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(gfx/rpng) Correct copy_line_bw

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This commit is contained in:
twinaphex 2015-02-11 02:03:44 +01:00
parent f71c00112a
commit 639fc61f60
1 changed files with 7 additions and 4 deletions
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11
gfx/rpng/rpng.c
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@ -303,11 +303,10 @@ static inline void copy_line_rgba(uint32_t *data,
static inline void copy_line_bw(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned depth)
{
unsigned i, bit = 0;
unsigned i, bit;
static const unsigned mul_table[] = { 0, 0xff, 0x55, 0, 0x11, 0, 0, 0, 0x01 };
unsigned mul = mul_table[depth];
unsigned mask = (1 << depth) - 1;
unsigned mul, mask;
if (depth == 16)
{
for (i = 0; i < width; i++)
@ -318,6 +317,10 @@ static inline void copy_line_bw(uint32_t *data,
return;
}
mul = mul_table[depth];
mask = (1 << depth) - 1;
bit = 0;
for (i = 0; i < width; i++, bit += depth)
{
unsigned byte = bit >> 3;