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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimpbrush-boundary.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/core/gimpbrush-boundary.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/app/core/gimpbrush-boundary.c b/app/core/gimpbrush-boundary.c new file mode 100644 index 0000000..9e5cbaa --- /dev/null +++ b/app/core/gimpbrush-boundary.c @@ -0,0 +1,130 @@ +/* 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 <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <cairo.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimpbezierdesc.h" +#include "gimpboundary.h" +#include "gimpbrush.h" +#include "gimpbrush-boundary.h" +#include "gimptempbuf.h" + + +static GimpBezierDesc * +gimp_brush_transform_boundary_exact (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness) +{ + const GimpTempBuf *mask; + + mask = gimp_brush_transform_mask (brush, + scale, aspect_ratio, + angle, reflect, hardness); + + if (mask) + { + GeglBuffer *buffer; + GimpBoundSeg *bound_segs; + gint n_bound_segs; + + buffer = gimp_temp_buf_create_buffer ((GimpTempBuf *) mask); + + bound_segs = gimp_boundary_find (buffer, NULL, + babl_format ("Y float"), + GIMP_BOUNDARY_WITHIN_BOUNDS, + 0, 0, + gegl_buffer_get_width (buffer), + gegl_buffer_get_height (buffer), + 0.0, + &n_bound_segs); + + g_object_unref (buffer); + + if (bound_segs) + { + GimpBoundSeg *stroke_segs; + gint n_stroke_groups; + + stroke_segs = gimp_boundary_sort (bound_segs, n_bound_segs, + &n_stroke_groups); + + g_free (bound_segs); + + if (stroke_segs) + { + GimpBezierDesc *path; + + path = gimp_bezier_desc_new_from_bound_segs (stroke_segs, + n_bound_segs, + n_stroke_groups); + + g_free (stroke_segs); + + return path; + } + } + } + + return NULL; +} + +static GimpBezierDesc * +gimp_brush_transform_boundary_approx (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness) +{ + return gimp_brush_transform_boundary_exact (brush, + scale, aspect_ratio, + angle, reflect, hardness); +} + +GimpBezierDesc * +gimp_brush_real_transform_boundary (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness, + gint *width, + gint *height) +{ + gimp_brush_transform_size (brush, scale, aspect_ratio, angle, reflect, + width, height); + + if (*width < 256 && *height < 256) + { + return gimp_brush_transform_boundary_exact (brush, + scale, aspect_ratio, + angle, reflect, hardness); + } + + return gimp_brush_transform_boundary_approx (brush, + scale, aspect_ratio, + angle, reflect, hardness); +} |