Mirrors/Stirling-PDF
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minor fix: fixed rotation to be exactly 0 when user chooses: set roation to none, in advanced: rotate 0 and variance 0

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This commit is contained in:
Balázs Szücs 2025-05-17 18:18:32 +02:00
parent e2d01f0fea
commit 283fec6ea3
2 changed files with 53 additions and 41 deletions
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23
src/main/java/stirling/software/SPDF/controller/api/misc/FakeScanController.java
View File

@ -168,13 +168,22 @@ public class FakeScanController {
if (baseRotation != 0 || rotateVariance != 0) { if (baseRotation != 0 || rotateVariance != 0) {
pageRotation += (RANDOM.nextDouble() * 2 - 1) * rotateVariance; pageRotation += (RANDOM.nextDouble() * 2 - 1) * rotateVariance;
} }
BufferedImage rotated;
int w = composed.getWidth();
int h = composed.getHeight();
int rotW = w;
int rotH = h;
// Skip rotation entirely if no rotation is needed
if (pageRotation == 0) {
rotated = composed;
} else {
double radians = Math.toRadians(pageRotation); double radians = Math.toRadians(pageRotation);
double sin = Math.abs(Math.sin(radians)); double sin = Math.abs(Math.sin(radians));
double cos = Math.abs(Math.cos(radians)); double cos = Math.abs(Math.cos(radians));
int w = composed.getWidth(); rotW = (int) Math.floor(w * cos + h * sin);
int h = composed.getHeight(); rotH = (int) Math.floor(h * cos + w * sin);
int rotW = (int) Math.floor(w * cos + h * sin);
int rotH = (int) Math.floor(h * cos + w * sin);
BufferedImage rotatedBg = new BufferedImage(rotW, rotH, composed.getType()); BufferedImage rotatedBg = new BufferedImage(rotW, rotH, composed.getType());
Graphics2D gBgRot = rotatedBg.createGraphics(); Graphics2D gBgRot = rotatedBg.createGraphics();
for (int y = 0; y < rotH; y++) { for (int y = 0; y < rotH; y++) {
@ -183,7 +192,8 @@ public class FakeScanController {
int r = int r =
Math.round( Math.round(
startColor.getRed() startColor.getRed()
+ (endColor.getRed() - startColor.getRed()) * frac); + (endColor.getRed() - startColor.getRed())
* frac);
int g = int g =
Math.round( Math.round(
startColor.getGreen() startColor.getGreen()
@ -198,7 +208,7 @@ public class FakeScanController {
} }
} }
gBgRot.dispose(); gBgRot.dispose();
BufferedImage rotated = new BufferedImage(rotW, rotH, composed.getType()); rotated = new BufferedImage(rotW, rotH, composed.getType());
Graphics2D g2d = rotated.createGraphics(); Graphics2D g2d = rotated.createGraphics();
g2d.drawImage(rotatedBg, 0, 0, null); g2d.drawImage(rotatedBg, 0, 0, null);
AffineTransform at = new AffineTransform(); AffineTransform at = new AffineTransform();
@ -213,6 +223,7 @@ public class FakeScanController {
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.drawImage(composed, at, null); g2d.drawImage(composed, at, null);
g2d.dispose(); g2d.dispose();
}
// 4. Scale and center the rotated image to cover the original page size // 4. Scale and center the rotated image to cover the original page size
PDRectangle origPageSize = document.getPage(i).getMediaBox(); PDRectangle origPageSize = document.getPage(i).getMediaBox();

1
src/main/java/stirling/software/SPDF/model/api/misc/FakeScanRequest.java
View File

@ -85,6 +85,7 @@ public class FakeScanRequest {
public int getRotationValue() { public int getRotationValue() {
return switch (rotation.toLowerCase()) { return switch (rotation.toLowerCase()) {
case "none" -> 0;
case "slight" -> 2; case "slight" -> 2;
case "moderate" -> 5; case "moderate" -> 5;
case "severe" -> 8; case "severe" -> 8;