1ecbb94b2c
In the unified-transform, scale, and perspective tools, take the
maximal transform-grid handle size into account when readjusting
the transform, so that the handles themselves are fully within view
under arbitrary rotation, rather than just the corners.
(cherry picked from commit 46e16e175c)
95 lines
4.2 KiB
C
95 lines
4.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimptooltransformgrid.h
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* Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_TOOL_TRANSFORM_GRID_H__
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#define __GIMP_TOOL_TRANSFORM_GRID_H__
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#include "gimpcanvashandle.h"
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#include "gimptoolwidget.h"
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#define GIMP_TOOL_TRANSFORM_GRID_MAX_HANDLE_SIZE \
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(1.5 * GIMP_CANVAS_HANDLE_SIZE_LARGE)
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typedef enum
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{
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GIMP_TRANSFORM_HANDLE_NONE,
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GIMP_TRANSFORM_HANDLE_NW_P, /* north west perspective */
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GIMP_TRANSFORM_HANDLE_NE_P, /* north east perspective */
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GIMP_TRANSFORM_HANDLE_SW_P, /* south west perspective */
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GIMP_TRANSFORM_HANDLE_SE_P, /* south east perspective */
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GIMP_TRANSFORM_HANDLE_NW, /* north west */
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GIMP_TRANSFORM_HANDLE_NE, /* north east */
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GIMP_TRANSFORM_HANDLE_SW, /* south west */
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GIMP_TRANSFORM_HANDLE_SE, /* south east */
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GIMP_TRANSFORM_HANDLE_N, /* north */
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GIMP_TRANSFORM_HANDLE_S, /* south */
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GIMP_TRANSFORM_HANDLE_E, /* east */
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GIMP_TRANSFORM_HANDLE_W, /* west */
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GIMP_TRANSFORM_HANDLE_CENTER, /* center for moving */
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GIMP_TRANSFORM_HANDLE_PIVOT, /* pivot for rotation and scaling */
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GIMP_TRANSFORM_HANDLE_N_S, /* north shearing */
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GIMP_TRANSFORM_HANDLE_S_S, /* south shearing */
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GIMP_TRANSFORM_HANDLE_E_S, /* east shearing */
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GIMP_TRANSFORM_HANDLE_W_S, /* west shearing */
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GIMP_TRANSFORM_HANDLE_ROTATION, /* rotation */
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GIMP_N_TRANSFORM_HANDLES /* keep this last so *handles[] is the right size */
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} GimpTransformHandle;
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#define GIMP_TYPE_TOOL_TRANSFORM_GRID (gimp_tool_transform_grid_get_type ())
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#define GIMP_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGrid))
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#define GIMP_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGridClass))
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#define GIMP_IS_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID))
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#define GIMP_IS_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TOOL_TRANSFORM_GRID))
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#define GIMP_TOOL_TRANSFORM_GRID_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGridClass))
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typedef struct _GimpToolTransformGrid GimpToolTransformGrid;
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typedef struct _GimpToolTransformGridPrivate GimpToolTransformGridPrivate;
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typedef struct _GimpToolTransformGridClass GimpToolTransformGridClass;
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struct _GimpToolTransformGrid
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{
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GimpToolWidget parent_instance;
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GimpToolTransformGridPrivate *private;
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};
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struct _GimpToolTransformGridClass
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{
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GimpToolWidgetClass parent_class;
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};
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GType gimp_tool_transform_grid_get_type (void) G_GNUC_CONST;
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GimpToolWidget * gimp_tool_transform_grid_new (GimpDisplayShell *shell,
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const GimpMatrix3 *transform,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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#endif /* __GIMP_TOOL_TRANSFORM_GRID_H__ */
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