MCStreamCache::~MCStreamCache()
{
if (m_cache_file)
MCS_close(m_cache_file);
if (m_cache_buffer)
MCMemoryDeallocate(m_cache_buffer);
}
IO_stat MCS_fakeclosewrite(IO_handle& p_stream, char*& r_buffer, uint4& r_length)
{
if ((p_stream -> flags & IO_FAKEWRITE) != IO_FAKEWRITE)
{
r_buffer = NULL;
r_length = 0;
MCS_close(p_stream);
return IO_ERROR;
}
MCMemoryFileHandle *t_handle;
t_handle = static_cast<MCMemoryFileHandle *>(p_stream -> handle);
t_handle -> TakeBuffer(r_buffer, r_length);
MCS_close(p_stream);
return IO_NORMAL;
}
void MCDispatch::cleanup(IO_handle stream, char *linkname, char *bname)
{
if (stream != NULL)
MCS_close(stream);
MCS_unlink(linkname);
if (bname != NULL)
MCS_unbackup(bname, linkname);
delete linkname;
delete bname;
}
static void cgi_dispose_multipart_context(cgi_multipart_context_t *p_context)
{
MCCStringFree(p_context->name);
MCCStringFree(p_context->file_name);
MCCStringFree(p_context->type);
MCCStringFree(p_context->boundary);
if (p_context->file_handle != NULL)
MCS_close(p_context->file_handle);
MCMemoryClear(p_context, sizeof(cgi_multipart_context_t));
}
Boolean IO_closefile(const char *name)
{
uint2 index;
if (IO_findfile(name, index))
{
if (MCfiles[index].ihandle != NULL)
MCS_close(MCfiles[index].ihandle);
else
{
if (MCfiles[index].ohandle->flags & IO_WRITTEN
&& !(MCfiles[index].ohandle->flags & IO_SEEKED))
MCS_trunc(MCfiles[index].ohandle);
MCS_close(MCfiles[index].ohandle);
}
delete MCfiles[index].name;
while (++index < MCnfiles)
MCfiles[index - 1] = MCfiles[index];
MCnfiles--;
return True;
}
return False;
}
void MCEncodedImageRep::ClearImageLoader()
{
if (m_loader != nil)
{
delete m_loader;
m_loader = nil;
}
if (m_stream != nil)
{
MCS_close(m_stream);
m_stream = nil;
}
}
void IO_cleanprocesses()
{
MCS_checkprocesses();
uint2 i = 0;
while (i < MCnprocesses)
if (MCprocesses[i].pid == 0
&& (MCprocesses[i].ihandle == NULL
|| MCS_eof(MCprocesses[i].ihandle)))
{
#ifdef X11
if (MCprocesses[i].mode == OM_VCLIP)
{
MCPlayer *tptr = MCplayers;
while (tptr != NULL)
{
if (strequal(MCprocesses[i].name, tptr->getcommand()))
{
tptr->playstop(); // removes from linked list
break;
}
tptr = tptr->getnextplayer();
}
}
#endif
if (MCprocesses[i].ihandle != NULL)
MCS_close(MCprocesses[i].ihandle);
if (MCprocesses[i].ohandle != NULL)
MCS_close(MCprocesses[i].ohandle);
delete MCprocesses[i].name;
uint2 j = i;
while (++j < MCnprocesses)
MCprocesses[j - 1] = MCprocesses[j];
MCnprocesses--;
}
else
i++;
}
bool MCVectorImageRep::CalculateGeometry(uindex_t &r_width, uindex_t &r_height)
{
bool t_success = true;
IO_handle t_stream = nil;
t_success = nil != (t_stream = MCS_fakeopen(MCString((char*)m_data, m_size)));
if (t_success)
t_success = MCImageGetMetafileGeometry(t_stream, r_width, r_height);
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
bool MCImageDecode(const uint8_t *p_data, uindex_t p_size, MCImageFrame *&r_frames, uindex_t &r_frame_count)
{
bool t_success = true;
IO_handle t_stream = nil;
t_success = nil != (t_stream = MCS_fakeopen(MCString((const char*)p_data, p_size)));
if (t_success)
t_success = MCImageDecode(t_stream, r_frames, r_frame_count);
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
void MCS_downloadurl(MCObject *p_target, const char *p_url, const char *p_file)
{
bool t_success = true;
char *t_processed = nil;
MCObjectHandle *t_obj = nil;
IO_handle t_output = nil;
MCSDownloadUrlState t_state;
t_output = MCS_open(p_file, IO_WRITE_MODE, False, False, 0);
if (t_output == nil)
{
MCresult -> sets("can't open that file");
return;
}
t_success = MCSystemProcessUrl(p_url, kMCSystemUrlOperationStrip, t_processed);
if (t_success)
t_success = nil != (t_obj = p_target->gethandle());
if (t_success)
{
t_state . url = t_processed;
t_state . status = kMCSystemUrlStatusNone;
t_state . object = t_obj;
t_state . output = t_output;
t_state . length = 0;
t_state . total = 0;
t_success = MCSystemLoadUrl(t_processed, MCS_downloadurl_callback, &t_state);
}
if (t_success)
{
while(t_state . status != kMCSystemUrlStatusFinished && t_state . status != kMCSystemUrlStatusError)
MCscreen -> wait(60.0, True, True);
if (t_state . status == kMCSystemUrlStatusFinished)
MCresult -> clear();
}
MCCStringFree(t_processed);
if (t_output != nil)
MCS_close(t_output);
if (t_obj != nil)
t_obj->Release();
}
// IM-2014-07-31: [[ ImageLoader ]] Use image loader method to identify stream format
uint32_t MCEncodedImageRep::GetDataCompression()
{
if (m_have_compression)
return m_compression;
IO_handle t_stream;
t_stream = nil;
MCImageLoaderFormat t_format;
if (GetDataStream(t_stream) && MCImageLoader::IdentifyFormat(t_stream, t_format))
/* UNCHECKED */ MCImageLoaderFormatToCompression(t_format, m_compression);
if (t_stream != nil)
MCS_close(t_stream);
return m_compression;
}
// IM-2011-08-05: Reorganization of post variables, now generating all at the same time
static Exec_stat cgi_compute_post_variables()
{
Exec_stat t_stat = ES_NORMAL;
if (s_cgi_processed_post)
return ES_NORMAL;
s_cgi_processed_post = true;
char *t_content_type;
t_content_type = MCS_getenv("CONTENT_TYPE");
if (t_content_type != NULL && strcasecmp(t_content_type, "application/x-www-form-urlencoded") == 0)
{
// TODO: currently we assume that urlencoded form data is small enough to fit into memory,
// so we fetch the contents from $_POST_RAW (which automatically reads the data from stdin).
// in the future we should read from stdin to avoid duplicating large amounts of data
MCExecPoint raw_ep, ep;
MCVarref *t_raw_ref;
t_raw_ref = s_cgi_post_raw->newvarref();
t_stat = t_raw_ref->eval(raw_ep);
if (t_stat == ES_NORMAL)
{
MCString t_raw_string;
t_raw_string = raw_ep.getsvalue();
cgi_store_form_urlencoded(ep, s_cgi_post_binary, t_raw_string.getstring(), t_raw_string.getstring() + t_raw_string.getlength(), false);
cgi_store_form_urlencoded(ep, s_cgi_post, t_raw_string.getstring(), t_raw_string.getstring() + t_raw_string.getlength(), true);
}
delete t_raw_ref;
}
else if (t_content_type != NULL && MCCStringBeginsWithCaseless(t_content_type, "multipart/form-data;"))
{
// read post-data from stdin, via the stream cache
MCExecPoint ep;
MCCacheHandle *t_stdin = new MCCacheHandle(s_cgi_stdin_cache);
IO_handle t_stdin_handle = new IO_header(t_stdin, 0);
cgi_store_form_multipart(ep, t_stdin_handle);
MCS_close(t_stdin_handle);
}
return t_stat;
}
bool MCVectorImageRep::LoadHeader(uindex_t &r_width, uindex_t &r_height, uint32_t &r_frame_count)
{
bool t_success = true;
MCAutoDataRef t_data;
IO_handle t_stream = nil;
if (t_success)
t_success = nil != (t_stream = MCS_fakeopen((const char *)m_data, m_size));
if (t_success)
t_success = MCImageGetMetafileGeometry(t_stream, r_width, r_height);
if (t_success)
r_frame_count = 1;
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
bool MCEncodedImageRep::SetupImageLoader()
{
if (m_loader != nil)
return true;
bool t_success;
t_success = true;
IO_handle t_stream;
t_stream = nil;
MCImageLoader *t_loader;
t_loader = nil;
if (t_success)
t_success = GetDataStream(t_stream);
if (t_success)
t_success = MCImageLoader::LoaderForStream(t_stream, t_loader);
if (t_success)
{
m_stream = t_stream;
m_loader = t_loader;
m_have_compression = MCImageLoaderFormatToCompression(m_loader->GetFormat(), m_compression);
}
else
{
if (t_loader != nil)
delete t_loader;
// PM-2015-10-20: [[ Bug 15256 ]] Prevent crash when loading a remote image and there is no internet connection
if (t_stream != nil)
MCS_close(t_stream);
}
return t_success;
}
char *MCVideoClip::getfile()
{
if (frames != NULL)
{
char *tmpfile = strclone(MCS_tmpnam());
IO_handle tstream;
if ((tstream = MCS_open(tmpfile, IO_WRITE_MODE, False, False, 0)) == NULL)
{
delete tmpfile;
return NULL;
}
IO_stat stat = IO_write(frames, sizeof(int1), size, tstream);
MCS_close(tstream);
if (stat != IO_NORMAL)
{
MCS_unlink(tmpfile);
delete tmpfile;
return NULL;
}
return tmpfile;
}
return NULL;
}
void MCArraysEvalArrayDecode(MCExecContext& ctxt, MCDataRef p_encoding, MCArrayRef& r_array)
{
bool t_success;
t_success = true;
IO_handle t_stream_handle;
t_stream_handle = nil;
if (t_success)
{
t_stream_handle = MCS_fakeopen(MCDataGetBytePtr(p_encoding), MCDataGetLength(p_encoding));
if (t_stream_handle == nil)
t_success = false;
}
uint8_t t_type;
if (t_success)
if (IO_read_uint1(&t_type, t_stream_handle) != IO_NORMAL)
t_success = false;
// AL-2014-05-01: [[ Bug 11989 ]] If the type is 'empty' then just return the empty array.
if (t_success && t_type == kMCEncodedValueTypeEmpty)
{
r_array = MCValueRetain(kMCEmptyArray);
return;
}
// AL-2014-05-15: [[ Bug 12203 ]] Check initial byte for version 7.0 encoded array.
bool t_legacy;
t_legacy = t_type < kMCEncodedValueTypeArray;
MCArrayRef t_array;
t_array = nil;
if (t_success)
t_success = MCArrayCreateMutable(t_array);
if (t_legacy)
{
if (t_success)
if (MCS_putback(t_type, t_stream_handle) != IO_NORMAL)
t_success = false;
MCObjectInputStream *t_stream;
t_stream = nil;
if (t_success)
{
t_stream = new MCObjectInputStream(t_stream_handle, MCDataGetLength(p_encoding), false);
if (t_stream == nil)
t_success = false;
}
if (t_success)
if (t_stream -> ReadU8(t_type) != IO_NORMAL)
t_success = false;
if (t_success)
if (MCArrayLoadFromStreamLegacy(t_array, *t_stream) != IO_NORMAL)
t_success = false;
delete t_stream;
}
else
{
if (t_success)
if (IO_read_valueref_new((MCValueRef &)t_array, t_stream_handle) != IO_NORMAL)
t_success = false;
}
MCS_close(t_stream_handle);
if (t_success)
{
r_array = t_array;
return;
}
MCValueRelease(t_array);
ctxt . Throw();
}
bool MCDispatch::isolatedsend(const char *p_stack_data, uint32_t p_stack_data_length, const char *p_message, MCParameter *p_parameters)
{
Boolean t_old_allow_interrupts;
MCStack *t_old_stacks;
MCObjectList *t_old_frontscripts, *t_old_backscripts;
MCStack **t_old_using;
uint2 t_old_nusing;
MCStack *t_old_defaultstack;
MCStack *t_old_staticdefaultstack;
MCStack *t_old_topstackptr;
t_old_allow_interrupts = MCallowinterrupts;
t_old_stacks = stacks;
t_old_frontscripts = MCfrontscripts;
t_old_backscripts = MCbackscripts;
t_old_using = MCusing;
t_old_nusing = MCnusing;
t_old_defaultstack = MCdefaultstackptr;
t_old_staticdefaultstack = MCstaticdefaultstackptr;
t_old_topstackptr = MCtopstackptr;
MCallowinterrupts = False;
stacks = nil;
MCnusing = 0;
MCusing = nil;
MCbackscripts = nil;
MCfrontscripts = nil;
// Load the stack
MCExecPoint ep;
ep . setstaticbytes(p_stack_data, p_stack_data_length);
MCDecompress::do_decompress(ep, 0, 0);
bool t_success;
MCStack *t_stack;
IO_handle t_stream;
t_success = false;
t_stack = nil;
t_stream = MCS_fakeopen(ep . getsvalue());
if (MCdispatcher -> readfile(NULL, NULL, t_stream, t_stack) == IO_NORMAL)
{
MCdefaultstackptr = MCstaticdefaultstackptr = MCtopstackptr = stacks;
MCAutoNameRef t_message_name;
/* UNCHECKED */ t_message_name . CreateWithCString(p_message);
if (t_stack -> message(t_message_name, p_parameters, True, True, False) == ES_NORMAL)
t_success = true;
destroystack(t_stack, True);
}
MCS_close(t_stream);
memset((void *)ep . getsvalue() . getstring(), 0, ep . getsvalue() . getlength());
ep . clear();
MCtopstackptr = t_old_topstackptr;
MCstaticdefaultstackptr = t_old_staticdefaultstack;
MCdefaultstackptr = t_old_defaultstack;
MCnusing = t_old_nusing;
MCusing = t_old_using;
MCbackscripts = t_old_backscripts;
MCfrontscripts = t_old_frontscripts;
stacks = t_old_stacks;
MCallowinterrupts = t_old_allow_interrupts;
return t_success;
}
IO_stat MCDispatch::startup(void)
{
IO_stat stat;
MCStack *sptr;
// set up image cache before the first stack is opened
MCCachedImageRep::init();
startdir = MCS_getcurdir();
enginedir = strclone(MCcmd);
char *eptr;
eptr = strrchr(enginedir, PATH_SEPARATOR);
if (eptr != NULL)
*eptr = '\0';
else
*enginedir = '\0';
MCExecPoint ep;
ep . setstaticbytes(MCstartupstack, MCstartupstack_length);
MCDecompress::do_decompress(ep, 0, 0);
IO_handle stream = MCS_fakeopen(ep . getsvalue());
if ((stat = MCdispatcher -> readfile(NULL, NULL, stream, sptr)) != IO_NORMAL)
{
MCS_close(stream);
return stat;
}
MCS_close(stream);
memset((void *)ep . getsvalue() . getstring(), 0, ep . getsvalue() . getlength());
ep . clear();
// Temporary fix to make sure environment stack doesn't get lost behind everything.
#if defined(_MACOSX)
ProcessSerialNumber t_psn = { 0, kCurrentProcess };
SetFrontProcess(&t_psn);
#elif defined(_WINDOWS)
SetForegroundWindow(((MCScreenDC *)MCscreen) -> getinvisiblewindow());
#endif
MCenvironmentactive = True;
sptr -> setfilename(strclone(MCcmd));
MCdefaultstackptr = MCstaticdefaultstackptr = stacks;
{
MCdefaultstackptr -> setextendedstate(true, ECS_DURING_STARTUP);
MCdefaultstackptr -> message(MCM_start_up, nil, False, True);
MCdefaultstackptr -> setextendedstate(false, ECS_DURING_STARTUP);
}
if (!MCquit)
{
MCresult -> fetch(ep);
ep . appendchar('\0');
if (ep . getsvalue() . getlength() == 1)
{
sptr -> open();
MCImage::init();
X_main_loop();
MCresult -> fetch(ep);
ep . appendchar('\0');
if (ep . getsvalue() . getlength() == 1)
return IO_NORMAL;
}
if (sptr -> getscript() != NULL)
memset(sptr -> getscript(), 0, strlen(sptr -> getscript()));
destroystack(sptr, True);
MCtopstackptr = NULL;
MCquit = False;
MCenvironmentactive = False;
send_relaunch();
sptr = findstackname(ep . getsvalue() . getstring());
if (sptr == NULL && (stat = loadfile(ep . getsvalue() . getstring(), sptr)) != IO_NORMAL)
return stat;
}
if (!MCquit)
{
// OK-2007-11-13 : Bug 5525, after opening the IDE engine, the allowInterrupts should always default to false,
// regardless of what the environment stack may have set it to.
MCallowinterrupts = true;
sptr -> setparent(this);
MCdefaultstackptr = MCstaticdefaultstackptr = stacks;
send_startup_message(false);
if (!MCquit)
sptr -> open();
}
return IO_NORMAL;
}
bool MCEncodedImageRep::LoadImageFrames(MCImageFrame *&r_frames, uindex_t &r_frame_count, bool &r_frames_premultiplied)
{
bool t_success = true;
// IM-2013-02-18 - switching this back to using MCImageImport as we need to
// determine the compression type for m_compression
IO_handle t_stream = nil;
IO_handle t_mask_stream = nil;
MCImageCompressedBitmap *t_compressed = nil;
MCImageBitmap *t_bitmap = nil;
MCPoint t_hotspot = {1, 1};
char *t_name = nil;
t_success = GetDataStream(t_stream) &&
MCImageImport(t_stream, t_mask_stream, t_hotspot, t_name, t_compressed, t_bitmap);
if (t_stream != nil)
MCS_close(t_stream);
MCImageFrame *t_frames;
t_frames = nil;
uindex_t t_frame_count;
t_frame_count = 0;
if (t_success)
{
if (t_compressed != nil)
t_success = MCImageDecompress(t_compressed, t_frames, t_frame_count);
else
{
t_success = MCMemoryNewArray(1, t_frames);
if (t_success)
{
t_frames[0].image = t_bitmap;
t_frames[0].density = 1.0;
t_bitmap = nil;
t_frame_count = 1;
}
}
}
if (t_success)
{
m_width = t_frames[0].image->width;
m_height = t_frames[0].image->height;
if (t_compressed != nil)
m_compression = t_compressed->compression;
m_have_geometry = true;
r_frames = t_frames;
r_frame_count = t_frame_count;
r_frames_premultiplied = false;
}
MCCStringFree(t_name);
MCImageFreeBitmap(t_bitmap);
MCImageFreeCompressedBitmap(t_compressed);
return t_success;
}
Exec_stat exec(MCExecPoint& ep)
{
bool t_success;
t_success = true;
char *t_old_filename;
t_old_filename = nil;
if (t_success && m_old_file -> eval(ep) == ES_NORMAL)
t_old_filename = ep . getsvalue() . clone();
else
t_success = false;
char *t_new_filename;
t_new_filename = nil;
if (t_success && m_new_file -> eval(ep) == ES_NORMAL)
t_new_filename = ep . getsvalue() . clone();
else
t_success = false;
char *t_patch_filename;
t_patch_filename = nil;
if (t_success && m_patch_file -> eval(ep) == ES_NORMAL)
t_patch_filename = ep . getsvalue() . clone();
else
t_success = false;
IO_handle t_old_handle;
t_old_handle = nil;
if (t_success)
{
t_old_handle = MCS_open(t_old_filename, IO_READ_MODE, False, False, 0);
if (t_old_handle == nil)
t_success = false;
}
IO_handle t_new_handle;
t_new_handle = nil;
if (t_success)
{
t_new_handle = MCS_open(t_new_filename, IO_READ_MODE, False, False, 0);
if (t_new_handle == nil)
t_success = false;
}
IO_handle t_patch_handle;
t_patch_handle = nil;
if (t_success)
{
t_patch_handle = MCS_open(t_patch_filename, IO_WRITE_MODE, False, False, 0);
if (t_patch_handle == nil)
t_success = false;
}
if (t_success)
{
InputStream t_new_stream, t_old_stream;
OutputStream t_patch_stream;
t_new_stream . handle = t_new_handle;
t_old_stream . handle = t_old_handle;
t_patch_stream . handle = t_patch_handle;
t_success = MCBsDiffBuild(&t_old_stream, &t_new_stream, &t_patch_stream);
}
if (t_success)
MCresult -> clear();
else
MCresult -> sets("patch building failed");
if (t_patch_handle != nil)
MCS_close(t_patch_handle);
if (t_new_handle != nil)
MCS_close(t_new_handle);
if (t_old_handle != nil)
MCS_close(t_old_handle);
delete t_patch_filename;
delete t_new_filename;
delete t_old_filename;
return ES_NORMAL;
}
void exec_ctxt(MCExecContext &ctxt)
{
bool t_success;
t_success = true;
MCAutoStringRef t_old_filename;
if (!ctxt . EvalExprAsStringRef(m_old_file, EE_INTERNAL_BSDIFF_BADOLD, &t_old_filename))
return;
MCAutoStringRef t_new_filename;
if (!ctxt . EvalExprAsStringRef(m_new_file, EE_INTERNAL_BSDIFF_BADNEW, &t_new_filename))
return;
MCAutoStringRef t_patch_filename;
if (!ctxt . EvalExprAsStringRef(m_patch_file, EE_INTERNAL_BSDIFF_BADPATCH, &t_patch_filename))
return;
IO_handle t_old_handle;
t_old_handle = nil;
if (t_success)
{
t_old_handle = MCS_open(*t_old_filename, kMCOpenFileModeRead, False, False, 0);
if (t_old_handle == nil)
t_success = false;
}
IO_handle t_new_handle;
t_new_handle = nil;
if (t_success)
{
t_new_handle = MCS_open(*t_new_filename, kMCOpenFileModeRead, False, False, 0);
if (t_new_handle == nil)
t_success = false;
}
IO_handle t_patch_handle;
t_patch_handle = nil;
if (t_success)
{
t_patch_handle = MCS_open(*t_patch_filename, kMCOpenFileModeWrite, False, False, 0);
if (t_patch_handle == nil)
t_success = false;
}
if (t_success)
{
InputStream t_new_stream, t_old_stream;
OutputStream t_patch_stream;
t_new_stream . handle = t_new_handle;
t_old_stream . handle = t_old_handle;
t_patch_stream . handle = t_patch_handle;
t_success = MCBsDiffBuild(&t_old_stream, &t_new_stream, &t_patch_stream);
}
if (t_success)
ctxt . SetTheResultToEmpty();
else
ctxt . SetTheResultToCString("patch building failed");
if (t_patch_handle != nil)
MCS_close(t_patch_handle);
if (t_new_handle != nil)
MCS_close(t_new_handle);
if (t_old_handle != nil)
MCS_close(t_old_handle);
}
void MCStack::effectrect(const MCRectangle& p_area, Boolean& r_abort)
{
// Get the list of effects.
MCEffectList *t_effects = MCcur_effects;
MCcur_effects = NULL;
// If the window isn't opened or hasn't been attached (plugin) or if we have no
// snapshot to use, this is a no-op.
if (!opened || !haswindow() || m_snapshot == nil)
{
while(t_effects != NULL)
{
MCEffectList *t_effect;
t_effect = t_effects;
t_effects = t_effects -> next;
delete t_effect;
}
return;
}
// Mark the stack as being in an effect.
state |= CS_EFFECT;
// Lock messages while the effect is happening.
Boolean t_old_lockmessages;
t_old_lockmessages = MClockmessages;
MClockmessages = True;
// Calculate the area of interest.
MCRectangle t_effect_area;
t_effect_area = curcard -> getrect();
t_effect_area . y = getscroll();
t_effect_area . height -= t_effect_area . y;
t_effect_area = MCU_intersect_rect(t_effect_area, p_area);
// IM-2013-08-21: [[ ResIndependence ]] Scale effect area to device coords
// Align snapshot rect to device pixels
// IM-2013-09-30: [[ FullscreenMode ]] Use stack transform to get device coords
MCGAffineTransform t_transform;
t_transform = getdevicetransform();
// MW-2013-10-29: [[ Bug 11330 ]] Make sure the effect area is cropped to the visible
// area.
t_effect_area = MCRectangleGetTransformedBounds(t_effect_area, getviewtransform());
t_effect_area = MCU_intersect_rect(t_effect_area, MCU_make_rect(0, 0, view_getrect() . width, view_getrect() . height));
// IM-2014-01-24: [[ HiDPI ]] scale effect region to backing surface coords
MCGFloat t_scale;
t_scale = view_getbackingscale();
MCRectangle t_device_rect, t_user_rect;
t_device_rect = MCRectangleGetScaledBounds(t_effect_area, t_scale);
t_user_rect = MCRectangleGetTransformedBounds(t_device_rect, MCGAffineTransformInvert(t_transform));
// IM-2013-08-29: [[ RefactorGraphics ]] get device height for CoreImage effects
// IM-2013-09-30: [[ FullscreenMode ]] Use view rect to get device height
uint32_t t_device_height;
t_device_height = floor(view_getrect().height * t_scale);
// Make a region of the effect area
// IM-2013-08-29: [[ ResIndependence ]] scale effect region to device coords
MCRegionRef t_effect_region;
t_effect_region = nil;
/* UNCHECKED */ MCRegionCreate(t_effect_region);
/* UNCHECKED */ MCRegionSetRect(t_effect_region, t_effect_area);
#ifndef FEATURE_PLATFORM_PLAYER
#if defined(FEATURE_QUICKTIME)
// MW-2010-07-07: Make sure QT is only loaded if we actually are doing an effect
if (t_effects != nil)
if (!MCdontuseQTeffects)
if (!MCtemplateplayer -> isQTinitted())
MCtemplateplayer -> initqt();
#endif
#endif
// Lock the screen to prevent any updates occuring until we want them.
MCRedrawLockScreen();
// By default, we have not aborted.
r_abort = False;
MCGImageRef t_initial_image;
t_initial_image = MCGImageRetain(m_snapshot);
while(t_effects != nil)
{
uint32_t t_duration;
t_duration = MCU_max(1, MCeffectrate / (t_effects -> speed - VE_VERY));
if (t_effects -> type == VE_DISSOLVE)
t_duration *= 2;
uint32_t t_delta;
t_delta = 0;
// Create surface at effect_area size.
// Render into surface based on t_effects -> image
MCGImageRef t_final_image = nil;
// If this isn't a plain effect, then we must fetch first and last images.
if (t_effects -> type != VE_PLAIN)
{
// Render the final image.
MCGContextRef t_context = nil;
// IM-2014-05-20: [[ GraphicsPerformance ]] Create opaque context for snapshot
/* UNCHECKED */ MCGContextCreate(t_device_rect.width, t_device_rect.height, false, t_context);
MCGContextTranslateCTM(t_context, -t_device_rect.x, -t_device_rect.y);
// IM-2013-10-03: [[ FullscreenMode ]] Apply device transform to context
MCGContextConcatCTM(t_context, t_transform);
// Configure the context.
MCGContextClipToRect(t_context, MCRectangleToMCGRectangle(t_user_rect));
// Render an appropriate image
switch(t_effects -> image)
{
case VE_INVERSE:
{
MCContext *t_old_context = nil;
/* UNCHECKED */ t_old_context = new MCGraphicsContext(t_context);
curcard->draw(t_old_context, t_user_rect, false);
delete t_old_context;
MCGContextSetFillRGBAColor(t_context, 1.0, 1.0, 1.0, 1.0);
MCGContextSetBlendMode(t_context, kMCGBlendModeDifference);
MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
MCGContextFill(t_context);
}
break;
case VE_BLACK:
MCGContextSetFillRGBAColor(t_context, 0.0, 0.0, 0.0, 1.0);
MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
MCGContextFill(t_context);
break;
case VE_WHITE:
MCGContextSetFillRGBAColor(t_context, 1.0, 1.0, 1.0, 1.0);
MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
MCGContextFill(t_context);
break;
case VE_GRAY:
MCGContextSetFillRGBAColor(t_context, 0.5, 0.5, 0.5, 1.0);
MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
MCGContextFill(t_context);
break;
default:
{
MCContext *t_old_context = nil;
/* UNCHECKED */ t_old_context = new MCGraphicsContext(t_context);
curcard->draw(t_old_context, t_user_rect, false);
delete t_old_context;
}
}
/* UNCHECKED */ MCGContextCopyImage(t_context, t_final_image);
MCGContextRelease(t_context);
}
MCStackEffectContext t_context;
t_context.delta = t_delta;
t_context.duration = t_duration;
t_context.effect = t_effects;
t_context.effect_area = t_device_rect;
t_context.initial_image = t_initial_image;
t_context.final_image = t_final_image;
// MW-2011-10-20: [[ Bug 9824 ]] Make sure dst point is correct.
// Initialize the destination with the start image.
view_platform_updatewindowwithcallback(t_effect_region, MCStackRenderInitial, &t_context);
// If there is a sound, then start playing it.
if (t_effects -> sound != NULL)
{
MCAudioClip *acptr;
MCNewAutoNameRef t_sound;
/* UNCHECKED */ MCNameCreate(t_effects->sound, &t_sound);
if ((acptr = (MCAudioClip *)getobjname(CT_AUDIO_CLIP, *t_sound)) == NULL)
{
IO_handle stream;
if ((stream = MCS_open(t_effects->sound, kMCOpenFileModeRead, True, False, 0)) != NULL)
{
acptr = new MCAudioClip;
acptr->setdisposable();
if (!acptr->import(t_effects->sound, stream))
{
delete acptr;
acptr = NULL;
}
MCS_close(stream);
}
}
if (acptr != NULL)
{
MCU_play_stop();
MCacptr = acptr;
MCU_play();
#ifndef FEATURE_PLATFORM_AUDIO
if (MCacptr != NULL)
MCscreen->addtimer(MCacptr, MCM_internal, PLAY_RATE);
#endif
}
if (MCscreen->wait((real8)MCsyncrate / 1000.0, False, True))
{
r_abort = True;
break;
}
}
// Initialize CoreImage of QTEffects if needed.
if (t_effects -> type != VE_PLAIN)
{
MCAutoPointer<char> t_name;
/* UNCHECKED */ MCStringConvertToCString(t_effects -> name, &t_name);
#ifdef _MAC_DESKTOP
// IM-2013-08-29: [[ ResIndependence ]] use scaled effect rect for CI effects
if (t_effects -> type == VE_UNDEFINED && MCCoreImageEffectBegin(*t_name, t_initial_image, t_final_image, t_device_rect, t_device_height, t_effects -> arguments))
t_effects -> type = VE_CIEFFECT;
else
#endif
#ifdef FEATURE_QUICKTIME_EFFECTS
// IM-2013-08-29: [[ ResIndependence ]] use scaled effect rect for QT effects
if (t_effects -> type == VE_UNDEFINED && MCQTEffectBegin(t_effects -> type, *t_name, t_effects -> direction, t_initial_image, t_final_image, t_device_rect))
t_effects -> type = VE_QTEFFECT;
#else
;
#endif
}
// Run effect
// Now perform the effect loop, but only if there is something to do.
if (t_effects -> type != VE_PLAIN || old_blendlevel != blendlevel)
{
// Calculate timing parameters.
double t_start_time;
t_start_time = 0.0;
for(;;)
{
t_context.delta = t_delta;
Boolean t_drawn = False;
view_platform_updatewindowwithcallback(t_effect_region, MCStackRenderEffect, &t_context);
// Now redraw the window with the new image.
// if (t_drawn)
{
MCscreen -> sync(getw());
}
// Update the window's blendlevel (if needed)
if (old_blendlevel != blendlevel)
{
float t_fraction = float(t_delta) / t_duration;
setopacity(uint1((old_blendlevel * 255 + (float(blendlevel) - old_blendlevel) * 255 * t_fraction) / 100));
}
// If the start time is zero, then start counting from here.
if (t_start_time == 0.0)
t_start_time = MCS_time();
// If we've reached the end of the transition, we are done.
if (t_delta == t_duration)
{
#ifdef _ANDROID_MOBILE
// MW-2011-12-12: [[ Bug 9907 ]] Make sure we let the screen sync at this point
MCscreen -> wait(0.01, False, False);
#endif
break;
}
// Get the time now.
double t_now;
t_now = MCS_time();
// Compute the new delta value.
uint32_t t_new_delta;
t_new_delta = (uint32_t)ceil((t_now - t_start_time) * 1000.0);
// If the new value is same as the old, then advance one step.
if (t_new_delta == t_delta)
t_delta = t_new_delta + 1;
else
t_delta = t_new_delta;
// If the new delta is beyond the end point, set it to the end.
if (t_delta > t_duration)
t_delta = t_duration;
// Wait until the next boundary, making sure we break for no reason
// other than abort.
if (MCscreen -> wait((t_start_time + (t_delta / 1000.0)) - t_now, False, False))
r_abort = True;
// If we aborted, we render the final step and are thus done.
if (r_abort)
t_delta = t_duration;
}
}
#ifdef _MAC_DESKTOP
if (t_effects -> type == VE_CIEFFECT)
MCCoreImageEffectEnd();
else
#endif
#ifdef FEATURE_QUICKTIME_EFFECTS
if (t_effects -> type == VE_QTEFFECT)
MCQTEffectEnd();
#endif
// Free initial surface.
MCGImageRelease(t_initial_image);
// initial surface becomes final surface.
t_initial_image = t_final_image;
t_final_image = nil;
// Move to the next effect.
MCEffectList *t_current_effect;
t_current_effect = t_effects;
t_effects = t_effects -> next;
delete t_current_effect;
}
// Make sure the pixmaps are freed and any dangling effects
// are cleaned up.
if (t_effects != NULL)
{
/* OVERHAUL - REVISIT: error cleanup needs revised */
MCGImageRelease(t_initial_image);
// MCGSurfaceRelease(t_final_image);
while(t_effects != NULL)
{
MCEffectList *t_current_effect;
t_current_effect = t_effects;
t_effects = t_effects -> next;
delete t_current_effect;
}
}
MCRegionDestroy(t_effect_region);
MCGImageRelease(m_snapshot);
m_snapshot = nil;
m_snapshot = t_initial_image;
// Unlock the screen.
MCRedrawUnlockScreen();
// Unlock messages.
MClockmessages = t_old_lockmessages;
// Turn off effect mode.
state &= ~CS_EFFECT;
// The stack's blendlevel is now the new one.
old_blendlevel = blendlevel;
// Finally, mark the affected area of the stack for a redraw.
dirtyrect(p_area);
}
IO_stat MCDispatch::loadfile(const char *inname, MCStack *&sptr)
{
IO_handle stream;
char *openpath = NULL;
char *fname = strclone(inname);
if ((stream = MCS_open(fname, IO_READ_MODE, True, False, 0)) != NULL)
if (fname[0] != PATH_SEPARATOR && fname[1] != ':')
{
char *curpath = MCS_getcurdir();
if (curpath[strlen(curpath) - 1] == '/')
curpath[strlen(curpath) - 1] = '\0';
openpath = new char[strlen(curpath) + strlen(fname) + 2];
sprintf(openpath, "%s/%s", curpath, fname);
delete curpath;
}
else
openpath = strclone(fname);
else
{
char *tmparray = new char[strlen(fname) + 1];
strcpy(tmparray, fname);
char *tname = strrchr(tmparray, PATH_SEPARATOR);
if (tname == NULL)
tname = tmparray;
else
tname++;
if ((stream = MCS_open(tname, IO_READ_MODE, True, False, 0)) != NULL)
{
char *curpath = MCS_getcurdir();
openpath = new char[strlen(curpath) + strlen(tname) + 2];
sprintf(openpath, "%s/%s", curpath, tname);
delete curpath;
}
else
{
if (!openstartup(tname, &openpath, stream)
&& !openenv(tname, "MCPATH", &openpath, stream, 0)
&& !openenv(tname, "PATH", &openpath, stream, 0))
{
char *homename;
if ((homename = MCS_getenv("HOME")) != NULL)
{
openpath = new char[strlen(homename) + strlen(tname) + 13];
if (homename[strlen(homename) - 1] == '/')
homename[strlen(homename) - 1] = '\0';
sprintf(openpath, "%s/%s", homename, tname);
if ((stream = MCS_open(openpath, IO_READ_MODE, True,
False, 0)) == NULL)
{
sprintf(openpath, "%s/stacks/%s", homename, tname);
if ((stream = MCS_open(openpath, IO_READ_MODE, True,
False, 0)) == NULL)
{
sprintf(openpath, "%s/components/%s", homename, tname);
if ((stream = MCS_open(openpath, IO_READ_MODE, True,
False, 0)) == NULL)
{
delete openpath;
openpath = NULL;
}
}
}
}
}
}
delete tmparray;
}
if (stream == NULL)
{
if (openpath != NULL)
delete openpath;
delete fname;
return IO_ERROR;
}
delete fname;
IO_stat stat = readfile(openpath, inname, stream, sptr);
delete openpath;
MCS_close(stream);
return stat;
}
bool MCVariableValue::decode(const MCString& p_value)
{
IO_handle t_stream_handle;
t_stream_handle = MCS_fakeopen(p_value);
if (t_stream_handle == NULL)
return false;
MCObjectInputStream *t_stream = nil;
t_stream = new MCObjectInputStream(t_stream_handle, p_value . getlength());
if (t_stream == NULL)
{
MCS_close(t_stream_handle);
return false;
}
IO_stat t_stat;
t_stat = IO_NORMAL;
uint8_t t_type;
t_stat = t_stream -> ReadU8(t_type);
if (t_stat == IO_NORMAL)
{
switch(t_type)
{
case kMCEncodedValueTypeUndefined:
clear();
break;
case kMCEncodedValueTypeEmpty:
assign_empty();
break;
case kMCEncodedValueTypeString:
{
uint32_t t_length;
t_stat = t_stream -> ReadU32(t_length);
if (t_stat == IO_NORMAL)
{
char *t_value;
t_value = new char[t_length];
if (t_value != NULL)
assign_buffer(t_value, t_length);
else
t_stat = IO_ERROR;
}
}
break;
case kMCEncodedValueTypeNumber:
{
double t_value;
t_stat = t_stream -> ReadFloat64(t_value);
if (t_stat == IO_NORMAL)
assign_real(t_value);
}
break;
case kMCEncodedValueTypeArray:
t_stat = loadarray(*t_stream, false);
break;
default:
t_stat = IO_ERROR;
break;
}
}
delete t_stream;
MCS_close(t_stream_handle);
set_dbg_changed(true);
return t_stat == IO_NORMAL;
}
IO_stat MCDispatch::dosavestack(MCStack *sptr, const MCString &fname)
{
if (MCModeCheckSaveStack(sptr, fname) != IO_NORMAL)
return IO_ERROR;
char *linkname;
if (fname.getlength() != 0)
linkname = fname.clone();
else
if ((linkname = strclone(sptr->getfilename())) == NULL)
{
MCresult->sets("stack does not have a filename");
return IO_ERROR;
}
if (linkname == NULL)
{
MCresult->sets("can't open stack file, bad path");
return IO_ERROR;
}
if (MCS_noperm(linkname))
{
MCresult->sets("can't open stack file, no permission");
delete linkname;
return IO_ERROR;
}
char *oldfiletype = MCfiletype;
MCfiletype = MCstackfiletype;
char *backup = new char[strlen(linkname) + 2];
strcpy(backup, linkname);
strcat(backup, "~");
MCS_unlink(backup);
if (MCS_exists(linkname, True) && !MCS_backup(linkname, backup))
{
MCresult->sets("can't open stack backup file");
MCfiletype = oldfiletype;
delete linkname;
delete backup;
return IO_ERROR;
}
IO_handle stream;
if ((stream = MCS_open(linkname, IO_WRITE_MODE, True, False, 0)) == NULL)
{
MCresult->sets("can't open stack file");
cleanup(stream, linkname, backup);
MCfiletype = oldfiletype;
return IO_ERROR;
}
MCfiletype = oldfiletype;
MCString errstring = "Error writing stack (disk full?)";
// MW-2012-03-04: [[ StackFile5500 ]] Work out what header to emit, and the size.
const char *t_header;
uint32_t t_header_size;
if (MCstackfileversion >= 5500)
t_header = newheader5500, t_header_size = 8;
else if (MCstackfileversion >= 2700)
t_header = newheader, t_header_size = 8;
else
t_header = header, t_header_size = HEADERSIZE;
if (IO_write(t_header, sizeof(char), t_header_size, stream) != IO_NORMAL
|| IO_write_uint1(CHARSET, stream) != IO_NORMAL)
{
MCresult->sets(errstring);
cleanup(stream, linkname, backup);
return IO_ERROR;
}
if (IO_write_uint1(OT_NOTHOME, stream) != IO_NORMAL
|| IO_write_string(NULL, stream) != IO_NORMAL)
{ // was stackfiles
MCresult->sets(errstring);
cleanup(stream, linkname, backup);
return IO_ERROR;
}
// MW-2012-02-22; [[ NoScrollSave ]] Adjust the rect by the current group offset.
MCgroupedobjectoffset . x = 0;
MCgroupedobjectoffset . y = 0;
MCresult -> clear();
if (sptr->save(stream, 0, false) != IO_NORMAL
|| IO_write_uint1(OT_END, stream) != IO_NORMAL)
{
if (MCresult -> isclear())
MCresult->sets(errstring);
cleanup(stream, linkname, backup);
return IO_ERROR;
}
MCS_close(stream);
uint2 oldmask = MCS_umask(0);
uint2 newmask = ~oldmask & 00777;
if (oldmask & 00400)
newmask &= ~00100;
if (oldmask & 00040)
newmask &= ~00010;
if (oldmask & 00004)
newmask &= ~00001;
MCS_umask(oldmask);
MCS_chmod(linkname, newmask);
if (sptr->getfilename() != NULL && !strequal(linkname, sptr->getfilename()))
MCS_copyresourcefork(sptr->getfilename(), linkname);
else if (sptr -> getfilename() != NULL)
MCS_copyresourcefork(backup, linkname);
sptr->setfilename(linkname);
if (backup != NULL)
{
MCS_unlink(backup);
delete backup;
}
return IO_NORMAL;
}
