mirror of
https://github.com/unidoc/unipdf.git
synced 2025-05-02 22:17:06 +08:00
c582323a8f
* 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 * Working generic * Decoded full document * Update Jenkinsfile go version [master] (#398) * Update Jenkinsfile go version * 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 * Initial encoder skeleton * 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. * Added JBIG2 Encoder skeleton. * Moved Document and Page to jbig2/document package. Created decoder package responsible for decoding jbig2 stream. * Implemented raster functions. * Added raster uni low test funcitons. * Added raster low test functions * untracked files on jbig2-encoder: c869089 Added raster low test functions * index on jbig2-encoder: c869089 Added raster low test functions * Added morph files. * implemented jbig2 encoder basics * JBIG2 Encoder - Generic method * Added jbig2 image encode ttests, black/white image tests * cleaned and tested jbig2 package * unfinished jbig2 classified encoder * jbig2 minor style changes * minor jbig2 encoder changes * prepared JBIG2 Encoder * Style and lint fixes * Minor changes and lints * Fixed shift unsinged value build errors * Minor naming change * Added jbig2 encode, image gondels. Fixed jbig2 decode bug. * Provided jbig2 core.DecodeGlobals function. * Fixed JBIG2Encoder `r6` revision issues. * Removed public JBIG2Encoder document. * Minor style changes * added NewJBIG2Encoder function. * fixed JBIG2Encoder 'r9' revision issues. * Cleared 'r9' commented code. * Updated ACKNOWLEDGEMENETS. Fixed JBIG2Encoder 'r10' revision issues. Co-authored-by: Gunnsteinn Hall <gunnsteinn.hall@gmail.com>
51 lines
1.4 KiB
Go
51 lines
1.4 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 (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/unidoc/unipdf/v3/internal/jbig2/bitmap"
|
|
"github.com/unidoc/unipdf/v3/internal/jbig2/writer"
|
|
)
|
|
|
|
// TestEncodeRegion tests the encode function for the region structure.
|
|
func TestEncodeRegion(t *testing.T) {
|
|
regionSample := &RegionSegment{
|
|
BitmapWidth: 30,
|
|
BitmapHeight: 150,
|
|
XLocation: 40,
|
|
YLocation: 35,
|
|
CombinaionOperator: bitmap.CmbOpXor,
|
|
}
|
|
w := writer.BufferedMSB()
|
|
n, err := regionSample.Encode(w)
|
|
require.NoError(t, err)
|
|
|
|
// the encode should write exactly 17 bytes
|
|
assert.Equal(t, 17, n)
|
|
|
|
// create expected byte data slice.
|
|
expected := []byte{
|
|
// First four bytes should be the width - 30 uint32
|
|
0x00, 0x00, 0x00, 0x1E,
|
|
// Second four bytes should be the height - 150 uint32
|
|
0x00, 0x00, 0x00, 0x96,
|
|
// Next four bytes should be the x location of the region - 40 uint32
|
|
0x00, 0x00, 0x00, 0x28,
|
|
// Next four bytes should be the y location of the region - 35 uint32
|
|
0x00, 0x00, 0x00, 0x23,
|
|
// The last byte should define the region flags
|
|
// 5 empty bits and 3 bits for the combination operator
|
|
// The XOR enum has the enum value of '2' thus the byte would be: 00000011
|
|
0x02,
|
|
}
|
|
assert.Equal(t, expected, w.Data())
|
|
}
|