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Bug 1084093, part 1 - Add some helpers to Moz2D Color to convert to/from packed ARGB. r=Bas

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This commit is contained in:
Jonathan Watt 2014-10-17 12:53:15 +01:00
parent b0acb565de
commit 39e820da80
1 changed files with 16 additions and 0 deletions
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16
gfx/2d/Types.h
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@ -232,12 +232,28 @@ public:
return newColor;
}
static Color FromARGB(uint32_t aColor)
{
Color newColor(((aColor >> 16) & 0xff) * (1.0f / 255.0f),
((aColor >> 8) & 0xff) * (1.0f / 255.0f),
((aColor >> 0) & 0xff) * (1.0f / 255.0f),
((aColor >> 24) & 0xff) * (1.0f / 255.0f));
return newColor;
}
uint32_t ToABGR() const
{
return uint32_t(r * 255.0f) | uint32_t(g * 255.0f) << 8 |
uint32_t(b * 255.0f) << 16 | uint32_t(a * 255.0f) << 24;
}
uint32_t ToARGB() const
{
return uint32_t(b * 255.0f) | uint32_t(g * 255.0f) << 8 |
uint32_t(r * 255.0f) << 16 | uint32_t(a * 255.0f) << 24;
}
Float r, g, b, a;
};