aidlab/aida-seller
7
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

水印图黑边问题

Browse Source
This commit is contained in:
litianxiang
2026-06-02 11:29:03 +08:00
parent f838ce4d55
commit a631b80598
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/main/java/com/aida/seller/util/ImageWatermarkUtil.java
View File

@@ -77,9 +77,11 @@ public class ImageWatermarkUtil {
int width = original.getWidth();
int height = original.getHeight();
BufferedImage output = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
BufferedImage output = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = output.createGraphics();
try {
g2d.setBackground(Color.WHITE);
g2d.clearRect(0, 0, width, height);
g2d.drawImage(original, 0, 0, width, height, null);
int baseFontSize = Math.max(12, (int) (Math.min(width, height) * watermarkProperties.getFontSizeRatio()));
@@ -90,6 +92,7 @@ public class ImageWatermarkUtil {
g2d.setColor(new Color(rgba[0], rgba[1], rgba[2], rgba.length > 3 ? rgba[3] : 128));
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
double radians = Math.toRadians(watermarkProperties.getRotationDegrees());
int stepX = (int) (baseFontSize * watermarkProperties.getSpacingRatioX());