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[Image] Add scale support for base64-encoded image.

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Summary:
Fix issue #1136
Closes https://github.com/facebook/react-native/pull/1721
Github Author: =?UTF-8?q?=E9=9A=90=E9=A3=8E?= <yinfeng.fcx@alibaba-inc.com>

Test Plan: Imported from GitHub, without a `Test Plan:` line.
This commit is contained in:
=?UTF-8?q?=E9=9A=90=E9=A3=8E?= 2015-06-25 06:00:02 -07:00
parent f23c022f1b
commit 7fc86dded3
4 changed files with 21 additions and 9 deletions
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18
React/Base/RCTConvert.m
View File

@ -635,17 +635,24 @@ RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
return nil;
}
if (RCT_DEBUG && ![json isKindOfClass:[NSString class]]) {
if (RCT_DEBUG && ![json isKindOfClass:[NSString class]] && ![json isKindOfClass:[NSDictionary class]]) {
RCTLogConvertError(json, "an image");
return nil;
}
UIImage *image;
NSString *path;
CGFloat scale = 0.0;
if ([json isKindOfClass:[NSString class]]) {
if ([json length] == 0) {
return nil;
}
path = json;
} else {
path = [self NSString:json[@"uri"]];
scale = [self CGFloat:json[@"scale"]];
}
UIImage *image = nil;
NSString *path = json;
if ([path hasPrefix:@"data:"]) {
NSURL *url = [NSURL URLWithString:path];
NSData *imageData = [NSData dataWithContentsOfURL:url];
@ -658,6 +665,11 @@ RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
image = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:path ofType:nil]];
}
}
if (scale > 0) {
image = [UIImage imageWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
}
// NOTE: we don't warn about nil images because there are legitimate
// case where we find out if a string is an image by using this method
return image;

2
React/Views/RCTTabBarItem.h
View File

@ -11,7 +11,7 @@
@interface RCTTabBarItem : UIView
@property (nonatomic, copy) NSString *icon;
@property (nonatomic, copy) id icon;
@property (nonatomic, assign, getter=isSelected) BOOL selected;
@property (nonatomic, readonly) UITabBarItem *barItem;

2
React/Views/RCTTabBarItem.m
View File

@ -25,7 +25,7 @@
return _barItem;
}
- (void)setIcon:(NSString *)icon
- (void)setIcon:(id)icon
{
static NSDictionary *systemIcons;
static dispatch_once_t onceToken;

2
React/Views/RCTTabBarItemManager.m
View File

@ -22,7 +22,7 @@ RCT_EXPORT_MODULE()
}
RCT_EXPORT_VIEW_PROPERTY(selected, BOOL);
RCT_EXPORT_VIEW_PROPERTY(icon, NSString);
RCT_EXPORT_VIEW_PROPERTY(icon, id);
RCT_REMAP_VIEW_PROPERTY(selectedIcon, barItem.selectedImage, UIImage);
RCT_REMAP_VIEW_PROPERTY(badge, barItem.badgeValue, NSString);
RCT_CUSTOM_VIEW_PROPERTY(title, NSString, RCTTabBarItem)