21b8007b29
such as masks and outlines. The cache is currently very stupid and only cacheds the last transformed object. Add caches to GimpBrush for its mask, its pixmap and its boundary, and remove the same caches and a ton of members from GimpBrushCore. This involves adding lots of const qualifiers because GimpBrush returns const pointers now for trasnformed stuff.
123 lines
4.0 KiB
C
123 lines
4.0 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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#include "config.h"
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#include <glib-object.h>
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#include <cairo.h>
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#include "core-types.h"
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#include "base/boundary.h"
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#include "base/pixel-region.h"
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#include "base/temp-buf.h"
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#include "gimpbezierdesc.h"
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#include "gimpbrush.h"
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#include "gimpbrush-boundary.h"
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static GimpBezierDesc *
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gimp_brush_transform_boundary_exact (GimpBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gdouble hardness)
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{
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const TempBuf *mask;
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mask = gimp_brush_transform_mask (brush,
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scale, aspect_ratio, angle, hardness);
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if (mask)
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{
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PixelRegion maskPR;
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BoundSeg *bound_segs;
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gint n_bound_segs;
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pixel_region_init_temp_buf (&maskPR, (TempBuf *) mask,
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0, 0, mask->width, mask->height);
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bound_segs = boundary_find (&maskPR, BOUNDARY_WITHIN_BOUNDS,
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0, 0, maskPR.w, maskPR.h,
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0,
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&n_bound_segs);
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if (bound_segs)
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{
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BoundSeg *stroke_segs;
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gint n_stroke_groups;
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stroke_segs = boundary_sort (bound_segs, n_bound_segs,
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&n_stroke_groups);
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g_free (bound_segs);
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if (stroke_segs)
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{
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GimpBezierDesc *path;
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path = gimp_bezier_desc_new_from_bound_segs (stroke_segs,
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n_bound_segs,
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n_stroke_groups);
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g_free (stroke_segs);
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return path;
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}
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}
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}
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return NULL;
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}
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static GimpBezierDesc *
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gimp_brush_transform_boundary_approx (GimpBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gdouble hardness)
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{
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return gimp_brush_transform_boundary_exact (brush,
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scale, aspect_ratio,
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angle, hardness);
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}
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GimpBezierDesc *
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gimp_brush_real_transform_boundary (GimpBrush *brush,
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gdouble scale,
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gdouble aspect_ratio,
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gdouble angle,
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gdouble hardness,
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gint *width,
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gint *height)
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{
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gimp_brush_transform_size (brush, scale, aspect_ratio, angle,
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width, height);
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if (*width < 256 && *height < 256)
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{
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return gimp_brush_transform_boundary_exact (brush,
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scale, aspect_ratio,
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angle, hardness);
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}
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return gimp_brush_transform_boundary_approx (brush,
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scale, aspect_ratio,
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angle, hardness);
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}
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