mirror of https://github.com/GNOME/gimp.git
187 lines
6.0 KiB
C
187 lines
6.0 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 <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 "widgets/gimphelp-ids.h"
|
|
#include "widgets/gimpwidgets-utils.h"
|
|
|
|
#include "display/gimpdisplay.h"
|
|
#include "display/gimptoolgui.h"
|
|
|
|
#include "gimpgenerictransformtool.h"
|
|
#include "gimptoolcontrol.h"
|
|
#include "gimptransformoptions.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void gimp_generic_transform_tool_dialog (GimpTransformTool *tr_tool);
|
|
static void gimp_generic_transform_tool_dialog_update (GimpTransformTool *tr_tool);
|
|
static void gimp_generic_transform_tool_prepare (GimpTransformTool *tr_tool);
|
|
static void gimp_generic_transform_tool_recalc_matrix (GimpTransformTool *tr_tool,
|
|
GimpToolWidget *widget);
|
|
|
|
|
|
G_DEFINE_TYPE (GimpGenericTransformTool, gimp_generic_transform_tool,
|
|
GIMP_TYPE_TRANSFORM_TOOL)
|
|
|
|
|
|
static void
|
|
gimp_generic_transform_tool_class_init (GimpGenericTransformToolClass *klass)
|
|
{
|
|
GimpTransformToolClass *trans_class = GIMP_TRANSFORM_TOOL_CLASS (klass);
|
|
|
|
trans_class->dialog = gimp_generic_transform_tool_dialog;
|
|
trans_class->dialog_update = gimp_generic_transform_tool_dialog_update;
|
|
trans_class->prepare = gimp_generic_transform_tool_prepare;
|
|
trans_class->recalc_matrix = gimp_generic_transform_tool_recalc_matrix;
|
|
}
|
|
|
|
static void
|
|
gimp_generic_transform_tool_init (GimpGenericTransformTool *unified_tool)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gimp_generic_transform_tool_dialog (GimpTransformTool *tr_tool)
|
|
{
|
|
GimpGenericTransformTool *generic = GIMP_GENERIC_TRANSFORM_TOOL (tr_tool);
|
|
GtkWidget *frame;
|
|
GtkWidget *vbox;
|
|
GtkWidget *grid;
|
|
GtkWidget *label;
|
|
GtkSizeGroup *size_group;
|
|
gint x, y;
|
|
|
|
frame = gimp_frame_new (_("Transform Matrix"));
|
|
gtk_box_pack_start (GTK_BOX (gimp_tool_gui_get_vbox (tr_tool->gui)), frame,
|
|
FALSE, FALSE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
|
|
gtk_container_add (GTK_CONTAINER (frame), vbox);
|
|
gtk_widget_show (vbox);
|
|
|
|
size_group = gtk_size_group_new (GTK_SIZE_GROUP_BOTH);
|
|
|
|
grid = generic->matrix_grid = gtk_grid_new ();
|
|
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
|
|
gtk_grid_set_column_spacing (GTK_GRID (grid), 2);
|
|
gtk_box_pack_start (GTK_BOX (vbox), grid, TRUE, TRUE, 0);
|
|
gtk_size_group_add_widget (size_group, grid);
|
|
gtk_widget_show (grid);
|
|
|
|
for (y = 0; y < 3; y++)
|
|
{
|
|
for (x = 0; x < 3; x++)
|
|
{
|
|
label = generic->matrix_labels[y][x] = gtk_label_new (" ");
|
|
gtk_label_set_xalign (GTK_LABEL (label), 1.0);
|
|
gtk_label_set_width_chars (GTK_LABEL (label), 12);
|
|
gtk_grid_attach (GTK_GRID (grid), label, x, y, 1, 1);
|
|
gtk_widget_show (label);
|
|
}
|
|
}
|
|
|
|
label = generic->invalid_label = gtk_label_new (_("Invalid transform"));
|
|
gimp_label_set_attributes (GTK_LABEL (label),
|
|
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
|
|
-1);
|
|
gtk_size_group_add_widget (size_group, label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
|
|
|
|
g_object_unref (size_group);
|
|
}
|
|
|
|
static void
|
|
gimp_generic_transform_tool_dialog_update (GimpTransformTool *tr_tool)
|
|
{
|
|
GimpGenericTransformTool *generic = GIMP_GENERIC_TRANSFORM_TOOL (tr_tool);
|
|
|
|
if (tr_tool->transform_valid)
|
|
{
|
|
gint x, y;
|
|
|
|
gtk_widget_show (generic->matrix_grid);
|
|
gtk_widget_hide (generic->invalid_label);
|
|
|
|
for (y = 0; y < 3; y++)
|
|
{
|
|
for (x = 0; x < 3; x++)
|
|
{
|
|
gchar buf[32];
|
|
|
|
g_snprintf (buf, sizeof (buf),
|
|
"%10.5f", tr_tool->transform.coeff[y][x]);
|
|
|
|
gtk_label_set_text (GTK_LABEL (generic->matrix_labels[y][x]), buf);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_show (generic->invalid_label);
|
|
gtk_widget_hide (generic->matrix_grid);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_generic_transform_tool_prepare (GimpTransformTool *tr_tool)
|
|
{
|
|
GimpGenericTransformTool *generic = GIMP_GENERIC_TRANSFORM_TOOL (tr_tool);
|
|
|
|
generic->input_points[0] = (GimpVector2) {tr_tool->x1, tr_tool->y1};
|
|
generic->input_points[1] = (GimpVector2) {tr_tool->x2, tr_tool->y1};
|
|
generic->input_points[2] = (GimpVector2) {tr_tool->x1, tr_tool->y2};
|
|
generic->input_points[3] = (GimpVector2) {tr_tool->x2, tr_tool->y2};
|
|
|
|
memcpy (generic->output_points, generic->input_points,
|
|
sizeof (generic->input_points));
|
|
}
|
|
|
|
static void
|
|
gimp_generic_transform_tool_recalc_matrix (GimpTransformTool *tr_tool,
|
|
GimpToolWidget *widget)
|
|
{
|
|
GimpGenericTransformTool *generic = GIMP_GENERIC_TRANSFORM_TOOL (tr_tool);
|
|
|
|
if (GIMP_GENERIC_TRANSFORM_TOOL_GET_CLASS (generic)->recalc_points)
|
|
{
|
|
GIMP_GENERIC_TRANSFORM_TOOL_GET_CLASS (generic)->recalc_points (generic,
|
|
widget);
|
|
}
|
|
|
|
gimp_matrix3_identity (&tr_tool->transform);
|
|
tr_tool->transform_valid =
|
|
gimp_transform_matrix_generic (&tr_tool->transform,
|
|
generic->input_points,
|
|
generic->output_points);
|
|
}
|