Introduction to Photoshop - History Brush Tool


History Brush Tool

Beautiful images can be created using the history brush tool. For example, it can be used to make everything in an image grey apart from one object. This technique is often used in very serious ads, such as smoking advertisements. It has the effect of drawing the viewer's attention to the one image in colour and making them focus on it. The first thing I did was use CTRL C to copy this image of flowers from Google images, and use CTRL V to paste the image into Photoshop. 

I then selected 'Image' at the top of the task bar, pressed 'mode' and then 'grayscale'. When I did this, an option came up asking me if I would like to flatten the image, but this can cause problems later on, so I chose 'Don't flatten'. I then went back into image settings again, selected 'mode', selected 'RGB' colour and 'Don't flatten' once again. At this point, there is a small icon to the left of the colour selector shaped like a tower of squares with a curved arrow pointing up. I clicked on this, checked the box for the option 'Free Transform', and then selected the History brush tool on the tool bar on the left hand side of the page. By colouring in the flower and the chicken using this brush tool on my separate images, those sections of the pictures only were restored to their original colour.

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