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minor, simplification

This commit is contained in:
hrj 2022-04-03 23:01:40 +05:30
parent 6480da09ff
commit 832053f6e9
1 changed files with 6 additions and 9 deletions
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15
src/main/java/lc/captchas/ShadowTextCaptcha.java
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@ -37,14 +37,16 @@ public class ShadowTextCaptcha implements ChallengeProvider {
return answer.toLowerCase().equals(secret); return answer.toLowerCase().equals(secret);
} }
private float[] kernel = {
1f / 9f, 1f / 9f, 1f / 9f,
1f / 9f, 1f / 9f, 1f / 9f,
1f / 9f, 1f / 9f, 1f / 9f
};
private byte[] shadowText(final int width, final int height, String text) { private byte[] shadowText(final int width, final int height, String text) {
BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Font font = new Font("Arial", Font.ROMAN_BASELINE, 48); Font font = new Font("Arial", Font.ROMAN_BASELINE, 48);
Graphics2D graphics2D = img.createGraphics(); Graphics2D graphics2D = img.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics2D.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
HelperFunctions.setRenderingHints(graphics2D); HelperFunctions.setRenderingHints(graphics2D);
graphics2D.setPaint(Color.WHITE); graphics2D.setPaint(Color.WHITE);
graphics2D.fillRect(0, 0, width, height); graphics2D.fillRect(0, 0, width, height);
@ -52,11 +54,6 @@ public class ShadowTextCaptcha implements ChallengeProvider {
graphics2D.setFont(font); graphics2D.setFont(font);
graphics2D.drawString(text, 15, 50); graphics2D.drawString(text, 15, 50);
graphics2D.dispose(); graphics2D.dispose();
float[] kernel = {
1f / 9f, 1f / 9f, 1f / 9f,
1f / 9f, 1f / 9f, 1f / 9f,
1f / 9f, 1f / 9f, 1f / 9f
};
ConvolveOp op = new ConvolveOp(new Kernel(3, 3, kernel), ConvolveOp.EDGE_NO_OP, null); ConvolveOp op = new ConvolveOp(new Kernel(3, 3, kernel), ConvolveOp.EDGE_NO_OP, null);
BufferedImage img2 = op.filter(img, null); BufferedImage img2 = op.filter(img, null);
Graphics2D g2d = img2.createGraphics(); Graphics2D g2d = img2.createGraphics();