forked from enlightenment/efl
24 lines
536 B
C
24 lines
536 B
C
#include "evas_cserve2_slave.h"
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Eina_Bool
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evas_cserve2_image_premul_data(unsigned int *data, unsigned int len)
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{
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unsigned int *de = data + len;
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unsigned int nas = 0;
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while (data < de)
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{
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unsigned int a = 1 + (*data >> 24);
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*data = (*data & 0xff000000) +
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(((((*data) >> 8) & 0xff) * a) & 0xff00) +
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(((((*data) & 0x00ff00ff) * a) >> 8) & 0x00ff00ff);
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data++;
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if ((a == 1) || (a == 256))
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nas++;
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}
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return ((ALPHA_SPARSE_INV_FRACTION * nas) >= len);
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}
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