Method and system for ink data generation, ink data rendering, ink data manipulation and ink data communication
First Claim
1. A method of manipulating pre-existing ink data in a memory of a device including an input sensor to generate new ink data, comprising:
- receiving input information including coordinates data from the input sensor;
receiving manipulation information indicating whether the input information is configured to transform the pre-existing stroke object of the ink data;
selecting a part or a full of a target stroke object to be transformed if a stroke path formed by the coordinates data included in the input information intersects the target stroke object; and
when the manipulation information indicates that the input information is configured to slice the pre-existing stroke object, slicing the selected target stroke object at an intersected section to generate two slice objects from the selected target stroke object, whereinthe two slice objects provide modification to divide the pre-existing stroke object into two new stroke objects; and
each of the two slice objects includes a start parameter indicative of a start point within a starting curve segment of the curve segments at which display of the slice object starts and an end parameter indicative of an end point within an ending curve segment of the curve segments at which display of the slice object ends when the two new stroke objects generated by finalizing the two slice object are rendered.
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Abstract
Methods and systems are provided for generating, rendering, manipulating (e.g., slicing), and communicating stroke objects that form ink data. In a method of generating a stroke object, pen event data indicative of pen down, pen movement, and pen up events are sequentially received to generate point objects that collectively form a stroke object. The point objects serve as control points for interpolating curve segments. Further, a start parameter indicative of a start point within a starting curve segment of the curve segments at which display of the stroke object starts, and an end parameter indicative of an end point within an ending curve segment of at which display of the stroke object ends, are generated for the stroke object. When rendering the stroke object, a system limits display of the stroke object to a range bound by the start and end parameters, as opposed to displaying the entire stroke object.
34 Citations
16 Claims
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1. A method of manipulating pre-existing ink data in a memory of a device including an input sensor to generate new ink data, comprising:
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receiving input information including coordinates data from the input sensor; receiving manipulation information indicating whether the input information is configured to transform the pre-existing stroke object of the ink data; selecting a part or a full of a target stroke object to be transformed if a stroke path formed by the coordinates data included in the input information intersects the target stroke object; and when the manipulation information indicates that the input information is configured to slice the pre-existing stroke object, slicing the selected target stroke object at an intersected section to generate two slice objects from the selected target stroke object, wherein the two slice objects provide modification to divide the pre-existing stroke object into two new stroke objects; and each of the two slice objects includes a start parameter indicative of a start point within a starting curve segment of the curve segments at which display of the slice object starts and an end parameter indicative of an end point within an ending curve segment of the curve segments at which display of the slice object ends when the two new stroke objects generated by finalizing the two slice object are rendered. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A non-transitory computer readable medium including processor-executable instructions which, when loaded onto a processor, causes the processor to execute a process of manipulating pre-existing ink data in a memory, wherein the process comprises:
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receiving input information including coordinates data from an input sensor configured to generate new ink data; receiving manipulation information indicating whether the input information is configured to transform the pre-existing stroke object of the ink data; selecting a part or a full of a target stroke object to be transformed if a stroke path formed by the coordinates data included in the input information intersects the target stroke object; and when the manipulation information indicates that the input information is configured to slice the pre-existing stroke object, slicing the selected target stroke object at an intersected section to generate two slice objects from the selected target stroke object, wherein the two slice objects provide modification to divide the pre-existing stroke object into two new stroke objects; and each of the two slice objects includes a start parameter indicative of a start point within a starting curve segment of the curve segments at which display of the slice object starts and an end parameter indicative of an end point within an ending curve segment of the curve segments at which display of the slice object ends when the two new stroke objects generated by finalizing the two slice object are rendered. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification