mirror of https://github.com/axmolengine/axmol.git
149 lines
3.6 KiB
C++
149 lines
3.6 KiB
C++
#include "CCControlUtils.h"
|
|
#include "support/CCPointExtension.h"
|
|
|
|
NS_CC_EXT_BEGIN
|
|
|
|
CCSprite* CCControlUtils::addSpriteToTargetWithPosAndAnchor(const char* spriteName, CCNode * target, CCPoint pos, CCPoint anchor)
|
|
{
|
|
CCSprite *sprite =CCSprite::createWithSpriteFrameName(spriteName);
|
|
|
|
if (!sprite)
|
|
return NULL;
|
|
|
|
sprite->setPosition(pos);
|
|
sprite->setAnchorPoint(anchor);
|
|
target->addChild(sprite);
|
|
|
|
return sprite;
|
|
}
|
|
|
|
|
|
HSV CCControlUtils::HSVfromRGB(RGBA value)
|
|
{
|
|
HSV out;
|
|
double min, max, delta;
|
|
|
|
min = value.r < value.g ? value.r : value.g;
|
|
min = min < value.b ? min : value.b;
|
|
|
|
max = value.r > value.g ? value.r : value.g;
|
|
max = max > value.b ? max : value.b;
|
|
|
|
out.v = max; // v
|
|
delta = max - min;
|
|
if( max > 0.0 )
|
|
{
|
|
out.s = (delta / max); // s
|
|
} else
|
|
{
|
|
// r = g = b = 0 // s = 0, v is undefined
|
|
out.s = 0.0;
|
|
out.h = -1; // its now undefined (don't know if setting to NAN is a good idea)
|
|
return out;
|
|
}
|
|
if( value.r >= max ) // > is bogus, just keeps compilor happy
|
|
{
|
|
out.h = ( value.g - value.b ) / delta; // between yellow & magenta
|
|
} else
|
|
{
|
|
if( value.g >= max )
|
|
out.h = 2.0 + ( value.b - value.r ) / delta; // between cyan & yellow
|
|
else
|
|
out.h = 4.0 + ( value.r - value.g ) / delta; // between magenta & cyan
|
|
}
|
|
|
|
out.h *= 60.0; // degrees
|
|
|
|
if( out.h < 0.0 )
|
|
out.h += 360.0;
|
|
|
|
return out;
|
|
}
|
|
|
|
RGBA CCControlUtils::RGBfromHSV(HSV value)
|
|
{
|
|
double hh, p, q, t, ff;
|
|
long i;
|
|
RGBA out;
|
|
out.a = 1;
|
|
|
|
if (value.s <= 0.0) // < is bogus, just shuts up warnings
|
|
{
|
|
if (isnan(value.h)) // value.h == NAN
|
|
{
|
|
out.r = value.v;
|
|
out.g = value.v;
|
|
out.b = value.v;
|
|
return out;
|
|
}
|
|
|
|
// error - should never happen
|
|
out.r = 0.0;
|
|
out.g = 0.0;
|
|
out.b = 0.0;
|
|
return out;
|
|
}
|
|
|
|
hh = value.h;
|
|
if(hh >= 360.0) hh = 0.0;
|
|
hh /= 60.0;
|
|
i = (long)hh;
|
|
ff = hh - i;
|
|
p = value.v * (1.0 - value.s);
|
|
q = value.v * (1.0 - (value.s * ff));
|
|
t = value.v * (1.0 - (value.s * (1.0 - ff)));
|
|
|
|
switch(i)
|
|
{
|
|
case 0:
|
|
out.r = value.v;
|
|
out.g = t;
|
|
out.b = p;
|
|
break;
|
|
case 1:
|
|
out.r = q;
|
|
out.g = value.v;
|
|
out.b = p;
|
|
break;
|
|
case 2:
|
|
out.r = p;
|
|
out.g = value.v;
|
|
out.b = t;
|
|
break;
|
|
|
|
case 3:
|
|
out.r = p;
|
|
out.g = q;
|
|
out.b = value.v;
|
|
break;
|
|
case 4:
|
|
out.r = t;
|
|
out.g = p;
|
|
out.b = value.v;
|
|
break;
|
|
case 5:
|
|
default:
|
|
out.r = value.v;
|
|
out.g = p;
|
|
out.b = q;
|
|
break;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
CCRect CCControlUtils::CCRectUnion(const CCRect& src1, const CCRect& src2)
|
|
{
|
|
CCRect result;
|
|
|
|
float x1 = MIN(src1.getMinX(), src2.getMinX());
|
|
float y1 = MIN(src1.getMinY(), src2.getMinY());
|
|
float x2 = MAX(src1.getMaxX(), src2.getMaxX());
|
|
float y2 = MAX(src1.getMaxY(), src2.getMaxY());
|
|
|
|
result.origin=ccp(x1,x2);
|
|
result.size=CCSizeMake(x2-x1, y2-y1);
|
|
return result;
|
|
}
|
|
|
|
NS_CC_EXT_END
|