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shadow text: center text

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This commit is contained in:
hrj 2022-04-05 10:12:38 +05:30
parent 8c38ba2a21
commit 5218653f56
1 changed files with 3 additions and 2 deletions
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5
src/main/java/lc/captchas/ShadowTextCaptcha.java
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@ -56,9 +56,10 @@ public class ShadowTextCaptcha implements ChallengeProvider {
graphics2D.setPaint(Color.BLACK);
graphics2D.setFont(font);
final var stringWidth = graphics2D.getFontMetrics().stringWidth(text);
final var padding = (stringWidth > width) ? 0 : (width - stringWidth)/2;
final var scaleX = (stringWidth > width) ? width/((double) stringWidth) : 1d;
graphics2D.scale(scaleX, 1d);
graphics2D.drawString(text, 0, fontHeight*1.1f);
graphics2D.drawString(text, padding, fontHeight*1.1f);
graphics2D.dispose();
final int kernelSize = (int) Math.ceil((Math.min(width, height) / 50.0));
ConvolveOp op = new ConvolveOp(new Kernel(kernelSize, kernelSize, makeKernel(kernelSize)), ConvolveOp.EDGE_NO_OP, null);
@ -68,7 +69,7 @@ public class ShadowTextCaptcha implements ChallengeProvider {
g2d.setPaint(Color.WHITE);
g2d.scale(scaleX, 1d);
g2d.setFont(font);
g2d.drawString(text, -kernelSize, fontHeight*1.1f);
g2d.drawString(text, padding-kernelSize, fontHeight*1.1f);
g2d.dispose();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {