static int io_read (lua_State *L) {
IOCtrl *ctrl = (IOCtrl *)lua_touserdata(L, -1);
int lastarg = lua_gettop(L) - 1;
int firstarg = 1;
FILE *f = gethandle(L, ctrl, firstarg);
int n;
if (f) firstarg++;
else f = getfilebyref(L, ctrl, INFILE); /* get _INPUT */
lua_pop(L, 1);
if (firstarg > lastarg) { /* no arguments? */
lua_settop(L, 0); /* erase upvalue and other eventual garbage */
firstarg = lastarg = 1; /* correct indices */
lua_pushstring(L, "*l"); /* push default argument */
}
else /* ensure stack space for all results and for auxlib's buffer */
luaL_checkstack(L, lastarg-firstarg+1+LUA_MINSTACK, "too many arguments");
for (n = firstarg; n<=lastarg; n++) {
int success;
if (lua_isnumber(L, n))
success = read_chars(L, f, (size_t)lua_tonumber(L, n));
else {
const char *p = luaL_check_string(L, n);
if (p[0] != '*')
success = read_pattern(L, f, p); /* deprecated! */
else {
switch (p[1]) {
case 'n': /* number */
if (!read_number(L, f)) goto endloop; /* read fails */
continue; /* number is already pushed; avoid the "pushstring" */
case 'l': /* line */
success = read_line(L, f);
break;
case 'a': /* file */
read_file(L, f);
success = 1; /* always success */
break;
case 'w': /* word */
success = read_word(L, f);
break;
default:
luaL_argerror(L, n, "invalid format");
success = 0; /* to avoid warnings */
}
}
}
if (!success) {
lua_pop(L, 1); /* remove last result */
break; /* read fails */
}
} endloop:
return n - firstarg;
}
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy
(JNIEnv *env, jobject obj)
{
tjhandle handle=0;
gethandle();
if(tjDestroy(handle)==-1) _throw(tjGetErrorStr());
(*env)->SetLongField(env, obj, _fid, 0);
bailout:
return;
}
static int ch_additem (lua_State* l) {
HWND h = gethandle(l,1);
const char* str = NULL;
if (lua_type(l,2)!=LUA_TTABLE) str = luaL_checkstring(l,2);
int pos = luaL_optint(l,3,0) -1;
if (pos<-1) pos += 1 + SendMessage(h, LB_GETCOUNT, 0, 0);
if (!str) return ch_addmultitems(l, 2, h, pos);
const wchar_t* wstr = strcvt(str, CP_UTF8, CP_UTF16, NULL);
SendMessage(h, LB_INSERTSTRING, pos, wstr);
free(wstr);
lua_settop(l,1);
return 1;
}
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII
(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,
jint stride, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jsize arraySize=0, actualStride;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| stride<0)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("Pixel format must be 32-bit when compressing from an integer buffer.");
actualStride=(stride==0)? width:stride;
arraySize=(y+height-1)*actualStride + x+width;
if((*env)->GetArrayLength(env, src)<arraySize)
_throw("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throw("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjCompress2(handle, &srcBuf[(y*actualStride + x)*sizeof(int)], width,
stride*sizeof(jint), height, pf, &jpegBuf, &jpegSize, jpegSubsamp,
jpegQual, flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
jpegBuf=srcBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII
(JNIEnv *env, jobject obj, jintArray src, jint width, jint pitch,
jint height, jint pf, jbyteArray dst, jint subsamp, jint flags)
{
tjhandle handle=0;
jsize arraySize=0;
unsigned char *srcBuf=NULL, *dstBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| pitch<0)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("Pixel format must be 32-bit when encoding from an integer buffer.");
arraySize=(pitch==0)? width*height:pitch*height;
if((*env)->GetArrayLength(env, src)<arraySize)
_throw("Source buffer is not large enough");
if((*env)->GetArrayLength(env, dst)
<(jsize)tjBufSizeYUV(width, height, subsamp))
_throw("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjEncodeYUV2(handle, srcBuf, width, pitch*sizeof(jint), height, pf,
dstBuf, subsamp, flags)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
dstBuf=srcBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return;
}
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIIIII
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,
jint x, jint y, jint width, jint stride, jint height, jint pf, jint flags)
{
tjhandle handle=0;
jsize arraySize=0, actualStride;
unsigned char *jpegBuf=NULL, *dstBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
_throw("Invalid argument in decompress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("Pixel format must be 32-bit when decompressing to an integer buffer.");
if((*env)->GetArrayLength(env, src)<jpegSize)
_throw("Source buffer is not large enough");
actualStride=(stride==0)? width:stride;
arraySize=(y+height-1)*actualStride + x+width;
if((*env)->GetArrayLength(env, dst)<arraySize)
_throw("Destination buffer is not large enough");
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjDecompress2(handle, jpegBuf, (unsigned long)jpegSize,
&dstBuf[(y*actualStride + x)*sizeof(int)], width, stride*sizeof(jint),
height, pf, flags)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
dstBuf=jpegBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
return;
}
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII
(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,
jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,
jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0; jsize arraySize=0;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| pitch<0)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height;
if((*env)->GetArrayLength(env, src)<arraySize)
_throw("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throw("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjCompress2(handle, srcBuf, width, pitch, height, pf, &jpegBuf,
&jpegSize, jpegSubsamp, jpegQual, flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
jpegBuf=srcBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
static jint TJCompressor_compress
(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint x, jint y,
jint width, jint pitch, jint height, jint pf, jbyteArray dst,
jint jpegSubsamp, jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jsize arraySize=0, actualPitch;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| pitch<0)
_throwarg("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throwarg("Mismatch between Java and C API");
actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)
_throwarg("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throwarg("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(ProcessSystemProperties(env)<0) goto bailout;
if(tjCompress2(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]], width,
pitch, height, pf, &jpegBuf, &jpegSize, jpegSubsamp, jpegQual,
flags|TJFLAG_NOREALLOC)==-1)
_throwtj();
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIIIII
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,
jint x, jint y, jint width, jint pitch, jint height, jint pf, jint flags)
{
tjhandle handle=0;
jsize arraySize=0, actualPitch;
unsigned char *jpegBuf=NULL, *dstBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
_throw("Invalid argument in decompress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, src)<jpegSize)
_throw("Source buffer is not large enough");
actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
if((*env)->GetArrayLength(env, dst)<arraySize)
_throw("Destination buffer is not large enough");
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjDecompress2(handle, jpegBuf, (unsigned long)jpegSize,
&dstBuf[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,
flags)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
dstBuf=jpegBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
return;
}
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,
jint flags)
{
tjhandle handle=0;
unsigned char *jpegBuf=NULL, *dstBuf=NULL;
int jpegSubsamp=-1, jpegWidth=0, jpegHeight=0;
gethandle();
if((*env)->GetArrayLength(env, src)<jpegSize)
_throw("Source buffer is not large enough");
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));
jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));
jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));
jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);
if((*env)->GetArrayLength(env, dst)
<(jsize)tjBufSizeYUV(jpegWidth, jpegHeight, jpegSubsamp))
_throw("Destination buffer is not large enough");
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjDecompressToYUV(handle, jpegBuf, (unsigned long)jpegSize, dstBuf,
flags)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
dstBuf=jpegBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
return;
}
static int io_write (lua_State *L) {
int lastarg = lua_gettop(L) - 1;
IOCtrl *ctrl = (IOCtrl *)lua_touserdata(L, -1);
int arg = 1;
int status = 1;
FILE *f = gethandle(L, ctrl, arg);
if (f) arg++;
else f = getfilebyref(L, ctrl, OUTFILE); /* get _OUTPUT */
for (; arg <= lastarg; arg++) {
if (lua_type(L, arg) == LUA_TNUMBER) { /* LUA_NUMBER */
/* optimization: could be done exactly as for strings */
status = status && fprintf(f, "%ld", lua_tonumber(L, arg)) > 0;
}
else {
size_t l;
const char *s = luaL_check_lstr(L, arg, &l);
status = status && (fwrite(s, sizeof(char), l, f) == l);
}
}
pushresult(L, status);
return 1;
}
/*
* NAME: rsrc->resize()
* DESCRIPTION: change the length of a resource
*/
void *rsrc_resize(void *rdata, unsigned long newsize)
{
rsrchandle *newrsrc, *rsrc = gethandle(rdata);
if (rsrc->len == newsize)
goto done;
newrsrc = (rsrchandle *) REALLOC(rsrc, byte, sizeof(rsrchandle) + newsize);
if (newrsrc == 0)
ERROR(ENOMEM, 0);
newrsrc->attrs |= RSRC_RES_CHANGED;
newrsrc->len = newsize;
rdata = getrdata(newrsrc);
done:
return rdata;
fail:
return 0;
}
static int ch_newindex (lua_State* l) {
HWND h = gethandle(l,1);
if (lua_isnumber(l,2)) {
int pos = luaL_checkint(l,2);
if (pos==0) pos=-1;
if (pos<0) pos += SendMessage(h, LB_GETCOUNT, 0, 0);
else pos--;
const char* str = luaL_checkstring(l,3);
const wchar_t* wstr = strcvt(str, CP_UTF8, CP_UTF16, NULL);
int sel = SendMessage(h, LB_GETCURSEL, 0, 0);
SendMessage(h, LB_DELETESTRING, pos, 0);
SendMessage(h, LB_INSERTSTRING, pos, wstr);
SendMessage(h, LB_SETCURSEL, sel, 0);
free(wstr);
return 0;
}
const char* nm = luaL_checkstring(l,2);
if (streq(nm, "selectedIndex")) {
int n = lua_tonumber(l,3);
if (n==0) n=-1;
else if (n<0) n += SendMessage(h, LB_GETCOUNT, 0, 0);
else n--;
SendMessage(h, LB_SETCURSEL, n, 0);
}
else if (streq(nm, "selectedItem")) {
const char* str = luaL_checkstring(l,3);
const wchar_t* wstr = strcvt(str, CP_UTF8, CP_UTF16, NULL);
SendMessage(h, LB_SELECTSTRING, -1, wstr);
free(wstr);
}
else if (streq(nm, "onClose")) SetProp(h, L"onClose", lua_topointer(l,3));
else if (streq(nm, "onAction")) SetProp(h, L"onAction", lua_topointer(l,3));
else if (streq(nm, "onSelect")) SetProp(h, L"onSelect", lua_topointer(l,3));
else if (streq(nm, "onContextMenu")) SetProp(h, L"onContextMenu", lua_topointer(l,3));
//SUITE
else luaL_argerror(l, 2, "undefined property");
return 0;
}
/*
* NAME: rsrc->size()
* DESCRIPTION: return the length of a resource in bytes
*/
unsigned long rsrc_size(void *rdata)
{
rsrchandle *rsrc = gethandle(rdata);
return rsrc->len;
}
static FILE *getnonullfile (lua_State *L, IOCtrl *ctrl, int arg) {
FILE *f = gethandle(L, ctrl, arg);
luaL_arg_check(L, f, arg, "invalid file handle");
return f;
}
int luacommonhandle_setfocus (lua_State* l) {
HWND h = gethandle(l,1);
SetForegroundWindow(GetParent(h));
lua_settop(l,1);
return 1;
}
static int ch_clear (lua_State* l) {
HWND h = gethandle(l,1);
lua_settop(l,0);
SendMessage(h, LB_RESETCONTENT, 0, 0);
return 0;
}
static int ch_getlen (lua_State* l) {
HWND h = gethandle(l,1);
lua_settop(l,0);
lua_pushinteger(l, SendMessage(h, LB_GETCOUNT, 0, 0));
return 1;
}
static int ch_index (lua_State* l) {
HWND h = gethandle(l,1);
if (lua_isnumber(l,2)) {
int pos = luaL_checkint(l,2);
if (pos==0) pos=-1;
if (pos<0) pos += SendMessage(h, LB_GETCOUNT, 0, 0);
else pos--;
int len = SendMessage(h, LB_GETTEXTLEN, pos, 0);
wchar_t* wstr = malloc(sizeof(wchar_t) * (len+1));
SendMessage(h, LB_GETTEXT, pos, wstr);
wstr[len]=0;
const char* str = strncvt(wstr, len, CP_UTF16, CP_UTF8, &len);
lua_settop(l,0);
lua_pushlstring(l, str, len);
free(str);
free(wstr);
return 1;
}
const char* nm = luaL_checkstring(l,2);
if (streq(nm, "selectedIndex")) {
int cur = SendMessage(h, LB_GETCURSEL, 0, 0);
if (cur==LB_ERR || cur<0) lua_pushinteger(l,0);
else lua_pushinteger(l,cur+1);
return 1;
}
else if (streq(nm, "selectedItem")) {
int cur = SendMessage(h, LB_GETCURSEL, 0, 0);
if (cur==LB_ERR || cur<0) return 0;
int len = SendMessage(h, LB_GETTEXTLEN, cur, 0);
wchar_t* wstr = malloc(sizeof(wchar_t) * (len+1));
SendMessage(h, LB_GETTEXT, cur, wstr);
wstr[len]=0;
const char* str = strncvt(wstr, len, CP_UTF16, CP_UTF8, &len);
lua_settop(l,0);
lua_pushlstring(l, str, len);
free(str);
free(wstr);
return 1;
}
else if (streq(nm, "closed")) {
lua_pushboolean(l, IsWindow(h)!=0);
return 1;
}
else if (streq(nm, "onClose")) {
void* p = GetProp(h, L"onClose");
if (p) lua_pushluafunction(l,p);
else lua_pushnil(l);
return 1;
}
else if (streq(nm, "onAction")) {
void* p = GetProp(h, L"onAction");
if (p) lua_pushluafunction(l,p);
else lua_pushnil(l);
return 1;
}
else if (streq(nm, "onSelect")) {
void* p = GetProp(h, L"onSelect");
if (p) lua_pushluafunction(l,p);
else lua_pushnil(l);
return 1;
}
else if (streq(nm, "onContextMenu")) {
void* p = GetProp(h, L"onContextMenu");
if (p) lua_pushluafunction(l,p);
else lua_pushnil(l);
return 1;
}
else if (streq(nm, "hwnd")) {
lua_pushlightuserdata(l, h);
return 1;
}
//SUITE
return luaL_getmetafield(l, 1, nm);
}
/* TurboJPEG 1.4.x: TJCompressor::compressFromYUV() */
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compressFromYUV___3_3B_3II_3III_3BII
(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
jint width, jintArray jSrcStrides, jint height, jint subsamp,
jbyteArray dst, jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jbyteArray jSrcPlanes[3]={NULL, NULL, NULL};
unsigned char *srcPlanes[3], *jpegBuf=NULL;
int *srcOffsets=NULL, *srcStrides=NULL;
int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
gethandle();
if(subsamp<0 || subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
_throwarg("Invalid argument in compressFromYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throwarg("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, srcobjs)<nc)
_throwarg("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
_throwarg("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcStrides)<nc)
_throwarg("Strides array is too small for the subsampling type");
jpegSize=tjBufSize(width, height, subsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throwarg("Destination buffer is not large enough");
bailif0(srcOffsets=(*env)->GetPrimitiveArrayCritical(env, jSrcOffsets, 0));
bailif0(srcStrides=(*env)->GetPrimitiveArrayCritical(env, jSrcStrides, 0));
for(i=0; i<nc; i++)
{
int planeSize=tjPlaneSizeYUV(i, width, srcStrides[i], height, subsamp);
int pw=tjPlaneWidth(i, width, subsamp);
if(planeSize<0 || pw<0)
_throwarg(tjGetErrorStr());
if(srcOffsets[i]<0)
_throwarg("Invalid argument in compressFromYUV()");
if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
bailif0(jSrcPlanes[i]=(*env)->GetObjectArrayElement(env, srcobjs, i));
if((*env)->GetArrayLength(env, jSrcPlanes[i])<srcOffsets[i]+planeSize)
_throwarg("Source plane is not large enough");
bailif0(srcPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jSrcPlanes[i],
0));
srcPlanes[i]=&srcPlanes[i][srcOffsets[i]];
}
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(ProcessSystemProperties(env)<0) goto bailout;
if(tjCompressFromYUVPlanes(handle, srcPlanes, width, srcStrides, height,
subsamp, &jpegBuf, &jpegSize, jpegQual, flags|TJFLAG_NOREALLOC)==-1)
_throwtj();
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
for(i=0; i<nc; i++)
{
if(srcPlanes[i] && jSrcPlanes[i])
(*env)->ReleasePrimitiveArrayCritical(env, jSrcPlanes[i], srcPlanes[i],
0);
}
if(srcStrides)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcStrides, srcStrides, 0);
if(srcOffsets)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcOffsets, srcOffsets, 0);
return (jint)jpegSize;
}
static PyObject *
sp_CreateProcess(PyObject* self, PyObject* args)
{
BOOL result;
PROCESS_INFORMATION pi;
STARTUPINFO si;
PyObject* environment;
char* application_name;
char* command_line;
PyObject* process_attributes; /* ignored */
PyObject* thread_attributes; /* ignored */
int inherit_handles;
int creation_flags;
PyObject* env_mapping;
char* current_directory;
PyObject* startup_info;
if (! PyArg_ParseTuple(args, "zzOOiiOzO:CreateProcess",
&application_name,
&command_line,
&process_attributes,
&thread_attributes,
&inherit_handles,
&creation_flags,
&env_mapping,
¤t_directory,
&startup_info))
return NULL;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
/* note: we only support a small subset of all SI attributes */
si.dwFlags = getint(startup_info, "dwFlags");
si.wShowWindow = getint(startup_info, "wShowWindow");
si.hStdInput = gethandle(startup_info, "hStdInput");
si.hStdOutput = gethandle(startup_info, "hStdOutput");
si.hStdError = gethandle(startup_info, "hStdError");
if (PyErr_Occurred())
return NULL;
if (env_mapping == Py_None)
environment = NULL;
else {
environment = getenvironment(env_mapping);
if (! environment)
return NULL;
}
Py_BEGIN_ALLOW_THREADS
result = CreateProcess(application_name,
command_line,
NULL,
NULL,
inherit_handles,
creation_flags,
environment ? PyString_AS_STRING(environment) : NULL,
current_directory,
&si,
&pi);
Py_END_ALLOW_THREADS
Py_XDECREF(environment);
if (! result)
return PyErr_SetFromWindowsErr(GetLastError());
return Py_BuildValue("NNii",
sp_handle_new(pi.hProcess),
sp_handle_new(pi.hThread),
pi.dwProcessId,
pi.dwThreadId);
}
JNIEXPORT jintArray JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_transform
(JNIEnv *env, jobject obj, jbyteArray jsrcBuf, jint jpegSize,
jobjectArray dstobjs, jobjectArray tobjs, jint flags)
{
tjhandle handle=0; int i;
unsigned char *jpegBuf=NULL, **dstBufs=NULL; jsize n=0;
unsigned long *dstSizes=NULL; tjtransform *t=NULL;
jbyteArray *jdstBufs=NULL;
int jpegWidth=0, jpegHeight=0, jpegSubsamp;
jintArray jdstSizes=0; jint *dstSizesi=NULL;
JNICustomFilterParams *params=NULL;
gethandle();
if((*env)->GetArrayLength(env, jsrcBuf)<jpegSize)
_throw("Source buffer is not large enough");
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));
jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));
jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));
jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);
n=(*env)->GetArrayLength(env, dstobjs);
if(n!=(*env)->GetArrayLength(env, tobjs))
_throw("Mismatch between size of transforms array and destination buffers array");
if((dstBufs=(unsigned char **)malloc(sizeof(unsigned char *)*n))==NULL)
_throw("Memory allocation failure");
if((jdstBufs=(jbyteArray *)malloc(sizeof(jbyteArray)*n))==NULL)
_throw("Memory allocation failure");
if((dstSizes=(unsigned long *)malloc(sizeof(unsigned long)*n))==NULL)
_throw("Memory allocation failure");
if((t=(tjtransform *)malloc(sizeof(tjtransform)*n))==NULL)
_throw("Memory allocation failure");
if((params=(JNICustomFilterParams *)malloc(sizeof(JNICustomFilterParams)*n))
==NULL)
_throw("Memory allocation failure");
for(i=0; i<n; i++)
{
dstBufs[i]=NULL; jdstBufs[i]=NULL; dstSizes[i]=0;
memset(&t[i], 0, sizeof(tjtransform));
memset(¶ms[i], 0, sizeof(JNICustomFilterParams));
}
for(i=0; i<n; i++)
{
jobject tobj, cfobj;
bailif0(tobj=(*env)->GetObjectArrayElement(env, tobjs, i));
bailif0(_cls=(*env)->GetObjectClass(env, tobj));
bailif0(_fid=(*env)->GetFieldID(env, _cls, "op", "I"));
t[i].op=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "options", "I"));
t[i].options=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "x", "I"));
t[i].r.x=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "y", "I"));
t[i].r.y=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "width", "I"));
t[i].r.w=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "height", "I"));
t[i].r.h=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "cf",
"Lorg/libjpegturbo/turbojpeg/TJCustomFilter;"));
cfobj=(*env)->GetObjectField(env, tobj, _fid);
if(cfobj)
{
params[i].env=env;
params[i].tobj=tobj;
params[i].cfobj=cfobj;
t[i].customFilter=JNICustomFilter;
t[i].data=(void *)¶ms[i];
}
}
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, jsrcBuf, 0));
for(i=0; i<n; i++)
{
int w=jpegWidth, h=jpegHeight;
if(t[i].r.w!=0) w=t[i].r.w;
if(t[i].r.h!=0) h=t[i].r.h;
bailif0(jdstBufs[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));
if((unsigned long)(*env)->GetArrayLength(env, jdstBufs[i])
<tjBufSize(w, h, jpegSubsamp))
_throw("Destination buffer is not large enough");
bailif0(dstBufs[i]=(*env)->GetPrimitiveArrayCritical(env, jdstBufs[i], 0));
}
if(tjTransform(handle, jpegBuf, jpegSize, n, dstBufs, dstSizes, t,
flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
jpegBuf=NULL;
for(i=0; i<n; i++)
{
(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);
dstBufs[i]=NULL;
}
_throw(tjGetErrorStr());
}
jdstSizes=(*env)->NewIntArray(env, n);
bailif0(dstSizesi=(*env)->GetIntArrayElements(env, jdstSizes, 0));
for(i=0; i<n; i++) dstSizesi[i]=(int)dstSizes[i];
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
if(dstBufs)
{
for(i=0; i<n; i++)
{
if(dstBufs[i] && jdstBufs && jdstBufs[i])
(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);
}
free(dstBufs);
}
if(jdstBufs) free(jdstBufs);
if(dstSizes) free(dstSizes);
if(dstSizesi) (*env)->ReleaseIntArrayElements(env, jdstSizes, dstSizesi, 0);
if(t) free(t);
return jdstSizes;
}
// retrieve and cache a module handle from already loaded modules
// (This function won't attempt to load the requested module/library.)
HMODULE getlib(HMODULE *modptr, const char *name) {
gethandle(modptr, name);
if (*modptr == NULL) error("FAILED to retrieve module handle for '%s'", name);
return *modptr;
}
/* TurboJPEG 1.4.x: TJDecompressor::decompressToYUV() */
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV___3BI_3_3B_3II_3III
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize,
jobjectArray dstobjs, jintArray jDstOffsets, jint desiredWidth,
jintArray jDstStrides, jint desiredHeight, jint flags)
{
tjhandle handle=0;
jbyteArray jDstPlanes[3]={NULL, NULL, NULL};
unsigned char *jpegBuf=NULL, *dstPlanes[3];
int *dstOffsets=NULL, *dstStrides=NULL;
int jpegSubsamp=-1, jpegWidth=0, jpegHeight=0;
int nc=0, i, width, height, scaledWidth, scaledHeight, nsf=0;
tjscalingfactor *sf;
gethandle();
if((*env)->GetArrayLength(env, src)<jpegSize)
_throwarg("Source buffer is not large enough");
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));
jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));
jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));
jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);
nc=(jpegSubsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3);
width=desiredWidth; height=desiredHeight;
if(width==0) width=jpegWidth;
if(height==0) height=jpegHeight;
sf=tjGetScalingFactors(&nsf);
if(!sf || nsf<1)
_throwarg(tjGetErrorStr());
for(i=0; i<nsf; i++)
{
scaledWidth=TJSCALED(jpegWidth, sf[i]);
scaledHeight=TJSCALED(jpegHeight, sf[i]);
if(scaledWidth<=width && scaledHeight<=height)
break;
}
bailif0(dstOffsets=(*env)->GetPrimitiveArrayCritical(env, jDstOffsets, 0));
bailif0(dstStrides=(*env)->GetPrimitiveArrayCritical(env, jDstStrides, 0));
for(i=0; i<nc; i++)
{
int planeSize=tjPlaneSizeYUV(i, scaledWidth, dstStrides[i], scaledHeight,
jpegSubsamp);
int pw=tjPlaneWidth(i, scaledWidth, jpegSubsamp);
if(planeSize<0 || pw<0)
_throwarg(tjGetErrorStr());
if(dstOffsets[i]<0)
_throwarg("Invalid argument in decompressToYUV()");
if(dstStrides[i]<0 && dstOffsets[i]-planeSize+pw<0)
_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
bailif0(jDstPlanes[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));
if((*env)->GetArrayLength(env, jDstPlanes[i])<dstOffsets[i]+planeSize)
_throwarg("Destination plane is not large enough");
bailif0(dstPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jDstPlanes[i],
0));
dstPlanes[i]=&dstPlanes[i][dstOffsets[i]];
}
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
if(tjDecompressToYUVPlanes(handle, jpegBuf, (unsigned long)jpegSize,
dstPlanes, desiredWidth, dstStrides, desiredHeight, flags)==-1)
_throwtj();
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
for(i=0; i<nc; i++)
{
if(dstPlanes[i] && jDstPlanes[i])
(*env)->ReleasePrimitiveArrayCritical(env, jDstPlanes[i], dstPlanes[i],
0);
}
if(dstStrides)
(*env)->ReleasePrimitiveArrayCritical(env, jDstStrides, dstStrides, 0);
if(dstOffsets)
(*env)->ReleasePrimitiveArrayCritical(env, jDstOffsets, dstOffsets, 0);
return;
}
static void TJDecompressor_decodeYUV
(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
jintArray jSrcStrides, jint subsamp, jarray dst, jint dstElementSize,
jint x, jint y, jint width, jint pitch, jint height, jint pf, jint flags)
{
tjhandle handle=0;
jsize arraySize=0, actualPitch;
jbyteArray jSrcPlanes[3]={NULL, NULL, NULL};
unsigned char *srcPlanes[3], *dstBuf=NULL;
int *srcOffsets=NULL, *srcStrides=NULL;
int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || subsamp<0
|| subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
_throwarg("Invalid argument in decodeYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF
|| org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throwarg("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, srcobjs)<nc)
_throwarg("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
_throwarg("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcStrides)<nc)
_throwarg("Strides array is too small for the subsampling type");
actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
if((*env)->GetArrayLength(env, dst)*dstElementSize<arraySize)
_throwarg("Destination buffer is not large enough");
bailif0(srcOffsets=(*env)->GetPrimitiveArrayCritical(env, jSrcOffsets, 0));
bailif0(srcStrides=(*env)->GetPrimitiveArrayCritical(env, jSrcStrides, 0));
for(i=0; i<nc; i++)
{
int planeSize=tjPlaneSizeYUV(i, width, srcStrides[i], height, subsamp);
int pw=tjPlaneWidth(i, width, subsamp);
if(planeSize<0 || pw<0)
_throwarg(tjGetErrorStr());
if(srcOffsets[i]<0)
_throwarg("Invalid argument in decodeYUV()");
if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
bailif0(jSrcPlanes[i]=(*env)->GetObjectArrayElement(env, srcobjs, i));
if((*env)->GetArrayLength(env, jSrcPlanes[i])<srcOffsets[i]+planeSize)
_throwarg("Source plane is not large enough");
bailif0(srcPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jSrcPlanes[i],
0));
srcPlanes[i]=&srcPlanes[i][srcOffsets[i]];
}
bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjDecodeYUVPlanes(handle, srcPlanes, srcStrides, subsamp,
&dstBuf[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,
flags)==-1)
_throwtj();
bailout:
if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
for(i=0; i<nc; i++)
{
if(srcPlanes[i] && jSrcPlanes[i])
(*env)->ReleasePrimitiveArrayCritical(env, jSrcPlanes[i], srcPlanes[i],
0);
}
if(srcStrides)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcStrides, srcStrides, 0);
if(srcOffsets)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcOffsets, srcOffsets, 0);
return;
}
int CMemUtil::readmemory(DWORD processId, DWORD memAddress, char* result, DWORD size, bool addBaseAddress, bool useCache /*= true*/)
{
HANDLE dwHandle = gethandle(processId);
if (dwHandle == NULL)
return 1;
void *ptr;
if (addBaseAddress)
ptr = (void *)(memAddress - 0x400000 + GetProcessBaseAddr(processId));
else
ptr = (void *)memAddress;
if (useCache)
{
DWORD alignedAddr = ((DWORD)ptr) & (0xFFFFFFFF - (MEMORY_CACHE_ENTRY_SIZE - 1));
DWORD alignOffset = ((DWORD)ptr) & (MEMORY_CACHE_ENTRY_SIZE - 1);
DWORD bufOffset = 0;
LARGE_INTEGER currentTimestamp;
QueryPerformanceCounter(¤tTimestamp);
while(bufOffset < size)
{
if (m_memoryCache[alignedAddr].expirationTime < currentTimestamp.QuadPart)
{
// Refresh the cache entry
DWORD ret = readmemory(processId, alignedAddr, m_memoryCache[alignedAddr].value, MEMORY_CACHE_ENTRY_SIZE, 0, false);
if (ret != 0)
return ret;
m_memoryCache[alignedAddr].expirationTime = currentTimestamp.QuadPart + m_cacheTimeoutTicks;
}
DWORD entryReadSize = min(size - bufOffset, MEMORY_CACHE_ENTRY_SIZE - alignOffset);
// Load the entry data
memcpy(result + bufOffset, (m_memoryCache[alignedAddr].value + alignOffset), entryReadSize);
// After the first load, there's no longer an align
alignOffset = 0;
alignedAddr += MEMORY_CACHE_ENTRY_SIZE;
bufOffset += entryReadSize;
}
return 0;
}
if (ReadProcessMemory(dwHandle, ptr, result, size, NULL))
{
return 0;
}
else
{
if (::GetLastError() == ERROR_INVALID_HANDLE)
{
//FILE *f=fopen("C:/out.txt","a+");
//fprintf(f,"time %lld old %d,",time(NULL),dwHandle);
dwHandle = NULL;
for (int iter = 1000; iter > 0; iter--)
{
dwHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, m_prevProcessId);
if (dwHandle)
{
char buf[111];
sprintf(buf, "iter %d", iter);
if (iter != 1000)
MessageBox(NULL, buf, "", 0);
break;
}
Sleep(10);
}
//fprintf(f,"new %d\n",dwHandle);
//fclose(f);
m_prevProcessHandle = dwHandle;
if (ReadProcessMemory(dwHandle, ptr, result, size, NULL))
return 0;
}
if (::GetLastError() == ERROR_NOACCESS)
{
CloseHandle(dwHandle);
dwHandle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, m_prevProcessId);
m_prevProcessHandle = dwHandle;
if (ReadProcessMemory(dwHandle, ptr, result, size, NULL))
return 0;
}
if (::GetLastError() == ERROR_PARTIAL_COPY)
{
//Possibly Tibia has been killed
//Test valid address; taCMemUtil::GetMemIntValue(-1)
void *ptrTest = (void*)(0x0410000 + GetProcessBaseAddr(processId));
int resultTest;
if (!ReadProcessMemory(dwHandle, ptrTest, &resultTest, 4, NULL))
{
//try getting new handle
dwHandle = NULL;
for (int iter = 1000; iter > 0; iter--)
{
dwHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, m_prevProcessId);
if (dwHandle)
{
char buf[111];
sprintf(buf, "iter %d", iter);
if (iter != 1000)
MessageBox(NULL, buf, "", 0);
break;
}
Sleep(10);
}
m_prevProcessHandle = dwHandle;
if (ReadProcessMemory(dwHandle, ptr, result, size, NULL))
{
return 0;
}
else
{
DWORD terminatedStatus = 9999;
if (GetExitCodeProcess(dwHandle, &terminatedStatus))
if (terminatedStatus != STILL_ACTIVE) //If Tibia is no longer active then close TA
PostQuitMessage(0);
}
}
else
{
//Tibia is still running but a bad memory address was given
return 1;
}
//fprintf(f,"new %d\n",dwHandle);
//fclose(f);
}
DWORD err = ::GetLastError();
CloseHandle(dwHandle);
m_prevProcessId = -1;
PostQuitMessage(0);
return err;
}
}
/*
* NAME: rsrc->changed()
* DESCRIPTION: indicate a changed resource which must be rewritten to disk
*/
void rsrc_changed(void *rdata)
{
rsrchandle *rsrc = gethandle(rdata);
rsrc->attrs |= RSRC_RES_CHANGED;
}
#include <lua.h>
#include <lauxlib.h>
#include "spacenav.h"
static spacenav_t *gethandle(lua_State *L)
{
return *((spacenav_t**)luaL_checkudata(L,1,"spacenav"));
}
static int delete(lua_State *L)
{
spacenav_t *sn = gethandle(L);
spacenav_destroy(sn);
lua_pushnil(L);
lua_setmetatable(L,1);
return 0;
}
static int get_vals(lua_State *L)
{
spacenav_t *sn = gethandle(L);
sn_axes_t v;
int res;
res = spacenav_get(sn, &v);
if (res)
return 0;
lua_createtable(L, 0, 8);
