspective_clone_tool_halt (PikaPerspectiveCloneTool *clone_tool)
{
PikaTool *tool = PIKA_TOOL (clone_tool);
PikaPerspectiveCloneOptions *options;
options = PIKA_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
clone_tool->src_display = NULL;
g_object_set (options,
"src-drawables", NULL,
NULL);
if (pika_draw_tool_is_active (PIKA_DRAW_TOOL (tool)))
pika_draw_tool_stop (PIKA_DRAW_TOOL (tool));
g_clear_object (&clone_tool->widget);
tool->display = NULL;
g_list_free (tool->drawables);
tool->drawables = NULL;
}
static void
pika_perspective_clone_tool_bounds (PikaPerspectiveCloneTool *clone_tool,
PikaDisplay *display)
{
PikaImage *image = pika_display_get_image (display);
clone_tool->x1 = 0;
clone_tool->y1 = 0;
clone_tool->x2 = pika_image_get_width (image);
clone_tool->y2 = pika_image_get_height (image);
}
static void
pika_perspective_clone_tool_prepare (PikaPerspectiveCloneTool *clone_tool)
{
clone_tool->trans_info[PIVOT_X] = (gdouble) (clone_tool->x1 + clone_tool->x2) / 2.0;
clone_tool->trans_info[PIVOT_Y] = (gdouble) (clone_tool->y1 + clone_tool->y2) / 2.0;
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
pika_perspective_clone_tool_recalc_matrix (PikaPerspectiveCloneTool *clone_tool,
PikaToolWidget *widget)
{
pika_matrix3_identity (&clone_tool->transform);
pika_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]);
if (widget)
g_object_set (widget,
"transform", &clone_tool->transform,
"x1", (gdouble) clone_tool->x1,
"y1", (gdouble) clone_tool->y1,
"x2", (gdouble) clone_tool->x2,
"y2", (gdouble) clone_tool->y2,
"pivot-x", clone_tool->trans_info[PIVOT_X],
"pivot-y", clone_tool->trans_info[PIVOT_Y],
NULL);
}
static void
pika_perspective_clone_tool_widget_changed (PikaToolWidget *widget,
PikaPerspectiveCloneTool *clone_tool)
{
PikaMatrix3 *transform;
g_object_get (widget,
"transform", &transform,
"pivot-x", &clone_tool->trans_info[PIVOT_X],
"pivot-y", &clone_tool->trans_info[PIVOT_Y],
NULL);
pika_matrix3_transform_point (transform,
clone_tool->x1, clone_tool->y1,
&clone_tool->trans_info[X0],
&clone_tool->trans_info[Y0]);
pika_matrix3_transform_point (transform,
clone_tool->x2, clone_tool->y1,
&clone_tool->trans_info[X1],
&clone_tool->trans_info[Y1]);
pika_matrix3_transform_point (transform,
clone_tool->x1, clone_tool->y2,
&clone_tool->trans_info[X2],
&clone_tool->trans_info[Y2]);
pika_matrix3_transform_point (transform,
clone_tool->x2, clone_tool->y2,
&clone_tool->trans_info[X3],
&clone_tool->trans_info[Y3]);
g_free (transform);
pika_perspective_clone_tool_recalc_matrix (clone_tool, NULL);
}
static void
pika_perspective_clone_tool_widget_status (PikaToolWidget *widget,
const gchar *status,
PikaPerspectiveCloneTool *clone_tool)
{
PikaTool *tool = PIKA_TOOL (clone_tool);
if (status)
{
pika_tool_replace_status (tool, tool->display, "%s", status);
}
else
{
pika_tool_pop_status (tool, tool->display);
}
}
/* tool options stuff */
static GtkWidget *
pika_perspective_clone_options_gui (PikaToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GtkWidget *vbox = pika_clone_options_gui (tool_options);
GtkWidget *mode;
/* radio buttons to set if you are modifying the perspective plane
* or painting
*/
mode = pika_prop_enum_radio_box_new (config, "clone-mode", 0, 0);
gtk_box_pack_start (GTK_BOX (vbox), mode, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (vbox), mode, 0);
return vbox;
}