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cefpython/src/paint_buffer.pyx at cefpython66 · 2php/cefpython · GitHub
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paint_buffer.pyx
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cefpython
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src
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paint_buffer.pyx
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#
Copyright (c) 2013 CEF Python, see the Authors file.
#
All rights reserved. Licensed under BSD 3-clause license.
#
Project website: https://github.com/cztomczak/cefpython
include
"
cefpython.pyx
"
cdef PaintBuffer CreatePaintBuffer(const
void
*
buffer_,
int
width,
int
height):
cdef PaintBuffer paintBuffer
=
PaintBuffer()
paintBuffer.buffer
=
buffer_
paintBuffer.width
=
width
paintBuffer.height
=
height
paintBuffer.length
=
width
*
height
*
4
return
paintBuffer
cdef
class
PaintBuffer:
cdef const
void
*
buffer
cdef public
int
width
cdef public
int
height
cdef public Py_ssize_t length
cpdef uintptr_t GetPointer(
self
)
except
*
:
#
BEFORE MODIFYING CODE:
#
There is an exact copy of this method named "GetIntPointer"
#
(deprecated).
return
<
uintptr_t
>
self
.buffer
cpdef
object
GetBytes(
self
,
str
mode
=
"
bgra
"
,
str
origin
=
"
top-left
"
):
#
BEFORE MODIFYING CODE:
#
There is an exact copy of this method named "GetString" (deprecated).
cdef
void
*
dest
cdef py_bool dest_alloced
=
False
cdef
object
ret
origin
=
origin.lower()
mode
=
mode.lower()
assert
origin
in
(
"
top-left
"
,
"
bottom-left
"
),
"
Invalid origin
"
assert
mode
in
(
"
bgra
"
,
"
rgba
"
),
"
Invalid mode
"
#
To get rid of a Cython warning:
#
| '__pyx_v_dest' may be used uninitialized in this function
dest
=
<
void
*
>
malloc(
0
)
if
mode
==
"
rgba
"
:
if
not
dest_alloced:
dest
=
<
void
*
>
malloc(
self
.length)
dest_alloced
=
True
SwapBufferFromBgraToRgba(dest,
self
.buffer,
self
.width,
self
.height)
if
origin
==
"
bottom-left
"
:
if
not
dest_alloced:
dest
=
<
void
*
>
malloc(
self
.length)
dest_alloced
=
True
FlipBufferUpsideDown(dest,
self
.buffer,
self
.width,
self
.height)
if
dest_alloced:
ret
=
(
<
char
*
>
dest)[:
self
.length]
free(dest)
return
ret
else
:
return
(
<
char
*
>
self
.buffer)[:
self
.length]
#
---- DEPRECATED ---------------------------------------------------------
#
TODO: remove deprecated methods from API reference during next release.
#
TODO: remove deprecated methods after users had time to update code.
cpdef uintptr_t GetIntPointer(
self
)
except
*
:
"""
@deprecated.
"""
return
<
uintptr_t
>
self
.buffer
cpdef
object
GetString(
self
,
str
mode
=
"
bgra
"
,
str
origin
=
"
top-left
"
):
"""
@deprecated.
"""
cdef
void
*
dest
cdef py_bool dest_alloced
=
False
cdef
object
ret
origin
=
origin.lower()
mode
=
mode.lower()
assert
origin
in
(
"
top-left
"
,
"
bottom-left
"
),
"
Invalid origin
"
assert
mode
in
(
"
bgra
"
,
"
rgba
"
),
"
Invalid mode
"
#
To get rid of a Cython warning:
#
| '__pyx_v_dest' may be used uninitialized in this function
dest
=
<
void
*
>
malloc(
0
)
if
mode
==
"
rgba
"
:
if
not
dest_alloced:
dest
=
<
void
*
>
malloc(
self
.length)
dest_alloced
=
True
SwapBufferFromBgraToRgba(dest,
self
.buffer,
self
.width,
self
.height)
if
origin
==
"
bottom-left
"
:
if
not
dest_alloced:
dest
=
<
void
*
>
malloc(
self
.length)
dest_alloced
=
True
FlipBufferUpsideDown(dest,
self
.buffer,
self
.width,
self
.height)
if
dest_alloced:
ret
=
(
<
char
*
>
dest)[:
self
.length]
free(dest)
return
ret
else
:
return
(
<
char
*
>
self
.buffer)[:
self
.length]
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