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Merge pull request #5238 from inception-project/feature/5237-Allow-tu…
…ning-PDF-import-parameters-via-settings #5237 - Allow tuning PDF import parameters via settings
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94 changes: 94 additions & 0 deletions
94
...or2/src/main/java/de/tudarmstadt/ukp/inception/pdfeditor2/config/PdfFormatProperties.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * Licensed to the Technische Universität Darmstadt under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The Technische Universität Darmstadt | ||
| * licenses this file to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. | ||
| * | ||
| * 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 de.tudarmstadt.ukp.inception.pdfeditor2.config; | ||
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| import de.tudarmstadt.ukp.inception.pdfeditor2.visual.VisualPDFTextStripper; | ||
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| public interface PdfFormatProperties | ||
| { | ||
| /** | ||
| * @return Whether to sort the text as it appears on screen or leave it as it appears in the PDF | ||
| * file. This may help with PDFs generated by writers that output text sorted by style. | ||
| * However, it may cause problems with other types of PDFs, e.g. such that contain | ||
| * watermark text in the background. | ||
| * | ||
| * @see VisualPDFTextStripper#setSortByPosition(boolean) | ||
| */ | ||
| boolean isSortByPosition(); | ||
|
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| /** | ||
| * @return Whether to suppress duplicate overlapping text. By default the text stripper will | ||
| * attempt to remove text that overlapps each other. Word paints the same character | ||
| * several times in order to make it look bold. By setting this to false all text will | ||
| * be extracted, which means that certain sections will be duplicated, but better | ||
| * performance will be noticed. | ||
| * | ||
| * @see VisualPDFTextStripper#setSuppressDuplicateOverlappingText(boolean) | ||
| */ | ||
| boolean isSuppressDuplicateOverlappingText(); | ||
|
|
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| /** | ||
| * @return whether the text stripper should group the text output by a list of beads. | ||
| * | ||
| * @see VisualPDFTextStripper#setShouldSeparateByBeads(boolean) | ||
| */ | ||
| boolean isShouldSeparateByBeads(); | ||
|
|
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| /** | ||
| * @return whether There will some additional text formatting be added. | ||
| * | ||
| * @see VisualPDFTextStripper#setAddMoreFormatting(boolean) | ||
| */ | ||
| boolean isAddMoreFormatting(); | ||
|
|
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| /** | ||
| * @return the multiple of whitespace character widths for the current text which the current | ||
| * line start can be indented from the previous line start beyond which the current line | ||
| * start is considered to be a paragraph start. | ||
| * | ||
| * @see VisualPDFTextStripper#setIndentThreshold(float) | ||
| */ | ||
| float getIndentThreshold(); | ||
|
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| /** | ||
| * @return the minimum whitespace, as a multiple of the max height of the current characters | ||
| * beyond which the current line start is considered to be a paragraph start. | ||
| * | ||
| * @see VisualPDFTextStripper#setDropThreshold(float) | ||
| */ | ||
| float getDropThreshold(); | ||
|
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| /** | ||
| * @return the character width-based tolerance value that is used to estimate where spaces in | ||
| * text should be added. Note that the default value for this has been determined from | ||
| * trial and error. Setting this value larger will reduce the number of spaces added. | ||
| * | ||
| * @see VisualPDFTextStripper#setAverageCharTolerance(float) | ||
| */ | ||
| float getAverageCharTolerance(); | ||
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| /** | ||
| * @return the space width-based tolerance value that is used to estimate where spaces in text | ||
| * should be added. Note that the default value for this has been determined from trial | ||
| * and error. Setting this value larger will reduce the number of spaces added. | ||
| * | ||
| * @see VisualPDFTextStripper#setSpacingTolerance(float) | ||
| */ | ||
| float getSpacingTolerance(); | ||
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| } |
124 changes: 124 additions & 0 deletions
124
...src/main/java/de/tudarmstadt/ukp/inception/pdfeditor2/config/PdfFormatPropertiesImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Licensed to the Technische Universität Darmstadt under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The Technische Universität Darmstadt | ||
| * licenses this file to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. | ||
| * | ||
| * 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 de.tudarmstadt.ukp.inception.pdfeditor2.config; | ||
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| import org.springframework.boot.context.properties.ConfigurationProperties; | ||
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| @ConfigurationProperties("format.pdf") | ||
| public class PdfFormatPropertiesImpl | ||
| implements PdfFormatProperties | ||
| { | ||
| private boolean sortByPosition = false; | ||
| private boolean suppressDuplicateOverlappingText = true; | ||
| private boolean shouldSeparateByBeads = true; | ||
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| private boolean addMoreFormatting = true; | ||
| private float indentThreshold = 2.0f; | ||
| private float dropThreshold = 2.5f; | ||
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| private float averageCharTolerance = 0.3f; | ||
| private float spacingTolerance = 0.5f; | ||
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| @Override | ||
| public boolean isSortByPosition() | ||
| { | ||
| return sortByPosition; | ||
| } | ||
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| public void setSortByPosition(boolean aSortByPosition) | ||
| { | ||
| sortByPosition = aSortByPosition; | ||
| } | ||
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| @Override | ||
| public boolean isSuppressDuplicateOverlappingText() | ||
| { | ||
| return suppressDuplicateOverlappingText; | ||
| } | ||
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| public void setSuppressDuplicateOverlappingText(boolean aSuppressDuplicateOverlappingText) | ||
| { | ||
| suppressDuplicateOverlappingText = aSuppressDuplicateOverlappingText; | ||
| } | ||
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| @Override | ||
| public boolean isShouldSeparateByBeads() | ||
| { | ||
| return shouldSeparateByBeads; | ||
| } | ||
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| public void setShouldSeparateByBeads(boolean aShouldSeparateByBeads) | ||
| { | ||
| shouldSeparateByBeads = aShouldSeparateByBeads; | ||
| } | ||
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| @Override | ||
| public boolean isAddMoreFormatting() | ||
| { | ||
| return addMoreFormatting; | ||
| } | ||
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| public void setAddMoreFormatting(boolean aAddMoreFormatting) | ||
| { | ||
| addMoreFormatting = aAddMoreFormatting; | ||
| } | ||
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| @Override | ||
| public float getIndentThreshold() | ||
| { | ||
| return indentThreshold; | ||
| } | ||
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| public void setIndentThreshold(float aIndentThreshold) | ||
| { | ||
| indentThreshold = aIndentThreshold; | ||
| } | ||
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| @Override | ||
| public float getDropThreshold() | ||
| { | ||
| return dropThreshold; | ||
| } | ||
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| public void setDropThreshold(float aDropThreshold) | ||
| { | ||
| dropThreshold = aDropThreshold; | ||
| } | ||
|
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| @Override | ||
| public float getAverageCharTolerance() | ||
| { | ||
| return averageCharTolerance; | ||
| } | ||
|
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| public void setAverageCharTolerance(float aAverageCharTolerance) | ||
| { | ||
| averageCharTolerance = aAverageCharTolerance; | ||
| } | ||
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| @Override | ||
| public float getSpacingTolerance() | ||
| { | ||
| return spacingTolerance; | ||
| } | ||
|
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| public void setSpacingTolerance(float aSpacingTolerance) | ||
| { | ||
| spacingTolerance = aSpacingTolerance; | ||
| } | ||
| } |
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