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Use fixed width types in TintPalette funcs

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This commit is contained in:
Diegoisawesome 2018-02-06 12:47:09 -06:00
parent 91387a95c3
commit 4c6f6c4738
1 changed files with 24 additions and 38 deletions
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62
src/palette.c
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@ -840,93 +840,79 @@ void BlendPalettesUnfaded(u32 selectedPalettes, u8 coeff, u16 color)
void TintPalette_GrayScale(u16 *palette, u16 count)
{
int r;
int g;
int b;
s32 r, g, b, i;
u32 gray;
int i;
for (i = 0; i < count; i++)
{
r = *palette & 0x1F;
g = (*palette >> 5) & 0x1F;
r = (*palette >> 0) & 0x1F;
g = (*palette >> 5) & 0x1F;
b = (*palette >> 10) & 0x1F;
r = r * Q_8_8(0.2969);
r += g * Q_8_8(0.5899);
r += b * Q_8_8(0.1133);
gray = (r * Q_8_8(0.3) + g * Q_8_8(0.59) + b * Q_8_8(0.1133)) >> 8;
gray = r >> 8;
*palette++ = gray << 10 | gray << 5 | gray;
*palette++ = (gray << 10) | (gray << 5) | (gray << 0);
}
}
void TintPalette_GrayScale2(u16 *palette, u16 count)
{
int r;
int g;
int b;
s32 r, g, b, i;
u32 gray;
int i;
for (i = 0; i < count; i++)
{
r = *palette & 0x1F;
g = (*palette >> 5) & 0x1F;
r = (*palette >> 0) & 0x1F;
g = (*palette >> 5) & 0x1F;
b = (*palette >> 10) & 0x1F;
r = r * Q_8_8(0.2969);
r += g * Q_8_8(0.5899);
r += b * Q_8_8(0.1133);
gray = r >> 8;
gray = (r * Q_8_8(0.3) + g * Q_8_8(0.59) + b * Q_8_8(0.1133)) >> 8;
if (gray > 0x1F)
gray = 0x1F;
gray = sRoundedDownGrayscaleMap[gray];
*palette++ = gray << 10 | gray << 5 | gray;
*palette++ = (gray << 10) | (gray << 5) | (gray << 0);
}
}
void TintPalette_SepiaTone(u16 *palette, u16 count)
{
s32 r, g, b, gray;
s32 i;
for (i = 0; i < count; palette++, i++)
s32 r, g, b, i;
u32 gray;
for (i = 0; i < count; i++)
{
r = (*palette >> 0) & 0x1F;
g = (*palette >> 5) & 0x1F;
b = (*palette >> 10) & 0x1F;
gray = (r * 76 + g * 151 + b * 29) >> 8;
gray = (r * Q_8_8(0.3) + g * Q_8_8(0.59) + b * Q_8_8(0.1133)) >> 8;
r = (u16)((307 * gray)) >> 8;
g = (u16)((256 * gray)) >> 8;
b = (u16)((240 * gray)) >> 8;
r = (u16)((Q_8_8(1.2) * gray)) >> 8;
g = (u16)((Q_8_8(1.0) * gray)) >> 8;
b = (u16)((Q_8_8(0.94) * gray)) >> 8;
if (r > 31)
r = 31;
*palette = (b << 10) | (g << 5) | (r << 0);
*palette++ = (b << 10) | (g << 5) | (r << 0);
}
}
void TintPalette_CustomTone(u16 *palette, u16 count, u16 rTone, u16 gTone, u16 bTone)
{
s32 r, g, b, gray;
s32 i;
s32 r, g, b, i;
u32 gray;
for (i = 0; i < count; palette++, i++)
for (i = 0; i < count; i++)
{
r = (*palette >> 0) & 0x1F;
g = (*palette >> 5) & 0x1F;
b = (*palette >> 10) & 0x1F;
gray = (r * 76 + g * 151 + b * 29) >> 8;
gray = (r * Q_8_8(0.3) + g * Q_8_8(0.59) + b * Q_8_8(0.1133)) >> 8;
r = (u16)((rTone * gray)) >> 8;
g = (u16)((gTone * gray)) >> 8;
@ -939,7 +925,7 @@ void TintPalette_CustomTone(u16 *palette, u16 count, u16 rTone, u16 gTone, u16 b
if (b > 31)
b = 31;
*palette = (b << 10) | (g << 5) | (r << 0);
*palette++ = (b << 10) | (g << 5) | (r << 0);
}
}