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o9000
tint2
Commits
89ab1fa6
Commit
89ab1fa6
authored
Nov 15, 2017
by
o9000
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Plain Diff
Taskbar: thumbnails (make sure we are using rgb24)
parent
e597973c
Changes
1
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Showing
1 changed file
with
27 additions
and
3 deletions
+27
-3
window.c
src/util/window.c
+27
-3
No files found.
src/util/window.c
View file @
89ab1fa6
...
...
@@ -424,6 +424,10 @@ cairo_surface_t *screenshot(Window win, size_t size)
fprintf
(
stderr
,
RED
"tint2: !ximg"
RESET
"
\n
"
);
goto
err0
;
}
if
(
ximg
->
bits_per_pixel
!=
24
&&
ximg
->
bits_per_pixel
!=
32
)
{
fprintf
(
stderr
,
RED
"tint2: unusual bits_per_pixel"
RESET
"
\n
"
);
goto
err1
;
}
shminfo
.
shmid
=
shmget
(
IPC_PRIVATE
,
(
size_t
)(
ximg
->
bytes_per_line
*
ximg
->
height
),
IPC_CREAT
|
0777
);
if
(
shminfo
.
shmid
<
0
)
{
fprintf
(
stderr
,
RED
"tint2: !shmget"
RESET
"
\n
"
);
...
...
@@ -475,9 +479,9 @@ cairo_surface_t *screenshot(Window win, size_t size)
const
size_t
offset_y7
=
5
*
ystep
/
8
;
const
size_t
offset_x7
=
3
*
xstep
/
16
;
const
size_t
rmask
=
ximg
->
red_mask
;
const
size_t
gmask
=
ximg
->
green_mask
;
const
size_t
bmask
=
ximg
->
blue_mask
;
const
u_int32_t
rmask
=
(
u_int32_t
)
ximg
->
red_mask
;
const
u_int32_t
gmask
=
(
u_int32_t
)
ximg
->
green_mask
;
const
u_int32_t
bmask
=
(
u_int32_t
)
ximg
->
blue_mask
;
for
(
size_t
yt
=
0
,
y
=
0
;
yt
<
th
;
yt
++
,
y
+=
ystep
)
{
for
(
size_t
xt
=
0
,
x
=
0
;
xt
<
fw
;
xt
++
,
x
+=
xstep
)
{
size_t
j
=
yt
*
tw
+
ox
+
xt
;
...
...
@@ -500,6 +504,26 @@ cairo_surface_t *screenshot(Window win, size_t size)
data
[
j
]
=
(
r
&
rmask
)
|
(
g
&
gmask
)
|
(
b
&
bmask
);
}
}
// Convert to argb32
if
(
rmask
&
0xff0000
)
{
// argb32 or rgb24 => Nothing to do
}
else
if
(
rmask
&
0xff
)
{
// bgr24
for
(
size_t
i
=
0
;
i
<
tw
*
th
;
i
++
)
{
u_int32_t
r
=
(
data
[
i
]
&
rmask
)
<<
16
;
u_int32_t
g
=
(
data
[
i
]
&
gmask
);
u_int32_t
b
=
(
data
[
i
]
&
bmask
)
>>
16
;
data
[
i
]
=
(
r
&
0xff0000
)
|
(
g
&
0x00ff00
)
|
(
b
&
0x0000ff
);
}
}
else
if
(
rmask
&
0xff00
)
{
// bgra32
for
(
size_t
i
=
0
;
i
<
tw
*
th
;
i
++
)
{
u_int32_t
r
=
(
data
[
i
]
&
rmask
)
<<
8
;
u_int32_t
g
=
(
data
[
i
]
&
gmask
)
>>
8
;
u_int32_t
b
=
(
data
[
i
]
&
bmask
)
>>
24
;
data
[
i
]
=
(
r
&
0xff0000
)
|
(
g
&
0x00ff00
)
|
(
b
&
0x0000ff
);
}
}
// 2nd pass
smooth_thumbnail
(
result
);
...
...
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