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27 #ifndef __com_sun_star_rendering_FloatingPointBitmapFormat_idl__
28 #define __com_sun_star_rendering_FloatingPointBitmapFormat_idl__
30 module com
{ module sun
{ module star
{ module rendering
{
32 /** This structure describes format of a floating point bitmap.<p>
36 constants FloatingPointBitmapFormat
38 /** Half-float format.<p>
40 The color components are stored in the half-float format,
41 i.e. in a 16 bit value, with 5 bit exponent, 10 bit mantissa
42 and a sign bit. See also <a
43 href="http://www.openexr.com/">OpenEXR</a> for a format
44 employing half-floats.<p>
46 const byte HALFFLOAT
=0;
48 /** IEEE float format.<p>
50 The color components are stored in the IEEE single-precision
51 floating point format, i.e. in a 32 bit value, with 8 bit
52 exponent, 23 bit mantissa and a sign bit.<p>
56 /** IEEE double format.<p>
58 The color components are stored in the IEEE double-precision
59 floating point format, i.e. in a 64 bit value, with 16 bit
60 exponent, 47 bit mantissa and a sign bit.<p>