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Include base64 encoding for use in ocr space API encoding

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
This commit is contained in:
sigonasr2, Sig, Sigo 2022-08-04 19:43:04 +00:00
parent 323f10b52d
commit eab1814f98
3 changed files with 9 additions and 187 deletions

194
ArcadeReader.java

@ -1,193 +1,15 @@
import java.io.File;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.awt.Graphics2D;
import java.awt.Font;
import java.awt.Color;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Base64;
public class ArcadeReader {
char getClosestCharacter(char[]list,int[][]pixelData,BufferedImage input,int s1,int s2,int s3,int s4) throws Exception{
if (input.getWidth()!=128&&input.getHeight()!=128) {
throw new Exception("Width and Height must be 128!");
}
for (int x=0;x<128;x++) {
for (int y=0;y<128;y++) {
if (input.getRGB(x,y)!=Color.BLACK.getRGB()) {
input.setRGB(x,y,Color.WHITE.getRGB());
}
}
}
BufferedImage img = new BufferedImage(128,128,BufferedImage.TYPE_INT_ARGB);
Graphics2D g = img.createGraphics();
g.setColor(Color.WHITE);
g.setBackground(Color.BLACK);
g.clearRect(0, 0, 128, 128);
g.drawImage(input,0,0,null);
int topMost=128;
int leftMost=128;
for (int x=0;x<img.getWidth();x++) {
for (int y=0;y<img.getHeight();y++) {
if (img.getRGB(x,y)==Color.WHITE.getRGB()) {
if (x<leftMost) {
leftMost=x;
}
if (y<topMost) {
topMost=y;
}
}
}
}
g.clearRect(0, 0, 128, 128);
g.drawImage(input,-leftMost,-topMost,null);
//ImageIO.write(img,"png",new File("result.png"));
char maxSimilarity='\0';
int maxSimilarityScore=0;
int similarityScore=0;
for (int i=0;i<list.length;i++) {
char c = list[i];
for (int x=0;x<128;x++) {
for (int y=0;y<128;y++) {
if (img.getRGB(x,y)==pixelData[i][y*128+x]) {
if (pixelData[i][y*128+x]==Color.WHITE.getRGB()) {
similarityScore+=s1;
} else {
similarityScore+=s2;
}
} else {
if (pixelData[i][y*128+x]==Color.BLACK.getRGB()) {
similarityScore-=s3;
} else {
similarityScore-=s4;
}
}
}
}
if (similarityScore>maxSimilarityScore) {
maxSimilarityScore=similarityScore;
maxSimilarity=c;
System.out.println(c+" matches with a score of "+similarityScore);
}
similarityScore=0;
}
g.dispose();
return maxSimilarity;
}
public ArcadeReader() {
/*
Noto Sans Japanese
Hiragana: 3041-3096
Katakana: 30A0-30FF
Kanji: 3400-4DB5,4E00-9FCB,F900-FA6A
Kanji Radicals: 2E80-2FD5
Alphanumeric/Punctuation: FF01-FF5E
*/
char totalCharacters = (0x3097-0x3041)+(0x3100-0x30A0)+(0x4DB6-0x3400)+(0x9FCC-0x4E00)+(0xFA6B-0xF900)+(0x2FD6-0x2E80)+(0xFF5F-0xFF01);
System.out.println("Total Characters: "+(int)totalCharacters);
/*PrintWriter pw = new PrintWriter(System.out,true);
pw.printf("0x3041~0x3096:\n");
for (char i=0x3041;i<=0x3096;i++) {
pw.print(i);
}
pw.printf("\n");
pw.printf("0x30A0~0x30FF:\n");
for (char i=0x30A0;i<=0x30FF;i++) {
pw.print(i);
}
pw.printf("\n");
pw.printf("0x3400~0x4DB5:\n");
for (char i=0x3400;i<=0x4DB5;i++) {
pw.print(i);
}
pw.printf("\n");
pw.printf("0x4E00~0x9FCB:\n");
for (char i=0x4E00;i<=0x9FCB;i++) {
pw.print(i);
}
pw.printf("\n");
pw.printf("0xF900~0xFA6A:\n");
for (char i=0xF900;i<=0xFA6A;i++) {
pw.print(i);
}
pw.printf("\n");
pw.printf("0x2E80~0x2FD5:\n");
for (char i=0x2E80;i<=0x2FD5;i++) {
pw.print(i);
}
pw.printf("\n");*/
public static String fileToBase64String(Path file) {
try {
Font font;
font = Font.createFont(Font.TRUETYPE_FONT, new File("NotoSansJP-Bold.otf"));
font = font.deriveFont(Font.BOLD, 64);
BufferedImage img = new BufferedImage(128,128,BufferedImage.TYPE_INT_ARGB);
Graphics2D g = img.createGraphics();
g.setFont(font);
g.setColor(Color.WHITE);
g.setBackground(Color.BLACK);
int counter=0;
char[] ranges=new char[]{
0x3041,0x3096,
0x30A0,0x30FF,
0x3400,0x4DB5,
0x4E00,0x9FCB,
0xF900,0xFA6A,
0xFF01,0xFF5E,
0x2E80,0x2FD5,
};
char[] character = new char[totalCharacters];
int[][] pixelData = new int[totalCharacters][128*128];
for (int i=0;i<ranges.length;i+=2) {
for (char j=ranges[i];j<=ranges[i+1];j++) {
g.clearRect(0, 0, 128, 128);
g.drawString(Character.toString(j),32,96);
//Detect highest and leftest pixels.
int topMost=128;
int leftMost=128;
for (int x=0;x<img.getWidth();x++) {
for (int y=0;y<img.getHeight();y++) {
if (img.getRGB(x, y)==Color.WHITE.getRGB()) {
if (x<leftMost) {
leftMost=x;
}
if (y<topMost) {
topMost=y;
}
}
}
}
g.clearRect(0, 0, 128, 128);
g.drawString(Character.toString(j),32-leftMost,96-topMost);
for (int x=0;x<img.getWidth();x++) {
for (int y=0;y<img.getHeight();y++) {
character[counter]=j;
pixelData[counter][y*128+x]=img.getRGB(x,y);
}
}
counter++;
}
}
g.dispose();
//ImageIO.write(img,"png",new File("character.png"));
BufferedImage input = (BufferedImage)ImageIO.read(new File("test.png"));
for (int s1=0;s1<10;s1++) {
for (int s2=0;s2<10;s2++) {
for (int s3=-6;s3<1;s3++) {
for (int s4=-9;s4<1;s4++) {
System.out.println("Trying ("+s1+"/"+s2+"/"+s3+"/"+s4+"):");
char closest = getClosestCharacter(character,pixelData,input,s1,s2,s3,s4);
if (closest=='ホ') {
System.out.println("\n Got ホ using params: "+s1+"/"+s2+"/"+s3+"/"+s4+"\n");
}
}
}
}
}
} catch (Exception e) {
return Base64.getEncoder().encodeToString(Files.readAllBytes(file));
} catch(IOException e) {
e.printStackTrace();
}
return "";
}
}

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2
sigPlace.java

@ -48,7 +48,7 @@ public class sigPlace {
"%FOOTER", Paths.get(REFDIR,"FOOTER.html"))
));
public static void main(String[] args) {
new ArcadeReader();
System.out.println(ArcadeReader.fileToBase64String(Paths.get("sdvx.jpg")));
/* Path secretFile = Paths.get(".clientsecret");
List<String> data;
try {