u
This commit is contained in:
seb
571
jtlsrv-cpp/.static-build/include/vips/connection.h
Normal file
571
jtlsrv-cpp/.static-build/include/vips/connection.h
Normal file
@@ -0,0 +1,571 @@
|
||||
/* A byte source/sink .. it can be a pipe, socket, or perhaps a node.js stream.
|
||||
*
|
||||
* J.Cupitt, 19/6/14
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
This file is part of VIPS.
|
||||
|
||||
VIPS 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 2 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 Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
||||
|
||||
*/
|
||||
|
||||
#ifndef VIPS_CONNECTION_H
|
||||
#define VIPS_CONNECTION_H
|
||||
|
||||
#include <glib.h>
|
||||
#include <glib-object.h>
|
||||
#include <gio/gio.h>
|
||||
#include <vips/object.h>
|
||||
#include <vips/type.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
#define VIPS_TYPE_CONNECTION (vips_connection_get_type())
|
||||
#define VIPS_CONNECTION(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_CONNECTION, VipsConnection))
|
||||
#define VIPS_CONNECTION_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_CONNECTION, VipsConnectionClass))
|
||||
#define VIPS_IS_CONNECTION(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_CONNECTION))
|
||||
#define VIPS_IS_CONNECTION_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_CONNECTION))
|
||||
#define VIPS_CONNECTION_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_CONNECTION, VipsConnectionClass))
|
||||
|
||||
/* Communicate with something like a socket or pipe.
|
||||
*/
|
||||
typedef struct _VipsConnection {
|
||||
VipsObject parent_object;
|
||||
|
||||
/*< private >*/
|
||||
|
||||
/* Read/write this fd if connected to a system pipe/socket. Override
|
||||
* ::read() and ::write() to do something else.
|
||||
*/
|
||||
int descriptor;
|
||||
|
||||
/* A descriptor we close with vips_tracked_close().
|
||||
*/
|
||||
int tracked_descriptor;
|
||||
|
||||
/* A descriptor we close with close().
|
||||
*/
|
||||
int close_descriptor;
|
||||
|
||||
/* If descriptor is a file, the filename we opened. Handy for error
|
||||
* messages.
|
||||
*/
|
||||
char *filename;
|
||||
|
||||
} VipsConnection;
|
||||
|
||||
typedef struct _VipsConnectionClass {
|
||||
VipsObjectClass parent_class;
|
||||
|
||||
} VipsConnectionClass;
|
||||
|
||||
VIPS_API
|
||||
GType vips_connection_get_type(void);
|
||||
|
||||
VIPS_API
|
||||
const char *vips_connection_filename(VipsConnection *connection);
|
||||
VIPS_API
|
||||
const char *vips_connection_nick(VipsConnection *connection);
|
||||
|
||||
VIPS_API
|
||||
void vips_pipe_read_limit_set(gint64 limit);
|
||||
|
||||
#define VIPS_TYPE_SOURCE (vips_source_get_type())
|
||||
#define VIPS_SOURCE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_SOURCE, VipsSource))
|
||||
#define VIPS_SOURCE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_SOURCE, VipsSourceClass))
|
||||
#define VIPS_IS_SOURCE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_SOURCE))
|
||||
#define VIPS_IS_SOURCE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_SOURCE))
|
||||
#define VIPS_SOURCE_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_SOURCE, VipsSourceClass))
|
||||
|
||||
/* Read from something like a socket, file or memory area and present the data
|
||||
* with a unified seek / read / map interface.
|
||||
*
|
||||
* During the header phase, we save data from unseekable sources in a buffer
|
||||
* so readers can rewind and read again. We don't buffer data during the
|
||||
* decode stage.
|
||||
*/
|
||||
struct _VipsSource {
|
||||
VipsConnection parent_object;
|
||||
|
||||
/* We have two phases:
|
||||
*
|
||||
* During the header phase, we save bytes read from the input (if this
|
||||
* is an unseekable source) so that we can rewind and try again, if
|
||||
* necessary.
|
||||
*
|
||||
* Once we reach decode phase, we no longer support rewind and the
|
||||
* buffer of saved data is discarded.
|
||||
*/
|
||||
gboolean decode;
|
||||
|
||||
/* TRUE if this input is something like a pipe. These don't support
|
||||
* seek or map -- all you can do is read() bytes sequentially.
|
||||
*
|
||||
* If you attempt to map or get the size of a pipe-style input, it'll
|
||||
* get read entirely into memory. Seeks will cause read up to the seek
|
||||
* point.
|
||||
*/
|
||||
gboolean have_tested_seek;
|
||||
gboolean is_pipe;
|
||||
|
||||
/* The current read point and length.
|
||||
*
|
||||
* length is -1 for is_pipe sources.
|
||||
*
|
||||
* off_t can be 32 bits on some platforms, so make sure we have a
|
||||
* full 64.
|
||||
*/
|
||||
gint64 read_position;
|
||||
gint64 length;
|
||||
|
||||
/*< private >*/
|
||||
|
||||
/* For sources where we have the whole image in memory (from a memory
|
||||
* buffer, from mmaping the file, from reading the pipe into memory),
|
||||
* a pointer to the start.
|
||||
*/
|
||||
const void *data;
|
||||
|
||||
/* For is_pipe sources, save data read during header phase here. If
|
||||
* we rewind and try again, serve data from this until it runs out.
|
||||
*
|
||||
* If we need to force the whole pipe into memory, read everything to
|
||||
* this and put a copy of the pointer in data.
|
||||
*/
|
||||
GByteArray *header_bytes;
|
||||
|
||||
/* Save the first few bytes here for file type sniffing.
|
||||
*/
|
||||
GByteArray *sniff;
|
||||
|
||||
/* For a memory source, the blob we read from.
|
||||
*/
|
||||
VipsBlob *blob;
|
||||
|
||||
/* If we mmaped the file, what we need to unmmap on finalize.
|
||||
*/
|
||||
void *mmap_baseaddr;
|
||||
size_t mmap_length;
|
||||
};
|
||||
|
||||
typedef struct _VipsSourceClass {
|
||||
VipsConnectionClass parent_class;
|
||||
|
||||
/* Subclasses can define these to implement other source methods.
|
||||
*/
|
||||
|
||||
/* Read from the source into the supplied buffer, args exactly as
|
||||
* read(2). Set errno on error.
|
||||
*
|
||||
* We must return gint64, since ssize_t is often defined as unsigned
|
||||
* on Windows.
|
||||
*/
|
||||
gint64 (*read)(VipsSource *, void *, size_t);
|
||||
|
||||
/* Seek to a certain position, args exactly as lseek(2). Set errno on
|
||||
* error.
|
||||
*
|
||||
* Unseekable sources should always return -1. VipsSource will then
|
||||
* seek by _read()ing bytes into memory as required.
|
||||
*
|
||||
* We have to use int64 rather than off_t, since we must work on
|
||||
* Windows, where off_t can be 32-bits.
|
||||
*/
|
||||
gint64 (*seek)(VipsSource *, gint64, int);
|
||||
|
||||
} VipsSourceClass;
|
||||
|
||||
VIPS_API
|
||||
GType vips_source_get_type(void);
|
||||
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_descriptor(int descriptor);
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_file(const char *filename);
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_blob(VipsBlob *blob);
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_target(VipsTarget *target);
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_memory(const void *data, size_t size);
|
||||
VIPS_API
|
||||
VipsSource *vips_source_new_from_options(const char *options);
|
||||
|
||||
VIPS_API
|
||||
void vips_source_minimise(VipsSource *source);
|
||||
VIPS_API
|
||||
int vips_source_unminimise(VipsSource *source);
|
||||
VIPS_API
|
||||
int vips_source_decode(VipsSource *source);
|
||||
VIPS_API
|
||||
gint64 vips_source_read(VipsSource *source, void *data, size_t length);
|
||||
VIPS_API
|
||||
gboolean vips_source_is_mappable(VipsSource *source);
|
||||
VIPS_API
|
||||
gboolean vips_source_is_file(VipsSource *source);
|
||||
VIPS_API
|
||||
const void *vips_source_map(VipsSource *source, size_t *length);
|
||||
VIPS_API
|
||||
VipsBlob *vips_source_map_blob(VipsSource *source);
|
||||
VIPS_API
|
||||
gint64 vips_source_seek(VipsSource *source, gint64 offset, int whence);
|
||||
VIPS_API
|
||||
int vips_source_rewind(VipsSource *source);
|
||||
VIPS_API
|
||||
gint64 vips_source_sniff_at_most(VipsSource *source,
|
||||
unsigned char **data, size_t length);
|
||||
VIPS_API
|
||||
unsigned char *vips_source_sniff(VipsSource *source, size_t length);
|
||||
VIPS_API
|
||||
gint64 vips_source_length(VipsSource *source);
|
||||
|
||||
#define VIPS_TYPE_SOURCE_CUSTOM (vips_source_custom_get_type())
|
||||
#define VIPS_SOURCE_CUSTOM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_SOURCE_CUSTOM, VipsSourceCustom))
|
||||
#define VIPS_SOURCE_CUSTOM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_SOURCE_CUSTOM, VipsSourceCustomClass))
|
||||
#define VIPS_IS_SOURCE_CUSTOM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_SOURCE_CUSTOM))
|
||||
#define VIPS_IS_SOURCE_CUSTOM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_SOURCE_CUSTOM))
|
||||
#define VIPS_SOURCE_CUSTOM_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_SOURCE_CUSTOM, VipsSourceCustomClass))
|
||||
|
||||
/* Subclass of source_custom with signals for handlers. This is supposed to be
|
||||
* useful for language bindings.
|
||||
*/
|
||||
typedef struct _VipsSourceCustom {
|
||||
VipsSource parent_object;
|
||||
|
||||
} VipsSourceCustom;
|
||||
|
||||
typedef struct _VipsSourceCustomClass {
|
||||
VipsSourceClass parent_class;
|
||||
|
||||
/* The action signals clients can use to implement read and seek.
|
||||
* We must use gint64 everywhere since there's no G_TYPE_SIZE.
|
||||
*/
|
||||
|
||||
gint64 (*read)(VipsSourceCustom *, void *, gint64);
|
||||
gint64 (*seek)(VipsSourceCustom *, gint64, int);
|
||||
|
||||
} VipsSourceCustomClass;
|
||||
|
||||
VIPS_API
|
||||
GType vips_source_custom_get_type(void);
|
||||
VIPS_API
|
||||
VipsSourceCustom *vips_source_custom_new(void);
|
||||
|
||||
/* A GInputStream that wraps a VipsSource. This lets us eg.
|
||||
* hook librsvg up to libvips using their GInputStream interface.
|
||||
*/
|
||||
|
||||
#define VIPS_TYPE_G_INPUT_STREAM (vips_g_input_stream_get_type())
|
||||
#define VIPS_G_INPUT_STREAM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_G_INPUT_STREAM, VipsGInputStream))
|
||||
#define VIPS_G_INPUT_STREAM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_G_INPUT_STREAM, VipsGInputStreamClass))
|
||||
#define VIPS_IS_G_INPUT_STREAM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_G_INPUT_STREAM))
|
||||
#define VIPS_IS_G_INPUT_STREAM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_G_INPUT_STREAM))
|
||||
#define VIPS_G_INPUT_STREAM_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_G_INPUT_STREAM, VipsGInputStreamClass))
|
||||
|
||||
typedef struct _VipsGInputStream {
|
||||
GInputStream parent_instance;
|
||||
|
||||
/*< private >*/
|
||||
|
||||
/* The VipsSource we wrap.
|
||||
*/
|
||||
VipsSource *source;
|
||||
|
||||
} VipsGInputStream;
|
||||
|
||||
typedef struct _VipsGInputStreamClass {
|
||||
GInputStreamClass parent_class;
|
||||
|
||||
} VipsGInputStreamClass;
|
||||
|
||||
VIPS_API
|
||||
GInputStream *vips_g_input_stream_new_from_source(VipsSource *source);
|
||||
|
||||
/* A VipsSource that wraps a GInputStream. This lets us eg. load PNGs from
|
||||
* GFile objects.
|
||||
*/
|
||||
|
||||
#define VIPS_TYPE_SOURCE_G_INPUT_STREAM (vips_source_g_input_stream_get_type())
|
||||
#define VIPS_SOURCE_G_INPUT_STREAM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_SOURCE_G_INPUT_STREAM, VipsSourceGInputStream))
|
||||
#define VIPS_SOURCE_G_INPUT_STREAM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_SOURCE_G_INPUT_STREAM, VipsSourceGInputStreamClass))
|
||||
#define VIPS_IS_SOURCE_G_INPUT_STREAM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_SOURCE_G_INPUT_STREAM))
|
||||
#define VIPS_IS_SOURCE_G_INPUT_STREAM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_SOURCE_G_INPUT_STREAM))
|
||||
#define VIPS_SOURCE_G_INPUT_STREAM_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_SOURCE_G_INPUT_STREAM, VipsSourceGInputStreamClass))
|
||||
|
||||
typedef struct _VipsSourceGInputStream {
|
||||
VipsSource parent_instance;
|
||||
|
||||
/*< private >*/
|
||||
|
||||
/* The GInputStream we wrap.
|
||||
*/
|
||||
GInputStream *stream;
|
||||
|
||||
GSeekable *seekable;
|
||||
GFileInfo *info;
|
||||
|
||||
} VipsSourceGInputStream;
|
||||
|
||||
typedef struct _VipsSourceGInputStreamClass {
|
||||
VipsSourceClass parent_class;
|
||||
|
||||
} VipsSourceGInputStreamClass;
|
||||
|
||||
VIPS_API
|
||||
VipsSourceGInputStream *vips_source_g_input_stream_new(GInputStream *stream);
|
||||
|
||||
#define VIPS_TYPE_TARGET (vips_target_get_type())
|
||||
#define VIPS_TARGET(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_TARGET, VipsTarget))
|
||||
#define VIPS_TARGET_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_TARGET, VipsTargetClass))
|
||||
#define VIPS_IS_TARGET(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_TARGET))
|
||||
#define VIPS_IS_TARGET_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_TARGET))
|
||||
#define VIPS_TARGET_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_TARGET, VipsTargetClass))
|
||||
|
||||
/* PNG writes in 8kb chunks, so we need to be a little larger than that.
|
||||
*/
|
||||
#define VIPS_TARGET_BUFFER_SIZE (8500)
|
||||
|
||||
/* Output to something like a socket, pipe or memory area.
|
||||
*/
|
||||
struct _VipsTarget {
|
||||
VipsConnection parent_object;
|
||||
|
||||
/*< private >*/
|
||||
|
||||
/* This target should write to memory.
|
||||
*/
|
||||
gboolean memory;
|
||||
|
||||
/* The target has been ended and can no longer be written.
|
||||
*/
|
||||
gboolean ended;
|
||||
|
||||
/* Write memory output here. We use a GString rather than a
|
||||
* GByteArray since we need eg. g_string_overwrite_len().
|
||||
* @position tracks the current write position in this.
|
||||
*/
|
||||
GString *memory_buffer;
|
||||
|
||||
/* And return memory via this blob.
|
||||
*/
|
||||
VipsBlob *blob;
|
||||
|
||||
/* Buffer small writes here. write_point is the index of the next
|
||||
* character to write.
|
||||
*/
|
||||
unsigned char output_buffer[VIPS_TARGET_BUFFER_SIZE];
|
||||
int write_point;
|
||||
|
||||
/* Write position in memory_buffer.
|
||||
*
|
||||
* off_t can be 32 bits on some platforms, so make sure we have a
|
||||
* full 64.
|
||||
*/
|
||||
gint64 position;
|
||||
|
||||
/* Temp targets on the filesystem need deleting, sometimes.
|
||||
*/
|
||||
gboolean delete_on_close;
|
||||
char *delete_on_close_filename;
|
||||
};
|
||||
|
||||
typedef struct _VipsTargetClass {
|
||||
VipsConnectionClass parent_class;
|
||||
|
||||
/* Write to output. Args exactly as write(2).
|
||||
*
|
||||
* We must return gint64, since ssize_t is often defined as unsigned
|
||||
* on Windows.
|
||||
*/
|
||||
gint64 (*write)(VipsTarget *, const void *, size_t);
|
||||
|
||||
/* Deprecated in favour of ::end.
|
||||
*/
|
||||
void (*finish)(VipsTarget *);
|
||||
|
||||
/* libtiff needs to be able to seek and read on targets,
|
||||
* unfortunately.
|
||||
*
|
||||
* This will not work for eg. pipes, of course.
|
||||
*/
|
||||
|
||||
/* Read from the target into the supplied buffer, args exactly as
|
||||
* read(2). Set errno on error.
|
||||
*
|
||||
* We must return gint64, since ssize_t is often defined as unsigned
|
||||
* on Windows.
|
||||
*/
|
||||
gint64 (*read)(VipsTarget *, void *, size_t);
|
||||
|
||||
/* Seek output. Args exactly as lseek(2).
|
||||
*
|
||||
* We have to use int64 rather than off_t, since we must work on
|
||||
* Windows, where off_t can be 32-bits.
|
||||
*/
|
||||
gint64 (*seek)(VipsTarget *, gint64 offset, int whence);
|
||||
|
||||
/* Output has been generated, so do any clearing up,
|
||||
* eg. copy the bytes we saved in memory to the target blob.
|
||||
*/
|
||||
int (*end)(VipsTarget *);
|
||||
|
||||
} VipsTargetClass;
|
||||
|
||||
VIPS_API
|
||||
GType vips_target_get_type(void);
|
||||
|
||||
VIPS_API
|
||||
VipsTarget *vips_target_new_to_descriptor(int descriptor);
|
||||
VIPS_API
|
||||
VipsTarget *vips_target_new_to_file(const char *filename);
|
||||
VIPS_API
|
||||
VipsTarget *vips_target_new_to_memory(void);
|
||||
VIPS_API
|
||||
VipsTarget *vips_target_new_temp(VipsTarget *target);
|
||||
VIPS_API
|
||||
int vips_target_write(VipsTarget *target, const void *data, size_t length);
|
||||
VIPS_API
|
||||
gint64 vips_target_read(VipsTarget *target, void *buffer, size_t length);
|
||||
VIPS_API
|
||||
gint64 vips_target_seek(VipsTarget *target, gint64 offset, int whence);
|
||||
VIPS_API
|
||||
int vips_target_end(VipsTarget *target);
|
||||
VIPS_API
|
||||
unsigned char *vips_target_steal(VipsTarget *target, size_t *length);
|
||||
VIPS_API
|
||||
char *vips_target_steal_text(VipsTarget *target);
|
||||
|
||||
VIPS_API
|
||||
int vips_target_putc(VipsTarget *target, int ch);
|
||||
#define VIPS_TARGET_PUTC(S, C) ( \
|
||||
(S)->write_point < VIPS_TARGET_BUFFER_SIZE \
|
||||
? ((S)->output_buffer[(S)->write_point++] = (C), 0) \
|
||||
: vips_target_putc((S), (C)))
|
||||
VIPS_API
|
||||
int vips_target_writes(VipsTarget *target, const char *str);
|
||||
VIPS_API
|
||||
int vips_target_writef(VipsTarget *target, const char *fmt, ...)
|
||||
G_GNUC_PRINTF(2, 3);
|
||||
VIPS_API
|
||||
int vips_target_write_amp(VipsTarget *target, const char *str);
|
||||
|
||||
#define VIPS_TYPE_TARGET_CUSTOM (vips_target_custom_get_type())
|
||||
#define VIPS_TARGET_CUSTOM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
|
||||
VIPS_TYPE_TARGET_CUSTOM, VipsTargetCustom))
|
||||
#define VIPS_TARGET_CUSTOM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), \
|
||||
VIPS_TYPE_TARGET_CUSTOM, VipsTargetCustomClass))
|
||||
#define VIPS_IS_TARGET_CUSTOM(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_TARGET_CUSTOM))
|
||||
#define VIPS_IS_TARGET_CUSTOM_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_TARGET_CUSTOM))
|
||||
#define VIPS_TARGET_CUSTOM_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), \
|
||||
VIPS_TYPE_TARGET_CUSTOM, VipsTargetCustomClass))
|
||||
|
||||
#define VIPS_TARGET_CUSTOM_BUFFER_SIZE (4096)
|
||||
|
||||
/* Output to something like a socket, pipe or memory area.
|
||||
*/
|
||||
typedef struct _VipsTargetCustom {
|
||||
VipsTarget parent_object;
|
||||
|
||||
} VipsTargetCustom;
|
||||
|
||||
typedef struct _VipsTargetCustomClass {
|
||||
VipsTargetClass parent_class;
|
||||
|
||||
/* The action signals clients can use to implement write and finish.
|
||||
* We must use gint64 everywhere since there's no G_TYPE_SIZE.
|
||||
*/
|
||||
|
||||
gint64 (*write)(VipsTargetCustom *, const void *, gint64);
|
||||
void (*finish)(VipsTargetCustom *);
|
||||
gint64 (*read)(VipsTargetCustom *, void *, gint64);
|
||||
gint64 (*seek)(VipsTargetCustom *, gint64, int);
|
||||
int (*end)(VipsTargetCustom *);
|
||||
|
||||
} VipsTargetCustomClass;
|
||||
|
||||
VIPS_API
|
||||
GType vips_target_custom_get_type(void);
|
||||
VIPS_API
|
||||
VipsTargetCustom *vips_target_custom_new(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
#endif /*VIPS_CONNECTION_H*/
|
||||
Reference in New Issue
Block a user