/** * Created by G-Canvas Open Source Team. * Copyright (c) 2017, Alibaba, Inc. All rights reserved. * * This source code is licensed under the Apache Licence 2.0. * For the full copyright and license information, please view * the LICENSE file in the root directory of this source tree. */ #import "GCanvasPlugin.h" #import "GCVCommon.h" #import "GCVFont.h" #import "GCVLog.h" #include "GCanvasWeex.hpp" #include "GCanvas2dContext.h" #include "GCanvasManager.h" #include "Log.h" @interface GCanvasPlugin() @property(nonatomic, strong) NSString *componentId; @property(nonatomic, assign) gcanvas::GCanvasWeex *gcanvas; @property(nonatomic, assign) GCanvasContext *context; @property(nonatomic, strong) NSMutableArray *renderCommandArray; @property(nonatomic, strong) NSMutableDictionary *textureDict; @property(nonatomic, weak) GLKView *glkview; @end @implementation GCanvasPlugin + (void)setLogLevel:(NSUInteger)logLevel{ if( logLevel < LOG_LEVEL_DEBUG || logLevel > LOG_LEVEL_FATAL ) return; #ifdef DEBUG [GCVLog sharedInstance].logLevel = (GCVLogLevel)logLevel; #endif SetLogLevel((LogLevel)logLevel); } + (FetchPluginBlock)GetFetchPluginBlock{ static FetchPluginBlock gFetchPluginBlock; return gFetchPluginBlock; } + (void)setFetchPlugin:(FetchPluginBlock)block { FetchPluginBlock fetchPluginBlock = [self GetFetchPluginBlock]; fetchPluginBlock = block; } - (instancetype)initWithComponentId:(NSString*)componentId{ self = [super init]; if (self){ self.renderCommandArray = [[NSMutableArray alloc] init]; self.textureDict = NSMutableDictionary.dictionary; self.gcanvasInited = NO; self.componentId = componentId; gcanvas::GCanvasManager* manager = gcanvas::GCanvasManager::GetManager(); std::string key = [componentId UTF8String]; self.gcanvas = manager->NewCanvasWeex(key); self.context = self.gcanvas->GetGCanvasContext(); #ifdef DEBUG SetLogLevel(LOG_LEVEL_DEBUG); #else SetLogLevel(LOG_LEVEL_INFO); #endif } return self; } - (void)dealloc{ [self removeGCanvas]; } - (void)setFrame:(CGRect)frame{ if( !self.gcanvas ) return; if( !self.gcanvasInited ){ self.gcanvas->OnSurfaceChanged(0, 0, frame.size.width, frame.size.height); self.gcanvasInited = YES; } } - (void)setClearColor:(UIColor*)color{ if( !self.gcanvas ) return; if( color ){ CGFloat r, g, b, a; BOOL ret = [color getRed:&r green:&g blue:&b alpha:&a]; if( ret ){ GColorRGBA c; c.rgba.r = r; c.rgba.g = g; c.rgba.b = b; c.rgba.a = a; self.gcanvas->SetClearColor(c); } } } - (void)addCommands:(NSString*)commands{ if (commands){ @synchronized (self) { [self.renderCommandArray addObject:commands]; } } } - (void)removeCommands{ @synchronized (self) { [self.renderCommandArray removeAllObjects]; } } - (void)execCommands{ if( !self.gcanvas || !self.gcanvasInited ) return; @synchronized (self) { if(self.renderCommandArray.count == 0){ return; } NSString* cmd = self.renderCommandArray[0]; int cmdLen = (int)strlen(cmd.UTF8String); GCVLOG_METHOD(@"execCommands, len:%d, command=%@", cmdLen, cmd); self.gcanvas->Render(cmd.UTF8String, cmdLen); [self.renderCommandArray removeObjectAtIndex:0]; } } - (void)releaseManager{ gcanvas::GCanvasManager::Release(); } - (void)removeGCanvas{ gcanvas::GCanvasManager* manager = gcanvas::GCanvasManager::GetManager(); manager->RemoveCanvas([self.componentId UTF8String]); @synchronized(self){ [self.textureDict enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL * _Nonnull stop) { GLuint tid = (GLuint)[value integerValue]; if(tid > 0){ glDeleteTextures(1, &tid); } }]; [self.textureDict removeAllObjects]; self.textureDict = nil; } self.gcanvas = nil; } - (GLuint)getTextureId:(NSUInteger)aid{ if( !self.gcanvas ) return 0; @synchronized(self){ GLuint tid = (GLuint)([self.textureDict[@(aid)] integerValue]); return tid; } } - (void)addTextureId:(NSUInteger)tid withAppId:(NSUInteger)aid width:(NSUInteger)width height:(NSUInteger)height offscreen:(BOOL)offscreen{ if( !self.gcanvas ) return; self.gcanvas->AddTexture((int)aid, (int)tid, (int)width, (int)height); if( offscreen ){ self.gcanvas->AddOfflineTexture((int)aid, (int)tid); } @synchronized(self){ self.textureDict[@(aid)] = @(tid); } } - (void)addTextureId:(NSUInteger)tid withAppId:(NSUInteger)aid width:(NSUInteger)width height:(NSUInteger)height{ [self addTextureId:tid withAppId:aid width:width height:height offscreen:NO]; } - (void)setImageLoader:(id)loader{ [GCVCommon sharedInstance].imageLoader = loader; } - (void)setDevicePixelRatio:(double)ratio{ if( !self.gcanvas ) return; self.gcanvas->SetDevicePixelRatio(ratio); } - (void)setContextType:(GCVContextType)contextType{ if( !self.gcanvas ) return; self.gcanvas->SetContextType((GCVContextTypeWebGL == contextType ) ? GCVContextTypeWebGL : GCVContextType2D); //register function for GFont and WebGL texImage2D && texSubImage2D. if( self.gcanvas->GetContextType() != 0 ){ self.context->SetGWebGLTxtImage2DFunc(iOS_GCanvas_GWebGLTxtImage2D); self.context->SetGWebGLTxtSubImage2DFunc(iOS_GCanvas_GWebGLTxtSubImage2D); self.context->SetGWebGLBindToGLKViewFunc(iOS_GCanvas_Bind_To_GLKView); } } - (int)contextType{ if( !self.gcanvas ) return 0; return self.gcanvas->GetContextType(); } - (CGFloat)fps{ if( !self.gcanvas ) return 0; return self.gcanvas->mFps; } - (GLuint)textureId{ if( !self.gcanvas ) return 0; return self.gcanvas->GetFboTexture()->GetTextureID(); } - (NSString*)getSyncResult{ if( !self.gcanvas ) return @""; if( !self.gcanvas->mResult.empty() ){ NSString *retResult = [[NSString alloc] initWithUTF8String:self.gcanvas->mResult.c_str()]; self.gcanvas->setSyncResult(""); return retResult; } return @""; } - (void)setGLKView:(GLKView*)glkview{ self.glkview = glkview; } - (GLKView*)getGLKView{ return self.glkview; } #pragma mark - iOS implementation of Font & texImage /** * Fetch GCVImageCache by image source, create texImage2D with imageData. * create textImage2D success, while imageCache loaded. * * @param target texutre target to render * @param level level * @param internalformat internalformat * @param format format * @param type type * @param src image src to loader * */ void iOS_GCanvas_GWebGLTxtImage2D(GLenum target, GLint level, GLenum internalformat, GLenum format, GLenum type, const char *src){ NSString *imageStr = [[NSString alloc] initWithUTF8String:src]; GCVImageCache *imageCache = [[GCVCommon sharedInstance] fetchLoadImage:imageStr]; void (^glTexImage2DBlock)(GCVImageCache*) = ^(GCVImageCache* cache){ LOG_D("width=%f, height=%f, image=%p", imageCache.width, imageCache.height, imageCache.image); GLint width = imageCache.width; GLint height = imageCache.height; CGRect rect = CGRectMake(0, 0, width, height); CGBitmapInfo info = kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big; NSMutableData *pixelData = [NSMutableData dataWithLength:width*height*4]; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pixelData.mutableBytes, width, height, 8, 4 * width, colorSpace, info); CGColorSpaceRelease(colorSpace); CGContextClearRect(context, rect); CGContextDrawImage(context, rect, imageCache.image.CGImage); CGContextRelease(context); glTexImage2D(target, level, internalformat, width, height, 0, format, type, pixelData.bytes); }; if( imageCache ) { glTexImage2DBlock(imageCache); } else { [[GCVCommon sharedInstance] addPreLoadImage:imageStr completion:^(GCVImageCache *imageCache, BOOL fromCache){ if( imageCache ){ glTexImage2DBlock(imageCache); } }]; } } /** * Fetch GCVImageCache by image source, create texImage2D with imageData. * create textImage2D success, while imageCache loaded. * * @param target texutre target to render * @param level level * @param xoffset xoffset * @param yoffset yoffset * @param format format * @param type type * @param src image src to loader * */ void iOS_GCanvas_GWebGLTxtSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLenum format, GLenum type, const char *src){ NSString *imageStr = [[NSString alloc] initWithUTF8String:src]; GCVImageCache *imageCache = [[GCVCommon sharedInstance] fetchLoadImage:imageStr]; void (^glTexSubImage2DBlock)(GCVImageCache*) = ^(GCVImageCache* cache){ LOG_D("width=%f, height=%f, image=%p", imageCache.width, imageCache.height, imageCache.image); GLint width = imageCache.width; GLint height = imageCache.height; CGRect rect = CGRectMake(0, 0, width, height); CGBitmapInfo info = kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big; NSMutableData *pixelData = [NSMutableData dataWithLength:width*height*4]; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pixelData.mutableBytes, width, height, 8, 4 * width, colorSpace, info); CGColorSpaceRelease(colorSpace); CGContextClearRect(context, rect); CGContextDrawImage(context, rect, imageCache.image.CGImage); CGContextRelease(context); glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData.bytes); }; if( imageCache ){ glTexSubImage2DBlock(imageCache); } else { [[GCVCommon sharedInstance] addPreLoadImage:imageStr completion:^(GCVImageCache *imageCache, BOOL fromCache){ if( imageCache ){ glTexSubImage2DBlock(imageCache); } }]; } } void iOS_GCanvas_Bind_To_GLKView(std::string contextId){ if( [GCanvasPlugin GetFetchPluginBlock] ){ FetchPluginBlock block = [GCanvasPlugin GetFetchPluginBlock]; GCanvasPlugin *plugin = block([NSString stringWithUTF8String:contextId.c_str()]); GLKView *glkview = [plugin getGLKView]; [glkview bindDrawable]; } } @end