mirror of
https://github.com/unidoc/unipdf.git
synced 2025-04-27 13:48:51 +08:00
24648f4481
* Fixing platform indepenedent integer size * Cleared test logs. * Cleared unnecessary int32 * Defined precise integer size for jbig2 segments.
695 lines
22 KiB
Go
695 lines
22 KiB
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 jbig2
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/unidoc/unipdf/v3/common"
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"github.com/unidoc/unipdf/v3/internal/jbig2/bitmap"
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"github.com/unidoc/unipdf/v3/internal/jbig2/segments"
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)
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// TestDocument tests the jbig2.Document decoding.
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func TestDocument(t *testing.T) {
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if testing.Verbose() {
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common.SetLogger(common.NewConsoleLogger(common.LogLevelDebug))
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}
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t.Run("AnnexH", func(t *testing.T) {
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data := []byte{
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0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x01, 0xE9, 0xCB, 0xF4, 0x00, 0x26, 0xAF, 0x04, 0xBF, 0xF0, 0x78, 0x2F, 0xE0, 0x00, 0x40,
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0x00, 0x00, 0x00, 0x01, 0x30, 0x00, 0x01, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x40, 0x00,
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0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x02, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00,
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0x00, 0x00, 0x02, 0xE5, 0xCD, 0xF8, 0x00, 0x79, 0xE0, 0x84, 0x10, 0x81, 0xF0, 0x82, 0x10, 0x86,
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0x10, 0x79, 0xF0, 0x00, 0x80, 0x00, 0x00, 0x00, 0x03, 0x07, 0x42, 0x00, 0x02, 0x01, 0x00, 0x00,
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0x00, 0x31, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
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0x00, 0x01, 0x00, 0x0C, 0x09, 0x00, 0x10, 0x00, 0x00, 0x00, 0x05, 0x01, 0x10, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x40, 0x07, 0x08,
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0x70, 0x41, 0xD0, 0x00, 0x00, 0x00, 0x04, 0x27, 0x00, 0x01, 0x00, 0x00, 0x00, 0x2C, 0x00, 0x00,
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0x00, 0x36, 0x00, 0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x01,
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0x26, 0xA0, 0x71, 0xCE, 0xA7, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8, 0xF0, 0x00, 0x00, 0x00, 0x05, 0x10, 0x01,
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0x01, 0x00, 0x00, 0x00, 0x2D, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00, 0x0F, 0x20, 0xD1, 0x84, 0x61,
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0x18, 0x45, 0xF2, 0xF9, 0x7C, 0x8F, 0x11, 0xC3, 0x9E, 0x45, 0xF2, 0xF9, 0x7D, 0x42, 0x85, 0x0A,
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0xAA, 0x84, 0x62, 0x2F, 0xEE, 0xEC, 0x44, 0x62, 0x22, 0x35, 0x2A, 0x0A, 0x83, 0xB9, 0xDC, 0xEE,
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0x77, 0x80, 0x00, 0x00, 0x00, 0x06, 0x17, 0x20, 0x05, 0x01, 0x00, 0x00, 0x00, 0x57, 0x00, 0x00,
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0x00, 0x20, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x04, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x80, 0x08, 0x00, 0x80, 0x36, 0xD5, 0x55, 0x6B,
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0x5A, 0xD4, 0x00, 0x40, 0x04, 0x2E, 0xE9, 0x52, 0xD2, 0xD2, 0xD2, 0x8A, 0xA5, 0x4A, 0x00, 0x20,
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0x02, 0x23, 0xE0, 0x95, 0x24, 0xB4, 0x92, 0x8A, 0x4A, 0x92, 0x54, 0x92, 0xD2, 0x4A, 0x29, 0x2A,
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0x49, 0x40, 0x04, 0x00, 0x40, 0x00, 0x00, 0x00, 0x07, 0x31, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x08, 0x30, 0x00, 0x02, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x40, 0x00,
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0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x09, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x1B, 0x08, 0x00, 0x02, 0xFF, 0x00, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00, 0x02, 0x4F, 0xE7, 0x8C, 0x20, 0x0E, 0x1D, 0xC7, 0xCF, 0x01, 0x11, 0xC4,
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0xB2, 0x6F, 0xFF, 0xAC, 0x00, 0x00, 0x00, 0x0A, 0x07, 0x40, 0x00, 0x09, 0x02, 0x00, 0x00, 0x00,
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0x1F, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x0C, 0x08, 0x00, 0x00, 0x00, 0x05, 0x8D, 0x6E, 0x5A, 0x12, 0x40, 0x85, 0xFF, 0xAC,
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0x00, 0x00, 0x00, 0x0B, 0x27, 0x00, 0x02, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x36, 0x00,
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0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x08, 0x03, 0xFF, 0xFD,
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0xFF, 0x02, 0xFE, 0xFE, 0xFE, 0x04, 0xEE, 0xED, 0x87, 0xFB, 0xCB, 0x2B, 0xFF, 0xAC, 0x00, 0x00,
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0x00, 0x0C, 0x10, 0x01, 0x02, 0x00, 0x00, 0x00, 0x1C, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00, 0x0F,
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0x90, 0x71, 0x6B, 0x6D, 0x99, 0xA7, 0xAA, 0x49, 0x7D, 0xF2, 0xE5, 0x48, 0x1F, 0xDC, 0x68, 0xBC,
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0x6E, 0x40, 0xBB, 0xFF, 0xAC, 0x00, 0x00, 0x00, 0x0D, 0x17, 0x20, 0x0C, 0x02, 0x00, 0x00, 0x00,
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0x3E, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
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0x0F, 0x00, 0x02, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x87, 0xCB, 0x82, 0x1E, 0x66, 0xA4, 0x14, 0xEB, 0x3C,
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0x4A, 0x15, 0xFA, 0xCC, 0xD6, 0xF3, 0xB1, 0x6F, 0x4C, 0xED, 0xBF, 0xA7, 0xBF, 0xFF, 0xAC, 0x00,
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0x00, 0x00, 0x0E, 0x31, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x30, 0x00,
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0x03, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x16, 0x08, 0x00, 0x02, 0xFF, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x4F,
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0xE7, 0x8D, 0x68, 0x1B, 0x14, 0x2F, 0x3F, 0xFF, 0xAC, 0x00, 0x00, 0x00, 0x11, 0x00, 0x21, 0x10,
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0x03, 0x00, 0x00, 0x00, 0x20, 0x08, 0x02, 0x02, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
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0x03, 0x00, 0x00, 0x00, 0x02, 0x4F, 0xE9, 0xD7, 0xD5, 0x90, 0xC3, 0xB5, 0x26, 0xA7, 0xFB, 0x6D,
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0x14, 0x98, 0x3F, 0xFF, 0xAC, 0x00, 0x00, 0x00, 0x12, 0x07, 0x20, 0x11, 0x03, 0x00, 0x00, 0x00,
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0x25, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x8C, 0x12, 0x00, 0x00, 0x00, 0x04, 0xA9, 0x5C, 0x8B, 0xF4, 0xC3, 0x7D, 0x96, 0x6A,
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0x28, 0xE5, 0x76, 0x8F, 0xFF, 0xAC, 0x00, 0x00, 0x00, 0x13, 0x31, 0x00, 0x03, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x14, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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}
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// create the document
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d, err := NewDocument(data)
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require.NoError(t, err)
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assert.Equal(t, uint32(3), d.NumberOfPages)
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assert.Equal(t, segments.OSequential, d.OrganizationType)
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assert.Equal(t, false, d.GBUseExtTemplate)
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p1 := d.Pages[1]
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require.NoError(t, err)
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t.Run("Segment#0", func(t *testing.T) {
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s1 := p1.GetSegment(0)
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require.NotNil(t, s1)
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seg, err := s1.GetSegmentData()
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require.NoError(t, err)
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sd, ok := seg.(*segments.SymbolDictionary)
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require.True(t, ok)
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assert.True(t, sd.IsHuffmanEncoded())
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assert.False(t, sd.UseRefinementAggregation())
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assert.Equal(t, uint32(1), sd.NumberOfExportedSymbols())
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assert.Equal(t, uint32(1), sd.NumberOfNewSymbols())
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bm, err := sd.GetDictionary()
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require.NoError(t, err)
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require.Len(t, bm, 1)
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pLetter := bm[0]
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symbol := pSymbol(t)
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assert.True(t, pLetter.Equals(symbol), fmt.Sprintf("P decoded: %s - Should be: %s", pLetter, symbol))
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})
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t.Run("Segment#1", func(t *testing.T) {
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h := p1.GetSegment(1)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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pi, ok := seg.(*segments.PageInformationSegment)
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require.True(t, ok)
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assert.Equal(t, 64, pi.PageBMWidth)
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assert.Equal(t, 56, pi.PageBMHeight)
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assert.Equal(t, 0, pi.ResolutionX)
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assert.Equal(t, 0, pi.ResolutionY)
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assert.Equal(t, bitmap.CmbOpOr, pi.CombinationOperator())
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assert.False(t, pi.IsStripe)
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})
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t.Run("Segment#3", func(t *testing.T) {
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h := p1.GetSegment(2)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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sd, ok := seg.(*segments.SymbolDictionary)
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require.True(t, ok)
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dict, err := sd.GetDictionary()
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require.NoError(t, err)
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require.Len(t, dict, 2)
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c := cSymbol(t)
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a := aSymbol(t)
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assert.True(t, dict[0].Equals(c))
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assert.True(t, dict[1].Equals(a))
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})
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t.Run("Segment#4", func(t *testing.T) {
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h := p1.GetSegment(3)
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require.NotNil(t, 3)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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tr, ok := seg.(*segments.TextRegion)
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require.True(t, ok)
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bm, err := tr.GetRegionBitmap()
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require.NoError(t, err)
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assert.Equal(t, 8, bm.Height)
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assert.Equal(t, 37, bm.Width)
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expected := bitmap.New(37, 8)
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err = bitmap.Blit(cSymbol(t), expected, 0, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(aSymbol(t), expected, 8, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(pSymbol(t), expected, 16, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(aSymbol(t), expected, 23, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(cSymbol(t), expected, 31, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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assert.True(t, expected.Equals(bm))
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})
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t.Run("Segment#5", func(t *testing.T) {
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h := p1.GetSegment(4)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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g, ok := seg.(*segments.GenericRegion)
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require.True(t, ok)
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bm, err := g.GetRegionBitmap()
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require.NoError(t, err)
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expected := getFrame(t)
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assert.True(t, expected.Equals(bm))
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})
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t.Run("Segment#6", func(t *testing.T) {
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h := p1.GetSegment(5)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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p, ok := seg.(*segments.PatternDictionary)
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require.True(t, ok)
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dict, err := p.GetDictionary()
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require.NoError(t, err)
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checkPatternDictionary(t, dict)
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})
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t.Run("Segment#7", func(t *testing.T) {
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header := p1.GetSegment(6)
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require.NotNil(t, header)
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seg, err := header.GetSegmentData()
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require.NoError(t, err)
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h, ok := seg.(*segments.HalftoneRegion)
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require.True(t, ok)
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patterns, err := h.GetPatterns()
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require.NoError(t, err)
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expected := getPatternsFirst(t)
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if assert.Equal(t, len(expected), len(patterns)) {
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for i, p := range patterns {
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assert.True(t, expected[i].Equals(p))
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}
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}
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_, err = h.GetRegionBitmap()
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require.NoError(t, err)
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})
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t.Run("Segment#8", func(t *testing.T) {
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h := p1.GetSegment(7)
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require.NotNil(t, h)
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assert.Equal(t, segments.TEndOfPage, h.Type)
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})
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t.Run("Page#1", func(t *testing.T) {
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_, err := p1.GetBitmap()
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require.NoError(t, err)
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})
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p2, err := d.GetPage(2)
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require.NoError(t, err)
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t.Run("Segment#9", func(t *testing.T) {
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h := p2.GetSegment(8)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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_, ok := seg.(*segments.PageInformationSegment)
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require.True(t, ok)
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})
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t.Run("Segment#10", func(t *testing.T) {
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h := p2.GetSegment(9)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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sd, ok := seg.(*segments.SymbolDictionary)
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require.True(t, ok)
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dict, err := sd.GetDictionary()
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require.NoError(t, err)
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require.Len(t, dict, 2)
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assert.True(t, cSymbol(t).Equals(dict[0]))
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assert.True(t, aSymbol(t).Equals(dict[1]))
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})
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t.Run("Segment#11", func(t *testing.T) {
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h := p2.GetSegment(10)
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require.NotNil(t, h)
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seg, err := h.GetSegmentData()
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require.NoError(t, err)
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tx, ok := seg.(*segments.TextRegion)
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require.True(t, ok)
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bm, err := tx.GetRegionBitmap()
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require.NoError(t, err)
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expected := bitmap.New(37, 8)
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err = bitmap.Blit(cSymbol(t), expected, 0, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(aSymbol(t), expected, 8, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(pSymbol(t), expected, 16, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(aSymbol(t), expected, 23, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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err = bitmap.Blit(cSymbol(t), expected, 31, 0, bitmap.CmbOpOr)
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require.NoError(t, err)
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assert.True(t, expected.Equals(bm))
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})
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t.Run("Segment#12", func(t *testing.T) {
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h := p2.GetSegment(11)
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require.NotNil(t, h)
|
|
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
g, ok := seg.(*segments.GenericRegion)
|
|
require.True(t, ok)
|
|
|
|
bm, err := g.GetRegionBitmap()
|
|
require.NoError(t, err)
|
|
|
|
frame := getFrame(t)
|
|
require.True(t, frame.Equals(bm))
|
|
})
|
|
|
|
t.Run("Segment#13", func(t *testing.T) {
|
|
h := p2.GetSegment(12)
|
|
require.NotNil(t, h)
|
|
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
pd, ok := seg.(*segments.PatternDictionary)
|
|
require.True(t, ok)
|
|
|
|
dict, err := pd.GetDictionary()
|
|
require.NoError(t, err)
|
|
|
|
checkPatternDictionary(t, dict)
|
|
})
|
|
|
|
t.Run("Segment#14", func(t *testing.T) {
|
|
h := p2.GetSegment(13)
|
|
require.NotNil(t, h)
|
|
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
ht, ok := seg.(*segments.HalftoneRegion)
|
|
require.True(t, ok)
|
|
|
|
bm, err := ht.GetRegionBitmap()
|
|
require.NoError(t, err)
|
|
|
|
assert.Equal(t, 32, bm.Width)
|
|
assert.Equal(t, 36, bm.Height)
|
|
})
|
|
|
|
// EOP segment
|
|
t.Run("Page#2", func(t *testing.T) {
|
|
bm, err := p2.GetBitmap()
|
|
require.NoError(t, err)
|
|
|
|
assert.NotEmpty(t, bm.Data)
|
|
})
|
|
|
|
p3, err := d.GetPage(3)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, p3)
|
|
|
|
t.Run("Segment#16", func(t *testing.T) {
|
|
h := p3.GetSegment(15)
|
|
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
pi, ok := seg.(*segments.PageInformationSegment)
|
|
require.True(t, ok)
|
|
|
|
assert.Equal(t, 37, pi.PageBMWidth)
|
|
assert.Equal(t, 8, pi.PageBMHeight)
|
|
})
|
|
|
|
t.Run("Segment#17", func(t *testing.T) {
|
|
h := p3.GetSegment(16)
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
sd, ok := seg.(*segments.SymbolDictionary)
|
|
require.True(t, ok)
|
|
|
|
dict, err := sd.GetDictionary()
|
|
require.NoError(t, err)
|
|
require.Len(t, dict, 1)
|
|
|
|
assert.True(t, dict[0].Equals(aSymbol(t)))
|
|
})
|
|
|
|
t.Run("Segment#18", func(t *testing.T) {
|
|
h := p3.GetSegment(17)
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
sd, ok := seg.(*segments.SymbolDictionary)
|
|
require.True(t, ok)
|
|
|
|
dict, err := sd.GetDictionary()
|
|
require.NoError(t, err)
|
|
|
|
require.Len(t, dict, 3)
|
|
|
|
assert.True(t, dict[0].Equals(aSymbol(t)))
|
|
assert.True(t, dict[1].Equals(cSymbol(t)))
|
|
expected := bitmap.New(14, 6)
|
|
|
|
require.NoError(t, bitmap.Blit(aSymbol(t), expected, 0, 0, bitmap.CmbOpOr))
|
|
require.NoError(t, bitmap.Blit(cSymbol(t), expected, 8, 0, bitmap.CmbOpOr))
|
|
assert.True(t, dict[2].Equals(expected), expected.String())
|
|
})
|
|
|
|
t.Run("Segment#19", func(t *testing.T) {
|
|
h := p3.GetSegment(18)
|
|
seg, err := h.GetSegmentData()
|
|
require.NoError(t, err)
|
|
|
|
tr, ok := seg.(*segments.TextRegion)
|
|
require.True(t, ok)
|
|
|
|
bm, err := tr.GetRegionBitmap()
|
|
require.NoError(t, err)
|
|
|
|
expected := bitmap.New(37, 8)
|
|
err = bitmap.Blit(cSymbol(t), expected, 0, 0, bitmap.CmbOpOr)
|
|
require.NoError(t, err)
|
|
err = bitmap.Blit(aSymbol(t), expected, 8, 0, bitmap.CmbOpOr)
|
|
require.NoError(t, err)
|
|
err = bitmap.Blit(pSymbol(t), expected, 16, 0, bitmap.CmbOpOr)
|
|
require.NoError(t, err)
|
|
err = bitmap.Blit(aSymbol(t), expected, 23, 0, bitmap.CmbOpOr)
|
|
require.NoError(t, err)
|
|
err = bitmap.Blit(cSymbol(t), expected, 31, 0, bitmap.CmbOpOr)
|
|
require.NoError(t, err)
|
|
|
|
assert.True(t, expected.Equals(bm))
|
|
})
|
|
})
|
|
|
|
t.Run("AdobeExample", func(t *testing.T) {
|
|
globalsData := []byte{
|
|
// Symbol Dictionary Segment
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x32, 0x00, 0x00, 0x03, 0xFF, 0xFD, 0xFF,
|
|
0x02, 0xFE, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x2A, 0xE2, 0x25,
|
|
0xAE, 0xA9, 0xA5, 0xA5, 0x38, 0xB4, 0xD9, 0x99, 0x9C, 0x5C, 0x8E, 0x56, 0xEF, 0x0F, 0x87,
|
|
0x27, 0xF2, 0xB5, 0x3D, 0x4E, 0x37, 0xEF, 0x79, 0x5C, 0xC5, 0x50, 0x6D, 0xFF, 0xAC,
|
|
}
|
|
|
|
gdoc, err := NewDocument(globalsData)
|
|
require.NoError(t, err)
|
|
|
|
data := []byte{
|
|
// File Header
|
|
0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A, 0x01, 0x00, 0x00, 0x00, 0x01,
|
|
|
|
// Page Information Segment
|
|
0x00, 0x00, 0x00, 0x01, 0x30, 0x00, 0x01, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x34,
|
|
0x00, 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00,
|
|
|
|
// Text Region Segment
|
|
0x00, 0x00, 0x00, 0x02, 0x06, 0x20, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00,
|
|
0x34, 0x00, 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
|
|
0x10, 0x00, 0x00, 0x00, 0x02, 0x31, 0xDB, 0x51, 0xCE, 0x51, 0xFF, 0xAC,
|
|
|
|
// EOP segment
|
|
0x00, 0x00, 0x00, 0x03, 0x31, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
// EOF Segment
|
|
0x00, 0x00, 0x00, 0x04, 0x33, 0x01, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
|
|
// get the document
|
|
d, err := NewDocumentWithGlobals(data, gdoc.GlobalSegments)
|
|
require.NoError(t, err)
|
|
|
|
assert.Len(t, d.GlobalSegments, 1)
|
|
})
|
|
}
|
|
|
|
func pSymbol(t *testing.T) *bitmap.Bitmap {
|
|
t.Helper()
|
|
symbol := bitmap.New(5, 8)
|
|
require.NoError(t, symbol.SetPixel(0, 0, 1))
|
|
require.NoError(t, symbol.SetPixel(1, 0, 1))
|
|
require.NoError(t, symbol.SetPixel(2, 0, 1))
|
|
require.NoError(t, symbol.SetPixel(3, 0, 1))
|
|
require.NoError(t, symbol.SetPixel(4, 1, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 1, 1))
|
|
require.NoError(t, symbol.SetPixel(4, 2, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 2, 1))
|
|
require.NoError(t, symbol.SetPixel(4, 3, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 3, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 4, 1))
|
|
require.NoError(t, symbol.SetPixel(1, 4, 1))
|
|
require.NoError(t, symbol.SetPixel(2, 4, 1))
|
|
require.NoError(t, symbol.SetPixel(3, 4, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 5, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 6, 1))
|
|
require.NoError(t, symbol.SetPixel(0, 7, 1))
|
|
return symbol
|
|
}
|
|
|
|
func aSymbol(t *testing.T) *bitmap.Bitmap {
|
|
t.Helper()
|
|
a := bitmap.New(6, 6)
|
|
require.NoError(t, a.SetPixel(1, 0, 1))
|
|
require.NoError(t, a.SetPixel(2, 0, 1))
|
|
require.NoError(t, a.SetPixel(3, 0, 1))
|
|
require.NoError(t, a.SetPixel(4, 0, 1))
|
|
require.NoError(t, a.SetPixel(5, 1, 1))
|
|
require.NoError(t, a.SetPixel(1, 2, 1))
|
|
require.NoError(t, a.SetPixel(2, 2, 1))
|
|
require.NoError(t, a.SetPixel(3, 2, 1))
|
|
require.NoError(t, a.SetPixel(4, 2, 1))
|
|
require.NoError(t, a.SetPixel(5, 2, 1))
|
|
require.NoError(t, a.SetPixel(0, 3, 1))
|
|
require.NoError(t, a.SetPixel(5, 3, 1))
|
|
require.NoError(t, a.SetPixel(0, 4, 1))
|
|
require.NoError(t, a.SetPixel(5, 4, 1))
|
|
require.NoError(t, a.SetPixel(1, 5, 1))
|
|
require.NoError(t, a.SetPixel(2, 5, 1))
|
|
require.NoError(t, a.SetPixel(3, 5, 1))
|
|
require.NoError(t, a.SetPixel(4, 5, 1))
|
|
require.NoError(t, a.SetPixel(5, 5, 1))
|
|
return a
|
|
}
|
|
|
|
func cSymbol(t *testing.T) *bitmap.Bitmap {
|
|
t.Helper()
|
|
c := bitmap.New(6, 6)
|
|
require.NoError(t, c.SetPixel(1, 0, 1))
|
|
require.NoError(t, c.SetPixel(2, 0, 1))
|
|
require.NoError(t, c.SetPixel(3, 0, 1))
|
|
require.NoError(t, c.SetPixel(4, 0, 1))
|
|
require.NoError(t, c.SetPixel(0, 1, 1))
|
|
require.NoError(t, c.SetPixel(5, 1, 1))
|
|
require.NoError(t, c.SetPixel(0, 2, 1))
|
|
require.NoError(t, c.SetPixel(0, 3, 1))
|
|
require.NoError(t, c.SetPixel(0, 4, 1))
|
|
require.NoError(t, c.SetPixel(5, 4, 1))
|
|
require.NoError(t, c.SetPixel(1, 5, 1))
|
|
require.NoError(t, c.SetPixel(2, 5, 1))
|
|
require.NoError(t, c.SetPixel(3, 5, 1))
|
|
require.NoError(t, c.SetPixel(4, 5, 1))
|
|
return c
|
|
}
|
|
|
|
func getFrame(t *testing.T) *bitmap.Bitmap {
|
|
t.Helper()
|
|
expected := bitmap.New(54, 44)
|
|
for y := 0; y < expected.Height; y++ {
|
|
switch y {
|
|
case 0, 1, expected.Height - 1, expected.Height - 2:
|
|
// full
|
|
for x := 0; x < expected.Width; x++ {
|
|
require.NoError(t, expected.SetPixel(x, y, 1))
|
|
}
|
|
default:
|
|
require.NoError(t, expected.SetPixel(0, y, 1))
|
|
require.NoError(t, expected.SetPixel(1, y, 1))
|
|
require.NoError(t, expected.SetPixel(expected.Width-2, y, 1))
|
|
require.NoError(t, expected.SetPixel(expected.Width-1, y, 1))
|
|
}
|
|
}
|
|
return expected
|
|
}
|
|
|
|
func getPatternsFirst(t *testing.T) (patterns []*bitmap.Bitmap) {
|
|
t.Helper()
|
|
|
|
for i := 0; i < 16; i++ {
|
|
toCompare := bitmap.New(4, 4)
|
|
switch i {
|
|
case 15:
|
|
require.NoError(t, toCompare.SetPixel(0, 3, 1))
|
|
fallthrough
|
|
case 14:
|
|
require.NoError(t, toCompare.SetPixel(3, 3, 1))
|
|
fallthrough
|
|
case 13:
|
|
require.NoError(t, toCompare.SetPixel(3, 0, 1))
|
|
fallthrough
|
|
case 12:
|
|
require.NoError(t, toCompare.SetPixel(0, 0, 1))
|
|
fallthrough
|
|
case 11:
|
|
require.NoError(t, toCompare.SetPixel(3, 1, 1))
|
|
fallthrough
|
|
case 10:
|
|
require.NoError(t, toCompare.SetPixel(2, 3, 1))
|
|
fallthrough
|
|
case 9:
|
|
require.NoError(t, toCompare.SetPixel(1, 0, 1))
|
|
require.NoError(t, toCompare.SetPixel(0, 2, 1))
|
|
fallthrough
|
|
case 8:
|
|
require.NoError(t, toCompare.SetPixel(3, 2, 1))
|
|
fallthrough
|
|
case 7:
|
|
require.NoError(t, toCompare.SetPixel(1, 3, 1))
|
|
fallthrough
|
|
case 6:
|
|
require.NoError(t, toCompare.SetPixel(0, 1, 1))
|
|
fallthrough
|
|
case 5:
|
|
require.NoError(t, toCompare.SetPixel(2, 0, 1))
|
|
fallthrough
|
|
case 4:
|
|
require.NoError(t, toCompare.SetPixel(1, 2, 1))
|
|
fallthrough
|
|
case 3:
|
|
require.NoError(t, toCompare.SetPixel(2, 2, 1))
|
|
fallthrough
|
|
case 2:
|
|
require.NoError(t, toCompare.SetPixel(1, 1, 1))
|
|
fallthrough
|
|
case 1:
|
|
require.NoError(t, toCompare.SetPixel(2, 1, 1))
|
|
}
|
|
patterns = append(patterns, toCompare)
|
|
}
|
|
return
|
|
}
|
|
|
|
func checkPatternDictionary(t *testing.T, dict []*bitmap.Bitmap) {
|
|
t.Helper()
|
|
for i, s := range dict {
|
|
toCompare := bitmap.New(4, 4)
|
|
switch i {
|
|
case 15:
|
|
require.NoError(t, toCompare.SetPixel(0, 3, 1))
|
|
fallthrough
|
|
case 14:
|
|
require.NoError(t, toCompare.SetPixel(3, 3, 1))
|
|
fallthrough
|
|
case 13:
|
|
require.NoError(t, toCompare.SetPixel(3, 0, 1))
|
|
fallthrough
|
|
case 12:
|
|
require.NoError(t, toCompare.SetPixel(0, 0, 1))
|
|
fallthrough
|
|
case 11:
|
|
require.NoError(t, toCompare.SetPixel(3, 1, 1))
|
|
fallthrough
|
|
case 10:
|
|
require.NoError(t, toCompare.SetPixel(2, 3, 1))
|
|
fallthrough
|
|
case 9:
|
|
require.NoError(t, toCompare.SetPixel(1, 0, 1))
|
|
require.NoError(t, toCompare.SetPixel(0, 2, 1))
|
|
fallthrough
|
|
case 8:
|
|
require.NoError(t, toCompare.SetPixel(3, 2, 1))
|
|
fallthrough
|
|
case 7:
|
|
require.NoError(t, toCompare.SetPixel(1, 3, 1))
|
|
fallthrough
|
|
case 6:
|
|
require.NoError(t, toCompare.SetPixel(0, 1, 1))
|
|
fallthrough
|
|
case 5:
|
|
require.NoError(t, toCompare.SetPixel(2, 0, 1))
|
|
fallthrough
|
|
case 4:
|
|
require.NoError(t, toCompare.SetPixel(1, 2, 1))
|
|
fallthrough
|
|
case 3:
|
|
require.NoError(t, toCompare.SetPixel(2, 2, 1))
|
|
fallthrough
|
|
case 2:
|
|
require.NoError(t, toCompare.SetPixel(1, 1, 1))
|
|
fallthrough
|
|
case 1:
|
|
require.NoError(t, toCompare.SetPixel(2, 1, 1))
|
|
}
|
|
assert.True(t, toCompare.Equals(s), fmt.Sprintf("i: %d, %v, %v", i, s.String(), toCompare.String()))
|
|
}
|
|
}
|