/
stats.go
133 lines (118 loc) · 3.36 KB
/
stats.go
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/*
Copyright 2018 The pdfcpu Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package pdfcpu
import "github.com/Kush-Wednesday/pdfcpu-custom/pkg/log"
// The PDF root object fields.
const (
RootVersion = iota
RootExtensions
RootPageLabels
RootNames
RootDests
RootViewerPrefs
RootPageLayout
RootPageMode
RootOutlines
RootThreads
RootOpenAction
RootAA
RootURI
RootAcroForm
RootMetadata
RootStructTreeRoot
RootMarkInfo
RootLang
RootSpiderInfo
RootOutputIntents
RootPieceInfo
RootOCProperties
RootPerms
RootLegal
RootRequirements
RootCollection
RootNeedsRendering
)
// The PDF page object fields.
const (
PageLastModified = iota
PageResources
PageMediaBox
PageCropBox
PageBleedBox
PageTrimBox
PageArtBox
PageBoxColorInfo
PageContents
PageRotate
PageGroup
PageThumb
PageB
PageDur
PageTrans
PageAnnots
PageAA
PageMetadata
PagePieceInfo
PageStructParents
PageID
PagePZ
PageSeparationInfo
PageTabs
PageTemplateInstantiated
PagePresSteps
PageUserUnit
PageVP
)
// PDFStats is a container for stats.
type PDFStats struct {
// Used root attributes
rootAttrs IntSet
// Used page attributes
pageAttrs IntSet
}
// NewPDFStats returns a new PDFStats object.
func NewPDFStats() PDFStats {
return PDFStats{rootAttrs: IntSet{}, pageAttrs: IntSet{}}
}
// AddRootAttr adds the occurrence of a field with given name to the rootAttrs set.
func (stats PDFStats) AddRootAttr(name int) {
stats.rootAttrs[name] = true
}
// UsesRootAttr returns true if a field with given name is contained in the rootAttrs set.
func (stats PDFStats) UsesRootAttr(name int) bool {
return stats.rootAttrs[name]
}
// AddPageAttr adds the occurrence of a field with given name to the pageAttrs set.
func (stats PDFStats) AddPageAttr(name int) {
stats.pageAttrs[name] = true
}
// UsesPageAttr returns true if a field with given name is contained in the pageAttrs set.
func (stats PDFStats) UsesPageAttr(name int) bool {
return stats.pageAttrs[name]
}
// ValidationTimingStats prints processing time stats for validation.
func ValidationTimingStats(dur1, dur2, dur float64) {
log.Stats.Println("Timing:")
log.Stats.Printf("read : %6.3fs %4.1f%%\n", dur1, dur1/dur*100)
log.Stats.Printf("validate : %6.3fs %4.1f%%\n", dur2, dur2/dur*100)
log.Stats.Printf("total processing time: %6.3fs\n\n", dur)
}
// TimingStats prints processing time stats for an operation.
func TimingStats(op string, durRead, durVal, durOpt, durWrite, durTotal float64) {
log.Stats.Println("Timing:")
log.Stats.Printf("read : %6.3fs %4.1f%%\n", durRead, durRead/durTotal*100)
log.Stats.Printf("validate : %6.3fs %4.1f%%\n", durVal, durVal/durTotal*100)
log.Stats.Printf("optimize : %6.3fs %4.1f%%\n", durOpt, durOpt/durTotal*100)
log.Stats.Printf("%-21s: %6.3fs %4.1f%%\n", op, durWrite, durWrite/durTotal*100)
log.Stats.Printf("total processing time: %6.3fs\n\n", durTotal)
}