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Noel Berry
2021-03-21 02:08:28 -07:00
parent 9b42bba16e
commit 088851b43f
25 changed files with 551 additions and 213 deletions
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71
src/math/color.cpp
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@ -1,4 +1,5 @@
#include <blah/math/color.h>
#include <blah/math/vec3.h>
#include <blah/math/vec4.h>
using namespace Blah;
@ -7,45 +8,69 @@ char const hex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B
#define LT_HEX_VALUE(n) ((n >= '0' && n <= '9') ? (n - '0') : ((n >= 'A' && n <= 'F') ? (10 + n - 'A') : ((n >= 'a' && n <= 'f') ? (10 + n - 'a') : 0)))
Color::Color()
: r(0), g(0), b(0), a(0) {}
: r(0)
, g(0)
, b(0)
, a(0) {}
Color::Color(int rgb) :
r((u8)((rgb & 0xFF0000) >> 16)),
g((u8)((rgb & 0x00FF00) >> 8)),
b((u8)(rgb & 0x0000FF)),
a(255) {}
Color::Color(int rgb)
: r((u8)((rgb & 0xFF0000) >> 16))
, g((u8)((rgb & 0x00FF00) >> 8))
, b((u8)(rgb & 0x0000FF))
, a(255) {}
Color::Color(int rgb, float alpha) :
r((int)(((u8)((rgb & 0xFF0000) >> 16)) * alpha)),
g((int)(((u8)((rgb & 0x00FF00) >> 8)) * alpha)),
b((int)(((u8)(rgb & 0x0000FF)) * alpha)),
a((int)(255 * alpha)) {}
Color::Color(int rgb, float alpha)
: r((int)(((u8)((rgb & 0xFF0000) >> 16)) * alpha))
, g((int)(((u8)((rgb & 0x00FF00) >> 8)) * alpha))
, b((int)(((u8)(rgb & 0x0000FF)) * alpha))
, a((int)(255 * alpha)) {}
Color::Color(u8 r, u8 g, u8 b)
: r(r), g(g), b(b), a(255) {}
: r(r)
, g(g)
, b(b)
, a(255) {}
Color::Color(u8 r, u8 g, u8 b, u8 a)
: r(r), g(g), b(b), a(a) {}
: r(r)
, g(g)
, b(b)
, a(a) {}
Color::Color(const Vec3& vec3)
: r((int)(vec3.x * 255))
, g((int)(vec3.y * 255))
, b((int)(vec3.z * 255))
, a((int)(255)) {}
Color::Color(const Vec3& vec3, float alpha)
: r((int)(vec3.x * alpha * 255))
, g((int)(vec3.y* alpha * 255))
, b((int)(vec3.z* alpha * 255))
, a((int)(alpha * 255)) {}
Color::Color(const Vec4& vec4)
: r((int)(vec4.x * 255)), g((int)(vec4.y * 255)), b((int)(vec4.z * 255)), a((int)(vec4.w * 255)) {}
: r((int)(vec4.x * 255))
, g((int)(vec4.y * 255))
, b((int)(vec4.z * 255))
, a((int)(vec4.w * 255)) {}
Color::Color(const char* value) : r(0), g(0), b(0), a(255)
Color::Color(const String& value)
: r(0)
, g(0)
, b(0)
, a(255)
{
int length = 0;
while (value[length] != '\0' && length < 10)
length ++;
int offset = 0;
if (length > 0 && value[0] == '#')
if (value.length() > 0 && value[0] == '#')
offset = 1;
else if (length >= 1 && value[0] == '0' && (value[1] == 'x' || value[1] == 'X'))
else if (value.length() >= 1 && value[0] == '0' && (value[1] == 'x' || value[1] == 'X'))
offset = 2;
if (length - offset >= 8)
if (value.length() - offset >= 8)
a = (LT_HEX_VALUE(value[offset + 6]) << 4) + LT_HEX_VALUE(value[offset + 7]);
if (length - offset >= 6)
if (value.length() - offset >= 6)
{
r = (LT_HEX_VALUE(value[offset + 0]) << 4) + LT_HEX_VALUE(value[offset + 1]);
g = (LT_HEX_VALUE(value[offset + 2]) << 4) + LT_HEX_VALUE(value[offset + 3]);