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rasky
libvncserver
Commits
e68063f2
Commit
e68063f2
authored
Mar 24, 2004
by
dscho
Browse files
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Plain Diff
add support for pgm and pbm (8-bit and 1-bit grayscale images)
parent
6a1a59f9
Changes
1
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Showing
1 changed file
with
50 additions
and
14 deletions
+50
-14
pnmshow.c
examples/pnmshow.c
+50
-14
No files found.
examples/pnmshow.c
View file @
e68063f2
...
@@ -11,9 +11,11 @@ void HandleKey(rfbBool down,rfbKeySym key,rfbClientPtr cl)
...
@@ -11,9 +11,11 @@ void HandleKey(rfbBool down,rfbKeySym key,rfbClientPtr cl)
int
main
(
int
argc
,
char
**
argv
)
int
main
(
int
argc
,
char
**
argv
)
{
{
FILE
*
in
=
stdin
;
FILE
*
in
=
stdin
;
int
i
,
j
,
k
,
width
,
height
,
paddedWidth
;
int
i
,
j
,
k
,
l
,
width
,
height
,
paddedWidth
;
char
buffer
[
1024
];
char
buffer
[
1024
];
rfbScreenInfoPtr
rfbScreen
;
rfbScreenInfoPtr
rfbScreen
;
enum
{
BW
,
GRAY
,
TRUECOLOUR
}
picType
=
TRUECOLOUR
;
int
bytesPerPixel
,
bitsPerPixelInFile
;
if
(
argc
>
1
)
{
if
(
argc
>
1
)
{
in
=
fopen
(
argv
[
1
],
"rb"
);
in
=
fopen
(
argv
[
1
],
"rb"
);
...
@@ -24,7 +26,16 @@ int main(int argc,char** argv)
...
@@ -24,7 +26,16 @@ int main(int argc,char** argv)
}
}
fgets
(
buffer
,
1024
,
in
);
fgets
(
buffer
,
1024
,
in
);
if
(
strncmp
(
buffer
,
"P6"
,
2
))
{
if
(
!
strncmp
(
buffer
,
"P6"
,
2
))
{
picType
=
TRUECOLOUR
;
bytesPerPixel
=
4
;
bitsPerPixelInFile
=
3
*
8
;
}
else
if
(
!
strncmp
(
buffer
,
"P5"
,
2
))
{
picType
=
GRAY
;
bytesPerPixel
=
1
;
bitsPerPixelInFile
=
1
*
8
;
}
else
if
(
!
strncmp
(
buffer
,
"P4"
,
2
))
{
picType
=
BW
;
bytesPerPixel
=
1
;
bitsPerPixelInFile
=
1
;
}
else
{
printf
(
"Not a ppm.
\n
"
);
printf
(
"Not a ppm.
\n
"
);
exit
(
2
);
exit
(
2
);
}
}
...
@@ -37,7 +48,10 @@ int main(int argc,char** argv)
...
@@ -37,7 +48,10 @@ int main(int argc,char** argv)
/* get width & height */
/* get width & height */
sscanf
(
buffer
,
"%d %d"
,
&
width
,
&
height
);
sscanf
(
buffer
,
"%d %d"
,
&
width
,
&
height
);
rfbLog
(
"Got width %d and height %d.
\n
"
,
width
,
height
);
rfbLog
(
"Got width %d and height %d.
\n
"
,
width
,
height
);
fgets
(
buffer
,
1024
,
in
);
if
(
picType
!=
BW
)
fgets
(
buffer
,
1024
,
in
);
else
width
=
1
+
((
width
-
1
)
|
7
);
/* vncviewers have problems with widths which are no multiple of 4. */
/* vncviewers have problems with widths which are no multiple of 4. */
paddedWidth
=
width
;
paddedWidth
=
width
;
...
@@ -45,7 +59,7 @@ int main(int argc,char** argv)
...
@@ -45,7 +59,7 @@ int main(int argc,char** argv)
paddedWidth
+=
4
-
(
width
&
3
);
paddedWidth
+=
4
-
(
width
&
3
);
/* initialize data for vnc server */
/* initialize data for vnc server */
rfbScreen
=
rfbGetScreen
(
&
argc
,
argv
,
paddedWidth
,
height
,
8
,
3
,
4
);
rfbScreen
=
rfbGetScreen
(
&
argc
,
argv
,
paddedWidth
,
height
,
8
,
(
bitsPerPixelInFile
+
7
)
/
8
,
bytesPerPixel
);
if
(
argc
>
1
)
if
(
argc
>
1
)
rfbScreen
->
desktopName
=
argv
[
1
];
rfbScreen
->
desktopName
=
argv
[
1
];
else
else
...
@@ -57,18 +71,40 @@ int main(int argc,char** argv)
...
@@ -57,18 +71,40 @@ int main(int argc,char** argv)
rfbScreen
->
httpDir
=
"./classes"
;
rfbScreen
->
httpDir
=
"./classes"
;
/* allocate picture and read it */
/* allocate picture and read it */
rfbScreen
->
frameBuffer
=
(
char
*
)
malloc
(
paddedWidth
*
4
*
height
);
rfbScreen
->
frameBuffer
=
(
char
*
)
malloc
(
paddedWidth
*
bytesPerPixel
*
height
);
fread
(
rfbScreen
->
frameBuffer
,
width
*
3
,
height
,
in
);
fread
(
rfbScreen
->
frameBuffer
,
width
*
bitsPerPixelInFile
/
8
,
height
,
in
);
fclose
(
in
);
fclose
(
in
);
/* correct the format to 4 bytes instead of 3 (and pad to paddedWidth) */
if
(
picType
!=
TRUECOLOUR
)
{
for
(
j
=
height
-
1
;
j
>=
0
;
j
--
)
{
rfbScreen
->
rfbServerFormat
.
trueColour
=
FALSE
;
for
(
i
=
width
-
1
;
i
>=
0
;
i
--
)
rfbScreen
->
colourMap
.
count
=
256
;
for
(
k
=
2
;
k
>=
0
;
k
--
)
rfbScreen
->
colourMap
.
is16
=
FALSE
;
rfbScreen
->
frameBuffer
[(
j
*
paddedWidth
+
i
)
*
4
+
k
]
=
rfbScreen
->
colourMap
.
data
.
bytes
=
malloc
(
256
*
3
);
rfbScreen
->
frameBuffer
[(
j
*
width
+
i
)
*
3
+
k
];
for
(
i
=
0
;
i
<
256
;
i
++
)
for
(
i
=
width
*
4
;
i
<
paddedWidth
*
4
;
i
++
)
memset
(
rfbScreen
->
colourMap
.
data
.
bytes
+
3
*
i
,
i
,
3
);
rfbScreen
->
frameBuffer
[
j
*
paddedWidth
*
4
+
i
]
=
0
;
}
switch
(
picType
)
{
case
TRUECOLOUR
:
/* correct the format to 4 bytes instead of 3 (and pad to paddedWidth) */
for
(
j
=
height
-
1
;
j
>=
0
;
j
--
)
{
for
(
i
=
width
-
1
;
i
>=
0
;
i
--
)
for
(
k
=
2
;
k
>=
0
;
k
--
)
rfbScreen
->
frameBuffer
[(
j
*
paddedWidth
+
i
)
*
4
+
k
]
=
rfbScreen
->
frameBuffer
[(
j
*
width
+
i
)
*
3
+
k
];
for
(
i
=
width
*
4
;
i
<
paddedWidth
*
4
;
i
++
)
rfbScreen
->
frameBuffer
[
j
*
paddedWidth
*
4
+
i
]
=
0
;
}
break
;
case
BW
:
/* correct the format from 1 bit to 8 bits */
for
(
j
=
height
-
1
;
j
>=
0
;
j
--
)
for
(
i
=
width
-
1
;
i
>=
0
;
i
-=
8
)
{
l
=
(
unsigned
char
)
rfbScreen
->
frameBuffer
[(
j
*
width
+
i
)
/
8
];
for
(
k
=
7
;
k
>=
0
;
k
--
)
rfbScreen
->
frameBuffer
[
j
*
paddedWidth
+
i
+
7
-
k
]
=
(
l
&
(
1
<<
k
))
?
0
:
255
;
}
break
;
}
}
/* initialize server */
/* initialize server */
...
...
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