Brian J. Burg
95 lines
2.6 KiB
Rust
95 lines
2.6 KiB
Rust
// Rust bindings to the IOSurface framework on Mac OS X.
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use cf = core_foundation;
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use cf::base::{AbstractCFType, AbstractCFTypeRef, CFRelease, CFType, CFTypeOps, CFTypeRef};
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use cf::dictionary::{CFDictionary, CFDictionaryRef};
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use cf::number::CFNumber;
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use cf::string::{CFString, CFStringRef};
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use cast::transmute;
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struct __IOSurface { private: () }
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pub type IOSurfaceRef = *__IOSurface;
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impl IOSurfaceRef : AbstractCFTypeRef {
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pure fn as_type_ref(&self) -> CFTypeRef { *self as CFTypeRef }
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}
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pub type IOSurfaceID = u32;
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pub struct IOSurface {
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obj: IOSurfaceRef,
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drop {
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unsafe {
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CFRelease(transmute(copy self.obj));
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}
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}
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}
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pub impl IOSurface {
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static fn new_io_surface(properties: &CFDictionary<CFStringRef, CFTypeRef, CFString, CFType>) -> IOSurface {
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cf::base::wrap(IOSurfaceCreate(properties.obj))
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}
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static fn lookup(csid: IOSurfaceID) -> IOSurface {
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cf::base::wrap(IOSurfaceLookup(csid))
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}
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}
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impl IOSurface : AbstractCFType<IOSurfaceRef> {
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pure fn as_type_ref(&self) -> CFTypeRef {
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unsafe {
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transmute(copy self.obj)
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}
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}
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static fn wrap(obj: IOSurfaceRef) -> IOSurface {
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assert obj != ptr::null();
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IOSurface { obj: obj }
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}
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static fn unwrap(wrapper: IOSurface) -> IOSurfaceRef {
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wrapper.obj
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}
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}
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impl IOSurface {
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fn get_id(&self) -> IOSurfaceID {
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IOSurfaceGetID(self.obj)
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}
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}
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#[link_args="-framework IOSurface"]
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#[nolink]
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extern {
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const kIOSurfaceAllocSize: CFStringRef;
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const kIOSurfaceWidth: CFStringRef;
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const kIOSurfaceHeight: CFStringRef;
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const kIOSurfaceBytesPerRow: CFStringRef;
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const kIOSurfaceBytesPerElement: CFStringRef;
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const kIOSurfaceElementWidth: CFStringRef;
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const kIOSurfaceElementHeight: CFStringRef;
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const kIOSurfaceOffset: CFStringRef;
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const kIOSurfacePlaneInfo: CFStringRef;
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const kIOSurfacePlaneWidth: CFStringRef;
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const kIOSurfacePlaneHeight: CFStringRef;
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const kIOSurfacePlaneBytesPerRow: CFStringRef;
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const kIOSurfacePlaneOffset: CFStringRef;
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const kIOSurfacePlaneSize: CFStringRef;
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const kIOSurfacePlaneBase: CFStringRef;
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const kIOSurfacePlaneBytesPerElement: CFStringRef;
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const kIOSurfacePlaneElementWidth: CFStringRef;
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const kIOSurfacePlaneElementHeight: CFStringRef;
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const kIOSurfaceCacheMode: CFStringRef;
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const kIOSurfaceIsGlobal: CFStringRef;
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const kIOSurfacePixelFormat: CFStringRef;
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fn IOSurfaceCreate(properties: CFDictionaryRef) -> IOSurfaceRef;
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fn IOSurfaceLookup(csid: IOSurfaceID) -> IOSurfaceRef;
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fn IOSurfaceGetID(buffer: IOSurfaceRef) -> IOSurfaceID;
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}
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