/usr/include/gegl-0.2/gegl-plugin.h is in libgegl-dev 0.2.0-7+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | /* This file is the public operation GEGL API, this API will change to much
* larger degrees than the api provided by gegl.h
*
* 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 <http://www.gnu.org/licenses/>.
*
* 2000-2008 Øyvind Kolås.
*/
#ifndef __GEGL_PLUGIN_H__
#define __GEGL_PLUGIN_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <glib-object.h>
#include <gegl.h>
G_BEGIN_DECLS
/* Extra types needed when coding operations */
typedef struct _GeglOperation GeglOperation;
typedef struct _GeglOperationContext GeglOperationContext;
typedef struct _GeglPad GeglPad;
typedef struct _GeglConnection GeglConnection;
#include <gegl-matrix.h>
#include <gegl-utils.h>
#include <gegl-buffer.h>
#include <gegl-paramspecs.h>
#include <gmodule.h>
typedef struct _GeglModule GeglModule;
typedef struct _GeglModuleInfo GeglModuleInfo;
typedef struct _GeglModuleDB GeglModuleDB;
/***
* Writing GEGL operations
*
*/
/*#include <geglmodule.h>*/
/* increment the ABI version each time one of the following changes:
*
* - the libgeglmodule implementation (if the change affects modules).
* - GeglOperation or one of it's base classes changes. (XXX:-
* should be extended so a range of abi versions are accepted.
*/
#define GEGL_MODULE_ABI_VERSION 0x000A
struct _GeglModuleInfo
{
guint32 abi_version;
};
GType gegl_module_register_type (GTypeModule *module,
GType parent_type,
const gchar *type_name,
const GTypeInfo *type_info,
GTypeFlags flags);
gint gegl_operation_context_get_level (GeglOperationContext *self);
GeglBuffer *gegl_operation_context_get_source (GeglOperationContext *self,
const gchar *padname);
GeglBuffer *gegl_operation_context_get_target (GeglOperationContext *self,
const gchar *padname);
void gegl_operation_context_set_object (GeglOperationContext *context,
const gchar *padname,
GObject *data);
void gegl_operation_context_take_object(GeglOperationContext *context,
const gchar *padname,
GObject *data);
GObject *gegl_operation_context_get_object (GeglOperationContext *context,
const gchar *padname);
void gegl_extension_handler_register (const gchar *extension,
const gchar *handler);
void gegl_extension_handler_register_saver
(const gchar *extension,
const gchar *handler);
const gchar * gegl_extension_handler_get (const gchar *extension);
const gchar * gegl_extension_handler_get_saver (const gchar *extension);
/* code template utility, updates the jacobian matrix using
* a user defined mapping function for displacement, example
* with an identity transform (note that for the identity
* transform this is massive computational overhead that can
* be skipped by passing NULL to the sampler.
*
* #define gegl_unmap(x,y,dx,dy) { dx=x; dy=y; }
*
* gegl_sampler_compute_scale (scale, x, y);
* gegl_unmap(x,y,sample_x,sample_y);
* gegl_buffer_sample (buffer, sample_x, sample_y, scale, dest, format,
* GEGL_SAMPLER_LOHALO);
*
* #undef gegl_unmap // IMPORTANT undefine map macro
*/
#define gegl_sampler_compute_scale(matrix, x, y) \
{ \
float ax, ay, bx, by; \
gegl_unmap(x + 0.5, y, ax, ay); \
gegl_unmap(x - 0.5, y, bx, by); \
matrix.coeff[0][0] = ax - bx; \
matrix.coeff[1][0] = ay - by; \
gegl_unmap(x, y + 0.5, ax, ay); \
gegl_unmap(x, y - 0.5, bx, by); \
matrix.coeff[0][1] = ax - bx; \
matrix.coeff[1][1] = ay - by; \
}
typedef struct
{
GObject parent_instance;
void (* get) (GeglSampler *self,
gdouble x,
gdouble y,
GeglMatrix2 *scale,
void *output);
} SamplerMock;
#define gegl_sampler_get(sampler,x,y,scale,dest) \
((SamplerMock*)(sampler))->get((sampler),(x),(y),(scale),(dest))
#include <glib-object.h>
#include <babl/babl.h>
#include <operation/gegl-operation.h>
#include <operation/gegl-operation-filter.h>
#include <operation/gegl-operation-area-filter.h>
#include <operation/gegl-operation-point-filter.h>
#include <operation/gegl-operation-composer.h>
#include <operation/gegl-operation-composer3.h>
#include <operation/gegl-operation-point-composer.h>
#include <operation/gegl-operation-point-composer3.h>
#include <operation/gegl-operation-point-render.h>
#include <operation/gegl-operation-temporal.h>
#include <operation/gegl-operation-source.h>
#include <operation/gegl-operation-sink.h>
#include <operation/gegl-operation-meta.h>
#include <gegl-lookup.h>
G_END_DECLS
#endif /* __GEGL_PLUGIN_H__ */
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