Patent ID: 6919888

Claim:
A computer program product for performing computer graphics operations on an image represented by digital data, the product tangibly embodied in a computer-readable medium or propagated signal, the product comprising instructions operable to cause a programmable processor to: receive a representation of a digital image, the image comprising drawing objects organized in a hierarchical relationship; receive a user input defining an envelope having an outline, the envelope containing a first original drawing object in the image, the envelope being a manipulable graphic object defining a coordinate remapping, the coordinate remapping being applied to generate a resulting drawing object for any original drawing object contained in the envelope, the first original and its resulting drawing object each being a vector object; wherein the envelope has an interior control point, the interior control point being an anchor point interior to the envelope outline and not being a lattice point, the product further comprising instructions to: receive a user input manipulating the interior control point and, in response, redefine the coordinate remapping.