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Tests/LibGfx: Add JBIG2 halftone tests for templates 1-3
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‎Tests/LibGfx/TestImageDecoder.cpp‎

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@@ -372,6 +372,9 @@ TEST_CASE(test_jbig2_decode)
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TEST_INPUT("jbig2/bitmap-refine-template1.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-refine-template1-tpgron.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone-template1.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone-template2.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone-template3.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone-10bpp.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-halftone-10bpp-mmr.jbig2"sv),
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TEST_INPUT("jbig2/bitmap-symbol.jbig2"sv),

‎Tests/LibGfx/test-inputs/jbig2/bitmap-halftone-template1.jbig2‎

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‎Tests/LibGfx/test-inputs/jbig2/bitmap-halftone-template2.jbig2‎

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‎Tests/LibGfx/test-inputs/jbig2/bitmap-halftone-template3.jbig2‎

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‎Tests/LibGfx/test-inputs/jbig2/json/bitmap-halftone-template1.json‎

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{
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"global_header": {
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"organization": "sequential",
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"number_of_pages": 1
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},
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"segments": [
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{
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"segment_number": 0,
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"type": "page_information",
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"page_association": 1,
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"data": {
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"page_width": 399,
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"page_height": 400,
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"flags": {
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"is_eventually_lossless": true
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}
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}
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},
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{
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"segment_number": 1,
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"type": "pattern_dictionary",
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"page_association": 1,
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"retained": true,
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"data": {
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"flags": {
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"pd_template": 1
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},
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"pattern_width": 16,
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"pattern_height": 16,
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"gray_max": "from_tiles",
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"method": "unique_image_tiles",
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"image_data": {
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"from_file": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 2,
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"type": "lossless_halftone_region",
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"page_association": 1,
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"referred_to_segments": [
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{
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"segment_number": 1,
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"retained": false
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}
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],
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"data": {
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"region_segment_information": {
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"width": 399,
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"height": 400
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},
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"flags": {
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"ht_template": 1
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},
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"grayscale_width": 25,
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"grayscale_height": 25,
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"grid_offset_x_times_256": 0,
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"grid_offset_y_times_256": 0,
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"grid_vector_x_times_256": 4096,
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"grid_vector_y_times_256": 0,
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"graymap_data": {
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"match_image": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 3,
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"type": "end_of_page",
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"page_association": 1
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}
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]
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}

‎Tests/LibGfx/test-inputs/jbig2/json/bitmap-halftone-template2.json‎

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{
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"global_header": {
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"organization": "sequential",
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"number_of_pages": 1
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},
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"segments": [
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{
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"segment_number": 0,
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"type": "page_information",
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"page_association": 1,
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"data": {
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"page_width": 399,
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"page_height": 400,
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"flags": {
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"is_eventually_lossless": true
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}
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}
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},
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{
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"segment_number": 1,
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"type": "pattern_dictionary",
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"page_association": 1,
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"retained": true,
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"data": {
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"flags": {
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"pd_template": 2
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},
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"pattern_width": 16,
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"pattern_height": 16,
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"gray_max": "from_tiles",
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"method": "unique_image_tiles",
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"image_data": {
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"from_file": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 2,
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"type": "lossless_halftone_region",
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"page_association": 1,
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"referred_to_segments": [
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{
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"segment_number": 1,
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"retained": false
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}
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],
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"data": {
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"region_segment_information": {
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"width": 399,
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"height": 400
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},
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"flags": {
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"ht_template": 2
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},
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"grayscale_width": 25,
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"grayscale_height": 25,
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"grid_offset_x_times_256": 0,
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"grid_offset_y_times_256": 0,
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"grid_vector_x_times_256": 4096,
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"grid_vector_y_times_256": 0,
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"graymap_data": {
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"match_image": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 3,
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"type": "end_of_page",
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"page_association": 1
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}
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]
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}

‎Tests/LibGfx/test-inputs/jbig2/json/bitmap-halftone-template3.json‎

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{
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"global_header": {
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"organization": "sequential",
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"number_of_pages": 1
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},
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"segments": [
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{
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"segment_number": 0,
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"type": "page_information",
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"page_association": 1,
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"data": {
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"page_width": 399,
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"page_height": 400,
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"flags": {
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"is_eventually_lossless": true
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}
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}
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},
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{
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"segment_number": 1,
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"type": "pattern_dictionary",
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"page_association": 1,
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"retained": true,
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"data": {
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"flags": {
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"pd_template": 3
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},
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"pattern_width": 16,
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"pattern_height": 16,
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"gray_max": "from_tiles",
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"method": "unique_image_tiles",
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"image_data": {
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"from_file": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 2,
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"type": "lossless_halftone_region",
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"page_association": 1,
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"referred_to_segments": [
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{
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"segment_number": 1,
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"retained": false
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}
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],
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"data": {
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"region_segment_information": {
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"width": 399,
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"height": 400
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},
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"flags": {
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"ht_template": 3
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},
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"grayscale_width": 25,
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"grayscale_height": 25,
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"grid_offset_x_times_256": 0,
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"grid_offset_y_times_256": 0,
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"grid_vector_x_times_256": 4096,
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"grid_vector_y_times_256": 0,
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"graymap_data": {
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"match_image": "bitmap.bmp"
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}
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}
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},
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{
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"segment_number": 3,
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"type": "end_of_page",
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"page_association": 1
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}
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]
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}

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