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Rename DPISetter to PngImageWritter

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Make fn static

Signed-off-by: Rahul Rudragoudar <rr83019@gmail.com>
This commit is contained in:
Rahul Rudragoudar
2021-09-01 22:57:26 +05:30
parent 26d86bca4c
commit f83289514b
5 changed files with 13 additions and 17 deletions
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5
src/main/java/lc/captchas/FontFunCaptcha.java
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@@ -9,7 +9,7 @@ import java.util.Map;
import java.util.List;
import lc.captchas.interfaces.Challenge;
import lc.captchas.interfaces.ChallengeProvider;
import lc.misc.DPISetter;
import lc.misc.PngImageWriter;
import lc.misc.HelperFunctions;
public class FontFunCaptcha implements ChallengeProvider {
@@ -74,8 +74,7 @@ public class FontFunCaptcha implements ChallengeProvider {
graphics2D.dispose();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
DPISetter dpi = new DPISetter();
dpi.setDPI(baos, img);
PngImageWriter.write(baos, img);
} catch (Exception e) {
e.printStackTrace();
}

5
src/main/java/lc/captchas/ShadowTextCaptcha.java
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@@ -13,7 +13,7 @@ import java.util.Map;
import java.util.List;
import lc.misc.HelperFunctions;
import lc.misc.DPISetter;
import lc.misc.PngImageWriter;
import lc.captchas.interfaces.Challenge;
import lc.captchas.interfaces.ChallengeProvider;
@@ -67,8 +67,7 @@ public class ShadowTextCaptcha implements ChallengeProvider {
g2d.dispose();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
DPISetter dpi = new DPISetter();
dpi.setDPI(baos, img2);
PngImageWriter.write(baos, img2);
} catch (Exception e) {
e.printStackTrace();
}

10
src/main/java/lc/misc/DPISetter.java → src/main/java/lc/misc/PngImageWriter.java
View File

@@ -15,12 +15,12 @@ import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.stream.ImageOutputStream;
import java.awt.image.BufferedImage;
public class DPISetter {
public class PngImageWriter {
final int DPI = 245;
final double INCH_2_CM = 2.54;
static final int DPI = 245;
static final double INCH_2_CM = 2.54;
public void setDPI(ByteArrayOutputStream boas, BufferedImage gridImage) throws IOException {
public static void write(ByteArrayOutputStream boas, BufferedImage gridImage) throws IOException {
final String formatName = "png";
for (Iterator<ImageWriter> iw = ImageIO.getImageWritersByFormatName(formatName);
iw.hasNext(); ) {
@@ -45,7 +45,7 @@ public class DPISetter {
}
}
public void setDPIMeta(IIOMetadata metadata) throws IIOInvalidTreeException {
private static void setDPIMeta(IIOMetadata metadata) throws IIOInvalidTreeException {
// for PNG, it's dots per millimeter
double dotsPerMilli = 1.0 * DPI / 10 / INCH_2_CM;