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
|
/*****************************************************************************\
Pipeline.cpp : Implementation of Pipeline class
Copyright (c) 1996 - 2015, HP Co.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of HP nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PATENT INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\*****************************************************************************/
/*
* Pipeline.cpp
* hpcups
*
*/
#include "Pipeline.h"
bool Pipeline::NextOutputRaster(RASTERDATA& next_raster)
{
return Exec->NextOutputRaster(next_raster);
}
unsigned int Pipeline::GetMaxOutputWidth()
{
return Exec->GetMaxOutputWidth();
}
///////////////////////////////////////////////////////////
// Pipeline management
Pipeline::Pipeline (Processor *E) :
next(NULL),
prev(NULL) {
Exec = E;
Exec->myphase = this;
} //Pipeline
void Pipeline::AddPhase (Pipeline *newp) {
Pipeline *p = this;
while (p->next) {
p = p->next;
}
p->next = newp;
newp->prev = p;
} //AddPhase
Pipeline::~Pipeline ()
{
} //~Pipeline
bool Pipeline::Process (RASTERDATA *raster)
{
return Exec->Process (raster);
} //Process
DRIVER_ERROR Pipeline::Execute (RASTERDATA *InputRaster)
{
err = NO_ERROR;
if (Process (InputRaster) // true if output ready; may set err
&& (err == NO_ERROR)) {
if (next) {
while ( NextOutputRaster( next->Exec->raster ) ) {
err = next->Execute(&(next->Exec->raster));
ERRCHECK;
}
}
}
return err;
} //Execute
DRIVER_ERROR Pipeline::Flush ()
{
err = NO_ERROR;
Exec->Flush ();
if (next && (err == NO_ERROR)) {
while ( NextOutputRaster( next->Exec->raster ) ) {
err = next->Execute(&(next->Exec->raster));
ERRCHECK;
}
// one more to continue flushing downstream
err = next->Flush ();
}
return err;
} //Flush
|
