And within matte surfaces visual textures subtly vary depending on whether color has been drawn, brushed, washed or dabbed on.
Remove paint by drawing a brush comb or wire brush through bristles, then brush bristles back and forth across a newspaper.
Those apps range from homemade emoji makers that let you send your face to friends, Line Toss for photo sharing, Line Brush for drawing, Line Card for sending greeting cards, Line Camera for making collages, B612 for jazzing up selfies, and Line WebToon for reading manga.
While Snapchat specializes in goofy selfie lenses and illustrated geofilters for special places, Instagram has opted for a more artful and international approach, with different drawing brushes and location stickers that work for anywhere around the world.
"Now do I look like you?" she cried, drawing the brush down her cheek.
The de Young show may add to the debate with an unusual presentation: seven flat-screen TVs hooked up to display animations that show the process of Mr. Hockney drawing, one brush stroke — or more precisely, one finger-swipe — at a time.
In the first of the pictures, and one of the most widely recognised images in the history of painting, Michelangelo shows God reaching out to touch Adam, who, in the words of Vasari, is "a figure whose beauty, pose and contours are such that it seems to have been fashioned that very moment by the first and supreme creator rather than by the drawing and brush of a mortal man".
This weekend's activities include calligraphy drawing with brushes and branches in the yard of Building 14 every day, for ages 1 to 10, and, on Saturday and Sunday only, creating feathered puppets in Our Lady of the Sea Chapel for ages 4 to 14.
Hold the dry side of the brush toward the line and slowly draw the brush along.
To do it, dip the brush in the drop of paint at the bottom of your nail and draw the brush upwards in a straight line through the center of the nail, all the way to the tip.
