API Reference > Functions > odMonoDxt1RGBACompress Function
odMonoDxt1RGBACompress Function
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Syntax
C++
bool odMonoDxt1RGBACompress(const OdUInt8 * pInput, OdUInt32 nInputWidth, OdUInt32 nInputHeight, OdUInt32 nInputScanlineLength, const OdUInt8 * pColor1, const OdUInt8 * pColor2, OdUInt8 * pOutput, OdUInt32 nOutputWidth, OdUInt32 nOutputHeight);
File

mono_dxt1_compressor.h

Parameters
Parameters 
Description 
const OdUInt8 * pInput 
[in] Input binary data (as 1bpp BMP image).  
OdUInt32 nInputWidth 
[in] Width of input image.  
OdUInt32 nInputHeight 
[in] Height of input image.  
OdUInt32 nInputScanlineLength 
[in] Scanline length of input image including alignment bytes.  
const OdUInt8 * pColor1 
[in] First color for monochrome image (index 0).  
const OdUInt8 * pColor2 
[in] Second color for monochrome image (index 1).  
OdUInt8 * pOutput 
[in] Preallocated output buffer.  
OdUInt32 nOutputWidth 
[in] Width of output image.  
OdUInt32 nOutputHeight 
[in] Height of output image. 
Description

Effectively compress input monochrome (1bpp) image into Dxt1 texture format include premultiplied alpha transparency.

Remarks

Output width and height must be dividible on 4x4 blocks.

Group
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