Erase Image Content in Preview with Copied Color Blocks

Apple’s Preview is a surprisingly capable graphics editor for making quick changes to screenshots and other illustrations, but it lacks a built-in way to delete content while leaving the background. Here’s the workaround—select a rectangle of the background color, copy it, paste it, and then move it over the undesirable content—as shown in the After screenshot below, where blue selection dots denote the pasted box. As you resize the box, press Shift to prevent it from resizing proportionally, which helps you make it the shape you want. If you need a second box of the same color, Option-drag the first box to copy it. When you save and close, your boxes will be merged into the image, permanently removing the content underneath, so make sure they’re in the right spot before moving on.

(Featured image based on an original by iStock.com/Seetwo)


Social Media: Have you ever needed to remove some content from a screenshot or other illustration? There’s no need for a fancy graphics app—you can do it quickly in Preview with this little-known trick.

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  • CES Random Thoughts

    I talked a bit about the big Consumer Electronics Show last week and it is rapidly fading in the rearview mirror. I have gone to this show every year for the past decade or more. We actually exhibited our Chill Pill speakers and Hammerhead products at one CES but mostly I have come as a “buyer” to look for new products and trends.

    The Las Vegas convention center is a gigantic venue and the CES show spills out into the parking lot in front but also into some of the surrounding hotels and resorts. The Sands convention center was the second largest and housed some of the more interesting booths. This was the location for 3D printing, health care, fitness, home automation, robots and drones. There were sophisticated baby monitors, constant reporting thermometers, implanted blood glucose monitors and even a company that sold wireless sensors that monitor your soil’s nutrients and moisture. Home automation was huge with several competing standards vying to challenge Apple’s HomeKit. This year more companies were showing HomeKit compatible products so I think that Apple’s vision of your interconnected home is not far off.

    There are lots of ways to move from the Sands over to the LVCC but the best way is the free buses offered by CES. Cabs and the monorail are possible but the buses seem to be the fastest and they are free and comfortable. For me it was a great way to rest my weary feet for a few minutes before going to the other venue to continue walking through the crowds. At the convention center there are three main halls and the international pavilion over at the Westgate (formerly, Hilton). The Center hall is dominated by the big guys with gigantic booths for Samsung, Intel, LG and others. Those booths are usually mobbed so I quickly walked through to check out the TVs and moved on. The North Hall is where the iLounge was born and products for iPad and iPhone dominate that section. The biggest part of the North Hall, however, was the Auto section with concept cars being shown my several manufacturers including Ford, Audi, Mercedes and new electric car upstart Faraday.

    In the past several years the iLounge area and the international area were dominated by all sorts of cases for iPhones and iPads. This year there were a few in each section but cases were definitely not the dominate category. Over at the international pavilion there were lots of hover boards but unlike previous years, demos of the scooters were restricted to the booth area. Nevertheless, all sorts of scooters were being shown. I searched for interesting USB-C products and found some hubs that were not quite ready for prime time and a bunch of cables. I did see the USB-C displays that incorporate a hub and that could be the real solution for the office set-up for the USB-C equipped MacBook.

    I never seem to be able to coordinate my meetings by hall. It seems that I’ll have one meeting in the North Hall, the next in the South Hall and then another back at the hotel. I rode the buses a lot and got to see the whole show floor that way.

    I did find some interesting products that we may add to our offerings, and had some great meetings so it was worthwhile to visit this show that is a window on future technology.

  • Errata

    Last week a typo slipped by our proofers. Command+M is not open a new document but that command is Command+N. Sorry about that. To make up for it here are a couple more keyboard combinations you might find handy:

    **Command-Option-Esc** – If an app stops responding, you might need to force it to quit. You can do that with a right click on the app icon in the dock, but it’s even easier if you hit this keyboard shortcut. This will bring up the Force Quit dialog, which you can then use to make that non-responsive app quit. You might need to Command-Tab you way out of an active frozen app first, though, or use **Command+Shift+Option+Esc** to quit the currently active app.

    **Command-Option-P and R** – Here’s one that might challenge your fingers dexterity. Fortunately, you will hardly ever have to use it but it is used to reset your non-volatile random access memory (NVRAM). Information stored in NVRAM can include speaker volume, screen resolution, start-up disk selection and recent kernel panic information. If you are asked to reset your P-Ram or NVRAM here’s how you do it.

    1) Shut down your Mac
    2) Turn on your Mac
    3) Immediately after you hear the start up sound, hold down the command, option, P and R keys
    4) Hold those keys down until you hear the start up sound again and then release them.

  • B.B. King – The King of the Blues

    For more than half a century, Riley B. King – better known as B.B. King – defined the blues for a worldwide audience. Since he started recording in the 1940s, he has released over fifty albums, many of them classics. He was born September 16, 1925, on a plantation in Itta Bena, Mississippi, near Indianola. In his youth, he played on street corners for dimes, and would sometimes play in as many as four towns a night. In 1947, he hitchhiked to Memphis, TN to pursue his music career. Memphis was where every important musician of The South gravitated, and it supported a large musical community where every style of African American music could be found. B.B. stayed with his cousin Bukka White, one of the most celebrated blues performers of his time, who schooled B.B. further in the art of the blues.

    B.B.’s first big break came in 1948 when he performed on Sonny Boy Williamson’s radio program on KWEM out of West Memphis. This led to steady engagements at the Sixteenth Avenue Grill in West Memphis, and later to a ten-minute spot on black-staffed and managed Memphis radio station WDIA. “King’s Spot,” became so popular, it was expanded and became the “Sepia Swing Club.” Soon B.B. needed a catchy radio name. What started out as Beale Street Blues Boy was shortened to Blues Boy King, and eventually B.B. King.

    In the mid-1950s, while B.B. was performing at a dance in Twist, Arkansas, a few fans became unruly. Two men got into a fight and knocked over a kerosene stove, setting fire to the hall. B.B. raced outdoors to safety with everyone else, then realized that he left his beloved $30 acoustic guitar inside, so he rushed back inside the burning building to retrieve it, narrowly escaping death. When he later found out that the fight had been over a woman named Lucille, he decided to give the name to his guitar to remind him never to do a crazy thing like fight over a woman. Ever since, each one of B.B.’s trademark Gibson guitars has been called Lucille.

    B.B. was inducted into the Blues Foundation Hall of Fame in 1984 and into the Rock and Roll Hall of Fame in 1987. He received NARAS’ Lifetime Achievement Grammy Award in 1987, and has received honorary doctorates from Tougaloo(MS) College in 1973; Yale University in 1977; Berklee College of Music in 1982; Rhodes College of Memphis in 1990; Mississippi Valley State University in 2002 and Brown University in 2007. In 1992, he received the National Award of Distinction from the University of Mississippi.

    B.B. King came to Vermont many times and I had the pleasure of being at several of his concerts. He died last year at the age of 90 and was performing to sold out crowds right up until he died. B.B. King is gone but the –The Thrill is Gone- lives forever.