COMPUTERIZED ALPHA NUMERIC GRAPHIC TELEVISION PRODUCTION

Brand	Owner	Address	Description
QUANTAFONT	System Concepts, Inc.	9977 North 90th Street Suite 360 Scottsdale AZ 85258	Computerized Alpha-Numeric Graphic Television Production Titler;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Methods and apparatus, including computer program products, for blending in the presence of different transparencies. In one aspect, the invention provides a computer implemented method for blending a first graphic element and a second graphic element in accordance with a transfer mode T, the first graphic element having a color A and an alpha a, the second graphic element having a color B and an alpha b. The method includes: calculating a resulting alpha as lerp(a, b, q), lerp being a linear interpolation function and q being a pseudo-opacity that varies between 1 and 0, inclusive; calculating a blended color as T(A, B, q); calculating an intermediate color as interpolate_color(A, blended color, min(b/resulting alpha, 1)), interpolate_color being a continuous function that interpolates its input colors and min being a function that selects the smaller of its input values; and calculating a result color as interpolate_color(B, intermediate color, min(a/resulting alpha, 1)).