| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #import "WXCanvasModule.h" |
| #import "WXCanvasComponent.h" |
| #import "WXSDKManager.h" |
| #import "WXSDKInstance_private.h" |
| #import "WXUtility.h" |
| |
| @interface WXCanvasModule() |
| @property (nonatomic, strong) NSMutableDictionary *cacheMap; |
| @property (nonatomic, strong) EAGLContext *glcontext; |
| @end |
| |
| @implementation WXCanvasModule |
| |
| @synthesize weexInstance; |
| |
| WX_EXPORT_METHOD(@selector(addDrawActions:actions:)) |
| WX_EXPORT_METHOD(@selector(initTexture:callbackId:)) |
| |
| - (instancetype) init |
| { |
| _cacheMap = [NSMutableDictionary new]; |
| _glcontext = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2]; |
| [EAGLContext setCurrentContext:_glcontext]; |
| return [super init]; |
| } |
| |
| - (void) dealloc |
| { |
| [_cacheMap removeAllObjects]; |
| _cacheMap = nil; |
| } |
| |
| - (void)performBlockWithCanvas:(NSString *)elemRef block:(void (^)(WXCanvasComponent *))block |
| { |
| if (!elemRef) { |
| return; |
| } |
| |
| __weak typeof(self) weakSelf = self; |
| |
| WXPerformBlockOnComponentThread(^{ |
| WXCanvasComponent *canvas = (WXCanvasComponent *)[weakSelf.weexInstance componentForRef:elemRef]; |
| if (!canvas) { |
| return; |
| } |
| |
| [weakSelf performSelectorOnMainThread:@selector(doBlock:) withObject:^() { |
| block(canvas); |
| } waitUntilDone:NO]; |
| }); |
| } |
| |
| |
| - (void)doBlock:(void (^)(void))block |
| { |
| block(); |
| } |
| |
| - (void)addDrawActions:(NSString *)elemRef actions:(NSArray *)actions |
| { |
| [self performBlockWithCanvas:elemRef block:^(WXCanvasComponent *canvas) { |
| [canvas addDrawActions:actions canvasModule:self]; |
| }]; |
| } |
| |
| |
| -(UIImage *) getImage:(NSString *)imageURL { |
| NSString *key = [NSString stringWithFormat:@"image~%@", imageURL]; |
| if ([_cacheMap objectForKey:key]) { |
| return (UIImage *)[_cacheMap objectForKey:key]; |
| } |
| UIImage *image = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:imageURL]]]; |
| |
| if (image != nil) { |
| [_cacheMap setObject:image forKey:key]; |
| } |
| return image; |
| } |
| |
| -(void) initTexture:(NSString *)imgURL callbackId:(NSInteger)callbackId |
| { |
| __weak typeof(self) weakSelf = self; |
| WXPerformBlockOnComponentThread(^{ |
| UIImage *image = [weakSelf getImage:imgURL]; |
| NSDictionary *data = @{ |
| @"url": imgURL, |
| @"width": @(image.size.width), |
| @"height": @(image.size.height) |
| }; |
| |
| [[WXSDKManager bridgeMgr] callBack:self.weexInstance.instanceId funcId:[@(callbackId) stringValue] params:[WXUtility JSONString:data]]; |
| }); |
| } |
| |
| @end |