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scannerlib库增加jni调用

This commit is contained in:
luoliangyi 2023-11-02 18:38:32 +08:00
parent 662cf18938
commit 9e5aee9eed
5 changed files with 175 additions and 1 deletions
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6
build2/qt/HGScannerLib/HGScannerLib.def
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@ -31,3 +31,9 @@ HGLib_StartDeviceScan
HGLib_StopDeviceScan
HGLib_StopDeviceScanAsyn
HGLib_GetDeviceOperateCode
Java_com_easing_java_HGScannerLib_LoadImage
Java_com_easing_java_HGScannerLib_SaveImage
Java_com_easing_java_HGScannerLib_ReleaseImage
Java_com_easing_java_HGScannerLib_GetImageInfo
Java_com_easing_java_HGScannerLib_GetImageData

3
build2/qt/HGScannerLib/HGScannerLib.pro
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@ -51,6 +51,8 @@ win32 {
}
DEF_FILE = HGScannerLib.def
INCLUDEPATH += $$PWD/../../../third_party/jdk/include
INCLUDEPATH += $$PWD/../../../third_party/jdk/include/win32
LIBS += -lgdi32 -lgdiplus -ldbghelp
LIBS += -L$$PWD/../../build/$${MY_OS}/$${OEM_NAME}/$${MY_ARCH}/$${MY_CONFIGURE} -l$${OEM_PREFIX}Base -l$${OEM_PREFIX}ImgFmt -l$${OEM_PREFIX}ImgProc
LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsanexy
@ -177,6 +179,7 @@ unix {
SOURCES += \
../../../sdk/scannerlib/HGLibDeviceImpl.cpp \
../../../sdk/scannerlib/HGScannerLib.cpp \
../../../sdk/scannerlib/HGScannerLibJni.cpp \
../../../utility/HGString.cpp
HEADERS += \

102
sdk/scannerlib/HGScannerLibJni.cpp Normal file
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@ -0,0 +1,102 @@
#include <jni.h>
#include "HGScannerLib.h"
extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_LoadImage(
JNIEnv* env, jclass clazz, jstring filePath)
{
printf("\nJava_com_easing_java_HGScannerLib_LoadImage\n");
jboolean isCopy;
const char* ptr = env->GetStringUTFChars(filePath, &isCopy);
printf("filePath=%s\n", ptr);
HGLibImage img = HGLib_LoadImage(ptr);
printf("img=0x%p\n", img);
env->ReleaseStringUTFChars(filePath, ptr);
printf("\n");
return (jlong)img;
}
extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_SaveImage(
JNIEnv* env, jclass clazz, jlong img, jstring filePath, jobject saveParam)
{
printf("\nJava_com_easing_java_HGScannerLib_SaveImage\n");
HGLibSaveImageParam saveParam2 = {0};
saveParam2.size = sizeof(HGLibSaveImageParam);
jclass cls = env->GetObjectClass(saveParam);
saveParam2.jpegQuality = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "jpegQuality", "I"));
saveParam2.tiffCompression = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "tiffCompression", "I"));
saveParam2.tiffJpegQuality = (HGUInt)env->GetIntField(saveParam, env->GetFieldID(cls, "tiffJpegQuality", "I"));
saveParam2.ocr = (HGBool)env->GetIntField(saveParam, env->GetFieldID(cls, "ocr", "I"));
printf("jpegQuality=%u\n", saveParam2.jpegQuality);
printf("tiffCompression=%u\n", saveParam2.tiffCompression);
printf("tiffJpegQuality=%u\n", saveParam2.tiffJpegQuality);
printf("ocr=%d\n", saveParam2.ocr);
jboolean isCopy;
const char* ptr = env->GetStringUTFChars(filePath, &isCopy);
printf("img=0x%p, filePath=%s\n", (HGLibImage)img, ptr);
HGBool ret = HGLib_SaveImage((HGLibImage)img, ptr, &saveParam2);
printf("ret=%d\n", ret);
env->ReleaseStringUTFChars(filePath, ptr);
printf("\n");
return ret;
}
extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_ReleaseImage(
JNIEnv* env, jclass clazz, jlong img)
{
printf("\nJava_com_easing_java_HGScannerLib_ReleaseImage\n");
HGBool ret = HGLib_ReleaseImage((HGLibImage)img);
printf("ret=%d\n", ret);
printf("\n");
return ret;
}
extern "C" JNIEXPORT jint JNICALL Java_com_easing_java_HGScannerLib_GetImageInfo(
JNIEnv* env, jclass clazz, jlong img, jobject imgInfo)
{
printf("\nJava_com_easing_java_HGScannerLib_GetImageInfo\n");
HGLibImageInfo imgInfo2 = {0};
HGBool ret = HGLib_GetImageInfo((HGLibImage)img, &imgInfo2);
printf("ret=%d\n", ret);
if (ret)
{
jclass cls = env->GetObjectClass(imgInfo);
env->SetIntField(imgInfo, env->GetFieldID(cls, "width", "I"), imgInfo2.width);
env->SetIntField(imgInfo, env->GetFieldID(cls, "height", "I"), imgInfo2.height);
env->SetIntField(imgInfo, env->GetFieldID(cls, "type", "I"), imgInfo2.type);
env->SetIntField(imgInfo, env->GetFieldID(cls, "widthStep", "I"), imgInfo2.widthStep);
env->SetIntField(imgInfo, env->GetFieldID(cls, "origin", "I"), imgInfo2.origin);
}
printf("\n");
return ret;
}
extern "C" JNIEXPORT jbyteArray JNICALL Java_com_easing_java_HGScannerLib_GetImageData(
JNIEnv* env, jclass clazz, jlong img)
{
printf("\nJava_com_easing_java_HGScannerLib_GetImageData\n");
jbyteArray ret;
HGByte *imgData2 = HGLib_GetImageData((HGLibImage)img);
if (NULL != imgData2)
{
HGLibImageInfo imgInfo = {0};
if (HGLib_GetImageInfo((HGLibImage)img, &imgInfo))
{
ret = env->NewByteArray(imgInfo.widthStep * imgInfo.height);
env->SetByteArrayRegion(ret, 0, imgInfo.widthStep * imgInfo.height, (const jbyte*)imgData2);
}
}
printf("\n");
return ret;
}

61
test/scannerlib/huagao/java/com/easing/java/HGScannerLib.java Normal file
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@ -0,0 +1,61 @@
package com.easing.java;
class HGLibSaveImageParam {
public int jpegQuality;
public int tiffCompression;
public int tiffJpegQuality;
public int ocr;
}
class HGLibImageInfo {
public int width;
public int height;
public int type;
public int widthStep;
public int origin;
}
public class HGScannerLib {
static {
System.loadLibrary("HGScannerLib");
}
public native long LoadImage(String filePath);
public native int SaveImage(long img, String filePath, HGLibSaveImageParam saveParam);
public native int ReleaseImage(long img);
public native int GetImageInfo(long img, HGLibImageInfo imgInfo);
public native byte[] GetImageData(long img);
public static void main(String[] args) throws Exception {
System.out.println("hello world");
HGScannerLib inst = new HGScannerLib();
String filePath1 = "D:\\1.png";
long img = inst.LoadImage(filePath1);
HGLibSaveImageParam saveParam = new HGLibSaveImageParam();
saveParam.jpegQuality = 80;
saveParam.tiffCompression = 1;
saveParam.tiffJpegQuality = 70;
saveParam.ocr = 0;
String filePath2 = "D:\\2.png";
inst.SaveImage(img, filePath2, saveParam);
HGLibImageInfo imgInfo = new HGLibImageInfo();
inst.GetImageInfo(img, imgInfo);
System.out.println("ImageInfo:");
System.out.println("width=" + imgInfo.width);
System.out.println("height=" + imgInfo.height);
System.out.println("type=" + imgInfo.type);
System.out.println("widthStep=" + imgInfo.widthStep);
System.out.println("origin=" + imgInfo.origin);
byte[] imgData = inst.GetImageData(img);
System.out.println("imgData.length=" + imgData.length);
inst.ReleaseImage(img);
}
}

2
test/scannerlib/huagao/java/run.bat Normal file
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@ -0,0 +1,2 @@
javac -d . com/easing/java/HGScannerLib.java
java com.easing.java.HGScannerLib