System and method for pre-loading flyer image tiles and managing memory for same
First Claim
1. A method executed on a processor of a communication device for displaying a digital flyer comprising a plurality of flyer image tile sets each associated with a different base resolution, the method comprising:
- retrieving at least one flyer image tile associated with a zoomed-out level from a selected flyer image set, the selected flyer image set selected from the plurality of flyer image tile sets of the digital flyer, each of the plurality of flyer image tile sets associated with a different base resolution, the selection of the flyer image tile set based on a size of an underlay viewport;
pre-loading the underlay viewport with a base flyer image comprising the at least one retrieved image flyer tile from the selected flyer image tile set;
displaying in a current viewport, at least a portion of the base flyer image that is visible in the current viewport, the displayed portion of the base flyer image displayed at a current zoom level of the current viewport that differs from the zoomed-out level;
retrieving at least one zoomed-in flyer image tile for the current zoom level different from the zoomed-out level, the at least one zoomed-in flyer image tile retrieved from the selected flyer image tile set; and
once the at least one zoomed-in flyer image tile is retrieved, overlaying onto the displayed portion of the base flyer image at least a portion of the zoomed-in flyer image tile.
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Abstract
In the present disclosure, there is disclosed a communication device including a pre-loading module configured to retrieve a first and a second set of flyer image tiles from a flyer image tile set stored in memory, the first set of flyer image tiles being associated with the most zoomed-out state and the second set of flyer image tiles being associated with a zoom level of a current viewport. The pre-loading module is further configured to associate the first set of flyer image tiles with an underlay viewport. The communication device further includes a display configured to display the first set of flyer image tiles in the underlay viewport that are visible in the current viewport and overlay the second set of flyer image tiles visible in the current viewport onto the first set of flyer image tiles.
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Citations
15 Claims
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1. A method executed on a processor of a communication device for displaying a digital flyer comprising a plurality of flyer image tile sets each associated with a different base resolution, the method comprising:
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retrieving at least one flyer image tile associated with a zoomed-out level from a selected flyer image set, the selected flyer image set selected from the plurality of flyer image tile sets of the digital flyer, each of the plurality of flyer image tile sets associated with a different base resolution, the selection of the flyer image tile set based on a size of an underlay viewport; pre-loading the underlay viewport with a base flyer image comprising the at least one retrieved image flyer tile from the selected flyer image tile set; displaying in a current viewport, at least a portion of the base flyer image that is visible in the current viewport, the displayed portion of the base flyer image displayed at a current zoom level of the current viewport that differs from the zoomed-out level; retrieving at least one zoomed-in flyer image tile for the current zoom level different from the zoomed-out level, the at least one zoomed-in flyer image tile retrieved from the selected flyer image tile set; and once the at least one zoomed-in flyer image tile is retrieved, overlaying onto the displayed portion of the base flyer image at least a portion of the zoomed-in flyer image tile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for displaying digital flyer on a communication device, the system comprising:
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a processor unit for executing instructions; and a memory unit for storing instructions, which when executed by the processor configure the system to provide; a pre-loading module configured to; retrieving at least one flyer image tile associated with a zoomed-out level from a selected flyer image set, the selected flyer image set selected from the plurality of flyer image tile sets of the digital flyer, each of the plurality of flyer image tile sets associated with a different base resolution, the selection of the flyer image tile set based on a size of an underlay viewport; and pre-load the underlay viewport with a base flyer image comprising the at least one retrieved image flyer tile; and a display configured to; display in a current viewport, at least a portion of the base flyer image that is visible in the current viewport, the displayed portion of the base flyer image displayed at a current zoom level of the current viewport that differs from the zoomed-out level; retrieve at least one zoomed-in flyer image tile for the current zoom level different from the zoomed-out level, the at least one zoomed-in flyer image tile retrieved from the selected flyer image tile set; and once the at least one zoomed-in flyer image tile is retrieved, overlay onto the displayed portion of the base flyer image at least a portion of the zoomed-in flyer image tile. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification