添加图片分类,模糊图片

王军波
1 parent bb25bc8c
Showing 4 changed files with 95 additions and 29 deletions
LiveVideoCloud/LiveVideoCloud.xcodeproj/project.pbxproj
LiveVideoCloud/LiveVideoCloud/Classes/Sections/homeSections/View/LVCUGCPlayerLoadingView.m
LiveVideoCloud/LiveVideoCloud/UtilKits/Category/UIImage+LVCVagueImage.h
LiveVideoCloud/LiveVideoCloud/UtilKits/Category/UIImage+LVCVagueImage.m
@@ -161,6 +161,8 @@
 		D25BF89B1E7FE046007FB138 /* CNLiveChatManager.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D25BF8981E7FE033007FB138 /* CNLiveChatManager.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D25BF89C1E7FE049007FB138 /* CNLiveMsgTools.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D25BF8961E7FE01B007FB138 /* CNLiveMsgTools.framework */; };
 		D25BF89D1E7FE049007FB138 /* CNLiveMsgTools.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D25BF8961E7FE01B007FB138 /* CNLiveMsgTools.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		D25BF8A01E80C4BD007FB138 /* UIImage+LVCVagueImage.m in Sources */ = {isa = PBXBuildFile; fileRef = D25BF89F1E80C4BD007FB138 /* UIImage+LVCVagueImage.m */; };
+		D25BF8A31E80C4FC007FB138 /* Accelerate.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D25BF8A21E80C4FC007FB138 /* Accelerate.framework */; };
 		D2888D941E6EB8B4003A77C8 /* LVCTabBar.m in Sources */ = {isa = PBXBuildFile; fileRef = D2888D931E6EB8B4003A77C8 /* LVCTabBar.m */; };
 		D2888D9E1E6EBF1B003A77C8 /* LVCLiveViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D2888D9B1E6EBF1B003A77C8 /* LVCLiveViewController.m */; };
 		D2888DB11E6EC05F003A77C8 /* TempViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D2888DB01E6EC05F003A77C8 /* TempViewController.m */; };
@@ -515,6 +517,9 @@
 		D25BF8921E7FBAEA007FB138 /* LVCUGCBackgroundView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = LVCUGCBackgroundView.m; sourceTree = "<group>"; };
 		D25BF8961E7FE01B007FB138 /* CNLiveMsgTools.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = CNLiveMsgTools.framework; sourceTree = "<group>"; };
 		D25BF8981E7FE033007FB138 /* CNLiveChatManager.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = CNLiveChatManager.framework; sourceTree = "<group>"; };
+		D25BF89E1E80C4BD007FB138 /* UIImage+LVCVagueImage.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImage+LVCVagueImage.h"; sourceTree = "<group>"; };
+		D25BF89F1E80C4BD007FB138 /* UIImage+LVCVagueImage.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImage+LVCVagueImage.m"; sourceTree = "<group>"; };
+		D25BF8A21E80C4FC007FB138 /* Accelerate.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Accelerate.framework; path = System/Library/Frameworks/Accelerate.framework; sourceTree = SDKROOT; };
 		D2888D921E6EB8B4003A77C8 /* LVCTabBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LVCTabBar.h; sourceTree = "<group>"; };
 		D2888D931E6EB8B4003A77C8 /* LVCTabBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = LVCTabBar.m; sourceTree = "<group>"; };
 		D2888D9A1E6EBF1B003A77C8 /* LVCLiveViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LVCLiveViewController.h; sourceTree = "<group>"; };
@@ -532,6 +537,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D25BF8A31E80C4FC007FB138 /* Accelerate.framework in Frameworks */,
 				D2575C7D1E76A4F300E3A8FC /* NHGiftAnimtionSDK.a in Frameworks */,
 				812E50531E7699DC004F5FCD /* CNLivePlayerSDK.framework in Frameworks */,
 				D25BF89A1E7FE046007FB138 /* CNLiveChatManager.framework in Frameworks */,
@@ -625,6 +631,7 @@
 				D2029B9D1E6EAAA50027CD92 /* LiveVideoCloudTests */,
 				D2029BA81E6EAAA50027CD92 /* LiveVideoCloudUITests */,
 				D2029B821E6EAAA50027CD92 /* Products */,
+				D25BF8A11E80C4FC007FB138 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -1131,6 +1138,8 @@
 				D2029CE91E6EAE2E0027CD92 /* UILabel+labelFitSize.m */,
 				D2029CEA1E6EAE2E0027CD92 /* UIView+Extension.h */,
 				D2029CEB1E6EAE2E0027CD92 /* UIView+Extension.m */,
+				D25BF89E1E80C4BD007FB138 /* UIImage+LVCVagueImage.h */,
+				D25BF89F1E80C4BD007FB138 /* UIImage+LVCVagueImage.m */,
 			);
 			path = Category;
 			sourceTree = "<group>";
@@ -1406,6 +1415,14 @@
 			path = Videos;
 			sourceTree = "<group>";
 		};
+		D25BF8A11E80C4FC007FB138 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				D25BF8A21E80C4FC007FB138 /* Accelerate.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 		D2888D911E6EB897003A77C8 /* View */ = {
 			isa = PBXGroup;
 			children = (
@@ -1744,6 +1761,7 @@
 				D2029B861E6EAAA50027CD92 /* main.m in Sources */,
 				D2029C8C1E6EADE10027CD92 /* AFURLSessionManager.m in Sources */,
 				D2029C9F1E6EADE10027CD92 /* NSObject+MJKeyValue.m in Sources */,
+				D25BF8A01E80C4BD007FB138 /* UIImage+LVCVagueImage.m in Sources */,
 				D2888DB11E6EC05F003A77C8 /* TempViewController.m in Sources */,
 				810B65021E779B1F00133E15 /* MASViewAttribute.m in Sources */,
 				D2029CAC1E6EADE10027CD92 /* MJRefreshBackStateFooter.m in Sources */,
@@ -7,6 +7,7 @@
 //
 #import "LVCUGCPlayerLoadingView.h"
+#import "UIImage+LVCVagueImage.h"
 @interface LVCUGCPlayerLoadingView() {
@@ -32,38 +33,13 @@
 - (UIImageView *)bgImageView {
     if (!_bgImageView) {
-        // 1、创建输入图像，CIImage类型，这里使用一个网上图片。
-        CIImage *inputImage = [CIImage imageWithContentsOfURL:[NSURL URLWithString:@"http://echo-image.qiniucdn.com/FtPAdyCH-SlO-5xEe009AFE-N0EF?imageMogr2/auto-orient/quality/100%7CimageView2/4/w/640/q/100"]];
-        
-        // 2、构建一个滤镜图表
-        CIColor *sepiaColor = [CIColor colorWithRed:0.76 green:0.65 blue:0.54];
-        // 2.1 先构建一个 CIColorMonochrome 滤镜，并配置输入图像与滤镜参数
-        CIFilter *monochromeFilter = [CIFilter filterWithName:@"CIColorMonochrome" withInputParameters:@{@"inputColor" : sepiaColor,@"inputIntensity":@1.0}];
-        [monochromeFilter setValue:inputImage forKey:@"inputImage"];// 通过KVC来设置输入图像
-        // 2.2 先构建一个 CIVignette 滤镜
-        CIFilter *vignetteFilter = [CIFilter filterWithName:@"CIVignette" withInputParameters:@{@"inputRadius" : @2.0,@"inputIntensity" :@1.0}];
-        [vignetteFilter setValue:monochromeFilter.outputImage forKey:@"inputImage"];// 以monochromeFilter的输出来作为输入
-        
-        // 3、得到一个滤镜处理后的图片，并转换至 UIImage
-        // 创建一个 CIContext
-        CIContext *ciContext = [CIContext contextWithOptions:nil];
-        // 将 CIImage 过渡到 CGImageRef 类型
-        CGImageRef cgImage = [ciContext createCGImage:vignetteFilter.outputImage fromRect:inputImage.extent];
-        // 最后转换为 UIImage 类型
-        UIImage *uiImage = [UIImage imageWithCGImage:cgImage];
-
-//        NSString *path = [[NSBundle mainBundle] pathForResource:@"UGCLoading" ofType:@"jpeg"];
-//        UIImage *image = [UIImage imageWithContentsOfFile:path];
-        _bgImageView = [[UIImageView alloc] initWithImage:uiImage];
+        NSString *path = [[NSBundle mainBundle] pathForResource:@"UGCLoading" ofType:@"jpeg"];
+        UIImage *image = [UIImage imageWithContentsOfFile:path];
+        UIImage *blurImage = [UIImage boxblurImage:image withBlurNumber:0.6];
+        _bgImageView = [[UIImageView alloc] initWithImage:blurImage];
         _bgImageView.frame = CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
-        _bgImageView.backgroundColor = [UIColor whiteColor];
         _bgImageView.contentMode = UIViewContentModeScaleAspectFill;
         _bgImageView.clipsToBounds = YES;
-//        UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
-//        UIVisualEffectView *effectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
-//        effectView.frame = _bgImageView.bounds;
-//        [_bgImageView addSubview:effectView];
-//        effectView.alpha = .8f;
     }
     return _bgImageView;
 }
+//
+//  UIImage+LVCVagueImage.h
+//  LiveVideoCloud
+//
+//  Created by cnliveJunBo on 17/3/21.
+//  Copyright © 2017年 cnlive. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface UIImage (LVCVagueImage)
+
++ (UIImage *)boxblurImage:(UIImage *)image withBlurNumber:(CGFloat)blur;
+
+@end
+//
+//  UIImage+LVCVagueImage.m
+//  LiveVideoCloud
+//
+//  Created by cnliveJunBo on 17/3/21.
+//  Copyright © 2017年 cnlive. All rights reserved.
+//
+
+#import "UIImage+LVCVagueImage.h"
+#import <Accelerate/Accelerate.h>
+
+@implementation UIImage (LVCVagueImage)
+
++ (UIImage *)boxblurImage:(UIImage *)image withBlurNumber:(CGFloat)blur
+{
+    if (blur < 0.f || blur > 1.f) {
+        blur = 0.5f;
+    }
+    int boxSize = (int)(blur * 40);
+    boxSize = boxSize - (boxSize % 2) + 1;
+    CGImageRef img = image.CGImage;
+    vImage_Buffer inBuffer, outBuffer;
+    vImage_Error error;
+    void *pixelBuffer;
+    //从CGImage中获取数据
+    CGDataProviderRef inProvider = CGImageGetDataProvider(img);
+    CFDataRef inBitmapData = CGDataProviderCopyData(inProvider);
+    //设置从CGImage获取对象的属性
+    inBuffer.width = CGImageGetWidth(img);
+    inBuffer.height = CGImageGetHeight(img);
+    inBuffer.rowBytes = CGImageGetBytesPerRow(img);
+    inBuffer.data = (void*)CFDataGetBytePtr(inBitmapData);
+    pixelBuffer = malloc(CGImageGetBytesPerRow(img) * CGImageGetHeight(img));
+    if(pixelBuffer == NULL)
+        NSLog(@"No pixelbuffer");
+    outBuffer.data = pixelBuffer;
+    outBuffer.width = CGImageGetWidth(img);
+    outBuffer.height = CGImageGetHeight(img);
+    outBuffer.rowBytes = CGImageGetBytesPerRow(img);
+    error = vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, NULL, 0, 0, boxSize, boxSize, NULL, kvImageEdgeExtend);
+    if (error) {
+        NSLog(@"error from convolution %ld", error);
+    }
+    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+    CGContextRef ctx = CGBitmapContextCreate( outBuffer.data, outBuffer.width, outBuffer.height, 8, outBuffer.rowBytes, colorSpace, kCGImageAlphaNoneSkipLast);
+    CGImageRef imageRef = CGBitmapContextCreateImage (ctx);
+    UIImage *returnImage = [UIImage imageWithCGImage:imageRef];
+    //clean up CGContextRelease(ctx);
+    CGColorSpaceRelease(colorSpace);
+    free(pixelBuffer);
+    CFRelease(inBitmapData);
+    CGColorSpaceRelease(colorSpace);
+    CGImageRelease(imageRef);
+    return returnImage;
+}
+
+@end