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vnc: Add a conversion function for bgr888.

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This commit is contained in:
Gabe Black 2014-11-17 01:45:42 -08:00
parent aceeecb192
commit a08cfd797b
2 changed files with 36 additions and 2 deletions
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31
src/base/vnc/convert.cc
View file

@ -52,8 +52,10 @@ VideoConvert::VideoConvert(Mode input_mode, Mode output_mode, int _width,
: inputMode(input_mode), outputMode(output_mode), width(_width),
height(_height)
{
if (inputMode != bgr565 && inputMode != rgb565 && inputMode != bgr8888)
fatal("Only support converting from bgr565, rdb565, and bgr8888\n");
if (inputMode != bgr565 && inputMode != rgb565 &&
inputMode != bgr8888 && inputMode != bgr888)
fatal("Only support converting from bgr565, rdb565, "
"bgr8888 and bgr888\n");
if (outputMode != rgb8888)
fatal("Only support converting to rgb8888\n");
@ -76,6 +78,8 @@ VideoConvert::convert(const uint8_t *fb) const
return m565rgb8888(fb, false);
case bgr8888:
return bgr8888rgb8888(fb);
case bgr888:
return bgr888rgb8888(fb);
default:
panic("Unimplemented Mode\n");
}
@ -136,6 +140,29 @@ VideoConvert::bgr8888rgb8888(const uint8_t *fb) const
return out;
}
uint8_t*
VideoConvert::bgr888rgb8888(const uint8_t *fb) const
{
uint8_t *out = new uint8_t[area() * sizeof(uint32_t)];
uint32_t *out32 = (uint32_t*)out;
typedef uint8_t In24[3];
const In24 *in24 = (In24 *)fb;
for (int x = 0; x < area(); x++) {
Rgb8888 outpx = 0;
outpx.blue = in24[x][0];
outpx.green = in24[x][1];
outpx.red = in24[x][2];
outpx.alpha = 0xFF;
out32[x] = outpx;
}
return out;
}
/*
uint64_t
VideoConvert::getHash(const uint8_t *fb) const

7
src/base/vnc/convert.hh
View file

@ -133,6 +133,13 @@ class VideoConvert
*/
uint8_t* bgr8888rgb8888(const uint8_t *fb) const;
/**
* Convert a bgr888 input to rgb8888.
* @param fb the data to convert
* @return converted data
*/
uint8_t* bgr888rgb8888(const uint8_t *fb) const;
/**
* Convert a bgr565 or rgb565 input to rgb8888.
* @param fb the data to convert