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Ensure 3D Glasses uses the right colors ;)

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This commit is contained in:
Bill Kendrick 2023-02-23 00:30:42 -08:00
parent 142cf588ba
commit 559312682e
1 changed files with 9 additions and 3 deletions
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12
magic/src/colorsep.c
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@ -186,9 +186,15 @@ colorsep_drag(magic_api * api ATTRIBUTE_UNUSED, int which, SDL_Surface * canvas,
SDL_GetRGB(api->getpixel(snapshot, xx + offset_x / 2, yy + offset_y / 2), snapshot->format, &r1, &g1, &b1);
SDL_GetRGB(api->getpixel(snapshot, xx - offset_x / 2, yy - offset_y / 2), snapshot->format, &r2, &g2, &b2);
r = (Uint8) ((float) r1 * colorsep_r_pct) + ((float) r2 * (1.0 - colorsep_r_pct));
g = (Uint8) ((float) g1 * colorsep_g_pct) + ((float) g2 * (1.0 - colorsep_g_pct));
b = (Uint8) ((float) b1 * colorsep_b_pct) + ((float) b2 * (1.0 - colorsep_b_pct));
if (which == COLORSEP_TOOL_3DGLASSES) {
r = r1;
g = g2;
b = b2;
} else {
r = (Uint8) ((float) r1 * colorsep_r_pct) + ((float) r2 * (1.0 - colorsep_r_pct));
g = (Uint8) ((float) g1 * colorsep_g_pct) + ((float) g2 * (1.0 - colorsep_g_pct));
b = (Uint8) ((float) b1 * colorsep_b_pct) + ((float) b2 * (1.0 - colorsep_b_pct));
}
api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, r, g, b));
}