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Commit fbd27f9e authored by Felix Paul Kühne's avatar Felix Paul Kühne
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add an efficient, generic implementation to scale any image to fit any frame

parent b80de18f
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Sources/UIImage+Scaling.h 0 → 100644
View file @ fbd27f9e
/*****************************************************************************
* UIImage+Scaling.h
* VLC for iOS
*****************************************************************************
* Copyright (c) 2015 VideoLAN. All rights reserved.
* $Id$
*
* Authors: Felix Paul Kühne <fkuehne # videolan.org>
*
* Refer to the COPYING file of the official project for license.
*****************************************************************************/
@interface UIImage (Scaling)
+ (UIImage *)scaleImage:(UIImage *)image toFitRect:(CGRect)rect;
@end
Sources/UIImage+Scaling.m 0 → 100644
View file @ fbd27f9e
/*****************************************************************************
* UIImage+Scaling.m
* VLC for iOS
*****************************************************************************
* Copyright (c) 2015 VideoLAN. All rights reserved.
* $Id$
*
* Authors: Felix Paul Kühne <fkuehne # videolan.org>
*
* Refer to the COPYING file of the official project for license.
*****************************************************************************/
#import <UIKit/UIKit.h>
#import "UIImage+Scaling.h"
#import <AVFoundation/AVFoundation.h>
@implementation UIImage (Scaling)
+ (UIImage *)scaleImage:(UIImage *)image toFitRect:(CGRect)rect
{
CGRect destinationRect = AVMakeRectWithAspectRatioInsideRect(image.size, rect);
CGImageRef cgImage = image.CGImage;
size_t bitsPerComponent = CGImageGetBitsPerComponent(cgImage);
size_t bytesPerRow = CGImageGetBytesPerRow(cgImage);
CGColorSpaceRef colorSpaceRef = CGImageGetColorSpace(cgImage);
CGBitmapInfo bitmapInfoRef = CGImageGetBitmapInfo(cgImage);
CGContextRef contextRef = CGBitmapContextCreate(NULL,
destinationRect.size.width,
destinationRect.size.height,
bitsPerComponent,
bytesPerRow,
colorSpaceRef,
bitmapInfoRef);
CGContextSetInterpolationQuality(contextRef, kCGInterpolationLow);
CGContextDrawImage(contextRef, destinationRect, cgImage);
return [UIImage imageWithCGImage:CGBitmapContextCreateImage(contextRef)];
}
@end
VLC for iOS.xcodeproj/project.pbxproj
View file @ fbd27f9e
......@@ -314,6 +314,7 @@
7D71395A186B197800D54EDA /* darkButton@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D713956186B197800D54EDA /* darkButton@2x.png */; };
7D71395B186B197800D54EDA /* darkButtonHighlight.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D713957186B197800D54EDA /* darkButtonHighlight.png */; };
7D71395C186B197800D54EDA /* darkButtonHighlight@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D713958186B197800D54EDA /* darkButtonHighlight@2x.png */; };
7D871F521AD7257100348D27 /* UIImage+Scaling.m in Sources */ = {isa = PBXBuildFile; fileRef = 7D871F501AD7257100348D27 /* UIImage+Scaling.m */; };
7D89786F185DED88009BAB5D /* VLCFutureDownloadViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 7D89786E185DED88009BAB5D /* VLCFutureDownloadViewController.xib */; };
7D897874185DEF79009BAB5D /* repeat.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D897870185DEF79009BAB5D /* repeat.png */; };
7D897875185DEF79009BAB5D /* repeat@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 7D897871185DEF79009BAB5D /* repeat@2x.png */; };
......@@ -1201,6 +1202,8 @@
7D8139CF1865211900D65504 /* ms */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ms; path = "ms.lproj/badgeUnread@2x~iphone.png"; sourceTree = "<group>"; };
7D8139D01865211900D65504 /* ms */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ms; path = "ms.lproj/badgeUnread~ipad.png"; sourceTree = "<group>"; };
7D8139D11865211900D65504 /* ms */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = ms; path = "ms.lproj/badgeUnread~iphone.png"; sourceTree = "<group>"; };
7D871F4F1AD7257100348D27 /* UIImage+Scaling.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "UIImage+Scaling.h"; path = "Sources/UIImage+Scaling.h"; sourceTree = SOURCE_ROOT; };
7D871F501AD7257100348D27 /* UIImage+Scaling.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "UIImage+Scaling.m"; path = "Sources/UIImage+Scaling.m"; sourceTree = SOURCE_ROOT; };
7D882244185733D500D87252 /* Default-ipad-Landscape.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-ipad-Landscape.png"; sourceTree = "<group>"; };
7D882245185733D500D87252 /* Default-ipad-Landscape@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-ipad-Landscape@2x.png"; sourceTree = "<group>"; };
7D882246185733D500D87252 /* Default-ipad-Portrait.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-ipad-Portrait.png"; sourceTree = "<group>"; };
......@@ -2952,6 +2955,8 @@
7D3784C7183A9972009EE944 /* UIDevice+VLC.m */,
7D168F7218D4A317003FAF59 /* UIImage+Blur.h */,
7D168F7318D4A33F003FAF59 /* UIImage+Blur.m */,
7D871F4F1AD7257100348D27 /* UIImage+Scaling.h */,
7D871F501AD7257100348D27 /* UIImage+Scaling.m */,
7DF9352D1958AB0600E60FD4 /* UIColor+Presets.h */,
7DF9352E1958AB0600E60FD4 /* UIColor+Presets.m */,
);
......@@ -3600,6 +3605,7 @@
DD6FA7B01ACD641C006DEB2E /* VLCNowPlayingInterfaceController.m in Sources */,
7DE715ED1AD2DAE50075E716 /* VLCThumbnailsCache.m in Sources */,
7D298F451AD58A0700A0BF68 /* UIImage+Blur.m in Sources */,
7D871F521AD7257100348D27 /* UIImage+Scaling.m in Sources */,
DDF157B11ACB162700AAFBC6 /* MediaLibrary.xcdatamodeld in Sources */,
DDE490731ACE964200B1B5E3 /* VLCBaseInterfaceController.m in Sources */,
DDE4906C1ACDB63F00B1B5E3 /* VLCNotificationRelay.m in Sources */,
......
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