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83 lines
2.0 KiB
Objective-C
83 lines
2.0 KiB
Objective-C
/*!
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* iOS SDK
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*
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* Tencent is pleased to support the open source community by making
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* Hippy available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#import "HippyBridgeModule.h"
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@class UIImage, HippyBridge;
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@protocol HippyImageProviderProtocol <NSObject, HippyBridgeModule>
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@required
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/** ask delegate that can data be handled
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*/
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+ (BOOL)canHandleData:(NSData *)data;
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/** ask delegate that data represent an animated image(gif,apng,etc)
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*/
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+ (BOOL)isAnimatedImage:(NSData *)data;
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/** return priority for data
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* instance with higher priority will process data
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*/
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+ (NSUInteger)priorityForData:(NSData *)data;
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/** return image provider instance for data
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*/
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+ (instancetype)imageProviderInstanceForData:(NSData *)data;
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/** return image.If it is an animated image,return first frame
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*/
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- (UIImage *)image;
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// for animated Image
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@optional
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/** return frame count for animated image
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*/
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- (NSUInteger)imageCount;
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/** return frame at index
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*/
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- (UIImage *)imageAtFrame:(NSUInteger)frame;
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/**return animated image loop count
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* return 0 means loop forever
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*/
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- (NSUInteger)loopCount;
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/** delay time for frame at index
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*/
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- (NSTimeInterval)delayTimeAtFrame:(NSUInteger)frame;
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@end
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#ifdef __cplusplus
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extern "C" {
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#endif
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Class<HippyImageProviderProtocol> imageProviderClassFromBridge(NSData *data, HippyBridge *bridge);
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#ifdef __cplusplus
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}
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#endif
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