tederen_ios/smartRhino/Project/Tools/UtilsTools.m

//
//  UtilsTools.m
//  smartRhino
//
//  Created by armin on 2019/11/1.
//  Copyright © 2019 tederen. All rights reserved.
//

#import "UtilsTools.h"

@implementation UtilsTools

#pragma mark - UIModalPresentationStyle 显示方式
+ (UIModalPresentationStyle)modalPresentationStyle:(UIModalPresentationStyle)modalPresentationStyle {
    UIModalPresentationStyle returnModalPresentationStyle;
    if ((modalPresentationStyle == UIModalPresentationFullScreen/*0*/) ||
        (modalPresentationStyle == UIModalPresentationCurrentContext/*3*/) ||
        (modalPresentationStyle == UIModalPresentationCustom/*4*/) ||
        (modalPresentationStyle == UIModalPresentationOverFullScreen/*5*/) ||
        (modalPresentationStyle == UIModalPresentationOverCurrentContext/*6*/)) {
        returnModalPresentationStyle = modalPresentationStyle;
    }else if((modalPresentationStyle == UIModalPresentationPageSheet/*1*/) ||
             (modalPresentationStyle == UIModalPresentationFormSheet/*2*/) ||
             (modalPresentationStyle == UIModalPresentationPopover/*7*/)) {
        returnModalPresentationStyle = UIModalPresentationFullScreen;
    }else{
        //UIModalPresentationBlurOverFullScreen/*8*/
        //UIModalPresentationNone/*-1*/
        //UIModalPresentationAutomatic/*-2*/
        returnModalPresentationStyle = UIModalPresentationFullScreen;
    }
    return returnModalPresentationStyle;
}

+(UIWindow*)getWindow {
    UIWindow* win = nil; //[UIApplication sharedApplication].keyWindow;
    for (id item in [UIApplication sharedApplication].windows) {
        if([item class] == [UIWindow class]) {
            if(!((UIWindow*)item).hidden) {
                win = item;
                break;
            }
        }
    }
    return win;
}

+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size
{
    CGRect rect = CGRectMake(0, 0, size.width, size.height);
    UIGraphicsBeginImageContext(rect.size);
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSetFillColorWithColor(context, [color CGColor]);
    CGContextFillRect(context, rect);
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return image;
}

+ (UIImage*) imageWithColor:(UIColor*)color andHeight:(CGFloat)height
{
    CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, height);
    UIGraphicsBeginImageContext(rect.size);
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSetFillColorWithColor(context, [color CGColor]);
    CGContextFillRect(context, rect);
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return image;
}

//计算聊天消息的高 不是公用
+ (CGFloat)calculationHeightWithContent:(NSString *)content{
    CGFloat oneLineMaxW = SCREEN_WIDTH - (81+87);
    CGSize size = [content sizeWithFont:[UIFont systemFontOfSize:16] byWidth:oneLineMaxW textLineSpacing:5];
    
    if(size.height <= 40){
        return 40 + 15;
    }else{
        return size.height + 15 + 14*2;
    }
}

//计算聊天消息的宽 不是公用
+ (CGFloat)calculationWidthWithContent:(NSString *)content{
    
    CGFloat oneLineMaxW = SCREEN_WIDTH - (81+87);
    
    UILabel *tempLabel = [[UILabel alloc] init];
    tempLabel.frame = CGRectMake(0, 0, oneLineMaxW, 1);
    tempLabel.text = content;
    [tempLabel sizeToFit];
    
    if(tempLabel.width > oneLineMaxW){
        return SCREEN_WIDTH - 97 - oneLineMaxW;
    }else{
        return SCREEN_WIDTH - 97 - tempLabel.width;
    }
}

@end