3de4d7263a
Add a transform matrix to GimpCanvasBoundary and get rid of the whole BoundSeg transform code in boundary.c and gimpbrushcore.c, it was impossible to get this right on that level. Also fix te extents of GimpCanvasBoundary os it leaves no artifacts.
164 lines
6.7 KiB
C
164 lines
6.7 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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* 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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_BRUSH_CORE_H__
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#define __GIMP_BRUSH_CORE_H__
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#include "gimppaintcore.h"
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#define BRUSH_CORE_SUBSAMPLE 4
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#define BRUSH_CORE_SOLID_SUBSAMPLE 2
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#define BRUSH_CORE_JITTER_LUTSIZE 360
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#define GIMP_TYPE_BRUSH_CORE (gimp_brush_core_get_type ())
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#define GIMP_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCore))
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#define GIMP_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
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#define GIMP_IS_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BRUSH_CORE))
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#define GIMP_IS_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BRUSH_CORE))
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#define GIMP_BRUSH_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
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typedef struct _GimpBrushCoreClass GimpBrushCoreClass;
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struct _GimpBrushCore
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{
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GimpPaintCore parent_instance;
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GimpBrush *main_brush;
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GimpBrush *brush;
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GimpDynamics *dynamics;
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gdouble spacing;
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gdouble scale;
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gdouble angle;
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gdouble hardness;
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gdouble force;
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gdouble aspect_ratio;
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/* brush buffers */
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TempBuf *pressure_brush;
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TempBuf *solid_brushes[BRUSH_CORE_SOLID_SUBSAMPLE][BRUSH_CORE_SOLID_SUBSAMPLE];
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TempBuf *last_solid_brush;
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gboolean solid_cache_invalid;
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TempBuf *transform_brush;
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TempBuf *last_transform_brush;
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gint last_transform_width;
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gint last_transform_height;
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gdouble last_scale;
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gdouble last_angle;
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gdouble last_hardness;
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gdouble last_aspect_ratio;
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TempBuf *transform_pixmap;
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TempBuf *last_transform_pixmap;
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gint last_transform_pixmap_width;
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gint last_transform_pixmap_height;
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TempBuf *kernel_brushes[BRUSH_CORE_SUBSAMPLE + 1][BRUSH_CORE_SUBSAMPLE + 1];
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TempBuf *last_brush_mask;
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gboolean cache_invalid;
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gdouble jitter;
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gdouble jitter_lut_x[BRUSH_CORE_JITTER_LUTSIZE];
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gdouble jitter_lut_y[BRUSH_CORE_JITTER_LUTSIZE];
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GRand *rand;
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/* don't use these... */
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BoundSeg *brush_bound_segs;
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gint n_brush_bound_segs;
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gint brush_bound_width;
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gint brush_bound_height;
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gint transformed_brush_bound_width;
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gint transformed_brush_bound_height;
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};
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struct _GimpBrushCoreClass
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{
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GimpPaintCoreClass parent_class;
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/* Set for tools that don't mind if the brush changes while painting */
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gboolean handles_changing_brush;
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/* Set for tools that don't mind if the brush scales while painting */
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gboolean handles_transforming_brush;
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/* Set for tools that don't mind if the brush scales mid stroke */
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gboolean handles_dynamic_transforming_brush;
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void (* set_brush) (GimpBrushCore *core,
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GimpBrush *brush);
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void (* set_dynamics) (GimpBrushCore *core,
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GimpDynamics *brush);
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};
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GType gimp_brush_core_get_type (void) G_GNUC_CONST;
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void gimp_brush_core_set_brush (GimpBrushCore *core,
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GimpBrush *brush);
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void gimp_brush_core_set_dynamics (GimpBrushCore *core,
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GimpDynamics *dynamics);
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void gimp_brush_core_create_boundary(GimpBrushCore *core,
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GimpPaintOptions *options);
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gboolean gimp_brush_core_get_transform (GimpBrushCore *core,
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GimpMatrix3 *matrix);
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void gimp_brush_core_paste_canvas (GimpBrushCore *core,
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GimpDrawable *drawable,
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const GimpCoords *coords,
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gdouble brush_opacity,
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gdouble image_opacity,
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GimpLayerModeEffects paint_mode,
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GimpBrushApplicationMode brush_hardness,
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gdouble dynamic_hardness,
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GimpPaintApplicationMode mode);
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void gimp_brush_core_replace_canvas (GimpBrushCore *core,
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GimpDrawable *drawable,
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const GimpCoords *coords,
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gdouble brush_opacity,
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gdouble image_opacity,
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GimpBrushApplicationMode brush_hardness,
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gdouble dynamic_hardness,
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GimpPaintApplicationMode mode);
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void gimp_brush_core_color_area_with_pixmap
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(GimpBrushCore *core,
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GimpDrawable *drawable,
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const GimpCoords *coords,
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TempBuf *area,
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GimpBrushApplicationMode mode);
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TempBuf * gimp_brush_core_get_brush_mask (GimpBrushCore *core,
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const GimpCoords *coords,
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GimpBrushApplicationMode brush_hardness,
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gdouble dynamic_hardness);
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void gimp_brush_core_eval_transform_dynamics (GimpPaintCore *paint_core,
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GimpDrawable *drawable,
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GimpPaintOptions *paint_options,
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const GimpCoords *coords);
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#endif /* __GIMP_BRUSH_CORE_H__ */
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