/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import "SDGraphicsImageRenderer.h"
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#import "SDImageGraphics.h"
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@interface SDGraphicsImageRendererFormat ()
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#if SD_UIKIT
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@property (nonatomic, strong) UIGraphicsImageRendererFormat *uiformat API_AVAILABLE(ios(10.0), tvos(10.0));
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#endif
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@end
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@implementation SDGraphicsImageRendererFormat
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@synthesize scale = _scale;
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@synthesize opaque = _opaque;
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@synthesize preferredRange = _preferredRange;
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#pragma mark - Property
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- (CGFloat)scale {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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return self.uiformat.scale;
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} else {
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return _scale;
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}
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#else
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return _scale;
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#endif
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}
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- (void)setScale:(CGFloat)scale {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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self.uiformat.scale = scale;
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} else {
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_scale = scale;
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}
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#else
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_scale = scale;
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#endif
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}
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- (BOOL)opaque {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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return self.uiformat.opaque;
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} else {
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return _opaque;
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}
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#else
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return _opaque;
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#endif
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}
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- (void)setOpaque:(BOOL)opaque {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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self.uiformat.opaque = opaque;
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} else {
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_opaque = opaque;
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}
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#else
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_opaque = opaque;
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#endif
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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- (SDGraphicsImageRendererFormatRange)preferredRange {
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#if SD_VISION
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return (SDGraphicsImageRendererFormatRange)self.uiformat.preferredRange;
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#elif SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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if (@available(iOS 12.0, tvOS 12.0, *)) {
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return (SDGraphicsImageRendererFormatRange)self.uiformat.preferredRange;
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} else {
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BOOL prefersExtendedRange = self.uiformat.prefersExtendedRange;
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if (prefersExtendedRange) {
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return SDGraphicsImageRendererFormatRangeExtended;
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} else {
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return SDGraphicsImageRendererFormatRangeStandard;
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}
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}
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} else {
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return _preferredRange;
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}
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#else
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return _preferredRange;
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#endif
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}
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- (void)setPreferredRange:(SDGraphicsImageRendererFormatRange)preferredRange {
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#if SD_VISION
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self.uiformat.preferredRange = (UIGraphicsImageRendererFormatRange)preferredRange;
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#elif SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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if (@available(iOS 12.0, tvOS 12.0, *)) {
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self.uiformat.preferredRange = (UIGraphicsImageRendererFormatRange)preferredRange;
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} else {
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switch (preferredRange) {
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case SDGraphicsImageRendererFormatRangeExtended:
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self.uiformat.prefersExtendedRange = YES;
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break;
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case SDGraphicsImageRendererFormatRangeStandard:
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self.uiformat.prefersExtendedRange = NO;
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default:
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// Automatic means default
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break;
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}
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}
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} else {
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_preferredRange = preferredRange;
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}
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#else
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_preferredRange = preferredRange;
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#endif
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}
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#pragma clang diagnostic pop
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- (instancetype)init {
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self = [super init];
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if (self) {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.10, *)) {
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UIGraphicsImageRendererFormat *uiformat = [[UIGraphicsImageRendererFormat alloc] init];
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self.uiformat = uiformat;
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} else {
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#endif
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#if SD_VISION
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CGFloat screenScale = UITraitCollection.currentTraitCollection.displayScale;
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#elif SD_WATCH
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CGFloat screenScale = [WKInterfaceDevice currentDevice].screenScale;
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#elif SD_UIKIT
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CGFloat screenScale = [UIScreen mainScreen].scale;
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#elif SD_MAC
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NSScreen *mainScreen = nil;
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if (@available(macOS 10.12, *)) {
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mainScreen = [NSScreen mainScreen];
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} else {
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mainScreen = [NSScreen screens].firstObject;
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}
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CGFloat screenScale = mainScreen.backingScaleFactor ?: 1.0f;
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#endif
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self.scale = screenScale;
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self.opaque = NO;
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#if SD_UIKIT
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}
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#endif
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}
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return self;
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}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunguarded-availability"
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- (instancetype)initForMainScreen {
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self = [super init];
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if (self) {
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.0, *)) {
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UIGraphicsImageRendererFormat *uiformat;
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// iOS 11.0.0 GM does have `preferredFormat`, but iOS 11 betas did not (argh!)
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if ([UIGraphicsImageRenderer respondsToSelector:@selector(preferredFormat)]) {
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uiformat = [UIGraphicsImageRendererFormat preferredFormat];
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} else {
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uiformat = [UIGraphicsImageRendererFormat defaultFormat];
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}
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self.uiformat = uiformat;
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} else {
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#endif
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#if SD_VISION
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CGFloat screenScale = UITraitCollection.currentTraitCollection.displayScale;
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#elif SD_WATCH
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CGFloat screenScale = [WKInterfaceDevice currentDevice].screenScale;
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#elif SD_UIKIT
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CGFloat screenScale = [UIScreen mainScreen].scale;
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#elif SD_MAC
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NSScreen *mainScreen = nil;
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if (@available(macOS 10.12, *)) {
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mainScreen = [NSScreen mainScreen];
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} else {
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mainScreen = [NSScreen screens].firstObject;
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}
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CGFloat screenScale = mainScreen.backingScaleFactor ?: 1.0f;
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#endif
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self.scale = screenScale;
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self.opaque = NO;
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#if SD_UIKIT
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}
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#endif
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}
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return self;
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}
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#pragma clang diagnostic pop
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+ (instancetype)preferredFormat {
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SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] initForMainScreen];
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return format;
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}
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@end
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@interface SDGraphicsImageRenderer ()
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@property (nonatomic, assign) CGSize size;
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@property (nonatomic, strong) SDGraphicsImageRendererFormat *format;
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#if SD_UIKIT
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@property (nonatomic, strong) UIGraphicsImageRenderer *uirenderer API_AVAILABLE(ios(10.0), tvos(10.0));
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#endif
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@end
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@implementation SDGraphicsImageRenderer
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- (instancetype)initWithSize:(CGSize)size {
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return [self initWithSize:size format:SDGraphicsImageRendererFormat.preferredFormat];
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}
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- (instancetype)initWithSize:(CGSize)size format:(SDGraphicsImageRendererFormat *)format {
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NSParameterAssert(format);
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self = [super init];
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if (self) {
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self.size = size;
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self.format = format;
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.0, *)) {
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UIGraphicsImageRendererFormat *uiformat = format.uiformat;
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self.uirenderer = [[UIGraphicsImageRenderer alloc] initWithSize:size format:uiformat];
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}
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#endif
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}
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return self;
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}
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- (UIImage *)imageWithActions:(NS_NOESCAPE SDGraphicsImageDrawingActions)actions {
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NSParameterAssert(actions);
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#if SD_UIKIT
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if (@available(iOS 10.0, tvOS 10.0, *)) {
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UIGraphicsImageDrawingActions uiactions = ^(UIGraphicsImageRendererContext *rendererContext) {
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if (actions) {
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actions(rendererContext.CGContext);
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}
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};
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return [self.uirenderer imageWithActions:uiactions];
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} else {
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#endif
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SDGraphicsBeginImageContextWithOptions(self.size, self.format.opaque, self.format.scale);
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CGContextRef context = SDGraphicsGetCurrentContext();
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if (actions) {
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actions(context);
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}
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UIImage *image = SDGraphicsGetImageFromCurrentImageContext();
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SDGraphicsEndImageContext();
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return image;
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#if SD_UIKIT
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}
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#endif
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}
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@end
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