Alexandre Lision | 261f1b9 | 2016-04-04 12:35:34 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Savoir-faire Linux Inc. |
| 3 | * Author: Alexandre Lision <alexandre.lision@savoirfairelinux.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | */ |
| 19 | |
| 20 | #import "NSImage+Extensions.h" |
| 21 | |
| 22 | @implementation NSImage (Extensions) |
| 23 | |
| 24 | + (NSImage *)imageResize:(NSImage*)anImage |
| 25 | newSize:(NSSize)newSize |
| 26 | { |
| 27 | auto sourceImage = anImage; |
| 28 | // Report an error if the source isn't a valid image |
| 29 | if (![sourceImage isValid]) { |
| 30 | NSLog(@"Invalid Image"); |
| 31 | } else { |
| 32 | auto smallImage = [[NSImage alloc] initWithSize: newSize]; |
| 33 | [smallImage lockFocus]; |
| 34 | [sourceImage setSize: newSize]; |
| 35 | [[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationHigh]; |
| 36 | [sourceImage drawAtPoint:NSZeroPoint fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.]; |
| 37 | [smallImage unlockFocus]; |
| 38 | return smallImage; |
| 39 | } |
| 40 | return nil; |
| 41 | } |
| 42 | |
| 43 | @end |