فهرست منبع

Add UIImage extension to blur imagery

Contains code by Dmitry Klimkin licensed under MIT
Felix Paul Kühne 11 سال پیش
والد
کامیت
b682bc73d0
3فایلهای تغییر یافته به همراه123 افزوده شده و 0 حذف شده
  1. 27 0
      Sources/UIImage+Blur.h
  2. 86 0
      Sources/UIImage+Blur.m
  3. 10 0
      VLC for iOS.xcodeproj/project.pbxproj

+ 27 - 0
Sources/UIImage+Blur.h

@@ -0,0 +1,27 @@
+/* This file is adapted from DKLiveBlur - https://github.com/kronik/DKLiveBlur
+ *
+ * Copyright (C) 2013 by Dmitry Klimkin
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE. */
+
+@interface UIImage (Blur)
+
++ (UIImage *)applyBlurOnImage:(UIImage *)imageToBlur withRadius:(CGFloat)blurRadius;
+
+@end

+ 86 - 0
Sources/UIImage+Blur.m

@@ -0,0 +1,86 @@
+/* This file is adapted from DKLiveBlur - https://github.com/kronik/DKLiveBlur
+ *
+ * Copyright (C) 2013 by Dmitry Klimkin
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE. */
+
+#import <Accelerate/Accelerate.h>
+
+@implementation UIImage (Blur)
+
++ (UIImage *)applyBlurOnImage:(UIImage *)imageToBlur withRadius:(CGFloat)blurRadius {
+    if ((blurRadius < 0.0f) || (blurRadius > 1.0f)) {
+        blurRadius = 0.5f;
+    }
+
+    int boxSize = (int)(blurRadius * 100);
+    boxSize -= (boxSize % 2) + 1;
+
+    CGImageRef rawImage = imageToBlur.CGImage;
+
+    vImage_Buffer inBuffer, outBuffer;
+    vImage_Error error;
+    void *pixelBuffer;
+
+    CGDataProviderRef inProvider = CGImageGetDataProvider(rawImage);
+    CFDataRef inBitmapData = CGDataProviderCopyData(inProvider);
+
+    inBuffer.width = CGImageGetWidth(rawImage);
+    inBuffer.height = CGImageGetHeight(rawImage);
+    inBuffer.rowBytes = CGImageGetBytesPerRow(rawImage);
+    inBuffer.data = (void*)CFDataGetBytePtr(inBitmapData);
+
+    pixelBuffer = malloc(CGImageGetBytesPerRow(rawImage) * CGImageGetHeight(rawImage));
+
+    outBuffer.data = pixelBuffer;
+    outBuffer.width = CGImageGetWidth(rawImage);
+    outBuffer.height = CGImageGetHeight(rawImage);
+    outBuffer.rowBytes = CGImageGetBytesPerRow(rawImage);
+
+    error = vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, NULL,
+                                       0, 0, boxSize, boxSize, NULL,
+                                       kvImageEdgeExtend);
+    if (error)
+        APLog(@"blur error: convolution failed");
+
+        CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+
+        CGContextRef ctx = CGBitmapContextCreate(outBuffer.data,
+                                                 outBuffer.width,
+                                                 outBuffer.height,
+                                                 8,
+                                                 outBuffer.rowBytes,
+                                                 colorSpace,
+                                                 CGImageGetBitmapInfo(imageToBlur.CGImage));
+
+        CGImageRef imageRef = CGBitmapContextCreateImage (ctx);
+        UIImage *returnImage = [UIImage imageWithCGImage:imageRef];
+
+        //clean up
+        CGContextRelease(ctx);
+        CGColorSpaceRelease(colorSpace);
+
+        free(pixelBuffer);
+        CFRelease(inBitmapData);
+        CGImageRelease(imageRef);
+        
+        return returnImage;
+}
+
+@end

+ 10 - 0
VLC for iOS.xcodeproj/project.pbxproj

@@ -94,6 +94,8 @@
 		7D16035E17BF9FE600F29B34 /* sudHeaderBg@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D16035A17BF9FE600F29B34 /* sudHeaderBg@2x.png */; };
 		7D16035F17BF9FE600F29B34 /* headerSidebar@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D16035B17BF9FE600F29B34 /* headerSidebar@2x.png */; };
 		7D16036017BF9FE600F29B34 /* headerSidebar.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D16035C17BF9FE600F29B34 /* headerSidebar.png */; };
+		7D168F7118D4A21B003FAF59 /* Accelerate.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7D168F7018D4A21B003FAF59 /* Accelerate.framework */; };
+		7D168F7418D4A33F003FAF59 /* UIImage+Blur.m in Sources */ = {isa = PBXBuildFile; fileRef = 7D168F7318D4A33F003FAF59 /* UIImage+Blur.m */; };
 		7D1AC3041762996100BD2EB5 /* resetIcon.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D1AC3021762996100BD2EB5 /* resetIcon.png */; };
 		7D1AC3051762996100BD2EB5 /* resetIcon@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D1AC3031762996100BD2EB5 /* resetIcon@2x.png */; };
 		7D1AC30817629AB600BD2EB5 /* ratioIcon.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D1AC30617629AB600BD2EB5 /* ratioIcon.png */; };
@@ -523,6 +525,9 @@
 		7D168F6D18D49E74003FAF59 /* lv */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = lv; path = "lv.lproj/badgeUnread@2x~iphone.png"; sourceTree = "<group>"; };
 		7D168F6E18D49E74003FAF59 /* lv */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = lv; path = "lv.lproj/badgeUnread~ipad.png"; sourceTree = "<group>"; };
 		7D168F6F18D49E74003FAF59 /* lv */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = lv; path = "lv.lproj/badgeUnread~iphone.png"; sourceTree = "<group>"; };
+		7D168F7018D4A21B003FAF59 /* Accelerate.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Accelerate.framework; path = System/Library/Frameworks/Accelerate.framework; sourceTree = SDKROOT; };
+		7D168F7218D4A317003FAF59 /* UIImage+Blur.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "UIImage+Blur.h"; path = "Sources/UIImage+Blur.h"; sourceTree = SOURCE_ROOT; };
+		7D168F7318D4A33F003FAF59 /* UIImage+Blur.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "UIImage+Blur.m"; path = "Sources/UIImage+Blur.m"; sourceTree = SOURCE_ROOT; };
 		7D19492B17C661A300959800 /* el */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = el; path = el.lproj/Localizable.strings; sourceTree = "<group>"; };
 		7D19492C17C661A300959800 /* el */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = el; path = "el.lproj/badgeUnread@2x~ipad.png"; sourceTree = "<group>"; };
 		7D19492D17C661A300959800 /* el */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = el; path = "el.lproj/badgeUnread@2x~iphone.png"; sourceTree = "<group>"; };
@@ -1152,6 +1157,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				7D168F7118D4A21B003FAF59 /* Accelerate.framework in Frameworks */,
 				CCE2A22E17A5859E00D9EAAD /* CoreText.framework in Frameworks */,
 				7D89788A185E1344009BAB5D /* libCrashReporter.a in Frameworks */,
 				7DF7CA0717650C2A00C61739 /* AVFoundation.framework in Frameworks */,
@@ -1760,6 +1766,7 @@
 		7D94FCDD16DE7D1000F2623B /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				7D168F7018D4A21B003FAF59 /* Accelerate.framework */,
 				7D897889185E1344009BAB5D /* libCrashReporter.a */,
 				7D89788B185E1353009BAB5D /* libQuincyLib.a */,
 				7D897894185E14A7009BAB5D /* libGTLTouchStaticLib.a */,
@@ -2179,6 +2186,8 @@
 				7D3784C5183A9972009EE944 /* NSString+SupportedMedia.m */,
 				7D3784C6183A9972009EE944 /* UIDevice+SpeedCategory.h */,
 				7D3784C7183A9972009EE944 /* UIDevice+SpeedCategory.m */,
+				7D168F7218D4A317003FAF59 /* UIImage+Blur.h */,
+				7D168F7318D4A33F003FAF59 /* UIImage+Blur.m */,
 			);
 			name = Extensions;
 			sourceTree = "<group>";
@@ -2609,6 +2618,7 @@
 				7D6B08F1174D65B500A05173 /* IASKSettingsStoreUserDefaults.m in Sources */,
 				7D6B08F2174D65B500A05173 /* IASKSpecifier.m in Sources */,
 				7D6B08F3174D65B500A05173 /* IASKPSSliderSpecifierViewCell.m in Sources */,
+				7D168F7418D4A33F003FAF59 /* UIImage+Blur.m in Sources */,
 				7D6B08F4174D65B500A05173 /* IASKPSTextFieldSpecifierViewCell.m in Sources */,
 				7D6B08F5174D65B500A05173 /* IASKPSTitleValueSpecifierViewCell.m in Sources */,
 				9B5BEF2917FBAEA50016F9CB /* GTLDrive_Sources.m in Sources */,