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Added RGBA4 format to BMP file writer

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This commit is contained in:
Bart Trzynadlowski 2016-09-07 01:25:27 +00:00
parent 3df3610361
commit e21ea93319
1 changed files with 22 additions and 1 deletions

23
Src/Util/BMPFile.h
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@ -113,7 +113,28 @@ namespace Util
return uint8_t((255.0f / 1.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 15) & 0x1)); return uint8_t((255.0f / 1.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 15) & 0x1));
} }
}; };
struct RGBA4
{
static const unsigned bytes_per_pixel = 2;
static inline uint8_t GetRed(const uint8_t *pixel)
{
return uint8_t((255.0f / 15.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 12) & 0xf));
}
static inline uint8_t GetGreen(const uint8_t *pixel)
{
return uint8_t((255.0f / 15.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 8) & 0xf));
}
static inline uint8_t GetBlue(const uint8_t *pixel)
{
return uint8_t((255.0f / 15.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 4) & 0xf));
}
static inline uint8_t GetAlpha(const uint8_t *pixel)
{
return uint8_t((255.0f / 15.0f) * float((*reinterpret_cast<const uint16_t *>(pixel) >> 0) & 0xf));
}
};
template <class SurfaceFormat> template <class SurfaceFormat>
static bool WriteSurfaceToBMP(const std::string &file_name, const uint8_t *pixels, int32_t width, int32_t height, bool flip_vertical) static bool WriteSurfaceToBMP(const std::string &file_name, const uint8_t *pixels, int32_t width, int32_t height, bool flip_vertical)
{ {