. IL MIO codice: Come gestire il valore RGB per le diverse tonalità di viso e come applicare? questo codice cambierà il colore del viso insieme ai capelli, ma voglio 1. solo faccia da colorare escludendo i capelli.Come cambiare il colore della pelle del viso dall'immagine sorgente in ios?
-(void)changeSkinColorValue:(float)value WithImage:(UIImage*)needToModified
{
CGContextRef ctx;
CGImageRef imageRef = needToModified.CGImage;
NSUInteger width = CGImageGetWidth(imageRef);
NSUInteger height = CGImageGetHeight(imageRef);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
//unsigned char *rawData = malloc(firstImageV.image.size.height * firstImageV.image.size.width * 10);
CFMutableDataRef m_DataRef = CFDataCreateMutableCopy(0, 0,CGDataProviderCopyData(CGImageGetDataProvider(firstImageV.image.CGImage)));
UInt8 *rawData = (UInt8 *) CFDataGetMutableBytePtr(m_DataRef);
int length = CFDataGetLength(m_DataRef);
NSUInteger bytesPerPixel = 4;
NSUInteger bytesPerRow = bytesPerPixel * firstImageV.image.size.width;
NSUInteger bitsPerComponent = 8;
CGContextRef context1 = CGBitmapContextCreate(rawData, firstImageV.image.size.width, firstImageV.image.size.height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
CGContextDrawImage(context1, CGRectMake(0, 0, firstImageV.image.size.width, firstImageV.image.size.height), imageRef);
NSLog(@"%d::%d",width,height);
// for(int ii = 0 ; ii < 250 ; ii+=4)
//{
for(int ii = 0 ; ii < length ; ii+=4)
{
//NSLog(@"Raw data %s",rawData);
int R = rawData[ii];
int G = rawData[ii+1];
int B = rawData[ii+2];
// NSLog(@"%d %d %d", R, G, B);
//if(((R>60)&&(R<237)) || ((G>10)&&(G<120))||((B>4) && (B<120)))
// if(((R>100)&&(R<186)) || ((G>56)&&(G<130))||((B>30) && (B<120)))
// if(((R>188)&&(R<228)) || ((G>123)&&(G<163))||((B>85) && (B<125)))
// if(((R>95)&&(R<260)) || ((G>40)&&(G<210))||((B>20) && (B<170)))
//new code......
if(((R>0)&&(R<260)) || ((G>0)&&(G<210))||((B>0) && (B<170)))
{
rawData[ii+1]=R;//13;
rawData[ii+2]=G;//43;
rawData[ii+3]=value;//63
}
}
ctx = CGBitmapContextCreate(rawData,
CGImageGetWidth(imageRef),
CGImageGetHeight(imageRef),
8,
CGImageGetBytesPerRow(imageRef),
CGImageGetColorSpace(imageRef),
kCGImageAlphaPremultipliedLast);
imageRef = CGBitmapContextCreateImage(ctx);
UIImage* rawImage = [UIImage imageWithCGImage:imageRef];
//UIImageView *ty=[[UIImageView alloc]initWithFrame:CGRectMake(100, 200, 400, 400)];
//ty.image=rawImage;
//[self.view addSubview:ty];
[secondImageV setImage:rawImage];
CGContextRelease(context1);
CGContextRelease(ctx);
free(rawData);
}
Questo codice non cambia solo volto e capelli ma tutta l'immagine, non è vero? –
@SAMIR RATHOD puoi aiutarmi nella stessa domanda di cambio del colore dell'immagine? http://stackoverflow.com/questions/37113740/change-face-color-from-main-color-in-xcode?noredirect=1#comment61769372_37113740 –