149     alpha_mask,  member
641         bmp_info.alpha_mask=0;  in ReadBMPImage()
737             bmp_info.alpha_mask=ReadBlobLSBLong(image);  in ReadBMPImage()
877     image->alpha_trait=((bmp_info.alpha_mask != 0) &&  in ReadBMPImage()
1032         bmp_info.alpha_mask=image->alpha_trait != UndefinedPixelTrait ?  in ReadBMPImage()
1078         if (bmp_info.alpha_mask != 0)  in ReadBMPImage()
1079           while (((bmp_info.alpha_mask << shift.alpha) & 0x80000000UL) == 0)  in ReadBMPImage()
1110         while (((bmp_info.alpha_mask << sample) & 0x80000000UL) != 0)  in ReadBMPImage()
1295                 alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;  in ReadBMPImage()
1393                 alpha=((pixel & bmp_info.alpha_mask) << shift.alpha) >> 16;  in ReadBMPImage()
1733     bmp_info.alpha_mask=0xff000000U;  in WriteBMPImage()
1787                   bmp_info.alpha_mask=0x0000f000U;  in WriteBMPImage()
1795                   bmp_info.alpha_mask=0x00008000U;  in WriteBMPImage()
1806                 bmp_info.alpha_mask=0U;  in WriteBMPImage()
1814                 bmp_info.alpha_mask=0U;  in WriteBMPImage()
2296         (void) WriteBlobLSBLong(image,bmp_info.alpha_mask);  in WriteBMPImage()