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MapLibreParticleLab/platform/ios/src/UIImage+MGLAdditions.mm
John Firebaugh 5dd98df50b [all] Rationalize style::Image
A style has a collection of images, just as it has collections of sources and layers.

* Name things appropriately
* Use std::unique_ptr
2017-04-24 15:52:28 -07:00

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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 = CGImageFromMGLPremultipliedImage(styleImage->image.clone());
if (!image) {
return nil;
}
if (self = [self initWithCGImage:image scale:styleImage->pixelRatio orientation:UIImageOrientationUp])
{
if (styleImage->sdf)
{
self = [self imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
}
}
CGImageRelease(image);
return self;
}
- (std::unique_ptr<mbgl::style::Image>)mgl_styleImage {
BOOL isTemplate = self.renderingMode == UIImageRenderingModeAlwaysTemplate;
return std::make_unique<mbgl::style::Image>(MGLPremultipliedImageFromCGImage(self.CGImage),
float(self.scale), isTemplate);
}
@end