1,4,8,16,24,32位颜色之间的转换
2009-11-17 21:38
344 查看
//
灰度 .299R + .587G + .114B
#define
PIXEL_GREY(r,g,b) (u8)(((u16)r*77 + (u16)g*150 + (u16)b*29) >> 8)
//
获得 R5G6B5 红色分量
INLINE u8 R565( u16 clr )
{
return
(clr
&
0xF800
)
>>
8
;
}
//
获得 R5G6B5 绿色分量
INLINE u8 G565( u16 clr )
{
return
(clr
&
0x07E0
)
>>
3
;
}
//
获得 R5G6B5 蓝色分量
INLINE u8 B565( u16 clr )
{
return
(clr
&
0x001F
)
<<
3
;
}
//
获得 A1R5G5B5 红色分量
INLINE u8 R1555( u16 clr )
{
return
(clr
&
0x7C00
)
>>
7
;
}
//
获得 A1R5G5B5 绿色分量
INLINE u8 G1555( u16 clr )
{
return
(clr
&
0x03E0
)
>>
2
;
}
//
获得 A1R5G5B5 蓝色分量
INLINE u8 B1555( u16 clr )
{
return
(clr
&
0x001F
)
<<
3
;
}
//
获得 A1R5G5B5 Alpha值
INLINE u8 A1555( u16 clr )
{
return
clr
&
0x8000
?
255
:
0
;
}
//
获得 A4R4G4B4 红色分量
INLINE u8 R4444( u16 clr )
{
return
(clr
&
0x0F00
)
>>
8
;
}
//
获得 A4R4G4B4 绿色分量
INLINE u8 G4444( u16 clr )
{
return
(clr
&
0x00F0
);
}
//
获得 A4R4G4B4 蓝色分量
INLINE u8 B4444( u16 clr )
{
return
(clr
&
0xF000
)
<<
4
;
}
//
获得 A4R4G4B4 Alpha值
INLINE u8 A4444( u16 clr )
{
return
(clr
&
0xF000
)
>>
12
;
}
//
由rgb组合成一个32位的RGB
INLINE u32 RGB32( u8 r, u8 g, u8 b )
{
return
u32(r)
<<
16
|
u32(g)
<<
8
|
u32(b)
|
0xFF000000
;
}
//
由argb组合成一个32位的ARGB
INLINE u32 ARGB32( u8 a, u8 r, u8 g, u8 b )
{
return
u32(a)
<<
24
|
u32(r)
<<
16
|
u32(g)
<<
8
|
u32(b);
}
//
------------------------------------------------------------------------------------
//
1位转换到4, 8, 16, 24, 32
//
------------------------------------------------------------------------------------
INLINE u16 _1_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _1_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _1_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_1_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _1_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
4位转换到1, 8, 16, 24, 32
//
------------------------------------------------------------------------------------
INLINE u16 _4_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _4_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _4_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_4_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _4_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
8位转换到16，24，32
//
------------------------------------------------------------------------------------
INLINE u16 _8_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _8_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue)
>>
3
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _8_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_8_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _8_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
)
|
0xFF000000
);
}
//
------------------------------------------------------------------------------------
//
16位转换到8，24，32
//
------------------------------------------------------------------------------------
INLINE u8 _565_to_8( u16 clr )
{
return
PIXEL_GREY( (((clr
&
0xF800
)
>>
11
)
*
0xFF
)
/
0x1F
,
(((clr
&
0x7E0
)
>>
5
)
*
0xFF
)
/
0x3F
,
((clr
&
0x1F
)
*
0xFF
)
/
0x1F
);
}
INLINE u16 _565_to_1555( u16 clr )
{
return
( (clr
&
0xF800
)
>>
1
|
(clr
>>
1
)
&
0x03E0
|
(clr
&
0x001F
)
|
0x8000
);
}
INLINE u16 _565_to_4444( u16 clr )
{
return
( ((clr
&
0xF800
)
>>
4
)
|
((clr
&
0x07E0
)
>>
3
)
|
((clr
&
0x001F
)
>>
1
)
|
0xF000
);
}
INLINE
void
_565_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0xF800
)
>>
11
);
g
=
(u8)((clr
&
0x07E0
)
>>
5
);
b
=
(u8)((clr
&
0x001F
)
<<
3
);
}
INLINE u32 _565_to_32( u16 clr )
{
return
( ((clr
&
0x001F
)
<<
3
)
|
((clr
&
0x07E0
)
<<
5
)
|
((clr
&
0xF800
)
<<
8
)
|
0xFF000000
);
}
INLINE u8 _1555_to_8( u16 clr )
{
return
PIXEL_GREY( (((clr
&
0x7C00
)
>>
10
)
*
0xFF
)
/
0x1F
,
(((clr
&
0x3E0
)
>>
5
)
*
0xFF
)
/
0x1F
,
((clr
&
0x1F
)
*
0xFF
)
/
0x1F
);
}
INLINE u16 _1555_to_565( u16 clr )
{
return
(u16)( ((clr
&
0x7C00
)
<<
1
)
|
((clr
&
0x03E0
)
<<
1
)
|
(clr
&
0x001F
) );
}
INLINE u16 _1555_to_4444( u16 clr )
{
return
( ((clr
&
0x7C00
)
>>
3
)
|
((clr
&
0x03E0
)
>>
2
)
|
((clr
&
0x001F
)
>>
1
)
|
0xF000
);
}
INLINE
void
_1555_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0x7C00
)
>>
10
);
g
=
(u8)((clr
&
0x03E0
)
>>
5
);
b
=
(u8)((clr
&
0x001F
)
<<
3
);
}
INLINE u32 _1555_to_32( u16 clr )
{
return
( ((clr
&
0x001F
)
<<
3
)
|
((clr
&
0x03E0
)
<<
6
)
|
((clr
&
0x7C00
)
<<
9
)
|
0xFF000000
);
}
INLINE u16 _4444_to_565( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
1
)
|
((clr
&
0x00F0
)
<<
3
)
|
((clr
&
0x0F00
)
<<
4
) );
}
INLINE u16 _4444_to_1555( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
1
)
|
((clr
&
0x00F0
)
<<
2
)
|
((clr
&
0x0F00
)
<<
3
)
|
0x8000
);
}
INLINE
void
_4444_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0x0F00
)
>>
8
);
g
=
(u8)((clr
&
0x00F0
)
>>
4
);
b
=
(u8)((clr
&
0x000F
)
<<
4
);
}
INLINE u32 _4444_to_32( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
4
)
|
((clr
&
0x00F0
)
<<
8
)
|
((clr
&
0x0F00
)
<<
12
)
|
((clr
&
0xF000
)
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
24位转换到8，16，32
//
------------------------------------------------------------------------------------
INLINE u8 _24_to_8( u8 r, u8 g, u8 b )
{
return
PIXEL_GREY( b, g, r );
}
INLINE u16 _24_to_565( u8 r, u8 g, u8 b )
{
return
( ((u16)(r
>>
3
)
<<
11
)
|
((u16)(g
>>
2
)
<<
5
)
|
((u16)b
>>
3
) );
}
INLINE u16 _24_to_1555( u8 r, u8 g, u8 b )
{
return
(
0x8000
|
((u16)(r
>>
3
)
<<
10
)
|
((u16)(g
>>
3
)
<<
5
)
|
((u16)b
>>
3
) );
}
INLINE u16 _24_to_4444( u8 r, u8 g, u8 b )
{
return
(
0xF000
|
((u16)(r
>>
4
)
<<
8
)
|
((u16)(g
>>
4
)
<<
4
)
|
((u16)b
>>
4
) );
}
INLINE u32 _24_to_32( u8 r, u8 g, u8 b )
{
return
(
0xFF000000
|
((u16)r
<<
16
)
|
((u16)g
<<
8
)
|
(u16)b );
}
//
------------------------------------------------------------------------------------
//
32位转换到8，16，24
//
------------------------------------------------------------------------------------
INLINE u8 _32_to_8( u32 clr )
{
return
PIXEL_GREY( (clr
&
0xFF
), ((clr
&
0xFF00
)
>>
8
), ((clr
&
0xFF0000
)
>>
16
) );
}
INLINE u16 _32_to_565( u32 clr )
{
return
(u16)( ((clr
&
0xF8
)
>>
3
)
|
((clr
&
0xFC00
)
>>
5
)
|
((clr
&
0xF80000
)
>>
8
) );
}
INLINE u16 _32_to_1555( u32 clr )
{
return
(u16)( ((clr
&
0xF8
)
>>
3
)
|
((clr
&
0xF800
)
>>
6
)
|
((clr
&
0xF80000
)
>>
9
)
|
0x8000
);
}
INLINE u16 _32_to_4444( u32 clr )
{
return
(u16)( ((clr
&
0xF0
)
>>
4
)
|
((clr
&
0xF000
)
>>
8
)
|
((clr
&
0xF00000
)
>>
12
)
|
((clr
&
0xF0000000
)
>>
16
) );
}
INLINE
void
_32_to_24( u32 clr, u8
&
r, u8
&
g, u8
&
b )
{
b
=
(u8)(clr
&
0xFF
);
g
=
(u8)((clr
&
0xFF00
)
>>
8
);
r
=
(u8)((clr
&
0xFF0000
)
>>
16
);
}
灰度 .299R + .587G + .114B
#define
PIXEL_GREY(r,g,b) (u8)(((u16)r*77 + (u16)g*150 + (u16)b*29) >> 8)
//
获得 R5G6B5 红色分量
INLINE u8 R565( u16 clr )
{
return
(clr
&
0xF800
)
>>
8
;
}
//
获得 R5G6B5 绿色分量
INLINE u8 G565( u16 clr )
{
return
(clr
&
0x07E0
)
>>
3
;
}
//
获得 R5G6B5 蓝色分量
INLINE u8 B565( u16 clr )
{
return
(clr
&
0x001F
)
<<
3
;
}
//
获得 A1R5G5B5 红色分量
INLINE u8 R1555( u16 clr )
{
return
(clr
&
0x7C00
)
>>
7
;
}
//
获得 A1R5G5B5 绿色分量
INLINE u8 G1555( u16 clr )
{
return
(clr
&
0x03E0
)
>>
2
;
}
//
获得 A1R5G5B5 蓝色分量
INLINE u8 B1555( u16 clr )
{
return
(clr
&
0x001F
)
<<
3
;
}
//
获得 A1R5G5B5 Alpha值
INLINE u8 A1555( u16 clr )
{
return
clr
&
0x8000
?
255
:
0
;
}
//
获得 A4R4G4B4 红色分量
INLINE u8 R4444( u16 clr )
{
return
(clr
&
0x0F00
)
>>
8
;
}
//
获得 A4R4G4B4 绿色分量
INLINE u8 G4444( u16 clr )
{
return
(clr
&
0x00F0
);
}
//
获得 A4R4G4B4 蓝色分量
INLINE u8 B4444( u16 clr )
{
return
(clr
&
0xF000
)
<<
4
;
}
//
获得 A4R4G4B4 Alpha值
INLINE u8 A4444( u16 clr )
{
return
(clr
&
0xF000
)
>>
12
;
}
//
由rgb组合成一个32位的RGB
INLINE u32 RGB32( u8 r, u8 g, u8 b )
{
return
u32(r)
<<
16
|
u32(g)
<<
8
|
u32(b)
|
0xFF000000
;
}
//
由argb组合成一个32位的ARGB
INLINE u32 ARGB32( u8 a, u8 r, u8 g, u8 b )
{
return
u32(a)
<<
24
|
u32(r)
<<
16
|
u32(g)
<<
8
|
u32(b);
}
//
------------------------------------------------------------------------------------
//
1位转换到4, 8, 16, 24, 32
//
------------------------------------------------------------------------------------
INLINE u16 _1_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _1_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _1_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_1_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _1_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
4位转换到1, 8, 16, 24, 32
//
------------------------------------------------------------------------------------
INLINE u16 _4_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _4_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _4_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_4_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _4_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
8位转换到16，24，32
//
------------------------------------------------------------------------------------
INLINE u16 _8_to_565(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
3
)
|
((pal[index].Green
>>
2
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
11
) );
}
INLINE u16 _8_to_1555(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue)
>>
3
|
((pal[index].Green
>>
3
)
<<
5
)
|
((pal[index].Red
>>
3
)
<<
10
)
|
0x8000
);
}
INLINE u16 _8_to_4444(
const
PALETTE
*
pal, u16 index )
{
return
( (pal[index].Blue
>>
4
)
|
((pal[index].Green
>>
4
)
<<
4
)
|
((pal[index].Red
>>
4
)
<<
8
)
|
0xF000
);
}
INLINE
void
_8_to_24(
const
PALETTE
*
pal, u16 index, u8
&
r, u8
&
g, u8
&
b )
{
b
=
pal[index].Blue;
g
=
pal[index].Green;
r
=
pal[index].Red;
}
INLINE u32 _8_to_32(
const
PALETTE
*
pal, u16 index )
{
return
( pal[index].Blue
|
(pal[index].Green
<<
8
)
|
(pal[index].Red
<<
16
)
|
0xFF000000
);
}
//
------------------------------------------------------------------------------------
//
16位转换到8，24，32
//
------------------------------------------------------------------------------------
INLINE u8 _565_to_8( u16 clr )
{
return
PIXEL_GREY( (((clr
&
0xF800
)
>>
11
)
*
0xFF
)
/
0x1F
,
(((clr
&
0x7E0
)
>>
5
)
*
0xFF
)
/
0x3F
,
((clr
&
0x1F
)
*
0xFF
)
/
0x1F
);
}
INLINE u16 _565_to_1555( u16 clr )
{
return
( (clr
&
0xF800
)
>>
1
|
(clr
>>
1
)
&
0x03E0
|
(clr
&
0x001F
)
|
0x8000
);
}
INLINE u16 _565_to_4444( u16 clr )
{
return
( ((clr
&
0xF800
)
>>
4
)
|
((clr
&
0x07E0
)
>>
3
)
|
((clr
&
0x001F
)
>>
1
)
|
0xF000
);
}
INLINE
void
_565_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0xF800
)
>>
11
);
g
=
(u8)((clr
&
0x07E0
)
>>
5
);
b
=
(u8)((clr
&
0x001F
)
<<
3
);
}
INLINE u32 _565_to_32( u16 clr )
{
return
( ((clr
&
0x001F
)
<<
3
)
|
((clr
&
0x07E0
)
<<
5
)
|
((clr
&
0xF800
)
<<
8
)
|
0xFF000000
);
}
INLINE u8 _1555_to_8( u16 clr )
{
return
PIXEL_GREY( (((clr
&
0x7C00
)
>>
10
)
*
0xFF
)
/
0x1F
,
(((clr
&
0x3E0
)
>>
5
)
*
0xFF
)
/
0x1F
,
((clr
&
0x1F
)
*
0xFF
)
/
0x1F
);
}
INLINE u16 _1555_to_565( u16 clr )
{
return
(u16)( ((clr
&
0x7C00
)
<<
1
)
|
((clr
&
0x03E0
)
<<
1
)
|
(clr
&
0x001F
) );
}
INLINE u16 _1555_to_4444( u16 clr )
{
return
( ((clr
&
0x7C00
)
>>
3
)
|
((clr
&
0x03E0
)
>>
2
)
|
((clr
&
0x001F
)
>>
1
)
|
0xF000
);
}
INLINE
void
_1555_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0x7C00
)
>>
10
);
g
=
(u8)((clr
&
0x03E0
)
>>
5
);
b
=
(u8)((clr
&
0x001F
)
<<
3
);
}
INLINE u32 _1555_to_32( u16 clr )
{
return
( ((clr
&
0x001F
)
<<
3
)
|
((clr
&
0x03E0
)
<<
6
)
|
((clr
&
0x7C00
)
<<
9
)
|
0xFF000000
);
}
INLINE u16 _4444_to_565( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
1
)
|
((clr
&
0x00F0
)
<<
3
)
|
((clr
&
0x0F00
)
<<
4
) );
}
INLINE u16 _4444_to_1555( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
1
)
|
((clr
&
0x00F0
)
<<
2
)
|
((clr
&
0x0F00
)
<<
3
)
|
0x8000
);
}
INLINE
void
_4444_to_24( u16 clr, u8
&
r, u8
&
g, u8
&
b )
{
r
=
(u8)((clr
&
0x0F00
)
>>
8
);
g
=
(u8)((clr
&
0x00F0
)
>>
4
);
b
=
(u8)((clr
&
0x000F
)
<<
4
);
}
INLINE u32 _4444_to_32( u16 clr )
{
return
( ((clr
&
0x000F
)
<<
4
)
|
((clr
&
0x00F0
)
<<
8
)
|
((clr
&
0x0F00
)
<<
12
)
|
((clr
&
0xF000
)
<<
16
) );
}
//
------------------------------------------------------------------------------------
//
24位转换到8，16，32
//
------------------------------------------------------------------------------------
INLINE u8 _24_to_8( u8 r, u8 g, u8 b )
{
return
PIXEL_GREY( b, g, r );
}
INLINE u16 _24_to_565( u8 r, u8 g, u8 b )
{
return
( ((u16)(r
>>
3
)
<<
11
)
|
((u16)(g
>>
2
)
<<
5
)
|
((u16)b
>>
3
) );
}
INLINE u16 _24_to_1555( u8 r, u8 g, u8 b )
{
return
(
0x8000
|
((u16)(r
>>
3
)
<<
10
)
|
((u16)(g
>>
3
)
<<
5
)
|
((u16)b
>>
3
) );
}
INLINE u16 _24_to_4444( u8 r, u8 g, u8 b )
{
return
(
0xF000
|
((u16)(r
>>
4
)
<<
8
)
|
((u16)(g
>>
4
)
<<
4
)
|
((u16)b
>>
4
) );
}
INLINE u32 _24_to_32( u8 r, u8 g, u8 b )
{
return
(
0xFF000000
|
((u16)r
<<
16
)
|
((u16)g
<<
8
)
|
(u16)b );
}
//
------------------------------------------------------------------------------------
//
32位转换到8，16，24
//
------------------------------------------------------------------------------------
INLINE u8 _32_to_8( u32 clr )
{
return
PIXEL_GREY( (clr
&
0xFF
), ((clr
&
0xFF00
)
>>
8
), ((clr
&
0xFF0000
)
>>
16
) );
}
INLINE u16 _32_to_565( u32 clr )
{
return
(u16)( ((clr
&
0xF8
)
>>
3
)
|
((clr
&
0xFC00
)
>>
5
)
|
((clr
&
0xF80000
)
>>
8
) );
}
INLINE u16 _32_to_1555( u32 clr )
{
return
(u16)( ((clr
&
0xF8
)
>>
3
)
|
((clr
&
0xF800
)
>>
6
)
|
((clr
&
0xF80000
)
>>
9
)
|
0x8000
);
}
INLINE u16 _32_to_4444( u32 clr )
{
return
(u16)( ((clr
&
0xF0
)
>>
4
)
|
((clr
&
0xF000
)
>>
8
)
|
((clr
&
0xF00000
)
>>
12
)
|
((clr
&
0xF0000000
)
>>
16
) );
}
INLINE
void
_32_to_24( u32 clr, u8
&
r, u8
&
g, u8
&
b )
{
b
=
(u8)(clr
&
0xFF
);
g
=
(u8)((clr
&
0xFF00
)
>>
8
);
r
=
(u8)((clr
&
0xFF0000
)
>>
16
);
}
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