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jpg and gif support for pdf to image (#59)

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Anthony Stirling 2023-02-25 09:53:07 +00:00 committed by GitHub
parent c613164003
commit 51fe6970ef
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 6 additions and 4 deletions
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2
src/main/java/stirling/software/SPDF/controller/converters/ConvertImgPDFController.java
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@ -61,7 +61,7 @@ public class ConvertImgPDFController {
boolean singleImage = singleOrMultiple.equals("single");
byte[] result = null;
try {
result = PdfUtils.convertFromPdf(pdfBytes, imageFormat.toLowerCase(), colorTypeResult, singleImage, Integer.valueOf(dpi));
result = PdfUtils.convertFromPdf(pdfBytes, imageFormat.toUpperCase(), colorTypeResult, singleImage, Integer.valueOf(dpi));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();

6
src/main/java/stirling/software/SPDF/utils/PdfUtils.java
View file

@ -107,7 +107,7 @@ public class PdfUtils {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
if (singleImage) {
// Write the image to the output stream
ImageIO.write(images.get(0), "PNG", baos);
ImageIO.write(images.get(0), imageType, baos);
// Log that the image was successfully written to the byte array
logger.info("Image successfully written to byte array");
@ -117,10 +117,10 @@ public class PdfUtils {
for (int i = 0; i < images.size(); i++) {
BufferedImage image = images.get(i);
try (ByteArrayOutputStream baosImage = new ByteArrayOutputStream()) {
ImageIO.write(image, "PNG", baosImage);
ImageIO.write(image, imageType, baosImage);
// Add the image to the zip file
zos.putNextEntry(new ZipEntry(String.format("page_%d.%s", i + 1, "png")));
zos.putNextEntry(new ZipEntry(String.format("page_%d.%s", i + 1, imageType.toLowerCase())));
zos.write(baosImage.toByteArray());
}
}

2
src/main/resources/templates/convert/pdf-to-img.html
View file

@ -21,6 +21,8 @@
<label th:text="#{pdfToImage.selectText}"></label>
<select class="form-control" name="imageFormat">
<option value="png">PNG</option>
<option value="jpg">JPG</option>
<option value="gif">GIF</option>
</select>
</div>
<div class="form-group">