44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
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#ifndef COLOR_H
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#define COLOR_H
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#include <string>
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struct Color {
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Color(): r(0), g(0), b(0), a(0) {};
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Color(uint32_t c): r((c >> 16) & 0xff), g((c >> 8) & 0xff), b((c >> 0) & 0xff ), a((c >> 24) & 0xff) {};
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Color(uint8_t r, uint8_t g, uint8_t b): r(r), g(g), b(b), a(0xff) {};
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Color(uint8_t r, uint8_t g, uint8_t b, uint8_t a): r(r), g(g), b(b), a(a) {};
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Color(const std::string &s, int alpha = 1);
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Color &operator=(const Color &c);
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unsigned to_uint() const { return (unsigned(a) << 24) + (unsigned(r) << 16) + (unsigned(g) << 8) + unsigned(b); }
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//libgd treats 127 as transparent, and 0 as opaque ...
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int to_libgd() const { return (((0xff - int(a)) >> 1) << 24) + (int(r) << 16) + (int(g) << 8) + int(b); }
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uint8_t r;
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uint8_t g;
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uint8_t b;
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uint8_t a;
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};
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struct ColorEntry {
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ColorEntry(): r(0), g(0), b(0), a(0), t(0) {};
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ColorEntry(uint8_t r, uint8_t g, uint8_t b, uint8_t a, uint8_t t): r(r), g(g), b(b), a(a), t(t) {};
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inline Color to_color() const { return Color(r, g, b, a); }
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uint8_t r;
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uint8_t g;
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uint8_t b;
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uint8_t a;
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uint8_t t;
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};
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inline Color &Color::operator=(const Color &c)
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{
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r = c.r;
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g = c.g;
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b = c.b;
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a = c.a;
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return *this;
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}
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#endif // COLOR_H
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