157 lines
8.4 KiB
C
157 lines
8.4 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 __PIKA_BRUSH_H__
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#define __PIKA_BRUSH_H__
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#include "pikadata.h"
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#define PIKA_TYPE_BRUSH (pika_brush_get_type ())
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#define PIKA_BRUSH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_BRUSH, PikaBrush))
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#define PIKA_BRUSH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_BRUSH, PikaBrushClass))
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#define PIKA_IS_BRUSH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_BRUSH))
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#define PIKA_IS_BRUSH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_BRUSH))
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#define PIKA_BRUSH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_BRUSH, PikaBrushClass))
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typedef struct _PikaBrushPrivate PikaBrushPrivate;
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typedef struct _PikaBrushClass PikaBrushClass;
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struct _PikaBrush
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{
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PikaData parent_instance;
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PikaBrushPrivate *priv;
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};
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struct _PikaBrushClass
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{
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PikaDataClass parent_class;
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/* virtual functions */
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void (* begin_use) (PikaBrush *brush);
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void (* end_use) (PikaBrush *brush);
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PikaBrush * (* select_brush) (PikaBrush *brush,
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const PikaCoords *last_coords,
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const PikaCoords *current_coords);
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gboolean (* want_null_motion) (PikaBrush *brush,
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const PikaCoords *last_coords,
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const PikaCoords *current_coords);
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void (* transform_size) (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gint *width,
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gint *height);
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PikaTempBuf * (* transform_mask) (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness);
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PikaTempBuf * (* transform_pixmap) (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness);
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PikaBezierDesc * (* transform_boundary) (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness,
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gint *width,
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gint *height);
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/* signals */
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void (* spacing_changed) (PikaBrush *brush);
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};
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GType pika_brush_get_type (void) G_GNUC_CONST;
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PikaData * pika_brush_new (PikaContext *context,
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const gchar *name);
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PikaData * pika_brush_get_standard (PikaContext *context);
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void pika_brush_begin_use (PikaBrush *brush);
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void pika_brush_end_use (PikaBrush *brush);
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PikaBrush * pika_brush_select_brush (PikaBrush *brush,
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const PikaCoords *last_coords,
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const PikaCoords *current_coords);
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gboolean pika_brush_want_null_motion (PikaBrush *brush,
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const PikaCoords *last_coords,
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const PikaCoords *current_coords);
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/* Gets width and height of a transformed mask of the brush, for
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* provided parameters.
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*/
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void pika_brush_transform_size (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gint *width,
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gint *height);
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const PikaTempBuf * pika_brush_transform_mask (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness);
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const PikaTempBuf * pika_brush_transform_pixmap (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness);
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const PikaBezierDesc * pika_brush_transform_boundary (PikaBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean reflect,
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gdouble hardness,
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gint *width,
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gint *height);
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PikaTempBuf * pika_brush_get_mask (PikaBrush *brush);
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PikaTempBuf * pika_brush_get_pixmap (PikaBrush *brush);
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gint pika_brush_get_width (PikaBrush *brush);
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gint pika_brush_get_height (PikaBrush *brush);
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gint pika_brush_get_spacing (PikaBrush *brush);
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void pika_brush_set_spacing (PikaBrush *brush,
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gint spacing);
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PikaVector2 pika_brush_get_x_axis (PikaBrush *brush);
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PikaVector2 pika_brush_get_y_axis (PikaBrush *brush);
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void pika_brush_flush_blur_caches (PikaBrush *brush);
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gdouble pika_brush_get_blur_hardness (PikaBrush *brush);
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#endif /* __PIKA_BRUSH_H__ */
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