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feat:add PlcaeHolder and Error setting for Image

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This commit is contained in:
pengfei.zhou
2020-03-05 11:01:10 +08:00
committed by osborn
parent 9394e8927e
commit 5053262dd5
13 changed files with 393 additions and 28 deletions
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3
doric-iOS/Pod/Classes/DoricRegistry.h
View File

@@ -22,11 +22,14 @@
#import <Foundation/Foundation.h>
#import "DoricMonitorProtocol.h"
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
@class DoricLibrary;
@interface DoricRegistry : NSObject <DoricMonitorProtocol>
@property(nonatomic, strong) UIImage *defaultPlaceHolderImage;
@property(nonatomic, strong) UIImage *defaultErrorImage;
- (NSString *)acquireJSBundle:(NSString *)name;

77
doric-iOS/Pod/Classes/Shader/DoricImageNode.m
View File

@@ -27,6 +27,11 @@
@interface DoricImageNode ()
@property(nonatomic, copy) NSString *loadCallbackId;
@property(nonatomic, assign) BOOL isBlur;
@property(nonatomic, assign) UIViewContentMode contentMode;
@property(nonatomic, strong) NSNumber *placeHolderColor;
@property(nonatomic, strong) NSString *placeHolderImage;
@property(nonatomic, strong) NSNumber *errorColor;
@property(nonatomic, strong) NSString *errorImage;
@end
@implementation DoricImageNode
@@ -39,19 +44,78 @@ - (UIImageView *)build {
- (void)blend:(NSDictionary *)props {
NSInteger value = [props[@"isBlur"] intValue];
if(value == 1) {
if (value == 1) {
self.isBlur = YES;
}
[props[@"placeHolderColor"] also:^(id it) {
self.placeHolderColor = it;
}];
[props[@"placeHolderImage"] also:^(id it) {
self.placeHolderImage = it;
}];
[props[@"errorColor"] also:^(id it) {
self.errorColor = it;
}];
[props[@"errorImage"] also:^(id it) {
self.errorImage = it;
}];
[super blend:props];
}
- (UIImage *)currentPlaceHolderImage {
if (self.placeHolderImage) {
return [UIImage imageNamed:self.placeHolderImage];
}
if (self.placeHolderColor) {
UIColor *color = DoricColor(self.placeHolderColor);
CGRect rect = CGRectMake(0, 0, 1, 1);
self.view.contentMode = UIViewContentModeScaleToFill;
UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, color.CGColor);
CGContextFillRect(context, rect);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
return self.doricContext.driver.registry.defaultPlaceHolderImage;
}
- (UIImage *)currentErrorImage {
if (self.errorImage) {
return [UIImage imageNamed:self.errorImage];
}
if (self.errorColor) {
UIColor *color = DoricColor(self.errorColor);
CGRect rect = CGRectMake(0, 0, 1, 1);
self.view.contentMode = UIViewContentModeScaleToFill;
UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, color.CGColor);
CGContextFillRect(context, rect);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
return self.doricContext.driver.registry.defaultErrorImage;
}
- (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id)prop {
if ([@"imageUrl" isEqualToString:name]) {
__weak typeof(self) _self = self;
[view yy_setImageWithURL:[NSURL URLWithString:prop] placeholder:nil options:0 completion:^(UIImage *image, NSURL *url, YYWebImageFromType from, YYWebImageStage stage, NSError *error) {
[view yy_setImageWithURL:[NSURL URLWithString:prop] placeholder:[self currentPlaceHolderImage] options:0 completion:^(UIImage *image, NSURL *url, YYWebImageFromType from, YYWebImageStage stage, NSError *error) {
__strong typeof(_self) self = _self;
if (self.placeHolderColor || self.errorColor) {
self.view.contentMode = self.contentMode;
}
if (error) {
[[self currentErrorImage] also:^(UIImage *it) {
view.image = it;
}];
if (self.loadCallbackId.length > 0) {
[self callJSResponse:self.loadCallbackId, nil];
}
@@ -63,10 +127,10 @@ - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id
}
[self requestLayout];
}
if(self.isBlur) {
if (self.isBlur) {
UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
UIVisualEffectView *effectView = [[UIVisualEffectView alloc]initWithEffect:blurEffect];
UIVisualEffectView *effectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
effectView.frame = CGRectMake(0, 0, image.size.width, image.size.height);
[view addSubview:effectView];
}
@@ -86,6 +150,7 @@ - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id
break;
}
}
self.contentMode = self.view.contentMode;
} else if ([@"loadCallback" isEqualToString:name]) {
self.loadCallbackId = prop;
} else if ([@"imageBase64" isEqualToString:name]) {