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35 lines
915 B
Go
35 lines
915 B
Go
/*
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* This file is subject to the terms and conditions defined in
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* file 'LICENSE.md', which is part of this source code package.
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*/
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package optimize
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import (
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"github.com/unidoc/unipdf/v3/core"
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"github.com/unidoc/unipdf/v3/model"
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)
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// Chain allows to use sequence of optimizers.
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// It implements interface model.Optimizer.
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type Chain struct {
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optimizers []model.Optimizer
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}
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// Append appends optimizers to the chain.
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func (c *Chain) Append(optimizers ...model.Optimizer) {
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c.optimizers = append(c.optimizers, optimizers...)
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}
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// Optimize optimizes PDF objects to decrease PDF size.
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func (c *Chain) Optimize(objects []core.PdfObject) (optimizedObjects []core.PdfObject, err error) {
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optimizedObjects = objects
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for _, optimizer := range c.optimizers {
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optimizedObjects, err = optimizer.Optimize(optimizedObjects)
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if err != nil {
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return optimizedObjects, err
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}
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}
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return optimizedObjects, nil
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}
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