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CoreGraphics: Avoid allocating over-large buffers for clipped image data

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reuk 2022-03-09 16:33:52 +00:00
parent 8573fb2442
commit db3a0a1ae8
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1 changed files with 9 additions and 10 deletions
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19
modules/juce_graphics/native/juce_mac_CoreGraphicsContext.mm
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@ -124,19 +124,18 @@ public:
[] (void * __nullable info, const void*, size_t) { delete (ImageDataContainer::Ptr*) info; }) };
}
CFUniquePtr<CFDataRef> data (CFDataCreate (nullptr, (const UInt8*) srcData.data, (CFIndex) srcData.size));
const auto usableSize = jmin ((size_t) srcData.lineStride * (size_t) srcData.height, srcData.size);
CFUniquePtr<CFDataRef> data (CFDataCreate (nullptr, (const UInt8*) srcData.data, (CFIndex) usableSize));
return detail::DataProviderPtr { CGDataProviderCreateWithCFData (data.get()) };
}();
CGImageRef imageRef = CGImageCreate ((size_t) srcData.width,
(size_t) srcData.height,
8,
(size_t) srcData.pixelStride * 8,
(size_t) srcData.lineStride,
colourSpace, getCGImageFlags (juceImage.getFormat()), provider.get(),
nullptr, true, kCGRenderingIntentDefault);
return imageRef;
return CGImageCreate ((size_t) srcData.width,
(size_t) srcData.height,
8,
(size_t) srcData.pixelStride * 8,
(size_t) srcData.lineStride,
colourSpace, getCGImageFlags (juceImage.getFormat()), provider.get(),
nullptr, true, kCGRenderingIntentDefault);
}
//==============================================================================