scannerlib完成图像jni接口
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@ -36,4 +36,5 @@ Java_com_easing_java_HGScannerLib_LoadImage
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Java_com_easing_java_HGScannerLib_SaveImage
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Java_com_easing_java_HGScannerLib_ReleaseImage
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Java_com_easing_java_HGScannerLib_GetImageInfo
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Java_com_easing_java_HGScannerLib_GetImageData
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Java_com_easing_java_HGScannerLib_GetImageData
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Java_com_easing_java_HGScannerLib_GetImageDpi
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@ -17,7 +17,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_LoadImage(
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return (jlong)img;
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}
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extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_SaveImage(
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extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_SaveImage(
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JNIEnv* env, jclass clazz, jlong img, jstring filePath, jobject saveParam)
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{
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printf("\nJava_com_easing_java_HGScannerLib_SaveImage\n");
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@ -29,7 +29,7 @@ extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_SaveImage(
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saveParam2.jpegQuality = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "jpegQuality", "I"));
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saveParam2.tiffCompression = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "tiffCompression", "I"));
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saveParam2.tiffJpegQuality = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "tiffJpegQuality", "I"));
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saveParam2.ocr = (HGBool)env->GetIntField(saveParam, env->GetFieldID(cls, "ocr", "I"));
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saveParam2.ocr = (HGBool)env->GetBooleanField(saveParam, env->GetFieldID(cls, "ocr", "Z"));
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printf("jpegQuality=%u\n", saveParam2.jpegQuality);
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printf("tiffCompression=%u\n", saveParam2.tiffCompression);
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printf("tiffJpegQuality=%u\n", saveParam2.tiffJpegQuality);
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@ -43,10 +43,10 @@ extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_SaveImage(
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env->ReleaseStringUTFChars(filePath, ptr);
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printf("\n");
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return ret;
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return (jboolean)ret;
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}
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extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_ReleaseImage(
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extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_ReleaseImage(
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JNIEnv* env, jclass clazz, jlong img)
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{
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printf("\nJava_com_easing_java_HGScannerLib_ReleaseImage\n");
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@ -55,20 +55,23 @@ extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_ReleaseImage
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printf("ret=%d\n", ret);
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printf("\n");
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return ret;
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return (jboolean)ret;
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}
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extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_GetImageInfo(
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JNIEnv* env, jclass clazz, jlong img, jobject imgInfo)
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extern "C" JNIEXPORT jobject JNICALL Java_com_easing_java_HGScannerLib_GetImageInfo(
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JNIEnv* env, jclass clazz, jlong img)
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{
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printf("\nJava_com_easing_java_HGScannerLib_GetImageInfo\n");
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jclass cls = env->FindClass("com/easing/java/HGLibImageInfo");
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jmethodID init = env->GetMethodID(cls, "<init>", "()V");
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jobject imgInfo = env->NewObject(cls, init);
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HGLibImageInfo imgInfo2 = {0};
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HGBool ret = HGLib_GetImageInfo((HGLibImage)img, &imgInfo2);
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printf("ret=%d\n", ret);
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if (ret)
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{
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jclass cls = env->GetObjectClass(imgInfo);
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env->SetIntField(imgInfo, env->GetFieldID(cls, "width", "I"), imgInfo2.width);
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env->SetIntField(imgInfo, env->GetFieldID(cls, "height", "I"), imgInfo2.height);
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env->SetIntField(imgInfo, env->GetFieldID(cls, "type", "I"), imgInfo2.type);
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@ -77,7 +80,7 @@ extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_GetImageInfo
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}
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printf("\n");
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return ret;
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return imgInfo;
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}
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extern "C" JNIEXPORT jbyteArray JNICALL Java_com_easing_java_HGScannerLib_GetImageData(
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@ -85,18 +88,50 @@ extern "C" JNIEXPORT jbyteArray JNICALL Java_com_easing_java_HGScannerLib_GetIma
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{
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printf("\nJava_com_easing_java_HGScannerLib_GetImageData\n");
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jbyteArray ret;
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jbyteArray imgData;
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HGByte *imgData2 = HGLib_GetImageData((HGLibImage)img);
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printf("imgData=0x%p\n", imgData2);
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if (NULL != imgData2)
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{
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HGLibImageInfo imgInfo = {0};
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if (HGLib_GetImageInfo((HGLibImage)img, &imgInfo))
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{
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ret = env->NewByteArray(imgInfo.widthStep * imgInfo.height);
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env->SetByteArrayRegion(ret, 0, imgInfo.widthStep * imgInfo.height, (const jbyte*)imgData2);
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imgData = env->NewByteArray(imgInfo.widthStep * imgInfo.height);
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env->SetByteArrayRegion(imgData, 0, imgInfo.widthStep * imgInfo.height, (const jbyte*)imgData2);
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}
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else
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{
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imgData = env->NewByteArray(0);
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}
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}
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else
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{
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imgData = env->NewByteArray(0);
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}
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printf("\n");
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return ret;
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return imgData;
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}
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extern "C" JNIEXPORT jobject JNICALL Java_com_easing_java_HGScannerLib_GetImageDpi(
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JNIEnv* env, jclass clazz, jlong img)
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{
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printf("\nJava_com_easing_java_HGScannerLib_GetImageDpi\n");
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jclass cls = env->FindClass("com/easing/java/HGLibImageDpi");
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jmethodID init = env->GetMethodID(cls, "<init>", "()V");
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jobject imgDpi = env->NewObject(cls, init);
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HGUInt xDpi, yDpi;
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HGBool ret = HGLib_GetImageDpi((HGLibImage)img, &xDpi, &yDpi);
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printf("ret=%d\n", ret);
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if (ret)
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{
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env->SetIntField(imgDpi, env->GetFieldID(cls, "xDpi", "I"), xDpi);
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env->SetIntField(imgDpi, env->GetFieldID(cls, "yDpi", "I"), yDpi);
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}
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printf("\n");
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return imgDpi;
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}
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@ -4,7 +4,7 @@ class HGLibSaveImageParam {
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public int jpegQuality;
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public int tiffCompression;
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public int tiffJpegQuality;
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public int ocr;
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public boolean ocr;
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}
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class HGLibImageInfo {
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@ -15,6 +15,11 @@ class HGLibImageInfo {
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public int origin;
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}
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class HGLibImageDpi {
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public int xDpi;
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public int yDpi;
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}
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public class HGScannerLib {
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static {
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@ -22,30 +27,27 @@ public class HGScannerLib {
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}
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public native long LoadImage(String filePath);
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public native int SaveImage(long img, String filePath, HGLibSaveImageParam saveParam);
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public native int ReleaseImage(long img);
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public native int GetImageInfo(long img, HGLibImageInfo imgInfo);
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public native boolean SaveImage(long img, String filePath, HGLibSaveImageParam saveParam);
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public native boolean ReleaseImage(long img);
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public native HGLibImageInfo GetImageInfo(long img);
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public native byte[] GetImageData(long img);
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public native HGLibImageDpi GetImageDpi(long img);
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public static void main(String[] args) throws Exception {
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System.out.println("hello world");
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HGScannerLib inst = new HGScannerLib();
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String filePath1 = "D:\\1.png";
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long img = inst.LoadImage(filePath1);
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long img = inst.LoadImage("D:\\1.png");
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HGLibSaveImageParam saveParam = new HGLibSaveImageParam();
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saveParam.jpegQuality = 80;
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saveParam.tiffCompression = 1;
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saveParam.tiffJpegQuality = 70;
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saveParam.ocr = 0;
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saveParam.ocr = false;
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inst.SaveImage(img, "D:\\2.png", saveParam);
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String filePath2 = "D:\\2.png";
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inst.SaveImage(img, filePath2, saveParam);
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HGLibImageInfo imgInfo = new HGLibImageInfo();
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inst.GetImageInfo(img, imgInfo);
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HGLibImageInfo imgInfo = inst.GetImageInfo(img);
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System.out.println("ImageInfo:");
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System.out.println("width=" + imgInfo.width);
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System.out.println("height=" + imgInfo.height);
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@ -53,6 +55,11 @@ public class HGScannerLib {
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System.out.println("widthStep=" + imgInfo.widthStep);
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System.out.println("origin=" + imgInfo.origin);
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HGLibImageDpi imgDpi = inst.GetImageDpi(img);
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System.out.println("ImageDpi:");
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System.out.println("xDpi=" + imgDpi.xDpi);
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System.out.println("yDpi=" + imgDpi.yDpi);
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byte[] imgData = inst.GetImageData(img);
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System.out.println("imgData.length=" + imgData.length);
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