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com.itextpdf.forms.fields.TextAndChoiceLegacyDrawer Maven / Gradle / Ivy
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2024 Apryse Group NV
Authors: Apryse Software.
This program is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://itextpdf.com/sales. For AGPL licensing, see below.
AGPL licensing:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see strings = formAnnotation.getFont().splitString(value, fontSize, width - widthBorder);
for (int index = 0; index < strings.size(); index++) {
Boolean isFull = modelCanvas.getRenderer().getPropertyAsBoolean(Property.FULL);
if (Boolean.TRUE.equals(isFull)) {
break;
}
Paragraph paragraph = new Paragraph(strings.get(index)).setFont(formAnnotation.getFont())
.setFontSize(fontSize).setMargins(0, 0, 0, 0).setMultipliedLeading(1);
paragraph.setProperty(Property.FORCED_PLACEMENT, Boolean.TRUE);
paragraph.setTextAlignment(formAnnotation.parent.getJustification());
if (formAnnotation.getColor() != null) {
paragraph.setFontColor(formAnnotation.getColor());
}
if (!formAnnotation.parent.getFieldFlag(PdfChoiceFormField.FF_COMBO)) {
PdfArray indices = formAnnotation.getParent().getAsArray(PdfName.I);
if (indices != null && indices.size() > 0) {
for (PdfObject ind : indices) {
if (!ind.isNumber()) {
continue;
}
if (((PdfNumber) ind).getValue() == index + topIndex) {
paragraph.setBackgroundColor(new DeviceRgb(10, 36, 106));
paragraph.setFontColor(ColorConstants.LIGHT_GRAY);
}
}
}
}
div.add(paragraph);
}
modelCanvas.add(div);
canvas.
restoreState().
endVariableText();
appearance.getPdfObject().setData(stream.getBytes());
}
static private void drawCombTextAppearance(PdfFormAnnotation formAnnotation, Rectangle rect, PdfFont font,
float fontSize, String value, PdfFormXObject appearance) {
PdfStream stream = (PdfStream) new PdfStream().makeIndirect(formAnnotation.getDocument());
PdfResources resources = appearance.getResources();
PdfCanvas canvas = new PdfCanvas(stream, resources, formAnnotation.getDocument());
float height = rect.getHeight();
float width = rect.getWidth();
PdfFormXObject xObject = new PdfFormXObject(new Rectangle(0, 0, width, height));
formAnnotation.drawBorder(canvas, xObject, width, height);
if (formAnnotation.parent.isPassword()) {
value = obfuscatePassword(value);
}
canvas.
beginVariableText().
saveState().
endPath();
Canvas modelCanvas = new Canvas(canvas, new Rectangle(0, -height, 0, 2 * height));
modelCanvas.setProperty(Property.APPEARANCE_STREAM_LAYOUT, Boolean.TRUE);
PdfFormAnnotation.setMetaInfoToCanvas(modelCanvas);
Style paragraphStyle = new Style().setFont(font).setFontSize(fontSize);
paragraphStyle.setProperty(Property.LEADING, new Leading(Leading.MULTIPLIED, 1));
if (formAnnotation.getColor() != null) {
paragraphStyle.setProperty(Property.FONT_COLOR, new TransparentColor(formAnnotation.getColor()));
}
int maxLen = PdfFormCreator.createTextFormField(formAnnotation.parent.getPdfObject()).getMaxLen();
// check if /Comb has been set
float widthPerCharacter = width / maxLen;
int numberOfCharacters = Math.min(maxLen, value.length());
int start;
TextAlignment textAlignment = formAnnotation.parent.getJustification() == null ?
TextAlignment.LEFT : formAnnotation.parent.getJustification();
switch (textAlignment) {
case RIGHT:
start = (maxLen - numberOfCharacters);
break;
case CENTER:
start = (maxLen - numberOfCharacters) / 2;
break;
default:
start = 0;
}
float startOffset = widthPerCharacter * (start + 0.5f);
for (int i = 0; i < numberOfCharacters; i++) {
modelCanvas.showTextAligned(new Paragraph(value.substring(i, i + 1)).addStyle(paragraphStyle),
startOffset + widthPerCharacter * i, rect.getHeight() / 2, TextAlignment.CENTER,
VerticalAlignment.MIDDLE);
}
canvas.
restoreState().
endVariableText();
appearance.getPdfObject().setData(stream.getBytes());
}
private static String obfuscatePassword(String text) {
char[] pchar = new char[text.length()];
for (int i = 0; i < text.length(); i++) {
pchar[i] = '*';
}
return new String(pchar);
}
private static float calculateTranslationHeightAfterFieldRot(Rectangle bBox, double pageRotation,
double relFieldRotation) {
if (relFieldRotation == 0) {
return 0.0f;
}
if (pageRotation == 0) {
if (relFieldRotation == Math.PI / 2) {
return bBox.getHeight();
}
if (relFieldRotation == Math.PI) {
return bBox.getHeight();
}
}
if (pageRotation == -Math.PI / 2) {
if (relFieldRotation == -Math.PI / 2) {
return bBox.getWidth() - bBox.getHeight();
}
if (relFieldRotation == Math.PI / 2) {
return bBox.getHeight();
}
if (relFieldRotation == Math.PI) {
return bBox.getWidth();
}
}
if (pageRotation == -Math.PI) {
if (relFieldRotation == -1 * Math.PI) {
return bBox.getHeight();
}
if (relFieldRotation == -1 * Math.PI / 2) {
return bBox.getHeight() - bBox.getWidth();
}
if (relFieldRotation == Math.PI / 2) {
return bBox.getWidth();
}
}
if (pageRotation == -3 * Math.PI / 2) {
if (relFieldRotation == -3 * Math.PI / 2) {
return bBox.getWidth();
}
if (relFieldRotation == -Math.PI) {
return bBox.getWidth();
}
}
return 0.0f;
}
private static float calculateTranslationWidthAfterFieldRot(Rectangle bBox, double pageRotation,
double relFieldRotation) {
if (relFieldRotation == 0) {
return 0.0f;
}
if (pageRotation == 0 && (relFieldRotation == Math.PI || relFieldRotation == 3 * Math.PI / 2)) {
return bBox.getWidth();
}
if (pageRotation == -Math.PI / 2) {
if (relFieldRotation == -Math.PI / 2 || relFieldRotation == Math.PI) {
return bBox.getHeight();
}
}
if (pageRotation == -Math.PI) {
if (relFieldRotation == -1 * Math.PI) {
return bBox.getWidth();
}
if (relFieldRotation == -1 * Math.PI / 2) {
return bBox.getHeight();
}
if (relFieldRotation == Math.PI / 2) {
return -1 * (bBox.getHeight() - bBox.getWidth());
}
}
if (pageRotation == -3 * Math.PI / 2) {
if (relFieldRotation == -3 * Math.PI / 2) {
return -1 * (bBox.getWidth() - bBox.getHeight());
}
if (relFieldRotation == -Math.PI) {
return bBox.getHeight();
}
if (relFieldRotation == -Math.PI / 2) {
return bBox.getWidth();
}
}
return 0.0f;
}
private static double degreeToRadians(double angle) {
return Math.PI * angle / 180.0;
}
}
