Watermark opacity (#76)
This commit is contained in:
Anthony Stirling
GitHub
parent
472082cb03
commit
f866c8a61f
9 changed files with 58 additions and 3 deletions
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@ -5,7 +5,7 @@ plugins {
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}
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group = 'stirling.software'
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version = '0.4.1'
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version = '0.4.2'
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sourceCompatibility = '17'
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repositories {
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@ -26,6 +26,7 @@ import org.springframework.web.multipart.MultipartFile;
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import stirling.software.SPDF.utils.PdfUtils;
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import stirling.software.SPDF.utils.WatermarkRemover;
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import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
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@Controller
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public class WatermarkController {
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@ -45,6 +46,7 @@ public class WatermarkController {
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@PostMapping("/add-watermark")
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public ResponseEntity<byte[]> addWatermark(@RequestParam("fileInput") MultipartFile pdfFile, @RequestParam("watermarkText") String watermarkText,
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@RequestParam(defaultValue = "30", name = "fontSize") float fontSize, @RequestParam(defaultValue = "0", name = "rotation") float rotation,
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@RequestParam(defaultValue = "0.5", name = "opacity") float opacity,
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@RequestParam(defaultValue = "50", name = "widthSpacer") int widthSpacer, @RequestParam(defaultValue = "50", name = "heightSpacer") int heightSpacer)
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throws IOException {
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@ -53,9 +55,18 @@ public class WatermarkController {
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// Create a page in the document
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for (PDPage page : document.getPages()) {
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// Get the page's content stream
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PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);
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// Set transparency
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PDExtendedGraphicsState graphicsState = new PDExtendedGraphicsState();
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graphicsState.setNonStrokingAlphaConstant(opacity);
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contentStream.setGraphicsStateParameters(graphicsState);
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// Set font of watermark
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PDFont font = PDType1Font.HELVETICA_BOLD;
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contentStream.beginText();
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@ -225,6 +225,7 @@ watermark.selectText.3=حجم الخط:
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watermark.selectText.4=دوران (0-360):
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watermark.selectText.5=widthSpacer (مسافة بين كل علامة مائية أفقيًا):
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watermark.selectText.6=heightSpacer (مسافة بين كل علامة مائية عموديًا):
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watermark.selectText.7=\u0627\u0644\u062A\u0639\u062A\u064A\u0645 (0\u066A - 100\u066A):
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watermark.submit=إضافة علامة مائية
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#remove-watermark
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@ -224,6 +224,7 @@ watermark.selectText.3=Schriftgröße:
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watermark.selectText.4=Drehung (0-360):
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watermark.selectText.5=breiteSpacer (horizontaler Abstand zwischen den einzelnen Wasserzeichen):
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watermark.selectText.6=höheSpacer (vertikaler Abstand zwischen den einzelnen Wasserzeichen):
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watermark.selectText.7=Deckkraft (0% - 100 %):
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watermark.submit=Wasserzeichen hinzufügen
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#remove-watermark
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@ -222,6 +222,7 @@ watermark.selectText.3=Font Size:
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watermark.selectText.4=Rotation (0-360):
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watermark.selectText.5=widthSpacer (Space between each watermark horizontally):
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watermark.selectText.6=heightSpacer (Space between each watermark vertically):
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watermark.selectText.7=Opacity (0% - 100%):
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watermark.submit=Add Watermark
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#remove-watermark
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@ -222,6 +222,7 @@ watermark.selectText.3=Font Size:
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watermark.selectText.4=Rotation (0-360):
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watermark.selectText.5=widthSpacer (Space between each watermark horizontally):
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watermark.selectText.6=heightSpacer (Space between each watermark vertically):
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watermark.selectText.7=Opacity (0% - 100%):
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watermark.submit=Add Watermark
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#remove-watermark
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@ -230,6 +230,7 @@ watermark.selectText.3=Taille de la police
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watermark.selectText.4=Rotation (0-360)Â:
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watermark.selectText.5=widthSpacer (Espace entre chaque filigrane horizontalement)Â:
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watermark.selectText.6=heightSpacer (Espace entre chaque filigrane verticalement)Â:
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watermark.selectText.7=Opacité (0 % - 100 %):
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watermark.submit=Ajouter un filigrane
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#remove-watermark
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@ -33,7 +33,7 @@
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<input type="checkbox" name="jbig2Lossy" id="jbig2Lossy">
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<label for="jbig2Lossy" th:text="#{compress.selectText.7}"></label>
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</div>
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<button type="submit" th:text="#{compress.submit}"></button>
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<button type="submit" class="btn btn-primary" th:text="#{compress.submit}"></button>
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</form>
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<p class="mt-3" th:text="#{compress.credit}"></p>
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@ -26,6 +26,45 @@
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<label for="fontSize" th:text="#{watermark.selectText.3}"></label>
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<input type="text" id="fontSize" name="fontSize" class="form-control" value="30" />
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</div>
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<div class="form-group">
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<label for="opacity" th:text="#{watermark.selectText.7}"></label>
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<input type="text" id="opacity" name="opacityText" class="form-control" value="50" onblur="updateopacityValue()" />
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<input type="hidden" id="opacityReal" name="opacity" value="0.5">
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</div>
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<script>
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const opacityInput = document.getElementById('opacity');
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const opacityRealInput = document.getElementById('opacityReal');
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const updateopacityValue = () => {
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let percentageValue = parseFloat(opacityInput.value.replace('%', ''));
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if (isNaN(percentageValue)) {
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percentageValue = 0;
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}
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percentageValue = Math.min(Math.max(percentageValue, 0), 100);
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opacityInput.value = `${percentageValue}`;
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opacityRealInput.value = (percentageValue / 100).toFixed(2);
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};
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const appendPercentageSymbol = () => {
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if (!opacityInput.value.endsWith('%')) {
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opacityInput.value += '%';
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}
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};
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opacityInput.addEventListener('focus', () => {
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opacityInput.value = opacityInput.value.replace('%', '');
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});
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opacityInput.addEventListener('blur', () => {
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updateopacityValue();
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appendPercentageSymbol();
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});
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// Set initial values
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updateopacityValue();
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appendPercentageSymbol();
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</script>
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<div class="form-group">
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<label for="rotation" th:text="#{watermark.selectText.4}"></label>
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<input type="text" id="rotation" name="rotation" class="form-control" value="45" />
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