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#import "UIImage+MGLAdditions.h"
#include <mbgl/util/image+MGLAdditions.hpp>
@implementation UIImage (MGLAdditions)
- (nullable instancetype)initWithMGLStyleImage:(const mbgl::style::Image *)styleImage
{
CGImageRef image = CGImageCreateWithMGLPremultipliedImage(styleImage->getImage().clone());
if (!image) {
return nil;
}
if (self = [self initWithCGImage:image scale:styleImage->getPixelRatio() orientation:UIImageOrientationUp])
{
if (styleImage->isSdf())
{
self = [self imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
}
}
CGImageRelease(image);
return self;
}
- (nullable instancetype)initWithMGLPremultipliedImage:(const mbgl::PremultipliedImage&&)mbglImage scale:(CGFloat)scale
{
CGImageRef image = CGImageCreateWithMGLPremultipliedImage(mbglImage.clone());
if (!image) {
return nil;
}
self = [self initWithCGImage:image scale:scale orientation:UIImageOrientationUp];
CGImageRelease(image);
return self;
}
- (std::unique_ptr<mbgl::style::Image>)mgl_styleImageWithIdentifier:(NSString *)identifier {
BOOL isTemplate = self.renderingMode == UIImageRenderingModeAlwaysTemplate;
return std::make_unique<mbgl::style::Image>([identifier UTF8String],
self.mgl_premultipliedImage,
float(self.scale), isTemplate);
}
-(mbgl::PremultipliedImage)mgl_premultipliedImage {
return MGLPremultipliedImageFromCGImage(self.CGImage);
}
@end
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