Skip to content

GitLab

Commit fbd27f9e authored by Felix Paul Kühne's avatar Felix Paul Kühne
Browse files

add an efficient, generic implementation to scale any image to fit any frame

parent b80de18f
Hide whitespace changes
Inline Side-by-side
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 */,
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment