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- package epson.print;
- import android.graphics.Bitmap;
- import android.graphics.Matrix;
- import android.media.ExifInterface;
- import java.io.IOException;
- public class EPImageUtil {
- public static final String CANCEL_FILE_BASE_NAME = "cancel.dat";
- public static final int RETURN_CODE_CANCLE = -257;
- public static native int jpegTo1BitBmpPixelRoundDown(String str, String str2, int i);
- public native int bmp2jpg(String str, String str2, int i);
- public native int color2grayscale(String str, String str2);
- public native int getBitCount(String str);
- public native int jpg2bmp(String str, String str2, int i);
- public native int resizeImage(String str, String str2, int i, int i2, int i3, int i4, int i5, int i6, int i7, int i8, int i9, int i10);
- public native int rotate180Image(String str, String str2);
- public native int rotateR270Image(String str, String str2);
- public native int rotateR90Image(String str, String str2);
- public native int tiff2bmp(String str, String str2);
- public native int writeDate(String str, String str2, int i, int i2);
- static {
- try {
- System.loadLibrary("epsimage");
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- public int rotateImage(String str, String str2, int i) {
- if (i == 90) {
- return rotateR90Image(str, str2);
- }
- if (i == 180) {
- return rotate180Image(str, str2);
- }
- if (i != 270) {
- return 0;
- }
- return rotateR270Image(str, str2);
- }
- public Bitmap check_rotate(String str, Bitmap bitmap) {
- try {
- int attributeInt = new ExifInterface(str).getAttributeInt(android.support.media.ExifInterface.TAG_ORIENTATION, 0);
- if (attributeInt != 6 && attributeInt != 3 && attributeInt != 8) {
- return bitmap;
- }
- Matrix matrix = new Matrix();
- if (attributeInt == 3) {
- matrix.setRotate(180.0f);
- } else if (attributeInt == 6) {
- matrix.setRotate(90.0f);
- } else if (attributeInt != 8) {
- matrix.setRotate(0.0f);
- } else {
- matrix.setRotate(270.0f);
- }
- return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
- } catch (IOException e) {
- e.printStackTrace();
- return bitmap;
- }
- }
- }
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