JNIEXPORT void JNICALL Java_org_libharu_Document_destruct
(JNIEnv *env, jobject obj)
{
haru_setup_error_handler(env, __func__);
HPDF_Doc pdf = get_HPDF_Doc(env, obj);
HPDF_Free(pdf);
haru_clear_error_handler();
}
// JNI methods
JNIEXPORT void JNICALL Java_org_libharu_Page_construct
(JNIEnv *env, jobject obj, jobject document)
{
haru_setup_error_handler(env, __func__);
HPDF_Doc pdf = get_HPDF_Doc(env, document);
HPDF_Page page = HPDF_AddPage(pdf);
set_HPDF_Page(env, obj, page);
haru_clear_error_handler();
}
JNIEXPORT void JNICALL Java_com_draekko_libharu_PdfImage_constructPng
(JNIEnv *env, jobject obj, jobject document, jstring fileName) {
haru_setup_error_handler(env, __func__);
const char* file_str = env->GetStringUTFChars(fileName, 0);
current_pdf = get_HPDF_Doc(env, document);
current_page = HPDF_GetCurrentPage(current_pdf);
HPDF_Image image = HPDF_LoadPngImageFromFile(current_pdf, file_str);
set_HPDF_Image(env, obj, image);
env->ReleaseStringUTFChars(fileName, file_str);
haru_clear_error_handler();
}
JNIEXPORT void JNICALL Java_org_libharu_Document_setPassword
(JNIEnv *env, jobject obj, jstring jownerpass, jstring juserpass)
{
haru_setup_error_handler(env, __func__);
const char *ownerpass = (char*)env->GetStringUTFChars(jownerpass, NULL);
if (ownerpass == NULL) return;
const char *userpass = (char*)env->GetStringUTFChars(juserpass, NULL);
if (userpass == NULL) return;
HPDF_Doc pdf = get_HPDF_Doc(env, obj);
HPDF_SetPassword(pdf, ownerpass, userpass);
env->ReleaseStringUTFChars(jownerpass, ownerpass);
env->ReleaseStringUTFChars(juserpass, userpass);
haru_clear_error_handler();
}
JNIEXPORT void JNICALL Java_org_libharu_Document_setCompressionMode
(JNIEnv *env, jobject obj, jobject compression)
{
haru_setup_error_handler(env, __func__);
jclass CompressionMode = env->FindClass("org/libharu/Document$CompressionMode");
jmethodID getNameMethod = env->GetMethodID(CompressionMode, "name", "()Ljava/lang/String;");
jstring comp_value = (jstring)env->CallObjectMethod(compression, getNameMethod);
const char* comp_str = env->GetStringUTFChars(comp_value, 0);
HPDF_UINT mode;
if (strcmp(comp_str, "COMP_NONE") == 0) mode = HPDF_COMP_NONE;
else if (strcmp(comp_str, "COMP_TEXT") == 0) mode = HPDF_COMP_TEXT;
else if (strcmp(comp_str, "COMP_IMAGE") == 0) mode = HPDF_COMP_IMAGE;
else if (strcmp(comp_str, "COMP_METADATA") == 0) mode = HPDF_COMP_METADATA;
else if (strcmp(comp_str, "COMP_ALL") == 0) mode = HPDF_COMP_ALL;
else haru_throw_exception("Unknown compression mode.");
HPDF_Doc pdf = get_HPDF_Doc(env, obj);
HPDF_SetCompressionMode (pdf, mode);
haru_clear_error_handler();
}
JNIEXPORT void JNICALL Java_org_libharu_Document_saveToFile
(JNIEnv *env, jobject obj, jstring filename)
{
haru_setup_error_handler(env, __func__);
const char *str = (char*)env->GetStringUTFChars(filename, NULL);
if (str == NULL) return;
HPDF_Doc pdf = get_HPDF_Doc(env, obj);
HPDF_STATUS rc = HPDF_SaveToFile(pdf, str);
env->ReleaseStringUTFChars(filename, str);
if (rc == HPDF_OK)
;
else if (rc == HPDF_INVALID_DOCUMENT)
haru_throw_exception("An invalid document handle is set.");
else if (rc == HPDF_FAILD_TO_ALLOC_MEM)
haru_throw_exception("Memory allocation failed.");
else if (rc == HPDF_FILE_IO_ERROR)
haru_throw_exception("An error occurred while processing file I/O.");
else
haru_throw_exception("Unknown return code.");
haru_clear_error_handler();
}
