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Minor refactoring, comments

This commit is contained in:
Alexey 'Cluster' Avdyukhin 2021-06-12 04:47:01 +03:00
parent ac2818e3da
commit d1b5301f64
1 changed files with 3 additions and 2 deletions
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5
src/palette.cpp
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@ -532,9 +532,9 @@ static void ChoosePalette(void)
// need to apply grayscale filter
// allocate memory for grayscale palette
if (grayscaled_palo == NULL)
grayscaled_palo = (pal*)malloc(sizeof(pal) * 512);
grayscaled_palo = (pal*)malloc(sizeof(pal) * 64 * 8);
// make every color grayscale
for (int x = 0; x < 512; x++)
for (int x = 0; x < 64 * 8; x++)
{
uint8 gray = ((float)palo[x].r * 0.299 + (float)palo[x].g * 0.587 + (float)palo[x].b * 0.114);
grayscaled_palo[x].r = gray;
@ -546,6 +546,7 @@ static void ChoosePalette(void)
}
else if (grayscaled_palo != NULL)
{
// free allocated memory if the grayscale filter is not used anymore
free(grayscaled_palo);
grayscaled_palo = NULL;
}