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Author: LinuxBeaver

compile_bevel_here/README.md

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+
+## Compiling and Installing
+
+### Linux
+
+To compile and install you will need the GEGL header files (`libgegl-dev` on
+Debian based distributions or `gegl` on Arch Linux) and meson (`meson` on
+most distributions).
+
+```bash
+meson setup --buildtype=release build
+ninja -C build
+
+```
+
+If you have an older version of gegl you may need to copy to `~/.local/share/gegl-0.3/plug-ins`
+instead (on Ubuntu 18.04 for example).
+
+
+
+### Windows
+
+The easiest way to compile this project on Windows is by using msys2.  Download
+and install it from here: https://www.msys2.org/
+
+Open a msys2 terminal with `C:\msys64\mingw64.exe`.  Run the following to
+install required build dependencies:
+
+```bash
+pacman --noconfirm -S base-devel mingw-w64-x86_64-toolchain mingw-w64-x86_64-meson mingw-w64-x86_64-gegl
+```
+
+Then build the same way you would on Linux:
+
+```bash
+meson setup --buildtype=release build
+ninja -C build
+```
+
+
+

compile_bevel_here/bevel.c

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+/* This file is an image processing operation for GEGL
+ *
+ * GEGL is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * GEGL 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GEGL; if not, see <https://www.gnu.org/licenses/>.
+ *
+ * Copyright 2006 Øyvind Kolås <pippin@gimp.org>
+ */
+
+#include "config.h"
+#include <glib/gi18n-lib.h>
+
+#ifdef GEGL_PROPERTIES
+
+
+
+property_double (radius1, _("Radius"), 7.0)
+  value_range (1.0, 40.0)
+  ui_range (1.0, 12)
+  ui_gamma (1.5)
+
+
+
+property_double (bevel1, _("Depth Angle"), 90.0)
+    description (_("Elevation angle (degrees)"))
+    value_range (0, 180)
+    ui_meta ("unit", "degree")
+
+property_int (bevel2, _("Depth"), 40)
+    description (_("Filter width"))
+    value_range (1, 100)
+
+
+property_double (th, _("Threshold of the Bevel's Transparency'"), 0.100)
+  value_range (0.0, 1.0)
+  ui_range (0.0, 0.5)
+
+property_double (azimuth, _("Rotate Lighting"), 40.0)
+    description (_("Light angle (degrees)"))
+    value_range (0, 350)
+    ui_meta ("unit", "degree")
+    ui_meta ("direction", "ccw")
+
+
+#else
+
+#define GEGL_OP_META
+#define GEGL_OP_NAME     bevel
+#define GEGL_OP_C_SOURCE bevel.c
+
+#include "gegl-op.h"
+
+static void attach (GeglOperation *operation)
+{
+  GeglNode *gegl = operation->node;
+  GeglNode *input, *output, *blur, *emb, *th;
+
+  input    = gegl_node_get_input_proxy (gegl, "input");
+  output   = gegl_node_get_output_proxy (gegl, "output");
+
+   blur = gegl_node_new_child (gegl,
+                                  "operation", "gegl:gaussian-blur",
+                                  NULL);
+
+
+ emb   = gegl_node_new_child (gegl,
+                                  "operation", "gegl:emboss",
+                                  NULL);
+
+  th = gegl_node_new_child (gegl,
+                                  "operation", "gimp:threshold-alpha",
+                                  NULL);
+
+
+
+  gegl_node_link_many (input, blur, emb, th, output, NULL);
+
+  gegl_operation_meta_redirect (operation, "radius1", blur, "std-dev-x");
+  gegl_operation_meta_redirect (operation, "radius1", blur, "std-dev-y");
+
+  gegl_operation_meta_redirect (operation, "bevelhidden", emb, "");
+
+  gegl_operation_meta_redirect (operation, "bevel1", emb, "elevation");
+
+  gegl_operation_meta_redirect (operation, "bevel2", emb, "depth");
+
+  gegl_operation_meta_redirect (operation, "azimuth", emb, "azimuth");
+
+
+  gegl_operation_meta_redirect (operation, "th", th, "value");
+
+
+}
+
+static void
+gegl_op_class_init (GeglOpClass *klass)
+{
+  GeglOperationClass *operation_class;
+
+  operation_class = GEGL_OPERATION_CLASS (klass);
+
+  operation_class->attach = attach;
+
+  gegl_operation_class_set_keys (operation_class,
+    "name",        "gegl:bevel",
+    "title",       _("Bevel"),
+    "categories",  "Aristic",
+    "reference-hash", "45ed5656a28a512570f0f25sb2ac",
+    "description", _("Bevel Images using GEGL.  Use the multiply blend mode "
+                     ""),
+    NULL);
+}
+
+#endif

compile_bevel_here/build_linux.sh

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+#!/bin/bash
+
+
+meson setup --buildtype=release build && ninja -C build

compile_bevel_here/config.h

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+/*
+ * Autogenerated by the Meson build system.
+ * Do not edit, your changes will be lost.
+ */
+
+#pragma once
+
+#define ARCH_X86 1
+
+#define ARCH_X86_64 1
+
+#define GEGL_LIBRARY "gegl-0.4"
+
+#define GEGL_MAJOR_VERSION 0
+
+#define GEGL_MICRO_VERSION 34
+
+#define GEGL_MINOR_VERSION 4
+
+#undef GEGL_UNSTABLE
+
+#define GETTEXT_PACKAGE "gegl-0.4"
+
+#define HAVE_EXECINFO_H
+
+#define HAVE_FSYNC
+
+#undef HAVE_GEXIV2
+
+#undef HAVE_LUA
+
+#define HAVE_MALLOC_TRIM
+
+#undef HAVE_MRG
+
+#define HAVE_STRPTIME
+
+#define HAVE_UNISTD_H
+

compile_bevel_here/meson.build

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+project('bevel', 'c',
+  version : '0.1',
+  license : 'GPL-3.0-or-later')
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_EFFECTS']
+
+gegl = dependency('gegl-0.3', required : false)
+if not gegl.found()
+    gegl = dependency('gegl-0.4')
+endif
+shlib = shared_library('bevel', 'bevel.c', 'config.h',
+  c_args : lib_args,
+  dependencies : gegl,
+  name_prefix : '',
+)
+
+# Make this library usable as a Meson subproject.
+stroke_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+