scannerlib库增加jni调用
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662cf18938
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@ -30,4 +30,10 @@ HGLib_DeviceShutDown
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HGLib_StartDeviceScan
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HGLib_StopDeviceScan
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HGLib_StopDeviceScanAsyn
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HGLib_GetDeviceOperateCode
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HGLib_GetDeviceOperateCode
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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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@ -51,6 +51,8 @@ win32 {
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}
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DEF_FILE = HGScannerLib.def
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INCLUDEPATH += $$PWD/../../../third_party/jdk/include
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INCLUDEPATH += $$PWD/../../../third_party/jdk/include/win32
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LIBS += -lgdi32 -lgdiplus -ldbghelp
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LIBS += -L$$PWD/../../build/$${MY_OS}/$${OEM_NAME}/$${MY_ARCH}/$${MY_CONFIGURE} -l$${OEM_PREFIX}Base -l$${OEM_PREFIX}ImgFmt -l$${OEM_PREFIX}ImgProc
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LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsanexy
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@ -177,6 +179,7 @@ unix {
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SOURCES += \
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../../../sdk/scannerlib/HGLibDeviceImpl.cpp \
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../../../sdk/scannerlib/HGScannerLib.cpp \
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../../../sdk/scannerlib/HGScannerLibJni.cpp \
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../../../utility/HGString.cpp
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HEADERS += \
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@ -0,0 +1,102 @@
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#include <jni.h>
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#include "HGScannerLib.h"
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extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_LoadImage(
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JNIEnv* env, jclass clazz, jstring filePath)
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{
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printf("\nJava_com_easing_java_HGScannerLib_LoadImage\n");
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jboolean isCopy;
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const char* ptr = env->GetStringUTFChars(filePath, &isCopy);
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printf("filePath=%s\n", ptr);
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HGLibImage img = HGLib_LoadImage(ptr);
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printf("img=0x%p\n", img);
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env->ReleaseStringUTFChars(filePath, ptr);
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printf("\n");
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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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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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HGLibSaveImageParam saveParam2 = {0};
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saveParam2.size = sizeof(HGLibSaveImageParam);
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jclass cls = env->GetObjectClass(saveParam);
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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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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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printf("ocr=%d\n", saveParam2.ocr);
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jboolean isCopy;
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const char* ptr = env->GetStringUTFChars(filePath, &isCopy);
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printf("img=0x%p, filePath=%s\n", (HGLibImage)img, ptr);
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HGBool ret = HGLib_SaveImage((HGLibImage)img, ptr, &saveParam2);
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printf("ret=%d\n", ret);
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env->ReleaseStringUTFChars(filePath, ptr);
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printf("\n");
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return ret;
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}
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extern "C" JNIEXPORT jint 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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HGBool ret = HGLib_ReleaseImage((HGLibImage)img);
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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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}
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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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{
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printf("\nJava_com_easing_java_HGScannerLib_GetImageInfo\n");
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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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env->SetIntField(imgInfo, env->GetFieldID(cls, "widthStep", "I"), imgInfo2.widthStep);
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env->SetIntField(imgInfo, env->GetFieldID(cls, "origin", "I"), imgInfo2.origin);
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}
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printf("\n");
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return ret;
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}
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extern "C" JNIEXPORT jbyteArray JNICALL Java_com_easing_java_HGScannerLib_GetImageData(
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JNIEnv* env, jclass clazz, jlong img)
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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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HGByte *imgData2 = HGLib_GetImageData((HGLibImage)img);
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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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}
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}
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printf("\n");
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return ret;
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}
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@ -0,0 +1,61 @@
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package com.easing.java;
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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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}
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class HGLibImageInfo {
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public int width;
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public int height;
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public int type;
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public int widthStep;
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public int origin;
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}
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public class HGScannerLib {
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static {
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System.loadLibrary("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 byte[] GetImageData(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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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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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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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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System.out.println("type=" + imgInfo.type);
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System.out.println("widthStep=" + imgInfo.widthStep);
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System.out.println("origin=" + imgInfo.origin);
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byte[] imgData = inst.GetImageData(img);
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System.out.println("imgData.length=" + imgData.length);
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inst.ReleaseImage(img);
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}
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}
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@ -0,0 +1,2 @@
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javac -d . com/easing/java/HGScannerLib.java
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java com.easing.java.HGScannerLib
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