mirror of
https://github.com/unidoc/unipdf.git
synced 2025-05-02 22:17:06 +08:00
e85616cec2
* Prepared skeleton and basic component implementations for the jbig2 encoding. * Added Bitset. Implemented Bitmap. * Decoder with old Arithmetic Decoder * Partly working arithmetic * Working arithmetic decoder. * MMR patched. * rebuild to apache. * Working generic * Decoded full document * Decoded AnnexH document * Minor issues fixed. * Update README.md * Fixed generic region errors. Added benchmark. Added bitmap unpadder. Added Bitmap toImage method. * Fixed endofpage error * Added integration test. * Decoded all test files without errors. Implemented JBIG2Global. * Merged with v3 version * Fixed the EOF in the globals issue * Fixed the JBIG2 ChocolateData Decode * JBIG2 Added license information * Minor fix in jbig2 encoding. * Applied the logging convention * Cleaned unnecessary imports * Go modules clear unused imports * checked out the README.md * Moved trace to Debug. Fixed the build integrate tag in the document_decode_test.go * Applied UniPDF Developer Guide. Fixed lint issues. * Cleared documentation, fixed style issues. * Added jbig2 doc.go files. Applied unipdf guide style. * Minor code style changes. * Minor naming and style issues fixes. * Minor naming changes. Style issues fixed. * Review r11 fixes. * Integrate jbig2 tests with build system * Added jbig2 integration test golden files. * Minor jbig2 integration test fix * Removed jbig2 integration image assertions * Fixed jbig2 rowstride issue. Implemented jbig2 bit writer * Changed golden files logic. Fixes r13 issues.
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
/*
|
|
* This file is subject to the terms and conditions defined in
|
|
* file 'LICENSE.md', which is part of this source code package.
|
|
*/
|
|
|
|
package segments
|
|
|
|
import (
|
|
"github.com/unidoc/unipdf/v3/internal/jbig2/bitmap"
|
|
"github.com/unidoc/unipdf/v3/internal/jbig2/reader"
|
|
)
|
|
|
|
// Documenter is the interface used for the document model.
|
|
type Documenter interface {
|
|
// GetPage gets the page at given page number.
|
|
GetPage(int) (Pager, error)
|
|
|
|
// GetGlobalSegment gets the global segment header at given segment number.
|
|
GetGlobalSegment(int) *Header
|
|
}
|
|
|
|
// Pager is the interface used as a Page model.
|
|
type Pager interface {
|
|
// GetSegment gets the segment Header with the given segment number.
|
|
GetSegment(int) *Header
|
|
|
|
// GetBitmap gets the decoded bitmap.Bitmap.
|
|
GetBitmap() (*bitmap.Bitmap, error)
|
|
}
|
|
|
|
// Segmenter is the interface for all data pars of segments.
|
|
type Segmenter interface {
|
|
// Init initializes the segment from the provided data stream 'r'.
|
|
Init(header *Header, r reader.StreamReader) error
|
|
}
|
|
|
|
// Regioner is the interface for all JBIG2 region segments.
|
|
type Regioner interface {
|
|
// GetRegionBitmap decodes and returns a regions content.
|
|
GetRegionBitmap() (*bitmap.Bitmap, error)
|
|
|
|
// GetRegionInfo returns RegionSegment information.
|
|
GetRegionInfo() *RegionSegment
|
|
}
|