Create a picture by sketching straight lines

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Reference no: EM131903334

Problem

1. Modify the drawing package in the previous exercise that allows lines to be con-strained horizontally or vertically.

2. Develop a drawing package that can display an optional grid pattern so that selected screen positions are rounded to grid intersections. The package is to provide line-drawing capabilities, with line endpoints selected with a locator device.

3. Write a routine that allows a designer to create a picture by sketching straight lines with a rubber-band method.

Reference no: EM131903334

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