You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

86 lines
2.5 KiB

/*
* Copyright (C) 2016 The Android Open Source Project
* Copyright (C) 2016 Mopria Alliance, Inc.
* Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __IFC_WPRINT_H__
#define __IFC_WPRINT_H__
#include "wprint_msgq.h"
#include "wtypes.h"
#ifdef __cplusplus
extern "C"
{
#endif
/*
* An interface for capturing job data as it is spooled for debugging purposes
*/
typedef struct {
void (*debug_start_job)(wJob_t job_handle, const char *ext);
void (*debug_job_data)(wJob_t job_handle, const unsigned char *buff, unsigned long nbytes);
void (*debug_end_job)(wJob_t job_handle);
void (*debug_start_page)(wJob_t job_handle, int page_number, int width, int height);
void (*debug_page_data)(wJob_t job_handle, const unsigned char *buff, unsigned long nbytes);
void (*debug_end_page)(wJob_t job_handle);
} ifc_wprint_debug_stream_t;
/*
* Interface for global wprint functions
*/
typedef struct {
/*
* Create a FIFO message queue
*/
msg_q_id (*msgQCreate)(int max_mesgs, int max_msg_length);
/*
* Delete a previously created message queue. Returns OK or ERROR.
*/
status_t (*msgQDelete)(msg_q_id msgQ);
/**
* Sends a message to a message queue. Returns OK or ERROR.
*/
status_t (*msgQSend)(msg_q_id msgQ, const char *buffer, unsigned long nbytes, int timeout,
int priority);
/**
* Collects a message, returning 0 if successful. timeout may be WAIT_FOREVER or NO_WAIT.
*/
status_t (*msgQReceive)(msg_q_id msgQ, char *buffer, unsigned long max_nbytes, int timeout);
/**
* Returns the number of messages in the queue or ERROR.
*/
int (*msgQNumMsgs)(msg_q_id msgQ);
/*
* Returns an interface used for debugging data delivered for a job
*/
const ifc_wprint_debug_stream_t *(*get_debug_stream_ifc)(wJob_t id);
} ifc_wprint_t;
#ifdef __cplusplus
}
#endif
#endif // __IFC_WPRINT_H__